diff options
Diffstat (limited to 'arch')
161 files changed, 1212 insertions, 4302 deletions
diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig index db3c5414223e..860bea828ac4 100644 --- a/arch/arm/Kconfig +++ b/arch/arm/Kconfig @@ -314,6 +314,7 @@ config ARCH_MULTIPLATFORM select CLKSRC_OF select COMMON_CLK select GENERIC_CLOCKEVENTS + select MIGHT_HAVE_PCI select MULTI_IRQ_HANDLER select SPARSE_IRQ select USE_OF diff --git a/arch/arm/Kconfig.debug b/arch/arm/Kconfig.debug index eab8ecbe69c1..4678870f8ee8 100644 --- a/arch/arm/Kconfig.debug +++ b/arch/arm/Kconfig.debug @@ -625,6 +625,7 @@ choice config DEBUG_S3C_UART0 depends on PLAT_SAMSUNG select DEBUG_EXYNOS_UART if ARCH_EXYNOS + select DEBUG_S3C24XX_UART if ARCH_S3C24XX bool "Use S3C UART 0 for low-level debug" help Say Y here if you want the debug print routines to direct @@ -637,6 +638,7 @@ choice config DEBUG_S3C_UART1 depends on PLAT_SAMSUNG select DEBUG_EXYNOS_UART if ARCH_EXYNOS + select DEBUG_S3C24XX_UART if ARCH_S3C24XX bool "Use S3C UART 1 for low-level debug" help Say Y here if you want the debug print routines to direct @@ -649,6 +651,7 @@ choice config DEBUG_S3C_UART2 depends on PLAT_SAMSUNG select DEBUG_EXYNOS_UART if ARCH_EXYNOS + select DEBUG_S3C24XX_UART if ARCH_S3C24XX bool "Use S3C UART 2 for low-level debug" help Say Y here if you want the debug print routines to direct @@ -670,6 +673,33 @@ choice The uncompressor code port configuration is now handled by CONFIG_S3C_LOWLEVEL_UART_PORT. + config DEBUG_S3C2410_UART0 + depends on ARCH_S3C24XX + select DEBUG_S3C2410_UART + bool "Use S3C2410/S3C2412 UART 0 for low-level debug" + help + Say Y here if you want the debug print routines to direct + their output to UART 0. The port must have been initialised + by the boot-loader before use. + + config DEBUG_S3C2410_UART1 + depends on ARCH_S3C24XX + select DEBUG_S3C2410_UART + bool "Use S3C2410/S3C2412 UART 1 for low-level debug" + help + Say Y here if you want the debug print routines to direct + their output to UART 1. The port must have been initialised + by the boot-loader before use. + + config DEBUG_S3C2410_UART2 + depends on ARCH_S3C24XX + select DEBUG_S3C2410_UART + bool "Use S3C2410/S3C2412 UART 2 for low-level debug" + help + Say Y here if you want the debug print routines to direct + their output to UART 2. The port must have been initialised + by the boot-loader before use. + config DEBUG_SOCFPGA_UART depends on ARCH_SOCFPGA bool "Use SOCFPGA UART for low-level debug" @@ -921,6 +951,13 @@ endchoice config DEBUG_EXYNOS_UART bool +config DEBUG_S3C2410_UART + bool + select DEBUG_S3C24XX_UART + +config DEBUG_S3C24XX_UART + bool + config DEBUG_OMAP2PLUS_UART bool depends on ARCH_OMAP2PLUS @@ -973,6 +1010,7 @@ config DEBUG_LL_INCLUDE DEBUG_IMX6SL_UART default "debug/msm.S" if DEBUG_MSM_UART default "debug/omap2plus.S" if DEBUG_OMAP2PLUS_UART + default "debug/s3c24xx.S" if DEBUG_S3C24XX_UART default "debug/sirf.S" if DEBUG_SIRFPRIMA2_UART1 || DEBUG_SIRFMARCO_UART1 default "debug/sti.S" if DEBUG_STI_UART default "debug/tegra.S" if DEBUG_TEGRA_UART @@ -1029,6 +1067,12 @@ config DEBUG_UART_PHYS default 0x40090000 if ARCH_LPC32XX default 0x40100000 if DEBUG_PXA_UART1 default 0x42000000 if ARCH_GEMINI + default 0x50000000 if DEBUG_S3C24XX_UART && (DEBUG_S3C_UART0 || \ + DEBUG_S3C2410_UART0) + default 0x50004000 if DEBUG_S3C24XX_UART && (DEBUG_S3C_UART1 || \ + DEBUG_S3C2410_UART1) + default 0x50008000 if DEBUG_S3C24XX_UART && (DEBUG_S3C_UART2 || \ + DEBUG_S3C2410_UART2) default 0x7c0003f8 if FOOTBRIDGE default 0x80070000 if DEBUG_IMX23_UART default 0x80074000 if DEBUG_IMX28_UART @@ -1058,7 +1102,7 @@ config DEBUG_UART_PHYS default 0xfffff700 if ARCH_IOP33X depends on DEBUG_LL_UART_8250 || DEBUG_LL_UART_PL01X || \ DEBUG_LL_UART_EFM32 || \ - DEBUG_UART_8250 || DEBUG_UART_PL01X + DEBUG_UART_8250 || DEBUG_UART_PL01X || DEBUG_S3C24XX_UART config DEBUG_UART_VIRT hex "Virtual base address of debug UART" @@ -1075,6 +1119,12 @@ config DEBUG_UART_VIRT default 0xf2100000 if DEBUG_PXA_UART1 default 0xf4090000 if ARCH_LPC32XX default 0xf4200000 if ARCH_GEMINI + default 0xf7000000 if DEBUG_S3C24XX_UART && (DEBUG_S3C_UART0 || \ + DEBUG_S3C2410_UART0) + default 0xf7004000 if DEBUG_S3C24XX_UART && (DEBUG_S3C_UART1 || \ + DEBUG_S3C2410_UART1) + default 0xf7008000 if DEBUG_S3C24XX_UART && (DEBUG_S3C_UART2 || \ + DEBUG_S3C2410_UART2) default 0xf7fc9000 if DEBUG_BERLIN_UART default 0xf8009000 if DEBUG_VEXPRESS_UART0_CA9 default 0xf8090000 if DEBUG_VEXPRESS_UART0_RS1 @@ -1116,7 +1166,7 @@ config DEBUG_UART_VIRT default 0xff003000 if DEBUG_U300_UART default DEBUG_UART_PHYS if !MMU depends on DEBUG_LL_UART_8250 || DEBUG_LL_UART_PL01X || \ - DEBUG_UART_8250 || DEBUG_UART_PL01X + DEBUG_UART_8250 || DEBUG_UART_PL01X || DEBUG_S3C24XX_UART config DEBUG_UART_8250_SHIFT int "Register offset shift for the 8250 debug UART" diff --git a/arch/arm/boot/compressed/head.S b/arch/arm/boot/compressed/head.S index 066b03480b63..3a8b32df6b31 100644 --- a/arch/arm/boot/compressed/head.S +++ b/arch/arm/boot/compressed/head.S @@ -60,11 +60,6 @@ add \rb, \rb, #0x00010000 @ Ser1 #endif .endm -#elif defined(CONFIG_ARCH_S3C24XX) - .macro loadsp, rb, tmp - mov \rb, #0x50000000 - add \rb, \rb, #0x4000 * CONFIG_S3C_LOWLEVEL_UART_PORT - .endm #else .macro loadsp, rb, tmp addruart \rb, \tmp diff --git a/arch/arm/boot/dts/atlas6.dtsi b/arch/arm/boot/dts/atlas6.dtsi index 9d72674049d6..317bc590a4d0 100644 --- a/arch/arm/boot/dts/atlas6.dtsi +++ b/arch/arm/boot/dts/atlas6.dtsi @@ -195,6 +195,7 @@ compatible = "sirf,prima2-tick"; reg = <0xb0020000 0x1000>; interrupts = <0>; + clocks = <&clks 11>; }; nand@b0030000 { diff --git a/arch/arm/boot/dts/prima2.dtsi b/arch/arm/boot/dts/prima2.dtsi index 1e82571d6823..7e7d8843abaf 100644 --- a/arch/arm/boot/dts/prima2.dtsi +++ b/arch/arm/boot/dts/prima2.dtsi @@ -201,6 +201,7 @@ compatible = "sirf,prima2-tick"; reg = <0xb0020000 0x1000>; interrupts = <0>; + clocks = <&clks 11>; }; nand@b0030000 { diff --git a/arch/arm/boot/dts/s3c2416-smdk2416.dts b/arch/arm/boot/dts/s3c2416-smdk2416.dts index 59594cf15998..ea92fd69529a 100644 --- a/arch/arm/boot/dts/s3c2416-smdk2416.dts +++ b/arch/arm/boot/dts/s3c2416-smdk2416.dts @@ -19,6 +19,19 @@ reg = <0x30000000 0x4000000>; }; + clocks { + compatible = "simple-bus"; + #address-cells = <1>; + #size-cells = <1>; + + xti: xti { + compatible = "fixed-clock"; + clock-frequency = <12000000>; + clock-output-names = "xti"; + #clock-cells = <0>; + }; + }; + serial@50000000 { status = "okay"; pinctrl-names = "default"; diff --git a/arch/arm/boot/dts/s3c2416.dtsi b/arch/arm/boot/dts/s3c2416.dtsi index e6555bdd81b8..955e4a4f8c31 100644 --- a/arch/arm/boot/dts/s3c2416.dtsi +++ b/arch/arm/boot/dts/s3c2416.dtsi @@ -8,6 +8,7 @@ * published by the Free Software Foundation. */ +#include <dt-bindings/clock/s3c2443.h> #include "s3c24xx.dtsi" #include "s3c2416-pinctrl.dtsi" @@ -28,26 +29,53 @@ compatible = "samsung,s3c2416-irq"; }; + clocks: clock-controller@0x4c000000 { + compatible = "samsung,s3c2416-clock"; + reg = <0x4c000000 0x40>; + #clock-cells = <1>; + }; + pinctrl@56000000 { compatible = "samsung,s3c2416-pinctrl"; }; + timer@51000000 { + clocks = <&clocks PCLK_PWM>; + clock-names = "timers"; + }; + serial@50000000 { compatible = "samsung,s3c2440-uart"; + clock-names = "uart", "clk_uart_baud2", + "clk_uart_baud3"; + clocks = <&clocks PCLK_UART0>, <&clocks PCLK_UART0>, + <&clocks SCLK_UART>; }; serial@50004000 { compatible = "samsung,s3c2440-uart"; + clock-names = "uart", "clk_uart_baud2", + "clk_uart_baud3"; + clocks = <&clocks PCLK_UART1>, <&clocks PCLK_UART1>, + <&clocks SCLK_UART>; }; serial@50008000 { compatible = "samsung,s3c2440-uart"; + clock-names = "uart", "clk_uart_baud2", + "clk_uart_baud3"; + clocks = <&clocks PCLK_UART2>, <&clocks PCLK_UART2>, + <&clocks SCLK_UART>; }; serial@5000C000 { compatible = "samsung,s3c2440-uart"; reg = <0x5000C000 0x4000>; interrupts = <1 18 24 4>, <1 18 25 4>; + clock-names = "uart", "clk_uart_baud2", + "clk_uart_baud3"; + clocks = <&clocks PCLK_UART3>, <&clocks PCLK_UART3>, + <&clocks SCLK_UART>; status = "disabled"; }; @@ -55,6 +83,10 @@ compatible = "samsung,s3c6410-sdhci"; reg = <0x4AC00000 0x100>; interrupts = <0 0 21 3>; + clock-names = "hsmmc", "mmc_busclk.0", + "mmc_busclk.2"; + clocks = <&clocks HCLK_HSMMC0>, <&clocks HCLK_HSMMC0>, + <&clocks MUX_HSMMC0>; status = "disabled"; }; @@ -62,18 +94,28 @@ compatible = "samsung,s3c6410-sdhci"; reg = <0x4A800000 0x100>; interrupts = <0 0 20 3>; + clock-names = "hsmmc", "mmc_busclk.0", + "mmc_busclk.2"; + clocks = <&clocks HCLK_HSMMC1>, <&clocks HCLK_HSMMC1>, + <&clocks MUX_HSMMC1>; status = "disabled"; }; watchdog@53000000 { interrupts = <1 9 27 3>; + clocks = <&clocks PCLK_WDT>; + clock-names = "watchdog"; }; rtc@57000000 { compatible = "samsung,s3c2416-rtc"; + clocks = <&clocks PCLK_RTC>; + clock-names = "rtc"; }; i2c@54000000 { compatible = "samsung,s3c2440-i2c"; + clocks = <&clocks PCLK_I2C0>; + clock-names = "i2c"; }; }; diff --git a/arch/arm/boot/dts/vexpress-v2m-rs1.dtsi b/arch/arm/boot/dts/vexpress-v2m-rs1.dtsi index ac870fb3fa0d..756c986995a3 100644 --- a/arch/arm/boot/dts/vexpress-v2m-rs1.dtsi +++ b/arch/arm/boot/dts/vexpress-v2m-rs1.dtsi @@ -74,8 +74,24 @@ v2m_sysreg: sysreg@010000 { compatible = "arm,vexpress-sysreg"; reg = <0x010000 0x1000>; - gpio-controller; - #gpio-cells = <2>; + + v2m_led_gpios: sys_led@08 { + compatible = "arm,vexpress-sysreg,sys_led"; + gpio-controller; + #gpio-cells = <2>; + }; + + v2m_mmc_gpios: sys_mci@48 { + compatible = "arm,vexpress-sysreg,sys_mci"; + gpio-controller; + #gpio-cells = <2>; + }; + + v2m_flash_gpios: sys_flash@4c { + compatible = "arm,vexpress-sysreg,sys_flash"; + gpio-controller; + #gpio-cells = <2>; + }; }; v2m_sysctl: sysctl@020000 { @@ -113,8 +129,8 @@ compatible = "arm,pl180", "arm,primecell"; reg = <0x050000 0x1000>; interrupts = <9 10>; - cd-gpios = <&v2m_sysreg 0 0>; - wp-gpios = <&v2m_sysreg 1 0>; + cd-gpios = <&v2m_mmc_gpios 0 0>; + wp-gpios = <&v2m_mmc_gpios 1 0>; max-frequency = <12000000>; vmmc-supply = <&v2m_fixed_3v3>; clocks = <&v2m_clk24mhz>, <&smbclk>; @@ -265,6 +281,58 @@ clock-output-names = "v2m:refclk32khz"; }; + leds { + compatible = "gpio-leds"; + + user@1 { + label = "v2m:green:user1"; + gpios = <&v2m_led_gpios 0 0>; + linux,default-trigger = "heartbeat"; + }; + + user@2 { + label = "v2m:green:user2"; + gpios = <&v2m_led_gpios 1 0>; + linux,default-trigger = "mmc0"; + }; + + user@3 { + label = "v2m:green:user3"; + gpios = <&v2m_led_gpios 2 0>; + linux,default-trigger = "cpu0"; + }; + + user@4 { + label = "v2m:green:user4"; + gpios = <&v2m_led_gpios 3 0>; + linux,default-trigger = "cpu1"; + }; + + user@5 { + label = "v2m:green:user5"; + gpios = <&v2m_led_gpios 4 0>; + linux,default-trigger = "cpu2"; + }; + + user@6 { + label = "v2m:green:user6"; + gpios = <&v2m_led_gpios 5 0>; + linux,default-trigger = "cpu3"; + }; + + user@7 { + label = "v2m:green:user7"; + gpios = <&v2m_led_gpios 6 0>; + linux,default-trigger = "cpu4"; + }; + + user@8 { + label = "v2m:green:user8"; + gpios = <&v2m_led_gpios 7 0>; + linux,default-trigger = "cpu5"; + }; + }; + mcc { compatible = "arm,vexpress,config-bus"; arm,vexpress,config-bridge = <&v2m_sysreg>; diff --git a/arch/arm/boot/dts/vexpress-v2m.dtsi b/arch/arm/boot/dts/vexpress-v2m.dtsi index f1420368355b..ba856d604fb7 100644 --- a/arch/arm/boot/dts/vexpress-v2m.dtsi +++ b/arch/arm/boot/dts/vexpress-v2m.dtsi @@ -73,8 +73,24 @@ v2m_sysreg: sysreg@00000 { compatible = "arm,vexpress-sysreg"; reg = <0x00000 0x1000>; - gpio-controller; - #gpio-cells = <2>; + + v2m_led_gpios: sys_led@08 { + compatible = "arm,vexpress-sysreg,sys_led"; + gpio-controller; + #gpio-cells = <2>; + }; + + v2m_mmc_gpios: sys_mci@48 { + compatible = "arm,vexpress-sysreg,sys_mci"; + gpio-controller; + #gpio-cells = <2>; + }; + + v2m_flash_gpios: sys_flash@4c { + compatible = "arm,vexpress-sysreg,sys_flash"; + gpio-controller; + #gpio-cells = <2>; + }; }; v2m_sysctl: sysctl@01000 { @@ -112,8 +128,8 @@ compatible = "arm,pl180", "arm,primecell"; reg = <0x05000 0x1000>; interrupts = <9 10>; - cd-gpios = <&v2m_sysreg 0 0>; - wp-gpios = <&v2m_sysreg 1 0>; + cd-gpios = <&v2m_mmc_gpios 0 0>; + wp-gpios = <&v2m_mmc_gpios 1 0>; max-frequency = <12000000>; vmmc-supply = <&v2m_fixed_3v3>; clocks = <&v2m_clk24mhz>, <&smbclk>; @@ -264,6 +280,58 @@ clock-output-names = "v2m:refclk32khz"; }; + leds { + compatible = "gpio-leds"; + + user@1 { + label = "v2m:green:user1"; + gpios = <&v2m_led_gpios 0 0>; + linux,default-trigger = "heartbeat"; + }; + + user@2 { + label = "v2m:green:user2"; + gpios = <&v2m_led_gpios 1 0>; + linux,default-trigger = "mmc0"; + }; + + user@3 { + label = "v2m:green:user3"; + gpios = <&v2m_led_gpios 2 0>; + linux,default-trigger = "cpu0"; + }; + + user@4 { + label = "v2m:green:user4"; + gpios = <&v2m_led_gpios 3 0>; + linux,default-trigger = "cpu1"; + }; + + user@5 { + label = "v2m:green:user5"; + gpios = <&v2m_led_gpios 4 0>; + linux,default-trigger = "cpu2"; + }; + + user@6 { + label = "v2m:green:user6"; + gpios = <&v2m_led_gpios 5 0>; + linux,default-trigger = "cpu3"; + }; + + user@7 { + label = "v2m:green:user7"; + gpios = <&v2m_led_gpios 6 0>; + linux,default-trigger = "cpu4"; + }; + + user@8 { + label = "v2m:green:user8"; + gpios = <&v2m_led_gpios 7 0>; + linux,default-trigger = "cpu5"; + }; + }; + mcc { compatible = "arm,vexpress,config-bus"; arm,vexpress,config-bridge = <&v2m_sysreg>; diff --git a/arch/arm/boot/dts/vexpress-v2p-ca15_a7.dts b/arch/arm/boot/dts/vexpress-v2p-ca15_a7.dts index 15f98cbcb75a..a25c262326dc 100644 --- a/arch/arm/boot/dts/vexpress-v2p-ca15_a7.dts +++ b/arch/arm/boot/dts/vexpress-v2p-ca15_a7.dts @@ -312,6 +312,7 @@ arm,vexpress-sysreg,func = <12 0>; label = "A15 Pcore"; }; + power@1 { /* Total power for the three A7 cores */ compatible = "arm,vexpress-power"; @@ -322,14 +323,14 @@ energy@0 { /* Total energy for the two A15 cores */ compatible = "arm,vexpress-energy"; - arm,vexpress-sysreg,func = <13 0>; + arm,vexpress-sysreg,func = <13 0>, <13 1>; label = "A15 Jcore"; }; energy@2 { /* Total energy for the three A7 cores */ compatible = "arm,vexpress-energy"; - arm,vexpress-sysreg,func = <13 2>; + arm,vexpress-sysreg,func = <13 2>, <13 3>; label = "A7 Jcore"; }; }; diff --git a/arch/arm/configs/realview-smp_defconfig b/arch/arm/configs/realview-smp_defconfig index abe61bf379d2..1da5d9e48224 100644 --- a/arch/arm/configs/realview-smp_defconfig +++ b/arch/arm/configs/realview-smp_defconfig @@ -76,8 +76,10 @@ CONFIG_MMC=y CONFIG_MMC_ARMMMCI=y CONFIG_NEW_LEDS=y CONFIG_LEDS_CLASS=y +CONFIG_LEDS_VERSATILE=y CONFIG_LEDS_TRIGGERS=y CONFIG_LEDS_TRIGGER_HEARTBEAT=y +CONFIG_LEDS_TRIGGER_CPU=y CONFIG_RTC_CLASS=y CONFIG_RTC_DRV_DS1307=y CONFIG_RTC_DRV_PL031=y diff --git a/arch/arm/configs/realview_defconfig b/arch/arm/configs/realview_defconfig index 7079cbe898a8..d02e9d911bb7 100644 --- a/arch/arm/configs/realview_defconfig +++ b/arch/arm/configs/realview_defconfig @@ -75,8 +75,10 @@ CONFIG_MMC=y CONFIG_MMC_ARMMMCI=y CONFIG_NEW_LEDS=y CONFIG_LEDS_CLASS=y +CONFIG_LEDS_VERSATILE=y CONFIG_LEDS_TRIGGERS=y CONFIG_LEDS_TRIGGER_HEARTBEAT=y +CONFIG_LEDS_TRIGGER_CPU=y CONFIG_RTC_CLASS=y CONFIG_RTC_DRV_DS1307=y CONFIG_RTC_DRV_PL031=y diff --git a/arch/arm/configs/versatile_defconfig b/arch/arm/configs/versatile_defconfig index 073541a50e23..d52b4ffe2012 100644 --- a/arch/arm/configs/versatile_defconfig +++ b/arch/arm/configs/versatile_defconfig @@ -61,6 +61,9 @@ CONFIG_SND_ARMAACI=m CONFIG_MMC=y CONFIG_MMC_ARMMMCI=m CONFIG_NEW_LEDS=y +CONFIG_LEDS_CLASS=y +CONFIG_LEDS_VERSATILE=y +CONFIG_LEDS_TRIGGERS=y CONFIG_LEDS_TRIGGER_HEARTBEAT=y CONFIG_LEDS_TRIGGER_CPU=y CONFIG_EXT2_FS=y diff --git a/arch/arm/include/debug/s3c24xx.S b/arch/arm/include/debug/s3c24xx.S new file mode 100644 index 000000000000..b1f54dc4888c --- /dev/null +++ b/arch/arm/include/debug/s3c24xx.S @@ -0,0 +1,46 @@ +/* arch/arm/mach-s3c2410/include/mach/debug-macro.S + * + * Debugging macro include header + * + * Copyright (C) 1994-1999 Russell King + * Copyright (C) 2005 Simtec Electronics + * + * Moved from linux/arch/arm/kernel/debug.S by Ben Dooks + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. +*/ + +#include <linux/serial_s3c.h> + +#define S3C2410_UART1_OFF (0x4000) + + .macro addruart, rp, rv, tmp + ldr \rp, = CONFIG_DEBUG_UART_PHYS + ldr \rv, = CONFIG_DEBUG_UART_VIRT + .endm + + .macro fifo_full_s3c2410 rd, rx + ldr \rd, [\rx, # S3C2410_UFSTAT] + tst \rd, #S3C2410_UFSTAT_TXFULL + .endm + + .macro fifo_level_s3c2410 rd, rx + ldr \rd, [\rx, # S3C2410_UFSTAT] + and \rd, \rd, #S3C2410_UFSTAT_TXMASK + .endm + +/* Select the correct implementation depending on the configuration. The + * S3C2440 will get selected by default, as these are the most widely + * used variants of these +*/ + +#if defined(CONFIG_DEBUG_S3C2410_UART) +#define fifo_full fifo_full_s3c2410 +#define fifo_level fifo_level_s3c2410 +#endif + +/* include the reset of the code which will do the work */ + +#include <debug/samsung.S> diff --git a/arch/arm/mach-bcm/Kconfig b/arch/arm/mach-bcm/Kconfig index 49c914cd9c7a..2113d92c668a 100644 --- a/arch/arm/mach-bcm/Kconfig +++ b/arch/arm/mach-bcm/Kconfig @@ -10,22 +10,51 @@ if ARCH_BCM menu "Broadcom SoC Selection" config ARCH_BCM_MOBILE - bool "Broadcom Mobile SoC" if ARCH_MULTI_V7 - depends on MMU + bool "Broadcom Mobile SoC Support" if ARCH_MULTI_V7 select ARCH_REQUIRE_GPIOLIB select ARM_ERRATA_754322 select ARM_ERRATA_764369 if SMP select ARM_GIC select GPIO_BCM_KONA select TICK_ONESHOT - select CACHE_L2X0 select HAVE_ARM_ARCH_TIMER select PINCTRL help This enables support for systems based on Broadcom mobile SoCs. - It currently supports the 'BCM281XX' family, which includes - BCM11130, BCM11140, BCM11351, BCM28145 and - BCM28155 variants. + +if ARCH_BCM_MOBILE + +menu "Broadcom Mobile SoC Selection" + +config ARCH_BCM_281XX + bool "Broadcom BCM281XX SoC family" + default y + help + Enable support for the the BCM281XX family, which includes + BCM11130, BCM11140, BCM11351, BCM28145 and BCM28155 + variants. + +config ARCH_BCM_21664 + bool "Broadcom BCM21664 SoC family" + default y + help + Enable support for the the BCM21664 family, which includes + BCM21663 and BCM21664 variants. + +config ARCH_BCM_MOBILE_L2_CACHE + bool "Broadcom mobile SoC level 2 cache support" + depends on (ARCH_BCM_281XX || ARCH_BCM_21664) + default y + select CACHE_L2X0 + select ARCH_BCM_MOBILE_SMC + +config ARCH_BCM_MOBILE_SMC + bool + depends on ARCH_BCM_281XX || ARCH_BCM_21664 + +endmenu + +endif config ARCH_BCM2835 bool "Broadcom BCM2835 family" if ARCH_MULTI_V6 @@ -33,10 +62,7 @@ config ARCH_BCM2835 select ARM_AMBA select ARM_ERRATA_411920 select ARM_TIMER_SP804 - select CLKDEV_LOOKUP select CLKSRC_OF - select CPU_V6 - select GENERIC_CLOCKEVENTS select PINCTRL select PINCTRL_BCM2835 help @@ -45,17 +71,12 @@ config ARCH_BCM2835 config ARCH_BCM_5301X bool "Broadcom BCM470X / BCM5301X ARM SoC" if ARCH_MULTI_V7 - depends on MMU select ARM_GIC select CACHE_L2X0 select HAVE_ARM_SCU if SMP select HAVE_ARM_TWD if SMP - select HAVE_SMP - select COMMON_CLK - select GENERIC_CLOCKEVENTS select ARM_GLOBAL_TIMER select CLKSRC_ARM_GLOBAL_TIMER_SCHED_CLOCK - select MIGHT_HAVE_PCI help Support for Broadcom BCM470X and BCM5301X SoCs with ARM CPU cores. diff --git a/arch/arm/mach-bcm/Makefile b/arch/arm/mach-bcm/Makefile index a326b28c4406..731292114975 100644 --- a/arch/arm/mach-bcm/Makefile +++ b/arch/arm/mach-bcm/Makefile @@ -10,10 +10,23 @@ # of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the # GNU General Public License for more details. -obj-$(CONFIG_ARCH_BCM_MOBILE) := board_bcm281xx.o board_bcm21664.o \ - bcm_kona_smc.o bcm_kona_smc_asm.o kona.o +# BCM281XX +obj-$(CONFIG_ARCH_BCM_281XX) += board_bcm281xx.o + +# BCM21664 +obj-$(CONFIG_ARCH_BCM_21664) += board_bcm21664.o + +# BCM281XX and BCM21664 L2 cache control +obj-$(CONFIG_ARCH_BCM_MOBILE_L2_CACHE) += kona_l2_cache.o + +# Support for secure monitor traps +obj-$(CONFIG_ARCH_BCM_MOBILE_SMC) += bcm_kona_smc.o +ifeq ($(call as-instr,.arch_extension sec,as_has_sec),as_has_sec) +CFLAGS_bcm_kona_smc.o += -Wa,-march=armv7-a+sec -DREQUIRES_SEC +endif + +# BCM2835 obj-$(CONFIG_ARCH_BCM2835) += board_bcm2835.o -plus_sec := $(call as-instr,.arch_extension sec,+sec) -AFLAGS_bcm_kona_smc_asm.o :=-Wa,-march=armv7-a$(plus_sec) +# BCM5301X obj-$(CONFIG_ARCH_BCM_5301X) += bcm_5301x.o diff --git a/arch/arm/mach-bcm/bcm_kona_smc.c b/arch/arm/mach-bcm/bcm_kona_smc.c index 5e31e918f325..a55a7ecf146a 100644 --- a/arch/arm/mach-bcm/bcm_kona_smc.c +++ b/arch/arm/mach-bcm/bcm_kona_smc.c @@ -21,11 +21,8 @@ #include "bcm_kona_smc.h" -struct secure_bridge_data { - void __iomem *bounce; /* virtual address */ - u32 __iomem buffer_addr; /* physical address */ - int initialized; -} bridge_data; +static u32 bcm_smc_buffer_phys; /* physical address */ +static void __iomem *bcm_smc_buffer; /* virtual address */ struct bcm_kona_smc_data { unsigned service_id; @@ -33,6 +30,7 @@ struct bcm_kona_smc_data { unsigned arg1; unsigned arg2; unsigned arg3; + unsigned result; }; static const struct of_device_id bcm_kona_smc_ids[] __initconst = { @@ -41,59 +39,125 @@ static const struct of_device_id bcm_kona_smc_ids[] __initconst = { {}, }; -/* Map in the bounce area */ +/* Map in the args buffer area */ int __init bcm_kona_smc_init(void) { struct device_node *node; + const __be32 *prop_val; + u64 prop_size = 0; + unsigned long buffer_size; + u32 buffer_phys; /* Read buffer addr and size from the device tree node */ node = of_find_matching_node(NULL, bcm_kona_smc_ids); if (!node) return -ENODEV; - /* Don't care about size or flags of the DT node */ - bridge_data.buffer_addr = - be32_to_cpu(*of_get_address(node, 0, NULL, NULL)); - BUG_ON(!bridge_data.buffer_addr); + prop_val = of_get_address(node, 0, &prop_size, NULL); + if (!prop_val) + return -EINVAL; - bridge_data.bounce = of_iomap(node, 0); - BUG_ON(!bridge_data.bounce); + /* We assume space for four 32-bit arguments */ + if (prop_size < 4 * sizeof(u32) || prop_size > (u64)ULONG_MAX) + return -EINVAL; + buffer_size = (unsigned long)prop_size; - bridge_data.initialized = 1; + buffer_phys = be32_to_cpup(prop_val); + if (!buffer_phys) + return -EINVAL; + + bcm_smc_buffer = ioremap(buffer_phys, buffer_size); + if (!bcm_smc_buffer) + return -ENOMEM; + bcm_smc_buffer_phys = buffer_phys; pr_info("Kona Secure API initialized\n"); return 0; } +/* + * int bcm_kona_do_smc(u32 service_id, u32 buffer_addr) + * + * Only core 0 can run the secure monitor code. If an "smc" request + * is initiated on a different core it must be redirected to core 0 + * for execution. We rely on the caller to handle this. + * + * Each "smc" request supplies a service id and the address of a + * buffer containing parameters related to the service to be + * performed. A flags value defines the behavior of the level 2 + * cache and interrupt handling while the secure monitor executes. + * + * Parameters to the "smc" request are passed in r4-r6 as follows: + * r4 service id + * r5 flags (SEC_ROM_*) + * r6 physical address of buffer with other parameters + * + * Execution of an "smc" request produces two distinct results. + * + * First, the secure monitor call itself (regardless of the specific + * service request) can succeed, or can produce an error. When an + * "smc" request completes this value is found in r12; it should + * always be SEC_EXIT_NORMAL. + * + * In addition, the particular service performed produces a result. + * The values that should be expected depend on the service. We + * therefore return this value to the caller, so it can handle the + * request result appropriately. This result value is found in r0 + * when the "smc" request completes. + */ +static int bcm_kona_do_smc(u32 service_id, u32 buffer_phys) +{ + register u32 ip asm("ip"); /* Also called r12 */ + register u32 r0 asm("r0"); + register u32 r4 asm("r4"); + register u32 r5 asm("r5"); + register u32 r6 asm("r6"); + + r4 = service_id; + r5 = 0x3; /* Keep IRQ and FIQ off in SM */ + r6 = buffer_phys; + + asm volatile ( + /* Make sure we got the registers we want */ + __asmeq("%0", "ip") + __asmeq("%1", "r0") + __asmeq("%2", "r4") + __asmeq("%3", "r5") + __asmeq("%4", "r6") +#ifdef REQUIRES_SEC + ".arch_extension sec\n" +#endif + " smc #0\n" + : "=r" (ip), "=r" (r0) + : "r" (r4), "r" (r5), "r" (r6) + : "r1", "r2", "r3", "r7", "lr"); + + BUG_ON(ip != SEC_EXIT_NORMAL); + + return r0; +} + /* __bcm_kona_smc() should only run on CPU 0, with pre-emption disabled */ static void __bcm_kona_smc(void *info) { struct bcm_kona_smc_data *data = info; - u32 *args = bridge_data.bounce; - int rc = 0; + u32 *args = bcm_smc_buffer; - /* Must run on CPU 0 */ BUG_ON(smp_processor_id() != 0); + BUG_ON(!args); - /* Check map in the bounce area */ - BUG_ON(!bridge_data.initialized); - - /* Copy one 32 bit word into the bounce area */ - args[0] = data->arg0; - args[1] = data->arg1; - args[2] = data->arg2; - args[3] = data->arg3; + /* Copy the four 32 bit argument values into the bounce area */ + writel_relaxed(data->arg0, args++); + writel_relaxed(data->arg1, args++); + writel_relaxed(data->arg2, args++); + writel(data->arg3, args); /* Flush caches for input data passed to Secure Monitor */ - if (data->service_id != SSAPI_BRCM_START_VC_CORE) - flush_cache_all(); - - /* Trap into Secure Monitor */ - rc = bcm_kona_smc_asm(data->service_id, bridge_data.buffer_addr); + flush_cache_all(); - if (rc != SEC_ROM_RET_OK) - pr_err("Secure Monitor call failed (0x%x)!\n", rc); + /* Trap into Secure Monitor and record the request result */ + data->result = bcm_kona_do_smc(data->service_id, bcm_smc_buffer_phys); } unsigned bcm_kona_smc(unsigned service_id, unsigned arg0, unsigned arg1, @@ -106,17 +170,13 @@ unsigned bcm_kona_smc(unsigned service_id, unsigned arg0, unsigned arg1, data.arg1 = arg1; data.arg2 = arg2; data.arg3 = arg3; + data.result = 0; /* * Due to a limitation of the secure monitor, we must use the SMP * infrastructure to forward all secure monitor calls to Core 0. */ - if (get_cpu() != 0) - smp_call_function_single(0, __bcm_kona_smc, (void *)&data, 1); - else - __bcm_kona_smc(&data); + smp_call_function_single(0, __bcm_kona_smc, &data, 1); - put_cpu(); - - return 0; + return data.result; } diff --git a/arch/arm/mach-bcm/bcm_kona_smc.h b/arch/arm/mach-bcm/bcm_kona_smc.h index d098a7e76744..2e29ec67e414 100644 --- a/arch/arm/mach-bcm/bcm_kona_smc.h +++ b/arch/arm/mach-bcm/bcm_kona_smc.h @@ -15,55 +15,12 @@ #define BCM_KONA_SMC_H #include <linux/types.h> -#define FLAGS (SEC_ROM_ICACHE_ENABLE_MASK | SEC_ROM_DCACHE_ENABLE_MASK | \ - SEC_ROM_IRQ_ENABLE_MASK | SEC_ROM_FIQ_ENABLE_MASK) -/*! - * Definitions for IRQ & FIQ Mask for ARM - */ - -#define FIQ_IRQ_MASK 0xC0 -#define FIQ_MASK 0x40 -#define IRQ_MASK 0x80 - -/*! - * Secure Mode FLAGs - */ - -/* When set, enables ICache within the secure mode */ -#define SEC_ROM_ICACHE_ENABLE_MASK 0x00000001 - -/* When set, enables DCache within the secure mode */ -#define SEC_ROM_DCACHE_ENABLE_MASK 0x00000002 - -/* When set, enables IRQ within the secure mode */ -#define SEC_ROM_IRQ_ENABLE_MASK 0x00000004 - -/* When set, enables FIQ within the secure mode */ -#define SEC_ROM_FIQ_ENABLE_MASK 0x00000008 - -/* When set, enables Unified L2 cache within the secure mode */ -#define SEC_ROM_UL2_CACHE_ENABLE_MASK 0x00000010 - -/* Broadcom Secure Service API Service IDs */ -#define SSAPI_DORMANT_ENTRY_SERV 0x01000000 -#define SSAPI_PUBLIC_OTP_SERV 0x01000001 -#define SSAPI_ENABLE_L2_CACHE 0x01000002 -#define SSAPI_DISABLE_L2_CACHE 0x01000003 -#define SSAPI_WRITE_SCU_STATUS 0x01000004 -#define SSAPI_WRITE_PWR_GATE 0x01000005 - -/* Broadcom Secure Service API Return Codes */ +/* Broadcom Secure Service API service IDs, return codes, and exit codes */ +#define SSAPI_ENABLE_L2_CACHE 0x01000002 #define SEC_ROM_RET_OK 0x00000001 -#define SEC_ROM_RET_FAIL 0x00000009 - -#define SSAPI_RET_FROM_INT_SERV 0x4 #define SEC_EXIT_NORMAL 0x1 -#define SSAPI_ROW_AES 0x0E000006 -#define SSAPI_BRCM_START_VC_CORE 0x0E000008 - -#ifndef __ASSEMBLY__ extern int __init bcm_kona_smc_init(void); extern unsigned bcm_kona_smc(unsigned service_id, @@ -72,9 +29,4 @@ extern unsigned bcm_kona_smc(unsigned service_id, unsigned arg2, unsigned arg3); -extern int bcm_kona_smc_asm(u32 service_id, - u32 buffer_addr); - -#endif /* __ASSEMBLY__ */ - #endif /* BCM_KONA_SMC_H */ diff --git a/arch/arm/mach-bcm/bcm_kona_smc_asm.S b/arch/arm/mach-bcm/bcm_kona_smc_asm.S deleted file mode 100644 index a1608480d60d..000000000000 --- a/arch/arm/mach-bcm/bcm_kona_smc_asm.S +++ /dev/null @@ -1,41 +0,0 @@ -/* - * Copyright (C) 2013 Broadcom Corporation - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License as - * published by the Free Software Foundation version 2. - * - * This program is distributed "as is" WITHOUT ANY WARRANTY of any - * kind, whether express or implied; without even the implied warranty - * of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - */ - -#include <linux/linkage.h> -#include "bcm_kona_smc.h" - -/* - * int bcm_kona_smc_asm(u32 service_id, u32 buffer_addr) - */ - -ENTRY(bcm_kona_smc_asm) - stmfd sp!, {r4-r12, lr} - mov r4, r0 @ service_id - mov r5, #3 @ Keep IRQ and FIQ off in SM - /* - * Since interrupts are disabled in the open mode, we must keep - * interrupts disabled in secure mode by setting R5=0x3. If interrupts - * are enabled in open mode, we can set R5=0x0 to allow interrupts in - * secure mode. If we did this, the secure monitor would return back - * control to the open mode to handle the interrupt prior to completing - * the secure service. If this happened, R12 would not be - * SEC_EXIT_NORMAL and we would need to call SMC again after resetting - * R5 (it gets clobbered by the secure monitor) and setting R4 to - * SSAPI_RET_FROM_INT_SERV to indicate that we want the secure monitor - * to finish up the previous uncompleted secure service. - */ - mov r6, r1 @ buffer_addr - smc #0 - /* Check r12 for SEC_EXIT_NORMAL here if interrupts are enabled */ - ldmfd sp!, {r4-r12, pc} -ENDPROC(bcm_kona_smc_asm) diff --git a/arch/arm/mach-bcm/board_bcm21664.c b/arch/arm/mach-bcm/board_bcm21664.c index acc1573fd005..f0521cc0640d 100644 --- a/arch/arm/mach-bcm/board_bcm21664.c +++ b/arch/arm/mach-bcm/board_bcm21664.c @@ -11,14 +11,13 @@ * GNU General Public License for more details. */ -#include <linux/clocksource.h> #include <linux/of_address.h> #include <linux/of_platform.h> +#include <linux/io.h> #include <asm/mach/arch.h> -#include "bcm_kona_smc.h" -#include "kona.h" +#include "kona_l2_cache.h" #define RSTMGR_DT_STRING "brcm,bcm21664-resetmgr" diff --git a/arch/arm/mach-bcm/board_bcm281xx.c b/arch/arm/mach-bcm/board_bcm281xx.c index 6be54c10f8cb..1ac59fc0cb15 100644 --- a/arch/arm/mach-bcm/board_bcm281xx.c +++ b/arch/arm/mach-bcm/board_bcm281xx.c @@ -17,7 +17,7 @@ #include <asm/mach/arch.h> -#include "kona.h" +#include "kona_l2_cache.h" #define SECWDOG_OFFSET 0x00000000 #define SECWDOG_RESERVED_MASK 0xe2000000 diff --git a/arch/arm/mach-bcm/kona.c b/arch/arm/mach-bcm/kona_l2_cache.c index 768bc2837bf5..b31970377c20 100644 --- a/arch/arm/mach-bcm/kona.c +++ b/arch/arm/mach-bcm/kona_l2_cache.c @@ -11,19 +11,18 @@ * GNU General Public License for more details. */ -#include <linux/of_platform.h> + +#include <linux/init.h> +#include <linux/printk.h> #include <asm/hardware/cache-l2x0.h> #include "bcm_kona_smc.h" -#include "kona.h" void __init kona_l2_cache_init(void) { + unsigned int result; int ret; - if (!IS_ENABLED(CONFIG_CACHE_L2X0)) - return; - ret = bcm_kona_smc_init(); if (ret) { pr_info("Secure API not available (%d). Skipping L2 init.\n", @@ -31,7 +30,12 @@ void __init kona_l2_cache_init(void) return; } - bcm_kona_smc(SSAPI_ENABLE_L2_CACHE, 0, 0, 0, 0); + result = bcm_kona_smc(SSAPI_ENABLE_L2_CACHE, 0, 0, 0, 0); + if (result != SEC_ROM_RET_OK) { + pr_err("Secure Monitor call failed (%u)! Skipping L2 init.\n", + result); + return; + } /* * The aux_val and aux_mask have no effect since L2 cache is already diff --git a/arch/arm/mach-bcm/kona.h b/arch/arm/mach-bcm/kona_l2_cache.h index 3a7a017c29cd..46f84a95ab1c 100644 --- a/arch/arm/mach-bcm/kona.h +++ b/arch/arm/mach-bcm/kona_l2_cache.h @@ -11,4 +11,8 @@ * GNU General Public License for more details. */ -void __init kona_l2_cache_init(void); +#ifdef CONFIG_ARCH_BCM_MOBILE_L2_CACHE +void kona_l2_cache_init(void); +#else +#define kona_l2_cache_init() ((void)0) +#endif diff --git a/arch/arm/mach-cns3xxx/Kconfig b/arch/arm/mach-cns3xxx/Kconfig index dce8decd5d46..66838f42037f 100644 --- a/arch/arm/mach-cns3xxx/Kconfig +++ b/arch/arm/mach-cns3xxx/Kconfig @@ -1,7 +1,6 @@ config ARCH_CNS3XXX bool "Cavium Networks CNS3XXX family" if ARCH_MULTI_V6 select ARM_GIC - select MIGHT_HAVE_PCI select PCI_DOMAINS if PCI help Support for Cavium Networks CNS3XXX platform. diff --git a/arch/arm/mach-exynos/Makefile b/arch/arm/mach-exynos/Makefile index a656dbe3b78c..f6dcc256db56 100644 --- a/arch/arm/mach-exynos/Makefile +++ b/arch/arm/mach-exynos/Makefile @@ -12,20 +12,15 @@ obj- := # Core -obj-$(CONFIG_ARCH_EXYNOS) += exynos.o +obj-$(CONFIG_ARCH_EXYNOS) += exynos.o pmu.o exynos-smc.o firmware.o obj-$(CONFIG_PM_SLEEP) += pm.o sleep.o obj-$(CONFIG_PM_GENERIC_DOMAINS) += pm_domains.o obj-$(CONFIG_CPU_IDLE) += cpuidle.o -obj-$(CONFIG_ARCH_EXYNOS) += pmu.o - obj-$(CONFIG_SMP) += platsmp.o headsmp.o obj-$(CONFIG_HOTPLUG_CPU) += hotplug.o -obj-$(CONFIG_ARCH_EXYNOS) += exynos-smc.o -obj-$(CONFIG_ARCH_EXYNOS) += firmware.o - plus_sec := $(call as-instr,.arch_extension sec,+sec) AFLAGS_exynos-smc.o :=-Wa,-march=armv7-a$(plus_sec) diff --git a/arch/arm/mach-exynos/common.h b/arch/arm/mach-exynos/common.h index 9ef3f83efaff..c1a2f2207af0 100644 --- a/arch/arm/mach-exynos/common.h +++ b/arch/arm/mach-exynos/common.h @@ -15,6 +15,75 @@ #include <linux/reboot.h> #include <linux/of.h> +#define EXYNOS4210_CPU_ID 0x43210000 +#define EXYNOS4212_CPU_ID 0x43220000 +#define EXYNOS4412_CPU_ID 0xE4412200 +#define EXYNOS4_CPU_MASK 0xFFFE0000 + +#define EXYNOS5250_SOC_ID 0x43520000 +#define EXYNOS5420_SOC_ID 0xE5420000 +#define EXYNOS5440_SOC_ID 0xE5440000 +#define EXYNOS5_SOC_MASK 0xFFFFF000 + +extern unsigned long samsung_cpu_id; + +#define IS_SAMSUNG_CPU(name, id, mask) \ +static inline int is_samsung_##name(void) \ +{ \ + return ((samsung_cpu_id & mask) == (id & mask)); \ +} + +IS_SAMSUNG_CPU(exynos4210, EXYNOS4210_CPU_ID, EXYNOS4_CPU_MASK) +IS_SAMSUNG_CPU(exynos4212, EXYNOS4212_CPU_ID, EXYNOS4_CPU_MASK) +IS_SAMSUNG_CPU(exynos4412, EXYNOS4412_CPU_ID, EXYNOS4_CPU_MASK) +IS_SAMSUNG_CPU(exynos5250, EXYNOS5250_SOC_ID, EXYNOS5_SOC_MASK) +IS_SAMSUNG_CPU(exynos5420, EXYNOS5420_SOC_ID, EXYNOS5_SOC_MASK) +IS_SAMSUNG_CPU(exynos5440, EXYNOS5440_SOC_ID, EXYNOS5_SOC_MASK) + +#if defined(CONFIG_CPU_EXYNOS4210) +# define soc_is_exynos4210() is_samsung_exynos4210() +#else +# define soc_is_exynos4210() 0 +#endif + +#if defined(CONFIG_SOC_EXYNOS4212) +# define soc_is_exynos4212() is_samsung_exynos4212() +#else +# define soc_is_exynos4212() 0 +#endif + +#if defined(CONFIG_SOC_EXYNOS4412) +# define soc_is_exynos4412() is_samsung_exynos4412() +#else +# define soc_is_exynos4412() 0 +#endif + +#define EXYNOS4210_REV_0 (0x0) +#define EXYNOS4210_REV_1_0 (0x10) +#define EXYNOS4210_REV_1_1 (0x11) + +#if defined(CONFIG_SOC_EXYNOS5250) +# define soc_is_exynos5250() is_samsung_exynos5250() +#else +# define soc_is_exynos5250() 0 +#endif + +#if defined(CONFIG_SOC_EXYNOS5420) +# define soc_is_exynos5420() is_samsung_exynos5420() +#else +# define soc_is_exynos5420() 0 +#endif + +#if defined(CONFIG_SOC_EXYNOS5440) +# define soc_is_exynos5440() is_samsung_exynos5440() +#else +# define soc_is_exynos5440() 0 +#endif + +#define soc_is_exynos4() (soc_is_exynos4210() || soc_is_exynos4212() || \ + soc_is_exynos4412()) +#define soc_is_exynos5() (soc_is_exynos5250() || soc_is_exynos5420()) + void mct_init(void __iomem *base, int irq_g0, int irq_l0, int irq_l1); struct map_desc; @@ -63,4 +132,7 @@ struct exynos_pmu_conf { extern void exynos_sys_powerdown_conf(enum sys_powerdown mode); +extern void s5p_init_cpu(void __iomem *cpuid_addr); +extern unsigned int samsung_rev(void); + #endif /* __ARCH_ARM_MACH_EXYNOS_COMMON_H */ diff --git a/arch/arm/mach-exynos/cpuidle.c b/arch/arm/mach-exynos/cpuidle.c index c57cae0e8779..3dd385ebf195 100644 --- a/arch/arm/mach-exynos/cpuidle.c +++ b/arch/arm/mach-exynos/cpuidle.c @@ -24,7 +24,6 @@ #include <asm/unified.h> #include <asm/cpuidle.h> -#include <plat/cpu.h> #include <plat/pm.h> #include <mach/map.h> diff --git a/arch/arm/mach-exynos/exynos.c b/arch/arm/mach-exynos/exynos.c index b32a907d021d..59aab756702e 100644 --- a/arch/arm/mach-exynos/exynos.c +++ b/arch/arm/mach-exynos/exynos.c @@ -26,8 +26,6 @@ #include <asm/mach/map.h> #include <asm/memory.h> -#include <plat/cpu.h> - #include "common.h" #include "mfc.h" #include "regs-pmu.h" @@ -308,17 +306,6 @@ void __init exynos_init_io(void) exynos_map_io(); } -struct bus_type exynos_subsys = { - .name = "exynos-core", - .dev_name = "exynos-core", -}; - -static int __init exynos_core_init(void) -{ - return subsys_system_register(&exynos_subsys, NULL); -} -core_initcall(exynos_core_init); - static int __init exynos4_l2x0_cache_init(void) { int ret; diff --git a/arch/arm/mach-exynos/firmware.c b/arch/arm/mach-exynos/firmware.c index aa01c4222b40..f6cb510aee85 100644 --- a/arch/arm/mach-exynos/firmware.c +++ b/arch/arm/mach-exynos/firmware.c @@ -18,8 +18,7 @@ #include <mach/map.h> -#include <plat/cpu.h> - +#include "common.h" #include "smc.h" static int exynos_do_idle(void) diff --git a/arch/arm/mach-exynos/hotplug.c b/arch/arm/mach-exynos/hotplug.c index 5eead530c6f8..3cab3f506689 100644 --- a/arch/arm/mach-exynos/hotplug.c +++ b/arch/arm/mach-exynos/hotplug.c @@ -19,61 +19,9 @@ #include <asm/cp15.h> #include <asm/smp_plat.h> -#include <plat/cpu.h> - #include "common.h" #include "regs-pmu.h" -static inline void cpu_enter_lowpower_a9(void) -{ - unsigned int v; - - asm volatile( - " mcr p15, 0, %1, c7, c5, 0\n" - " mcr p15, 0, %1, c7, c10, 4\n" - /* - * Turn off coherency - */ - " mrc p15, 0, %0, c1, c0, 1\n" - " bic %0, %0, %3\n" - " mcr p15, 0, %0, c1, c0, 1\n" - " mrc p15, 0, %0, c1, c0, 0\n" - " bic %0, %0, %2\n" - " mcr p15, 0, %0, c1, c0, 0\n" - : "=&r" (v) - : "r" (0), "Ir" (CR_C), "Ir" (0x40) - : "cc"); -} - -static inline void cpu_enter_lowpower_a15(void) -{ - unsigned int v; - - asm volatile( - " mrc p15, 0, %0, c1, c0, 0\n" - " bic %0, %0, %1\n" - " mcr p15, 0, %0, c1, c0, 0\n" - : "=&r" (v) - : "Ir" (CR_C) - : "cc"); - - flush_cache_louis(); - - asm volatile( - /* - * Turn off coherency - */ - " mrc p15, 0, %0, c1, c0, 1\n" - " bic %0, %0, %1\n" - " mcr p15, 0, %0, c1, c0, 1\n" - : "=&r" (v) - : "Ir" (0x40) - : "cc"); - - isb(); - dsb(); -} - static inline void cpu_leave_lowpower(void) { unsigned int v; @@ -132,19 +80,8 @@ static inline void platform_do_lowpower(unsigned int cpu, int *spurious) void __ref exynos_cpu_die(unsigned int cpu) { int spurious = 0; - int primary_part = 0; - /* - * we're ready for shutdown now, so do it. - * Exynos4 is A9 based while Exynos5 is A15; check the CPU part - * number by reading the Main ID register and then perform the - * appropriate sequence for entering low power. - */ - asm("mrc p15, 0, %0, c0, c0, 0" : "=r"(primary_part) : : "cc"); - if ((primary_part & 0xfff0) == 0xc0f0) - cpu_enter_lowpower_a15(); - else - cpu_enter_lowpower_a9(); + v7_exit_coherency_flush(louis); platform_do_lowpower(cpu, &spurious); diff --git a/arch/arm/mach-exynos/platsmp.c b/arch/arm/mach-exynos/platsmp.c index 03e5e9f94705..c28cdb1c82cd 100644 --- a/arch/arm/mach-exynos/platsmp.c +++ b/arch/arm/mach-exynos/platsmp.c @@ -26,8 +26,6 @@ #include <asm/smp_scu.h> #include <asm/firmware.h> -#include <plat/cpu.h> - #include "common.h" #include "regs-pmu.h" diff --git a/arch/arm/mach-exynos/pm.c b/arch/arm/mach-exynos/pm.c index 15af0ceb0a66..ca672e24b5cd 100644 --- a/arch/arm/mach-exynos/pm.c +++ b/arch/arm/mach-exynos/pm.c @@ -26,7 +26,6 @@ #include <asm/smp_scu.h> #include <asm/suspend.h> -#include <plat/cpu.h> #include <plat/pm-common.h> #include <plat/pll.h> #include <plat/regs-srom.h> diff --git a/arch/arm/mach-exynos/pmu.c b/arch/arm/mach-exynos/pmu.c index 05c7ce15322a..fb0deda3b3a4 100644 --- a/arch/arm/mach-exynos/pmu.c +++ b/arch/arm/mach-exynos/pmu.c @@ -13,8 +13,6 @@ #include <linux/kernel.h> #include <linux/bug.h> -#include <plat/cpu.h> - #include "common.h" #include "regs-pmu.h" diff --git a/arch/arm/mach-imx/Kconfig b/arch/arm/mach-imx/Kconfig index 5740296dc429..50bb546b893a 100644 --- a/arch/arm/mach-imx/Kconfig +++ b/arch/arm/mach-imx/Kconfig @@ -796,7 +796,6 @@ config SOC_IMX6Q select ARM_ERRATA_764369 if SMP select HAVE_ARM_SCU if SMP select HAVE_ARM_TWD if SMP - select MIGHT_HAVE_PCI select PCI_DOMAINS if PCI select PINCTRL_IMX6Q select SOC_IMX6 diff --git a/arch/arm/mach-mvebu/Kconfig b/arch/arm/mach-mvebu/Kconfig index 3f73eecbcfb0..2052a90d9981 100644 --- a/arch/arm/mach-mvebu/Kconfig +++ b/arch/arm/mach-mvebu/Kconfig @@ -3,15 +3,12 @@ config ARCH_MVEBU select ARCH_SUPPORTS_BIG_ENDIAN select CLKSRC_MMIO select GENERIC_IRQ_CHIP - select IRQ_DOMAIN select PINCTRL select PLAT_ORION select MVEBU_MBUS select ZONE_DMA if ARM_LPAE select ARCH_REQUIRE_GPIOLIB - select MIGHT_HAVE_PCI select PCI_QUIRKS if PCI - select OF_ADDRESS_PCI if ARCH_MVEBU @@ -38,7 +35,6 @@ config MACH_ARMADA_375 select ARM_ERRATA_753970 select ARM_GIC select ARMADA_375_CLK - select CPU_V7 select MACH_MVEBU_V7 select PINCTRL_ARMADA_375 help @@ -51,7 +47,6 @@ config MACH_ARMADA_38X select ARM_ERRATA_753970 select ARM_GIC select ARMADA_38X_CLK - select CPU_V7 select MACH_MVEBU_V7 select PINCTRL_ARMADA_38X help @@ -86,13 +81,11 @@ config MACH_KIRKWOOD select ARCH_REQUIRE_GPIOLIB select CPU_FEROCEON select KIRKWOOD_CLK - select OF_IRQ select ORION_IRQCHIP select ORION_TIMER select PCI select PCI_QUIRKS select PINCTRL_KIRKWOOD - select USE_OF help Say 'Y' here if you want your kernel to support boards based on the Marvell Kirkwood device tree. diff --git a/arch/arm/mach-omap2/board-flash.c b/arch/arm/mach-omap2/board-flash.c index b6885e42c0a0..e87f2a83d6bf 100644 --- a/arch/arm/mach-omap2/board-flash.c +++ b/arch/arm/mach-omap2/board-flash.c @@ -160,13 +160,13 @@ static u8 get_gpmc0_type(void) if (!fpga_map_addr) return -ENOMEM; - if (!(__raw_readw(fpga_map_addr + REG_FPGA_REV))) + if (!(readw_relaxed(fpga_map_addr + REG_FPGA_REV))) /* we dont have an DEBUG FPGA??? */ /* Depend on #defines!! default to strata boot return param */ goto unmap; /* S8-DIP-OFF = 1, S8-DIP-ON = 0 */ - cs = __raw_readw(fpga_map_addr + REG_FPGA_DIP_SWITCH_INPUT2) & 0xf; + cs = readw_relaxed(fpga_map_addr + REG_FPGA_DIP_SWITCH_INPUT2) & 0xf; /* ES2.0 SDP's onwards 4 dip switches are provided for CS */ if (omap_rev() >= OMAP3430_REV_ES1_0) diff --git a/arch/arm/mach-omap2/clkt2xxx_dpllcore.c b/arch/arm/mach-omap2/clkt2xxx_dpllcore.c index 3ff32543493c..59cf310bc1e9 100644 --- a/arch/arm/mach-omap2/clkt2xxx_dpllcore.c +++ b/arch/arm/mach-omap2/clkt2xxx_dpllcore.c @@ -138,7 +138,7 @@ int omap2_reprogram_dpllcore(struct clk_hw *hw, unsigned long rate, if (!dd) return -EINVAL; - tmpset.cm_clksel1_pll = __raw_readl(dd->mult_div1_reg); + tmpset.cm_clksel1_pll = readl_relaxed(dd->mult_div1_reg); tmpset.cm_clksel1_pll &= ~(dd->mult_mask | dd->div1_mask); div = ((curr_prcm_set->xtal_speed / 1000000) - 1); diff --git a/arch/arm/mach-omap2/clkt2xxx_osc.c b/arch/arm/mach-omap2/clkt2xxx_osc.c index 19f54d433490..0717dff1bc04 100644 --- a/arch/arm/mach-omap2/clkt2xxx_osc.c +++ b/arch/arm/mach-omap2/clkt2xxx_osc.c @@ -39,9 +39,9 @@ int omap2_enable_osc_ck(struct clk_hw *clk) { u32 pcc; - pcc = __raw_readl(prcm_clksrc_ctrl); + pcc = readl_relaxed(prcm_clksrc_ctrl); - __raw_writel(pcc & ~OMAP_AUTOEXTCLKMODE_MASK, prcm_clksrc_ctrl); + writel_relaxed(pcc & ~OMAP_AUTOEXTCLKMODE_MASK, prcm_clksrc_ctrl); return 0; } @@ -57,9 +57,9 @@ void omap2_disable_osc_ck(struct clk_hw *clk) { u32 pcc; - pcc = __raw_readl(prcm_clksrc_ctrl); + pcc = readl_relaxed(prcm_clksrc_ctrl); - __raw_writel(pcc | OMAP_AUTOEXTCLKMODE_MASK, prcm_clksrc_ctrl); + writel_relaxed(pcc | OMAP_AUTOEXTCLKMODE_MASK, prcm_clksrc_ctrl); } unsigned long omap2_osc_clk_recalc(struct clk_hw *clk, diff --git a/arch/arm/mach-omap2/clkt2xxx_sys.c b/arch/arm/mach-omap2/clkt2xxx_sys.c index f467d072cd02..58dd3a9b726c 100644 --- a/arch/arm/mach-omap2/clkt2xxx_sys.c +++ b/arch/arm/mach-omap2/clkt2xxx_sys.c @@ -33,7 +33,7 @@ u32 omap2xxx_get_sysclkdiv(void) { u32 div; - div = __raw_readl(prcm_clksrc_ctrl); + div = readl_relaxed(prcm_clksrc_ctrl); div &= OMAP_SYSCLKDIV_MASK; div >>= OMAP_SYSCLKDIV_SHIFT; diff --git a/arch/arm/mach-omap2/clockdomain.h b/arch/arm/mach-omap2/clockdomain.h index f17f00697cc0..82c37b1becc4 100644 --- a/arch/arm/mach-omap2/clockdomain.h +++ b/arch/arm/mach-omap2/clockdomain.h @@ -18,7 +18,6 @@ #include "powerdomain.h" #include "clock.h" -#include "omap_hwmod.h" /* * Clockdomain flags @@ -98,6 +97,8 @@ struct clkdm_dep { /* Possible flags for struct clockdomain._flags */ #define _CLKDM_FLAG_HWSUP_ENABLED BIT(0) +struct omap_hwmod; + /** * struct clockdomain - OMAP clockdomain * @name: clockdomain name diff --git a/arch/arm/mach-omap2/cm2xxx.c b/arch/arm/mach-omap2/cm2xxx.c index ce25abbcffae..8be6ea50c092 100644 --- a/arch/arm/mach-omap2/cm2xxx.c +++ b/arch/arm/mach-omap2/cm2xxx.c @@ -18,9 +18,6 @@ #include <linux/err.h> #include <linux/io.h> -#include "soc.h" -#include "iomap.h" -#include "common.h" #include "prm2xxx.h" #include "cm.h" #include "cm2xxx.h" @@ -390,7 +387,7 @@ void omap2xxx_cm_set_mod_dividers(u32 mpu, u32 dsp, u32 gfx, u32 core, u32 mdm) tmp = omap2_cm_read_mod_reg(CORE_MOD, CM_CLKSEL1) & OMAP24XX_CLKSEL_DSS2_MASK; omap2_cm_write_mod_reg(core | tmp, CORE_MOD, CM_CLKSEL1); - if (cpu_is_omap2430()) + if (mdm) omap2_cm_write_mod_reg(mdm, OMAP2430_MDM_MOD, CM_CLKSEL); } @@ -405,19 +402,11 @@ static struct cm_ll_data omap2xxx_cm_ll_data = { int __init omap2xxx_cm_init(void) { - if (!cpu_is_omap24xx()) - return 0; - return cm_register(&omap2xxx_cm_ll_data); } static void __exit omap2xxx_cm_exit(void) { - if (!cpu_is_omap24xx()) - return; - - /* Should never happen */ - WARN(cm_unregister(&omap2xxx_cm_ll_data), - "%s: cm_ll_data function pointer mismatch\n", __func__); + cm_unregister(&omap2xxx_cm_ll_data); } __exitcall(omap2xxx_cm_exit); diff --git a/arch/arm/mach-omap2/cm2xxx_3xxx.h b/arch/arm/mach-omap2/cm2xxx_3xxx.h index bfbd16fe9151..72928a3ce2aa 100644 --- a/arch/arm/mach-omap2/cm2xxx_3xxx.h +++ b/arch/arm/mach-omap2/cm2xxx_3xxx.h @@ -52,12 +52,12 @@ static inline u32 omap2_cm_read_mod_reg(s16 module, u16 idx) { - return __raw_readl(cm_base + module + idx); + return readl_relaxed(cm_base + module + idx); } static inline void omap2_cm_write_mod_reg(u32 val, s16 module, u16 idx) { - __raw_writel(val, cm_base + module + idx); + writel_relaxed(val, cm_base + module + idx); } /* Read-modify-write a register in a CM module. Caller must lock */ diff --git a/arch/arm/mach-omap2/cm33xx.c b/arch/arm/mach-omap2/cm33xx.c index 40a22e5649ae..b3f99e93def0 100644 --- a/arch/arm/mach-omap2/cm33xx.c +++ b/arch/arm/mach-omap2/cm33xx.c @@ -50,13 +50,13 @@ /* Read a register in a CM instance */ static inline u32 am33xx_cm_read_reg(u16 inst, u16 idx) { - return __raw_readl(cm_base + inst + idx); + return readl_relaxed(cm_base + inst + idx); } /* Write into a register in a CM */ static inline void am33xx_cm_write_reg(u32 val, u16 inst, u16 idx) { - __raw_writel(val, cm_base + inst + idx); + writel_relaxed(val, cm_base + inst + idx); } /* Read-modify-write a register in CM */ diff --git a/arch/arm/mach-omap2/cm33xx.h b/arch/arm/mach-omap2/cm33xx.h index cfb8891b0c0e..15a778ce7707 100644 --- a/arch/arm/mach-omap2/cm33xx.h +++ b/arch/arm/mach-omap2/cm33xx.h @@ -17,11 +17,8 @@ #ifndef __ARCH_ARM_MACH_OMAP2_CM_33XX_H #define __ARCH_ARM_MACH_OMAP2_CM_33XX_H -#include "common.h" - #include "cm.h" #include "cm-regbits-33xx.h" -#include "iomap.h" /* CM base address */ #define AM33XX_CM_BASE 0x44e00000 diff --git a/arch/arm/mach-omap2/cm3xxx.c b/arch/arm/mach-omap2/cm3xxx.c index f6f028867bfe..129a4e7f6ef5 100644 --- a/arch/arm/mach-omap2/cm3xxx.c +++ b/arch/arm/mach-omap2/cm3xxx.c @@ -18,9 +18,6 @@ #include <linux/err.h> #include <linux/io.h> -#include "soc.h" -#include "iomap.h" -#include "common.h" #include "prm2xxx_3xxx.h" #include "cm.h" #include "cm3xxx.h" @@ -388,7 +385,8 @@ void omap3_cm_save_context(void) omap2_cm_read_mod_reg(OMAP3430_IVA2_MOD, CM_CLKSEL1); cm_context.iva2_cm_clksel2 = omap2_cm_read_mod_reg(OMAP3430_IVA2_MOD, CM_CLKSEL2); - cm_context.cm_sysconfig = __raw_readl(OMAP3430_CM_SYSCONFIG); + cm_context.cm_sysconfig = + omap2_cm_read_mod_reg(OCP_MOD, OMAP3430_CM_SYSCONFIG); cm_context.sgx_cm_clksel = omap2_cm_read_mod_reg(OMAP3430ES2_SGX_MOD, CM_CLKSEL); cm_context.dss_cm_clksel = @@ -418,7 +416,8 @@ void omap3_cm_save_context(void) omap2_cm_read_mod_reg(PLL_MOD, OMAP3430ES2_CM_CLKSEL5); cm_context.pll_cm_clken2 = omap2_cm_read_mod_reg(PLL_MOD, OMAP3430ES2_CM_CLKEN2); - cm_context.cm_polctrl = __raw_readl(OMAP3430_CM_POLCTRL); + cm_context.cm_polctrl = + omap2_cm_read_mod_reg(OCP_MOD, OMAP3430_CM_POLCTRL); cm_context.iva2_cm_fclken = omap2_cm_read_mod_reg(OMAP3430_IVA2_MOD, CM_FCLKEN); cm_context.iva2_cm_clken_pll = @@ -519,7 +518,8 @@ void omap3_cm_restore_context(void) CM_CLKSEL1); omap2_cm_write_mod_reg(cm_context.iva2_cm_clksel2, OMAP3430_IVA2_MOD, CM_CLKSEL2); - __raw_writel(cm_context.cm_sysconfig, OMAP3430_CM_SYSCONFIG); + omap2_cm_write_mod_reg(cm_context.cm_sysconfig, OCP_MOD, + OMAP3430_CM_SYSCONFIG); omap2_cm_write_mod_reg(cm_context.sgx_cm_clksel, OMAP3430ES2_SGX_MOD, CM_CLKSEL); omap2_cm_write_mod_reg(cm_context.dss_cm_clksel, OMAP3430_DSS_MOD, @@ -547,7 +547,8 @@ void omap3_cm_restore_context(void) OMAP3430ES2_CM_CLKSEL5); omap2_cm_write_mod_reg(cm_context.pll_cm_clken2, PLL_MOD, OMAP3430ES2_CM_CLKEN2); - __raw_writel(cm_context.cm_polctrl, OMAP3430_CM_POLCTRL); + omap2_cm_write_mod_reg(cm_context.cm_polctrl, OCP_MOD, + OMAP3430_CM_POLCTRL); omap2_cm_write_mod_reg(cm_context.iva2_cm_fclken, OMAP3430_IVA2_MOD, CM_FCLKEN); omap2_cm_write_mod_reg(cm_context.iva2_cm_clken_pll, OMAP3430_IVA2_MOD, @@ -669,19 +670,11 @@ static struct cm_ll_data omap3xxx_cm_ll_data = { int __init omap3xxx_cm_init(void) { - if (!cpu_is_omap34xx()) - return 0; - return cm_register(&omap3xxx_cm_ll_data); } static void __exit omap3xxx_cm_exit(void) { - if (!cpu_is_omap34xx()) - return; - - /* Should never happen */ - WARN(cm_unregister(&omap3xxx_cm_ll_data), - "%s: cm_ll_data function pointer mismatch\n", __func__); + cm_unregister(&omap3xxx_cm_ll_data); } __exitcall(omap3xxx_cm_exit); diff --git a/arch/arm/mach-omap2/cm3xxx.h b/arch/arm/mach-omap2/cm3xxx.h index 8224c91b4d7a..7a16b5598127 100644 --- a/arch/arm/mach-omap2/cm3xxx.h +++ b/arch/arm/mach-omap2/cm3xxx.h @@ -29,9 +29,8 @@ * These registers appear once per CM module. */ -#define OMAP3430_CM_REVISION OMAP34XX_CM_REGADDR(OCP_MOD, 0x0000) -#define OMAP3430_CM_SYSCONFIG OMAP34XX_CM_REGADDR(OCP_MOD, 0x0010) -#define OMAP3430_CM_POLCTRL OMAP34XX_CM_REGADDR(OCP_MOD, 0x009c) +#define OMAP3430_CM_SYSCONFIG 0x0010 +#define OMAP3430_CM_POLCTRL 0x009c #define OMAP3_CM_CLKOUT_CTRL_OFFSET 0x0070 #define OMAP3430_CM_CLKOUT_CTRL OMAP_CM_REGADDR(OMAP3430_CCR_MOD, 0x0070) diff --git a/arch/arm/mach-omap2/cm44xx.c b/arch/arm/mach-omap2/cm44xx.c index 535d66e2822c..fe5cc7bae489 100644 --- a/arch/arm/mach-omap2/cm44xx.c +++ b/arch/arm/mach-omap2/cm44xx.c @@ -18,35 +18,32 @@ #include <linux/err.h> #include <linux/io.h> -#include "iomap.h" -#include "common.h" #include "cm.h" #include "cm1_44xx.h" #include "cm2_44xx.h" -#include "cm-regbits-44xx.h" /* CM1 hardware module low-level functions */ /* Read a register in CM1 */ u32 omap4_cm1_read_inst_reg(s16 inst, u16 reg) { - return __raw_readl(OMAP44XX_CM1_REGADDR(inst, reg)); + return readl_relaxed(cm_base + inst + reg); } /* Write into a register in CM1 */ void omap4_cm1_write_inst_reg(u32 val, s16 inst, u16 reg) { - __raw_writel(val, OMAP44XX_CM1_REGADDR(inst, reg)); + writel_relaxed(val, cm_base + inst + reg); } /* Read a register in CM2 */ u32 omap4_cm2_read_inst_reg(s16 inst, u16 reg) { - return __raw_readl(OMAP44XX_CM2_REGADDR(inst, reg)); + return readl_relaxed(cm2_base + inst + reg); } /* Write into a register in CM2 */ void omap4_cm2_write_inst_reg(u32 val, s16 inst, u16 reg) { - __raw_writel(val, OMAP44XX_CM2_REGADDR(inst, reg)); + writel_relaxed(val, cm2_base + inst + reg); } diff --git a/arch/arm/mach-omap2/cm_common.c b/arch/arm/mach-omap2/cm_common.c index 40b3b5a84458..8f6c4710877e 100644 --- a/arch/arm/mach-omap2/cm_common.c +++ b/arch/arm/mach-omap2/cm_common.c @@ -14,11 +14,11 @@ #include <linux/kernel.h> #include <linux/init.h> #include <linux/errno.h> +#include <linux/bug.h> #include "cm2xxx.h" #include "cm3xxx.h" #include "cm44xx.h" -#include "common.h" /* * cm_ll_data: function pointers to SoC-specific implementations of diff --git a/arch/arm/mach-omap2/cminst44xx.c b/arch/arm/mach-omap2/cminst44xx.c index f5c4731b6f06..12aca56942c0 100644 --- a/arch/arm/mach-omap2/cminst44xx.c +++ b/arch/arm/mach-omap2/cminst44xx.c @@ -21,8 +21,6 @@ #include <linux/err.h> #include <linux/io.h> -#include "iomap.h" -#include "common.h" #include "clockdomain.h" #include "cm.h" #include "cm1_44xx.h" @@ -30,12 +28,18 @@ #include "cm44xx.h" #include "cminst44xx.h" #include "cm-regbits-34xx.h" -#include "cm-regbits-44xx.h" #include "prcm44xx.h" #include "prm44xx.h" #include "prcm_mpu44xx.h" #include "prcm-common.h" +#define OMAP4430_IDLEST_SHIFT 16 +#define OMAP4430_IDLEST_MASK (0x3 << 16) +#define OMAP4430_CLKTRCTRL_SHIFT 0 +#define OMAP4430_CLKTRCTRL_MASK (0x3 << 0) +#define OMAP4430_MODULEMODE_SHIFT 0 +#define OMAP4430_MODULEMODE_MASK (0x3 << 0) + /* * CLKCTRL_IDLEST_*: possible values for the CM_*_CLKCTRL.IDLEST bitfield: * @@ -116,7 +120,7 @@ u32 omap4_cminst_read_inst_reg(u8 part, u16 inst, u16 idx) BUG_ON(part >= OMAP4_MAX_PRCM_PARTITIONS || part == OMAP4430_INVALID_PRCM_PARTITION || !_cm_bases[part]); - return __raw_readl(_cm_bases[part] + inst + idx); + return readl_relaxed(_cm_bases[part] + inst + idx); } /* Write into a register in a CM instance */ @@ -125,7 +129,7 @@ void omap4_cminst_write_inst_reg(u32 val, u8 part, u16 inst, u16 idx) BUG_ON(part >= OMAP4_MAX_PRCM_PARTITIONS || part == OMAP4430_INVALID_PRCM_PARTITION || !_cm_bases[part]); - __raw_writel(val, _cm_bases[part] + inst + idx); + writel_relaxed(val, _cm_bases[part] + inst + idx); } /* Read-modify-write a register in CM1. Caller must lock */ diff --git a/arch/arm/mach-omap2/control.c b/arch/arm/mach-omap2/control.c index 44bb4d544dcf..751f3549bf6f 100644 --- a/arch/arm/mach-omap2/control.c +++ b/arch/arm/mach-omap2/control.c @@ -151,32 +151,32 @@ void __iomem *omap_ctrl_base_get(void) u8 omap_ctrl_readb(u16 offset) { - return __raw_readb(OMAP_CTRL_REGADDR(offset)); + return readb_relaxed(OMAP_CTRL_REGADDR(offset)); } u16 omap_ctrl_readw(u16 offset) { - return __raw_readw(OMAP_CTRL_REGADDR(offset)); + return readw_relaxed(OMAP_CTRL_REGADDR(offset)); } u32 omap_ctrl_readl(u16 offset) { - return __raw_readl(OMAP_CTRL_REGADDR(offset)); + return readl_relaxed(OMAP_CTRL_REGADDR(offset)); } void omap_ctrl_writeb(u8 val, u16 offset) { - __raw_writeb(val, OMAP_CTRL_REGADDR(offset)); + writeb_relaxed(val, OMAP_CTRL_REGADDR(offset)); } void omap_ctrl_writew(u16 val, u16 offset) { - __raw_writew(val, OMAP_CTRL_REGADDR(offset)); + writew_relaxed(val, OMAP_CTRL_REGADDR(offset)); } void omap_ctrl_writel(u32 val, u16 offset) { - __raw_writel(val, OMAP_CTRL_REGADDR(offset)); + writel_relaxed(val, OMAP_CTRL_REGADDR(offset)); } /* @@ -188,12 +188,12 @@ void omap_ctrl_writel(u32 val, u16 offset) u32 omap4_ctrl_pad_readl(u16 offset) { - return __raw_readl(OMAP4_CTRL_PAD_REGADDR(offset)); + return readl_relaxed(OMAP4_CTRL_PAD_REGADDR(offset)); } void omap4_ctrl_pad_writel(u32 val, u16 offset) { - __raw_writel(val, OMAP4_CTRL_PAD_REGADDR(offset)); + writel_relaxed(val, OMAP4_CTRL_PAD_REGADDR(offset)); } #ifdef CONFIG_ARCH_OMAP3 @@ -222,7 +222,7 @@ void omap3_ctrl_write_boot_mode(u8 bootmode) * * XXX This should use some omap_ctrl_writel()-type function */ - __raw_writel(l, OMAP2_L4_IO_ADDRESS(OMAP343X_SCRATCHPAD + 4)); + writel_relaxed(l, OMAP2_L4_IO_ADDRESS(OMAP343X_SCRATCHPAD + 4)); } #endif @@ -285,7 +285,7 @@ void omap3_clear_scratchpad_contents(void) if (omap2_prm_read_mod_reg(OMAP3430_GR_MOD, OMAP3_PRM_RSTST_OFFSET) & OMAP3430_GLOBAL_COLD_RST_MASK) { for ( ; offset <= max_offset; offset += 0x4) - __raw_writel(0x0, (v_addr + offset)); + writel_relaxed(0x0, (v_addr + offset)); omap2_prm_set_mod_reg_bits(OMAP3430_GLOBAL_COLD_RST_MASK, OMAP3430_GR_MOD, OMAP3_PRM_RSTST_OFFSET); diff --git a/arch/arm/mach-omap2/dma.c b/arch/arm/mach-omap2/dma.c index 5689c88d986d..a6d2cf1f8d02 100644 --- a/arch/arm/mach-omap2/dma.c +++ b/arch/arm/mach-omap2/dma.c @@ -91,7 +91,7 @@ static inline void dma_write(u32 val, int reg, int lch) addr += reg_map[reg].offset; addr += reg_map[reg].stride * lch; - __raw_writel(val, addr); + writel_relaxed(val, addr); } static inline u32 dma_read(int reg, int lch) @@ -101,7 +101,7 @@ static inline u32 dma_read(int reg, int lch) addr += reg_map[reg].offset; addr += reg_map[reg].stride * lch; - return __raw_readl(addr); + return readl_relaxed(addr); } static void omap2_clear_dma(int lch) diff --git a/arch/arm/mach-omap2/gpmc.c b/arch/arm/mach-omap2/gpmc.c index 9fe8c949305c..852b19a367f0 100644 --- a/arch/arm/mach-omap2/gpmc.c +++ b/arch/arm/mach-omap2/gpmc.c @@ -170,12 +170,12 @@ static irqreturn_t gpmc_handle_irq(int irq, void *dev); static void gpmc_write_reg(int idx, u32 val) { - __raw_writel(val, gpmc_base + idx); + writel_relaxed(val, gpmc_base + idx); } static u32 gpmc_read_reg(int idx) { - return __raw_readl(gpmc_base + idx); + return readl_relaxed(gpmc_base + idx); } void gpmc_cs_write_reg(int cs, int idx, u32 val) @@ -183,7 +183,7 @@ void gpmc_cs_write_reg(int cs, int idx, u32 val) void __iomem *reg_addr; reg_addr = gpmc_base + GPMC_CS0_OFFSET + (cs * GPMC_CS_SIZE) + idx; - __raw_writel(val, reg_addr); + writel_relaxed(val, reg_addr); } static u32 gpmc_cs_read_reg(int cs, int idx) @@ -191,7 +191,7 @@ static u32 gpmc_cs_read_reg(int cs, int idx) void __iomem *reg_addr; reg_addr = gpmc_base + GPMC_CS0_OFFSET + (cs * GPMC_CS_SIZE) + idx; - return __raw_readl(reg_addr); + return readl_relaxed(reg_addr); } /* TODO: Add support for gpmc_fck to clock framework and use it */ diff --git a/arch/arm/mach-omap2/id.c b/arch/arm/mach-omap2/id.c index 157412e4273a..f61f1bf68df4 100644 --- a/arch/arm/mach-omap2/id.c +++ b/arch/arm/mach-omap2/id.c @@ -94,7 +94,7 @@ EXPORT_SYMBOL(omap_type); #define OMAP_TAP_DIE_ID_44XX_2 0x020c #define OMAP_TAP_DIE_ID_44XX_3 0x0210 -#define read_tap_reg(reg) __raw_readl(tap_base + (reg)) +#define read_tap_reg(reg) readl_relaxed(tap_base + (reg)) struct omap_id { u16 hawkeye; /* Silicon type (Hawkeye id) */ diff --git a/arch/arm/mach-omap2/irq.c b/arch/arm/mach-omap2/irq.c index 6037a9a01ed5..35b8590c322e 100644 --- a/arch/arm/mach-omap2/irq.c +++ b/arch/arm/mach-omap2/irq.c @@ -83,12 +83,12 @@ struct omap3_intc_regs { static void intc_bank_write_reg(u32 val, struct omap_irq_bank *bank, u16 reg) { - __raw_writel(val, bank->base_reg + reg); + writel_relaxed(val, bank->base_reg + reg); } static u32 intc_bank_read_reg(struct omap_irq_bank *bank, u16 reg) { - return __raw_readl(bank->base_reg + reg); + return readl_relaxed(bank->base_reg + reg); } /* XXX: FIQ and additional INTC support (only MPU at the moment) */ diff --git a/arch/arm/mach-omap2/mux.c b/arch/arm/mach-omap2/mux.c index 48094b58c88f..fd88edeb027f 100644 --- a/arch/arm/mach-omap2/mux.c +++ b/arch/arm/mach-omap2/mux.c @@ -70,18 +70,18 @@ struct omap_mux_partition *omap_mux_get(const char *name) u16 omap_mux_read(struct omap_mux_partition *partition, u16 reg) { if (partition->flags & OMAP_MUX_REG_8BIT) - return __raw_readb(partition->base + reg); + return readb_relaxed(partition->base + reg); else - return __raw_readw(partition->base + reg); + return readw_relaxed(partition->base + reg); } void omap_mux_write(struct omap_mux_partition *partition, u16 val, u16 reg) { if (partition->flags & OMAP_MUX_REG_8BIT) - __raw_writeb(val, partition->base + reg); + writeb_relaxed(val, partition->base + reg); else - __raw_writew(val, partition->base + reg); + writew_relaxed(val, partition->base + reg); } void omap_mux_write_array(struct omap_mux_partition *partition, diff --git a/arch/arm/mach-omap2/omap-hotplug.c b/arch/arm/mach-omap2/omap-hotplug.c index 458f72f9dc8f..971791fe9a3f 100644 --- a/arch/arm/mach-omap2/omap-hotplug.c +++ b/arch/arm/mach-omap2/omap-hotplug.c @@ -39,7 +39,7 @@ void __ref omap4_cpu_die(unsigned int cpu) if (omap_modify_auxcoreboot0(0x0, 0x200) != 0x0) pr_err("Secure clear status failed\n"); } else { - __raw_writel(0, base + OMAP_AUX_CORE_BOOT_0); + writel_relaxed(0, base + OMAP_AUX_CORE_BOOT_0); } @@ -53,7 +53,7 @@ void __ref omap4_cpu_die(unsigned int cpu) boot_cpu = omap_read_auxcoreboot0(); else boot_cpu = - __raw_readl(base + OMAP_AUX_CORE_BOOT_0) >> 5; + readl_relaxed(base + OMAP_AUX_CORE_BOOT_0) >> 5; if (boot_cpu == smp_processor_id()) { /* diff --git a/arch/arm/mach-omap2/omap-mpuss-lowpower.c b/arch/arm/mach-omap2/omap-mpuss-lowpower.c index 667915d236f3..eb76e47091ad 100644 --- a/arch/arm/mach-omap2/omap-mpuss-lowpower.c +++ b/arch/arm/mach-omap2/omap-mpuss-lowpower.c @@ -116,7 +116,7 @@ static inline void set_cpu_wakeup_addr(unsigned int cpu_id, u32 addr) { struct omap4_cpu_pm_info *pm_info = &per_cpu(omap4_pm_info, cpu_id); - __raw_writel(addr, pm_info->wkup_sar_addr); + writel_relaxed(addr, pm_info->wkup_sar_addr); } /* @@ -141,7 +141,7 @@ static void scu_pwrst_prepare(unsigned int cpu_id, unsigned int cpu_state) break; } - __raw_writel(scu_pwr_st, pm_info->scu_sar_addr); + writel_relaxed(scu_pwr_st, pm_info->scu_sar_addr); } /* Helper functions for MPUSS OSWR */ @@ -179,7 +179,7 @@ static void l2x0_pwrst_prepare(unsigned int cpu_id, unsigned int save_state) { struct omap4_cpu_pm_info *pm_info = &per_cpu(omap4_pm_info, cpu_id); - __raw_writel(save_state, pm_info->l2x0_sar_addr); + writel_relaxed(save_state, pm_info->l2x0_sar_addr); } /* @@ -192,10 +192,10 @@ static void save_l2x0_context(void) u32 val; void __iomem *l2x0_base = omap4_get_l2cache_base(); if (l2x0_base) { - val = __raw_readl(l2x0_base + L2X0_AUX_CTRL); - __raw_writel(val, sar_base + L2X0_AUXCTRL_OFFSET); - val = __raw_readl(l2x0_base + L2X0_PREFETCH_CTRL); - __raw_writel(val, sar_base + L2X0_PREFETCH_CTRL_OFFSET); + val = readl_relaxed(l2x0_base + L2X0_AUX_CTRL); + writel_relaxed(val, sar_base + L2X0_AUXCTRL_OFFSET); + val = readl_relaxed(l2x0_base + L2X0_PREFETCH_CTRL); + writel_relaxed(val, sar_base + L2X0_PREFETCH_CTRL_OFFSET); } } #else @@ -386,9 +386,9 @@ int __init omap4_mpuss_init(void) /* Save device type on scratchpad for low level code to use */ if (omap_type() != OMAP2_DEVICE_TYPE_GP) - __raw_writel(1, sar_base + OMAP_TYPE_OFFSET); + writel_relaxed(1, sar_base + OMAP_TYPE_OFFSET); else - __raw_writel(0, sar_base + OMAP_TYPE_OFFSET); + writel_relaxed(0, sar_base + OMAP_TYPE_OFFSET); save_l2x0_context(); diff --git a/arch/arm/mach-omap2/omap-smp.c b/arch/arm/mach-omap2/omap-smp.c index 17550aa39d0f..256e84ef0f67 100644 --- a/arch/arm/mach-omap2/omap-smp.c +++ b/arch/arm/mach-omap2/omap-smp.c @@ -99,7 +99,7 @@ static int omap4_boot_secondary(unsigned int cpu, struct task_struct *idle) if (omap_secure_apis_support()) omap_modify_auxcoreboot0(0x200, 0xfffffdff); else - __raw_writel(0x20, base + OMAP_AUX_CORE_BOOT_0); + writel_relaxed(0x20, base + OMAP_AUX_CORE_BOOT_0); if (!cpu1_clkdm && !cpu1_pwrdm) { cpu1_clkdm = clkdm_lookup("mpu1_clkdm"); @@ -227,8 +227,8 @@ static void __init omap4_smp_prepare_cpus(unsigned int max_cpus) if (omap_secure_apis_support()) omap_auxcoreboot_addr(virt_to_phys(startup_addr)); else - __raw_writel(virt_to_phys(omap5_secondary_startup), - base + OMAP_AUX_CORE_BOOT_1); + writel_relaxed(virt_to_phys(omap5_secondary_startup), + base + OMAP_AUX_CORE_BOOT_1); } diff --git a/arch/arm/mach-omap2/omap-wakeupgen.c b/arch/arm/mach-omap2/omap-wakeupgen.c index 693fe486e917..37843a7d3639 100644 --- a/arch/arm/mach-omap2/omap-wakeupgen.c +++ b/arch/arm/mach-omap2/omap-wakeupgen.c @@ -60,19 +60,19 @@ static unsigned int omap_secure_apis; */ static inline u32 wakeupgen_readl(u8 idx, u32 cpu) { - return __raw_readl(wakeupgen_base + OMAP_WKG_ENB_A_0 + + return readl_relaxed(wakeupgen_base + OMAP_WKG_ENB_A_0 + (cpu * CPU_ENA_OFFSET) + (idx * 4)); } static inline void wakeupgen_writel(u32 val, u8 idx, u32 cpu) { - __raw_writel(val, wakeupgen_base + OMAP_WKG_ENB_A_0 + + writel_relaxed(val, wakeupgen_base + OMAP_WKG_ENB_A_0 + (cpu * CPU_ENA_OFFSET) + (idx * 4)); } static inline void sar_writel(u32 val, u32 offset, u8 idx) { - __raw_writel(val, sar_base + offset + (idx * 4)); + writel_relaxed(val, sar_base + offset + (idx * 4)); } static inline int _wakeupgen_get_irq_info(u32 irq, u32 *bit_posn, u8 *reg_index) @@ -231,21 +231,21 @@ static inline void omap4_irq_save_context(void) } /* Save AuxBoot* registers */ - val = __raw_readl(wakeupgen_base + OMAP_AUX_CORE_BOOT_0); - __raw_writel(val, sar_base + AUXCOREBOOT0_OFFSET); - val = __raw_readl(wakeupgen_base + OMAP_AUX_CORE_BOOT_1); - __raw_writel(val, sar_base + AUXCOREBOOT1_OFFSET); + val = readl_relaxed(wakeupgen_base + OMAP_AUX_CORE_BOOT_0); + writel_relaxed(val, sar_base + AUXCOREBOOT0_OFFSET); + val = readl_relaxed(wakeupgen_base + OMAP_AUX_CORE_BOOT_1); + writel_relaxed(val, sar_base + AUXCOREBOOT1_OFFSET); /* Save SyncReq generation logic */ - val = __raw_readl(wakeupgen_base + OMAP_PTMSYNCREQ_MASK); - __raw_writel(val, sar_base + PTMSYNCREQ_MASK_OFFSET); - val = __raw_readl(wakeupgen_base + OMAP_PTMSYNCREQ_EN); - __raw_writel(val, sar_base + PTMSYNCREQ_EN_OFFSET); + val = readl_relaxed(wakeupgen_base + OMAP_PTMSYNCREQ_MASK); + writel_relaxed(val, sar_base + PTMSYNCREQ_MASK_OFFSET); + val = readl_relaxed(wakeupgen_base + OMAP_PTMSYNCREQ_EN); + writel_relaxed(val, sar_base + PTMSYNCREQ_EN_OFFSET); /* Set the Backup Bit Mask status */ - val = __raw_readl(sar_base + SAR_BACKUP_STATUS_OFFSET); + val = readl_relaxed(sar_base + SAR_BACKUP_STATUS_OFFSET); val |= SAR_BACKUP_STATUS_WAKEUPGEN; - __raw_writel(val, sar_base + SAR_BACKUP_STATUS_OFFSET); + writel_relaxed(val, sar_base + SAR_BACKUP_STATUS_OFFSET); } @@ -264,15 +264,15 @@ static inline void omap5_irq_save_context(void) } /* Save AuxBoot* registers */ - val = __raw_readl(wakeupgen_base + OMAP_AUX_CORE_BOOT_0); - __raw_writel(val, sar_base + OMAP5_AUXCOREBOOT0_OFFSET); - val = __raw_readl(wakeupgen_base + OMAP_AUX_CORE_BOOT_0); - __raw_writel(val, sar_base + OMAP5_AUXCOREBOOT1_OFFSET); + val = readl_relaxed(wakeupgen_base + OMAP_AUX_CORE_BOOT_0); + writel_relaxed(val, sar_base + OMAP5_AUXCOREBOOT0_OFFSET); + val = readl_relaxed(wakeupgen_base + OMAP_AUX_CORE_BOOT_0); + writel_relaxed(val, sar_base + OMAP5_AUXCOREBOOT1_OFFSET); /* Set the Backup Bit Mask status */ - val = __raw_readl(sar_base + OMAP5_SAR_BACKUP_STATUS_OFFSET); + val = readl_relaxed(sar_base + OMAP5_SAR_BACKUP_STATUS_OFFSET); val |= SAR_BACKUP_STATUS_WAKEUPGEN; - __raw_writel(val, sar_base + OMAP5_SAR_BACKUP_STATUS_OFFSET); + writel_relaxed(val, sar_base + OMAP5_SAR_BACKUP_STATUS_OFFSET); } @@ -306,9 +306,9 @@ static void irq_sar_clear(void) if (soc_is_omap54xx()) offset = OMAP5_SAR_BACKUP_STATUS_OFFSET; - val = __raw_readl(sar_base + offset); + val = readl_relaxed(sar_base + offset); val &= ~SAR_BACKUP_STATUS_WAKEUPGEN; - __raw_writel(val, sar_base + offset); + writel_relaxed(val, sar_base + offset); } /* diff --git a/arch/arm/mach-omap2/omap4-common.c b/arch/arm/mach-omap2/omap4-common.c index 95e171a055f3..99b0154493a4 100644 --- a/arch/arm/mach-omap2/omap4-common.c +++ b/arch/arm/mach-omap2/omap4-common.c @@ -125,25 +125,25 @@ void __init gic_init_irq(void) void gic_dist_disable(void) { if (gic_dist_base_addr) - __raw_writel(0x0, gic_dist_base_addr + GIC_DIST_CTRL); + writel_relaxed(0x0, gic_dist_base_addr + GIC_DIST_CTRL); } void gic_dist_enable(void) { if (gic_dist_base_addr) - __raw_writel(0x1, gic_dist_base_addr + GIC_DIST_CTRL); + writel_relaxed(0x1, gic_dist_base_addr + GIC_DIST_CTRL); } bool gic_dist_disabled(void) { - return !(__raw_readl(gic_dist_base_addr + GIC_DIST_CTRL) & 0x1); + return !(readl_relaxed(gic_dist_base_addr + GIC_DIST_CTRL) & 0x1); } void gic_timer_retrigger(void) { - u32 twd_int = __raw_readl(twd_base + TWD_TIMER_INTSTAT); - u32 gic_int = __raw_readl(gic_dist_base_addr + GIC_DIST_PENDING_SET); - u32 twd_ctrl = __raw_readl(twd_base + TWD_TIMER_CONTROL); + u32 twd_int = readl_relaxed(twd_base + TWD_TIMER_INTSTAT); + u32 gic_int = readl_relaxed(gic_dist_base_addr + GIC_DIST_PENDING_SET); + u32 twd_ctrl = readl_relaxed(twd_base + TWD_TIMER_CONTROL); if (twd_int && !(gic_int & BIT(IRQ_LOCALTIMER))) { /* @@ -151,11 +151,11 @@ void gic_timer_retrigger(void) * disabled. Ack the pending interrupt, and retrigger it. */ pr_warn("%s: lost localtimer interrupt\n", __func__); - __raw_writel(1, twd_base + TWD_TIMER_INTSTAT); + writel_relaxed(1, twd_base + TWD_TIMER_INTSTAT); if (!(twd_ctrl & TWD_TIMER_CONTROL_PERIODIC)) { - __raw_writel(1, twd_base + TWD_TIMER_COUNTER); + writel_relaxed(1, twd_base + TWD_TIMER_COUNTER); twd_ctrl |= TWD_TIMER_CONTROL_ENABLE; - __raw_writel(twd_ctrl, twd_base + TWD_TIMER_CONTROL); + writel_relaxed(twd_ctrl, twd_base + TWD_TIMER_CONTROL); } } } diff --git a/arch/arm/mach-omap2/omap_hwmod.c b/arch/arm/mach-omap2/omap_hwmod.c index 66c60fe1104c..f7bb435bb543 100644 --- a/arch/arm/mach-omap2/omap_hwmod.c +++ b/arch/arm/mach-omap2/omap_hwmod.c @@ -72,7 +72,7 @@ * | (../mach-omap2/omap_hwmod*) | * +-------------------------------+ * | OMAP clock/PRCM/register fns | - * | (__raw_{read,write}l, clk*) | + * | ({read,write}l_relaxed, clk*) | * +-------------------------------+ * * Device drivers should not contain any OMAP-specific code or data in @@ -3230,17 +3230,17 @@ static int _am33xx_is_hardreset_asserted(struct omap_hwmod *oh, u32 omap_hwmod_read(struct omap_hwmod *oh, u16 reg_offs) { if (oh->flags & HWMOD_16BIT_REG) - return __raw_readw(oh->_mpu_rt_va + reg_offs); + return readw_relaxed(oh->_mpu_rt_va + reg_offs); else - return __raw_readl(oh->_mpu_rt_va + reg_offs); + return readl_relaxed(oh->_mpu_rt_va + reg_offs); } void omap_hwmod_write(u32 v, struct omap_hwmod *oh, u16 reg_offs) { if (oh->flags & HWMOD_16BIT_REG) - __raw_writew(v, oh->_mpu_rt_va + reg_offs); + writew_relaxed(v, oh->_mpu_rt_va + reg_offs); else - __raw_writel(v, oh->_mpu_rt_va + reg_offs); + writel_relaxed(v, oh->_mpu_rt_va + reg_offs); } /** diff --git a/arch/arm/mach-omap2/omap_hwmod_33xx_43xx_ipblock_data.c b/arch/arm/mach-omap2/omap_hwmod_33xx_43xx_ipblock_data.c index 0f178623e7da..a579b89ce9b7 100644 --- a/arch/arm/mach-omap2/omap_hwmod_33xx_43xx_ipblock_data.c +++ b/arch/arm/mach-omap2/omap_hwmod_33xx_43xx_ipblock_data.c @@ -24,6 +24,7 @@ #include "prm33xx.h" #include "omap_hwmod_33xx_43xx_common_data.h" #include "prcm43xx.h" +#include "common.h" #define CLKCTRL(oh, clkctrl) ((oh).prcm.omap4.clkctrl_offs = (clkctrl)) #define RSTCTRL(oh, rstctrl) ((oh).prcm.omap4.rstctrl_offs = (rstctrl)) diff --git a/arch/arm/mach-omap2/omap_phy_internal.c b/arch/arm/mach-omap2/omap_phy_internal.c index eb8a25de67ed..50640b38f0bf 100644 --- a/arch/arm/mach-omap2/omap_phy_internal.c +++ b/arch/arm/mach-omap2/omap_phy_internal.c @@ -57,7 +57,7 @@ static int __init omap4430_phy_power_down(void) } /* Power down the phy */ - __raw_writel(PHY_PD, ctrl_base + CONTROL_DEV_CONF); + writel_relaxed(PHY_PD, ctrl_base + CONTROL_DEV_CONF); iounmap(ctrl_base); @@ -162,7 +162,7 @@ void ti81xx_musb_phy_power(u8 on) return; } - usbphycfg = __raw_readl(scm_base + USBCTRL0); + usbphycfg = readl_relaxed(scm_base + USBCTRL0); if (on) { if (cpu_is_ti816x()) { @@ -181,7 +181,7 @@ void ti81xx_musb_phy_power(u8 on) usbphycfg |= USBPHY_CM_PWRDN | USBPHY_OTG_PWRDN; } - __raw_writel(usbphycfg, scm_base + USBCTRL0); + writel_relaxed(usbphycfg, scm_base + USBCTRL0); iounmap(scm_base); } diff --git a/arch/arm/mach-omap2/powerdomain-common.c b/arch/arm/mach-omap2/powerdomain-common.c index c0aeabfcf009..c40e5f009826 100644 --- a/arch/arm/mach-omap2/powerdomain-common.c +++ b/arch/arm/mach-omap2/powerdomain-common.c @@ -17,7 +17,6 @@ #include "pm.h" #include "cm.h" #include "cm-regbits-34xx.h" -#include "cm-regbits-44xx.h" #include "prm-regbits-34xx.h" #include "prm-regbits-44xx.h" diff --git a/arch/arm/mach-omap2/powerdomain.c b/arch/arm/mach-omap2/powerdomain.c index 93a2a6e4260f..faebd5f076af 100644 --- a/arch/arm/mach-omap2/powerdomain.c +++ b/arch/arm/mach-omap2/powerdomain.c @@ -32,6 +32,7 @@ #include "powerdomain.h" #include "clockdomain.h" +#include "voltage.h" #include "soc.h" #include "pm.h" diff --git a/arch/arm/mach-omap2/powerdomain.h b/arch/arm/mach-omap2/powerdomain.h index da5a59ae77b6..f4727117f6cc 100644 --- a/arch/arm/mach-omap2/powerdomain.h +++ b/arch/arm/mach-omap2/powerdomain.h @@ -21,8 +21,6 @@ #include <linux/list.h> #include <linux/spinlock.h> -#include "voltage.h" - /* Powerdomain basic power states */ #define PWRDM_POWER_OFF 0x0 #define PWRDM_POWER_RET 0x1 @@ -75,6 +73,7 @@ struct clockdomain; struct powerdomain; +struct voltagedomain; /** * struct powerdomain - OMAP powerdomain diff --git a/arch/arm/mach-omap2/prcm-common.h b/arch/arm/mach-omap2/prcm-common.h index 0e841fd9498a..a8e4b582c527 100644 --- a/arch/arm/mach-omap2/prcm-common.h +++ b/arch/arm/mach-omap2/prcm-common.h @@ -428,6 +428,28 @@ #define MAX_IOPAD_LATCH_TIME 100 # ifndef __ASSEMBLER__ +#include <linux/delay.h> + +/** + * omap_test_timeout - busy-loop, testing a condition + * @cond: condition to test until it evaluates to true + * @timeout: maximum number of microseconds in the timeout + * @index: loop index (integer) + * + * Loop waiting for @cond to become true or until at least @timeout + * microseconds have passed. To use, define some integer @index in the + * calling code. After running, if @index == @timeout, then the loop has + * timed out. + */ +#define omap_test_timeout(cond, timeout, index) \ +({ \ + for (index = 0; index < timeout; index++) { \ + if (cond) \ + break; \ + udelay(1); \ + } \ +}) + /** * struct omap_prcm_irq - describes a PRCM interrupt bit * @name: a short name describing the interrupt type, e.g. "wkup" or "io" @@ -458,6 +480,7 @@ struct omap_prcm_irq { * @ocp_barrier: fn ptr to force buffered PRM writes to complete * @save_and_clear_irqen: fn ptr to save and clear IRQENABLE regs * @restore_irqen: fn ptr to save and clear IRQENABLE regs + * @reconfigure_io_chain: fn ptr to reconfigure IO chain * @saved_mask: IRQENABLE regs are saved here during suspend * @priority_mask: 1 bit per IRQ, set to 1 if omap_prcm_irq.priority = true * @base_irq: base dynamic IRQ number, returned from irq_alloc_descs() in init @@ -479,6 +502,7 @@ struct omap_prcm_irq_setup { void (*ocp_barrier)(void); void (*save_and_clear_irqen)(u32 *saved_mask); void (*restore_irqen)(u32 *saved_mask); + void (*reconfigure_io_chain)(void); u32 *saved_mask; u32 *priority_mask; int base_irq; diff --git a/arch/arm/mach-omap2/prcm_mpu44xx.c b/arch/arm/mach-omap2/prcm_mpu44xx.c index c30e44a7fab0..cdbee6326d29 100644 --- a/arch/arm/mach-omap2/prcm_mpu44xx.c +++ b/arch/arm/mach-omap2/prcm_mpu44xx.c @@ -30,12 +30,12 @@ void __iomem *prcm_mpu_base; u32 omap4_prcm_mpu_read_inst_reg(s16 inst, u16 reg) { - return __raw_readl(OMAP44XX_PRCM_MPU_REGADDR(inst, reg)); + return readl_relaxed(OMAP44XX_PRCM_MPU_REGADDR(inst, reg)); } void omap4_prcm_mpu_write_inst_reg(u32 val, s16 inst, u16 reg) { - __raw_writel(val, OMAP44XX_PRCM_MPU_REGADDR(inst, reg)); + writel_relaxed(val, OMAP44XX_PRCM_MPU_REGADDR(inst, reg)); } u32 omap4_prcm_mpu_rmw_inst_reg_bits(u32 mask, u32 bits, s16 inst, s16 reg) diff --git a/arch/arm/mach-omap2/prcm_mpu44xx.h b/arch/arm/mach-omap2/prcm_mpu44xx.h index 059bd4f49035..ac9cb4550239 100644 --- a/arch/arm/mach-omap2/prcm_mpu44xx.h +++ b/arch/arm/mach-omap2/prcm_mpu44xx.h @@ -26,7 +26,6 @@ #define __ARCH_ARM_MACH_OMAP2_PRCM_MPU44XX_H #include "prcm_mpu_44xx_54xx.h" -#include "common.h" #define OMAP4430_PRCM_MPU_BASE 0x48243000 diff --git a/arch/arm/mach-omap2/prm.h b/arch/arm/mach-omap2/prm.h index 623db40fdbbd..48480d557b61 100644 --- a/arch/arm/mach-omap2/prm.h +++ b/arch/arm/mach-omap2/prm.h @@ -17,10 +17,18 @@ # ifndef __ASSEMBLER__ extern void __iomem *prm_base; +extern u16 prm_features; extern void omap2_set_globals_prm(void __iomem *prm); int of_prcm_init(void); # endif +/* + * prm_features flag values + * + * PRM_HAS_IO_WAKEUP: has IO wakeup capability + * PRM_HAS_VOLTAGE: has voltage domains + */ +#define PRM_HAS_IO_WAKEUP (1 << 0) /* * MAX_MODULE_SOFTRESET_WAIT: Maximum microseconds to wait for OMAP @@ -118,6 +126,7 @@ struct prm_reset_src_map { * @read_reset_sources: ptr to the SoC PRM-specific get_reset_source impl * @was_any_context_lost_old: ptr to the SoC PRM context loss test fn * @clear_context_loss_flags_old: ptr to the SoC PRM context loss flag clear fn + * @late_init: ptr to the late init function * * XXX @was_any_context_lost_old and @clear_context_loss_flags_old are * deprecated. @@ -126,6 +135,7 @@ struct prm_ll_data { u32 (*read_reset_sources)(void); bool (*was_any_context_lost_old)(u8 part, s16 inst, u16 idx); void (*clear_context_loss_flags_old)(u8 part, s16 inst, u16 idx); + int (*late_init)(void); }; extern int prm_register(struct prm_ll_data *pld); diff --git a/arch/arm/mach-omap2/prm2xxx.c b/arch/arm/mach-omap2/prm2xxx.c index 418de9c3b319..a3a3cca2bcc4 100644 --- a/arch/arm/mach-omap2/prm2xxx.c +++ b/arch/arm/mach-omap2/prm2xxx.c @@ -18,9 +18,6 @@ #include <linux/io.h> #include <linux/irq.h> -#include "soc.h" -#include "common.h" -#include "vp.h" #include "powerdomain.h" #include "clockdomain.h" #include "prm2xxx.h" @@ -201,19 +198,11 @@ static struct prm_ll_data omap2xxx_prm_ll_data = { int __init omap2xxx_prm_init(void) { - if (!cpu_is_omap24xx()) - return 0; - return prm_register(&omap2xxx_prm_ll_data); } static void __exit omap2xxx_prm_exit(void) { - if (!cpu_is_omap24xx()) - return; - - /* Should never happen */ - WARN(prm_unregister(&omap2xxx_prm_ll_data), - "%s: prm_ll_data function pointer mismatch\n", __func__); + prm_unregister(&omap2xxx_prm_ll_data); } __exitcall(omap2xxx_prm_exit); diff --git a/arch/arm/mach-omap2/prm2xxx.h b/arch/arm/mach-omap2/prm2xxx.h index 3194dd87e0e4..d2cb6365716f 100644 --- a/arch/arm/mach-omap2/prm2xxx.h +++ b/arch/arm/mach-omap2/prm2xxx.h @@ -27,7 +27,7 @@ /* * OMAP2-specific global PRM registers - * Use __raw_{read,write}l() with these registers. + * Use {read,write}l_relaxed() with these registers. * * With a few exceptions, these are the register names beginning with * PRCM_* on 24xx. (The exceptions are the IRQSTATUS and IRQENABLE diff --git a/arch/arm/mach-omap2/prm2xxx_3xxx.c b/arch/arm/mach-omap2/prm2xxx_3xxx.c index 947f6adfed0c..c13b4e293ffa 100644 --- a/arch/arm/mach-omap2/prm2xxx_3xxx.c +++ b/arch/arm/mach-omap2/prm2xxx_3xxx.c @@ -16,7 +16,6 @@ #include <linux/err.h> #include <linux/io.h> -#include "common.h" #include "powerdomain.h" #include "prm2xxx_3xxx.h" #include "prm-regbits-24xx.h" diff --git a/arch/arm/mach-omap2/prm2xxx_3xxx.h b/arch/arm/mach-omap2/prm2xxx_3xxx.h index 9624b40836d4..1a3a96392b97 100644 --- a/arch/arm/mach-omap2/prm2xxx_3xxx.h +++ b/arch/arm/mach-omap2/prm2xxx_3xxx.h @@ -55,12 +55,12 @@ /* Power/reset management domain register get/set */ static inline u32 omap2_prm_read_mod_reg(s16 module, u16 idx) { - return __raw_readl(prm_base + module + idx); + return readl_relaxed(prm_base + module + idx); } static inline void omap2_prm_write_mod_reg(u32 val, s16 module, u16 idx) { - __raw_writel(val, prm_base + module + idx); + writel_relaxed(val, prm_base + module + idx); } /* Read-modify-write a register in a PRM module. Caller must lock */ diff --git a/arch/arm/mach-omap2/prm33xx.c b/arch/arm/mach-omap2/prm33xx.c index 720440737744..62709cd2f9c5 100644 --- a/arch/arm/mach-omap2/prm33xx.c +++ b/arch/arm/mach-omap2/prm33xx.c @@ -19,7 +19,6 @@ #include <linux/err.h> #include <linux/io.h> -#include "common.h" #include "powerdomain.h" #include "prm33xx.h" #include "prm-regbits-33xx.h" @@ -27,13 +26,13 @@ /* Read a register in a PRM instance */ u32 am33xx_prm_read_reg(s16 inst, u16 idx) { - return __raw_readl(prm_base + inst + idx); + return readl_relaxed(prm_base + inst + idx); } /* Write into a register in a PRM instance */ void am33xx_prm_write_reg(u32 val, s16 inst, u16 idx) { - __raw_writel(val, prm_base + inst + idx); + writel_relaxed(val, prm_base + inst + idx); } /* Read-modify-write a register in PRM. Caller must lock */ diff --git a/arch/arm/mach-omap2/prm3xxx.c b/arch/arm/mach-omap2/prm3xxx.c index 7721990d2006..4bd7a2dca8af 100644 --- a/arch/arm/mach-omap2/prm3xxx.c +++ b/arch/arm/mach-omap2/prm3xxx.c @@ -43,6 +43,7 @@ static struct omap_prcm_irq_setup omap3_prcm_irq_setup = { .ocp_barrier = &omap3xxx_prm_ocp_barrier, .save_and_clear_irqen = &omap3xxx_prm_save_and_clear_irqen, .restore_irqen = &omap3xxx_prm_restore_irqen, + .reconfigure_io_chain = &omap3xxx_prm_reconfigure_io_chain, }; /* @@ -246,7 +247,7 @@ void omap3xxx_prm_reconfigure_io_chain(void) */ static void __init omap3xxx_prm_enable_io_wakeup(void) { - if (omap3_has_io_wakeup()) + if (prm_features & PRM_HAS_IO_WAKEUP) omap2_prm_set_mod_reg_bits(OMAP3430_EN_IO_MASK, WKUP_MOD, PM_WKEN); } @@ -400,23 +401,26 @@ struct pwrdm_ops omap3_pwrdm_operations = { * */ +static int omap3xxx_prm_late_init(void); + static struct prm_ll_data omap3xxx_prm_ll_data = { .read_reset_sources = &omap3xxx_prm_read_reset_sources, + .late_init = &omap3xxx_prm_late_init, }; int __init omap3xxx_prm_init(void) { - if (!cpu_is_omap34xx()) - return 0; + if (omap3_has_io_wakeup()) + prm_features |= PRM_HAS_IO_WAKEUP; return prm_register(&omap3xxx_prm_ll_data); } -static int __init omap3xxx_prm_late_init(void) +static int omap3xxx_prm_late_init(void) { int ret; - if (!cpu_is_omap34xx()) + if (!(prm_features & PRM_HAS_IO_WAKEUP)) return 0; omap3xxx_prm_enable_io_wakeup(); @@ -427,15 +431,9 @@ static int __init omap3xxx_prm_late_init(void) return ret; } -omap_subsys_initcall(omap3xxx_prm_late_init); static void __exit omap3xxx_prm_exit(void) { - if (!cpu_is_omap34xx()) - return; - - /* Should never happen */ - WARN(prm_unregister(&omap3xxx_prm_ll_data), - "%s: prm_ll_data function pointer mismatch\n", __func__); + prm_unregister(&omap3xxx_prm_ll_data); } __exitcall(omap3xxx_prm_exit); diff --git a/arch/arm/mach-omap2/prm3xxx.h b/arch/arm/mach-omap2/prm3xxx.h index f8eb83323b1a..1dacfc5b1959 100644 --- a/arch/arm/mach-omap2/prm3xxx.h +++ b/arch/arm/mach-omap2/prm3xxx.h @@ -26,7 +26,7 @@ /* * OMAP3-specific global PRM registers - * Use __raw_{read,write}l() with these registers. + * Use {read,write}l_relaxed() with these registers. * * With a few exceptions, these are the register names beginning with * PRM_* on 34xx. (The exceptions are the IRQSTATUS and IRQENABLE diff --git a/arch/arm/mach-omap2/prm44xx.c b/arch/arm/mach-omap2/prm44xx.c index 03a603476cfc..a7f6ea27180a 100644 --- a/arch/arm/mach-omap2/prm44xx.c +++ b/arch/arm/mach-omap2/prm44xx.c @@ -47,6 +47,7 @@ static struct omap_prcm_irq_setup omap4_prcm_irq_setup = { .ocp_barrier = &omap44xx_prm_ocp_barrier, .save_and_clear_irqen = &omap44xx_prm_save_and_clear_irqen, .restore_irqen = &omap44xx_prm_restore_irqen, + .reconfigure_io_chain = &omap44xx_prm_reconfigure_io_chain, }; /* @@ -81,13 +82,13 @@ static struct prm_reset_src_map omap44xx_prm_reset_src_map[] = { /* Read a register in a CM/PRM instance in the PRM module */ u32 omap4_prm_read_inst_reg(s16 inst, u16 reg) { - return __raw_readl(prm_base + inst + reg); + return readl_relaxed(prm_base + inst + reg); } /* Write into a register in a CM/PRM instance in the PRM module */ void omap4_prm_write_inst_reg(u32 val, s16 inst, u16 reg) { - __raw_writel(val, prm_base + inst + reg); + writel_relaxed(val, prm_base + inst + reg); } /* Read-modify-write a register in a PRM module. Caller must lock */ @@ -649,6 +650,8 @@ struct pwrdm_ops omap4_pwrdm_operations = { .pwrdm_has_voltdm = omap4_check_vcvp, }; +static int omap44xx_prm_late_init(void); + /* * XXX document */ @@ -656,34 +659,29 @@ static struct prm_ll_data omap44xx_prm_ll_data = { .read_reset_sources = &omap44xx_prm_read_reset_sources, .was_any_context_lost_old = &omap44xx_prm_was_any_context_lost_old, .clear_context_loss_flags_old = &omap44xx_prm_clear_context_loss_flags_old, + .late_init = &omap44xx_prm_late_init, }; int __init omap44xx_prm_init(void) { - if (!cpu_is_omap44xx() && !soc_is_omap54xx() && !soc_is_dra7xx()) - return 0; + if (cpu_is_omap44xx()) + prm_features |= PRM_HAS_IO_WAKEUP; return prm_register(&omap44xx_prm_ll_data); } -static int __init omap44xx_prm_late_init(void) +static int omap44xx_prm_late_init(void) { - if (!cpu_is_omap44xx()) + if (!(prm_features & PRM_HAS_IO_WAKEUP)) return 0; omap44xx_prm_enable_io_wakeup(); return omap_prcm_register_chain_handler(&omap4_prcm_irq_setup); } -omap_subsys_initcall(omap44xx_prm_late_init); static void __exit omap44xx_prm_exit(void) { - if (!cpu_is_omap44xx()) - return; - - /* Should never happen */ - WARN(prm_unregister(&omap44xx_prm_ll_data), - "%s: prm_ll_data function pointer mismatch\n", __func__); + prm_unregister(&omap44xx_prm_ll_data); } __exitcall(omap44xx_prm_exit); diff --git a/arch/arm/mach-omap2/prm_common.c b/arch/arm/mach-omap2/prm_common.c index b4c4ab9c8044..25e8b8232115 100644 --- a/arch/arm/mach-omap2/prm_common.c +++ b/arch/arm/mach-omap2/prm_common.c @@ -62,6 +62,8 @@ static struct omap_prcm_irq_setup *prcm_irq_setup; /* prm_base: base virtual address of the PRM IP block */ void __iomem *prm_base; +u16 prm_features; + /* * prm_ll_data: function pointers to SoC-specific implementations of * common PRM functions @@ -330,12 +332,7 @@ int omap_prcm_register_chain_handler(struct omap_prcm_irq_setup *irq_setup) if (of_have_populated_dt()) { int irq = omap_prcm_event_to_irq("io"); - if (cpu_is_omap34xx()) - omap_pcs_legacy_init(irq, - omap3xxx_prm_reconfigure_io_chain); - else - omap_pcs_legacy_init(irq, - omap44xx_prm_reconfigure_io_chain); + omap_pcs_legacy_init(irq, irq_setup->reconfigure_io_chain); } return 0; @@ -530,3 +527,11 @@ int __init of_prcm_init(void) return 0; } + +static int __init prm_late_init(void) +{ + if (prm_ll_data->late_init) + return prm_ll_data->late_init(); + return 0; +} +subsys_initcall(prm_late_init); diff --git a/arch/arm/mach-omap2/prminst44xx.c b/arch/arm/mach-omap2/prminst44xx.c index 05fcf6de44ee..69f0dd08629c 100644 --- a/arch/arm/mach-omap2/prminst44xx.c +++ b/arch/arm/mach-omap2/prminst44xx.c @@ -49,7 +49,7 @@ u32 omap4_prminst_read_inst_reg(u8 part, s16 inst, u16 idx) BUG_ON(part >= OMAP4_MAX_PRCM_PARTITIONS || part == OMAP4430_INVALID_PRCM_PARTITION || !_prm_bases[part]); - return __raw_readl(_prm_bases[part] + inst + idx); + return readl_relaxed(_prm_bases[part] + inst + idx); } /* Write into a register in a PRM instance */ @@ -58,7 +58,7 @@ void omap4_prminst_write_inst_reg(u32 val, u8 part, s16 inst, u16 idx) BUG_ON(part >= OMAP4_MAX_PRCM_PARTITIONS || part == OMAP4430_INVALID_PRCM_PARTITION || !_prm_bases[part]); - __raw_writel(val, _prm_bases[part] + inst + idx); + writel_relaxed(val, _prm_bases[part] + inst + idx); } /* Read-modify-write a register in PRM. Caller must lock */ diff --git a/arch/arm/mach-omap2/sdrc.h b/arch/arm/mach-omap2/sdrc.h index 446aa13511fd..645a2a46b213 100644 --- a/arch/arm/mach-omap2/sdrc.h +++ b/arch/arm/mach-omap2/sdrc.h @@ -31,24 +31,24 @@ extern void __iomem *omap2_sms_base; static inline void sdrc_write_reg(u32 val, u16 reg) { - __raw_writel(val, OMAP_SDRC_REGADDR(reg)); + writel_relaxed(val, OMAP_SDRC_REGADDR(reg)); } static inline u32 sdrc_read_reg(u16 reg) { - return __raw_readl(OMAP_SDRC_REGADDR(reg)); + return readl_relaxed(OMAP_SDRC_REGADDR(reg)); } /* SMS global register get/set */ static inline void sms_write_reg(u32 val, u16 reg) { - __raw_writel(val, OMAP_SMS_REGADDR(reg)); + writel_relaxed(val, OMAP_SMS_REGADDR(reg)); } static inline u32 sms_read_reg(u16 reg) { - return __raw_readl(OMAP_SMS_REGADDR(reg)); + return readl_relaxed(OMAP_SMS_REGADDR(reg)); } extern void omap2_set_globals_sdrc(void __iomem *sdrc, void __iomem *sms); diff --git a/arch/arm/mach-omap2/sdrc2xxx.c b/arch/arm/mach-omap2/sdrc2xxx.c index 907291714643..ae3f1553158d 100644 --- a/arch/arm/mach-omap2/sdrc2xxx.c +++ b/arch/arm/mach-omap2/sdrc2xxx.c @@ -103,9 +103,9 @@ u32 omap2xxx_sdrc_reprogram(u32 level, u32 force) * prm2xxx.c function */ if (cpu_is_omap2420()) - __raw_writel(0xffff, OMAP2420_PRCM_VOLTSETUP); + writel_relaxed(0xffff, OMAP2420_PRCM_VOLTSETUP); else - __raw_writel(0xffff, OMAP2430_PRCM_VOLTSETUP); + writel_relaxed(0xffff, OMAP2430_PRCM_VOLTSETUP); omap2_sram_reprogram_sdrc(level, dll_ctrl, m_type); curr_perf_level = level; local_irq_restore(flags); diff --git a/arch/arm/mach-omap2/sr_device.c b/arch/arm/mach-omap2/sr_device.c index d7bc33f15344..1b91ef0c182a 100644 --- a/arch/arm/mach-omap2/sr_device.c +++ b/arch/arm/mach-omap2/sr_device.c @@ -57,7 +57,7 @@ static void __init sr_set_nvalues(struct omap_volt_data *volt_data, /* * In OMAP4 the efuse registers are 24 bit aligned. - * A __raw_readl will fail for non-32 bit aligned address + * A readl_relaxed will fail for non-32 bit aligned address * and hence the 8-bit read and shift. */ if (cpu_is_omap44xx()) { diff --git a/arch/arm/mach-omap2/sram.c b/arch/arm/mach-omap2/sram.c index 4bd096836235..ddf1818af228 100644 --- a/arch/arm/mach-omap2/sram.c +++ b/arch/arm/mach-omap2/sram.c @@ -70,16 +70,16 @@ static int is_sram_locked(void) if (OMAP2_DEVICE_TYPE_GP == omap_type()) { /* RAMFW: R/W access to all initiators for all qualifier sets */ if (cpu_is_omap242x()) { - __raw_writel(0xFF, OMAP24XX_VA_REQINFOPERM0); /* all q-vects */ - __raw_writel(0xCFDE, OMAP24XX_VA_READPERM0); /* all i-read */ - __raw_writel(0xCFDE, OMAP24XX_VA_WRITEPERM0); /* all i-write */ + writel_relaxed(0xFF, OMAP24XX_VA_REQINFOPERM0); /* all q-vects */ + writel_relaxed(0xCFDE, OMAP24XX_VA_READPERM0); /* all i-read */ + writel_relaxed(0xCFDE, OMAP24XX_VA_WRITEPERM0); /* all i-write */ } if (cpu_is_omap34xx()) { - __raw_writel(0xFFFF, OMAP34XX_VA_REQINFOPERM0); /* all q-vects */ - __raw_writel(0xFFFF, OMAP34XX_VA_READPERM0); /* all i-read */ - __raw_writel(0xFFFF, OMAP34XX_VA_WRITEPERM0); /* all i-write */ - __raw_writel(0x0, OMAP34XX_VA_ADDR_MATCH2); - __raw_writel(0xFFFFFFFF, OMAP34XX_VA_SMS_RG_ATT0); + writel_relaxed(0xFFFF, OMAP34XX_VA_REQINFOPERM0); /* all q-vects */ + writel_relaxed(0xFFFF, OMAP34XX_VA_READPERM0); /* all i-read */ + writel_relaxed(0xFFFF, OMAP34XX_VA_WRITEPERM0); /* all i-write */ + writel_relaxed(0x0, OMAP34XX_VA_ADDR_MATCH2); + writel_relaxed(0xFFFFFFFF, OMAP34XX_VA_SMS_RG_ATT0); } return 0; } else diff --git a/arch/arm/mach-omap2/timer.c b/arch/arm/mach-omap2/timer.c index 842b81f31957..43d03fbf4c0b 100644 --- a/arch/arm/mach-omap2/timer.c +++ b/arch/arm/mach-omap2/timer.c @@ -546,15 +546,15 @@ static void __init realtime_counter_init(void) } /* Program numerator and denumerator registers */ - reg = __raw_readl(base + INCREMENTER_NUMERATOR_OFFSET) & + reg = readl_relaxed(base + INCREMENTER_NUMERATOR_OFFSET) & NUMERATOR_DENUMERATOR_MASK; reg |= num; - __raw_writel(reg, base + INCREMENTER_NUMERATOR_OFFSET); + writel_relaxed(reg, base + INCREMENTER_NUMERATOR_OFFSET); - reg = __raw_readl(base + INCREMENTER_DENUMERATOR_RELOAD_OFFSET) & + reg = readl_relaxed(base + INCREMENTER_DENUMERATOR_RELOAD_OFFSET) & NUMERATOR_DENUMERATOR_MASK; reg |= den; - __raw_writel(reg, base + INCREMENTER_DENUMERATOR_RELOAD_OFFSET); + writel_relaxed(reg, base + INCREMENTER_DENUMERATOR_RELOAD_OFFSET); arch_timer_freq = (rate / den) * num; set_cntfreq(); diff --git a/arch/arm/mach-omap2/vc.c b/arch/arm/mach-omap2/vc.c index 49ac7977e03e..267f204559c3 100644 --- a/arch/arm/mach-omap2/vc.c +++ b/arch/arm/mach-omap2/vc.c @@ -462,7 +462,7 @@ static void omap4_set_timings(struct voltagedomain *voltdm, bool off_mode) val |= omap4_usec_to_val_scrm(tshut, OMAP4_DOWNTIME_SHIFT, OMAP4_DOWNTIME_MASK); - __raw_writel(val, OMAP4_SCRM_CLKSETUPTIME); + writel_relaxed(val, OMAP4_SCRM_CLKSETUPTIME); } /* OMAP4 specific voltage init functions */ @@ -584,7 +584,7 @@ static void __init omap4_vc_i2c_timing_init(struct voltagedomain *voltdm) val = i2c_data->loadbits << 25 | i2c_data->loadbits << 29; /* Write to SYSCTRL_PADCONF_WKUP_CTRL_I2C_2 to setup I2C pull */ - __raw_writel(val, OMAP2_L4_IO_ADDRESS(OMAP4_CTRL_MODULE_PAD_WKUP + + writel_relaxed(val, OMAP2_L4_IO_ADDRESS(OMAP4_CTRL_MODULE_PAD_WKUP + OMAP4_CTRL_MODULE_PAD_WKUP_CONTROL_I2C_2)); /* HSSCLH can always be zero */ diff --git a/arch/arm/mach-omap2/wd_timer.c b/arch/arm/mach-omap2/wd_timer.c index d15c7bbab8e2..97d6607d447a 100644 --- a/arch/arm/mach-omap2/wd_timer.c +++ b/arch/arm/mach-omap2/wd_timer.c @@ -49,12 +49,12 @@ int omap2_wd_timer_disable(struct omap_hwmod *oh) } /* sequence required to disable watchdog */ - __raw_writel(0xAAAA, base + OMAP_WDT_SPR); - while (__raw_readl(base + OMAP_WDT_WPS) & 0x10) + writel_relaxed(0xAAAA, base + OMAP_WDT_SPR); + while (readl_relaxed(base + OMAP_WDT_WPS) & 0x10) cpu_relax(); - __raw_writel(0x5555, base + OMAP_WDT_SPR); - while (__raw_readl(base + OMAP_WDT_WPS) & 0x10) + writel_relaxed(0x5555, base + OMAP_WDT_SPR); + while (readl_relaxed(base + OMAP_WDT_WPS) & 0x10) cpu_relax(); return 0; diff --git a/arch/arm/mach-prima2/rstc.c b/arch/arm/mach-prima2/rstc.c index 4887a2a4c698..3dffcb2d714e 100644 --- a/arch/arm/mach-prima2/rstc.c +++ b/arch/arm/mach-prima2/rstc.c @@ -36,27 +36,33 @@ static int sirfsoc_reset_module(struct reset_controller_dev *rcdev, if (of_device_is_compatible(rcdev->of_node, "sirf,prima2-rstc")) { /* - * Writing 1 to this bit resets corresponding block. Writing 0 to this - * bit de-asserts reset signal of the corresponding block. - * datasheet doesn't require explicit delay between the set and clear - * of reset bit. it could be shorter if tests pass. + * Writing 1 to this bit resets corresponding block. + * Writing 0 to this bit de-asserts reset signal of the + * corresponding block. datasheet doesn't require explicit + * delay between the set and clear of reset bit. it could + * be shorter if tests pass. */ - writel(readl(sirfsoc_rstc_base + (reset_bit / 32) * 4) | (1 << reset_bit), + writel(readl(sirfsoc_rstc_base + + (reset_bit / 32) * 4) | (1 << reset_bit), sirfsoc_rstc_base + (reset_bit / 32) * 4); - msleep(10); - writel(readl(sirfsoc_rstc_base + (reset_bit / 32) * 4) & ~(1 << reset_bit), + msleep(20); + writel(readl(sirfsoc_rstc_base + + (reset_bit / 32) * 4) & ~(1 << reset_bit), sirfsoc_rstc_base + (reset_bit / 32) * 4); } else { /* * For MARCO and POLO - * Writing 1 to SET register resets corresponding block. Writing 1 to CLEAR - * register de-asserts reset signal of the corresponding block. - * datasheet doesn't require explicit delay between the set and clear - * of reset bit. it could be shorter if tests pass. + * Writing 1 to SET register resets corresponding block. + * Writing 1 to CLEAR register de-asserts reset signal of the + * corresponding block. + * datasheet doesn't require explicit delay between the set and + * clear of reset bit. it could be shorter if tests pass. */ - writel(1 << reset_bit, sirfsoc_rstc_base + (reset_bit / 32) * 8); - msleep(10); - writel(1 << reset_bit, sirfsoc_rstc_base + (reset_bit / 32) * 8 + 4); + writel(1 << reset_bit, + sirfsoc_rstc_base + (reset_bit / 32) * 8); + msleep(20); + writel(1 << reset_bit, + sirfsoc_rstc_base + (reset_bit / 32) * 8 + 4); } mutex_unlock(&rstc_lock); diff --git a/arch/arm/mach-qcom/Kconfig b/arch/arm/mach-qcom/Kconfig index a028be234334..6aa22147cace 100644 --- a/arch/arm/mach-qcom/Kconfig +++ b/arch/arm/mach-qcom/Kconfig @@ -3,8 +3,6 @@ config ARCH_QCOM select ARCH_REQUIRE_GPIOLIB select ARM_GIC select CLKSRC_OF - select GENERIC_CLOCKEVENTS - select HAVE_SMP select QCOM_SCM if SMP help Support for Qualcomm's devicetree based systems. diff --git a/arch/arm/mach-realview/core.c b/arch/arm/mach-realview/core.c index 1d5ee5c9a1dc..960b8dd78c44 100644 --- a/arch/arm/mach-realview/core.c +++ b/arch/arm/mach-realview/core.c @@ -148,6 +148,21 @@ struct platform_device realview_cf_device = { }, }; +static struct resource realview_leds_resources[] = { + { + .start = REALVIEW_SYS_BASE + REALVIEW_SYS_LED_OFFSET, + .end = REALVIEW_SYS_BASE + REALVIEW_SYS_LED_OFFSET + 4, + .flags = IORESOURCE_MEM, + }, +}; + +struct platform_device realview_leds_device = { + .name = "versatile-leds", + .id = -1, + .num_resources = ARRAY_SIZE(realview_leds_resources), + .resource = realview_leds_resources, +}; + static struct resource realview_i2c_resource = { .start = REALVIEW_I2C_BASE, .end = REALVIEW_I2C_BASE + SZ_4K - 1, diff --git a/arch/arm/mach-realview/core.h b/arch/arm/mach-realview/core.h index 602ca5ec52c5..13dc830ef469 100644 --- a/arch/arm/mach-realview/core.h +++ b/arch/arm/mach-realview/core.h @@ -37,6 +37,7 @@ struct machine_desc; extern struct platform_device realview_flash_device; extern struct platform_device realview_cf_device; +extern struct platform_device realview_leds_device; extern struct platform_device realview_i2c_device; extern struct mmci_platform_data realview_mmc0_plat_data; extern struct mmci_platform_data realview_mmc1_plat_data; diff --git a/arch/arm/mach-realview/realview_eb.c b/arch/arm/mach-realview/realview_eb.c index c85ddb2a0ad0..6bb070e80128 100644 --- a/arch/arm/mach-realview/realview_eb.c +++ b/arch/arm/mach-realview/realview_eb.c @@ -452,6 +452,7 @@ static void __init realview_eb_init(void) realview_flash_register(&realview_eb_flash_resource, 1); platform_device_register(&realview_i2c_device); platform_device_register(&char_lcd_device); + platform_device_register(&realview_leds_device); eth_device_register(); realview_usb_register(realview_eb_isp1761_resources); diff --git a/arch/arm/mach-realview/realview_pb1176.c b/arch/arm/mach-realview/realview_pb1176.c index c5eade76461b..173f2c15de49 100644 --- a/arch/arm/mach-realview/realview_pb1176.c +++ b/arch/arm/mach-realview/realview_pb1176.c @@ -367,6 +367,7 @@ static void __init realview_pb1176_init(void) realview_usb_register(realview_pb1176_isp1761_resources); platform_device_register(&pmu_device); platform_device_register(&char_lcd_device); + platform_device_register(&realview_leds_device); for (i = 0; i < ARRAY_SIZE(amba_devs); i++) { struct amba_device *d = amba_devs[i]; diff --git a/arch/arm/mach-realview/realview_pb11mp.c b/arch/arm/mach-realview/realview_pb11mp.c index f4b0962578fe..bde7e6b1fd44 100644 --- a/arch/arm/mach-realview/realview_pb11mp.c +++ b/arch/arm/mach-realview/realview_pb11mp.c @@ -347,6 +347,7 @@ static void __init realview_pb11mp_init(void) realview_eth_register(NULL, realview_pb11mp_smsc911x_resources); platform_device_register(&realview_i2c_device); platform_device_register(&realview_cf_device); + platform_device_register(&realview_leds_device); realview_usb_register(realview_pb11mp_isp1761_resources); platform_device_register(&pmu_device); diff --git a/arch/arm/mach-realview/realview_pba8.c b/arch/arm/mach-realview/realview_pba8.c index 10a3e1d76891..4e57a8599265 100644 --- a/arch/arm/mach-realview/realview_pba8.c +++ b/arch/arm/mach-realview/realview_pba8.c @@ -289,6 +289,7 @@ static void __init realview_pba8_init(void) realview_eth_register(NULL, realview_pba8_smsc911x_resources); platform_device_register(&realview_i2c_device); platform_device_register(&realview_cf_device); + platform_device_register(&realview_leds_device); realview_usb_register(realview_pba8_isp1761_resources); platform_device_register(&pmu_device); diff --git a/arch/arm/mach-realview/realview_pbx.c b/arch/arm/mach-realview/realview_pbx.c index 9d75493e3f0c..72c96caebefa 100644 --- a/arch/arm/mach-realview/realview_pbx.c +++ b/arch/arm/mach-realview/realview_pbx.c @@ -385,6 +385,7 @@ static void __init realview_pbx_init(void) realview_eth_register(NULL, realview_pbx_smsc911x_resources); platform_device_register(&realview_i2c_device); platform_device_register(&realview_cf_device); + platform_device_register(&realview_leds_device); realview_usb_register(realview_pbx_isp1761_resources); for (i = 0; i < ARRAY_SIZE(amba_devs); i++) { diff --git a/arch/arm/mach-s3c24xx/Kconfig b/arch/arm/mach-s3c24xx/Kconfig index 40cf50b9940c..45a7026e9419 100644 --- a/arch/arm/mach-s3c24xx/Kconfig +++ b/arch/arm/mach-s3c24xx/Kconfig @@ -18,6 +18,18 @@ config PLAT_S3C24XX help Base platform code for any Samsung S3C24XX device +config S3C2410_COMMON_CLK + bool + help + Build the s3c2410 clock driver based on the common clock framework. + +config S3C2410_COMMON_DCLK + bool + select REGMAP_MMIO + help + Temporary symbol to build the dclk driver based on the common clock + framework. + menu "SAMSUNG S3C24XX SoCs Support" comment "S3C24XX SoCs" @@ -25,9 +37,9 @@ comment "S3C24XX SoCs" config CPU_S3C2410 bool "SAMSUNG S3C2410" default y + select COMMON_CLK select CPU_ARM920T - select CPU_LLSERIAL_S3C2410 - select S3C2410_CLOCK + select S3C2410_COMMON_CLK select S3C2410_DMA if S3C24XX_DMA select ARM_S3C2410_CPUFREQ if ARM_S3C24XX_CPUFREQ select S3C2410_PM if PM @@ -38,8 +50,9 @@ config CPU_S3C2410 config CPU_S3C2412 bool "SAMSUNG S3C2412" + select COMMON_CLK select CPU_ARM926T - select CPU_LLSERIAL_S3C2440 + select S3C2412_COMMON_CLK select S3C2412_DMA if S3C24XX_DMA select S3C2412_PM if PM help @@ -47,20 +60,19 @@ config CPU_S3C2412 config CPU_S3C2416 bool "SAMSUNG S3C2416/S3C2450" + select COMMON_CLK select CPU_ARM926T - select CPU_LLSERIAL_S3C2440 select S3C2416_PM if PM - select S3C2443_COMMON + select S3C2443_COMMON_CLK select S3C2443_DMA if S3C24XX_DMA - select SAMSUNG_CLKSRC help Support for the S3C2416 SoC from the S3C24XX line config CPU_S3C2440 bool "SAMSUNG S3C2440" + select COMMON_CLK select CPU_ARM920T - select CPU_LLSERIAL_S3C2440 - select S3C2410_CLOCK + select S3C2410_COMMON_CLK select S3C2410_PM if PM select S3C2440_DMA if S3C24XX_DMA help @@ -68,9 +80,9 @@ config CPU_S3C2440 config CPU_S3C2442 bool "SAMSUNG S3C2442" + select COMMON_CLK select CPU_ARM920T - select CPU_LLSERIAL_S3C2440 - select S3C2410_CLOCK + select S3C2410_COMMON_CLK select S3C2410_DMA if S3C24XX_DMA select S3C2410_PM if PM help @@ -83,27 +95,15 @@ config CPU_S3C244X config CPU_S3C2443 bool "SAMSUNG S3C2443" + select COMMON_CLK select CPU_ARM920T - select CPU_LLSERIAL_S3C2440 - select S3C2443_COMMON + select S3C2443_COMMON_CLK select S3C2443_DMA if S3C24XX_DMA - select SAMSUNG_CLKSRC help Support for the S3C2443 SoC from the S3C24XX line # common code -config S3C2410_CLOCK - bool - help - Clock code for the S3C2410, and similar processors which - is currently includes the S3C2410, S3C2440, S3C2442. - -config S3C24XX_DCLK - bool - help - Clock code for supporting DCLK/CLKOUT on S3C24XX architectures - config S3C24XX_SMDK bool help @@ -158,28 +158,6 @@ config S3C2410_PM help Power Management code common to S3C2410 and better -# low-level serial option nodes - -config CPU_LLSERIAL_S3C2410_ONLY - bool - default y if CPU_LLSERIAL_S3C2410 && !CPU_LLSERIAL_S3C2440 - -config CPU_LLSERIAL_S3C2440_ONLY - bool - default y if CPU_LLSERIAL_S3C2440 && !CPU_LLSERIAL_S3C2410 - -config CPU_LLSERIAL_S3C2410 - bool - help - Selected if there is an S3C2410 (or register compatible) serial - low-level implementation needed - -config CPU_LLSERIAL_S3C2440 - bool - help - Selected if there is an S3C2440 (or register compatible) serial - low-level implementation needed - config S3C24XX_PLL bool "Support CPUfreq changing of PLL frequency (EXPERIMENTAL)" depends on ARM_S3C24XX_CPUFREQ @@ -258,8 +236,8 @@ config ARCH_BAST bool "Simtec Electronics BAST (EB2410ITX)" select ISA select MACH_BAST_IDE + select S3C2410_COMMON_DCLK if COMMON_CLK select S3C2410_IOTIMING if ARM_S3C2410_CPUFREQ - select S3C24XX_DCLK select S3C24XX_SIMTEC_NOR select S3C24XX_SIMTEC_PM if PM select S3C24XX_SIMTEC_USB @@ -340,7 +318,7 @@ config MACH_TCT_HAMMER config MACH_VR1000 bool "Thorcom VR1000" select MACH_BAST_IDE - select S3C24XX_DCLK + select S3C2410_COMMON_DCLK if COMMON_CLK select S3C24XX_SIMTEC_NOR select S3C24XX_SIMTEC_PM if PM select S3C24XX_SIMTEC_USB @@ -359,6 +337,11 @@ config S3C2412_PM_SLEEP if CPU_S3C2412 +config S3C2412_COMMON_CLK + bool + help + Build the s3c2412 clock driver based on the common clock framework. + config CPU_S3C2412_ONLY bool depends on !CPU_S3C2410 && !CPU_S3C2416 && !CPU_S3C2440 && \ @@ -519,8 +502,8 @@ comment "S3C2440 Boards" config MACH_ANUBIS bool "Simtec Electronics ANUBIS" select HAVE_PATA_PLATFORM + select S3C2410_COMMON_DCLK if COMMON_CLK select S3C2440_XTAL_12000000 - select S3C24XX_DCLK select S3C24XX_SIMTEC_PM if PM select S3C_DEV_USB_HOST help @@ -558,9 +541,9 @@ config MACH_NEXCODER_2440 config MACH_OSIRIS bool "Simtec IM2440D20 (OSIRIS) module" + select S3C2410_COMMON_DCLK if COMMON_CLK select S3C2410_IOTIMING if ARM_S3C2440_CPUFREQ select S3C2440_XTAL_12000000 - select S3C24XX_DCLK select S3C24XX_SIMTEC_PM if PM select S3C_DEV_NAND select S3C_DEV_USB_HOST @@ -629,9 +612,9 @@ config MACH_RX1950 bool "HP iPAQ rx1950" select I2C select PM_H1940 if PM + select S3C2410_COMMON_DCLK if COMMON_CLK select S3C2410_IOTIMING if ARM_S3C2440_CPUFREQ select S3C2440_XTAL_16934400 - select S3C24XX_DCLK select S3C24XX_PWM select S3C_DEV_NAND help @@ -641,11 +624,11 @@ endif # CPU_S3C2442 if CPU_S3C2443 || CPU_S3C2416 -config S3C2443_COMMON +config S3C2443_COMMON_CLK bool help - Common code for the S3C2443 and similar processors, which includes - the S3C2416 and S3C2450. + Temporary symbol to build the clock driver based on the common clock + framework. config S3C2443_DMA bool diff --git a/arch/arm/mach-s3c24xx/Makefile b/arch/arm/mach-s3c24xx/Makefile index 7f54e5b954ca..2235d0d3b38d 100644 --- a/arch/arm/mach-s3c24xx/Makefile +++ b/arch/arm/mach-s3c24xx/Makefile @@ -21,22 +21,22 @@ obj-$(CONFIG_S3C2410_DMA) += dma-s3c2410.o obj-$(CONFIG_S3C2410_PLL) += pll-s3c2410.o obj-$(CONFIG_S3C2410_PM) += pm-s3c2410.o sleep-s3c2410.o -obj-$(CONFIG_CPU_S3C2412) += s3c2412.o clock-s3c2412.o +obj-$(CONFIG_CPU_S3C2412) += s3c2412.o obj-$(CONFIG_S3C2412_DMA) += dma-s3c2412.o obj-$(CONFIG_S3C2412_PM) += pm-s3c2412.o obj-$(CONFIG_S3C2412_PM_SLEEP) += sleep-s3c2412.o -obj-$(CONFIG_CPU_S3C2416) += s3c2416.o clock-s3c2416.o +obj-$(CONFIG_CPU_S3C2416) += s3c2416.o obj-$(CONFIG_S3C2416_PM) += pm-s3c2416.o -obj-$(CONFIG_CPU_S3C2440) += s3c2440.o clock-s3c2440.o +obj-$(CONFIG_CPU_S3C2440) += s3c2440.o obj-$(CONFIG_CPU_S3C2442) += s3c2442.o -obj-$(CONFIG_CPU_S3C244X) += s3c244x.o clock-s3c244x.o +obj-$(CONFIG_CPU_S3C244X) += s3c244x.o obj-$(CONFIG_S3C2440_DMA) += dma-s3c2440.o obj-$(CONFIG_S3C2440_PLL_12000000) += pll-s3c2440-12000000.o obj-$(CONFIG_S3C2440_PLL_16934400) += pll-s3c2440-16934400.o -obj-$(CONFIG_CPU_S3C2443) += s3c2443.o clock-s3c2443.o +obj-$(CONFIG_CPU_S3C2443) += s3c2443.o # PM @@ -44,16 +44,13 @@ obj-$(CONFIG_PM) += pm.o irq-pm.o sleep.o # common code -obj-$(CONFIG_S3C24XX_DCLK) += clock-dclk.o obj-$(CONFIG_S3C24XX_DMA) += dma.o -obj-$(CONFIG_S3C2410_CLOCK) += clock-s3c2410.o obj-$(CONFIG_S3C2410_CPUFREQ_UTILS) += cpufreq-utils.o obj-$(CONFIG_S3C2410_IOTIMING) += iotiming-s3c2410.o obj-$(CONFIG_S3C2412_IOTIMING) += iotiming-s3c2412.o -obj-$(CONFIG_S3C2443_COMMON) += common-s3c2443.o obj-$(CONFIG_S3C2443_DMA) += dma-s3c2443.o # diff --git a/arch/arm/mach-s3c24xx/clock-dclk.c b/arch/arm/mach-s3c24xx/clock-dclk.c deleted file mode 100644 index 1edd9b2369c5..000000000000 --- a/arch/arm/mach-s3c24xx/clock-dclk.c +++ /dev/null @@ -1,195 +0,0 @@ -/* - * Copyright (c) 2004-2008 Simtec Electronics - * Ben Dooks <ben@simtec.co.uk> - * http://armlinux.simtec.co.uk/ - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - * - * S3C24XX - definitions for DCLK and CLKOUT registers - */ - -#include <linux/kernel.h> -#include <linux/errno.h> -#include <linux/clk.h> -#include <linux/io.h> - -#include <mach/regs-clock.h> -#include <mach/regs-gpio.h> - -#include <plat/clock.h> -#include <plat/cpu.h> - -/* clocks that could be registered by external code */ - -static int s3c24xx_dclk_enable(struct clk *clk, int enable) -{ - unsigned long dclkcon = __raw_readl(S3C24XX_DCLKCON); - - if (enable) - dclkcon |= clk->ctrlbit; - else - dclkcon &= ~clk->ctrlbit; - - __raw_writel(dclkcon, S3C24XX_DCLKCON); - - return 0; -} - -static int s3c24xx_dclk_setparent(struct clk *clk, struct clk *parent) -{ - unsigned long dclkcon; - unsigned int uclk; - - if (parent == &clk_upll) - uclk = 1; - else if (parent == &clk_p) - uclk = 0; - else - return -EINVAL; - - clk->parent = parent; - - dclkcon = __raw_readl(S3C24XX_DCLKCON); - - if (clk->ctrlbit == S3C2410_DCLKCON_DCLK0EN) { - if (uclk) - dclkcon |= S3C2410_DCLKCON_DCLK0_UCLK; - else - dclkcon &= ~S3C2410_DCLKCON_DCLK0_UCLK; - } else { - if (uclk) - dclkcon |= S3C2410_DCLKCON_DCLK1_UCLK; - else - dclkcon &= ~S3C2410_DCLKCON_DCLK1_UCLK; - } - - __raw_writel(dclkcon, S3C24XX_DCLKCON); - - return 0; -} -static unsigned long s3c24xx_calc_div(struct clk *clk, unsigned long rate) -{ - unsigned long div; - - if ((rate == 0) || !clk->parent) - return 0; - - div = clk_get_rate(clk->parent) / rate; - if (div < 2) - div = 2; - else if (div > 16) - div = 16; - - return div; -} - -static unsigned long s3c24xx_round_dclk_rate(struct clk *clk, - unsigned long rate) -{ - unsigned long div = s3c24xx_calc_div(clk, rate); - - if (div == 0) - return 0; - - return clk_get_rate(clk->parent) / div; -} - -static int s3c24xx_set_dclk_rate(struct clk *clk, unsigned long rate) -{ - unsigned long mask, data, div = s3c24xx_calc_div(clk, rate); - - if (div == 0) - return -EINVAL; - - if (clk == &s3c24xx_dclk0) { - mask = S3C2410_DCLKCON_DCLK0_DIV_MASK | - S3C2410_DCLKCON_DCLK0_CMP_MASK; - data = S3C2410_DCLKCON_DCLK0_DIV(div) | - S3C2410_DCLKCON_DCLK0_CMP((div + 1) / 2); - } else if (clk == &s3c24xx_dclk1) { - mask = S3C2410_DCLKCON_DCLK1_DIV_MASK | - S3C2410_DCLKCON_DCLK1_CMP_MASK; - data = S3C2410_DCLKCON_DCLK1_DIV(div) | - S3C2410_DCLKCON_DCLK1_CMP((div + 1) / 2); - } else - return -EINVAL; - - clk->rate = clk_get_rate(clk->parent) / div; - __raw_writel(((__raw_readl(S3C24XX_DCLKCON) & ~mask) | data), - S3C24XX_DCLKCON); - return clk->rate; -} -static int s3c24xx_clkout_setparent(struct clk *clk, struct clk *parent) -{ - unsigned long mask; - unsigned long source; - - /* calculate the MISCCR setting for the clock */ - - if (parent == &clk_mpll) - source = S3C2410_MISCCR_CLK0_MPLL; - else if (parent == &clk_upll) - source = S3C2410_MISCCR_CLK0_UPLL; - else if (parent == &clk_f) - source = S3C2410_MISCCR_CLK0_FCLK; - else if (parent == &clk_h) - source = S3C2410_MISCCR_CLK0_HCLK; - else if (parent == &clk_p) - source = S3C2410_MISCCR_CLK0_PCLK; - else if (clk == &s3c24xx_clkout0 && parent == &s3c24xx_dclk0) - source = S3C2410_MISCCR_CLK0_DCLK0; - else if (clk == &s3c24xx_clkout1 && parent == &s3c24xx_dclk1) - source = S3C2410_MISCCR_CLK0_DCLK0; - else - return -EINVAL; - - clk->parent = parent; - - if (clk == &s3c24xx_clkout0) - mask = S3C2410_MISCCR_CLK0_MASK; - else { - source <<= 4; - mask = S3C2410_MISCCR_CLK1_MASK; - } - - s3c2410_modify_misccr(mask, source); - return 0; -} - -/* external clock definitions */ - -static struct clk_ops dclk_ops = { - .set_parent = s3c24xx_dclk_setparent, - .set_rate = s3c24xx_set_dclk_rate, - .round_rate = s3c24xx_round_dclk_rate, -}; - -struct clk s3c24xx_dclk0 = { - .name = "dclk0", - .ctrlbit = S3C2410_DCLKCON_DCLK0EN, - .enable = s3c24xx_dclk_enable, - .ops = &dclk_ops, -}; - -struct clk s3c24xx_dclk1 = { - .name = "dclk1", - .ctrlbit = S3C2410_DCLKCON_DCLK1EN, - .enable = s3c24xx_dclk_enable, - .ops = &dclk_ops, -}; - -static struct clk_ops clkout_ops = { - .set_parent = s3c24xx_clkout_setparent, -}; - -struct clk s3c24xx_clkout0 = { - .name = "clkout0", - .ops = &clkout_ops, -}; - -struct clk s3c24xx_clkout1 = { - .name = "clkout1", - .ops = &clkout_ops, -}; diff --git a/arch/arm/mach-s3c24xx/clock-s3c2410.c b/arch/arm/mach-s3c24xx/clock-s3c2410.c deleted file mode 100644 index d1afcf9252d1..000000000000 --- a/arch/arm/mach-s3c24xx/clock-s3c2410.c +++ /dev/null @@ -1,284 +0,0 @@ -/* - * Copyright (c) 2006 Simtec Electronics - * Ben Dooks <ben@simtec.co.uk> - * - * S3C2410,S3C2440,S3C2442 Clock control support - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA -*/ - -#include <linux/init.h> -#include <linux/module.h> -#include <linux/kernel.h> -#include <linux/list.h> -#include <linux/errno.h> -#include <linux/err.h> -#include <linux/device.h> -#include <linux/clk.h> -#include <linux/mutex.h> -#include <linux/delay.h> -#include <linux/serial_core.h> -#include <linux/serial_s3c.h> -#include <linux/io.h> - -#include <asm/mach/map.h> - -#include <mach/hardware.h> -#include <mach/regs-clock.h> -#include <mach/regs-gpio.h> - -#include <plat/clock.h> -#include <plat/cpu.h> - -int s3c2410_clkcon_enable(struct clk *clk, int enable) -{ - unsigned int clocks = clk->ctrlbit; - unsigned long clkcon; - - clkcon = __raw_readl(S3C2410_CLKCON); - - if (enable) - clkcon |= clocks; - else - clkcon &= ~clocks; - - /* ensure none of the special function bits set */ - clkcon &= ~(S3C2410_CLKCON_IDLE|S3C2410_CLKCON_POWER); - - __raw_writel(clkcon, S3C2410_CLKCON); - - return 0; -} - -static int s3c2410_upll_enable(struct clk *clk, int enable) -{ - unsigned long clkslow = __raw_readl(S3C2410_CLKSLOW); - unsigned long orig = clkslow; - - if (enable) - clkslow &= ~S3C2410_CLKSLOW_UCLK_OFF; - else - clkslow |= S3C2410_CLKSLOW_UCLK_OFF; - - __raw_writel(clkslow, S3C2410_CLKSLOW); - - /* if we started the UPLL, then allow to settle */ - - if (enable && (orig & S3C2410_CLKSLOW_UCLK_OFF)) - udelay(200); - - return 0; -} - -/* standard clock definitions */ - -static struct clk init_clocks_off[] = { - { - .name = "nand", - .parent = &clk_h, - .enable = s3c2410_clkcon_enable, - .ctrlbit = S3C2410_CLKCON_NAND, - }, { - .name = "sdi", - .parent = &clk_p, - .enable = s3c2410_clkcon_enable, - .ctrlbit = S3C2410_CLKCON_SDI, - }, { - .name = "adc", - .parent = &clk_p, - .enable = s3c2410_clkcon_enable, - .ctrlbit = S3C2410_CLKCON_ADC, - }, { - .name = "i2c", - .parent = &clk_p, - .enable = s3c2410_clkcon_enable, - .ctrlbit = S3C2410_CLKCON_IIC, - }, { - .name = "iis", - .parent = &clk_p, - .enable = s3c2410_clkcon_enable, - .ctrlbit = S3C2410_CLKCON_IIS, - }, { - .name = "spi", - .parent = &clk_p, - .enable = s3c2410_clkcon_enable, - .ctrlbit = S3C2410_CLKCON_SPI, - } -}; - -static struct clk clk_lcd = { - .name = "lcd", - .parent = &clk_h, - .enable = s3c2410_clkcon_enable, - .ctrlbit = S3C2410_CLKCON_LCDC, -}; - -static struct clk clk_gpio = { - .name = "gpio", - .parent = &clk_p, - .enable = s3c2410_clkcon_enable, - .ctrlbit = S3C2410_CLKCON_GPIO, -}; - -static struct clk clk_usb_host = { - .name = "usb-host", - .parent = &clk_h, - .enable = s3c2410_clkcon_enable, - .ctrlbit = S3C2410_CLKCON_USBH, -}; - -static struct clk clk_usb_device = { - .name = "usb-device", - .parent = &clk_h, - .enable = s3c2410_clkcon_enable, - .ctrlbit = S3C2410_CLKCON_USBD, -}; - -static struct clk clk_timers = { - .name = "timers", - .parent = &clk_p, - .enable = s3c2410_clkcon_enable, - .ctrlbit = S3C2410_CLKCON_PWMT, -}; - -struct clk s3c24xx_clk_uart0 = { - .name = "uart", - .devname = "s3c2410-uart.0", - .parent = &clk_p, - .enable = s3c2410_clkcon_enable, - .ctrlbit = S3C2410_CLKCON_UART0, -}; - -struct clk s3c24xx_clk_uart1 = { - .name = "uart", - .devname = "s3c2410-uart.1", - .parent = &clk_p, - .enable = s3c2410_clkcon_enable, - .ctrlbit = S3C2410_CLKCON_UART1, -}; - -struct clk s3c24xx_clk_uart2 = { - .name = "uart", - .devname = "s3c2410-uart.2", - .parent = &clk_p, - .enable = s3c2410_clkcon_enable, - .ctrlbit = S3C2410_CLKCON_UART2, -}; - -static struct clk clk_rtc = { - .name = "rtc", - .parent = &clk_p, - .enable = s3c2410_clkcon_enable, - .ctrlbit = S3C2410_CLKCON_RTC, -}; - -static struct clk clk_watchdog = { - .name = "watchdog", - .parent = &clk_p, - .ctrlbit = 0, -}; - -static struct clk clk_usb_bus_host = { - .name = "usb-bus-host", - .parent = &clk_usb_bus, -}; - -static struct clk clk_usb_bus_gadget = { - .name = "usb-bus-gadget", - .parent = &clk_usb_bus, -}; - -static struct clk *init_clocks[] = { - &clk_lcd, - &clk_gpio, - &clk_usb_host, - &clk_usb_device, - &clk_timers, - &s3c24xx_clk_uart0, - &s3c24xx_clk_uart1, - &s3c24xx_clk_uart2, - &clk_rtc, - &clk_watchdog, - &clk_usb_bus_host, - &clk_usb_bus_gadget, -}; - -/* s3c2410_baseclk_add() - * - * Add all the clocks used by the s3c2410 or compatible CPUs - * such as the S3C2440 and S3C2442. - * - * We cannot use a system device as we are needed before any - * of the init-calls that initialise the devices are actually - * done. -*/ - -int __init s3c2410_baseclk_add(void) -{ - unsigned long clkslow = __raw_readl(S3C2410_CLKSLOW); - unsigned long clkcon = __raw_readl(S3C2410_CLKCON); - struct clk *xtal; - int ret; - int ptr; - - clk_upll.enable = s3c2410_upll_enable; - - if (s3c24xx_register_clock(&clk_usb_bus) < 0) - printk(KERN_ERR "failed to register usb bus clock\n"); - - /* register clocks from clock array */ - - for (ptr = 0; ptr < ARRAY_SIZE(init_clocks); ptr++) { - struct clk *clkp = init_clocks[ptr]; - - /* ensure that we note the clock state */ - - clkp->usage = clkcon & clkp->ctrlbit ? 1 : 0; - - ret = s3c24xx_register_clock(clkp); - if (ret < 0) { - printk(KERN_ERR "Failed to register clock %s (%d)\n", - clkp->name, ret); - } - } - - /* We must be careful disabling the clocks we are not intending to - * be using at boot time, as subsystems such as the LCD which do - * their own DMA requests to the bus can cause the system to lockup - * if they where in the middle of requesting bus access. - * - * Disabling the LCD clock if the LCD is active is very dangerous, - * and therefore the bootloader should be careful to not enable - * the LCD clock if it is not needed. - */ - - /* install (and disable) the clocks we do not need immediately */ - - s3c_register_clocks(init_clocks_off, ARRAY_SIZE(init_clocks_off)); - s3c_disable_clocks(init_clocks_off, ARRAY_SIZE(init_clocks_off)); - - /* show the clock-slow value */ - - xtal = clk_get(NULL, "xtal"); - - printk("CLOCK: Slow mode (%ld.%ld MHz), %s, MPLL %s, UPLL %s\n", - print_mhz(clk_get_rate(xtal) / - ( 2 * S3C2410_CLKSLOW_GET_SLOWVAL(clkslow))), - (clkslow & S3C2410_CLKSLOW_SLOW) ? "slow" : "fast", - (clkslow & S3C2410_CLKSLOW_MPLL_OFF) ? "off" : "on", - (clkslow & S3C2410_CLKSLOW_UCLK_OFF) ? "off" : "on"); - - return 0; -} diff --git a/arch/arm/mach-s3c24xx/clock-s3c2412.c b/arch/arm/mach-s3c24xx/clock-s3c2412.c deleted file mode 100644 index 192a5b2550b0..000000000000 --- a/arch/arm/mach-s3c24xx/clock-s3c2412.c +++ /dev/null @@ -1,760 +0,0 @@ -/* linux/arch/arm/mach-s3c2412/clock.c - * - * Copyright (c) 2006 Simtec Electronics - * Ben Dooks <ben@simtec.co.uk> - * - * S3C2412,S3C2413 Clock control support - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA -*/ - -#include <linux/init.h> -#include <linux/module.h> -#include <linux/kernel.h> -#include <linux/list.h> -#include <linux/errno.h> -#include <linux/err.h> -#include <linux/device.h> -#include <linux/clk.h> -#include <linux/mutex.h> -#include <linux/delay.h> -#include <linux/serial_core.h> -#include <linux/serial_s3c.h> -#include <linux/io.h> - -#include <asm/mach/map.h> - -#include <mach/hardware.h> -#include <mach/regs-clock.h> -#include <mach/regs-gpio.h> - -#include <plat/clock.h> -#include <plat/cpu.h> - -/* We currently have to assume that the system is running - * from the XTPll input, and that all ***REFCLKs are being - * fed from it, as we cannot read the state of OM[4] from - * software. - * - * It would be possible for each board initialisation to - * set the correct muxing at initialisation -*/ - -static int s3c2412_clkcon_enable(struct clk *clk, int enable) -{ - unsigned int clocks = clk->ctrlbit; - unsigned long clkcon; - - clkcon = __raw_readl(S3C2410_CLKCON); - - if (enable) - clkcon |= clocks; - else - clkcon &= ~clocks; - - __raw_writel(clkcon, S3C2410_CLKCON); - - return 0; -} - -static int s3c2412_upll_enable(struct clk *clk, int enable) -{ - unsigned long upllcon = __raw_readl(S3C2410_UPLLCON); - unsigned long orig = upllcon; - - if (!enable) - upllcon |= S3C2412_PLLCON_OFF; - else - upllcon &= ~S3C2412_PLLCON_OFF; - - __raw_writel(upllcon, S3C2410_UPLLCON); - - /* allow ~150uS for the PLL to settle and lock */ - - if (enable && (orig & S3C2412_PLLCON_OFF)) - udelay(150); - - return 0; -} - -/* clock selections */ - -static struct clk clk_erefclk = { - .name = "erefclk", -}; - -static struct clk clk_urefclk = { - .name = "urefclk", -}; - -static int s3c2412_setparent_usysclk(struct clk *clk, struct clk *parent) -{ - unsigned long clksrc = __raw_readl(S3C2412_CLKSRC); - - if (parent == &clk_urefclk) - clksrc &= ~S3C2412_CLKSRC_USYSCLK_UPLL; - else if (parent == &clk_upll) - clksrc |= S3C2412_CLKSRC_USYSCLK_UPLL; - else - return -EINVAL; - - clk->parent = parent; - - __raw_writel(clksrc, S3C2412_CLKSRC); - return 0; -} - -static struct clk clk_usysclk = { - .name = "usysclk", - .parent = &clk_xtal, - .ops = &(struct clk_ops) { - .set_parent = s3c2412_setparent_usysclk, - }, -}; - -static struct clk clk_mrefclk = { - .name = "mrefclk", - .parent = &clk_xtal, -}; - -static struct clk clk_mdivclk = { - .name = "mdivclk", - .parent = &clk_xtal, -}; - -static int s3c2412_setparent_usbsrc(struct clk *clk, struct clk *parent) -{ - unsigned long clksrc = __raw_readl(S3C2412_CLKSRC); - - if (parent == &clk_usysclk) - clksrc &= ~S3C2412_CLKSRC_USBCLK_HCLK; - else if (parent == &clk_h) - clksrc |= S3C2412_CLKSRC_USBCLK_HCLK; - else - return -EINVAL; - - clk->parent = parent; - - __raw_writel(clksrc, S3C2412_CLKSRC); - return 0; -} - -static unsigned long s3c2412_roundrate_usbsrc(struct clk *clk, - unsigned long rate) -{ - unsigned long parent_rate = clk_get_rate(clk->parent); - int div; - - if (rate > parent_rate) - return parent_rate; - - div = parent_rate / rate; - if (div > 2) - div = 2; - - return parent_rate / div; -} - -static unsigned long s3c2412_getrate_usbsrc(struct clk *clk) -{ - unsigned long parent_rate = clk_get_rate(clk->parent); - unsigned long div = __raw_readl(S3C2410_CLKDIVN); - - return parent_rate / ((div & S3C2412_CLKDIVN_USB48DIV) ? 2 : 1); -} - -static int s3c2412_setrate_usbsrc(struct clk *clk, unsigned long rate) -{ - unsigned long parent_rate = clk_get_rate(clk->parent); - unsigned long clkdivn = __raw_readl(S3C2410_CLKDIVN); - - rate = s3c2412_roundrate_usbsrc(clk, rate); - - if ((parent_rate / rate) == 2) - clkdivn |= S3C2412_CLKDIVN_USB48DIV; - else - clkdivn &= ~S3C2412_CLKDIVN_USB48DIV; - - __raw_writel(clkdivn, S3C2410_CLKDIVN); - return 0; -} - -static struct clk clk_usbsrc = { - .name = "usbsrc", - .ops = &(struct clk_ops) { - .get_rate = s3c2412_getrate_usbsrc, - .set_rate = s3c2412_setrate_usbsrc, - .round_rate = s3c2412_roundrate_usbsrc, - .set_parent = s3c2412_setparent_usbsrc, - }, -}; - -static int s3c2412_setparent_msysclk(struct clk *clk, struct clk *parent) -{ - unsigned long clksrc = __raw_readl(S3C2412_CLKSRC); - - if (parent == &clk_mdivclk) - clksrc &= ~S3C2412_CLKSRC_MSYSCLK_MPLL; - else if (parent == &clk_mpll) - clksrc |= S3C2412_CLKSRC_MSYSCLK_MPLL; - else - return -EINVAL; - - clk->parent = parent; - - __raw_writel(clksrc, S3C2412_CLKSRC); - return 0; -} - -static struct clk clk_msysclk = { - .name = "msysclk", - .ops = &(struct clk_ops) { - .set_parent = s3c2412_setparent_msysclk, - }, -}; - -static int s3c2412_setparent_armclk(struct clk *clk, struct clk *parent) -{ - unsigned long flags; - unsigned long clkdiv; - unsigned long dvs; - - /* Note, we current equate fclk andf msysclk for S3C2412 */ - - if (parent == &clk_msysclk || parent == &clk_f) - dvs = 0; - else if (parent == &clk_h) - dvs = S3C2412_CLKDIVN_DVSEN; - else - return -EINVAL; - - clk->parent = parent; - - /* update this under irq lockdown, clkdivn is not protected - * by the clock system. */ - - local_irq_save(flags); - - clkdiv = __raw_readl(S3C2410_CLKDIVN); - clkdiv &= ~S3C2412_CLKDIVN_DVSEN; - clkdiv |= dvs; - __raw_writel(clkdiv, S3C2410_CLKDIVN); - - local_irq_restore(flags); - - return 0; -} - -static struct clk clk_armclk = { - .name = "armclk", - .parent = &clk_msysclk, - .ops = &(struct clk_ops) { - .set_parent = s3c2412_setparent_armclk, - }, -}; - -/* these next clocks have an divider immediately after them, - * so we can register them with their divider and leave out the - * intermediate clock stage -*/ -static unsigned long s3c2412_roundrate_clksrc(struct clk *clk, - unsigned long rate) -{ - unsigned long parent_rate = clk_get_rate(clk->parent); - int div; - - if (rate > parent_rate) - return parent_rate; - - /* note, we remove the +/- 1 calculations as they cancel out */ - - div = (rate / parent_rate); - - if (div < 1) - div = 1; - else if (div > 16) - div = 16; - - return parent_rate / div; -} - -static int s3c2412_setparent_uart(struct clk *clk, struct clk *parent) -{ - unsigned long clksrc = __raw_readl(S3C2412_CLKSRC); - - if (parent == &clk_erefclk) - clksrc &= ~S3C2412_CLKSRC_UARTCLK_MPLL; - else if (parent == &clk_mpll) - clksrc |= S3C2412_CLKSRC_UARTCLK_MPLL; - else - return -EINVAL; - - clk->parent = parent; - - __raw_writel(clksrc, S3C2412_CLKSRC); - return 0; -} - -static unsigned long s3c2412_getrate_uart(struct clk *clk) -{ - unsigned long parent_rate = clk_get_rate(clk->parent); - unsigned long div = __raw_readl(S3C2410_CLKDIVN); - - div &= S3C2412_CLKDIVN_UARTDIV_MASK; - div >>= S3C2412_CLKDIVN_UARTDIV_SHIFT; - - return parent_rate / (div + 1); -} - -static int s3c2412_setrate_uart(struct clk *clk, unsigned long rate) -{ - unsigned long parent_rate = clk_get_rate(clk->parent); - unsigned long clkdivn = __raw_readl(S3C2410_CLKDIVN); - - rate = s3c2412_roundrate_clksrc(clk, rate); - - clkdivn &= ~S3C2412_CLKDIVN_UARTDIV_MASK; - clkdivn |= ((parent_rate / rate) - 1) << S3C2412_CLKDIVN_UARTDIV_SHIFT; - - __raw_writel(clkdivn, S3C2410_CLKDIVN); - return 0; -} - -static struct clk clk_uart = { - .name = "uartclk", - .ops = &(struct clk_ops) { - .get_rate = s3c2412_getrate_uart, - .set_rate = s3c2412_setrate_uart, - .set_parent = s3c2412_setparent_uart, - .round_rate = s3c2412_roundrate_clksrc, - }, -}; - -static int s3c2412_setparent_i2s(struct clk *clk, struct clk *parent) -{ - unsigned long clksrc = __raw_readl(S3C2412_CLKSRC); - - if (parent == &clk_erefclk) - clksrc &= ~S3C2412_CLKSRC_I2SCLK_MPLL; - else if (parent == &clk_mpll) - clksrc |= S3C2412_CLKSRC_I2SCLK_MPLL; - else - return -EINVAL; - - clk->parent = parent; - - __raw_writel(clksrc, S3C2412_CLKSRC); - return 0; -} - -static unsigned long s3c2412_getrate_i2s(struct clk *clk) -{ - unsigned long parent_rate = clk_get_rate(clk->parent); - unsigned long div = __raw_readl(S3C2410_CLKDIVN); - - div &= S3C2412_CLKDIVN_I2SDIV_MASK; - div >>= S3C2412_CLKDIVN_I2SDIV_SHIFT; - - return parent_rate / (div + 1); -} - -static int s3c2412_setrate_i2s(struct clk *clk, unsigned long rate) -{ - unsigned long parent_rate = clk_get_rate(clk->parent); - unsigned long clkdivn = __raw_readl(S3C2410_CLKDIVN); - - rate = s3c2412_roundrate_clksrc(clk, rate); - - clkdivn &= ~S3C2412_CLKDIVN_I2SDIV_MASK; - clkdivn |= ((parent_rate / rate) - 1) << S3C2412_CLKDIVN_I2SDIV_SHIFT; - - __raw_writel(clkdivn, S3C2410_CLKDIVN); - return 0; -} - -static struct clk clk_i2s = { - .name = "i2sclk", - .ops = &(struct clk_ops) { - .get_rate = s3c2412_getrate_i2s, - .set_rate = s3c2412_setrate_i2s, - .set_parent = s3c2412_setparent_i2s, - .round_rate = s3c2412_roundrate_clksrc, - }, -}; - -static int s3c2412_setparent_cam(struct clk *clk, struct clk *parent) -{ - unsigned long clksrc = __raw_readl(S3C2412_CLKSRC); - - if (parent == &clk_usysclk) - clksrc &= ~S3C2412_CLKSRC_CAMCLK_HCLK; - else if (parent == &clk_h) - clksrc |= S3C2412_CLKSRC_CAMCLK_HCLK; - else - return -EINVAL; - - clk->parent = parent; - - __raw_writel(clksrc, S3C2412_CLKSRC); - return 0; -} -static unsigned long s3c2412_getrate_cam(struct clk *clk) -{ - unsigned long parent_rate = clk_get_rate(clk->parent); - unsigned long div = __raw_readl(S3C2410_CLKDIVN); - - div &= S3C2412_CLKDIVN_CAMDIV_MASK; - div >>= S3C2412_CLKDIVN_CAMDIV_SHIFT; - - return parent_rate / (div + 1); -} - -static int s3c2412_setrate_cam(struct clk *clk, unsigned long rate) -{ - unsigned long parent_rate = clk_get_rate(clk->parent); - unsigned long clkdivn = __raw_readl(S3C2410_CLKDIVN); - - rate = s3c2412_roundrate_clksrc(clk, rate); - - clkdivn &= ~S3C2412_CLKDIVN_CAMDIV_MASK; - clkdivn |= ((parent_rate / rate) - 1) << S3C2412_CLKDIVN_CAMDIV_SHIFT; - - __raw_writel(clkdivn, S3C2410_CLKDIVN); - return 0; -} - -static struct clk clk_cam = { - .name = "camif-upll", /* same as 2440 name */ - .ops = &(struct clk_ops) { - .get_rate = s3c2412_getrate_cam, - .set_rate = s3c2412_setrate_cam, - .set_parent = s3c2412_setparent_cam, - .round_rate = s3c2412_roundrate_clksrc, - }, -}; - -/* standard clock definitions */ - -static struct clk init_clocks_disable[] = { - { - .name = "nand", - .parent = &clk_h, - .enable = s3c2412_clkcon_enable, - .ctrlbit = S3C2412_CLKCON_NAND, - }, { - .name = "sdi", - .parent = &clk_p, - .enable = s3c2412_clkcon_enable, - .ctrlbit = S3C2412_CLKCON_SDI, - }, { - .name = "adc", - .parent = &clk_p, - .enable = s3c2412_clkcon_enable, - .ctrlbit = S3C2412_CLKCON_ADC, - }, { - .name = "i2c", - .parent = &clk_p, - .enable = s3c2412_clkcon_enable, - .ctrlbit = S3C2412_CLKCON_IIC, - }, { - .name = "iis", - .parent = &clk_p, - .enable = s3c2412_clkcon_enable, - .ctrlbit = S3C2412_CLKCON_IIS, - }, { - .name = "spi", - .parent = &clk_p, - .enable = s3c2412_clkcon_enable, - .ctrlbit = S3C2412_CLKCON_SPI, - } -}; - -static struct clk init_clocks[] = { - { - .name = "dma.0", - .parent = &clk_h, - .enable = s3c2412_clkcon_enable, - .ctrlbit = S3C2412_CLKCON_DMA0, - }, { - .name = "dma.1", - .parent = &clk_h, - .enable = s3c2412_clkcon_enable, - .ctrlbit = S3C2412_CLKCON_DMA1, - }, { - .name = "dma.2", - .parent = &clk_h, - .enable = s3c2412_clkcon_enable, - .ctrlbit = S3C2412_CLKCON_DMA2, - }, { - .name = "dma.3", - .parent = &clk_h, - .enable = s3c2412_clkcon_enable, - .ctrlbit = S3C2412_CLKCON_DMA3, - }, { - .name = "lcd", - .parent = &clk_h, - .enable = s3c2412_clkcon_enable, - .ctrlbit = S3C2412_CLKCON_LCDC, - }, { - .name = "gpio", - .parent = &clk_p, - .enable = s3c2412_clkcon_enable, - .ctrlbit = S3C2412_CLKCON_GPIO, - }, { - .name = "usb-host", - .parent = &clk_h, - .enable = s3c2412_clkcon_enable, - .ctrlbit = S3C2412_CLKCON_USBH, - }, { - .name = "usb-device", - .parent = &clk_h, - .enable = s3c2412_clkcon_enable, - .ctrlbit = S3C2412_CLKCON_USBD, - }, { - .name = "timers", - .parent = &clk_p, - .enable = s3c2412_clkcon_enable, - .ctrlbit = S3C2412_CLKCON_PWMT, - }, { - .name = "uart", - .devname = "s3c2412-uart.0", - .parent = &clk_p, - .enable = s3c2412_clkcon_enable, - .ctrlbit = S3C2412_CLKCON_UART0, - }, { - .name = "uart", - .devname = "s3c2412-uart.1", - .parent = &clk_p, - .enable = s3c2412_clkcon_enable, - .ctrlbit = S3C2412_CLKCON_UART1, - }, { - .name = "uart", - .devname = "s3c2412-uart.2", - .parent = &clk_p, - .enable = s3c2412_clkcon_enable, - .ctrlbit = S3C2412_CLKCON_UART2, - }, { - .name = "rtc", - .parent = &clk_p, - .enable = s3c2412_clkcon_enable, - .ctrlbit = S3C2412_CLKCON_RTC, - }, { - .name = "watchdog", - .parent = &clk_p, - .ctrlbit = 0, - }, { - .name = "usb-bus-gadget", - .parent = &clk_usb_bus, - .enable = s3c2412_clkcon_enable, - .ctrlbit = S3C2412_CLKCON_USB_DEV48, - }, { - .name = "usb-bus-host", - .parent = &clk_usb_bus, - .enable = s3c2412_clkcon_enable, - .ctrlbit = S3C2412_CLKCON_USB_HOST48, - } -}; - -/* clocks to add where we need to check their parentage */ - -struct clk_init { - struct clk *clk; - unsigned int bit; - struct clk *src_0; - struct clk *src_1; -}; - -static struct clk_init clks_src[] __initdata = { - { - .clk = &clk_usysclk, - .bit = S3C2412_CLKSRC_USBCLK_HCLK, - .src_0 = &clk_urefclk, - .src_1 = &clk_upll, - }, { - .clk = &clk_i2s, - .bit = S3C2412_CLKSRC_I2SCLK_MPLL, - .src_0 = &clk_erefclk, - .src_1 = &clk_mpll, - }, { - .clk = &clk_cam, - .bit = S3C2412_CLKSRC_CAMCLK_HCLK, - .src_0 = &clk_usysclk, - .src_1 = &clk_h, - }, { - .clk = &clk_msysclk, - .bit = S3C2412_CLKSRC_MSYSCLK_MPLL, - .src_0 = &clk_mdivclk, - .src_1 = &clk_mpll, - }, { - .clk = &clk_uart, - .bit = S3C2412_CLKSRC_UARTCLK_MPLL, - .src_0 = &clk_erefclk, - .src_1 = &clk_mpll, - }, { - .clk = &clk_usbsrc, - .bit = S3C2412_CLKSRC_USBCLK_HCLK, - .src_0 = &clk_usysclk, - .src_1 = &clk_h, - /* here we assume OM[4] select xtal */ - }, { - .clk = &clk_erefclk, - .bit = S3C2412_CLKSRC_EREFCLK_EXTCLK, - .src_0 = &clk_xtal, - .src_1 = &clk_ext, - }, { - .clk = &clk_urefclk, - .bit = S3C2412_CLKSRC_UREFCLK_EXTCLK, - .src_0 = &clk_xtal, - .src_1 = &clk_ext, - }, -}; - -/* s3c2412_clk_initparents - * - * Initialise the parents for the clocks that we get at start-time -*/ - -static void __init s3c2412_clk_initparents(void) -{ - unsigned long clksrc = __raw_readl(S3C2412_CLKSRC); - struct clk_init *cip = clks_src; - struct clk *src; - int ptr; - int ret; - - for (ptr = 0; ptr < ARRAY_SIZE(clks_src); ptr++, cip++) { - ret = s3c24xx_register_clock(cip->clk); - if (ret < 0) { - printk(KERN_ERR "Failed to register clock %s (%d)\n", - cip->clk->name, ret); - } - - src = (clksrc & cip->bit) ? cip->src_1 : cip->src_0; - - printk(KERN_INFO "%s: parent %s\n", cip->clk->name, src->name); - clk_set_parent(cip->clk, src); - } -} - -/* clocks to add straight away */ - -static struct clk *clks[] __initdata = { - &clk_ext, - &clk_usb_bus, - &clk_mrefclk, - &clk_armclk, -}; - -static struct clk_lookup s3c2412_clk_lookup[] = { - CLKDEV_INIT(NULL, "clk_uart_baud1", &s3c24xx_uclk), - CLKDEV_INIT(NULL, "clk_uart_baud2", &clk_p), - CLKDEV_INIT(NULL, "clk_uart_baud3", &clk_usysclk), -}; - -int __init s3c2412_baseclk_add(void) -{ - unsigned long clkcon = __raw_readl(S3C2410_CLKCON); - unsigned int dvs; - struct clk *clkp; - int ret; - int ptr; - - clk_upll.enable = s3c2412_upll_enable; - clk_usb_bus.parent = &clk_usbsrc; - clk_usb_bus.rate = 0x0; - - clk_f.parent = &clk_msysclk; - - s3c2412_clk_initparents(); - - for (ptr = 0; ptr < ARRAY_SIZE(clks); ptr++) { - clkp = clks[ptr]; - - ret = s3c24xx_register_clock(clkp); - if (ret < 0) { - printk(KERN_ERR "Failed to register clock %s (%d)\n", - clkp->name, ret); - } - } - - /* set the dvs state according to what we got at boot time */ - - dvs = __raw_readl(S3C2410_CLKDIVN) & S3C2412_CLKDIVN_DVSEN; - - if (dvs) - clk_armclk.parent = &clk_h; - - printk(KERN_INFO "S3C2412: DVS is %s\n", dvs ? "on" : "off"); - - /* ensure usb bus clock is within correct rate of 48MHz */ - - if (clk_get_rate(&clk_usb_bus) != (48 * 1000 * 1000)) { - printk(KERN_INFO "Warning: USB bus clock not at 48MHz\n"); - - /* for the moment, let's use the UPLL, and see if we can - * get 48MHz */ - - clk_set_parent(&clk_usysclk, &clk_upll); - clk_set_parent(&clk_usbsrc, &clk_usysclk); - clk_set_rate(&clk_usbsrc, 48*1000*1000); - } - - printk("S3C2412: upll %s, %ld.%03ld MHz, usb-bus %ld.%03ld MHz\n", - (__raw_readl(S3C2410_UPLLCON) & S3C2412_PLLCON_OFF) ? "off":"on", - print_mhz(clk_get_rate(&clk_upll)), - print_mhz(clk_get_rate(&clk_usb_bus))); - - /* register clocks from clock array */ - - clkp = init_clocks; - for (ptr = 0; ptr < ARRAY_SIZE(init_clocks); ptr++, clkp++) { - /* ensure that we note the clock state */ - - clkp->usage = clkcon & clkp->ctrlbit ? 1 : 0; - - ret = s3c24xx_register_clock(clkp); - if (ret < 0) { - printk(KERN_ERR "Failed to register clock %s (%d)\n", - clkp->name, ret); - } - } - - /* We must be careful disabling the clocks we are not intending to - * be using at boot time, as subsystems such as the LCD which do - * their own DMA requests to the bus can cause the system to lockup - * if they where in the middle of requesting bus access. - * - * Disabling the LCD clock if the LCD is active is very dangerous, - * and therefore the bootloader should be careful to not enable - * the LCD clock if it is not needed. - */ - - /* install (and disable) the clocks we do not need immediately */ - - clkp = init_clocks_disable; - for (ptr = 0; ptr < ARRAY_SIZE(init_clocks_disable); ptr++, clkp++) { - - ret = s3c24xx_register_clock(clkp); - if (ret < 0) { - printk(KERN_ERR "Failed to register clock %s (%d)\n", - clkp->name, ret); - } - - s3c2412_clkcon_enable(clkp, 0); - } - - clkdev_add_table(s3c2412_clk_lookup, ARRAY_SIZE(s3c2412_clk_lookup)); - return 0; -} diff --git a/arch/arm/mach-s3c24xx/clock-s3c2416.c b/arch/arm/mach-s3c24xx/clock-s3c2416.c deleted file mode 100644 index d421a72920a5..000000000000 --- a/arch/arm/mach-s3c24xx/clock-s3c2416.c +++ /dev/null @@ -1,171 +0,0 @@ -/* linux/arch/arm/mach-s3c2416/clock.c - * - * Copyright (c) 2010 Simtec Electronics - * Copyright (c) 2010 Ben Dooks <ben-linux@fluff.org> - * - * S3C2416 Clock control support - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - */ - -#include <linux/init.h> -#include <linux/clk.h> - -#include <plat/clock.h> -#include <plat/clock-clksrc.h> -#include <plat/cpu.h> - -#include <plat/cpu-freq.h> -#include <plat/pll.h> - -#include <asm/mach/map.h> - -#include <mach/regs-clock.h> -#include <mach/regs-s3c2443-clock.h> - -/* armdiv - * - * this clock is sourced from msysclk and can have a number of - * divider values applied to it to then be fed into armclk. - * The real clock definition is done in s3c2443-clock.c, - * only the armdiv divisor table must be defined here. -*/ - -static unsigned int armdiv[8] = { - [0] = 1, - [1] = 2, - [2] = 3, - [3] = 4, - [5] = 6, - [7] = 8, -}; - -static struct clksrc_clk hsspi_eplldiv = { - .clk = { - .name = "hsspi-eplldiv", - .parent = &clk_esysclk.clk, - .ctrlbit = (1 << 14), - .enable = s3c2443_clkcon_enable_s, - }, - .reg_div = { .reg = S3C2443_CLKDIV1, .size = 2, .shift = 24 }, -}; - -static struct clk *hsspi_sources[] = { - [0] = &hsspi_eplldiv.clk, - [1] = NULL, /* to fix */ -}; - -static struct clksrc_clk hsspi_mux = { - .clk = { - .name = "hsspi-if", - }, - .sources = &(struct clksrc_sources) { - .sources = hsspi_sources, - .nr_sources = ARRAY_SIZE(hsspi_sources), - }, - .reg_src = { .reg = S3C2443_CLKSRC, .size = 1, .shift = 18 }, -}; - -static struct clksrc_clk hsmmc_div[] = { - [0] = { - .clk = { - .name = "hsmmc-div", - .devname = "s3c-sdhci.0", - .parent = &clk_esysclk.clk, - }, - .reg_div = { .reg = S3C2416_CLKDIV2, .size = 2, .shift = 6 }, - }, - [1] = { - .clk = { - .name = "hsmmc-div", - .devname = "s3c-sdhci.1", - .parent = &clk_esysclk.clk, - }, - .reg_div = { .reg = S3C2443_CLKDIV1, .size = 2, .shift = 6 }, - }, -}; - -static struct clksrc_clk hsmmc_mux0 = { - .clk = { - .name = "hsmmc-if", - .devname = "s3c-sdhci.0", - .ctrlbit = (1 << 6), - .enable = s3c2443_clkcon_enable_s, - }, - .sources = &(struct clksrc_sources) { - .nr_sources = 2, - .sources = (struct clk * []) { - [0] = &hsmmc_div[0].clk, - [1] = NULL, /* to fix */ - }, - }, - .reg_src = { .reg = S3C2443_CLKSRC, .size = 1, .shift = 16 }, -}; - -static struct clksrc_clk hsmmc_mux1 = { - .clk = { - .name = "hsmmc-if", - .devname = "s3c-sdhci.1", - .ctrlbit = (1 << 12), - .enable = s3c2443_clkcon_enable_s, - }, - .sources = &(struct clksrc_sources) { - .nr_sources = 2, - .sources = (struct clk * []) { - [0] = &hsmmc_div[1].clk, - [1] = NULL, /* to fix */ - }, - }, - .reg_src = { .reg = S3C2443_CLKSRC, .size = 1, .shift = 17 }, -}; - -static struct clk hsmmc0_clk = { - .name = "hsmmc", - .devname = "s3c-sdhci.0", - .parent = &clk_h, - .enable = s3c2443_clkcon_enable_h, - .ctrlbit = S3C2416_HCLKCON_HSMMC0, -}; - -static struct clksrc_clk *clksrcs[] __initdata = { - &hsspi_eplldiv, - &hsspi_mux, - &hsmmc_div[0], - &hsmmc_div[1], - &hsmmc_mux0, - &hsmmc_mux1, -}; - -static struct clk_lookup s3c2416_clk_lookup[] = { - CLKDEV_INIT("s3c-sdhci.0", "mmc_busclk.0", &hsmmc0_clk), - CLKDEV_INIT("s3c-sdhci.0", "mmc_busclk.2", &hsmmc_mux0.clk), - CLKDEV_INIT("s3c-sdhci.1", "mmc_busclk.2", &hsmmc_mux1.clk), - /* s3c2443-spi.0 is used on s3c2416 and s3c2450 as well */ - CLKDEV_INIT("s3c2443-spi.0", "spi_busclk2", &hsspi_mux.clk), -}; - -void __init s3c2416_init_clocks(int xtal) -{ - u32 epllcon = __raw_readl(S3C2443_EPLLCON); - u32 epllcon1 = __raw_readl(S3C2443_EPLLCON+4); - int ptr; - - /* s3c2416 EPLL compatible with s3c64xx */ - clk_epll.rate = s3c_get_pll6553x(xtal, epllcon, epllcon1); - - clk_epll.parent = &clk_epllref.clk; - - s3c2443_common_init_clocks(xtal, s3c2416_get_pll, - armdiv, ARRAY_SIZE(armdiv), - S3C2416_CLKDIV0_ARMDIV_MASK); - - for (ptr = 0; ptr < ARRAY_SIZE(clksrcs); ptr++) - s3c_register_clksrc(clksrcs[ptr], 1); - - s3c24xx_register_clock(&hsmmc0_clk); - clkdev_add_table(s3c2416_clk_lookup, ARRAY_SIZE(s3c2416_clk_lookup)); - -} diff --git a/arch/arm/mach-s3c24xx/clock-s3c2440.c b/arch/arm/mach-s3c24xx/clock-s3c2440.c deleted file mode 100644 index 5527226fd61f..000000000000 --- a/arch/arm/mach-s3c24xx/clock-s3c2440.c +++ /dev/null @@ -1,217 +0,0 @@ -/* linux/arch/arm/mach-s3c2440/clock.c - * - * Copyright (c) 2004-2005 Simtec Electronics - * http://armlinux.simtec.co.uk/ - * Ben Dooks <ben@simtec.co.uk> - * - * S3C2440 Clock support - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA -*/ - -#include <linux/init.h> -#include <linux/module.h> -#include <linux/kernel.h> -#include <linux/list.h> -#include <linux/errno.h> -#include <linux/err.h> -#include <linux/device.h> -#include <linux/interrupt.h> -#include <linux/ioport.h> -#include <linux/mutex.h> -#include <linux/clk.h> -#include <linux/io.h> -#include <linux/serial_core.h> -#include <linux/serial_s3c.h> - -#include <mach/hardware.h> -#include <linux/atomic.h> -#include <asm/irq.h> - -#include <mach/regs-clock.h> - -#include <plat/clock.h> -#include <plat/cpu.h> - -/* S3C2440 extended clock support */ - -static unsigned long s3c2440_camif_upll_round(struct clk *clk, - unsigned long rate) -{ - unsigned long parent_rate = clk_get_rate(clk->parent); - int div; - - if (rate > parent_rate) - return parent_rate; - - /* note, we remove the +/- 1 calculations for the divisor */ - - div = (parent_rate / rate) / 2; - - if (div < 1) - div = 1; - else if (div > 16) - div = 16; - - return parent_rate / (div * 2); -} - -static int s3c2440_camif_upll_setrate(struct clk *clk, unsigned long rate) -{ - unsigned long parent_rate = clk_get_rate(clk->parent); - unsigned long camdivn = __raw_readl(S3C2440_CAMDIVN); - - rate = s3c2440_camif_upll_round(clk, rate); - - camdivn &= ~(S3C2440_CAMDIVN_CAMCLK_SEL | S3C2440_CAMDIVN_CAMCLK_MASK); - - if (rate != parent_rate) { - camdivn |= S3C2440_CAMDIVN_CAMCLK_SEL; - camdivn |= (((parent_rate / rate) / 2) - 1); - } - - __raw_writel(camdivn, S3C2440_CAMDIVN); - - return 0; -} - -static unsigned long s3c2440_camif_upll_getrate(struct clk *clk) -{ - unsigned long parent_rate = clk_get_rate(clk->parent); - unsigned long camdivn = __raw_readl(S3C2440_CAMDIVN); - - if (!(camdivn & S3C2440_CAMDIVN_CAMCLK_SEL)) - return parent_rate; - - camdivn &= S3C2440_CAMDIVN_CAMCLK_MASK; - - return parent_rate / (camdivn + 1) / 2; -} - -/* Extra S3C2440 clocks */ - -static struct clk s3c2440_clk_cam = { - .name = "camif", - .enable = s3c2410_clkcon_enable, - .ctrlbit = S3C2440_CLKCON_CAMERA, -}; - -static struct clk s3c2440_clk_cam_upll = { - .name = "camif-upll", - .ops = &(struct clk_ops) { - .set_rate = s3c2440_camif_upll_setrate, - .get_rate = s3c2440_camif_upll_getrate, - .round_rate = s3c2440_camif_upll_round, - }, -}; - -static struct clk s3c2440_clk_ac97 = { - .name = "ac97", - .enable = s3c2410_clkcon_enable, - .ctrlbit = S3C2440_CLKCON_AC97, -}; - -#define S3C24XX_VA_UART0 (S3C_VA_UART) -#define S3C24XX_VA_UART1 (S3C_VA_UART + 0x4000 ) -#define S3C24XX_VA_UART2 (S3C_VA_UART + 0x8000 ) -#define S3C24XX_VA_UART3 (S3C_VA_UART + 0xC000 ) - -static unsigned long s3c2440_fclk_n_getrate(struct clk *clk) -{ - unsigned long ucon0, ucon1, ucon2, divisor; - - /* the fun of calculating the uart divisors on the s3c2440 */ - ucon0 = __raw_readl(S3C24XX_VA_UART0 + S3C2410_UCON); - ucon1 = __raw_readl(S3C24XX_VA_UART1 + S3C2410_UCON); - ucon2 = __raw_readl(S3C24XX_VA_UART2 + S3C2410_UCON); - - ucon0 &= S3C2440_UCON0_DIVMASK; - ucon1 &= S3C2440_UCON1_DIVMASK; - ucon2 &= S3C2440_UCON2_DIVMASK; - - if (ucon0 != 0) - divisor = (ucon0 >> S3C2440_UCON_DIVSHIFT) + 6; - else if (ucon1 != 0) - divisor = (ucon1 >> S3C2440_UCON_DIVSHIFT) + 21; - else if (ucon2 != 0) - divisor = (ucon2 >> S3C2440_UCON_DIVSHIFT) + 36; - else - /* manual calims 44, seems to be 9 */ - divisor = 9; - - return clk_get_rate(clk->parent) / divisor; -} - -static struct clk s3c2440_clk_fclk_n = { - .name = "fclk_n", - .parent = &clk_f, - .ops = &(struct clk_ops) { - .get_rate = s3c2440_fclk_n_getrate, - }, -}; - -static struct clk_lookup s3c2440_clk_lookup[] = { - CLKDEV_INIT(NULL, "clk_uart_baud1", &s3c24xx_uclk), - CLKDEV_INIT(NULL, "clk_uart_baud2", &clk_p), - CLKDEV_INIT(NULL, "clk_uart_baud3", &s3c2440_clk_fclk_n), - CLKDEV_INIT("s3c2440-uart.0", "uart", &s3c24xx_clk_uart0), - CLKDEV_INIT("s3c2440-uart.1", "uart", &s3c24xx_clk_uart1), - CLKDEV_INIT("s3c2440-uart.2", "uart", &s3c24xx_clk_uart2), - CLKDEV_INIT("s3c2440-camif", "camera", &s3c2440_clk_cam_upll), -}; - -static int __init_refok s3c2440_clk_add(struct device *dev, struct subsys_interface *sif) -{ - struct clk *clock_upll; - struct clk *clock_h; - struct clk *clock_p; - - clock_p = clk_get(NULL, "pclk"); - clock_h = clk_get(NULL, "hclk"); - clock_upll = clk_get(NULL, "upll"); - - if (IS_ERR(clock_p) || IS_ERR(clock_h) || IS_ERR(clock_upll)) { - printk(KERN_ERR "S3C2440: Failed to get parent clocks\n"); - return -EINVAL; - } - - s3c2440_clk_cam.parent = clock_h; - s3c2440_clk_ac97.parent = clock_p; - s3c2440_clk_cam_upll.parent = clock_upll; - s3c24xx_register_clock(&s3c2440_clk_fclk_n); - - s3c24xx_register_clock(&s3c2440_clk_ac97); - s3c24xx_register_clock(&s3c2440_clk_cam); - s3c24xx_register_clock(&s3c2440_clk_cam_upll); - clkdev_add_table(s3c2440_clk_lookup, ARRAY_SIZE(s3c2440_clk_lookup)); - - clk_disable(&s3c2440_clk_ac97); - clk_disable(&s3c2440_clk_cam); - - return 0; -} - -static struct subsys_interface s3c2440_clk_interface = { - .name = "s3c2440_clk", - .subsys = &s3c2440_subsys, - .add_dev = s3c2440_clk_add, -}; - -static __init int s3c24xx_clk_init(void) -{ - return subsys_interface_register(&s3c2440_clk_interface); -} - -arch_initcall(s3c24xx_clk_init); diff --git a/arch/arm/mach-s3c24xx/clock-s3c2443.c b/arch/arm/mach-s3c24xx/clock-s3c2443.c deleted file mode 100644 index 76cd31f7804e..000000000000 --- a/arch/arm/mach-s3c24xx/clock-s3c2443.c +++ /dev/null @@ -1,212 +0,0 @@ -/* linux/arch/arm/mach-s3c2443/clock.c - * - * Copyright (c) 2007, 2010 Simtec Electronics - * Ben Dooks <ben@simtec.co.uk> - * - * S3C2443 Clock control support - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA -*/ - -#include <linux/init.h> - -#include <linux/module.h> -#include <linux/kernel.h> -#include <linux/list.h> -#include <linux/errno.h> -#include <linux/err.h> -#include <linux/device.h> -#include <linux/clk.h> -#include <linux/mutex.h> -#include <linux/serial_core.h> -#include <linux/io.h> - -#include <asm/mach/map.h> - -#include <mach/hardware.h> - -#include <mach/regs-s3c2443-clock.h> - -#include <plat/cpu-freq.h> - -#include <plat/clock.h> -#include <plat/clock-clksrc.h> -#include <plat/cpu.h> - -/* We currently have to assume that the system is running - * from the XTPll input, and that all ***REFCLKs are being - * fed from it, as we cannot read the state of OM[4] from - * software. - * - * It would be possible for each board initialisation to - * set the correct muxing at initialisation -*/ - -/* clock selections */ - -/* armdiv - * - * this clock is sourced from msysclk and can have a number of - * divider values applied to it to then be fed into armclk. - * The real clock definition is done in s3c2443-clock.c, - * only the armdiv divisor table must be defined here. -*/ - -static unsigned int armdiv[16] = { - [S3C2443_CLKDIV0_ARMDIV_1 >> S3C2443_CLKDIV0_ARMDIV_SHIFT] = 1, - [S3C2443_CLKDIV0_ARMDIV_2 >> S3C2443_CLKDIV0_ARMDIV_SHIFT] = 2, - [S3C2443_CLKDIV0_ARMDIV_3 >> S3C2443_CLKDIV0_ARMDIV_SHIFT] = 3, - [S3C2443_CLKDIV0_ARMDIV_4 >> S3C2443_CLKDIV0_ARMDIV_SHIFT] = 4, - [S3C2443_CLKDIV0_ARMDIV_6 >> S3C2443_CLKDIV0_ARMDIV_SHIFT] = 6, - [S3C2443_CLKDIV0_ARMDIV_8 >> S3C2443_CLKDIV0_ARMDIV_SHIFT] = 8, - [S3C2443_CLKDIV0_ARMDIV_12 >> S3C2443_CLKDIV0_ARMDIV_SHIFT] = 12, - [S3C2443_CLKDIV0_ARMDIV_16 >> S3C2443_CLKDIV0_ARMDIV_SHIFT] = 16, -}; - -/* hsspi - * - * high-speed spi clock, sourced from esysclk -*/ - -static struct clksrc_clk clk_hsspi = { - .clk = { - .name = "hsspi-if", - .parent = &clk_esysclk.clk, - .ctrlbit = S3C2443_SCLKCON_HSSPICLK, - .enable = s3c2443_clkcon_enable_s, - }, - .reg_div = { .reg = S3C2443_CLKDIV1, .size = 2, .shift = 4 }, -}; - - -/* clk_hsmcc_div - * - * this clock is sourced from epll, and is fed through a divider, - * to a mux controlled by sclkcon where either it or a extclk can - * be fed to the hsmmc block -*/ - -static struct clksrc_clk clk_hsmmc_div = { - .clk = { - .name = "hsmmc-div", - .devname = "s3c-sdhci.1", - .parent = &clk_esysclk.clk, - }, - .reg_div = { .reg = S3C2443_CLKDIV1, .size = 2, .shift = 6 }, -}; - -static int s3c2443_setparent_hsmmc(struct clk *clk, struct clk *parent) -{ - unsigned long clksrc = __raw_readl(S3C2443_SCLKCON); - - clksrc &= ~(S3C2443_SCLKCON_HSMMCCLK_EXT | - S3C2443_SCLKCON_HSMMCCLK_EPLL); - - if (parent == &clk_epll) - clksrc |= S3C2443_SCLKCON_HSMMCCLK_EPLL; - else if (parent == &clk_ext) - clksrc |= S3C2443_SCLKCON_HSMMCCLK_EXT; - else - return -EINVAL; - - if (clk->usage > 0) { - __raw_writel(clksrc, S3C2443_SCLKCON); - } - - clk->parent = parent; - return 0; -} - -static int s3c2443_enable_hsmmc(struct clk *clk, int enable) -{ - return s3c2443_setparent_hsmmc(clk, clk->parent); -} - -static struct clk clk_hsmmc = { - .name = "hsmmc-if", - .devname = "s3c-sdhci.1", - .parent = &clk_hsmmc_div.clk, - .enable = s3c2443_enable_hsmmc, - .ops = &(struct clk_ops) { - .set_parent = s3c2443_setparent_hsmmc, - }, -}; - -/* standard clock definitions */ - -static struct clk init_clocks_off[] = { - { - .name = "sdi", - .parent = &clk_p, - .enable = s3c2443_clkcon_enable_p, - .ctrlbit = S3C2443_PCLKCON_SDI, - }, { - .name = "spi", - .devname = "s3c2410-spi.0", - .parent = &clk_p, - .enable = s3c2443_clkcon_enable_p, - .ctrlbit = S3C2443_PCLKCON_SPI1, - } -}; - -/* clocks to add straight away */ - -static struct clksrc_clk *clksrcs[] __initdata = { - &clk_hsspi, - &clk_hsmmc_div, -}; - -static struct clk *clks[] __initdata = { - &clk_hsmmc, -}; - -static struct clk_lookup s3c2443_clk_lookup[] = { - CLKDEV_INIT("s3c-sdhci.1", "mmc_busclk.2", &clk_hsmmc), - CLKDEV_INIT("s3c2443-spi.0", "spi_busclk2", &clk_hsspi.clk), -}; - -void __init s3c2443_init_clocks(int xtal) -{ - unsigned long epllcon = __raw_readl(S3C2443_EPLLCON); - int ptr; - - clk_epll.rate = s3c2443_get_epll(epllcon, xtal); - clk_epll.parent = &clk_epllref.clk; - - s3c2443_common_init_clocks(xtal, s3c2443_get_mpll, - armdiv, ARRAY_SIZE(armdiv), - S3C2443_CLKDIV0_ARMDIV_MASK); - - s3c24xx_register_clocks(clks, ARRAY_SIZE(clks)); - - for (ptr = 0; ptr < ARRAY_SIZE(clksrcs); ptr++) - s3c_register_clksrc(clksrcs[ptr], 1); - - /* We must be careful disabling the clocks we are not intending to - * be using at boot time, as subsystems such as the LCD which do - * their own DMA requests to the bus can cause the system to lockup - * if they where in the middle of requesting bus access. - * - * Disabling the LCD clock if the LCD is active is very dangerous, - * and therefore the bootloader should be careful to not enable - * the LCD clock if it is not needed. - */ - - /* install (and disable) the clocks we do not need immediately */ - - s3c_register_clocks(init_clocks_off, ARRAY_SIZE(init_clocks_off)); - s3c_disable_clocks(init_clocks_off, ARRAY_SIZE(init_clocks_off)); - clkdev_add_table(s3c2443_clk_lookup, ARRAY_SIZE(s3c2443_clk_lookup)); -} diff --git a/arch/arm/mach-s3c24xx/clock-s3c244x.c b/arch/arm/mach-s3c24xx/clock-s3c244x.c deleted file mode 100644 index 6d9b688c442b..000000000000 --- a/arch/arm/mach-s3c24xx/clock-s3c244x.c +++ /dev/null @@ -1,141 +0,0 @@ -/* linux/arch/arm/plat-s3c24xx/s3c24xx-clock.c - * - * Copyright (c) 2004-2008 Simtec Electronics - * http://armlinux.simtec.co.uk/ - * Ben Dooks <ben@simtec.co.uk> - * - * S3C2440/S3C2442 Common clock support - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA -*/ - -#include <linux/init.h> -#include <linux/module.h> -#include <linux/kernel.h> -#include <linux/list.h> -#include <linux/errno.h> -#include <linux/err.h> -#include <linux/device.h> -#include <linux/interrupt.h> -#include <linux/ioport.h> -#include <linux/clk.h> -#include <linux/io.h> - -#include <mach/hardware.h> -#include <linux/atomic.h> -#include <asm/irq.h> - -#include <mach/regs-clock.h> - -#include <plat/clock.h> -#include <plat/cpu.h> - -static int s3c2440_setparent_armclk(struct clk *clk, struct clk *parent) -{ - unsigned long camdivn; - unsigned long dvs; - - if (parent == &clk_f) - dvs = 0; - else if (parent == &clk_h) - dvs = S3C2440_CAMDIVN_DVSEN; - else - return -EINVAL; - - clk->parent = parent; - - camdivn = __raw_readl(S3C2440_CAMDIVN); - camdivn &= ~S3C2440_CAMDIVN_DVSEN; - camdivn |= dvs; - __raw_writel(camdivn, S3C2440_CAMDIVN); - - return 0; -} - -static struct clk clk_arm = { - .name = "armclk", - .id = -1, - .ops = &(struct clk_ops) { - .set_parent = s3c2440_setparent_armclk, - }, -}; - -static int s3c244x_clk_add(struct device *dev, struct subsys_interface *sif) -{ - unsigned long camdivn = __raw_readl(S3C2440_CAMDIVN); - unsigned long clkdivn; - struct clk *clock_upll; - int ret; - - printk("S3C244X: Clock Support, DVS %s\n", - (camdivn & S3C2440_CAMDIVN_DVSEN) ? "on" : "off"); - - clk_arm.parent = (camdivn & S3C2440_CAMDIVN_DVSEN) ? &clk_h : &clk_f; - - ret = s3c24xx_register_clock(&clk_arm); - if (ret < 0) { - printk(KERN_ERR "S3C24XX: Failed to add armclk (%d)\n", ret); - return ret; - } - - clock_upll = clk_get(NULL, "upll"); - if (IS_ERR(clock_upll)) { - printk(KERN_ERR "S3C244X: Failed to get upll clock\n"); - return -ENOENT; - } - - /* check rate of UPLL, and if it is near 96MHz, then change - * to using half the UPLL rate for the system */ - - if (clk_get_rate(clock_upll) > (94 * MHZ)) { - clk_usb_bus.rate = clk_get_rate(clock_upll) / 2; - - spin_lock(&clocks_lock); - - clkdivn = __raw_readl(S3C2410_CLKDIVN); - clkdivn |= S3C2440_CLKDIVN_UCLK; - __raw_writel(clkdivn, S3C2410_CLKDIVN); - - spin_unlock(&clocks_lock); - } - - return 0; -} - -static struct subsys_interface s3c2440_clk_interface = { - .name = "s3c2440_clk", - .subsys = &s3c2440_subsys, - .add_dev = s3c244x_clk_add, -}; - -static int s3c2440_clk_init(void) -{ - return subsys_interface_register(&s3c2440_clk_interface); -} - -arch_initcall(s3c2440_clk_init); - -static struct subsys_interface s3c2442_clk_interface = { - .name = "s3c2442_clk", - .subsys = &s3c2442_subsys, - .add_dev = s3c244x_clk_add, -}; - -static int s3c2442_clk_init(void) -{ - return subsys_interface_register(&s3c2442_clk_interface); -} - -arch_initcall(s3c2442_clk_init); diff --git a/arch/arm/mach-s3c24xx/common-s3c2443.c b/arch/arm/mach-s3c24xx/common-s3c2443.c deleted file mode 100644 index 65d3eef73090..000000000000 --- a/arch/arm/mach-s3c24xx/common-s3c2443.c +++ /dev/null @@ -1,675 +0,0 @@ -/* - * Common code for SoCs starting with the S3C2443 - * - * Copyright (c) 2007, 2010 Simtec Electronics - * Ben Dooks <ben@simtec.co.uk> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - */ - -#include <linux/init.h> -#include <linux/clk.h> -#include <linux/io.h> - -#include <mach/regs-s3c2443-clock.h> - -#include <plat/clock.h> -#include <plat/clock-clksrc.h> -#include <plat/cpu.h> - -#include <plat/cpu-freq.h> - - -static int s3c2443_gate(void __iomem *reg, struct clk *clk, int enable) -{ - u32 ctrlbit = clk->ctrlbit; - u32 con = __raw_readl(reg); - - if (enable) - con |= ctrlbit; - else - con &= ~ctrlbit; - - __raw_writel(con, reg); - return 0; -} - -int s3c2443_clkcon_enable_h(struct clk *clk, int enable) -{ - return s3c2443_gate(S3C2443_HCLKCON, clk, enable); -} - -int s3c2443_clkcon_enable_p(struct clk *clk, int enable) -{ - return s3c2443_gate(S3C2443_PCLKCON, clk, enable); -} - -int s3c2443_clkcon_enable_s(struct clk *clk, int enable) -{ - return s3c2443_gate(S3C2443_SCLKCON, clk, enable); -} - -/* mpllref is a direct descendant of clk_xtal by default, but it is not - * elided as the EPLL can be either sourced by the XTAL or EXTCLK and as - * such directly equating the two source clocks is impossible. - */ -static struct clk clk_mpllref = { - .name = "mpllref", - .parent = &clk_xtal, -}; - -static struct clk *clk_epllref_sources[] = { - [0] = &clk_mpllref, - [1] = &clk_mpllref, - [2] = &clk_xtal, - [3] = &clk_ext, -}; - -struct clksrc_clk clk_epllref = { - .clk = { - .name = "epllref", - }, - .sources = &(struct clksrc_sources) { - .sources = clk_epllref_sources, - .nr_sources = ARRAY_SIZE(clk_epllref_sources), - }, - .reg_src = { .reg = S3C2443_CLKSRC, .size = 2, .shift = 7 }, -}; - -/* esysclk - * - * this is sourced from either the EPLL or the EPLLref clock -*/ - -static struct clk *clk_sysclk_sources[] = { - [0] = &clk_epllref.clk, - [1] = &clk_epll, -}; - -struct clksrc_clk clk_esysclk = { - .clk = { - .name = "esysclk", - .parent = &clk_epll, - }, - .sources = &(struct clksrc_sources) { - .sources = clk_sysclk_sources, - .nr_sources = ARRAY_SIZE(clk_sysclk_sources), - }, - .reg_src = { .reg = S3C2443_CLKSRC, .size = 1, .shift = 6 }, -}; - -static unsigned long s3c2443_getrate_mdivclk(struct clk *clk) -{ - unsigned long parent_rate = clk_get_rate(clk->parent); - unsigned long div = __raw_readl(S3C2443_CLKDIV0); - - div &= S3C2443_CLKDIV0_EXTDIV_MASK; - div >>= (S3C2443_CLKDIV0_EXTDIV_SHIFT-1); /* x2 */ - - return parent_rate / (div + 1); -} - -static struct clk clk_mdivclk = { - .name = "mdivclk", - .parent = &clk_mpllref, - .ops = &(struct clk_ops) { - .get_rate = s3c2443_getrate_mdivclk, - }, -}; - -static struct clk *clk_msysclk_sources[] = { - [0] = &clk_mpllref, - [1] = &clk_mpll, - [2] = &clk_mdivclk, - [3] = &clk_mpllref, -}; - -static struct clksrc_clk clk_msysclk = { - .clk = { - .name = "msysclk", - .parent = &clk_xtal, - }, - .sources = &(struct clksrc_sources) { - .sources = clk_msysclk_sources, - .nr_sources = ARRAY_SIZE(clk_msysclk_sources), - }, - .reg_src = { .reg = S3C2443_CLKSRC, .size = 2, .shift = 3 }, -}; - -/* prediv - * - * this divides the msysclk down to pass to h/p/etc. - */ - -static unsigned long s3c2443_prediv_getrate(struct clk *clk) -{ - unsigned long rate = clk_get_rate(clk->parent); - unsigned long clkdiv0 = __raw_readl(S3C2443_CLKDIV0); - - clkdiv0 &= S3C2443_CLKDIV0_PREDIV_MASK; - clkdiv0 >>= S3C2443_CLKDIV0_PREDIV_SHIFT; - - return rate / (clkdiv0 + 1); -} - -static struct clk clk_prediv = { - .name = "prediv", - .parent = &clk_msysclk.clk, - .ops = &(struct clk_ops) { - .get_rate = s3c2443_prediv_getrate, - }, -}; - -/* hclk divider - * - * divides the prediv and provides the hclk. - */ - -static unsigned long s3c2443_hclkdiv_getrate(struct clk *clk) -{ - unsigned long rate = clk_get_rate(clk->parent); - unsigned long clkdiv0 = __raw_readl(S3C2443_CLKDIV0); - - clkdiv0 &= S3C2443_CLKDIV0_HCLKDIV_MASK; - - return rate / (clkdiv0 + 1); -} - -static struct clk_ops clk_h_ops = { - .get_rate = s3c2443_hclkdiv_getrate, -}; - -/* pclk divider - * - * divides the hclk and provides the pclk. - */ - -static unsigned long s3c2443_pclkdiv_getrate(struct clk *clk) -{ - unsigned long rate = clk_get_rate(clk->parent); - unsigned long clkdiv0 = __raw_readl(S3C2443_CLKDIV0); - - clkdiv0 = ((clkdiv0 & S3C2443_CLKDIV0_HALF_PCLK) ? 1 : 0); - - return rate / (clkdiv0 + 1); -} - -static struct clk_ops clk_p_ops = { - .get_rate = s3c2443_pclkdiv_getrate, -}; - -/* armdiv - * - * this clock is sourced from msysclk and can have a number of - * divider values applied to it to then be fed into armclk. -*/ - -static unsigned int *armdiv; -static int nr_armdiv; -static int armdivmask; - -static unsigned long s3c2443_armclk_roundrate(struct clk *clk, - unsigned long rate) -{ - unsigned long parent = clk_get_rate(clk->parent); - unsigned long calc; - unsigned best = 256; /* bigger than any value */ - unsigned div; - int ptr; - - if (!nr_armdiv) - return -EINVAL; - - for (ptr = 0; ptr < nr_armdiv; ptr++) { - div = armdiv[ptr]; - if (div) { - /* cpufreq provides 266mhz as 266666000 not 266666666 */ - calc = (parent / div / 1000) * 1000; - if (calc <= rate && div < best) - best = div; - } - } - - return parent / best; -} - -static unsigned long s3c2443_armclk_getrate(struct clk *clk) -{ - unsigned long rate = clk_get_rate(clk->parent); - unsigned long clkcon0; - int val; - - if (!nr_armdiv || !armdivmask) - return -EINVAL; - - clkcon0 = __raw_readl(S3C2443_CLKDIV0); - clkcon0 &= armdivmask; - val = clkcon0 >> S3C2443_CLKDIV0_ARMDIV_SHIFT; - - return rate / armdiv[val]; -} - -static int s3c2443_armclk_setrate(struct clk *clk, unsigned long rate) -{ - unsigned long parent = clk_get_rate(clk->parent); - unsigned long calc; - unsigned div; - unsigned best = 256; /* bigger than any value */ - int ptr; - int val = -1; - - if (!nr_armdiv || !armdivmask) - return -EINVAL; - - for (ptr = 0; ptr < nr_armdiv; ptr++) { - div = armdiv[ptr]; - if (div) { - /* cpufreq provides 266mhz as 266666000 not 266666666 */ - calc = (parent / div / 1000) * 1000; - if (calc <= rate && div < best) { - best = div; - val = ptr; - } - } - } - - if (val >= 0) { - unsigned long clkcon0; - - clkcon0 = __raw_readl(S3C2443_CLKDIV0); - clkcon0 &= ~armdivmask; - clkcon0 |= val << S3C2443_CLKDIV0_ARMDIV_SHIFT; - __raw_writel(clkcon0, S3C2443_CLKDIV0); - } - - return (val == -1) ? -EINVAL : 0; -} - -static struct clk clk_armdiv = { - .name = "armdiv", - .parent = &clk_msysclk.clk, - .ops = &(struct clk_ops) { - .round_rate = s3c2443_armclk_roundrate, - .get_rate = s3c2443_armclk_getrate, - .set_rate = s3c2443_armclk_setrate, - }, -}; - -/* armclk - * - * this is the clock fed into the ARM core itself, from armdiv or from hclk. - */ - -static struct clk *clk_arm_sources[] = { - [0] = &clk_armdiv, - [1] = &clk_h, -}; - -static struct clksrc_clk clk_arm = { - .clk = { - .name = "armclk", - }, - .sources = &(struct clksrc_sources) { - .sources = clk_arm_sources, - .nr_sources = ARRAY_SIZE(clk_arm_sources), - }, - .reg_src = { .reg = S3C2443_CLKDIV0, .size = 1, .shift = 13 }, -}; - -/* usbhost - * - * usb host bus-clock, usually 48MHz to provide USB bus clock timing -*/ - -static struct clksrc_clk clk_usb_bus_host = { - .clk = { - .name = "usb-bus-host-parent", - .parent = &clk_esysclk.clk, - .ctrlbit = S3C2443_SCLKCON_USBHOST, - .enable = s3c2443_clkcon_enable_s, - }, - .reg_div = { .reg = S3C2443_CLKDIV1, .size = 2, .shift = 4 }, -}; - -/* common clksrc clocks */ - -static struct clksrc_clk clksrc_clks[] = { - { - /* camera interface bus-clock, divided down from esysclk */ - .clk = { - .name = "camif-upll", /* same as 2440 name */ - .parent = &clk_esysclk.clk, - .ctrlbit = S3C2443_SCLKCON_CAMCLK, - .enable = s3c2443_clkcon_enable_s, - }, - .reg_div = { .reg = S3C2443_CLKDIV1, .size = 4, .shift = 26 }, - }, { - .clk = { - .name = "display-if", - .parent = &clk_esysclk.clk, - .ctrlbit = S3C2443_SCLKCON_DISPCLK, - .enable = s3c2443_clkcon_enable_s, - }, - .reg_div = { .reg = S3C2443_CLKDIV1, .size = 8, .shift = 16 }, - }, -}; - -static struct clksrc_clk clk_esys_uart = { - /* ART baud-rate clock sourced from esysclk via a divisor */ - .clk = { - .name = "uartclk", - .parent = &clk_esysclk.clk, - }, - .reg_div = { .reg = S3C2443_CLKDIV1, .size = 4, .shift = 8 }, -}; - -static struct clk clk_i2s_ext = { - .name = "i2s-ext", -}; - -/* i2s_eplldiv - * - * This clock is the output from the I2S divisor of ESYSCLK, and is separate - * from the mux that comes after it (cannot merge into one single clock) -*/ - -static struct clksrc_clk clk_i2s_eplldiv = { - .clk = { - .name = "i2s-eplldiv", - .parent = &clk_esysclk.clk, - }, - .reg_div = { .reg = S3C2443_CLKDIV1, .size = 4, .shift = 12, }, -}; - -/* i2s-ref - * - * i2s bus reference clock, selectable from external, esysclk or epllref - * - * Note, this used to be two clocks, but was compressed into one. -*/ - -static struct clk *clk_i2s_srclist[] = { - [0] = &clk_i2s_eplldiv.clk, - [1] = &clk_i2s_ext, - [2] = &clk_epllref.clk, - [3] = &clk_epllref.clk, -}; - -static struct clksrc_clk clk_i2s = { - .clk = { - .name = "i2s-if", - .ctrlbit = S3C2443_SCLKCON_I2SCLK, - .enable = s3c2443_clkcon_enable_s, - - }, - .sources = &(struct clksrc_sources) { - .sources = clk_i2s_srclist, - .nr_sources = ARRAY_SIZE(clk_i2s_srclist), - }, - .reg_src = { .reg = S3C2443_CLKSRC, .size = 2, .shift = 14 }, -}; - -static struct clk init_clocks_off[] = { - { - .name = "iis", - .parent = &clk_p, - .enable = s3c2443_clkcon_enable_p, - .ctrlbit = S3C2443_PCLKCON_IIS, - }, { - .name = "adc", - .parent = &clk_p, - .enable = s3c2443_clkcon_enable_p, - .ctrlbit = S3C2443_PCLKCON_ADC, - }, { - .name = "i2c", - .parent = &clk_p, - .enable = s3c2443_clkcon_enable_p, - .ctrlbit = S3C2443_PCLKCON_IIC, - } -}; - -static struct clk init_clocks[] = { - { - .name = "dma.0", - .parent = &clk_h, - .enable = s3c2443_clkcon_enable_h, - .ctrlbit = S3C2443_HCLKCON_DMA0, - }, { - .name = "dma.1", - .parent = &clk_h, - .enable = s3c2443_clkcon_enable_h, - .ctrlbit = S3C2443_HCLKCON_DMA1, - }, { - .name = "dma.2", - .parent = &clk_h, - .enable = s3c2443_clkcon_enable_h, - .ctrlbit = S3C2443_HCLKCON_DMA2, - }, { - .name = "dma.3", - .parent = &clk_h, - .enable = s3c2443_clkcon_enable_h, - .ctrlbit = S3C2443_HCLKCON_DMA3, - }, { - .name = "dma.4", - .parent = &clk_h, - .enable = s3c2443_clkcon_enable_h, - .ctrlbit = S3C2443_HCLKCON_DMA4, - }, { - .name = "dma.5", - .parent = &clk_h, - .enable = s3c2443_clkcon_enable_h, - .ctrlbit = S3C2443_HCLKCON_DMA5, - }, { - .name = "gpio", - .parent = &clk_p, - .enable = s3c2443_clkcon_enable_p, - .ctrlbit = S3C2443_PCLKCON_GPIO, - }, { - .name = "usb-host", - .parent = &clk_h, - .enable = s3c2443_clkcon_enable_h, - .ctrlbit = S3C2443_HCLKCON_USBH, - }, { - .name = "usb-device", - .parent = &clk_h, - .enable = s3c2443_clkcon_enable_h, - .ctrlbit = S3C2443_HCLKCON_USBD, - }, { - .name = "lcd", - .parent = &clk_h, - .enable = s3c2443_clkcon_enable_h, - .ctrlbit = S3C2443_HCLKCON_LCDC, - - }, { - .name = "timers", - .parent = &clk_p, - .enable = s3c2443_clkcon_enable_p, - .ctrlbit = S3C2443_PCLKCON_PWMT, - }, { - .name = "cfc", - .parent = &clk_h, - .enable = s3c2443_clkcon_enable_h, - .ctrlbit = S3C2443_HCLKCON_CFC, - }, { - .name = "ssmc", - .parent = &clk_h, - .enable = s3c2443_clkcon_enable_h, - .ctrlbit = S3C2443_HCLKCON_SSMC, - }, { - .name = "uart", - .devname = "s3c2440-uart.0", - .parent = &clk_p, - .enable = s3c2443_clkcon_enable_p, - .ctrlbit = S3C2443_PCLKCON_UART0, - }, { - .name = "uart", - .devname = "s3c2440-uart.1", - .parent = &clk_p, - .enable = s3c2443_clkcon_enable_p, - .ctrlbit = S3C2443_PCLKCON_UART1, - }, { - .name = "uart", - .devname = "s3c2440-uart.2", - .parent = &clk_p, - .enable = s3c2443_clkcon_enable_p, - .ctrlbit = S3C2443_PCLKCON_UART2, - }, { - .name = "uart", - .devname = "s3c2440-uart.3", - .parent = &clk_p, - .enable = s3c2443_clkcon_enable_p, - .ctrlbit = S3C2443_PCLKCON_UART3, - }, { - .name = "rtc", - .parent = &clk_p, - .enable = s3c2443_clkcon_enable_p, - .ctrlbit = S3C2443_PCLKCON_RTC, - }, { - .name = "watchdog", - .parent = &clk_p, - .ctrlbit = S3C2443_PCLKCON_WDT, - }, { - .name = "ac97", - .parent = &clk_p, - .ctrlbit = S3C2443_PCLKCON_AC97, - }, { - .name = "nand", - .parent = &clk_h, - }, { - .name = "usb-bus-host", - .parent = &clk_usb_bus_host.clk, - } -}; - -static struct clk hsmmc1_clk = { - .name = "hsmmc", - .devname = "s3c-sdhci.1", - .parent = &clk_h, - .enable = s3c2443_clkcon_enable_h, - .ctrlbit = S3C2443_HCLKCON_HSMMC, -}; - -static struct clk hsspi_clk = { - .name = "spi", - .devname = "s3c2443-spi.0", - .parent = &clk_p, - .enable = s3c2443_clkcon_enable_p, - .ctrlbit = S3C2443_PCLKCON_HSSPI, -}; - -/* EPLLCON compatible enough to get on/off information */ - -void __init_or_cpufreq s3c2443_common_setup_clocks(pll_fn get_mpll) -{ - unsigned long epllcon = __raw_readl(S3C2443_EPLLCON); - unsigned long mpllcon = __raw_readl(S3C2443_MPLLCON); - struct clk *xtal_clk; - unsigned long xtal; - unsigned long pll; - int ptr; - - xtal_clk = clk_get(NULL, "xtal"); - xtal = clk_get_rate(xtal_clk); - clk_put(xtal_clk); - - pll = get_mpll(mpllcon, xtal); - clk_msysclk.clk.rate = pll; - clk_mpll.rate = pll; - - printk("CPU: MPLL %s %ld.%03ld MHz, cpu %ld.%03ld MHz, mem %ld.%03ld MHz, pclk %ld.%03ld MHz\n", - (mpllcon & S3C2443_PLLCON_OFF) ? "off" : "on", - print_mhz(pll), print_mhz(clk_get_rate(&clk_armdiv)), - print_mhz(clk_get_rate(&clk_h)), - print_mhz(clk_get_rate(&clk_p))); - - for (ptr = 0; ptr < ARRAY_SIZE(clksrc_clks); ptr++) - s3c_set_clksrc(&clksrc_clks[ptr], true); - - /* ensure usb bus clock is within correct rate of 48MHz */ - - if (clk_get_rate(&clk_usb_bus_host.clk) != (48 * 1000 * 1000)) { - printk(KERN_INFO "Warning: USB host bus not at 48MHz\n"); - clk_set_rate(&clk_usb_bus_host.clk, 48*1000*1000); - } - - printk("CPU: EPLL %s %ld.%03ld MHz, usb-bus %ld.%03ld MHz\n", - (epllcon & S3C2443_PLLCON_OFF) ? "off" : "on", - print_mhz(clk_get_rate(&clk_epll)), - print_mhz(clk_get_rate(&clk_usb_bus))); -} - -static struct clk *clks[] __initdata = { - &clk_prediv, - &clk_mpllref, - &clk_mdivclk, - &clk_ext, - &clk_epll, - &clk_usb_bus, - &clk_armdiv, - &hsmmc1_clk, - &hsspi_clk, -}; - -static struct clksrc_clk *clksrcs[] __initdata = { - &clk_i2s_eplldiv, - &clk_i2s, - &clk_usb_bus_host, - &clk_epllref, - &clk_esysclk, - &clk_msysclk, - &clk_arm, -}; - -static struct clk_lookup s3c2443_clk_lookup[] = { - CLKDEV_INIT(NULL, "clk_uart_baud1", &s3c24xx_uclk), - CLKDEV_INIT(NULL, "clk_uart_baud2", &clk_p), - CLKDEV_INIT(NULL, "clk_uart_baud3", &clk_esys_uart.clk), - CLKDEV_INIT("s3c-sdhci.1", "mmc_busclk.0", &hsmmc1_clk), - CLKDEV_INIT("s3c2443-spi.0", "spi_busclk0", &hsspi_clk), -}; - -void __init s3c2443_common_init_clocks(int xtal, pll_fn get_mpll, - unsigned int *divs, int nr_divs, - int divmask) -{ - int ptr; - - armdiv = divs; - nr_armdiv = nr_divs; - armdivmask = divmask; - - /* s3c2443 parents h clock from prediv */ - clk_h.parent = &clk_prediv; - clk_h.ops = &clk_h_ops; - - /* and p clock from h clock */ - clk_p.parent = &clk_h; - clk_p.ops = &clk_p_ops; - - clk_usb_bus.parent = &clk_usb_bus_host.clk; - clk_epll.parent = &clk_epllref.clk; - - s3c24xx_register_baseclocks(xtal); - s3c24xx_register_clocks(clks, ARRAY_SIZE(clks)); - - for (ptr = 0; ptr < ARRAY_SIZE(clksrcs); ptr++) - s3c_register_clksrc(clksrcs[ptr], 1); - - s3c_register_clksrc(clksrc_clks, ARRAY_SIZE(clksrc_clks)); - s3c_register_clocks(init_clocks, ARRAY_SIZE(init_clocks)); - - /* See s3c2443/etc notes on disabling clocks at init time */ - s3c_register_clocks(init_clocks_off, ARRAY_SIZE(init_clocks_off)); - s3c_disable_clocks(init_clocks_off, ARRAY_SIZE(init_clocks_off)); - clkdev_add_table(s3c2443_clk_lookup, ARRAY_SIZE(s3c2443_clk_lookup)); - - s3c2443_common_setup_clocks(get_mpll); -} diff --git a/arch/arm/mach-s3c24xx/common.c b/arch/arm/mach-s3c24xx/common.c index 1bc8e73c94f9..c0763b837745 100644 --- a/arch/arm/mach-s3c24xx/common.c +++ b/arch/arm/mach-s3c24xx/common.c @@ -53,6 +53,7 @@ #include <plat/cpu-freq.h> #include <plat/pll.h> #include <plat/pwm-core.h> +#include <plat/watchdog-reset.h> #include "common.h" @@ -73,7 +74,6 @@ static struct cpu_table cpu_ids[] __initdata = { .idcode = 0x32410000, .idmask = 0xffffffff, .map_io = s3c2410_map_io, - .init_clocks = s3c2410_init_clocks, .init_uarts = s3c2410_init_uarts, .init = s3c2410_init, .name = name_s3c2410 @@ -82,7 +82,6 @@ static struct cpu_table cpu_ids[] __initdata = { .idcode = 0x32410002, .idmask = 0xffffffff, .map_io = s3c2410_map_io, - .init_clocks = s3c2410_init_clocks, .init_uarts = s3c2410_init_uarts, .init = s3c2410a_init, .name = name_s3c2410a @@ -91,7 +90,6 @@ static struct cpu_table cpu_ids[] __initdata = { .idcode = 0x32440000, .idmask = 0xffffffff, .map_io = s3c2440_map_io, - .init_clocks = s3c244x_init_clocks, .init_uarts = s3c244x_init_uarts, .init = s3c2440_init, .name = name_s3c2440 @@ -100,7 +98,6 @@ static struct cpu_table cpu_ids[] __initdata = { .idcode = 0x32440001, .idmask = 0xffffffff, .map_io = s3c2440_map_io, - .init_clocks = s3c244x_init_clocks, .init_uarts = s3c244x_init_uarts, .init = s3c2440_init, .name = name_s3c2440a @@ -109,7 +106,6 @@ static struct cpu_table cpu_ids[] __initdata = { .idcode = 0x32440aaa, .idmask = 0xffffffff, .map_io = s3c2442_map_io, - .init_clocks = s3c244x_init_clocks, .init_uarts = s3c244x_init_uarts, .init = s3c2442_init, .name = name_s3c2442 @@ -118,7 +114,6 @@ static struct cpu_table cpu_ids[] __initdata = { .idcode = 0x32440aab, .idmask = 0xffffffff, .map_io = s3c2442_map_io, - .init_clocks = s3c244x_init_clocks, .init_uarts = s3c244x_init_uarts, .init = s3c2442_init, .name = name_s3c2442b @@ -127,7 +122,6 @@ static struct cpu_table cpu_ids[] __initdata = { .idcode = 0x32412001, .idmask = 0xffffffff, .map_io = s3c2412_map_io, - .init_clocks = s3c2412_init_clocks, .init_uarts = s3c2412_init_uarts, .init = s3c2412_init, .name = name_s3c2412, @@ -136,7 +130,6 @@ static struct cpu_table cpu_ids[] __initdata = { .idcode = 0x32412003, .idmask = 0xffffffff, .map_io = s3c2412_map_io, - .init_clocks = s3c2412_init_clocks, .init_uarts = s3c2412_init_uarts, .init = s3c2412_init, .name = name_s3c2412, @@ -145,7 +138,6 @@ static struct cpu_table cpu_ids[] __initdata = { .idcode = 0x32450003, .idmask = 0xffffffff, .map_io = s3c2416_map_io, - .init_clocks = s3c2416_init_clocks, .init_uarts = s3c2416_init_uarts, .init = s3c2416_init, .name = name_s3c2416, @@ -154,7 +146,6 @@ static struct cpu_table cpu_ids[] __initdata = { .idcode = 0x32443001, .idmask = 0xffffffff, .map_io = s3c2443_map_io, - .init_clocks = s3c2443_init_clocks, .init_uarts = s3c2443_init_uarts, .init = s3c2443_init, .name = name_s3c2443, @@ -316,21 +307,6 @@ struct s3c24xx_uart_resources s3c2410_uart_resources[] __initdata = { }, }; -/* initialise all the clocks */ - -void __init_or_cpufreq s3c24xx_setup_clocks(unsigned long fclk, - unsigned long hclk, - unsigned long pclk) -{ - clk_upll.rate = s3c24xx_get_pll(__raw_readl(S3C2410_UPLLCON), - clk_xtal.rate); - - clk_mpll.rate = fclk; - clk_h.rate = hclk; - clk_p.rate = pclk; - clk_f.rate = fclk; -} - #if defined(CONFIG_CPU_S3C2410) || defined(CONFIG_CPU_S3C2412) || \ defined(CONFIG_CPU_S3C2440) || defined(CONFIG_CPU_S3C2442) static struct resource s3c2410_dma_resource[] = { @@ -534,3 +510,62 @@ struct platform_device s3c2443_device_dma = { }, }; #endif + +#if defined(CONFIG_COMMON_CLK) && defined(CONFIG_CPU_S3C2410) +void __init s3c2410_init_clocks(int xtal) +{ + s3c2410_common_clk_init(NULL, xtal, 0, S3C24XX_VA_CLKPWR); + samsung_wdt_reset_init(S3C24XX_VA_WATCHDOG); +} +#endif + +#ifdef CONFIG_CPU_S3C2412 +void __init s3c2412_init_clocks(int xtal) +{ + s3c2412_common_clk_init(NULL, xtal, 0, S3C24XX_VA_CLKPWR); +} +#endif + +#ifdef CONFIG_CPU_S3C2416 +void __init s3c2416_init_clocks(int xtal) +{ + s3c2443_common_clk_init(NULL, xtal, 0, S3C24XX_VA_CLKPWR); +} +#endif + +#if defined(CONFIG_COMMON_CLK) && defined(CONFIG_CPU_S3C2440) +void __init s3c2440_init_clocks(int xtal) +{ + s3c2410_common_clk_init(NULL, xtal, 1, S3C24XX_VA_CLKPWR); + samsung_wdt_reset_init(S3C24XX_VA_WATCHDOG); +} +#endif + +#if defined(CONFIG_COMMON_CLK) && defined(CONFIG_CPU_S3C2442) +void __init s3c2442_init_clocks(int xtal) +{ + s3c2410_common_clk_init(NULL, xtal, 2, S3C24XX_VA_CLKPWR); + samsung_wdt_reset_init(S3C24XX_VA_WATCHDOG); +} +#endif + +#ifdef CONFIG_CPU_S3C2443 +void __init s3c2443_init_clocks(int xtal) +{ + s3c2443_common_clk_init(NULL, xtal, 1, S3C24XX_VA_CLKPWR); +} +#endif + +#if defined(CONFIG_CPU_S3C2410) || defined(CONFIG_CPU_S3C2440) || \ + defined(CONFIG_CPU_S3C2442) +static struct resource s3c2410_dclk_resource[] = { + [0] = DEFINE_RES_MEM(0x56000084, 0x4), +}; + +struct platform_device s3c2410_device_dclk = { + .name = "s3c2410-dclk", + .id = 0, + .num_resources = ARRAY_SIZE(s3c2410_dclk_resource), + .resource = s3c2410_dclk_resource, +}; +#endif diff --git a/arch/arm/mach-s3c24xx/common.h b/arch/arm/mach-s3c24xx/common.h index e46c10417216..ac3ff12a0601 100644 --- a/arch/arm/mach-s3c24xx/common.h +++ b/arch/arm/mach-s3c24xx/common.h @@ -67,16 +67,15 @@ extern struct syscore_ops s3c2416_irq_syscore_ops; #if defined(CONFIG_CPU_S3C2440) || defined(CONFIG_CPU_S3C2442) extern void s3c244x_map_io(void); extern void s3c244x_init_uarts(struct s3c2410_uartcfg *cfg, int no); -extern void s3c244x_init_clocks(int xtal); extern void s3c244x_restart(enum reboot_mode mode, const char *cmd); #else -#define s3c244x_init_clocks NULL #define s3c244x_init_uarts NULL #endif #ifdef CONFIG_CPU_S3C2440 extern int s3c2440_init(void); extern void s3c2440_map_io(void); +extern void s3c2440_init_clocks(int xtal); extern void s3c2440_init_irq(void); #else #define s3c2440_init NULL @@ -86,6 +85,7 @@ extern void s3c2440_init_irq(void); #ifdef CONFIG_CPU_S3C2442 extern int s3c2442_init(void); extern void s3c2442_map_io(void); +extern void s3c2442_init_clocks(int xtal); extern void s3c2442_init_irq(void); #else #define s3c2442_init NULL @@ -114,4 +114,21 @@ extern struct platform_device s3c2412_device_dma; extern struct platform_device s3c2440_device_dma; extern struct platform_device s3c2443_device_dma; +extern struct platform_device s3c2410_device_dclk; + +#ifdef CONFIG_S3C2410_COMMON_CLK +void __init s3c2410_common_clk_init(struct device_node *np, unsigned long xti_f, + int current_soc, + void __iomem *reg_base); +#endif +#ifdef CONFIG_S3C2412_COMMON_CLK +void __init s3c2412_common_clk_init(struct device_node *np, unsigned long xti_f, + unsigned long ext_f, void __iomem *reg_base); +#endif +#ifdef CONFIG_S3C2443_COMMON_CLK +void __init s3c2443_common_clk_init(struct device_node *np, unsigned long xti_f, + int current_soc, + void __iomem *reg_base); +#endif + #endif /* __ARCH_ARM_MACH_S3C24XX_COMMON_H */ diff --git a/arch/arm/mach-s3c24xx/cpufreq-utils.c b/arch/arm/mach-s3c24xx/cpufreq-utils.c index 2a0aa5684e72..d4d9514335f4 100644 --- a/arch/arm/mach-s3c24xx/cpufreq-utils.c +++ b/arch/arm/mach-s3c24xx/cpufreq-utils.c @@ -14,6 +14,7 @@ #include <linux/errno.h> #include <linux/cpufreq.h> #include <linux/io.h> +#include <linux/clk.h> #include <mach/map.h> #include <mach/regs-clock.h> @@ -60,5 +61,6 @@ void s3c2410_cpufreq_setrefresh(struct s3c_cpufreq_config *cfg) */ void s3c2410_set_fvco(struct s3c_cpufreq_config *cfg) { - __raw_writel(cfg->pll.driver_data, S3C2410_MPLLCON); + if (!IS_ERR(cfg->mpll)) + clk_set_rate(cfg->mpll, cfg->pll.frequency); } diff --git a/arch/arm/mach-s3c24xx/include/mach/debug-macro.S b/arch/arm/mach-s3c24xx/include/mach/debug-macro.S deleted file mode 100644 index 2f39737544c0..000000000000 --- a/arch/arm/mach-s3c24xx/include/mach/debug-macro.S +++ /dev/null @@ -1,101 +0,0 @@ -/* arch/arm/mach-s3c2410/include/mach/debug-macro.S - * - * Debugging macro include header - * - * Copyright (C) 1994-1999 Russell King - * Copyright (C) 2005 Simtec Electronics - * - * Moved from linux/arch/arm/kernel/debug.S by Ben Dooks - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. -*/ - -#include <mach/map.h> -#include <mach/regs-gpio.h> -#include <linux/serial_s3c.h> - -#define S3C2410_UART1_OFF (0x4000) -#define SHIFT_2440TXF (14-9) - - .macro addruart, rp, rv, tmp - ldr \rp, = S3C24XX_PA_UART - ldr \rv, = S3C24XX_VA_UART -#if CONFIG_DEBUG_S3C_UART != 0 - add \rp, \rp, #(S3C2410_UART1_OFF * CONFIG_DEBUG_S3C_UART) - add \rv, \rv, #(S3C2410_UART1_OFF * CONFIG_DEBUG_S3C_UART) -#endif - .endm - - .macro fifo_full_s3c24xx rd, rx - @ check for arm920 vs arm926. currently assume all arm926 - @ devices have an 64 byte FIFO identical to the s3c2440 - mrc p15, 0, \rd, c0, c0 - and \rd, \rd, #0xff0 - teq \rd, #0x260 - beq 1004f - mrc p15, 0, \rd, c1, c0 - tst \rd, #1 - addeq \rd, \rx, #(S3C24XX_PA_GPIO - S3C24XX_PA_UART) - addne \rd, \rx, #(S3C24XX_VA_GPIO - S3C24XX_VA_UART) - bic \rd, \rd, #0xff000 - ldr \rd, [\rd, # S3C2410_GSTATUS1 - S3C2410_GPIOREG(0)] - and \rd, \rd, #0x00ff0000 - teq \rd, #0x00440000 @ is it 2440? -1004: - ldr \rd, [\rx, # S3C2410_UFSTAT] - moveq \rd, \rd, lsr #SHIFT_2440TXF - tst \rd, #S3C2410_UFSTAT_TXFULL - .endm - - .macro fifo_full_s3c2410 rd, rx - ldr \rd, [\rx, # S3C2410_UFSTAT] - tst \rd, #S3C2410_UFSTAT_TXFULL - .endm - -/* fifo level reading */ - - .macro fifo_level_s3c24xx rd, rx - @ check for arm920 vs arm926. currently assume all arm926 - @ devices have an 64 byte FIFO identical to the s3c2440 - mrc p15, 0, \rd, c0, c0 - and \rd, \rd, #0xff0 - teq \rd, #0x260 - beq 10000f - mrc p15, 0, \rd, c1, c0 - tst \rd, #1 - addeq \rd, \rx, #(S3C24XX_PA_GPIO - S3C24XX_PA_UART) - addne \rd, \rx, #(S3C24XX_VA_GPIO - S3C24XX_VA_UART) - bic \rd, \rd, #0xff000 - ldr \rd, [\rd, # S3C2410_GSTATUS1 - S3C2410_GPIOREG(0)] - and \rd, \rd, #0x00ff0000 - teq \rd, #0x00440000 @ is it 2440? - -10000: - ldr \rd, [\rx, # S3C2410_UFSTAT] - andne \rd, \rd, #S3C2410_UFSTAT_TXMASK - andeq \rd, \rd, #S3C2440_UFSTAT_TXMASK - .endm - - .macro fifo_level_s3c2410 rd, rx - ldr \rd, [\rx, # S3C2410_UFSTAT] - and \rd, \rd, #S3C2410_UFSTAT_TXMASK - .endm - -/* Select the correct implementation depending on the configuration. The - * S3C2440 will get selected by default, as these are the most widely - * used variants of these -*/ - -#if defined(CONFIG_CPU_LLSERIAL_S3C2410_ONLY) -#define fifo_full fifo_full_s3c2410 -#define fifo_level fifo_level_s3c2410 -#elif !defined(CONFIG_CPU_LLSERIAL_S3C2440_ONLY) -#define fifo_full fifo_full_s3c24xx -#define fifo_level fifo_level_s3c24xx -#endif - -/* include the reset of the code which will do the work */ - -#include <debug/samsung.S> diff --git a/arch/arm/mach-s3c24xx/include/mach/regs-clock.h b/arch/arm/mach-s3c24xx/include/mach/regs-clock.h index 3415b60082d7..3db6c10de023 100644 --- a/arch/arm/mach-s3c24xx/include/mach/regs-clock.h +++ b/arch/arm/mach-s3c24xx/include/mach/regs-clock.h @@ -42,24 +42,6 @@ #define S3C2410_CLKCON_IIS (1<<17) #define S3C2410_CLKCON_SPI (1<<18) -/* DCLKCON register addresses in gpio.h */ - -#define S3C2410_DCLKCON_DCLK0EN (1<<0) -#define S3C2410_DCLKCON_DCLK0_PCLK (0<<1) -#define S3C2410_DCLKCON_DCLK0_UCLK (1<<1) -#define S3C2410_DCLKCON_DCLK0_DIV(x) (((x) - 1 )<<4) -#define S3C2410_DCLKCON_DCLK0_CMP(x) (((x) - 1 )<<8) -#define S3C2410_DCLKCON_DCLK0_DIV_MASK ((0xf)<<4) -#define S3C2410_DCLKCON_DCLK0_CMP_MASK ((0xf)<<8) - -#define S3C2410_DCLKCON_DCLK1EN (1<<16) -#define S3C2410_DCLKCON_DCLK1_PCLK (0<<17) -#define S3C2410_DCLKCON_DCLK1_UCLK (1<<17) -#define S3C2410_DCLKCON_DCLK1_DIV(x) (((x) - 1) <<20) -#define S3C2410_DCLKCON_DCLK1_CMP(x) (((x) - 1) <<24) -#define S3C2410_DCLKCON_DCLK1_DIV_MASK ((0xf) <<20) -#define S3C2410_DCLKCON_DCLK1_CMP_MASK ((0xf) <<24) - #define S3C2410_CLKDIVN_PDIVN (1<<0) #define S3C2410_CLKDIVN_HDIVN (1<<1) diff --git a/arch/arm/mach-s3c24xx/include/mach/regs-gpio.h b/arch/arm/mach-s3c24xx/include/mach/regs-gpio.h index c2ef016032ab..c6583cfa5835 100644 --- a/arch/arm/mach-s3c24xx/include/mach/regs-gpio.h +++ b/arch/arm/mach-s3c24xx/include/mach/regs-gpio.h @@ -457,9 +457,6 @@ /* miscellaneous control */ #define S3C2410_MISCCR S3C2410_GPIOREG(0x80) -#define S3C2410_DCLKCON S3C2410_GPIOREG(0x84) - -#define S3C24XX_DCLKCON S3C24XX_GPIOREG2(0x84) /* see clock.h for dclk definitions */ diff --git a/arch/arm/mach-s3c24xx/mach-amlm5900.c b/arch/arm/mach-s3c24xx/mach-amlm5900.c index 8ac9554aa996..5157e250dd13 100644 --- a/arch/arm/mach-s3c24xx/mach-amlm5900.c +++ b/arch/arm/mach-s3c24xx/mach-amlm5900.c @@ -161,11 +161,16 @@ static struct platform_device *amlm5900_devices[] __initdata = { static void __init amlm5900_map_io(void) { s3c24xx_init_io(amlm5900_iodesc, ARRAY_SIZE(amlm5900_iodesc)); - s3c24xx_init_clocks(0); s3c24xx_init_uarts(amlm5900_uartcfgs, ARRAY_SIZE(amlm5900_uartcfgs)); samsung_set_timer_source(SAMSUNG_PWM3, SAMSUNG_PWM4); } +static void __init amlm5900_init_time(void) +{ + s3c2410_init_clocks(12000000); + samsung_timer_init(); +} + #ifdef CONFIG_FB_S3C2410 static struct s3c2410fb_display __initdata amlm5900_lcd_info = { .width = 160, @@ -241,6 +246,6 @@ MACHINE_START(AML_M5900, "AML_M5900") .map_io = amlm5900_map_io, .init_irq = s3c2410_init_irq, .init_machine = amlm5900_init, - .init_time = samsung_timer_init, + .init_time = amlm5900_init_time, .restart = s3c2410_restart, MACHINE_END diff --git a/arch/arm/mach-s3c24xx/mach-anubis.c b/arch/arm/mach-s3c24xx/mach-anubis.c index 81a270af2336..e053581cab0b 100644 --- a/arch/arm/mach-s3c24xx/mach-anubis.c +++ b/arch/arm/mach-s3c24xx/mach-anubis.c @@ -46,7 +46,6 @@ #include <net/ax88796.h> -#include <plat/clock.h> #include <plat/devs.h> #include <plat/cpu.h> #include <linux/platform_data/asoc-s3c24xx_simtec.h> @@ -352,6 +351,7 @@ static struct platform_device anubis_device_sm501 = { /* Standard Anubis devices */ static struct platform_device *anubis_devices[] __initdata = { + &s3c2410_device_dclk, &s3c_device_ohci, &s3c_device_wdt, &s3c_device_adc, @@ -364,14 +364,6 @@ static struct platform_device *anubis_devices[] __initdata = { &anubis_device_sm501, }; -static struct clk *anubis_clocks[] __initdata = { - &s3c24xx_dclk0, - &s3c24xx_dclk1, - &s3c24xx_clkout0, - &s3c24xx_clkout1, - &s3c24xx_uclk, -}; - /* I2C devices. */ static struct i2c_board_info anubis_i2c_devs[] __initdata = { @@ -394,23 +386,7 @@ static struct s3c24xx_audio_simtec_pdata __initdata anubis_audio = { static void __init anubis_map_io(void) { - /* initialise the clocks */ - - s3c24xx_dclk0.parent = &clk_upll; - s3c24xx_dclk0.rate = 12*1000*1000; - - s3c24xx_dclk1.parent = &clk_upll; - s3c24xx_dclk1.rate = 24*1000*1000; - - s3c24xx_clkout0.parent = &s3c24xx_dclk0; - s3c24xx_clkout1.parent = &s3c24xx_dclk1; - - s3c24xx_uclk.parent = &s3c24xx_clkout1; - - s3c24xx_register_clocks(anubis_clocks, ARRAY_SIZE(anubis_clocks)); - s3c24xx_init_io(anubis_iodesc, ARRAY_SIZE(anubis_iodesc)); - s3c24xx_init_clocks(0); s3c24xx_init_uarts(anubis_uartcfgs, ARRAY_SIZE(anubis_uartcfgs)); samsung_set_timer_source(SAMSUNG_PWM3, SAMSUNG_PWM4); @@ -428,6 +404,12 @@ static void __init anubis_map_io(void) } } +static void __init anubis_init_time(void) +{ + s3c2440_init_clocks(12000000); + samsung_timer_init(); +} + static void __init anubis_init(void) { s3c_i2c0_set_platdata(NULL); @@ -447,6 +429,6 @@ MACHINE_START(ANUBIS, "Simtec-Anubis") .map_io = anubis_map_io, .init_machine = anubis_init, .init_irq = s3c2440_init_irq, - .init_time = samsung_timer_init, + .init_time = anubis_init_time, .restart = s3c244x_restart, MACHINE_END diff --git a/arch/arm/mach-s3c24xx/mach-at2440evb.c b/arch/arm/mach-s3c24xx/mach-at2440evb.c index d8f6bb1096cb..9db768f448a5 100644 --- a/arch/arm/mach-s3c24xx/mach-at2440evb.c +++ b/arch/arm/mach-s3c24xx/mach-at2440evb.c @@ -45,7 +45,6 @@ #include <linux/mtd/nand_ecc.h> #include <linux/mtd/partitions.h> -#include <plat/clock.h> #include <plat/devs.h> #include <plat/cpu.h> #include <linux/platform_data/mmc-s3cmci.h> @@ -192,11 +191,16 @@ static struct platform_device *at2440evb_devices[] __initdata = { static void __init at2440evb_map_io(void) { s3c24xx_init_io(at2440evb_iodesc, ARRAY_SIZE(at2440evb_iodesc)); - s3c24xx_init_clocks(16934400); s3c24xx_init_uarts(at2440evb_uartcfgs, ARRAY_SIZE(at2440evb_uartcfgs)); samsung_set_timer_source(SAMSUNG_PWM3, SAMSUNG_PWM4); } +static void __init at2440evb_init_time(void) +{ + s3c2440_init_clocks(16934400); + samsung_timer_init(); +} + static void __init at2440evb_init(void) { s3c24xx_fb_set_platdata(&at2440evb_fb_info); @@ -213,6 +217,6 @@ MACHINE_START(AT2440EVB, "AT2440EVB") .map_io = at2440evb_map_io, .init_machine = at2440evb_init, .init_irq = s3c2440_init_irq, - .init_time = samsung_timer_init, + .init_time = at2440evb_init_time, .restart = s3c244x_restart, MACHINE_END diff --git a/arch/arm/mach-s3c24xx/mach-bast.c b/arch/arm/mach-s3c24xx/mach-bast.c index e371ff53a408..f9112b801a33 100644 --- a/arch/arm/mach-s3c24xx/mach-bast.c +++ b/arch/arm/mach-s3c24xx/mach-bast.c @@ -51,7 +51,6 @@ #include <mach/regs-lcd.h> #include <mach/gpio-samsung.h> -#include <plat/clock.h> #include <plat/cpu.h> #include <plat/cpu-freq.h> #include <plat/devs.h> @@ -523,6 +522,7 @@ static struct s3c_hwmon_pdata bast_hwmon_info = { // cat /sys/devices/platform/s3c24xx-adc/s3c-hwmon/in_0 static struct platform_device *bast_devices[] __initdata = { + &s3c2410_device_dclk, &s3c_device_ohci, &s3c_device_lcd, &s3c_device_wdt, @@ -537,14 +537,6 @@ static struct platform_device *bast_devices[] __initdata = { &bast_sio, }; -static struct clk *bast_clocks[] __initdata = { - &s3c24xx_dclk0, - &s3c24xx_dclk1, - &s3c24xx_clkout0, - &s3c24xx_clkout1, - &s3c24xx_uclk, -}; - static struct s3c_cpufreq_board __initdata bast_cpufreq = { .refresh = 7800, /* 7.8usec */ .auto_io = 1, @@ -558,29 +550,19 @@ static struct s3c24xx_audio_simtec_pdata __initdata bast_audio = { static void __init bast_map_io(void) { - /* initialise the clocks */ - - s3c24xx_dclk0.parent = &clk_upll; - s3c24xx_dclk0.rate = 12*1000*1000; - - s3c24xx_dclk1.parent = &clk_upll; - s3c24xx_dclk1.rate = 24*1000*1000; - - s3c24xx_clkout0.parent = &s3c24xx_dclk0; - s3c24xx_clkout1.parent = &s3c24xx_dclk1; - - s3c24xx_uclk.parent = &s3c24xx_clkout1; - - s3c24xx_register_clocks(bast_clocks, ARRAY_SIZE(bast_clocks)); - s3c_hwmon_set_platdata(&bast_hwmon_info); s3c24xx_init_io(bast_iodesc, ARRAY_SIZE(bast_iodesc)); - s3c24xx_init_clocks(0); s3c24xx_init_uarts(bast_uartcfgs, ARRAY_SIZE(bast_uartcfgs)); samsung_set_timer_source(SAMSUNG_PWM3, SAMSUNG_PWM4); } +static void __init bast_init_time(void) +{ + s3c2410_init_clocks(12000000); + samsung_timer_init(); +} + static void __init bast_init(void) { register_syscore_ops(&bast_pm_syscore_ops); @@ -608,6 +590,6 @@ MACHINE_START(BAST, "Simtec-BAST") .map_io = bast_map_io, .init_irq = s3c2410_init_irq, .init_machine = bast_init, - .init_time = samsung_timer_init, + .init_time = bast_init_time, .restart = s3c2410_restart, MACHINE_END diff --git a/arch/arm/mach-s3c24xx/mach-gta02.c b/arch/arm/mach-s3c24xx/mach-gta02.c index dc4db849f0fd..fc3a08d0cb3f 100644 --- a/arch/arm/mach-s3c24xx/mach-gta02.c +++ b/arch/arm/mach-s3c24xx/mach-gta02.c @@ -501,7 +501,6 @@ static struct platform_device gta02_buttons_device = { static void __init gta02_map_io(void) { s3c24xx_init_io(gta02_iodesc, ARRAY_SIZE(gta02_iodesc)); - s3c24xx_init_clocks(12000000); s3c24xx_init_uarts(gta02_uartcfgs, ARRAY_SIZE(gta02_uartcfgs)); samsung_set_timer_source(SAMSUNG_PWM3, SAMSUNG_PWM4); } @@ -585,6 +584,11 @@ static void __init gta02_machine_init(void) regulator_has_full_constraints(); } +static void __init gta02_init_time(void) +{ + s3c2442_init_clocks(12000000); + samsung_timer_init(); +} MACHINE_START(NEO1973_GTA02, "GTA02") /* Maintainer: Nelson Castillo <arhuaco@freaks-unidos.net> */ @@ -592,6 +596,6 @@ MACHINE_START(NEO1973_GTA02, "GTA02") .map_io = gta02_map_io, .init_irq = s3c2442_init_irq, .init_machine = gta02_machine_init, - .init_time = samsung_timer_init, + .init_time = gta02_init_time, .restart = s3c244x_restart, MACHINE_END diff --git a/arch/arm/mach-s3c24xx/mach-h1940.c b/arch/arm/mach-s3c24xx/mach-h1940.c index e453acd92cbf..fbf5487ae5d1 100644 --- a/arch/arm/mach-s3c24xx/mach-h1940.c +++ b/arch/arm/mach-s3c24xx/mach-h1940.c @@ -57,7 +57,6 @@ #include <mach/regs-lcd.h> #include <mach/gpio-samsung.h> -#include <plat/clock.h> #include <plat/cpu.h> #include <plat/devs.h> #include <plat/gpio-cfg.h> @@ -646,7 +645,6 @@ static struct platform_device *h1940_devices[] __initdata = { static void __init h1940_map_io(void) { s3c24xx_init_io(h1940_iodesc, ARRAY_SIZE(h1940_iodesc)); - s3c24xx_init_clocks(0); s3c24xx_init_uarts(h1940_uartcfgs, ARRAY_SIZE(h1940_uartcfgs)); samsung_set_timer_source(SAMSUNG_PWM3, SAMSUNG_PWM4); @@ -662,6 +660,12 @@ static void __init h1940_map_io(void) WARN_ON(gpiochip_add(&h1940_latch_gpiochip)); } +static void __init h1940_init_time(void) +{ + s3c2410_init_clocks(12000000); + samsung_timer_init(); +} + /* H1940 and RX3715 need to reserve this for suspend */ static void __init h1940_reserve(void) { @@ -739,6 +743,6 @@ MACHINE_START(H1940, "IPAQ-H1940") .reserve = h1940_reserve, .init_irq = s3c2410_init_irq, .init_machine = h1940_init, - .init_time = samsung_timer_init, + .init_time = h1940_init_time, .restart = s3c2410_restart, MACHINE_END diff --git a/arch/arm/mach-s3c24xx/mach-jive.c b/arch/arm/mach-s3c24xx/mach-jive.c index 5faa7239e7d6..e81ea82c55f9 100644 --- a/arch/arm/mach-s3c24xx/mach-jive.c +++ b/arch/arm/mach-s3c24xx/mach-jive.c @@ -507,11 +507,16 @@ static struct syscore_ops jive_pm_syscore_ops = { static void __init jive_map_io(void) { s3c24xx_init_io(jive_iodesc, ARRAY_SIZE(jive_iodesc)); - s3c24xx_init_clocks(12000000); s3c24xx_init_uarts(jive_uartcfgs, ARRAY_SIZE(jive_uartcfgs)); samsung_set_timer_source(SAMSUNG_PWM3, SAMSUNG_PWM4); } +static void __init jive_init_time(void) +{ + s3c2412_init_clocks(12000000); + samsung_timer_init(); +} + static void jive_power_off(void) { printk(KERN_INFO "powering system down...\n"); @@ -665,6 +670,6 @@ MACHINE_START(JIVE, "JIVE") .init_irq = s3c2412_init_irq, .map_io = jive_map_io, .init_machine = jive_machine_init, - .init_time = samsung_timer_init, + .init_time = jive_init_time, .restart = s3c2412_restart, MACHINE_END diff --git a/arch/arm/mach-s3c24xx/mach-mini2440.c b/arch/arm/mach-s3c24xx/mach-mini2440.c index 9e57fd9f4f3b..5cc40ec1d254 100644 --- a/arch/arm/mach-s3c24xx/mach-mini2440.c +++ b/arch/arm/mach-s3c24xx/mach-mini2440.c @@ -54,7 +54,6 @@ #include <linux/mtd/partitions.h> #include <plat/gpio-cfg.h> -#include <plat/clock.h> #include <plat/devs.h> #include <plat/cpu.h> #include <plat/samsung-time.h> @@ -525,11 +524,16 @@ static struct platform_device *mini2440_devices[] __initdata = { static void __init mini2440_map_io(void) { s3c24xx_init_io(mini2440_iodesc, ARRAY_SIZE(mini2440_iodesc)); - s3c24xx_init_clocks(12000000); s3c24xx_init_uarts(mini2440_uartcfgs, ARRAY_SIZE(mini2440_uartcfgs)); samsung_set_timer_source(SAMSUNG_PWM3, SAMSUNG_PWM4); } +static void __init mini2440_init_time(void) +{ + s3c2440_init_clocks(12000000); + samsung_timer_init(); +} + /* * mini2440_features string * @@ -690,6 +694,6 @@ MACHINE_START(MINI2440, "MINI2440") .map_io = mini2440_map_io, .init_machine = mini2440_init, .init_irq = s3c2440_init_irq, - .init_time = samsung_timer_init, + .init_time = mini2440_init_time, .restart = s3c244x_restart, MACHINE_END diff --git a/arch/arm/mach-s3c24xx/mach-n30.c b/arch/arm/mach-s3c24xx/mach-n30.c index 4cccaad34847..3ac2a54348d6 100644 --- a/arch/arm/mach-s3c24xx/mach-n30.c +++ b/arch/arm/mach-s3c24xx/mach-n30.c @@ -45,7 +45,6 @@ #include <linux/platform_data/i2c-s3c2410.h> -#include <plat/clock.h> #include <plat/cpu.h> #include <plat/devs.h> #include <linux/platform_data/mmc-s3cmci.h> @@ -535,11 +534,16 @@ static void __init n30_map_io(void) { s3c24xx_init_io(n30_iodesc, ARRAY_SIZE(n30_iodesc)); n30_hwinit(); - s3c24xx_init_clocks(0); s3c24xx_init_uarts(n30_uartcfgs, ARRAY_SIZE(n30_uartcfgs)); samsung_set_timer_source(SAMSUNG_PWM3, SAMSUNG_PWM4); } +static void __init n30_init_time(void) +{ + s3c2410_init_clocks(12000000); + samsung_timer_init(); +} + /* GPB3 is the line that controls the pull-up for the USB D+ line */ static void __init n30_init(void) @@ -591,7 +595,7 @@ MACHINE_START(N30, "Acer-N30") Ben Dooks <ben-linux@fluff.org> */ .atag_offset = 0x100, - .init_time = samsung_timer_init, + .init_time = n30_init_time, .init_machine = n30_init, .init_irq = s3c2410_init_irq, .map_io = n30_map_io, @@ -602,7 +606,7 @@ MACHINE_START(N35, "Acer-N35") /* Maintainer: Christer Weinigel <christer@weinigel.se> */ .atag_offset = 0x100, - .init_time = samsung_timer_init, + .init_time = n30_init_time, .init_machine = n30_init, .init_irq = s3c2410_init_irq, .map_io = n30_map_io, diff --git a/arch/arm/mach-s3c24xx/mach-nexcoder.c b/arch/arm/mach-s3c24xx/mach-nexcoder.c index 3066851f584d..c82c281ce351 100644 --- a/arch/arm/mach-s3c24xx/mach-nexcoder.c +++ b/arch/arm/mach-s3c24xx/mach-nexcoder.c @@ -42,7 +42,6 @@ #include <linux/platform_data/i2c-s3c2410.h> #include <plat/gpio-cfg.h> -#include <plat/clock.h> #include <plat/devs.h> #include <plat/cpu.h> #include <plat/samsung-time.h> @@ -135,13 +134,18 @@ static void __init nexcoder_sensorboard_init(void) static void __init nexcoder_map_io(void) { s3c24xx_init_io(nexcoder_iodesc, ARRAY_SIZE(nexcoder_iodesc)); - s3c24xx_init_clocks(0); s3c24xx_init_uarts(nexcoder_uartcfgs, ARRAY_SIZE(nexcoder_uartcfgs)); samsung_set_timer_source(SAMSUNG_PWM3, SAMSUNG_PWM4); nexcoder_sensorboard_init(); } +static void __init nexcoder_init_time(void) +{ + s3c2440_init_clocks(12000000); + samsung_timer_init(); +} + static void __init nexcoder_init(void) { s3c_i2c0_set_platdata(NULL); @@ -154,6 +158,6 @@ MACHINE_START(NEXCODER_2440, "NexVision - Nexcoder 2440") .map_io = nexcoder_map_io, .init_machine = nexcoder_init, .init_irq = s3c2440_init_irq, - .init_time = samsung_timer_init, + .init_time = nexcoder_init_time, .restart = s3c244x_restart, MACHINE_END diff --git a/arch/arm/mach-s3c24xx/mach-osiris.c b/arch/arm/mach-s3c24xx/mach-osiris.c index a4ae4bb3666d..189147b80eca 100644 --- a/arch/arm/mach-s3c24xx/mach-osiris.c +++ b/arch/arm/mach-s3c24xx/mach-osiris.c @@ -40,7 +40,6 @@ #include <linux/mtd/nand_ecc.h> #include <linux/mtd/partitions.h> -#include <plat/clock.h> #include <plat/cpu.h> #include <plat/cpu-freq.h> #include <plat/devs.h> @@ -344,20 +343,13 @@ static struct i2c_board_info osiris_i2c_devs[] __initdata = { /* Standard Osiris devices */ static struct platform_device *osiris_devices[] __initdata = { + &s3c2410_device_dclk, &s3c_device_i2c0, &s3c_device_wdt, &s3c_device_nand, &osiris_pcmcia, }; -static struct clk *osiris_clocks[] __initdata = { - &s3c24xx_dclk0, - &s3c24xx_dclk1, - &s3c24xx_clkout0, - &s3c24xx_clkout1, - &s3c24xx_uclk, -}; - static struct s3c_cpufreq_board __initdata osiris_cpufreq = { .refresh = 7800, /* refresh period is 7.8usec */ .auto_io = 1, @@ -368,23 +360,7 @@ static void __init osiris_map_io(void) { unsigned long flags; - /* initialise the clocks */ - - s3c24xx_dclk0.parent = &clk_upll; - s3c24xx_dclk0.rate = 12*1000*1000; - - s3c24xx_dclk1.parent = &clk_upll; - s3c24xx_dclk1.rate = 24*1000*1000; - - s3c24xx_clkout0.parent = &s3c24xx_dclk0; - s3c24xx_clkout1.parent = &s3c24xx_dclk1; - - s3c24xx_uclk.parent = &s3c24xx_clkout1; - - s3c24xx_register_clocks(osiris_clocks, ARRAY_SIZE(osiris_clocks)); - s3c24xx_init_io(osiris_iodesc, ARRAY_SIZE(osiris_iodesc)); - s3c24xx_init_clocks(0); s3c24xx_init_uarts(osiris_uartcfgs, ARRAY_SIZE(osiris_uartcfgs)); samsung_set_timer_source(SAMSUNG_PWM3, SAMSUNG_PWM4); @@ -408,6 +384,12 @@ static void __init osiris_map_io(void) local_irq_restore(flags); } +static void __init osiris_init_time(void) +{ + s3c2440_init_clocks(12000000); + samsung_timer_init(); +} + static void __init osiris_init(void) { register_syscore_ops(&osiris_pm_syscore_ops); @@ -429,6 +411,6 @@ MACHINE_START(OSIRIS, "Simtec-OSIRIS") .map_io = osiris_map_io, .init_irq = s3c2440_init_irq, .init_machine = osiris_init, - .init_time = samsung_timer_init, + .init_time = osiris_init_time, .restart = s3c244x_restart, MACHINE_END diff --git a/arch/arm/mach-s3c24xx/mach-otom.c b/arch/arm/mach-s3c24xx/mach-otom.c index bdb3faac2d9b..45833001186d 100644 --- a/arch/arm/mach-s3c24xx/mach-otom.c +++ b/arch/arm/mach-s3c24xx/mach-otom.c @@ -30,7 +30,6 @@ #include <mach/hardware.h> #include <mach/regs-gpio.h> -#include <plat/clock.h> #include <plat/cpu.h> #include <plat/devs.h> #include <plat/samsung-time.h> @@ -100,11 +99,16 @@ static struct platform_device *otom11_devices[] __initdata = { static void __init otom11_map_io(void) { s3c24xx_init_io(otom11_iodesc, ARRAY_SIZE(otom11_iodesc)); - s3c24xx_init_clocks(0); s3c24xx_init_uarts(otom11_uartcfgs, ARRAY_SIZE(otom11_uartcfgs)); samsung_set_timer_source(SAMSUNG_PWM3, SAMSUNG_PWM4); } +static void __init otom11_init_time(void) +{ + s3c2410_init_clocks(12000000); + samsung_timer_init(); +} + static void __init otom11_init(void) { s3c_i2c0_set_platdata(NULL); @@ -117,6 +121,6 @@ MACHINE_START(OTOM, "Nex Vision - Otom 1.1") .map_io = otom11_map_io, .init_machine = otom11_init, .init_irq = s3c2410_init_irq, - .init_time = samsung_timer_init, + .init_time = otom11_init_time, .restart = s3c2410_restart, MACHINE_END diff --git a/arch/arm/mach-s3c24xx/mach-qt2410.c b/arch/arm/mach-s3c24xx/mach-qt2410.c index 8c12787a8fd3..228c9094519d 100644 --- a/arch/arm/mach-s3c24xx/mach-qt2410.c +++ b/arch/arm/mach-s3c24xx/mach-qt2410.c @@ -304,11 +304,16 @@ __setup("tft=", qt2410_tft_setup); static void __init qt2410_map_io(void) { s3c24xx_init_io(qt2410_iodesc, ARRAY_SIZE(qt2410_iodesc)); - s3c24xx_init_clocks(12*1000*1000); s3c24xx_init_uarts(smdk2410_uartcfgs, ARRAY_SIZE(smdk2410_uartcfgs)); samsung_set_timer_source(SAMSUNG_PWM3, SAMSUNG_PWM4); } +static void __init qt2410_init_time(void) +{ + s3c2410_init_clocks(12000000); + samsung_timer_init(); +} + static void __init qt2410_machine_init(void) { s3c_nand_set_platdata(&qt2410_nand_info); @@ -346,6 +351,6 @@ MACHINE_START(QT2410, "QT2410") .map_io = qt2410_map_io, .init_irq = s3c2410_init_irq, .init_machine = qt2410_machine_init, - .init_time = samsung_timer_init, + .init_time = qt2410_init_time, .restart = s3c2410_restart, MACHINE_END diff --git a/arch/arm/mach-s3c24xx/mach-rx1950.c b/arch/arm/mach-s3c24xx/mach-rx1950.c index afb784e934c8..e2c6541909c1 100644 --- a/arch/arm/mach-s3c24xx/mach-rx1950.c +++ b/arch/arm/mach-s3c24xx/mach-rx1950.c @@ -54,7 +54,6 @@ #include <mach/regs-lcd.h> #include <mach/gpio-samsung.h> -#include <plat/clock.h> #include <plat/cpu.h> #include <plat/devs.h> #include <plat/pm.h> @@ -710,6 +709,7 @@ static struct i2c_board_info rx1950_i2c_devices[] = { }; static struct platform_device *rx1950_devices[] __initdata = { + &s3c2410_device_dclk, &s3c_device_lcd, &s3c_device_wdt, &s3c_device_i2c0, @@ -728,20 +728,9 @@ static struct platform_device *rx1950_devices[] __initdata = { &rx1950_leds, }; -static struct clk *rx1950_clocks[] __initdata = { - &s3c24xx_clkout0, - &s3c24xx_clkout1, -}; - static void __init rx1950_map_io(void) { - s3c24xx_clkout0.parent = &clk_h; - s3c24xx_clkout1.parent = &clk_f; - - s3c24xx_register_clocks(rx1950_clocks, ARRAY_SIZE(rx1950_clocks)); - s3c24xx_init_io(rx1950_iodesc, ARRAY_SIZE(rx1950_iodesc)); - s3c24xx_init_clocks(16934000); s3c24xx_init_uarts(rx1950_uartcfgs, ARRAY_SIZE(rx1950_uartcfgs)); samsung_set_timer_source(SAMSUNG_PWM3, SAMSUNG_PWM4); @@ -754,6 +743,12 @@ static void __init rx1950_map_io(void) s3c_pm_init(); } +static void __init rx1950_init_time(void) +{ + s3c2442_init_clocks(16934000); + samsung_timer_init(); +} + static void __init rx1950_init_machine(void) { int i; @@ -816,6 +811,6 @@ MACHINE_START(RX1950, "HP iPAQ RX1950") .reserve = rx1950_reserve, .init_irq = s3c2442_init_irq, .init_machine = rx1950_init_machine, - .init_time = samsung_timer_init, + .init_time = rx1950_init_time, .restart = s3c244x_restart, MACHINE_END diff --git a/arch/arm/mach-s3c24xx/mach-rx3715.c b/arch/arm/mach-s3c24xx/mach-rx3715.c index e6535ce1bc5c..6e749ec3a2ea 100644 --- a/arch/arm/mach-s3c24xx/mach-rx3715.c +++ b/arch/arm/mach-s3c24xx/mach-rx3715.c @@ -46,7 +46,6 @@ #include <mach/regs-lcd.h> #include <mach/gpio-samsung.h> -#include <plat/clock.h> #include <plat/cpu.h> #include <plat/devs.h> #include <plat/pm.h> @@ -179,11 +178,16 @@ static struct platform_device *rx3715_devices[] __initdata = { static void __init rx3715_map_io(void) { s3c24xx_init_io(rx3715_iodesc, ARRAY_SIZE(rx3715_iodesc)); - s3c24xx_init_clocks(16934000); s3c24xx_init_uarts(rx3715_uartcfgs, ARRAY_SIZE(rx3715_uartcfgs)); samsung_set_timer_source(SAMSUNG_PWM3, SAMSUNG_PWM4); } +static void __init rx3715_init_time(void) +{ + s3c2440_init_clocks(16934000); + samsung_timer_init(); +} + /* H1940 and RX3715 need to reserve this for suspend */ static void __init rx3715_reserve(void) { @@ -210,6 +214,6 @@ MACHINE_START(RX3715, "IPAQ-RX3715") .reserve = rx3715_reserve, .init_irq = s3c2440_init_irq, .init_machine = rx3715_init_machine, - .init_time = samsung_timer_init, + .init_time = rx3715_init_time, .restart = s3c244x_restart, MACHINE_END diff --git a/arch/arm/mach-s3c24xx/mach-s3c2416-dt.c b/arch/arm/mach-s3c24xx/mach-s3c2416-dt.c index 70f0900d4bca..e4dcb9aa2ca2 100644 --- a/arch/arm/mach-s3c24xx/mach-s3c2416-dt.c +++ b/arch/arm/mach-s3c24xx/mach-s3c2416-dt.c @@ -18,7 +18,6 @@ #include <linux/clocksource.h> #include <linux/irqchip.h> #include <linux/of_platform.h> -#include <linux/serial_core.h> #include <linux/serial_s3c.h> #include <asm/mach/arch.h> @@ -29,48 +28,14 @@ #include "common.h" -/* - * The following lookup table is used to override device names when devices - * are registered from device tree. This is temporarily added to enable - * device tree support addition for the S3C2416 architecture. - * - * For drivers that require platform data to be provided from the machine - * file, a platform data pointer can also be supplied along with the - * devices names. Usually, the platform data elements that cannot be parsed - * from the device tree by the drivers (example: function pointers) are - * supplied. But it should be noted that this is a temporary mechanism and - * at some point, the drivers should be capable of parsing all the platform - * data from the device tree. - */ -static const struct of_dev_auxdata s3c2416_auxdata_lookup[] __initconst = { - OF_DEV_AUXDATA("samsung,s3c2440-uart", S3C24XX_PA_UART, - "s3c2440-uart.0", NULL), - OF_DEV_AUXDATA("samsung,s3c2440-uart", S3C24XX_PA_UART + 0x4000, - "s3c2440-uart.1", NULL), - OF_DEV_AUXDATA("samsung,s3c2440-uart", S3C24XX_PA_UART + 0x8000, - "s3c2440-uart.2", NULL), - OF_DEV_AUXDATA("samsung,s3c2440-uart", S3C24XX_PA_UART + 0xC000, - "s3c2440-uart.3", NULL), - OF_DEV_AUXDATA("samsung,s3c6410-sdhci", S3C_PA_HSMMC0, - "s3c-sdhci.0", NULL), - OF_DEV_AUXDATA("samsung,s3c6410-sdhci", S3C_PA_HSMMC1, - "s3c-sdhci.1", NULL), - OF_DEV_AUXDATA("samsung,s3c2440-i2c", S3C_PA_IIC, - "s3c2440-i2c.0", NULL), - {}, -}; - static void __init s3c2416_dt_map_io(void) { s3c24xx_init_io(NULL, 0); - s3c24xx_init_clocks(12000000); } static void __init s3c2416_dt_machine_init(void) { - of_platform_populate(NULL, of_default_bus_match_table, - s3c2416_auxdata_lookup, NULL); - + of_platform_populate(NULL, of_default_bus_match_table, NULL, NULL); s3c_pm_init(); } @@ -86,6 +51,5 @@ DT_MACHINE_START(S3C2416_DT, "Samsung S3C2416 (Flattened Device Tree)") .map_io = s3c2416_dt_map_io, .init_irq = irqchip_init, .init_machine = s3c2416_dt_machine_init, - .init_time = clocksource_of_init, .restart = s3c2416_restart, MACHINE_END diff --git a/arch/arm/mach-s3c24xx/mach-smdk2410.c b/arch/arm/mach-s3c24xx/mach-smdk2410.c index f32924ee0e9f..419fadd6e446 100644 --- a/arch/arm/mach-s3c24xx/mach-smdk2410.c +++ b/arch/arm/mach-s3c24xx/mach-smdk2410.c @@ -99,11 +99,16 @@ static struct platform_device *smdk2410_devices[] __initdata = { static void __init smdk2410_map_io(void) { s3c24xx_init_io(smdk2410_iodesc, ARRAY_SIZE(smdk2410_iodesc)); - s3c24xx_init_clocks(0); s3c24xx_init_uarts(smdk2410_uartcfgs, ARRAY_SIZE(smdk2410_uartcfgs)); samsung_set_timer_source(SAMSUNG_PWM3, SAMSUNG_PWM4); } +static void __init smdk2410_init_time(void) +{ + s3c2410_init_clocks(12000000); + samsung_timer_init(); +} + static void __init smdk2410_init(void) { s3c_i2c0_set_platdata(NULL); @@ -118,6 +123,6 @@ MACHINE_START(SMDK2410, "SMDK2410") /* @TODO: request a new identifier and switc .map_io = smdk2410_map_io, .init_irq = s3c2410_init_irq, .init_machine = smdk2410_init, - .init_time = samsung_timer_init, + .init_time = smdk2410_init_time, .restart = s3c2410_restart, MACHINE_END diff --git a/arch/arm/mach-s3c24xx/mach-smdk2413.c b/arch/arm/mach-s3c24xx/mach-smdk2413.c index 233fe52d2015..a38f8a049e22 100644 --- a/arch/arm/mach-s3c24xx/mach-smdk2413.c +++ b/arch/arm/mach-s3c24xx/mach-smdk2413.c @@ -106,11 +106,16 @@ static void __init smdk2413_fixup(struct tag *tags, char **cmdline, static void __init smdk2413_map_io(void) { s3c24xx_init_io(smdk2413_iodesc, ARRAY_SIZE(smdk2413_iodesc)); - s3c24xx_init_clocks(12000000); s3c24xx_init_uarts(smdk2413_uartcfgs, ARRAY_SIZE(smdk2413_uartcfgs)); samsung_set_timer_source(SAMSUNG_PWM3, SAMSUNG_PWM4); } +static void __init smdk2413_init_time(void) +{ + s3c2412_init_clocks(12000000); + samsung_timer_init(); +} + static void __init smdk2413_machine_init(void) { /* Turn off suspend on both USB ports, and switch the * selectable USB port to USB device mode. */ @@ -159,6 +164,6 @@ MACHINE_START(SMDK2413, "SMDK2413") .init_irq = s3c2412_init_irq, .map_io = smdk2413_map_io, .init_machine = smdk2413_machine_init, - .init_time = samsung_timer_init, + .init_time = smdk2413_init_time, .restart = s3c2412_restart, MACHINE_END diff --git a/arch/arm/mach-s3c24xx/mach-smdk2416.c b/arch/arm/mach-s3c24xx/mach-smdk2416.c index b3b54d8e1410..fa6f30d23601 100644 --- a/arch/arm/mach-s3c24xx/mach-smdk2416.c +++ b/arch/arm/mach-s3c24xx/mach-smdk2416.c @@ -219,10 +219,15 @@ static struct platform_device *smdk2416_devices[] __initdata = { &s3c2443_device_dma, }; +static void __init smdk2416_init_time(void) +{ + s3c2416_init_clocks(12000000); + samsung_timer_init(); +} + static void __init smdk2416_map_io(void) { s3c24xx_init_io(smdk2416_iodesc, ARRAY_SIZE(smdk2416_iodesc)); - s3c24xx_init_clocks(12000000); s3c24xx_init_uarts(smdk2416_uartcfgs, ARRAY_SIZE(smdk2416_uartcfgs)); samsung_set_timer_source(SAMSUNG_PWM3, SAMSUNG_PWM4); } @@ -257,6 +262,6 @@ MACHINE_START(SMDK2416, "SMDK2416") .init_irq = s3c2416_init_irq, .map_io = smdk2416_map_io, .init_machine = smdk2416_machine_init, - .init_time = samsung_timer_init, + .init_time = smdk2416_init_time, .restart = s3c2416_restart, MACHINE_END diff --git a/arch/arm/mach-s3c24xx/mach-smdk2440.c b/arch/arm/mach-s3c24xx/mach-smdk2440.c index d071dcfea548..5fb89c0ae17a 100644 --- a/arch/arm/mach-s3c24xx/mach-smdk2440.c +++ b/arch/arm/mach-s3c24xx/mach-smdk2440.c @@ -38,7 +38,6 @@ #include <mach/fb.h> #include <linux/platform_data/i2c-s3c2410.h> -#include <plat/clock.h> #include <plat/devs.h> #include <plat/cpu.h> #include <plat/samsung-time.h> @@ -159,11 +158,16 @@ static struct platform_device *smdk2440_devices[] __initdata = { static void __init smdk2440_map_io(void) { s3c24xx_init_io(smdk2440_iodesc, ARRAY_SIZE(smdk2440_iodesc)); - s3c24xx_init_clocks(16934400); s3c24xx_init_uarts(smdk2440_uartcfgs, ARRAY_SIZE(smdk2440_uartcfgs)); samsung_set_timer_source(SAMSUNG_PWM3, SAMSUNG_PWM4); } +static void __init smdk2440_init_time(void) +{ + s3c2440_init_clocks(16934400); + samsung_timer_init(); +} + static void __init smdk2440_machine_init(void) { s3c24xx_fb_set_platdata(&smdk2440_fb_info); @@ -180,6 +184,6 @@ MACHINE_START(S3C2440, "SMDK2440") .init_irq = s3c2440_init_irq, .map_io = smdk2440_map_io, .init_machine = smdk2440_machine_init, - .init_time = samsung_timer_init, + .init_time = smdk2440_init_time, .restart = s3c244x_restart, MACHINE_END diff --git a/arch/arm/mach-s3c24xx/mach-smdk2443.c b/arch/arm/mach-s3c24xx/mach-smdk2443.c index 06c4d77de3a5..ef5d5ea33182 100644 --- a/arch/arm/mach-s3c24xx/mach-smdk2443.c +++ b/arch/arm/mach-s3c24xx/mach-smdk2443.c @@ -121,11 +121,16 @@ static struct platform_device *smdk2443_devices[] __initdata = { static void __init smdk2443_map_io(void) { s3c24xx_init_io(smdk2443_iodesc, ARRAY_SIZE(smdk2443_iodesc)); - s3c24xx_init_clocks(12000000); s3c24xx_init_uarts(smdk2443_uartcfgs, ARRAY_SIZE(smdk2443_uartcfgs)); samsung_set_timer_source(SAMSUNG_PWM3, SAMSUNG_PWM4); } +static void __init smdk2443_init_time(void) +{ + s3c2443_init_clocks(12000000); + samsung_timer_init(); +} + static void __init smdk2443_machine_init(void) { s3c_i2c0_set_platdata(NULL); @@ -145,6 +150,6 @@ MACHINE_START(SMDK2443, "SMDK2443") .init_irq = s3c2443_init_irq, .map_io = smdk2443_map_io, .init_machine = smdk2443_machine_init, - .init_time = samsung_timer_init, + .init_time = smdk2443_init_time, .restart = s3c2443_restart, MACHINE_END diff --git a/arch/arm/mach-s3c24xx/mach-tct_hammer.c b/arch/arm/mach-s3c24xx/mach-tct_hammer.c index 4108b2f0cede..c616ca2d409e 100644 --- a/arch/arm/mach-s3c24xx/mach-tct_hammer.c +++ b/arch/arm/mach-s3c24xx/mach-tct_hammer.c @@ -135,11 +135,16 @@ static struct platform_device *tct_hammer_devices[] __initdata = { static void __init tct_hammer_map_io(void) { s3c24xx_init_io(tct_hammer_iodesc, ARRAY_SIZE(tct_hammer_iodesc)); - s3c24xx_init_clocks(0); s3c24xx_init_uarts(tct_hammer_uartcfgs, ARRAY_SIZE(tct_hammer_uartcfgs)); samsung_set_timer_source(SAMSUNG_PWM3, SAMSUNG_PWM4); } +static void __init tct_hammer_init_time(void) +{ + s3c2410_init_clocks(12000000); + samsung_timer_init(); +} + static void __init tct_hammer_init(void) { s3c_i2c0_set_platdata(NULL); @@ -151,6 +156,6 @@ MACHINE_START(TCT_HAMMER, "TCT_HAMMER") .map_io = tct_hammer_map_io, .init_irq = s3c2410_init_irq, .init_machine = tct_hammer_init, - .init_time = samsung_timer_init, + .init_time = tct_hammer_init_time, .restart = s3c2410_restart, MACHINE_END diff --git a/arch/arm/mach-s3c24xx/mach-vr1000.c b/arch/arm/mach-s3c24xx/mach-vr1000.c index 1cc5b1bd51cd..f88c584c3001 100644 --- a/arch/arm/mach-s3c24xx/mach-vr1000.c +++ b/arch/arm/mach-s3c24xx/mach-vr1000.c @@ -43,7 +43,6 @@ #include <mach/regs-gpio.h> #include <mach/gpio-samsung.h> -#include <plat/clock.h> #include <plat/cpu.h> #include <plat/devs.h> #include <plat/samsung-time.h> @@ -286,6 +285,7 @@ static struct i2c_board_info vr1000_i2c_devs[] __initdata = { /* devices for this board */ static struct platform_device *vr1000_devices[] __initdata = { + &s3c2410_device_dclk, &s3c_device_ohci, &s3c_device_lcd, &s3c_device_wdt, @@ -299,14 +299,6 @@ static struct platform_device *vr1000_devices[] __initdata = { &vr1000_led3, }; -static struct clk *vr1000_clocks[] __initdata = { - &s3c24xx_dclk0, - &s3c24xx_dclk1, - &s3c24xx_clkout0, - &s3c24xx_clkout1, - &s3c24xx_uclk, -}; - static void vr1000_power_off(void) { gpio_direction_output(S3C2410_GPB(9), 1); @@ -314,29 +306,19 @@ static void vr1000_power_off(void) static void __init vr1000_map_io(void) { - /* initialise clock sources */ - - s3c24xx_dclk0.parent = &clk_upll; - s3c24xx_dclk0.rate = 12*1000*1000; - - s3c24xx_dclk1.parent = NULL; - s3c24xx_dclk1.rate = 3692307; - - s3c24xx_clkout0.parent = &s3c24xx_dclk0; - s3c24xx_clkout1.parent = &s3c24xx_dclk1; - - s3c24xx_uclk.parent = &s3c24xx_clkout1; - - s3c24xx_register_clocks(vr1000_clocks, ARRAY_SIZE(vr1000_clocks)); - pm_power_off = vr1000_power_off; s3c24xx_init_io(vr1000_iodesc, ARRAY_SIZE(vr1000_iodesc)); - s3c24xx_init_clocks(0); s3c24xx_init_uarts(vr1000_uartcfgs, ARRAY_SIZE(vr1000_uartcfgs)); samsung_set_timer_source(SAMSUNG_PWM3, SAMSUNG_PWM4); } +static void __init vr1000_init_time(void) +{ + s3c2410_init_clocks(12000000); + samsung_timer_init(); +} + static void __init vr1000_init(void) { s3c_i2c0_set_platdata(NULL); @@ -357,6 +339,6 @@ MACHINE_START(VR1000, "Thorcom-VR1000") .map_io = vr1000_map_io, .init_machine = vr1000_init, .init_irq = s3c2410_init_irq, - .init_time = samsung_timer_init, + .init_time = vr1000_init_time, .restart = s3c2410_restart, MACHINE_END diff --git a/arch/arm/mach-s3c24xx/mach-vstms.c b/arch/arm/mach-s3c24xx/mach-vstms.c index 40868c0e0a68..6b706c915387 100644 --- a/arch/arm/mach-s3c24xx/mach-vstms.c +++ b/arch/arm/mach-s3c24xx/mach-vstms.c @@ -142,11 +142,16 @@ static void __init vstms_fixup(struct tag *tags, char **cmdline, static void __init vstms_map_io(void) { s3c24xx_init_io(vstms_iodesc, ARRAY_SIZE(vstms_iodesc)); - s3c24xx_init_clocks(12000000); s3c24xx_init_uarts(vstms_uartcfgs, ARRAY_SIZE(vstms_uartcfgs)); samsung_set_timer_source(SAMSUNG_PWM3, SAMSUNG_PWM4); } +static void __init vstms_init_time(void) +{ + s3c2412_init_clocks(12000000); + samsung_timer_init(); +} + static void __init vstms_init(void) { s3c_i2c0_set_platdata(NULL); @@ -162,6 +167,6 @@ MACHINE_START(VSTMS, "VSTMS") .init_irq = s3c2412_init_irq, .init_machine = vstms_init, .map_io = vstms_map_io, - .init_time = samsung_timer_init, + .init_time = vstms_init_time, .restart = s3c2412_restart, MACHINE_END diff --git a/arch/arm/mach-s3c24xx/pm.c b/arch/arm/mach-s3c24xx/pm.c index 68ea5b7e5dc7..b19256ec8d40 100644 --- a/arch/arm/mach-s3c24xx/pm.c +++ b/arch/arm/mach-s3c24xx/pm.c @@ -51,9 +51,6 @@ #define PFX "s3c24xx-pm: " static struct sleep_save core_save[] = { - SAVE_ITEM(S3C2410_LOCKTIME), - SAVE_ITEM(S3C2410_CLKCON), - /* we restore the timings here, with the proviso that the board * brings the system up in an slower, or equal frequency setting * to the original system. @@ -69,18 +66,6 @@ static struct sleep_save core_save[] = { SAVE_ITEM(S3C2410_BANKCON3), SAVE_ITEM(S3C2410_BANKCON4), SAVE_ITEM(S3C2410_BANKCON5), - -#ifndef CONFIG_CPU_FREQ - SAVE_ITEM(S3C2410_CLKDIVN), - SAVE_ITEM(S3C2410_MPLLCON), - SAVE_ITEM(S3C2410_REFRESH), -#endif - SAVE_ITEM(S3C2410_UPLLCON), - SAVE_ITEM(S3C2410_CLKSLOW), -}; - -static struct sleep_save misc_save[] = { - SAVE_ITEM(S3C2410_DCLKCON), }; /* s3c_pm_check_resume_pin @@ -140,12 +125,10 @@ void s3c_pm_configure_extint(void) void s3c_pm_restore_core(void) { s3c_pm_do_restore_core(core_save, ARRAY_SIZE(core_save)); - s3c_pm_do_restore(misc_save, ARRAY_SIZE(misc_save)); } void s3c_pm_save_core(void) { - s3c_pm_do_save(misc_save, ARRAY_SIZE(misc_save)); s3c_pm_do_save(core_save, ARRAY_SIZE(core_save)); } diff --git a/arch/arm/mach-s3c24xx/s3c2410.c b/arch/arm/mach-s3c24xx/s3c2410.c index 04b58cb49888..7eab88829883 100644 --- a/arch/arm/mach-s3c24xx/s3c2410.c +++ b/arch/arm/mach-s3c24xx/s3c2410.c @@ -85,62 +85,6 @@ void __init s3c2410_map_io(void) void __init_or_cpufreq s3c2410_setup_clocks(void) { - struct clk *xtal_clk; - unsigned long tmp; - unsigned long xtal; - unsigned long fclk; - unsigned long hclk; - unsigned long pclk; - - xtal_clk = clk_get(NULL, "xtal"); - xtal = clk_get_rate(xtal_clk); - clk_put(xtal_clk); - - /* now we've got our machine bits initialised, work out what - * clocks we've got */ - - fclk = s3c24xx_get_pll(__raw_readl(S3C2410_MPLLCON), xtal); - - tmp = __raw_readl(S3C2410_CLKDIVN); - - /* work out clock scalings */ - - hclk = fclk / ((tmp & S3C2410_CLKDIVN_HDIVN) ? 2 : 1); - pclk = hclk / ((tmp & S3C2410_CLKDIVN_PDIVN) ? 2 : 1); - - /* print brieft summary of clocks, etc */ - - printk("S3C2410: core %ld.%03ld MHz, memory %ld.%03ld MHz, peripheral %ld.%03ld MHz\n", - print_mhz(fclk), print_mhz(hclk), print_mhz(pclk)); - - /* initialise the clocks here, to allow other things like the - * console to use them - */ - - s3c24xx_setup_clocks(fclk, hclk, pclk); -} - -/* fake ARMCLK for use with cpufreq, etc. */ - -static struct clk s3c2410_armclk = { - .name = "armclk", - .parent = &clk_f, - .id = -1, -}; - -static struct clk_lookup s3c2410_clk_lookup[] = { - CLKDEV_INIT(NULL, "clk_uart_baud0", &clk_p), - CLKDEV_INIT(NULL, "clk_uart_baud1", &s3c24xx_uclk), -}; - -void __init s3c2410_init_clocks(int xtal) -{ - s3c24xx_register_baseclocks(xtal); - s3c2410_setup_clocks(); - s3c2410_baseclk_add(); - s3c24xx_register_clock(&s3c2410_armclk); - clkdev_add_table(s3c2410_clk_lookup, ARRAY_SIZE(s3c2410_clk_lookup)); - samsung_wdt_reset_init(S3C24XX_VA_WATCHDOG); } struct bus_type s3c2410_subsys = { diff --git a/arch/arm/mach-s3c24xx/s3c2412.c b/arch/arm/mach-s3c24xx/s3c2412.c index 657cbaca80ac..d49f52fbc842 100644 --- a/arch/arm/mach-s3c24xx/s3c2412.c +++ b/arch/arm/mach-s3c24xx/s3c2412.c @@ -173,49 +173,6 @@ void __init s3c2412_map_io(void) void __init_or_cpufreq s3c2412_setup_clocks(void) { - struct clk *xtal_clk; - unsigned long tmp; - unsigned long xtal; - unsigned long fclk; - unsigned long hclk; - unsigned long pclk; - - xtal_clk = clk_get(NULL, "xtal"); - xtal = clk_get_rate(xtal_clk); - clk_put(xtal_clk); - - /* now we've got our machine bits initialised, work out what - * clocks we've got */ - - fclk = s3c24xx_get_pll(__raw_readl(S3C2410_MPLLCON), xtal * 2); - - clk_mpll.rate = fclk; - - tmp = __raw_readl(S3C2410_CLKDIVN); - - /* work out clock scalings */ - - hclk = fclk / ((tmp & S3C2412_CLKDIVN_HDIVN_MASK) + 1); - hclk /= ((tmp & S3C2412_CLKDIVN_ARMDIVN) ? 2 : 1); - pclk = hclk / ((tmp & S3C2412_CLKDIVN_PDIVN) ? 2 : 1); - - /* print brieft summary of clocks, etc */ - - printk("S3C2412: core %ld.%03ld MHz, memory %ld.%03ld MHz, peripheral %ld.%03ld MHz\n", - print_mhz(fclk), print_mhz(hclk), print_mhz(pclk)); - - s3c24xx_setup_clocks(fclk, hclk, pclk); -} - -void __init s3c2412_init_clocks(int xtal) -{ - /* initialise the clocks here, to allow other things like the - * console to use them - */ - - s3c24xx_register_baseclocks(xtal); - s3c2412_setup_clocks(); - s3c2412_baseclk_add(); } /* need to register the subsystem before we actually register the device, and diff --git a/arch/arm/mach-s3c24xx/s3c2442.c b/arch/arm/mach-s3c24xx/s3c2442.c index 2c8adc028538..fb9da2b603a2 100644 --- a/arch/arm/mach-s3c24xx/s3c2442.c +++ b/arch/arm/mach-s3c24xx/s3c2442.c @@ -53,117 +53,6 @@ #include "common.h" -/* S3C2442 extended clock support */ - -static unsigned long s3c2442_camif_upll_round(struct clk *clk, - unsigned long rate) -{ - unsigned long parent_rate = clk_get_rate(clk->parent); - int div; - - if (rate > parent_rate) - return parent_rate; - - div = parent_rate / rate; - - if (div == 3) - return parent_rate / 3; - - /* note, we remove the +/- 1 calculations for the divisor */ - - div /= 2; - - if (div < 1) - div = 1; - else if (div > 16) - div = 16; - - return parent_rate / (div * 2); -} - -static int s3c2442_camif_upll_setrate(struct clk *clk, unsigned long rate) -{ - unsigned long parent_rate = clk_get_rate(clk->parent); - unsigned long camdivn = __raw_readl(S3C2440_CAMDIVN); - - rate = s3c2442_camif_upll_round(clk, rate); - - camdivn &= ~S3C2442_CAMDIVN_CAMCLK_DIV3; - - if (rate == parent_rate) { - camdivn &= ~S3C2440_CAMDIVN_CAMCLK_SEL; - } else if ((parent_rate / rate) == 3) { - camdivn |= S3C2440_CAMDIVN_CAMCLK_SEL; - camdivn |= S3C2442_CAMDIVN_CAMCLK_DIV3; - } else { - camdivn &= ~S3C2440_CAMDIVN_CAMCLK_MASK; - camdivn |= S3C2440_CAMDIVN_CAMCLK_SEL; - camdivn |= (((parent_rate / rate) / 2) - 1); - } - - __raw_writel(camdivn, S3C2440_CAMDIVN); - - return 0; -} - -/* Extra S3C2442 clocks */ - -static struct clk s3c2442_clk_cam = { - .name = "camif", - .id = -1, - .enable = s3c2410_clkcon_enable, - .ctrlbit = S3C2440_CLKCON_CAMERA, -}; - -static struct clk s3c2442_clk_cam_upll = { - .name = "camif-upll", - .id = -1, - .ops = &(struct clk_ops) { - .set_rate = s3c2442_camif_upll_setrate, - .round_rate = s3c2442_camif_upll_round, - }, -}; - -static int s3c2442_clk_add(struct device *dev, struct subsys_interface *sif) -{ - struct clk *clock_upll; - struct clk *clock_h; - struct clk *clock_p; - - clock_p = clk_get(NULL, "pclk"); - clock_h = clk_get(NULL, "hclk"); - clock_upll = clk_get(NULL, "upll"); - - if (IS_ERR(clock_p) || IS_ERR(clock_h) || IS_ERR(clock_upll)) { - printk(KERN_ERR "S3C2442: Failed to get parent clocks\n"); - return -EINVAL; - } - - s3c2442_clk_cam.parent = clock_h; - s3c2442_clk_cam_upll.parent = clock_upll; - - s3c24xx_register_clock(&s3c2442_clk_cam); - s3c24xx_register_clock(&s3c2442_clk_cam_upll); - - clk_disable(&s3c2442_clk_cam); - - return 0; -} - -static struct subsys_interface s3c2442_clk_interface = { - .name = "s3c2442_clk", - .subsys = &s3c2442_subsys, - .add_dev = s3c2442_clk_add, -}; - -static __init int s3c2442_clk_init(void) -{ - return subsys_interface_register(&s3c2442_clk_interface); -} - -arch_initcall(s3c2442_clk_init); - - static struct device s3c2442_dev = { .bus = &s3c2442_subsys, }; diff --git a/arch/arm/mach-s3c24xx/s3c244x.c b/arch/arm/mach-s3c24xx/s3c244x.c index fe30ebb234d2..4a64bcc9eb51 100644 --- a/arch/arm/mach-s3c24xx/s3c244x.c +++ b/arch/arm/mach-s3c24xx/s3c244x.c @@ -46,6 +46,7 @@ #include <plat/nand-core.h> #include <plat/watchdog-reset.h> +#include "common.h" #include "regs-dsc.h" static struct map_desc s3c244x_iodesc[] __initdata = { @@ -74,67 +75,11 @@ void __init s3c244x_map_io(void) s3c_nand_setname("s3c2440-nand"); s3c_device_ts.name = "s3c2440-ts"; s3c_device_usbgadget.name = "s3c2440-usbgadget"; + s3c2410_device_dclk.name = "s3c2440-dclk"; } void __init_or_cpufreq s3c244x_setup_clocks(void) { - struct clk *xtal_clk; - unsigned long clkdiv; - unsigned long camdiv; - unsigned long xtal; - unsigned long hclk, fclk, pclk; - int hdiv = 1; - - xtal_clk = clk_get(NULL, "xtal"); - xtal = clk_get_rate(xtal_clk); - clk_put(xtal_clk); - - fclk = s3c24xx_get_pll(__raw_readl(S3C2410_MPLLCON), xtal) * 2; - - clkdiv = __raw_readl(S3C2410_CLKDIVN); - camdiv = __raw_readl(S3C2440_CAMDIVN); - - /* work out clock scalings */ - - switch (clkdiv & S3C2440_CLKDIVN_HDIVN_MASK) { - case S3C2440_CLKDIVN_HDIVN_1: - hdiv = 1; - break; - - case S3C2440_CLKDIVN_HDIVN_2: - hdiv = 2; - break; - - case S3C2440_CLKDIVN_HDIVN_4_8: - hdiv = (camdiv & S3C2440_CAMDIVN_HCLK4_HALF) ? 8 : 4; - break; - - case S3C2440_CLKDIVN_HDIVN_3_6: - hdiv = (camdiv & S3C2440_CAMDIVN_HCLK3_HALF) ? 6 : 3; - break; - } - - hclk = fclk / hdiv; - pclk = hclk / ((clkdiv & S3C2440_CLKDIVN_PDIVN) ? 2 : 1); - - /* print brief summary of clocks, etc */ - - printk("S3C244X: core %ld.%03ld MHz, memory %ld.%03ld MHz, peripheral %ld.%03ld MHz\n", - print_mhz(fclk), print_mhz(hclk), print_mhz(pclk)); - - s3c24xx_setup_clocks(fclk, hclk, pclk); -} - -void __init s3c244x_init_clocks(int xtal) -{ - /* initialise the clocks here, to allow other things like the - * console to use them, and to add new ones after the initialisation - */ - - s3c24xx_register_baseclocks(xtal); - s3c244x_setup_clocks(); - s3c2410_baseclk_add(); - samsung_wdt_reset_init(S3C24XX_VA_WATCHDOG); } /* Since the S3C2442 and S3C2440 share items, put both subsystems here */ diff --git a/arch/arm/mach-shmobile/Kconfig b/arch/arm/mach-shmobile/Kconfig index 0f92ba8e7884..62eaa42cb13a 100644 --- a/arch/arm/mach-shmobile/Kconfig +++ b/arch/arm/mach-shmobile/Kconfig @@ -8,7 +8,6 @@ config ARCH_SHMOBILE_MULTI select HAVE_ARM_SCU if SMP select HAVE_ARM_TWD if SMP select ARM_GIC - select MIGHT_HAVE_PCI select ARCH_DMA_ADDR_T_64BIT if ARM_LPAE select NO_IOPORT_MAP select PINCTRL @@ -205,8 +204,8 @@ config MACH_ARMADILLO800EVA_REFERENCE select SND_SOC_WM8978 if SND_SIMPLE_CARD select USE_OF ---help--- - Use reference implementation of Aramdillo800 EVA board support - which makes a greater use of device tree at the expense + Use reference implementation of Armadillo800 EVA board support + which makes greater use of device tree at the expense of not supporting a number of devices. This is intended to aid developers diff --git a/arch/arm/mach-shmobile/setup-r8a7740.c b/arch/arm/mach-shmobile/setup-r8a7740.c index 8f3c68101d59..a177a7b3bdbd 100644 --- a/arch/arm/mach-shmobile/setup-r8a7740.c +++ b/arch/arm/mach-shmobile/setup-r8a7740.c @@ -765,7 +765,7 @@ static struct platform_device *r8a7740_late_devices[] __initdata = { * "Media RAM (MERAM)" on r8a7740 documentation */ #define MEBUFCNTR 0xFE950098 -void r8a7740_meram_workaround(void) +void __init r8a7740_meram_workaround(void) { void __iomem *reg; @@ -869,17 +869,6 @@ void __init r8a7740_add_early_devices(void) #ifdef CONFIG_USE_OF -void __init r8a7740_add_early_devices_dt(void) -{ - shmobile_setup_delay(800, 1, 3); /* Cortex-A9 @ 800MHz */ - - early_platform_add_devices(r8a7740_early_devices, - ARRAY_SIZE(r8a7740_early_devices)); - - /* setup early console here as well */ - shmobile_setup_console(); -} - void __init r8a7740_add_standard_devices_dt(void) { platform_add_devices(r8a7740_devices_dt, diff --git a/arch/arm/mach-shmobile/setup-sh7372.c b/arch/arm/mach-shmobile/setup-sh7372.c index 27301278c208..f8176b051be4 100644 --- a/arch/arm/mach-shmobile/setup-sh7372.c +++ b/arch/arm/mach-shmobile/setup-sh7372.c @@ -1037,11 +1037,7 @@ void __init sh7372_add_early_devices_dt(void) { shmobile_setup_delay(800, 1, 3); /* Cortex-A8 @ 800MHz */ - early_platform_add_devices(sh7372_early_devices, - ARRAY_SIZE(sh7372_early_devices)); - - /* setup early console here as well */ - shmobile_setup_console(); + sh7372_add_early_devices(); } void __init sh7372_add_standard_devices_dt(void) diff --git a/arch/arm/mach-tegra/Kconfig b/arch/arm/mach-tegra/Kconfig index 55b305d51669..e16999e5b735 100644 --- a/arch/arm/mach-tegra/Kconfig +++ b/arch/arm/mach-tegra/Kconfig @@ -7,7 +7,6 @@ config ARCH_TEGRA select CLKSRC_MMIO select HAVE_ARM_SCU if SMP select HAVE_ARM_TWD if SMP - select MIGHT_HAVE_PCI select PINCTRL select ARCH_HAS_RESET_CONTROLLER select RESET_CONTROLLER diff --git a/arch/arm/mach-versatile/core.c b/arch/arm/mach-versatile/core.c index f2c89fb8fca9..be83ba25f81b 100644 --- a/arch/arm/mach-versatile/core.c +++ b/arch/arm/mach-versatile/core.c @@ -310,6 +310,21 @@ static struct platform_device char_lcd_device = { .resource = char_lcd_resources, }; +static struct resource leds_resources[] = { + { + .start = VERSATILE_SYS_BASE + VERSATILE_SYS_LED_OFFSET, + .end = VERSATILE_SYS_BASE + VERSATILE_SYS_LED_OFFSET + 4, + .flags = IORESOURCE_MEM, + }, +}; + +static struct platform_device leds_device = { + .name = "versatile-leds", + .id = -1, + .num_resources = ARRAY_SIZE(leds_resources), + .resource = leds_resources, +}; + /* * Clock handling */ @@ -795,6 +810,7 @@ void __init versatile_init(void) platform_device_register(&versatile_i2c_device); platform_device_register(&smc91x_device); platform_device_register(&char_lcd_device); + platform_device_register(&leds_device); for (i = 0; i < ARRAY_SIZE(amba_devs); i++) { struct amba_device *d = amba_devs[i]; diff --git a/arch/arm/mach-vexpress/Kconfig b/arch/arm/mach-vexpress/Kconfig index 657d52d0391f..b8ac752fd24b 100644 --- a/arch/arm/mach-vexpress/Kconfig +++ b/arch/arm/mach-vexpress/Kconfig @@ -18,6 +18,8 @@ config ARCH_VEXPRESS select POWER_SUPPLY select REGULATOR_FIXED_VOLTAGE if REGULATOR select VEXPRESS_CONFIG + select VEXPRESS_SYSCFG + select MFD_VEXPRESS_SYSREG help This option enables support for systems using Cortex processor based ARM core and logic (FPGA) tiles on the Versatile Express motherboard, diff --git a/arch/arm/mach-vexpress/core.h b/arch/arm/mach-vexpress/core.h index bde4374ab6d5..152fad91b3ae 100644 --- a/arch/arm/mach-vexpress/core.h +++ b/arch/arm/mach-vexpress/core.h @@ -4,10 +4,9 @@ /* Tile's peripherals static mappings should start here */ #define V2T_PERIPH 0xf8200000 -void vexpress_dt_smp_map_io(void); - bool vexpress_smp_init_ops(void); extern struct smp_operations vexpress_smp_ops; +extern struct smp_operations vexpress_smp_dt_ops; extern void vexpress_cpu_die(unsigned int cpu); diff --git a/arch/arm/mach-vexpress/ct-ca9x4.c b/arch/arm/mach-vexpress/ct-ca9x4.c index 6f34497a4245..494d70bfddad 100644 --- a/arch/arm/mach-vexpress/ct-ca9x4.c +++ b/arch/arm/mach-vexpress/ct-ca9x4.c @@ -128,6 +128,10 @@ static struct platform_device pmu_device = { .resource = pmu_resources, }; +static struct clk_lookup osc1_lookup = { + .dev_id = "ct:clcd", +}; + static struct platform_device osc1_device = { .name = "vexpress-osc", .id = 1, @@ -135,6 +139,7 @@ static struct platform_device osc1_device = { .resource = (struct resource []) { VEXPRESS_RES_FUNC(0xf, 1), }, + .dev.platform_data = &osc1_lookup, }; static void __init ct_ca9x4_init(void) @@ -155,10 +160,7 @@ static void __init ct_ca9x4_init(void) amba_device_register(ct_ca9x4_amba_devs[i], &iomem_resource); platform_device_register(&pmu_device); - platform_device_register(&osc1_device); - - WARN_ON(clk_register_clkdev(vexpress_osc_setup(&osc1_device.dev), - NULL, "ct:clcd")); + vexpress_syscfg_device_register(&osc1_device); } #ifdef CONFIG_SMP diff --git a/arch/arm/mach-vexpress/platsmp.c b/arch/arm/mach-vexpress/platsmp.c index 993c9ae5dc5e..a1f3804fd5a5 100644 --- a/arch/arm/mach-vexpress/platsmp.c +++ b/arch/arm/mach-vexpress/platsmp.c @@ -12,8 +12,7 @@ #include <linux/errno.h> #include <linux/smp.h> #include <linux/io.h> -#include <linux/of.h> -#include <linux/of_fdt.h> +#include <linux/of_address.h> #include <linux/vexpress.h> #include <asm/mcpm.h> @@ -26,154 +25,13 @@ #include "core.h" -#if defined(CONFIG_OF) - -static enum { - GENERIC_SCU, - CORTEX_A9_SCU, -} vexpress_dt_scu __initdata = GENERIC_SCU; - -static struct map_desc vexpress_dt_cortex_a9_scu_map __initdata = { - .virtual = V2T_PERIPH, - /* .pfn set in vexpress_dt_init_cortex_a9_scu() */ - .length = SZ_128, - .type = MT_DEVICE, -}; - -static void *vexpress_dt_cortex_a9_scu_base __initdata; - -const static char *vexpress_dt_cortex_a9_match[] __initconst = { - "arm,cortex-a5-scu", - "arm,cortex-a9-scu", - NULL -}; - -static int __init vexpress_dt_find_scu(unsigned long node, - const char *uname, int depth, void *data) -{ - if (of_flat_dt_match(node, vexpress_dt_cortex_a9_match)) { - phys_addr_t phys_addr; - __be32 *reg = of_get_flat_dt_prop(node, "reg", NULL); - - if (WARN_ON(!reg)) - return -EINVAL; - - phys_addr = be32_to_cpup(reg); - vexpress_dt_scu = CORTEX_A9_SCU; - - vexpress_dt_cortex_a9_scu_map.pfn = __phys_to_pfn(phys_addr); - iotable_init(&vexpress_dt_cortex_a9_scu_map, 1); - vexpress_dt_cortex_a9_scu_base = ioremap(phys_addr, SZ_256); - if (WARN_ON(!vexpress_dt_cortex_a9_scu_base)) - return -EFAULT; - } - - return 0; -} - -void __init vexpress_dt_smp_map_io(void) -{ - if (initial_boot_params) - WARN_ON(of_scan_flat_dt(vexpress_dt_find_scu, NULL)); -} - -static int __init vexpress_dt_cpus_num(unsigned long node, const char *uname, - int depth, void *data) -{ - static int prev_depth = -1; - static int nr_cpus = -1; - - if (prev_depth > depth && nr_cpus > 0) - return nr_cpus; - - if (nr_cpus < 0 && strcmp(uname, "cpus") == 0) - nr_cpus = 0; - - if (nr_cpus >= 0) { - const char *device_type = of_get_flat_dt_prop(node, - "device_type", NULL); - - if (device_type && strcmp(device_type, "cpu") == 0) - nr_cpus++; - } - - prev_depth = depth; - - return 0; -} - -static void __init vexpress_dt_smp_init_cpus(void) -{ - int ncores = 0, i; - - switch (vexpress_dt_scu) { - case GENERIC_SCU: - ncores = of_scan_flat_dt(vexpress_dt_cpus_num, NULL); - break; - case CORTEX_A9_SCU: - ncores = scu_get_core_count(vexpress_dt_cortex_a9_scu_base); - break; - default: - WARN_ON(1); - break; - } - - if (ncores < 2) - return; - - if (ncores > nr_cpu_ids) { - pr_warn("SMP: %u cores greater than maximum (%u), clipping\n", - ncores, nr_cpu_ids); - ncores = nr_cpu_ids; - } - - for (i = 0; i < ncores; ++i) - set_cpu_possible(i, true); -} - -static void __init vexpress_dt_smp_prepare_cpus(unsigned int max_cpus) -{ - int i; - - switch (vexpress_dt_scu) { - case GENERIC_SCU: - for (i = 0; i < max_cpus; i++) - set_cpu_present(i, true); - break; - case CORTEX_A9_SCU: - scu_enable(vexpress_dt_cortex_a9_scu_base); - break; - default: - WARN_ON(1); - break; - } -} - -#else - -static void __init vexpress_dt_smp_init_cpus(void) -{ - WARN_ON(1); -} - -void __init vexpress_dt_smp_prepare_cpus(unsigned int max_cpus) -{ - WARN_ON(1); -} - -#endif - /* * Initialise the CPU possible map early - this describes the CPUs * which may be present or become present in the system. */ static void __init vexpress_smp_init_cpus(void) { - if (ct_desc) - ct_desc->init_cpu_map(); - else - vexpress_dt_smp_init_cpus(); - + ct_desc->init_cpu_map(); } static void __init vexpress_smp_prepare_cpus(unsigned int max_cpus) @@ -182,10 +40,7 @@ static void __init vexpress_smp_prepare_cpus(unsigned int max_cpus) * Initialise the present map, which describes the set of CPUs * actually populated at the present time. */ - if (ct_desc) - ct_desc->smp_enable(max_cpus); - else - vexpress_dt_smp_prepare_cpus(max_cpus); + ct_desc->smp_enable(max_cpus); /* * Write the address of secondary startup into the @@ -223,3 +78,39 @@ bool __init vexpress_smp_init_ops(void) #endif return false; } + +#if defined(CONFIG_OF) + +static const struct of_device_id vexpress_smp_dt_scu_match[] __initconst = { + { .compatible = "arm,cortex-a5-scu", }, + { .compatible = "arm,cortex-a9-scu", }, + {} +}; + +static void __init vexpress_smp_dt_prepare_cpus(unsigned int max_cpus) +{ + struct device_node *scu = of_find_matching_node(NULL, + vexpress_smp_dt_scu_match); + + if (scu) + scu_enable(of_iomap(scu, 0)); + + /* + * Write the address of secondary startup into the + * system-wide flags register. The boot monitor waits + * until it receives a soft interrupt, and then the + * secondary CPU branches to this address. + */ + vexpress_flags_set(virt_to_phys(versatile_secondary_startup)); +} + +struct smp_operations __initdata vexpress_smp_dt_ops = { + .smp_prepare_cpus = vexpress_smp_dt_prepare_cpus, + .smp_secondary_init = versatile_secondary_init, + .smp_boot_secondary = versatile_boot_secondary, +#ifdef CONFIG_HOTPLUG_CPU + .cpu_die = vexpress_cpu_die, +#endif +}; + +#endif diff --git a/arch/arm/mach-vexpress/v2m.c b/arch/arm/mach-vexpress/v2m.c index 4f8b8cb17ff5..38f4f6f37770 100644 --- a/arch/arm/mach-vexpress/v2m.c +++ b/arch/arm/mach-vexpress/v2m.c @@ -201,8 +201,9 @@ static struct platform_device v2m_cf_device = { static struct mmci_platform_data v2m_mmci_data = { .ocr_mask = MMC_VDD_32_33|MMC_VDD_33_34, - .gpio_wp = VEXPRESS_GPIO_MMC_WPROT, - .gpio_cd = VEXPRESS_GPIO_MMC_CARDIN, + .status = vexpress_get_mci_cardin, + .gpio_cd = -1, + .gpio_wp = -1, }; static struct resource v2m_sysreg_resources[] = { @@ -340,11 +341,6 @@ static void __init v2m_init(void) regulator_register_fixed(0, v2m_eth_supplies, ARRAY_SIZE(v2m_eth_supplies)); - platform_device_register(&v2m_muxfpga_device); - platform_device_register(&v2m_shutdown_device); - platform_device_register(&v2m_reboot_device); - platform_device_register(&v2m_dvimode_device); - platform_device_register(&v2m_sysreg_device); platform_device_register(&v2m_pcie_i2c_device); platform_device_register(&v2m_ddc_i2c_device); @@ -356,6 +352,11 @@ static void __init v2m_init(void) for (i = 0; i < ARRAY_SIZE(v2m_amba_devs); i++) amba_device_register(v2m_amba_devs[i], &iomem_resource); + vexpress_syscfg_device_register(&v2m_muxfpga_device); + vexpress_syscfg_device_register(&v2m_shutdown_device); + vexpress_syscfg_device_register(&v2m_reboot_device); + vexpress_syscfg_device_register(&v2m_dvimode_device); + ct_desc->init_tile(); } @@ -369,71 +370,10 @@ MACHINE_START(VEXPRESS, "ARM-Versatile Express") .init_machine = v2m_init, MACHINE_END -static struct map_desc v2m_rs1_io_desc __initdata = { - .virtual = V2M_PERIPH, - .pfn = __phys_to_pfn(0x1c000000), - .length = SZ_2M, - .type = MT_DEVICE, -}; - -static int __init v2m_dt_scan_memory_map(unsigned long node, const char *uname, - int depth, void *data) -{ - const char **map = data; - - if (strcmp(uname, "motherboard") != 0) - return 0; - - *map = of_get_flat_dt_prop(node, "arm,v2m-memory-map", NULL); - - return 1; -} - -void __init v2m_dt_map_io(void) -{ - const char *map = NULL; - - of_scan_flat_dt(v2m_dt_scan_memory_map, &map); - - if (map && strcmp(map, "rs1") == 0) - iotable_init(&v2m_rs1_io_desc, 1); - else - iotable_init(v2m_io_desc, ARRAY_SIZE(v2m_io_desc)); - -#if defined(CONFIG_SMP) - vexpress_dt_smp_map_io(); -#endif -} - -void __init v2m_dt_init_early(void) -{ - u32 dt_hbi; - - vexpress_sysreg_of_early_init(); - - /* Confirm board type against DT property, if available */ - if (of_property_read_u32(of_allnodes, "arm,hbi", &dt_hbi) == 0) { - u32 hbi = vexpress_get_hbi(VEXPRESS_SITE_MASTER); - - if (WARN_ON(dt_hbi != hbi)) - pr_warning("vexpress: DT HBI (%x) is not matching " - "hardware (%x)!\n", dt_hbi, hbi); - } - - versatile_sched_clock_init(vexpress_get_24mhz_clock_base(), 24000000); -} - -static const struct of_device_id v2m_dt_bus_match[] __initconst = { - { .compatible = "simple-bus", }, - { .compatible = "arm,amba-bus", }, - { .compatible = "arm,vexpress,config-bus", }, - {} -}; - static void __init v2m_dt_init(void) { l2x0_of_init(0x00400000, 0xfe0fffff); - of_platform_populate(NULL, v2m_dt_bus_match, NULL, NULL); + of_platform_populate(NULL, of_default_bus_match_table, NULL, NULL); } static const char * const v2m_dt_match[] __initconst = { @@ -443,9 +383,7 @@ static const char * const v2m_dt_match[] __initconst = { DT_MACHINE_START(VEXPRESS_DT, "ARM-Versatile Express") .dt_compat = v2m_dt_match, - .smp = smp_ops(vexpress_smp_ops), + .smp = smp_ops(vexpress_smp_dt_ops), .smp_init = smp_init_ops(vexpress_smp_init_ops), - .map_io = v2m_dt_map_io, - .init_early = v2m_dt_init_early, .init_machine = v2m_dt_init, MACHINE_END diff --git a/arch/arm/plat-omap/counter_32k.c b/arch/arm/plat-omap/counter_32k.c index 384a776d8eb2..61b4d705c267 100644 --- a/arch/arm/plat-omap/counter_32k.c +++ b/arch/arm/plat-omap/counter_32k.c @@ -40,7 +40,7 @@ static void __iomem *sync32k_cnt_reg; static u64 notrace omap_32k_read_sched_clock(void) { - return sync32k_cnt_reg ? __raw_readl(sync32k_cnt_reg) : 0; + return sync32k_cnt_reg ? readl_relaxed(sync32k_cnt_reg) : 0; } /** @@ -64,7 +64,7 @@ static void omap_read_persistent_clock(struct timespec *ts) spin_lock_irqsave(&read_persistent_clock_lock, flags); last_cycles = cycles; - cycles = sync32k_cnt_reg ? __raw_readl(sync32k_cnt_reg) : 0; + cycles = sync32k_cnt_reg ? readl_relaxed(sync32k_cnt_reg) : 0; nsecs = clocksource_cyc2ns(cycles - last_cycles, persistent_mult, persistent_shift); @@ -95,7 +95,7 @@ int __init omap_init_clocksource_32k(void __iomem *vbase) * The 'SCHEME' bits(30-31) of the revision register is used * to identify the version. */ - if (__raw_readl(vbase + OMAP2_32KSYNCNT_REV_OFF) & + if (readl_relaxed(vbase + OMAP2_32KSYNCNT_REV_OFF) & OMAP2_32KSYNCNT_REV_SCHEME) sync32k_cnt_reg = vbase + OMAP2_32KSYNCNT_CR_OFF_HIGH; else diff --git a/arch/arm/plat-omap/debug-leds.c b/arch/arm/plat-omap/debug-leds.c index aa7ebc6bcd65..48b69de89a5d 100644 --- a/arch/arm/plat-omap/debug-leds.c +++ b/arch/arm/plat-omap/debug-leds.c @@ -85,12 +85,12 @@ static void dbg_led_set(struct led_classdev *cdev, struct dbg_led *led = container_of(cdev, struct dbg_led, cdev); u16 reg; - reg = __raw_readw(&fpga->leds); + reg = readw_relaxed(&fpga->leds); if (b != LED_OFF) reg |= led->mask; else reg &= ~led->mask; - __raw_writew(reg, &fpga->leds); + writew_relaxed(reg, &fpga->leds); } static enum led_brightness dbg_led_get(struct led_classdev *cdev) @@ -98,7 +98,7 @@ static enum led_brightness dbg_led_get(struct led_classdev *cdev) struct dbg_led *led = container_of(cdev, struct dbg_led, cdev); u16 reg; - reg = __raw_readw(&fpga->leds); + reg = readw_relaxed(&fpga->leds); return (reg & led->mask) ? LED_FULL : LED_OFF; } @@ -112,7 +112,7 @@ static int fpga_probe(struct platform_device *pdev) return -ENODEV; fpga = ioremap(iomem->start, resource_size(iomem)); - __raw_writew(0xff, &fpga->leds); + writew_relaxed(0xff, &fpga->leds); for (i = 0; i < ARRAY_SIZE(dbg_leds); i++) { struct dbg_led *led; @@ -138,15 +138,15 @@ static int fpga_probe(struct platform_device *pdev) static int fpga_suspend_noirq(struct device *dev) { - fpga_led_state = __raw_readw(&fpga->leds); - __raw_writew(0xff, &fpga->leds); + fpga_led_state = readw_relaxed(&fpga->leds); + writew_relaxed(0xff, &fpga->leds); return 0; } static int fpga_resume_noirq(struct device *dev) { - __raw_writew(~fpga_led_state, &fpga->leds); + writew_relaxed(~fpga_led_state, &fpga->leds); return 0; } diff --git a/arch/arm/plat-omap/dmtimer.c b/arch/arm/plat-omap/dmtimer.c index 869254cebf84..db10169a08de 100644 --- a/arch/arm/plat-omap/dmtimer.c +++ b/arch/arm/plat-omap/dmtimer.c @@ -103,7 +103,7 @@ static void omap_timer_restore_context(struct omap_dm_timer *timer) timer->context.tmar); omap_dm_timer_write_reg(timer, OMAP_TIMER_IF_CTRL_REG, timer->context.tsicr); - __raw_writel(timer->context.tier, timer->irq_ena); + writel_relaxed(timer->context.tier, timer->irq_ena); omap_dm_timer_write_reg(timer, OMAP_TIMER_CTRL_REG, timer->context.tclr); } @@ -699,9 +699,9 @@ int omap_dm_timer_set_int_disable(struct omap_dm_timer *timer, u32 mask) omap_dm_timer_enable(timer); if (timer->revision == 1) - l = __raw_readl(timer->irq_ena) & ~mask; + l = readl_relaxed(timer->irq_ena) & ~mask; - __raw_writel(l, timer->irq_dis); + writel_relaxed(l, timer->irq_dis); l = omap_dm_timer_read_reg(timer, OMAP_TIMER_WAKEUP_EN_REG) & ~mask; omap_dm_timer_write_reg(timer, OMAP_TIMER_WAKEUP_EN_REG, l); @@ -722,7 +722,7 @@ unsigned int omap_dm_timer_read_status(struct omap_dm_timer *timer) return 0; } - l = __raw_readl(timer->irq_stat); + l = readl_relaxed(timer->irq_stat); return l; } diff --git a/arch/arm/plat-omap/include/plat/dmtimer.h b/arch/arm/plat-omap/include/plat/dmtimer.h index 2861b155485a..dd79f3005cdf 100644 --- a/arch/arm/plat-omap/include/plat/dmtimer.h +++ b/arch/arm/plat-omap/include/plat/dmtimer.h @@ -280,20 +280,20 @@ static inline u32 __omap_dm_timer_read(struct omap_dm_timer *timer, u32 reg, int posted) { if (posted) - while (__raw_readl(timer->pend) & (reg >> WPSHIFT)) + while (readl_relaxed(timer->pend) & (reg >> WPSHIFT)) cpu_relax(); - return __raw_readl(timer->func_base + (reg & 0xff)); + return readl_relaxed(timer->func_base + (reg & 0xff)); } static inline void __omap_dm_timer_write(struct omap_dm_timer *timer, u32 reg, u32 val, int posted) { if (posted) - while (__raw_readl(timer->pend) & (reg >> WPSHIFT)) + while (readl_relaxed(timer->pend) & (reg >> WPSHIFT)) cpu_relax(); - __raw_writel(val, timer->func_base + (reg & 0xff)); + writel_relaxed(val, timer->func_base + (reg & 0xff)); } static inline void __omap_dm_timer_init_regs(struct omap_dm_timer *timer) @@ -301,7 +301,7 @@ static inline void __omap_dm_timer_init_regs(struct omap_dm_timer *timer) u32 tidr; /* Assume v1 ip if bits [31:16] are zero */ - tidr = __raw_readl(timer->io_base); + tidr = readl_relaxed(timer->io_base); if (!(tidr >> 16)) { timer->revision = 1; timer->irq_stat = timer->io_base + OMAP_TIMER_V1_STAT_OFFSET; @@ -385,7 +385,7 @@ static inline void __omap_dm_timer_stop(struct omap_dm_timer *timer, } /* Ack possibly pending interrupt */ - __raw_writel(OMAP_TIMER_INT_OVERFLOW, timer->irq_stat); + writel_relaxed(OMAP_TIMER_INT_OVERFLOW, timer->irq_stat); } static inline void __omap_dm_timer_load_start(struct omap_dm_timer *timer, @@ -399,7 +399,7 @@ static inline void __omap_dm_timer_load_start(struct omap_dm_timer *timer, static inline void __omap_dm_timer_int_enable(struct omap_dm_timer *timer, unsigned int value) { - __raw_writel(value, timer->irq_ena); + writel_relaxed(value, timer->irq_ena); __omap_dm_timer_write(timer, OMAP_TIMER_WAKEUP_EN_REG, value, 0); } @@ -412,7 +412,7 @@ __omap_dm_timer_read_counter(struct omap_dm_timer *timer, int posted) static inline void __omap_dm_timer_write_status(struct omap_dm_timer *timer, unsigned int value) { - __raw_writel(value, timer->irq_stat); + writel_relaxed(value, timer->irq_stat); } #endif /* __ASM_ARCH_DMTIMER_H */ diff --git a/arch/arm/plat-samsung/include/plat/cpu-freq-core.h b/arch/arm/plat-samsung/include/plat/cpu-freq-core.h index 7231c8e4975e..72d4178ad23b 100644 --- a/arch/arm/plat-samsung/include/plat/cpu-freq-core.h +++ b/arch/arm/plat-samsung/include/plat/cpu-freq-core.h @@ -119,6 +119,7 @@ struct s3c_plltab { struct s3c_cpufreq_config { struct s3c_freq freq; struct s3c_freq max; + struct clk *mpll; struct cpufreq_frequency_table pll; struct s3c_clkdivs divs; struct s3c_cpufreq_info *info; /* for core, not drivers */ diff --git a/arch/arm/plat-samsung/include/plat/cpu.h b/arch/arm/plat-samsung/include/plat/cpu.h index 5992b8dd9b89..5a237db9f9eb 100644 --- a/arch/arm/plat-samsung/include/plat/cpu.h +++ b/arch/arm/plat-samsung/include/plat/cpu.h @@ -43,16 +43,6 @@ extern unsigned long samsung_cpu_id; #define S5PV210_CPU_ID 0x43110000 #define S5PV210_CPU_MASK 0xFFFFF000 -#define EXYNOS4210_CPU_ID 0x43210000 -#define EXYNOS4212_CPU_ID 0x43220000 -#define EXYNOS4412_CPU_ID 0xE4412200 -#define EXYNOS4_CPU_MASK 0xFFFE0000 - -#define EXYNOS5250_SOC_ID 0x43520000 -#define EXYNOS5420_SOC_ID 0xE5420000 -#define EXYNOS5440_SOC_ID 0xE5440000 -#define EXYNOS5_SOC_MASK 0xFFFFF000 - #define IS_SAMSUNG_CPU(name, id, mask) \ static inline int is_samsung_##name(void) \ { \ @@ -68,12 +58,6 @@ IS_SAMSUNG_CPU(s5p6440, S5P6440_CPU_ID, S5P64XX_CPU_MASK) IS_SAMSUNG_CPU(s5p6450, S5P6450_CPU_ID, S5P64XX_CPU_MASK) IS_SAMSUNG_CPU(s5pc100, S5PC100_CPU_ID, S5PC100_CPU_MASK) IS_SAMSUNG_CPU(s5pv210, S5PV210_CPU_ID, S5PV210_CPU_MASK) -IS_SAMSUNG_CPU(exynos4210, EXYNOS4210_CPU_ID, EXYNOS4_CPU_MASK) -IS_SAMSUNG_CPU(exynos4212, EXYNOS4212_CPU_ID, EXYNOS4_CPU_MASK) -IS_SAMSUNG_CPU(exynos4412, EXYNOS4412_CPU_ID, EXYNOS4_CPU_MASK) -IS_SAMSUNG_CPU(exynos5250, EXYNOS5250_SOC_ID, EXYNOS5_SOC_MASK) -IS_SAMSUNG_CPU(exynos5420, EXYNOS5420_SOC_ID, EXYNOS5_SOC_MASK) -IS_SAMSUNG_CPU(exynos5440, EXYNOS5440_SOC_ID, EXYNOS5_SOC_MASK) #if defined(CONFIG_CPU_S3C2410) || defined(CONFIG_CPU_S3C2412) || \ defined(CONFIG_CPU_S3C2416) || defined(CONFIG_CPU_S3C2440) || \ @@ -126,50 +110,6 @@ IS_SAMSUNG_CPU(exynos5440, EXYNOS5440_SOC_ID, EXYNOS5_SOC_MASK) # define soc_is_s5pv210() 0 #endif -#if defined(CONFIG_CPU_EXYNOS4210) -# define soc_is_exynos4210() is_samsung_exynos4210() -#else -# define soc_is_exynos4210() 0 -#endif - -#if defined(CONFIG_SOC_EXYNOS4212) -# define soc_is_exynos4212() is_samsung_exynos4212() -#else -# define soc_is_exynos4212() 0 -#endif - -#if defined(CONFIG_SOC_EXYNOS4412) -# define soc_is_exynos4412() is_samsung_exynos4412() -#else -# define soc_is_exynos4412() 0 -#endif - -#define EXYNOS4210_REV_0 (0x0) -#define EXYNOS4210_REV_1_0 (0x10) -#define EXYNOS4210_REV_1_1 (0x11) - -#if defined(CONFIG_SOC_EXYNOS5250) -# define soc_is_exynos5250() is_samsung_exynos5250() -#else -# define soc_is_exynos5250() 0 -#endif - -#if defined(CONFIG_SOC_EXYNOS5420) -# define soc_is_exynos5420() is_samsung_exynos5420() -#else -# define soc_is_exynos5420() 0 -#endif - -#if defined(CONFIG_SOC_EXYNOS5440) -# define soc_is_exynos5440() is_samsung_exynos5440() -#else -# define soc_is_exynos5440() 0 -#endif - -#define soc_is_exynos4() (soc_is_exynos4210() || soc_is_exynos4212() || \ - soc_is_exynos4412()) -#define soc_is_exynos5() (soc_is_exynos5250() || soc_is_exynos5420()) - #define IODESC_ENT(x) { (unsigned long)S3C24XX_VA_##x, __phys_to_pfn(S3C24XX_PA_##x), S3C24XX_SZ_##x, MT_DEVICE } #ifndef KHZ @@ -239,7 +179,6 @@ extern struct bus_type s3c2443_subsys; extern struct bus_type s3c6410_subsys; extern struct bus_type s5p64x0_subsys; extern struct bus_type s5pv210_subsys; -extern struct bus_type exynos_subsys; extern void (*s5pc1xx_idle)(void); diff --git a/arch/arm/plat-versatile/Kconfig b/arch/arm/plat-versatile/Kconfig index 2c4332b9f948..fce41e93b6a4 100644 --- a/arch/arm/plat-versatile/Kconfig +++ b/arch/arm/plat-versatile/Kconfig @@ -6,12 +6,6 @@ config PLAT_VERSATILE_CLOCK config PLAT_VERSATILE_CLCD bool -config PLAT_VERSATILE_LEDS - def_bool y if NEW_LEDS - depends on ARCH_REALVIEW || ARCH_VERSATILE - select LEDS_CLASS - select LEDS_TRIGGERS - config PLAT_VERSATILE_SCHED_CLOCK def_bool y diff --git a/arch/arm/plat-versatile/Makefile b/arch/arm/plat-versatile/Makefile index f88d448b629c..2e0c472958ae 100644 --- a/arch/arm/plat-versatile/Makefile +++ b/arch/arm/plat-versatile/Makefile @@ -2,6 +2,5 @@ ccflags-$(CONFIG_ARCH_MULTIPLATFORM) := -I$(srctree)/$(src)/include obj-$(CONFIG_PLAT_VERSATILE_CLOCK) += clock.o obj-$(CONFIG_PLAT_VERSATILE_CLCD) += clcd.o -obj-$(CONFIG_PLAT_VERSATILE_LEDS) += leds.o obj-$(CONFIG_PLAT_VERSATILE_SCHED_CLOCK) += sched-clock.o obj-$(CONFIG_SMP) += headsmp.o platsmp.o diff --git a/arch/arm/plat-versatile/leds.c b/arch/arm/plat-versatile/leds.c deleted file mode 100644 index d2490d00b46c..000000000000 --- a/arch/arm/plat-versatile/leds.c +++ /dev/null @@ -1,103 +0,0 @@ -/* - * Driver for the 8 user LEDs found on the RealViews and Versatiles - * Based on DaVinci's DM365 board code - * - * License terms: GNU General Public License (GPL) version 2 - * Author: Linus Walleij <triad@df.lth.se> - */ -#include <linux/kernel.h> -#include <linux/init.h> -#include <linux/io.h> -#include <linux/slab.h> -#include <linux/leds.h> - -#include <mach/hardware.h> -#include <mach/platform.h> - -#ifdef VERSATILE_SYS_BASE -#define LEDREG (__io_address(VERSATILE_SYS_BASE) + VERSATILE_SYS_LED_OFFSET) -#endif - -#ifdef REALVIEW_SYS_BASE -#define LEDREG (__io_address(REALVIEW_SYS_BASE) + REALVIEW_SYS_LED_OFFSET) -#endif - -struct versatile_led { - struct led_classdev cdev; - u8 mask; -}; - -/* - * The triggers lines up below will only be used if the - * LED triggers are compiled in. - */ -static const struct { - const char *name; - const char *trigger; -} versatile_leds[] = { - { "versatile:0", "heartbeat", }, - { "versatile:1", "mmc0", }, - { "versatile:2", "cpu0" }, - { "versatile:3", "cpu1" }, - { "versatile:4", "cpu2" }, - { "versatile:5", "cpu3" }, - { "versatile:6", }, - { "versatile:7", }, -}; - -static void versatile_led_set(struct led_classdev *cdev, - enum led_brightness b) -{ - struct versatile_led *led = container_of(cdev, - struct versatile_led, cdev); - u32 reg = readl(LEDREG); - - if (b != LED_OFF) - reg |= led->mask; - else - reg &= ~led->mask; - writel(reg, LEDREG); -} - -static enum led_brightness versatile_led_get(struct led_classdev *cdev) -{ - struct versatile_led *led = container_of(cdev, - struct versatile_led, cdev); - u32 reg = readl(LEDREG); - - return (reg & led->mask) ? LED_FULL : LED_OFF; -} - -static int __init versatile_leds_init(void) -{ - int i; - - /* All ON */ - writel(0xff, LEDREG); - for (i = 0; i < ARRAY_SIZE(versatile_leds); i++) { - struct versatile_led *led; - - led = kzalloc(sizeof(*led), GFP_KERNEL); - if (!led) - break; - - led->cdev.name = versatile_leds[i].name; - led->cdev.brightness_set = versatile_led_set; - led->cdev.brightness_get = versatile_led_get; - led->cdev.default_trigger = versatile_leds[i].trigger; - led->mask = BIT(i); - - if (led_classdev_register(NULL, &led->cdev) < 0) { - kfree(led); - break; - } - } - - return 0; -} - -/* - * Since we may have triggers on any subsystem, defer registration - * until after subsystem_init. - */ -fs_initcall(versatile_leds_init); diff --git a/arch/arm64/boot/dts/rtsm_ve-motherboard.dtsi b/arch/arm64/boot/dts/rtsm_ve-motherboard.dtsi index 2f2ecd217363..ac2cb2418025 100644 --- a/arch/arm64/boot/dts/rtsm_ve-motherboard.dtsi +++ b/arch/arm64/boot/dts/rtsm_ve-motherboard.dtsi @@ -200,7 +200,7 @@ }; mcc { - compatible = "arm,vexpress,config-bus", "simple-bus"; + compatible = "arm,vexpress,config-bus"; arm,vexpress,config-bridge = <&v2m_sysreg>; v2m_oscclk1: osc@1 { |