diff options
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/arm/Kconfig | 1 | ||||
| -rw-r--r-- | arch/arm/boot/dts/integrator.dtsi | 5 | ||||
| -rw-r--r-- | arch/arm/boot/dts/integratorap.dts | 5 | ||||
| -rw-r--r-- | arch/arm/boot/dts/integratorcp.dts | 4 | ||||
| -rw-r--r-- | arch/arm/configs/integrator_defconfig | 25 | ||||
| -rw-r--r-- | arch/arm/mach-integrator/cm.h (renamed from arch/arm/mach-integrator/include/mach/cm.h) | 7 | ||||
| -rw-r--r-- | arch/arm/mach-integrator/core.c | 182 | ||||
| -rw-r--r-- | arch/arm/mach-integrator/include/mach/irqs.h | 81 | ||||
| -rw-r--r-- | arch/arm/mach-integrator/integrator_ap.c | 152 | ||||
| -rw-r--r-- | arch/arm/mach-integrator/integrator_cp.c | 185 | ||||
| -rw-r--r-- | arch/arm/mach-integrator/leds.c | 5 | ||||
| -rw-r--r-- | arch/arm/mach-integrator/pci_v3.c | 127 |
12 files changed, 161 insertions, 618 deletions
diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig index 5ef81367a8e8..bca9f94d2724 100644 --- a/arch/arm/Kconfig +++ b/arch/arm/Kconfig @@ -317,6 +317,7 @@ config ARCH_INTEGRATOR select NEED_MACH_MEMORY_H select PLAT_VERSATILE select SPARSE_IRQ + select USE_OF select VERSATILE_FPGA_IRQ help Support for ARM's Integrator platform. diff --git a/arch/arm/boot/dts/integrator.dtsi b/arch/arm/boot/dts/integrator.dtsi index 813b91d7bea2..0f06f8687b0b 100644 --- a/arch/arm/boot/dts/integrator.dtsi +++ b/arch/arm/boot/dts/integrator.dtsi @@ -5,6 +5,11 @@ /include/ "skeleton.dtsi" / { + core-module@10000000 { + compatible = "arm,core-module-integrator"; + reg = <0x10000000 0x200>; + }; + timer@13000000 { reg = <0x13000000 0x100>; interrupt-parent = <&pic>; diff --git a/arch/arm/boot/dts/integratorap.dts b/arch/arm/boot/dts/integratorap.dts index b6b82eca8d1e..e6be9315ff0a 100644 --- a/arch/arm/boot/dts/integratorap.dts +++ b/arch/arm/boot/dts/integratorap.dts @@ -19,8 +19,11 @@ }; syscon { - /* AP system controller registers */ + compatible = "arm,integrator-ap-syscon"; reg = <0x11000000 0x100>; + interrupt-parent = <&pic>; + /* These are the logical module IRQs */ + interrupts = <9>, <10>, <11>, <12>; }; timer0: timer@13000000 { diff --git a/arch/arm/boot/dts/integratorcp.dts b/arch/arm/boot/dts/integratorcp.dts index ff1aea0ee043..a3a06b893237 100644 --- a/arch/arm/boot/dts/integratorcp.dts +++ b/arch/arm/boot/dts/integratorcp.dts @@ -18,8 +18,8 @@ bootargs = "root=/dev/ram0 console=ttyAMA0,38400n8 earlyprintk"; }; - cpcon { - /* CP controller registers */ + syscon { + compatible = "arm,integrator-cp-syscon"; reg = <0xcb000000 0x100>; }; diff --git a/arch/arm/configs/integrator_defconfig b/arch/arm/configs/integrator_defconfig index a8314c3ee84d..5bae19557591 100644 --- a/arch/arm/configs/integrator_defconfig +++ b/arch/arm/configs/integrator_defconfig @@ -1,15 +1,17 @@ -CONFIG_EXPERIMENTAL=y CONFIG_SYSVIPC=y -CONFIG_TINY_RCU=y +CONFIG_NO_HZ=y +CONFIG_HIGH_RES_TIMERS=y CONFIG_IKCONFIG=y CONFIG_IKCONFIG_PROC=y CONFIG_LOG_BUF_SHIFT=14 CONFIG_BLK_DEV_INITRD=y CONFIG_MODULES=y CONFIG_MODULE_UNLOAD=y +CONFIG_PARTITION_ADVANCED=y CONFIG_ARCH_INTEGRATOR=y CONFIG_ARCH_INTEGRATOR_AP=y CONFIG_ARCH_INTEGRATOR_CP=y +CONFIG_INTEGRATOR_IMPD1=y CONFIG_CPU_ARM720T=y CONFIG_CPU_ARM920T=y CONFIG_CPU_ARM922T=y @@ -18,12 +20,9 @@ CONFIG_CPU_ARM1020=y CONFIG_CPU_ARM1022=y CONFIG_CPU_ARM1026=y CONFIG_PCI=y -CONFIG_NO_HZ=y -CONFIG_HIGH_RES_TIMERS=y CONFIG_PREEMPT=y CONFIG_AEABI=y -CONFIG_LEDS=y -CONFIG_LEDS_CPU=y +# CONFIG_ATAGS is not set CONFIG_ZBOOT_ROM_TEXT=0x0 CONFIG_ZBOOT_ROM_BSS=0x0 CONFIG_CMDLINE="console=ttyAM0,38400n8 root=/dev/nfs ip=bootp" @@ -44,24 +43,20 @@ CONFIG_IP_PNP_BOOTP=y CONFIG_MTD=y CONFIG_MTD_CMDLINE_PARTS=y CONFIG_MTD_AFS_PARTS=y -CONFIG_MTD_CHAR=y CONFIG_MTD_BLOCK=y CONFIG_MTD_CFI=y CONFIG_MTD_CFI_ADV_OPTIONS=y CONFIG_MTD_CFI_INTELEXT=y CONFIG_MTD_PHYSMAP=y +CONFIG_PROC_DEVICETREE=y CONFIG_BLK_DEV_LOOP=y CONFIG_BLK_DEV_RAM=y CONFIG_BLK_DEV_RAM_SIZE=8192 CONFIG_NETDEVICES=y -CONFIG_NET_ETHERNET=y -CONFIG_NET_PCI=y CONFIG_E100=y CONFIG_SMC91X=y # CONFIG_KEYBOARD_ATKBD is not set # CONFIG_SERIO_SERPORT is not set -CONFIG_SERIAL_AMBA_PL010=y -CONFIG_SERIAL_AMBA_PL010_CONSOLE=y CONFIG_FB=y CONFIG_FB_MODE_HELPERS=y CONFIG_FB_ARMCLCD=y @@ -71,19 +66,23 @@ CONFIG_FB_MATROX_MYSTIQUE=y # CONFIG_VGA_CONSOLE is not set CONFIG_MMC=y CONFIG_MMC_ARMMMCI=y +CONFIG_NEW_LEDS=y +CONFIG_LEDS_CLASS=y +CONFIG_LEDS_TRIGGERS=y +CONFIG_LEDS_TRIGGER_HEARTBEAT=y +CONFIG_LEDS_TRIGGER_CPU=y CONFIG_RTC_CLASS=y CONFIG_RTC_DRV_PL030=y +CONFIG_COMMON_CLK_DEBUG=y CONFIG_EXT2_FS=y CONFIG_VFAT_FS=y CONFIG_TMPFS=y CONFIG_JFFS2_FS=y CONFIG_CRAMFS=y CONFIG_NFS_FS=y -CONFIG_NFS_V3=y CONFIG_ROOT_NFS=y CONFIG_NFSD=y CONFIG_NFSD_V3=y -CONFIG_PARTITION_ADVANCED=y CONFIG_NLS_CODEPAGE_437=y CONFIG_NLS_ISO8859_1=y CONFIG_MAGIC_SYSRQ=y diff --git a/arch/arm/mach-integrator/include/mach/cm.h b/arch/arm/mach-integrator/cm.h index 202e6a57f100..4ecff7bff482 100644 --- a/arch/arm/mach-integrator/include/mach/cm.h +++ b/arch/arm/mach-integrator/cm.h @@ -1,9 +1,12 @@ /* - * update the core module control register. + * access the core module control register. */ +u32 cm_get(void); void cm_control(u32, u32); -#define CM_CTRL __io_address(INTEGRATOR_HDR_CTRL) +struct device_node; +void cm_init(void); +void cm_clear_irqs(void); #define CM_CTRL_LED (1 << 0) #define CM_CTRL_nMBDET (1 << 1) diff --git a/arch/arm/mach-integrator/core.c b/arch/arm/mach-integrator/core.c index 4cdfd7365925..00ddf20ed91b 100644 --- a/arch/arm/mach-integrator/core.c +++ b/arch/arm/mach-integrator/core.c @@ -22,77 +22,30 @@ #include <linux/amba/serial.h> #include <linux/io.h> #include <linux/stat.h> +#include <linux/of.h> +#include <linux/of_address.h> #include <mach/hardware.h> #include <mach/platform.h> -#include <mach/cm.h> -#include <mach/irqs.h> #include <asm/mach-types.h> #include <asm/mach/time.h> #include <asm/pgtable.h> +#include "cm.h" #include "common.h" -#ifdef CONFIG_ATAGS - -#define INTEGRATOR_RTC_IRQ { IRQ_RTCINT } -#define INTEGRATOR_UART0_IRQ { IRQ_UARTINT0 } -#define INTEGRATOR_UART1_IRQ { IRQ_UARTINT1 } -#define KMI0_IRQ { IRQ_KMIINT0 } -#define KMI1_IRQ { IRQ_KMIINT1 } - -static AMBA_APB_DEVICE(rtc, "rtc", 0, - INTEGRATOR_RTC_BASE, INTEGRATOR_RTC_IRQ, NULL); - -static AMBA_APB_DEVICE(uart0, "uart0", 0, - INTEGRATOR_UART0_BASE, INTEGRATOR_UART0_IRQ, NULL); - -static AMBA_APB_DEVICE(uart1, "uart1", 0, - INTEGRATOR_UART1_BASE, INTEGRATOR_UART1_IRQ, NULL); - -static AMBA_APB_DEVICE(kmi0, "kmi0", 0, KMI0_BASE, KMI0_IRQ, NULL); -static AMBA_APB_DEVICE(kmi1, "kmi1", 0, KMI1_BASE, KMI1_IRQ, NULL); - -static struct amba_device *amba_devs[] __initdata = { - &rtc_device, - &uart0_device, - &uart1_device, - &kmi0_device, - &kmi1_device, -}; +static DEFINE_RAW_SPINLOCK(cm_lock); +static void __iomem *cm_base; -int __init integrator_init(bool is_cp) +/** + * cm_get - get the value from the CM_CTRL register + */ +u32 cm_get(void) { - int i; - - /* - * The Integrator/AP lacks necessary AMBA PrimeCell IDs, so we need to - * hard-code them. The Integator/CP and forward have proper cell IDs. - * Else we leave them undefined to the bus driver can autoprobe them. - */ - if (!is_cp && IS_ENABLED(CONFIG_ARCH_INTEGRATOR_AP)) { - rtc_device.periphid = 0x00041030; - uart0_device.periphid = 0x00041010; - uart1_device.periphid = 0x00041010; - kmi0_device.periphid = 0x00041050; - kmi1_device.periphid = 0x00041050; - uart0_device.dev.platform_data = &ap_uart_data; - uart1_device.dev.platform_data = &ap_uart_data; - } - - for (i = 0; i < ARRAY_SIZE(amba_devs); i++) { - struct amba_device *d = amba_devs[i]; - amba_device_register(d, &iomem_resource); - } - - return 0; + return readl(cm_base + INTEGRATOR_HDR_CTRL_OFFSET); } -#endif - -static DEFINE_RAW_SPINLOCK(cm_lock); - /** * cm_control - update the CM_CTRL register. * @mask: bits to change @@ -104,12 +57,80 @@ void cm_control(u32 mask, u32 set) u32 val; raw_spin_lock_irqsave(&cm_lock, flags); - val = readl(CM_CTRL) & ~mask; - writel(val | set, CM_CTRL); + val = readl(cm_base + INTEGRATOR_HDR_CTRL_OFFSET) & ~mask; + writel(val | set, cm_base + INTEGRATOR_HDR_CTRL_OFFSET); raw_spin_unlock_irqrestore(&cm_lock, flags); } -EXPORT_SYMBOL(cm_control); +static const char *integrator_arch_str(u32 id) +{ + switch ((id >> 16) & 0xff) { + case 0x00: + return "ASB little-endian"; + case 0x01: + return "AHB little-endian"; + case 0x03: + return "AHB-Lite system bus, bi-endian"; + case 0x04: + return "AHB"; + case 0x08: + return "AHB system bus, ASB processor bus"; + default: + return "Unknown"; + } +} + +static const char *integrator_fpga_str(u32 id) +{ + switch ((id >> 12) & 0xf) { + case 0x01: + return "XC4062"; + case 0x02: + return "XC4085"; + case 0x03: + return "XVC600"; + case 0x04: + return "EPM7256AE (Altera PLD)"; + default: + return "Unknown"; + } +} + +void cm_clear_irqs(void) +{ + /* disable core module IRQs */ + writel(0xffffffffU, cm_base + INTEGRATOR_HDR_IC_OFFSET + + IRQ_ENABLE_CLEAR); +} + +static const struct of_device_id cm_match[] = { + { .compatible = "arm,core-module-integrator"}, + { }, +}; + +void cm_init(void) +{ + struct device_node *cm = of_find_matching_node(NULL, cm_match); + u32 val; + + if (!cm) { + pr_crit("no core module node found in device tree\n"); + return; + } + cm_base = of_iomap(cm, 0); + if (!cm_base) { + pr_crit("could not remap core module\n"); + return; + } + cm_clear_irqs(); + val = readl(cm_base + INTEGRATOR_HDR_ID_OFFSET); + pr_info("Detected ARM core module:\n"); + pr_info(" Manufacturer: %02x\n", (val >> 24)); + pr_info(" Architecture: %s\n", integrator_arch_str(val)); + pr_info(" FPGA: %s\n", integrator_fpga_str(val)); + pr_info(" Build: %02x\n", (val >> 4) & 0xFF); + pr_info(" Rev: %c\n", ('A' + (val & 0x03))); +} /* * We need to stop things allocating the low memory; ideally we need a @@ -145,27 +166,7 @@ static ssize_t intcp_get_arch(struct device *dev, struct device_attribute *attr, char *buf) { - const char *arch; - - switch ((integrator_id >> 16) & 0xff) { - case 0x00: - arch = "ASB little-endian"; - break; - case 0x01: - arch = "AHB little-endian"; - break; - case 0x03: - arch = "AHB-Lite system bus, bi-endian"; - break; - case 0x04: - arch = "AHB"; - break; - default: - arch = "Unknown"; - break; - } - - return sprintf(buf, "%s\n", arch); + return sprintf(buf, "%s\n", integrator_arch_str(integrator_id)); } static struct device_attribute intcp_arch_attr = @@ -175,24 +176,7 @@ static ssize_t intcp_get_fpga(struct device *dev, struct device_attribute *attr, char *buf) { - const char *fpga; - - switch ((integrator_id >> 12) & 0xf) { - case 0x01: - fpga = "XC4062"; - break; - case 0x02: - fpga = "XC4085"; - break; - case 0x04: - fpga = "EPM7256AE (Altera PLD)"; - break; - default: - fpga = "Unknown"; - break; - } - - return sprintf(buf, "%s\n", fpga); + return sprintf(buf, "%s\n", integrator_fpga_str(integrator_id)); } static struct device_attribute intcp_fpga_attr = diff --git a/arch/arm/mach-integrator/include/mach/irqs.h b/arch/arm/mach-integrator/include/mach/irqs.h deleted file mode 100644 index eff0adad9ae3..000000000000 --- a/arch/arm/mach-integrator/include/mach/irqs.h +++ /dev/null @@ -1,81 +0,0 @@ -/* - * arch/arm/mach-integrator/include/mach/irqs.h - * - * Copyright (C) 1999 ARM Limited - * Copyright (C) 2000 Deep Blue Solutions Ltd. - * - * 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 - */ - -/* - * Interrupt numbers, all of the above are just static reservations - * used so they can be encoded into device resources. They will finally - * be done away with when switching to device tree. - */ -#define IRQ_PIC_START 64 -#define IRQ_SOFTINT (IRQ_PIC_START+0) -#define IRQ_UARTINT0 (IRQ_PIC_START+1) -#define IRQ_UARTINT1 (IRQ_PIC_START+2) -#define IRQ_KMIINT0 (IRQ_PIC_START+3) -#define IRQ_KMIINT1 (IRQ_PIC_START+4) -#define IRQ_TIMERINT0 (IRQ_PIC_START+5) -#define IRQ_TIMERINT1 (IRQ_PIC_START+6) -#define IRQ_TIMERINT2 (IRQ_PIC_START+7) -#define IRQ_RTCINT (IRQ_PIC_START+8) -#define IRQ_AP_EXPINT0 (IRQ_PIC_START+9) -#define IRQ_AP_EXPINT1 (IRQ_PIC_START+10) -#define IRQ_AP_EXPINT2 (IRQ_PIC_START+11) -#define IRQ_AP_EXPINT3 (IRQ_PIC_START+12) -#define IRQ_AP_PCIINT0 (IRQ_PIC_START+13) -#define IRQ_AP_PCIINT1 (IRQ_PIC_START+14) -#define IRQ_AP_PCIINT2 (IRQ_PIC_START+15) -#define IRQ_AP_PCIINT3 (IRQ_PIC_START+16) -#define IRQ_AP_V3INT (IRQ_PIC_START+17) -#define IRQ_AP_CPINT0 (IRQ_PIC_START+18) -#define IRQ_AP_CPINT1 (IRQ_PIC_START+19) -#define IRQ_AP_LBUSTIMEOUT (IRQ_PIC_START+20) -#define IRQ_AP_APCINT (IRQ_PIC_START+21) -#define IRQ_CP_CLCDCINT (IRQ_PIC_START+22) -#define IRQ_CP_MMCIINT0 (IRQ_PIC_START+23) -#define IRQ_CP_MMCIINT1 (IRQ_PIC_START+24) -#define IRQ_CP_AACIINT (IRQ_PIC_START+25) -#define IRQ_CP_CPPLDINT (IRQ_PIC_START+26) -#define IRQ_CP_ETHINT (IRQ_PIC_START+27) -#define IRQ_CP_TSPENINT (IRQ_PIC_START+28) -#define IRQ_PIC_END (IRQ_PIC_START+28) - -#define IRQ_CIC_START (IRQ_PIC_END+1) -#define IRQ_CM_SOFTINT (IRQ_CIC_START+0) -#define IRQ_CM_COMMRX (IRQ_CIC_START+1) -#define IRQ_CM_COMMTX (IRQ_CIC_START+2) -#define IRQ_CIC_END (IRQ_CIC_START+2) - -/* - * IntegratorCP only - */ -#define IRQ_SIC_START (IRQ_CIC_END+1) -#define IRQ_SIC_CP_SOFTINT (IRQ_SIC_START+0) -#define IRQ_SIC_CP_RI0 (IRQ_SIC_START+1) -#define IRQ_SIC_CP_RI1 (IRQ_SIC_START+2) -#define IRQ_SIC_CP_CARDIN (IRQ_SIC_START+3) -#define IRQ_SIC_CP_LMINT0 (IRQ_SIC_START+4) -#define IRQ_SIC_CP_LMINT1 (IRQ_SIC_START+5) -#define IRQ_SIC_CP_LMINT2 (IRQ_SIC_START+6) -#define IRQ_SIC_CP_LMINT3 (IRQ_SIC_START+7) -#define IRQ_SIC_CP_LMINT4 (IRQ_SIC_START+8) -#define IRQ_SIC_CP_LMINT5 (IRQ_SIC_START+9) -#define IRQ_SIC_CP_LMINT6 (IRQ_SIC_START+10) -#define IRQ_SIC_CP_LMINT7 (IRQ_SIC_START+11) -#define IRQ_SIC_END (IRQ_SIC_START+11) diff --git a/arch/arm/mach-integrator/integrator_ap.c b/arch/arm/mach-integrator/integrator_ap.c index d9e95e612fcb..d50dc2dbfd89 100644 --- a/arch/arm/mach-integrator/integrator_ap.c +++ b/arch/arm/mach-integrator/integrator_ap.c @@ -51,13 +51,13 @@ #include <asm/mach-types.h> #include <mach/lm.h> -#include <mach/irqs.h> #include <asm/mach/arch.h> #include <asm/mach/irq.h> #include <asm/mach/map.h> #include <asm/mach/time.h> +#include "cm.h" #include "common.h" #include "pci_v3.h" @@ -146,7 +146,7 @@ static int irq_suspend(void) static void irq_resume(void) { /* disable all irq sources */ - writel(-1, VA_CMIC_BASE + IRQ_ENABLE_CLEAR); + cm_clear_irqs(); writel(-1, VA_IC_BASE + IRQ_ENABLE_CLEAR); writel(-1, VA_IC_BASE + FIQ_ENABLE_CLEAR); @@ -402,8 +402,6 @@ void __init ap_init_early(void) { } -#ifdef CONFIG_OF - static void __init ap_of_timer_init(void) { struct device_node *node; @@ -450,8 +448,7 @@ static const struct of_device_id fpga_irq_of_match[] __initconst = { static void __init ap_init_irq_of(void) { - /* disable core module IRQs */ - writel(0xffffffffU, VA_CMIC_BASE + IRQ_ENABLE_CLEAR); + cm_init(); of_irq_init(fpga_irq_of_match); integrator_clk_init(false); } @@ -473,6 +470,11 @@ static struct of_dev_auxdata ap_auxdata_lookup[] __initdata = { { /* sentinel */ }, }; +static const struct of_device_id ap_syscon_match[] = { + { .compatible = "arm,integrator-ap-syscon"}, + { }, +}; + static void __init ap_init_of(void) { unsigned long sc_dec; @@ -489,7 +491,8 @@ static void __init ap_init_of(void) root = of_find_node_by_path("/"); if (!root) return; - syscon = of_find_node_by_path("/syscon"); + + syscon = of_find_matching_node(root, ap_syscon_match); if (!syscon) return; @@ -541,7 +544,7 @@ static void __init ap_init_of(void) lmdev->resource.start = 0xc0000000 + 0x10000000 * i; lmdev->resource.end = lmdev->resource.start + 0x0fffffff; lmdev->resource.flags = IORESOURCE_MEM; - lmdev->irq = IRQ_AP_EXPINT0 + i; + lmdev->irq = irq_of_parse_and_map(syscon, i); lmdev->id = i; lm_device_register(lmdev); @@ -564,136 +567,3 @@ DT_MACHINE_START(INTEGRATOR_AP_DT, "ARM Integrator/AP (Device Tree)") .restart = integrator_restart, .dt_compat = ap_dt_board_compat, MACHINE_END - -#endif - -#ifdef CONFIG_ATAGS - -/* - * For the ATAG boot some static mappings are needed. This will - * go away with the ATAG support down the road. - */ - -static struct map_desc ap_io_desc_atag[] __initdata = { - { - .virtual = IO_ADDRESS(INTEGRATOR_SC_BASE), - .pfn = __phys_to_pfn(INTEGRATOR_SC_BASE), - .length = SZ_4K, - .type = MT_DEVICE - }, -}; - -static void __init ap_map_io_atag(void) -{ - iotable_init(ap_io_desc_atag, ARRAY_SIZE(ap_io_desc_atag)); - ap_map_io(); -} - -/* - * This is where non-devicetree initialization code is collected and stashed - * for eventual deletion. - */ - -static struct platform_device pci_v3_device = { - .name = "pci-v3", - .id = 0, -}; - -static struct resource cfi_flash_resource = { - .start = INTEGRATOR_FLASH_BASE, - .end = INTEGRATOR_FLASH_BASE + INTEGRATOR_FLASH_SIZE - 1, - .flags = IORESOURCE_MEM, -}; - -static struct platform_device cfi_flash_device = { - .name = "physmap-flash", - .id = 0, - .dev = { - .platform_data = &ap_flash_data, - }, - .num_resources = 1, - .resource = &cfi_flash_resource, -}; - -static void __init ap_timer_init(void) -{ - struct clk *clk; - unsigned long rate; - - clk = clk_get_sys("ap_timer", NULL); - BUG_ON(IS_ERR(clk)); - clk_prepare_enable(clk); - rate = clk_get_rate(clk); - - writel(0, TIMER0_VA_BASE + TIMER_CTRL); - writel(0, TIMER1_VA_BASE + TIMER_CTRL); - writel(0, TIMER2_VA_BASE + TIMER_CTRL); - - integrator_clocksource_init(rate, (void __iomem *)TIMER2_VA_BASE); - integrator_clockevent_init(rate, (void __iomem *)TIMER1_VA_BASE, - IRQ_TIMERINT1); -} - -#define INTEGRATOR_SC_VALID_INT 0x003fffff - -static void __init ap_init_irq(void) -{ - /* Disable all interrupts initially. */ - /* Do the core module ones */ - writel(-1, VA_CMIC_BASE + IRQ_ENABLE_CLEAR); - - /* do the header card stuff next */ - writel(-1, VA_IC_BASE + IRQ_ENABLE_CLEAR); - writel(-1, VA_IC_BASE + FIQ_ENABLE_CLEAR); - - fpga_irq_init(VA_IC_BASE, "SC", IRQ_PIC_START, - -1, INTEGRATOR_SC_VALID_INT, NULL); - integrator_clk_init(false); -} - -static void __init ap_init(void) -{ - unsigned long sc_dec; - int i; - - platform_device_register(&pci_v3_device); - platform_device_register(&cfi_flash_device); - - ap_syscon_base = __io_address(INTEGRATOR_SC_BASE); - sc_dec = readl(ap_syscon_base + INTEGRATOR_SC_DEC_OFFSET); - for (i = 0; i < 4; i++) { - struct lm_device *lmdev; - - if ((sc_dec & (16 << i)) == 0) - continue; - - lmdev = kzalloc(sizeof(struct lm_device), GFP_KERNEL); - if (!lmdev) - continue; - - lmdev->resource.start = 0xc0000000 + 0x10000000 * i; - lmdev->resource.end = lmdev->resource.start + 0x0fffffff; - lmdev->resource.flags = IORESOURCE_MEM; - lmdev->irq = IRQ_AP_EXPINT0 + i; - lmdev->id = i; - - lm_device_register(lmdev); - } - - integrator_init(false); -} - -MACHINE_START(INTEGRATOR, "ARM-Integrator") - /* Maintainer: ARM Ltd/Deep Blue Solutions Ltd */ - .atag_offset = 0x100, - .reserve = integrator_reserve, - .map_io = ap_map_io_atag, - .init_early = ap_init_early, - .init_irq = ap_init_irq, - .handle_irq = fpga_handle_irq, - .init_time = ap_timer_init, - .init_machine = ap_init, - .restart = integrator_restart, -MACHINE_END - -#endif diff --git a/arch/arm/mach-integrator/integrator_cp.c b/arch/arm/mach-integrator/integrator_cp.c index 8c60fcb08a98..1df6e7602cad 100644 --- a/arch/arm/mach-integrator/integrator_cp.c +++ b/arch/arm/mach-integrator/integrator_cp.c @@ -36,9 +36,7 @@ #include <asm/hardware/arm_timer.h> #include <asm/hardware/icst.h> -#include <mach/cm.h> #include <mach/lm.h> -#include <mach/irqs.h> #include <asm/mach/arch.h> #include <asm/mach/irq.h> @@ -50,6 +48,7 @@ #include <plat/clcd.h> #include <plat/sched_clock.h> +#include "cm.h" #include "common.h" /* Base address to the CP controller */ @@ -249,7 +248,6 @@ static void __init intcp_init_early(void) #endif } -#ifdef CONFIG_OF static const struct of_device_id fpga_irq_of_match[] __initconst = { { .compatible = "arm,versatile-fpga-irq", .data = fpga_irq_of_init, }, { /* Sentinel */ } @@ -257,6 +255,7 @@ static const struct of_device_id fpga_irq_of_match[] __initconst = { static void __init intcp_init_irq_of(void) { + cm_init(); of_irq_init(fpga_irq_of_match); integrator_clk_init(true); } @@ -287,6 +286,11 @@ static struct of_dev_auxdata intcp_auxdata_lookup[] __initdata = { { /* sentinel */ }, }; +static const struct of_device_id intcp_syscon_match[] = { + { .compatible = "arm,integrator-cp-syscon"}, + { }, +}; + static void __init intcp_init_of(void) { struct device_node *root; @@ -301,7 +305,8 @@ static void __init intcp_init_of(void) root = of_find_node_by_path("/"); if (!root) return; - cpcon = of_find_node_by_path("/cpcon"); + + cpcon = of_find_matching_node(root, intcp_syscon_match); if (!cpcon) return; @@ -354,175 +359,3 @@ DT_MACHINE_START(INTEGRATOR_CP_DT, "ARM Integrator/CP (Device Tree)") .restart = integrator_restart, .dt_compat = intcp_dt_board_compat, MACHINE_END - -#endif - -#ifdef CONFIG_ATAGS - -/* - * For the ATAG boot some static mappings are needed. This will - * go away with the ATAG support down the road. - */ - -static struct map_desc intcp_io_desc_atag[] __initdata = { - { - .virtual = IO_ADDRESS(INTEGRATOR_CP_CTL_BASE), - .pfn = __phys_to_pfn(INTEGRATOR_CP_CTL_BASE), - .length = SZ_4K, - .type = MT_DEVICE - }, -}; - -static void __init intcp_map_io_atag(void) -{ - iotable_init(intcp_io_desc_atag, ARRAY_SIZE(intcp_io_desc_atag)); - intcp_con_base = __io_address(INTEGRATOR_CP_CTL_BASE); - intcp_map_io(); -} - - -/* - * This is where non-devicetree initialization code is collected and stashed - * for eventual deletion. - */ - -#define INTCP_FLASH_SIZE SZ_32M - -static struct resource intcp_flash_resource = { - .start = INTCP_PA_FLASH_BASE, - .end = INTCP_PA_FLASH_BASE + INTCP_FLASH_SIZE - 1, - .flags = IORESOURCE_MEM, -}; - -static struct platform_device intcp_flash_device = { - .name = "physmap-flash", - .id = 0, - .dev = { - .platform_data = &intcp_flash_data, - }, - .num_resources = 1, - .resource = &intcp_flash_resource, -}; - -#define INTCP_ETH_SIZE 0x10 - -static struct resource smc91x_resources[] = { - [0] = { - .start = INTEGRATOR_CP_ETH_BASE, - .end = INTEGRATOR_CP_ETH_BASE + INTCP_ETH_SIZE - 1, - .flags = IORESOURCE_MEM, - }, - [1] = { - .start = IRQ_CP_ETHINT, - .end = IRQ_CP_ETHINT, - .flags = IORESOURCE_IRQ, - }, -}; - -static struct platform_device smc91x_device = { - .name = "smc91x", - .id = 0, - .num_resources = ARRAY_SIZE(smc91x_resources), - .resource = smc91x_resources, -}; - -static struct platform_device *intcp_devs[] __initdata = { - &intcp_flash_device, - &smc91x_device, -}; - -#define INTCP_VA_CIC_BASE __io_address(INTEGRATOR_HDR_BASE + 0x40) -#define INTCP_VA_PIC_BASE __io_address(INTEGRATOR_IC_BASE) -#define INTCP_VA_SIC_BASE __io_address(INTEGRATOR_CP_SIC_BASE) - -static void __init intcp_init_irq(void) -{ - u32 pic_mask, cic_mask, sic_mask; - - /* These masks are for the HW IRQ registers */ - pic_mask = ~((~0u) << (11 - 0)); - pic_mask |= (~((~0u) << (29 - 22))) << 22; - cic_mask = ~((~0u) << (1 + IRQ_CIC_END - IRQ_CIC_START)); - sic_mask = ~((~0u) << (1 + IRQ_SIC_END - IRQ_SIC_START)); - - /* - * Disable all interrupt sources - */ - writel(0xffffffff, INTCP_VA_PIC_BASE + IRQ_ENABLE_CLEAR); - writel(0xffffffff, INTCP_VA_PIC_BASE + FIQ_ENABLE_CLEAR); - writel(0xffffffff, INTCP_VA_CIC_BASE + IRQ_ENABLE_CLEAR); - writel(0xffffffff, INTCP_VA_CIC_BASE + FIQ_ENABLE_CLEAR); - writel(sic_mask, INTCP_VA_SIC_BASE + IRQ_ENABLE_CLEAR); - writel(sic_mask, INTCP_VA_SIC_BASE + FIQ_ENABLE_CLEAR); - - fpga_irq_init(INTCP_VA_PIC_BASE, "PIC", IRQ_PIC_START, - -1, pic_mask, NULL); - - fpga_irq_init(INTCP_VA_CIC_BASE, "CIC", IRQ_CIC_START, - -1, cic_mask, NULL); - - fpga_irq_init(INTCP_VA_SIC_BASE, "SIC", IRQ_SIC_START, - IRQ_CP_CPPLDINT, sic_mask, NULL); - - integrator_clk_init(true); -} - -#define TIMER0_VA_BASE __io_address(INTEGRATOR_TIMER0_BASE) -#define TIMER1_VA_BASE __io_address(INTEGRATOR_TIMER1_BASE) -#define TIMER2_VA_BASE __io_address(INTEGRATOR_TIMER2_BASE) - -static void __init cp_timer_init(void) -{ - writel(0, TIMER0_VA_BASE + TIMER_CTRL); - writel(0, TIMER1_VA_BASE + TIMER_CTRL); - writel(0, TIMER2_VA_BASE + TIMER_CTRL); - - sp804_clocksource_init(TIMER2_VA_BASE, "timer2"); - sp804_clockevents_init(TIMER1_VA_BASE, IRQ_TIMERINT1, "timer1"); -} - -#define INTEGRATOR_CP_MMC_IRQS { IRQ_CP_MMCIINT0, IRQ_CP_MMCIINT1 } -#define INTEGRATOR_CP_AACI_IRQS { IRQ_CP_AACIINT } - -static AMBA_APB_DEVICE(mmc, "mmci", 0, INTEGRATOR_CP_MMC_BASE, - INTEGRATOR_CP_MMC_IRQS, &mmc_data); - -static AMBA_APB_DEVICE(aaci, "aaci", 0, INTEGRATOR_CP_AACI_BASE, - INTEGRATOR_CP_AACI_IRQS, NULL); - -static AMBA_AHB_DEVICE(clcd, "clcd", 0, INTCP_PA_CLCD_BASE, - { IRQ_CP_CLCDCINT }, &clcd_data); - -static struct amba_device *amba_devs[] __initdata = { - &mmc_device, - &aaci_device, - &clcd_device, -}; - -static void __init intcp_init(void) -{ - int i; - - platform_add_devices(intcp_devs, ARRAY_SIZE(intcp_devs)); - - for (i = 0; i < ARRAY_SIZE(amba_devs); i++) { - struct amba_device *d = amba_devs[i]; - amba_device_register(d, &iomem_resource); - } - integrator_init(true); -} - -MACHINE_START(CINTEGRATOR, "ARM-IntegratorCP") - /* Maintainer: ARM Ltd/Deep Blue Solutions Ltd */ - .atag_offset = 0x100, - .reserve = integrator_reserve, - .map_io = intcp_map_io_atag, - .init_early = intcp_init_early, - .init_irq = intcp_init_irq, - .handle_irq = fpga_handle_irq, - .init_time = cp_timer_init, - .init_machine = intcp_init, - .restart = integrator_restart, -MACHINE_END - -#endif diff --git a/arch/arm/mach-integrator/leds.c b/arch/arm/mach-integrator/leds.c index 7a7f6d3273bf..cb6ac58f5e07 100644 --- a/arch/arm/mach-integrator/leds.c +++ b/arch/arm/mach-integrator/leds.c @@ -11,10 +11,11 @@ #include <linux/slab.h> #include <linux/leds.h> -#include <mach/cm.h> #include <mach/hardware.h> #include <mach/platform.h> +#include "cm.h" + #if defined(CONFIG_NEW_LEDS) && defined(CONFIG_LEDS_CLASS) #define ALPHA_REG __io_address(INTEGRATOR_DBG_BASE) @@ -78,7 +79,7 @@ static void cm_led_set(struct led_classdev *cdev, static enum led_brightness cm_led_get(struct led_classdev *cdev) { - u32 reg = readl(CM_CTRL); + u32 reg = cm_get(); return (reg & CM_CTRL_LED) ? LED_FULL : LED_OFF; } diff --git a/arch/arm/mach-integrator/pci_v3.c b/arch/arm/mach-integrator/pci_v3.c index bef100527c42..c9c5a33bc802 100644 --- a/arch/arm/mach-integrator/pci_v3.c +++ b/arch/arm/mach-integrator/pci_v3.c @@ -36,7 +36,6 @@ #include <mach/hardware.h> #include <mach/platform.h> -#include <mach/irqs.h> #include <asm/mach/map.h> #include <asm/signal.h> @@ -605,7 +604,7 @@ v3_pci_fault(unsigned long addr, unsigned int fsr, struct pt_regs *regs) return 1; } -static irqreturn_t v3_irq(int dummy, void *devid) +static irqreturn_t v3_irq(int irq, void *devid) { #ifdef CONFIG_DEBUG_LL struct pt_regs *regs = get_irq_regs(); @@ -615,7 +614,7 @@ static irqreturn_t v3_irq(int dummy, void *devid) extern void printascii(const char *); sprintf(buf, "V3 int %d: pc=0x%08lx [%08lx] LBFADDR=%08x LBFCODE=%02x " - "ISTAT=%02x\n", IRQ_AP_V3INT, pc, instr, + "ISTAT=%02x\n", irq, pc, instr, __raw_readl(ap_syscon_base + INTEGRATOR_SC_LBFADDR_OFFSET), __raw_readl(ap_syscon_base + INTEGRATOR_SC_LBFCODE_OFFSET) & 255, v3_readb(V3_LB_ISTAT)); @@ -809,32 +808,6 @@ static u8 __init pci_v3_swizzle(struct pci_dev *dev, u8 *pinp) return pci_common_swizzle(dev, pinp); } -static int irq_tab[4] __initdata = { - IRQ_AP_PCIINT0, IRQ_AP_PCIINT1, IRQ_AP_PCIINT2, IRQ_AP_PCIINT3 -}; - -/* - * map the specified device/slot/pin to an IRQ. This works out such - * that slot 9 pin 1 is INT0, pin 2 is INT1, and slot 10 pin 1 is INT1. - */ -static int __init pci_v3_map_irq(const struct pci_dev *dev, u8 slot, u8 pin) -{ - int intnr = ((slot - 9) + (pin - 1)) & 3; - - return irq_tab[intnr]; -} - -static struct hw_pci pci_v3 __initdata = { - .swizzle = pci_v3_swizzle, - .setup = pci_v3_setup, - .nr_controllers = 1, - .ops = &pci_v3_ops, - .preinit = pci_v3_preinit, - .postinit = pci_v3_postinit, -}; - -#ifdef CONFIG_OF - static int __init pci_v3_map_irq_dt(const struct pci_dev *dev, u8 slot, u8 pin) { struct of_irq oirq; @@ -851,14 +824,36 @@ static int __init pci_v3_map_irq_dt(const struct pci_dev *dev, u8 slot, u8 pin) oirq.size); } -static int __init pci_v3_dtprobe(struct platform_device *pdev, - struct device_node *np) +static struct hw_pci pci_v3 __initdata = { + .swizzle = pci_v3_swizzle, + .setup = pci_v3_setup, + .nr_controllers = 1, + .ops = &pci_v3_ops, + .preinit = pci_v3_preinit, + .postinit = pci_v3_postinit, +}; + +static int __init pci_v3_probe(struct platform_device *pdev) { + struct device_node *np = pdev->dev.of_node; struct of_pci_range_parser parser; struct of_pci_range range; struct resource *res; int irq, ret; + /* Remap the Integrator system controller */ + ap_syscon_base = devm_ioremap(&pdev->dev, INTEGRATOR_SC_BASE, 0x100); + if (!ap_syscon_base) { + dev_err(&pdev->dev, "unable to remap the AP syscon for PCIv3\n"); + return -ENODEV; + } + + /* Device tree probe path */ + if (!np) { + dev_err(&pdev->dev, "no device tree node for PCIv3\n"); + return -ENODEV; + } + if (of_pci_range_parser_init(&parser, np)) return -EINVAL; @@ -925,76 +920,6 @@ static int __init pci_v3_dtprobe(struct platform_device *pdev, return 0; } -#else - -static inline int pci_v3_dtprobe(struct platform_device *pdev, - struct device_node *np) -{ - return -EINVAL; -} - -#endif - -static int __init pci_v3_probe(struct platform_device *pdev) -{ - struct device_node *np = pdev->dev.of_node; - int ret; - - /* Remap the Integrator system controller */ - ap_syscon_base = ioremap(INTEGRATOR_SC_BASE, 0x100); - if (!ap_syscon_base) { - dev_err(&pdev->dev, "unable to remap the AP syscon for PCIv3\n"); - return -ENODEV; - } - - /* Device tree probe path */ - if (np) - return pci_v3_dtprobe(pdev, np); - - pci_v3_base = devm_ioremap(&pdev->dev, PHYS_PCI_V3_BASE, SZ_64K); - if (!pci_v3_base) { - dev_err(&pdev->dev, "unable to remap PCIv3 base\n"); - return -ENODEV; - } - - ret = devm_request_irq(&pdev->dev, IRQ_AP_V3INT, v3_irq, 0, "V3", NULL); - if (ret) { - dev_err(&pdev->dev, "unable to grab PCI error interrupt: %d\n", - ret); - return -ENODEV; - } - - conf_mem.name = "PCIv3 config"; - conf_mem.start = PHYS_PCI_CONFIG_BASE; - conf_mem.end = PHYS_PCI_CONFIG_BASE + SZ_16M - 1; - conf_mem.flags = IORESOURCE_MEM; - - io_mem.name = "PCIv3 I/O"; - io_mem.start = PHYS_PCI_IO_BASE; - io_mem.end = PHYS_PCI_IO_BASE + SZ_16M - 1; - io_mem.flags = IORESOURCE_MEM; - - non_mem_pci = 0x00000000; - non_mem_pci_sz = SZ_256M; - non_mem.name = "PCIv3 non-prefetched mem"; - non_mem.start = PHYS_PCI_MEM_BASE; - non_mem.end = PHYS_PCI_MEM_BASE + SZ_256M - 1; - non_mem.flags = IORESOURCE_MEM; - - pre_mem_pci = 0x10000000; - pre_mem_pci_sz = SZ_256M; - pre_mem.name = "PCIv3 prefetched mem"; - pre_mem.start = PHYS_PCI_PRE_BASE + SZ_256M; - pre_mem.end = PHYS_PCI_PRE_BASE + SZ_256M - 1; - pre_mem.flags = IORESOURCE_MEM | IORESOURCE_PREFETCH; - - pci_v3.map_irq = pci_v3_map_irq; - - pci_common_init_dev(&pdev->dev, &pci_v3); - - return 0; -} - static const struct of_device_id pci_ids[] = { { .compatible = "v3,v360epc-pci", }, {}, |