diff options
author | Linus Torvalds <torvalds@woody.linux-foundation.org> | 2007-07-18 12:57:52 -0700 |
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committer | Linus Torvalds <torvalds@woody.linux-foundation.org> | 2007-07-18 12:57:52 -0700 |
commit | 5bae7ac9feba925fd0099057f6b23d7be80b7b41 (patch) | |
tree | 7ff78cda1d18a7b5eb5c6384815bb8f7b87cf5ce | |
parent | 97405fe26b2a4df7090884b086ee8224ace2a6d1 (diff) | |
parent | 587ca7619a150cef0ce0dd8fd08c367e502f0421 (diff) | |
download | linux-5bae7ac9feba925fd0099057f6b23d7be80b7b41.tar.bz2 |
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/hskinnemoen/avr32-2.6
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/hskinnemoen/avr32-2.6:
[AVR32] Initialize phy_mask for both macb devices
[AVR32] Fix atomic_add_unless() and atomic_sub_unless()
[AVR32] Correct misspelled CONFIG_BLK_DEV_INITRD variable.
[AVR32] Fix build error in parse_tag_rdimg()
[AVR32] Don't wire up macb0 unless SW6 is in default position
[AVR32] Wire up SSC platform device 0 as TX on ATSTK1000 board
[AVR32] Add Atmel SSC driver platform device to AT32AP architecture
[AVR32] Remove optimization of unaligned word loads
[AVR32] Make STK1000 mux settings configurable
[AVR32] CPU frequency scaling for AT32AP
[AVR32] Split SM device into PM, RTC, WDT and EIC
[AVR32] faster avr32 unaligned access
-rw-r--r-- | arch/avr32/Kconfig | 25 | ||||
-rw-r--r-- | arch/avr32/boards/atstk1000/Kconfig | 53 | ||||
-rw-r--r-- | arch/avr32/boards/atstk1000/atstk1002.c | 50 | ||||
-rw-r--r-- | arch/avr32/kernel/setup.c | 4 | ||||
-rw-r--r-- | arch/avr32/mach-at32ap/Makefile | 1 | ||||
-rw-r--r-- | arch/avr32/mach-at32ap/at32ap.c | 31 | ||||
-rw-r--r-- | arch/avr32/mach-at32ap/at32ap7000.c | 340 | ||||
-rw-r--r-- | arch/avr32/mach-at32ap/cpufreq.c | 112 | ||||
-rw-r--r-- | arch/avr32/mach-at32ap/extint.c | 200 | ||||
-rw-r--r-- | arch/avr32/mach-at32ap/pm.h | 112 | ||||
-rw-r--r-- | arch/avr32/mach-at32ap/sm.h | 242 | ||||
-rw-r--r-- | include/asm-avr32/arch-at32ap/board.h | 14 | ||||
-rw-r--r-- | include/asm-avr32/arch-at32ap/sm.h | 27 | ||||
-rw-r--r-- | include/asm-avr32/atomic.h | 4 | ||||
-rw-r--r-- | include/asm-avr32/unaligned.h | 15 |
15 files changed, 751 insertions, 479 deletions
diff --git a/arch/avr32/Kconfig b/arch/avr32/Kconfig index 3ec76586877e..d12346aaa88b 100644 --- a/arch/avr32/Kconfig +++ b/arch/avr32/Kconfig @@ -113,6 +113,10 @@ config BOARD_ATNGW100 bool "ATNGW100 Network Gateway" endchoice +if BOARD_ATSTK1000 +source "arch/avr32/boards/atstk1000/Kconfig" +endif + choice prompt "Boot loader type" default LOADER_U_BOOT @@ -185,6 +189,27 @@ config CMDLINE endmenu +menu "Power managment options" + +menu "CPU Frequency scaling" + +source "drivers/cpufreq/Kconfig" + +config CPU_FREQ_AT32AP + bool "CPU frequency driver for AT32AP" + depends on CPU_FREQ && PLATFORM_AT32AP + default n + help + This enables the CPU frequency driver for AT32AP processors. + + For details, take a look in <file:Documentation/cpu-freq>. + + If in doubt, say N. + +endmenu + +endmenu + menu "Bus options" config PCI diff --git a/arch/avr32/boards/atstk1000/Kconfig b/arch/avr32/boards/atstk1000/Kconfig new file mode 100644 index 000000000000..71bc7d364fb7 --- /dev/null +++ b/arch/avr32/boards/atstk1000/Kconfig @@ -0,0 +1,53 @@ +# STK1000 customization + +if BOARD_ATSTK1002 + +config BOARD_ATSTK1002_CUSTOM + bool "Non-default STK-1002 jumper settings" + help + You will normally leave the jumpers on the CPU card at their + default settings. If you need to use certain peripherals, + you will need to change some of those jumpers. + +if BOARD_ATSTK1002_CUSTOM + +config BOARD_ATSTK1002_SW1_CUSTOM + bool "SW1: use SSC1 (not SPI0)" + help + This also prevents using the external DAC as an audio interface, + and means you can't initialize the on-board QVGA display. + +config BOARD_ATSTK1002_SW2_CUSTOM + bool "SW2: use IRDA or TIMER0 (not UART-A, MMC/SD, and PS2-A)" + help + If you change this you'll want an updated boot loader putting + the console on UART-C not UART-A. + +config BOARD_ATSTK1002_SW3_CUSTOM + bool "SW3: use TIMER1 (not SSC0 and GCLK)" + help + This also prevents using the external DAC as an audio interface. + +config BOARD_ATSTK1002_SW4_CUSTOM + bool "SW4: use ISI/Camera (not GPIOs, SPI1, and PS2-B)" + help + To use the camera interface you'll need a custom card (on the + PCI-format connector) connect a video sensor. + +config BOARD_ATSTK1002_SW5_CUSTOM + bool "SW5: use MACB1 (not LCDC)" + +config BOARD_ATSTK1002_SW6_CUSTOM + bool "SW6: more GPIOs (not MACB0)" + +endif # custom + +config BOARD_ATSTK1002_SPI1 + bool "Configure SPI1 controller" + depends on !BOARD_ATSTK1002_SW4_CUSTOM + help + All the signals for the second SPI controller are available on + GPIO lines and accessed through the J1 jumper block. Say "y" + here to configure that SPI controller. + +endif # stk 1002 diff --git a/arch/avr32/boards/atstk1000/atstk1002.c b/arch/avr32/boards/atstk1000/atstk1002.c index e253e86a1a39..cb93eabb9c6c 100644 --- a/arch/avr32/boards/atstk1000/atstk1002.c +++ b/arch/avr32/boards/atstk1000/atstk1002.c @@ -27,15 +27,27 @@ #include "atstk1000.h" -#define SW2_DEFAULT /* MMCI and UART_A available */ struct eth_addr { u8 addr[6]; }; static struct eth_addr __initdata hw_addr[2]; -static struct eth_platform_data __initdata eth_data[2]; +static struct eth_platform_data __initdata eth_data[2] = { + { + /* + * The MDIO pullups on STK1000 are a bit too weak for + * the autodetection to work properly, so we have to + * mask out everything but the correct address. + */ + .phy_mask = ~(1U << 16), + }, + { + .phy_mask = ~(1U << 17), + }, +}; +#ifndef CONFIG_BOARD_ATSTK1002_SW1_CUSTOM static struct spi_board_info spi0_board_info[] __initdata = { { /* QVGA display */ @@ -45,6 +57,13 @@ static struct spi_board_info spi0_board_info[] __initdata = { .mode = SPI_MODE_3, }, }; +#endif + +#ifdef CONFIG_BOARD_ATSTK1002_SPI1 +static struct spi_board_info spi1_board_info[] __initdata = { { + /* patch in custom entries here */ +} }; +#endif /* * The next two functions should go away as the boot loader is @@ -103,10 +122,10 @@ static void __init set_hw_addr(struct platform_device *pdev) void __init setup_board(void) { -#ifdef SW2_DEFAULT - at32_map_usart(1, 0); /* USART 1/A: /dev/ttyS0, DB9 */ -#else +#ifdef CONFIG_BOARD_ATSTK1002_SW2_CUSTOM at32_map_usart(0, 1); /* USART 0/B: /dev/ttyS1, IRDA */ +#else + at32_map_usart(1, 0); /* USART 1/A: /dev/ttyS0, DB9 */ #endif /* USART 2/unused: expansion connector */ at32_map_usart(3, 2); /* USART 3/C: /dev/ttyS2, DB9 */ @@ -140,18 +159,31 @@ static int __init atstk1002_init(void) at32_add_system_devices(); -#ifdef SW2_DEFAULT - at32_add_device_usart(0); -#else +#ifdef CONFIG_BOARD_ATSTK1002_SW2_CUSTOM at32_add_device_usart(1); +#else + at32_add_device_usart(0); #endif at32_add_device_usart(2); +#ifndef CONFIG_BOARD_ATSTK1002_SW6_CUSTOM set_hw_addr(at32_add_device_eth(0, ð_data[0])); - +#endif +#ifndef CONFIG_BOARD_ATSTK1002_SW1_CUSTOM at32_add_device_spi(0, spi0_board_info, ARRAY_SIZE(spi0_board_info)); +#endif +#ifdef CONFIG_BOARD_ATSTK1002_SPI1 + at32_add_device_spi(1, spi1_board_info, ARRAY_SIZE(spi1_board_info)); +#endif +#ifdef CONFIG_BOARD_ATSTK1002_SW5_CUSTOM + set_hw_addr(at32_add_device_eth(1, ð_data[1])); +#else at32_add_device_lcdc(0, &atstk1000_lcdc_data, fbmem_start, fbmem_size); +#endif +#ifndef CONFIG_BOARD_ATSTK1002_SW3_CUSTOM + at32_add_device_ssc(0, ATMEL_SSC_TX); +#endif return 0; } diff --git a/arch/avr32/kernel/setup.c b/arch/avr32/kernel/setup.c index b279d66acf5f..d08b0bc6b2bb 100644 --- a/arch/avr32/kernel/setup.c +++ b/arch/avr32/kernel/setup.c @@ -313,7 +313,7 @@ __tagtable(ATAG_MEM, parse_tag_mem); static int __init parse_tag_rdimg(struct tag *tag) { -#ifdef CONFIG_INITRD +#ifdef CONFIG_BLK_DEV_INITRD struct tag_mem_range *mem = &tag->u.mem_range; int ret; @@ -323,7 +323,7 @@ static int __init parse_tag_rdimg(struct tag *tag) return 0; } - ret = add_reserved_region(mem->start, mem->start + mem->size - 1, + ret = add_reserved_region(mem->addr, mem->addr + mem->size - 1, "initrd"); if (ret) { printk(KERN_WARNING diff --git a/arch/avr32/mach-at32ap/Makefile b/arch/avr32/mach-at32ap/Makefile index f1d395724ac6..a8b445046e3e 100644 --- a/arch/avr32/mach-at32ap/Makefile +++ b/arch/avr32/mach-at32ap/Makefile @@ -1,3 +1,4 @@ obj-y += at32ap.o clock.o intc.o extint.o pio.o hsmc.o obj-$(CONFIG_CPU_AT32AP7000) += at32ap7000.o obj-$(CONFIG_CPU_AT32AP7000) += time-tc.o +obj-$(CONFIG_CPU_FREQ_AT32AP) += cpufreq.o diff --git a/arch/avr32/mach-at32ap/at32ap.c b/arch/avr32/mach-at32ap/at32ap.c index 90f207e8e96d..7c4987f3287a 100644 --- a/arch/avr32/mach-at32ap/at32ap.c +++ b/arch/avr32/mach-at32ap/at32ap.c @@ -11,41 +11,10 @@ #include <linux/init.h> #include <linux/platform_device.h> -#include <asm/io.h> - #include <asm/arch/init.h> -#include <asm/arch/sm.h> - -struct at32_sm system_manager; - -static int __init at32_sm_init(void) -{ - struct resource *regs; - struct at32_sm *sm = &system_manager; - int ret = -ENXIO; - - regs = platform_get_resource(&at32_sm_device, IORESOURCE_MEM, 0); - if (!regs) - goto fail; - - spin_lock_init(&sm->lock); - sm->pdev = &at32_sm_device; - - ret = -ENOMEM; - sm->regs = ioremap(regs->start, regs->end - regs->start + 1); - if (!sm->regs) - goto fail; - - return 0; - -fail: - printk(KERN_ERR "Failed to initialize System Manager: %d\n", ret); - return ret; -} void __init setup_platform(void) { - at32_sm_init(); at32_clock_init(); at32_portmux_init(); } diff --git a/arch/avr32/mach-at32ap/at32ap7000.c b/arch/avr32/mach-at32ap/at32ap7000.c index 4dda42d3f6d5..64cc5583ddfb 100644 --- a/arch/avr32/mach-at32ap/at32ap7000.c +++ b/arch/avr32/mach-at32ap/at32ap7000.c @@ -17,14 +17,20 @@ #include <asm/arch/at32ap7000.h> #include <asm/arch/board.h> #include <asm/arch/portmux.h> -#include <asm/arch/sm.h> #include <video/atmel_lcdc.h> #include "clock.h" #include "hmatrix.h" #include "pio.h" -#include "sm.h" +#include "pm.h" + +/* + * We can reduce the code size a bit by using a constant here. Since + * this file is completely chip-specific, it's safe to not use + * ioremap. Generic drivers should of course never do this. + */ +#define AT32_PM_BASE 0xfff00000 #define PBMEM(base) \ { \ @@ -88,6 +94,8 @@ static struct clk devname##_##_name = { \ .index = _index, \ } +static DEFINE_SPINLOCK(pm_lock); + unsigned long at32ap7000_osc_rates[3] = { [0] = 32768, /* FIXME: these are ATSTK1002-specific */ @@ -104,11 +112,11 @@ static unsigned long pll_get_rate(struct clk *clk, unsigned long control) { unsigned long div, mul, rate; - if (!(control & SM_BIT(PLLEN))) + if (!(control & PM_BIT(PLLEN))) return 0; - div = SM_BFEXT(PLLDIV, control) + 1; - mul = SM_BFEXT(PLLMUL, control) + 1; + div = PM_BFEXT(PLLDIV, control) + 1; + mul = PM_BFEXT(PLLMUL, control) + 1; rate = clk->parent->get_rate(clk->parent); rate = (rate + div / 2) / div; @@ -121,7 +129,7 @@ static unsigned long pll0_get_rate(struct clk *clk) { u32 control; - control = sm_readl(&system_manager, PM_PLL0); + control = pm_readl(PLL0); return pll_get_rate(clk, control); } @@ -130,7 +138,7 @@ static unsigned long pll1_get_rate(struct clk *clk) { u32 control; - control = sm_readl(&system_manager, PM_PLL1); + control = pm_readl(PLL1); return pll_get_rate(clk, control); } @@ -187,108 +195,139 @@ static unsigned long bus_clk_get_rate(struct clk *clk, unsigned int shift) static void cpu_clk_mode(struct clk *clk, int enabled) { - struct at32_sm *sm = &system_manager; unsigned long flags; u32 mask; - spin_lock_irqsave(&sm->lock, flags); - mask = sm_readl(sm, PM_CPU_MASK); + spin_lock_irqsave(&pm_lock, flags); + mask = pm_readl(CPU_MASK); if (enabled) mask |= 1 << clk->index; else mask &= ~(1 << clk->index); - sm_writel(sm, PM_CPU_MASK, mask); - spin_unlock_irqrestore(&sm->lock, flags); + pm_writel(CPU_MASK, mask); + spin_unlock_irqrestore(&pm_lock, flags); } static unsigned long cpu_clk_get_rate(struct clk *clk) { unsigned long cksel, shift = 0; - cksel = sm_readl(&system_manager, PM_CKSEL); - if (cksel & SM_BIT(CPUDIV)) - shift = SM_BFEXT(CPUSEL, cksel) + 1; + cksel = pm_readl(CKSEL); + if (cksel & PM_BIT(CPUDIV)) + shift = PM_BFEXT(CPUSEL, cksel) + 1; return bus_clk_get_rate(clk, shift); } +static long cpu_clk_set_rate(struct clk *clk, unsigned long rate, int apply) +{ + u32 control; + unsigned long parent_rate, child_div, actual_rate, div; + + parent_rate = clk->parent->get_rate(clk->parent); + control = pm_readl(CKSEL); + + if (control & PM_BIT(HSBDIV)) + child_div = 1 << (PM_BFEXT(HSBSEL, control) + 1); + else + child_div = 1; + + if (rate > 3 * (parent_rate / 4) || child_div == 1) { + actual_rate = parent_rate; + control &= ~PM_BIT(CPUDIV); + } else { + unsigned int cpusel; + div = (parent_rate + rate / 2) / rate; + if (div > child_div) + div = child_div; + cpusel = (div > 1) ? (fls(div) - 2) : 0; + control = PM_BIT(CPUDIV) | PM_BFINS(CPUSEL, cpusel, control); + actual_rate = parent_rate / (1 << (cpusel + 1)); + } + + pr_debug("clk %s: new rate %lu (actual rate %lu)\n", + clk->name, rate, actual_rate); + + if (apply) + pm_writel(CKSEL, control); + + return actual_rate; +} + static void hsb_clk_mode(struct clk *clk, int enabled) { - struct at32_sm *sm = &system_manager; unsigned long flags; u32 mask; - spin_lock_irqsave(&sm->lock, flags); - mask = sm_readl(sm, PM_HSB_MASK); + spin_lock_irqsave(&pm_lock, flags); + mask = pm_readl(HSB_MASK); if (enabled) mask |= 1 << clk->index; else mask &= ~(1 << clk->index); - sm_writel(sm, PM_HSB_MASK, mask); - spin_unlock_irqrestore(&sm->lock, flags); + pm_writel(HSB_MASK, mask); + spin_unlock_irqrestore(&pm_lock, flags); } static unsigned long hsb_clk_get_rate(struct clk *clk) { unsigned long cksel, shift = 0; - cksel = sm_readl(&system_manager, PM_CKSEL); - if (cksel & SM_BIT(HSBDIV)) - shift = SM_BFEXT(HSBSEL, cksel) + 1; + cksel = pm_readl(CKSEL); + if (cksel & PM_BIT(HSBDIV)) + shift = PM_BFEXT(HSBSEL, cksel) + 1; return bus_clk_get_rate(clk, shift); } static void pba_clk_mode(struct clk *clk, int enabled) { - struct at32_sm *sm = &system_manager; unsigned long flags; u32 mask; - spin_lock_irqsave(&sm->lock, flags); - mask = sm_readl(sm, PM_PBA_MASK); + spin_lock_irqsave(&pm_lock, flags); + mask = pm_readl(PBA_MASK); if (enabled) mask |= 1 << clk->index; else mask &= ~(1 << clk->index); - sm_writel(sm, PM_PBA_MASK, mask); - spin_unlock_irqrestore(&sm->lock, flags); + pm_writel(PBA_MASK, mask); + spin_unlock_irqrestore(&pm_lock, flags); } static unsigned long pba_clk_get_rate(struct clk *clk) { unsigned long cksel, shift = 0; - cksel = sm_readl(&system_manager, PM_CKSEL); - if (cksel & SM_BIT(PBADIV)) - shift = SM_BFEXT(PBASEL, cksel) + 1; + cksel = pm_readl(CKSEL); + if (cksel & PM_BIT(PBADIV)) + shift = PM_BFEXT(PBASEL, cksel) + 1; return bus_clk_get_rate(clk, shift); } static void pbb_clk_mode(struct clk *clk, int enabled) { - struct at32_sm *sm = &system_manager; unsigned long flags; u32 mask; - spin_lock_irqsave(&sm->lock, flags); - mask = sm_readl(sm, PM_PBB_MASK); + spin_lock_irqsave(&pm_lock, flags); + mask = pm_readl(PBB_MASK); if (enabled) mask |= 1 << clk->index; else mask &= ~(1 << clk->index); - sm_writel(sm, PM_PBB_MASK, mask); - spin_unlock_irqrestore(&sm->lock, flags); + pm_writel(PBB_MASK, mask); + spin_unlock_irqrestore(&pm_lock, flags); } static unsigned long pbb_clk_get_rate(struct clk *clk) { unsigned long cksel, shift = 0; - cksel = sm_readl(&system_manager, PM_CKSEL); - if (cksel & SM_BIT(PBBDIV)) - shift = SM_BFEXT(PBBSEL, cksel) + 1; + cksel = pm_readl(CKSEL); + if (cksel & PM_BIT(PBBDIV)) + shift = PM_BFEXT(PBBSEL, cksel) + 1; return bus_clk_get_rate(clk, shift); } @@ -296,6 +335,7 @@ static unsigned long pbb_clk_get_rate(struct clk *clk) static struct clk cpu_clk = { .name = "cpu", .get_rate = cpu_clk_get_rate, + .set_rate = cpu_clk_set_rate, .users = 1, }; static struct clk hsb_clk = { @@ -327,12 +367,12 @@ static void genclk_mode(struct clk *clk, int enabled) { u32 control; - control = sm_readl(&system_manager, PM_GCCTRL + 4 * clk->index); + control = pm_readl(GCCTRL(clk->index)); if (enabled) - control |= SM_BIT(CEN); + control |= PM_BIT(CEN); else - control &= ~SM_BIT(CEN); - sm_writel(&system_manager, PM_GCCTRL + 4 * clk->index, control); + control &= ~PM_BIT(CEN); + pm_writel(GCCTRL(clk->index), control); } static unsigned long genclk_get_rate(struct clk *clk) @@ -340,9 +380,9 @@ static unsigned long genclk_get_rate(struct clk *clk) u32 control; unsigned long div = 1; - control = sm_readl(&system_manager, PM_GCCTRL + 4 * clk->index); - if (control & SM_BIT(DIVEN)) - div = 2 * (SM_BFEXT(DIV, control) + 1); + control = pm_readl(GCCTRL(clk->index)); + if (control & PM_BIT(DIVEN)) + div = 2 * (PM_BFEXT(DIV, control) + 1); return clk->parent->get_rate(clk->parent) / div; } @@ -353,23 +393,22 @@ static long genclk_set_rate(struct clk *clk, unsigned long rate, int apply) unsigned long parent_rate, actual_rate, div; parent_rate = clk->parent->get_rate(clk->parent); - control = sm_readl(&system_manager, PM_GCCTRL + 4 * clk->index); + control = pm_readl(GCCTRL(clk->index)); if (rate > 3 * parent_rate / 4) { actual_rate = parent_rate; - control &= ~SM_BIT(DIVEN); + control &= ~PM_BIT(DIVEN); } else { div = (parent_rate + rate) / (2 * rate) - 1; - control = SM_BFINS(DIV, div, control) | SM_BIT(DIVEN); + control = PM_BFINS(DIV, div, control) | PM_BIT(DIVEN); actual_rate = parent_rate / (2 * (div + 1)); } - printk("clk %s: new rate %lu (actual rate %lu)\n", - clk->name, rate, actual_rate); + dev_dbg(clk->dev, "clk %s: new rate %lu (actual rate %lu)\n", + clk->name, rate, actual_rate); if (apply) - sm_writel(&system_manager, PM_GCCTRL + 4 * clk->index, - control); + pm_writel(GCCTRL(clk->index), control); return actual_rate; } @@ -378,24 +417,24 @@ int genclk_set_parent(struct clk *clk, struct clk *parent) { u32 control; - printk("clk %s: new parent %s (was %s)\n", - clk->name, parent->name, clk->parent->name); + dev_dbg(clk->dev, "clk %s: new parent %s (was %s)\n", + clk->name, parent->name, clk->parent->name); - control = sm_readl(&system_manager, PM_GCCTRL + 4 * clk->index); + control = pm_readl(GCCTRL(clk->index)); if (parent == &osc1 || parent == &pll1) - control |= SM_BIT(OSCSEL); + control |= PM_BIT(OSCSEL); else if (parent == &osc0 || parent == &pll0) - control &= ~SM_BIT(OSCSEL); + control &= ~PM_BIT(OSCSEL); else return -EINVAL; if (parent == &pll0 || parent == &pll1) - control |= SM_BIT(PLLSEL); + control |= PM_BIT(PLLSEL); else - control &= ~SM_BIT(PLLSEL); + control &= ~PM_BIT(PLLSEL); - sm_writel(&system_manager, PM_GCCTRL + 4 * clk->index, control); + pm_writel(GCCTRL(clk->index), control); clk->parent = parent; return 0; @@ -408,11 +447,11 @@ static void __init genclk_init_parent(struct clk *clk) BUG_ON(clk->index > 7); - control = sm_readl(&system_manager, PM_GCCTRL + 4 * clk->index); - if (control & SM_BIT(OSCSEL)) - parent = (control & SM_BIT(PLLSEL)) ? &pll1 : &osc1; + control = pm_readl(GCCTRL(clk->index)); + if (control & PM_BIT(OSCSEL)) + parent = (control & PM_BIT(PLLSEL)) ? &pll1 : &osc1; else - parent = (control & SM_BIT(PLLSEL)) ? &pll0 : &osc0; + parent = (control & PM_BIT(PLLSEL)) ? &pll0 : &osc0; clk->parent = parent; } @@ -420,21 +459,53 @@ static void __init genclk_init_parent(struct clk *clk) /* -------------------------------------------------------------------- * System peripherals * -------------------------------------------------------------------- */ -static struct resource sm_resource[] = { - PBMEM(0xfff00000), - NAMED_IRQ(19, "eim"), - NAMED_IRQ(20, "pm"), - NAMED_IRQ(21, "rtc"), +static struct resource at32_pm0_resource[] = { + { + .start = 0xfff00000, + .end = 0xfff0007f, + .flags = IORESOURCE_MEM, + }, + IRQ(20), }; -struct platform_device at32_sm_device = { - .name = "sm", - .id = 0, - .resource = sm_resource, - .num_resources = ARRAY_SIZE(sm_resource), + +static struct resource at32ap700x_rtc0_resource[] = { + { + .start = 0xfff00080, + .end = 0xfff000af, + .flags = IORESOURCE_MEM, + }, + IRQ(21), +}; + +static struct resource at32_wdt0_resource[] = { + { + .start = 0xfff000b0, + .end = 0xfff000bf, + .flags = IORESOURCE_MEM, + }, +}; + +static struct resource at32_eic0_resource[] = { + { + .start = 0xfff00100, + .end = 0xfff0013f, + .flags = IORESOURCE_MEM, + }, + IRQ(19), }; -static struct clk at32_sm_pclk = { + +DEFINE_DEV(at32_pm, 0); +DEFINE_DEV(at32ap700x_rtc, 0); +DEFINE_DEV(at32_wdt, 0); +DEFINE_DEV(at32_eic, 0); + +/* + * Peripheral clock for PM, RTC, WDT and EIC. PM will ensure that this + * is always running. + */ +static struct clk at32_pm_pclk = { .name = "pclk", - .dev = &at32_sm_device.dev, + .dev = &at32_pm0_device.dev, .parent = &pbb_clk, .mode = pbb_clk_mode, .get_rate = pbb_clk_get_rate, @@ -583,10 +654,11 @@ DEV_CLK(mck, pio4, pba, 14); void __init at32_add_system_devices(void) { - system_manager.eim_first_irq = EIM_IRQ_BASE; - - platform_device_register(&at32_sm_device); + platform_device_register(&at32_pm0_device); platform_device_register(&at32_intc0_device); + platform_device_register(&at32ap700x_rtc0_device); + platform_device_register(&at32_wdt0_device); + platform_device_register(&at32_eic0_device); platform_device_register(&smc0_device); platform_device_register(&pdc_device); @@ -1013,6 +1085,89 @@ err_dup_modedb: } /* -------------------------------------------------------------------- + * SSC + * -------------------------------------------------------------------- */ +static struct resource ssc0_resource[] = { + PBMEM(0xffe01c00), + IRQ(10), +}; +DEFINE_DEV(ssc, 0); +DEV_CLK(pclk, ssc0, pba, 7); + +static struct resource ssc1_resource[] = { + PBMEM(0xffe02000), + IRQ(11), +}; +DEFINE_DEV(ssc, 1); +DEV_CLK(pclk, ssc1, pba, 8); + +static struct resource ssc2_resource[] = { + PBMEM(0xffe02400), + IRQ(12), +}; +DEFINE_DEV(ssc, 2); +DEV_CLK(pclk, ssc2, pba, 9); + +struct platform_device *__init +at32_add_device_ssc(unsigned int id, unsigned int flags) +{ + struct platform_device *pdev; + + switch (id) { + case 0: + pdev = &ssc0_device; + if (flags & ATMEL_SSC_RF) + select_peripheral(PA(21), PERIPH_A, 0); /* RF */ + if (flags & ATMEL_SSC_RK) + select_peripheral(PA(22), PERIPH_A, 0); /* RK */ + if (flags & ATMEL_SSC_TK) + select_peripheral(PA(23), PERIPH_A, 0); /* TK */ + if (flags & ATMEL_SSC_TF) + select_peripheral(PA(24), PERIPH_A, 0); /* TF */ + if (flags & ATMEL_SSC_TD) + select_peripheral(PA(25), PERIPH_A, 0); /* TD */ + if (flags & ATMEL_SSC_RD) + select_peripheral(PA(26), PERIPH_A, 0); /* RD */ + break; + case 1: + pdev = &ssc1_device; + if (flags & ATMEL_SSC_RF) + select_peripheral(PA(0), PERIPH_B, 0); /* RF */ + if (flags & ATMEL_SSC_RK) + select_peripheral(PA(1), PERIPH_B, 0); /* RK */ + if (flags & ATMEL_SSC_TK) + select_peripheral(PA(2), PERIPH_B, 0); /* TK */ + if (flags & ATMEL_SSC_TF) + select_peripheral(PA(3), PERIPH_B, 0); /* TF */ + if (flags & ATMEL_SSC_TD) + select_peripheral(PA(4), PERIPH_B, 0); /* TD */ + if (flags & ATMEL_SSC_RD) + select_peripheral(PA(5), PERIPH_B, 0); /* RD */ + break; + case 2: + pdev = &ssc2_device; + if (flags & ATMEL_SSC_TD) + select_peripheral(PB(13), PERIPH_A, 0); /* TD */ + if (flags & ATMEL_SSC_RD) + select_peripheral(PB(14), PERIPH_A, 0); /* RD */ + if (flags & ATMEL_SSC_TK) + select_peripheral(PB(15), PERIPH_A, 0); /* TK */ + if (flags & ATMEL_SSC_TF) + select_peripheral(PB(16), PERIPH_A, 0); /* TF */ + if (flags & ATMEL_SSC_RF) + select_peripheral(PB(17), PERIPH_A, 0); /* RF */ + if (flags & ATMEL_SSC_RK) + select_peripheral(PB(18), PERIPH_A, 0); /* RK */ + break; + default: + return NULL; + } + + platform_device_register(pdev); + return pdev; +} + +/* -------------------------------------------------------------------- * GCLK * -------------------------------------------------------------------- */ static struct clk gclk0 = { @@ -1066,7 +1221,7 @@ struct clk *at32_clock_list[] = { &hsb_clk, &pba_clk, &pbb_clk, - &at32_sm_pclk, + &at32_pm_pclk, &at32_intc0_pclk, &hmatrix_clk, &ebi_clk, @@ -1094,6 +1249,9 @@ struct clk *at32_clock_list[] = { &atmel_spi1_spi_clk, &atmel_lcdfb0_hck1, &atmel_lcdfb0_pixclk, + &ssc0_pclk, + &ssc1_pclk, + &ssc2_pclk, &gclk0, &gclk1, &gclk2, @@ -1113,18 +1271,20 @@ void __init at32_portmux_init(void) void __init at32_clock_init(void) { - struct at32_sm *sm = &system_manager; u32 cpu_mask = 0, hsb_mask = 0, pba_mask = 0, pbb_mask = 0; int i; - if (sm_readl(sm, PM_MCCTRL) & SM_BIT(PLLSEL)) + if (pm_readl(MCCTRL) & PM_BIT(PLLSEL)) { main_clock = &pll0; - else + cpu_clk.parent = &pll0; + } else { main_clock = &osc0; + cpu_clk.parent = &osc0; + } - if (sm_readl(sm, PM_PLL0) & SM_BIT(PLLOSC)) + if (pm_readl(PLL0) & PM_BIT(PLLOSC)) pll0.parent = &osc1; - if (sm_readl(sm, PM_PLL1) & SM_BIT(PLLOSC)) + if (pm_readl(PLL1) & PM_BIT(PLLOSC)) pll1.parent = &osc1; genclk_init_parent(&gclk0); @@ -1157,8 +1317,8 @@ void __init at32_clock_init(void) pbb_mask |= 1 << clk->index; } - sm_writel(sm, PM_CPU_MASK, cpu_mask); - sm_writel(sm, PM_HSB_MASK, hsb_mask); - sm_writel(sm, PM_PBA_MASK, pba_mask); - sm_writel(sm, PM_PBB_MASK, pbb_mask); + pm_writel(CPU_MASK, cpu_mask); + pm_writel(HSB_MASK, hsb_mask); + pm_writel(PBA_MASK, pba_mask); + pm_writel(PBB_MASK, pbb_mask); } diff --git a/arch/avr32/mach-at32ap/cpufreq.c b/arch/avr32/mach-at32ap/cpufreq.c new file mode 100644 index 000000000000..235524b79193 --- /dev/null +++ b/arch/avr32/mach-at32ap/cpufreq.c @@ -0,0 +1,112 @@ +/* + * Copyright (C) 2004-2007 Atmel Corporation + * + * Based on MIPS implementation arch/mips/kernel/time.c + * Copyright 2001 MontaVista Software Inc. + * + * 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. + */ + +/*#define DEBUG*/ + +#include <linux/kernel.h> +#include <linux/types.h> +#include <linux/init.h> +#include <linux/cpufreq.h> +#include <linux/io.h> +#include <linux/clk.h> +#include <linux/err.h> +#include <asm/system.h> + +static struct clk *cpuclk; + +static int at32_verify_speed(struct cpufreq_policy *policy) +{ + if (policy->cpu != 0) + return -EINVAL; + + cpufreq_verify_within_limits(policy, policy->cpuinfo.min_freq, + policy->cpuinfo.max_freq); + return 0; +} + +static unsigned int at32_get_speed(unsigned int cpu) +{ + /* No SMP support */ + if (cpu) + return 0; + return (unsigned int)((clk_get_rate(cpuclk) + 500) / 1000); +} + +static int at32_set_target(struct cpufreq_policy *policy, + unsigned int target_freq, + unsigned int relation) +{ + struct cpufreq_freqs freqs; + long freq; + + /* Convert target_freq from kHz to Hz */ + freq = clk_round_rate(cpuclk, target_freq * 1000); + + /* Check if policy->min <= new_freq <= policy->max */ + if(freq < (policy->min * 1000) || freq > (policy->max * 1000)) + return -EINVAL; + + pr_debug("cpufreq: requested frequency %u Hz\n", target_freq * 1000); + + freqs.old = at32_get_speed(0); + freqs.new = (freq + 500) / 1000; + freqs.cpu = 0; + freqs.flags = 0; + + cpufreq_notify_transition(&freqs, CPUFREQ_PRECHANGE); + clk_set_rate(cpuclk, freq); + cpufreq_notify_transition(&freqs, CPUFREQ_POSTCHANGE); + + pr_debug("cpufreq: set frequency %lu Hz\n", freq); + + return 0; +} + +static int __init at32_cpufreq_driver_init(struct cpufreq_policy *policy) +{ + if (policy->cpu != 0) + return -EINVAL; + + cpuclk = clk_get(NULL, "cpu"); + if (IS_ERR(cpuclk)) { + pr_debug("cpufreq: could not get CPU clk\n"); + return PTR_ERR(cpuclk); + } + + policy->cpuinfo.min_freq = (clk_round_rate(cpuclk, 1) + 500) / 1000; + policy->cpuinfo.max_freq = (clk_round_rate(cpuclk, ~0UL) + 500) / 1000; + policy->cpuinfo.transition_latency = 0; + policy->cur = at32_get_speed(0); + policy->min = policy->cpuinfo.min_freq; + policy->max = policy->cpuinfo.max_freq; + policy->governor = CPUFREQ_DEFAULT_GOVERNOR; + + printk("cpufreq: AT32AP CPU frequency driver\n"); + + return 0; +} + +static struct cpufreq_driver at32_driver = { + .name = "at32ap", + .owner = THIS_MODULE, + .init = at32_cpufreq_driver_init, + .verify = at32_verify_speed, + .target = at32_set_target, + .get = at32_get_speed, + .flags = CPUFREQ_STICKY, +}; + +static int __init at32_cpufreq_init(void) +{ + return cpufreq_register_driver(&at32_driver); +} + +arch_initcall(at32_cpufreq_init); diff --git a/arch/avr32/mach-at32ap/extint.c b/arch/avr32/mach-at32ap/extint.c index 4a60eccfebd2..8acd01090031 100644 --- a/arch/avr32/mach-at32ap/extint.c +++ b/arch/avr32/mach-at32ap/extint.c @@ -17,42 +17,83 @@ #include <asm/io.h> -#include <asm/arch/sm.h> - -#include "sm.h" +/* EIC register offsets */ +#define EIC_IER 0x0000 +#define EIC_IDR 0x0004 +#define EIC_IMR 0x0008 +#define EIC_ISR 0x000c +#define EIC_ICR 0x0010 +#define EIC_MODE 0x0014 +#define EIC_EDGE 0x0018 +#define EIC_LEVEL 0x001c +#define EIC_TEST 0x0020 +#define EIC_NMIC 0x0024 + +/* Bitfields in TEST */ +#define EIC_TESTEN_OFFSET 31 +#define EIC_TESTEN_SIZE 1 + +/* Bitfields in NMIC */ +#define EIC_EN_OFFSET 0 +#define EIC_EN_SIZE 1 + +/* Bit manipulation macros */ +#define EIC_BIT(name) \ + (1 << EIC_##name##_OFFSET) +#define EIC_BF(name,value) \ + (((value) & ((1 << EIC_##name##_SIZE) - 1)) \ + << EIC_##name##_OFFSET) +#define EIC_BFEXT(name,value) \ + (((value) >> EIC_##name##_OFFSET) \ + & ((1 << EIC_##name##_SIZE) - 1)) +#define EIC_BFINS(name,value,old) \ + (((old) & ~(((1 << EIC_##name##_SIZE) - 1) \ + << EIC_##name##_OFFSET)) \ + | EIC_BF(name,value)) + +/* Register access macros */ +#define eic_readl(port,reg) \ + __raw_readl((port)->regs + EIC_##reg) +#define eic_writel(port,reg,value) \ + __raw_writel((value), (port)->regs + EIC_##reg) + +struct eic { + void __iomem *regs; + struct irq_chip *chip; + unsigned int first_irq; +}; -static void eim_ack_irq(unsigned int irq) +static void eic_ack_irq(unsigned int irq) { - struct at32_sm *sm = get_irq_chip_data(irq); - sm_writel(sm, EIM_ICR, 1 << (irq - sm->eim_first_irq)); + struct eic *eic = get_irq_chip_data(irq); + eic_writel(eic, ICR, 1 << (irq - eic->first_irq)); } -static void eim_mask_irq(unsigned int irq) +static void eic_mask_irq(unsigned int irq) { - struct at32_sm *sm = get_irq_chip_data(irq); - sm_writel(sm, EIM_IDR, 1 << (irq - sm->eim_first_irq)); + struct eic *eic = get_irq_chip_data(irq); + eic_writel(eic, IDR, 1 << (irq - eic->first_irq)); } -static void eim_mask_ack_irq(unsigned int irq) +static void eic_mask_ack_irq(unsigned int irq) { - struct at32_sm *sm = get_irq_chip_data(irq); - sm_writel(sm, EIM_ICR, 1 << (irq - sm->eim_first_irq)); - sm_writel(sm, EIM_IDR, 1 << (irq - sm->eim_first_irq)); + struct eic *eic = get_irq_chip_data(irq); + eic_writel(eic, ICR, 1 << (irq - eic->first_irq)); + eic_writel(eic, IDR, 1 << (irq - eic->first_irq)); } -static void eim_unmask_irq(unsigned int irq) +static void eic_unmask_irq(unsigned int irq) { - struct at32_sm *sm = get_irq_chip_data(irq); - sm_writel(sm, EIM_IER, 1 << (irq - sm->eim_first_irq)); + struct eic *eic = get_irq_chip_data(irq); + eic_writel(eic, IER, 1 << (irq - eic->first_irq)); } -static int eim_set_irq_type(unsigned int irq, unsigned int flow_type) +static int eic_set_irq_type(unsigned int irq, unsigned int flow_type) { - struct at32_sm *sm = get_irq_chip_data(irq); + struct eic *eic = get_irq_chip_data(irq); struct irq_desc *desc; - unsigned int i = irq - sm->eim_first_irq; + unsigned int i = irq - eic->first_irq; u32 mode, edge, level; - unsigned long flags; int ret = 0; flow_type &= IRQ_TYPE_SENSE_MASK; @@ -60,11 +101,10 @@ static int eim_set_irq_type(unsigned int irq, unsigned int flow_type) flow_type = IRQ_TYPE_LEVEL_LOW; desc = &irq_desc[irq]; - spin_lock_irqsave(&sm->lock, flags); - mode = sm_readl(sm, EIM_MODE); - edge = sm_readl(sm, EIM_EDGE); - level = sm_readl(sm, EIM_LEVEL); + mode = eic_readl(eic, MODE); + edge = eic_readl(eic, EDGE); + level = eic_readl(eic, LEVEL); switch (flow_type) { case IRQ_TYPE_LEVEL_LOW: @@ -89,9 +129,9 @@ static int eim_set_irq_type(unsigned int irq, unsigned int flow_type) } if (ret == 0) { - sm_writel(sm, EIM_MODE, mode); - sm_writel(sm, EIM_EDGE, edge); - sm_writel(sm, EIM_LEVEL, level); + eic_writel(eic, MODE, mode); + eic_writel(eic, EDGE, edge); + eic_writel(eic, LEVEL, level); if (flow_type & (IRQ_TYPE_LEVEL_LOW | IRQ_TYPE_LEVEL_HIGH)) flow_type |= IRQ_LEVEL; @@ -99,35 +139,33 @@ static int eim_set_irq_type(unsigned int irq, unsigned int flow_type) desc->status |= flow_type; } - spin_unlock_irqrestore(&sm->lock, flags); - return ret; } -struct irq_chip eim_chip = { - .name = "eim", - .ack = eim_ack_irq, - .mask = eim_mask_irq, - .mask_ack = eim_mask_ack_irq, - .unmask = eim_unmask_irq, - .set_type = eim_set_irq_type, +struct irq_chip eic_chip = { + .name = "eic", + .ack = eic_ack_irq, + .mask = eic_mask_irq, + .mask_ack = eic_mask_ack_irq, + .unmask = eic_unmask_irq, + .set_type = eic_set_irq_type, }; -static void demux_eim_irq(unsigned int irq, struct irq_desc *desc) +static void demux_eic_irq(unsigned int irq, struct irq_desc *desc) { - struct at32_sm *sm = desc->handler_data; + struct eic *eic = desc->handler_data; struct irq_desc *ext_desc; unsigned long status, pending; unsigned int i, ext_irq; - status = sm_readl(sm, EIM_ISR); - pending = status & sm_readl(sm, EIM_IMR); + status = eic_readl(eic, ISR); + pending = status & eic_readl(eic, IMR); while (pending) { i = fls(pending) - 1; pending &= ~(1 << i); - ext_irq = i + sm->eim_first_irq; + ext_irq = i + eic->first_irq; ext_desc = irq_desc + ext_irq; if (ext_desc->status & IRQ_LEVEL) handle_level_irq(ext_irq, ext_desc); @@ -136,51 +174,85 @@ static void demux_eim_irq(unsigned int irq, struct irq_desc *desc) } } -static int __init eim_init(void) +static int __init eic_probe(struct platform_device *pdev) { - struct at32_sm *sm = &system_manager; + struct eic *eic; + struct resource *regs; unsigned int i; unsigned int nr_irqs; unsigned int int_irq; + int ret; u32 pattern; - /* - * The EIM is really the same module as SM, so register - * mapping, etc. has been taken care of already. - */ + regs = platform_get_resource(pdev, IORESOURCE_MEM, 0); + int_irq = platform_get_irq(pdev, 0); + if (!regs || !int_irq) { + dev_dbg(&pdev->dev, "missing regs and/or irq resource\n"); + return -ENXIO; + } + + ret = -ENOMEM; + eic = kzalloc(sizeof(struct eic), GFP_KERNEL); + if (!eic) { + dev_dbg(&pdev->dev, "no memory for eic structure\n"); + goto err_kzalloc; + } + + eic->first_irq = EIM_IRQ_BASE + 32 * pdev->id; + eic->regs = ioremap(regs->start, regs->end - regs->start + 1); + if (!eic->regs) { + dev_dbg(&pdev->dev, "failed to map regs\n"); + goto err_ioremap; + } /* * Find out how many interrupt lines that are actually * implemented in hardware. */ - sm_writel(sm, EIM_IDR, ~0UL); - sm_writel(sm, EIM_MODE, ~0UL); - pattern = sm_readl(sm, EIM_MODE); + eic_writel(eic, IDR, ~0UL); + eic_writel(eic, MODE, ~0UL); + pattern = eic_readl(eic, MODE); nr_irqs = fls(pattern); /* Trigger on falling edge unless overridden by driver */ - sm_writel(sm, EIM_MODE, 0UL); - sm_writel(sm, EIM_EDGE, 0UL); + eic_writel(eic, MODE, 0UL); + eic_writel(eic, EDGE, 0UL); - sm->eim_chip = &eim_chip; + eic->chip = &eic_chip; for (i = 0; i < nr_irqs; i++) { /* NOTE the handler we set here is ignored by the demux */ - set_irq_chip_and_handler(sm->eim_first_irq + i, &eim_chip, + set_irq_chip_and_handler(eic->first_irq + i, &eic_chip, handle_level_irq); - set_irq_chip_data(sm->eim_first_irq + i, sm); + set_irq_chip_data(eic->first_irq + i, eic); } - int_irq = platform_get_irq_byname(sm->pdev, "eim"); - - set_irq_chained_handler(int_irq, demux_eim_irq); - set_irq_data(int_irq, sm); + set_irq_chained_handler(int_irq, demux_eic_irq); + set_irq_data(int_irq, eic); - printk("EIM: External Interrupt Module at 0x%p, IRQ %u\n", - sm->regs, int_irq); - printk("EIM: Handling %u external IRQs, starting with IRQ %u\n", - nr_irqs, sm->eim_first_irq); + dev_info(&pdev->dev, + "External Interrupt Controller at 0x%p, IRQ %u\n", + eic->regs, int_irq); + dev_info(&pdev->dev, + "Handling %u external IRQs, starting with IRQ %u\n", + nr_irqs, eic->first_irq); return 0; + +err_ioremap: + kfree(eic); +err_kzalloc: + return ret; +} + +static struct platform_driver eic_driver = { + .driver = { + .name = "at32_eic", + }, +}; + +static int __init eic_init(void) +{ + return platform_driver_probe(&eic_driver, eic_probe); } -arch_initcall(eim_init); +arch_initcall(eic_init); diff --git a/arch/avr32/mach-at32ap/pm.h b/arch/avr32/mach-at32ap/pm.h new file mode 100644 index 000000000000..a1f8aced0a8c --- /dev/null +++ b/arch/avr32/mach-at32ap/pm.h @@ -0,0 +1,112 @@ +/* + * Register definitions for the Power Manager (PM) + */ +#ifndef __ARCH_AVR32_MACH_AT32AP_PM_H__ +#define __ARCH_AVR32_MACH_AT32AP_PM_H__ + +/* PM register offsets */ +#define PM_MCCTRL 0x0000 +#define PM_CKSEL 0x0004 +#define PM_CPU_MASK 0x0008 +#define PM_HSB_MASK 0x000c +#define PM_PBA_MASK 0x0010 +#define PM_PBB_MASK 0x0014 +#define PM_PLL0 0x0020 +#define PM_PLL1 0x0024 +#define PM_IER 0x0040 +#define PM_IDR 0x0044 +#define PM_IMR 0x0048 +#define PM_ISR 0x004c +#define PM_ICR 0x0050 +#define PM_GCCTRL(x) (0x0060 + 4 * (x)) +#define PM_RCAUSE 0x00c0 + +/* Bitfields in CKSEL */ +#define PM_CPUSEL_OFFSET 0 +#define PM_CPUSEL_SIZE 3 +#define PM_CPUDIV_OFFSET 7 +#define PM_CPUDIV_SIZE 1 +#define PM_HSBSEL_OFFSET 8 +#define PM_HSBSEL_SIZE 3 +#define PM_HSBDIV_OFFSET 15 +#define PM_HSBDIV_SIZE 1 +#define PM_PBASEL_OFFSET 16 +#define PM_PBASEL_SIZE 3 +#define PM_PBADIV_OFFSET 23 +#define PM_PBADIV_SIZE 1 +#define PM_PBBSEL_OFFSET 24 +#define PM_PBBSEL_SIZE 3 +#define PM_PBBDIV_OFFSET 31 +#define PM_PBBDIV_SIZE 1 + +/* Bitfields in PLL0 */ +#define PM_PLLEN_OFFSET 0 +#define PM_PLLEN_SIZE 1 +#define PM_PLLOSC_OFFSET 1 +#define PM_PLLOSC_SIZE 1 +#define PM_PLLOPT_OFFSET 2 +#define PM_PLLOPT_SIZE 3 +#define PM_PLLDIV_OFFSET 8 +#define PM_PLLDIV_SIZE 8 +#define PM_PLLMUL_OFFSET 16 +#define PM_PLLMUL_SIZE 8 +#define PM_PLLCOUNT_OFFSET 24 +#define PM_PLLCOUNT_SIZE 6 +#define PM_PLLTEST_OFFSET 31 +#define PM_PLLTEST_SIZE 1 + +/* Bitfields in ICR */ +#define PM_LOCK0_OFFSET 0 +#define PM_LOCK0_SIZE 1 +#define PM_LOCK1_OFFSET 1 +#define PM_LOCK1_SIZE 1 +#define PM_WAKE_OFFSET 2 +#define PM_WAKE_SIZE 1 +#define PM_CKRDY_OFFSET 5 +#define PM_CKRDY_SIZE 1 +#define PM_MSKRDY_OFFSET 6 +#define PM_MSKRDY_SIZE 1 + +/* Bitfields in GCCTRL0 */ +#define PM_OSCSEL_OFFSET 0 +#define PM_OSCSEL_SIZE 1 +#define PM_PLLSEL_OFFSET 1 +#define PM_PLLSEL_SIZE 1 +#define PM_CEN_OFFSET 2 +#define PM_CEN_SIZE 1 +#define PM_DIVEN_OFFSET 4 +#define PM_DIVEN_SIZE 1 +#define PM_DIV_OFFSET 8 +#define PM_DIV_SIZE 8 + +/* Bitfields in RCAUSE */ +#define PM_POR_OFFSET 0 +#define PM_POR_SIZE 1 +#define PM_EXT_OFFSET 2 +#define PM_EXT_SIZE 1 +#define PM_WDT_OFFSET 3 +#define PM_WDT_SIZE 1 +#define PM_NTAE_OFFSET 4 +#define PM_NTAE_SIZE 1 + +/* Bit manipulation macros */ +#define PM_BIT(name) \ + (1 << PM_##name##_OFFSET) +#define PM_BF(name,value) \ + (((value) & ((1 << PM_##name##_SIZE) - 1)) \ + << PM_##name##_OFFSET) +#define PM_BFEXT(name,value) \ + (((value) >> PM_##name##_OFFSET) \ + & ((1 << PM_##name##_SIZE) - 1)) +#define PM_BFINS(name,value,old)\ + (((old) & ~(((1 << PM_##name##_SIZE) - 1) \ + << PM_##name##_OFFSET)) \ + | PM_BF(name,value)) + +/* Register access macros */ +#define pm_readl(reg) \ + __raw_readl((void __iomem *)AT32_PM_BASE + PM_##reg) +#define pm_writel(reg,value) \ + __raw_writel((value), (void __iomem *)AT32_PM_BASE + PM_##reg) + +#endif /* __ARCH_AVR32_MACH_AT32AP_PM_H__ */ diff --git a/arch/avr32/mach-at32ap/sm.h b/arch/avr32/mach-at32ap/sm.h deleted file mode 100644 index cad02b512bcb..000000000000 --- a/arch/avr32/mach-at32ap/sm.h +++ /dev/null @@ -1,242 +0,0 @@ -/* - * Register definitions for SM - * - * System Manager - */ -#ifndef __ASM_AVR32_SM_H__ -#define __ASM_AVR32_SM_H__ - -/* SM register offsets */ -#define SM_PM_MCCTRL 0x0000 -#define SM_PM_CKSEL 0x0004 -#define SM_PM_CPU_MASK 0x0008 -#define SM_PM_HSB_MASK 0x000c -#define SM_PM_PBA_MASK 0x0010 -#define SM_PM_PBB_MASK 0x0014 -#define SM_PM_PLL0 0x0020 -#define SM_PM_PLL1 0x0024 -#define SM_PM_VCTRL 0x0030 -#define SM_PM_VMREF 0x0034 -#define SM_PM_VMV 0x0038 -#define SM_PM_IER 0x0040 -#define SM_PM_IDR 0x0044 -#define SM_PM_IMR 0x0048 -#define SM_PM_ISR 0x004c -#define SM_PM_ICR 0x0050 -#define SM_PM_GCCTRL 0x0060 -#define SM_RTC_CTRL 0x0080 -#define SM_RTC_VAL 0x0084 -#define SM_RTC_TOP 0x0088 -#define SM_RTC_IER 0x0090 -#define SM_RTC_IDR 0x0094 -#define SM_RTC_IMR 0x0098 -#define SM_RTC_ISR 0x009c -#define SM_RTC_ICR 0x00a0 -#define SM_WDT_CTRL 0x00b0 -#define SM_WDT_CLR 0x00b4 -#define SM_WDT_EXT 0x00b8 -#define SM_RC_RCAUSE 0x00c0 -#define SM_EIM_IER 0x0100 -#define SM_EIM_IDR 0x0104 -#define SM_EIM_IMR 0x0108 -#define SM_EIM_ISR 0x010c -#define SM_EIM_ICR 0x0110 -#define SM_EIM_MODE 0x0114 -#define SM_EIM_EDGE 0x0118 -#define SM_EIM_LEVEL 0x011c -#define SM_EIM_TEST 0x0120 -#define SM_EIM_NMIC 0x0124 - -/* Bitfields in PM_MCCTRL */ - -/* Bitfields in PM_CKSEL */ -#define SM_CPUSEL_OFFSET 0 -#define SM_CPUSEL_SIZE 3 -#define SM_CPUDIV_OFFSET 7 -#define SM_CPUDIV_SIZE 1 -#define SM_HSBSEL_OFFSET 8 -#define SM_HSBSEL_SIZE 3 -#define SM_HSBDIV_OFFSET 15 -#define SM_HSBDIV_SIZE 1 -#define SM_PBASEL_OFFSET 16 -#define SM_PBASEL_SIZE 3 -#define SM_PBADIV_OFFSET 23 -#define SM_PBADIV_SIZE 1 -#define SM_PBBSEL_OFFSET 24 -#define SM_PBBSEL_SIZE 3 -#define SM_PBBDIV_OFFSET 31 -#define SM_PBBDIV_SIZE 1 - -/* Bitfields in PM_CPU_MASK */ - -/* Bitfields in PM_HSB_MASK */ - -/* Bitfields in PM_PBA_MASK */ - -/* Bitfields in PM_PBB_MASK */ - -/* Bitfields in PM_PLL0 */ -#define SM_PLLEN_OFFSET 0 -#define SM_PLLEN_SIZE 1 -#define SM_PLLOSC_OFFSET 1 -#define SM_PLLOSC_SIZE 1 -#define SM_PLLOPT_OFFSET 2 -#define SM_PLLOPT_SIZE 3 -#define SM_PLLDIV_OFFSET 8 -#define SM_PLLDIV_SIZE 8 -#define SM_PLLMUL_OFFSET 16 -#define SM_PLLMUL_SIZE 8 -#define SM_PLLCOUNT_OFFSET 24 -#define SM_PLLCOUNT_SIZE 6 -#define SM_PLLTEST_OFFSET 31 -#define SM_PLLTEST_SIZE 1 - -/* Bitfields in PM_PLL1 */ - -/* Bitfields in PM_VCTRL */ -#define SM_VAUTO_OFFSET 0 -#define SM_VAUTO_SIZE 1 -#define SM_PM_VCTRL_VAL_OFFSET 8 -#define SM_PM_VCTRL_VAL_SIZE 7 - -/* Bitfields in PM_VMREF */ -#define SM_REFSEL_OFFSET 0 -#define SM_REFSEL_SIZE 4 - -/* Bitfields in PM_VMV */ -#define SM_PM_VMV_VAL_OFFSET 0 -#define SM_PM_VMV_VAL_SIZE 8 - -/* Bitfields in PM_IER */ - -/* Bitfields in PM_IDR */ - -/* Bitfields in PM_IMR */ - -/* Bitfields in PM_ISR */ - -/* Bitfields in PM_ICR */ -#define SM_LOCK0_OFFSET 0 -#define SM_LOCK0_SIZE 1 -#define SM_LOCK1_OFFSET 1 -#define SM_LOCK1_SIZE 1 -#define SM_WAKE_OFFSET 2 -#define SM_WAKE_SIZE 1 -#define SM_VOK_OFFSET 3 -#define SM_VOK_SIZE 1 -#define SM_VMRDY_OFFSET 4 -#define SM_VMRDY_SIZE 1 -#define SM_CKRDY_OFFSET 5 -#define SM_CKRDY_SIZE 1 - -/* Bitfields in PM_GCCTRL */ -#define SM_OSCSEL_OFFSET 0 -#define SM_OSCSEL_SIZE 1 -#define SM_PLLSEL_OFFSET 1 -#define SM_PLLSEL_SIZE 1 -#define SM_CEN_OFFSET 2 -#define SM_CEN_SIZE 1 -#define SM_CPC_OFFSET 3 -#define SM_CPC_SIZE 1 -#define SM_DIVEN_OFFSET 4 -#define SM_DIVEN_SIZE 1 -#define SM_DIV_OFFSET 8 -#define SM_DIV_SIZE 8 - -/* Bitfields in RTC_CTRL */ -#define SM_PCLR_OFFSET 1 -#define SM_PCLR_SIZE 1 -#define SM_TOPEN_OFFSET 2 -#define SM_TOPEN_SIZE 1 -#define SM_CLKEN_OFFSET 3 -#define SM_CLKEN_SIZE 1 -#define SM_PSEL_OFFSET 8 -#define SM_PSEL_SIZE 16 - -/* Bitfields in RTC_VAL */ -#define SM_RTC_VAL_VAL_OFFSET 0 -#define SM_RTC_VAL_VAL_SIZE 31 - -/* Bitfields in RTC_TOP */ -#define SM_RTC_TOP_VAL_OFFSET 0 -#define SM_RTC_TOP_VAL_SIZE 32 - -/* Bitfields in RTC_IER */ - -/* Bitfields in RTC_IDR */ - -/* Bitfields in RTC_IMR */ - -/* Bitfields in RTC_ISR */ - -/* Bitfields in RTC_ICR */ -#define SM_TOPI_OFFSET 0 -#define SM_TOPI_SIZE 1 - -/* Bitfields in WDT_CTRL */ -#define SM_KEY_OFFSET 24 -#define SM_KEY_SIZE 8 - -/* Bitfields in WDT_CLR */ - -/* Bitfields in WDT_EXT */ - -/* Bitfields in RC_RCAUSE */ -#define SM_POR_OFFSET 0 -#define SM_POR_SIZE 1 -#define SM_BOD_OFFSET 1 -#define SM_BOD_SIZE 1 -#define SM_EXT_OFFSET 2 -#define SM_EXT_SIZE 1 -#define SM_WDT_OFFSET 3 -#define SM_WDT_SIZE 1 -#define SM_NTAE_OFFSET 4 -#define SM_NTAE_SIZE 1 -#define SM_SERP_OFFSET 5 -#define SM_SERP_SIZE 1 - -/* Bitfields in EIM_IER */ - -/* Bitfields in EIM_IDR */ - -/* Bitfields in EIM_IMR */ - -/* Bitfields in EIM_ISR */ - -/* Bitfields in EIM_ICR */ - -/* Bitfields in EIM_MODE */ - -/* Bitfields in EIM_EDGE */ -#define SM_INT0_OFFSET 0 -#define SM_INT0_SIZE 1 -#define SM_INT1_OFFSET 1 -#define SM_INT1_SIZE 1 -#define SM_INT2_OFFSET 2 -#define SM_INT2_SIZE 1 -#define SM_INT3_OFFSET 3 -#define SM_INT3_SIZE 1 - -/* Bitfields in EIM_LEVEL */ - -/* Bitfields in EIM_TEST */ -#define SM_TESTEN_OFFSET 31 -#define SM_TESTEN_SIZE 1 - -/* Bitfields in EIM_NMIC */ -#define SM_EN_OFFSET 0 -#define SM_EN_SIZE 1 - -/* Bit manipulation macros */ -#define SM_BIT(name) (1 << SM_##name##_OFFSET) -#define SM_BF(name,value) (((value) & ((1 << SM_##name##_SIZE) - 1)) << SM_##name##_OFFSET) -#define SM_BFEXT(name,value) (((value) >> SM_##name##_OFFSET) & ((1 << SM_##name##_SIZE) - 1)) -#define SM_BFINS(name,value,old) (((old) & ~(((1 << SM_##name##_SIZE) - 1) << SM_##name##_OFFSET)) | SM_BF(name,value)) - -/* Register access macros */ -#define sm_readl(port,reg) \ - __raw_readl((port)->regs + SM_##reg) -#define sm_writel(port,reg,value) \ - __raw_writel((value), (port)->regs + SM_##reg) - -#endif /* __ASM_AVR32_SM_H__ */ diff --git a/include/asm-avr32/arch-at32ap/board.h b/include/asm-avr32/arch-at32ap/board.h index 974480438849..0215965dc586 100644 --- a/include/asm-avr32/arch-at32ap/board.h +++ b/include/asm-avr32/arch-at32ap/board.h @@ -36,4 +36,18 @@ struct platform_device * at32_add_device_lcdc(unsigned int id, struct atmel_lcdfb_info *data, unsigned long fbmem_start, unsigned long fbmem_len); +/* depending on what's hooked up, not all SSC pins will be used */ +#define ATMEL_SSC_TK 0x01 +#define ATMEL_SSC_TF 0x02 +#define ATMEL_SSC_TD 0x04 +#define ATMEL_SSC_TX (ATMEL_SSC_TK | ATMEL_SSC_TF | ATMEL_SSC_TD) + +#define ATMEL_SSC_RK 0x10 +#define ATMEL_SSC_RF 0x20 +#define ATMEL_SSC_RD 0x40 +#define ATMEL_SSC_RX (ATMEL_SSC_RK | ATMEL_SSC_RF | ATMEL_SSC_RD) + +struct platform_device * +at32_add_device_ssc(unsigned int id, unsigned int flags); + #endif /* __ASM_ARCH_BOARD_H */ diff --git a/include/asm-avr32/arch-at32ap/sm.h b/include/asm-avr32/arch-at32ap/sm.h deleted file mode 100644 index 265a9ead20bf..000000000000 --- a/include/asm-avr32/arch-at32ap/sm.h +++ /dev/null @@ -1,27 +0,0 @@ -/* - * AT32 System Manager interface. - * - * Copyright (C) 2006 Atmel Corporation - * - * 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. - */ -#ifndef __ASM_AVR32_AT32_SM_H__ -#define __ASM_AVR32_AT32_SM_H__ - -struct irq_chip; -struct platform_device; - -struct at32_sm { - spinlock_t lock; - void __iomem *regs; - struct irq_chip *eim_chip; - unsigned int eim_first_irq; - struct platform_device *pdev; -}; - -extern struct platform_device at32_sm_device; -extern struct at32_sm system_manager; - -#endif /* __ASM_AVR32_AT32_SM_H__ */ diff --git a/include/asm-avr32/atomic.h b/include/asm-avr32/atomic.h index b9c2548a52f3..7ef3862a73d0 100644 --- a/include/asm-avr32/atomic.h +++ b/include/asm-avr32/atomic.h @@ -101,7 +101,7 @@ static inline int atomic_sub_unless(atomic_t *v, int a, int u) " mov %1, 1\n" "1:" : "=&r"(tmp), "=&r"(result), "=o"(v->counter) - : "m"(v->counter), "rKs21"(a), "rKs21"(u) + : "m"(v->counter), "rKs21"(a), "rKs21"(u), "1"(result) : "cc", "memory"); return result; @@ -137,7 +137,7 @@ static inline int atomic_add_unless(atomic_t *v, int a, int u) " mov %1, 1\n" "1:" : "=&r"(tmp), "=&r"(result), "=o"(v->counter) - : "m"(v->counter), "r"(a), "ir"(u) + : "m"(v->counter), "r"(a), "ir"(u), "1"(result) : "cc", "memory"); } diff --git a/include/asm-avr32/unaligned.h b/include/asm-avr32/unaligned.h index 3042723fcbfd..36f5fd430543 100644 --- a/include/asm-avr32/unaligned.h +++ b/include/asm-avr32/unaligned.h @@ -7,19 +7,10 @@ * words, but halfwords must be halfword-aligned, and doublewords must * be word-aligned. * - * TODO: Make all this CPU-specific and optimize. + * However, swapped word loads must be word-aligned so we can't + * optimize word loads in general. */ -#include <linux/string.h> - -/* Use memmove here, so gcc does not insert a __builtin_memcpy. */ - -#define get_unaligned(ptr) \ - ({ __typeof__(*(ptr)) __tmp; memmove(&__tmp, (ptr), sizeof(*(ptr))); __tmp; }) - -#define put_unaligned(val, ptr) \ - ({ __typeof__(*(ptr)) __tmp = (val); \ - memmove((ptr), &__tmp, sizeof(*(ptr))); \ - (void)0; }) +#include <asm-generic/unaligned.h> #endif /* __ASM_AVR32_UNALIGNED_H */ |