diff options
author | Linus Torvalds <torvalds@linux-foundation.org> | 2011-07-29 23:32:53 -0700 |
---|---|---|
committer | Linus Torvalds <torvalds@linux-foundation.org> | 2011-07-29 23:32:53 -0700 |
commit | 8f57be8ee44d92ef161c5af685aedbb717db96e0 (patch) | |
tree | d44a1cf0843390c6ff679f15e052ae1fc87680a8 /arch/arm | |
parent | cb7dee8d22f3e9320424e769d860fbd9712a0666 (diff) | |
parent | fb149f9e2835446e02e796081635520b881dc351 (diff) |
Merge branch 'at91/cleanup' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/linux-arm-soc
* 'at91/cleanup' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/linux-arm-soc:
at91: add arch specific ioremap support
at91: factorize sram init
at91: move register clocks to soc generic init
at91: move clock subsystem init to soc generic init
at91: use structure to store the current soc
at91: remove AT91_DBGU offset from dbgu register macro
at91: factorize at91 interrupts init to soc
at91: introduce commom AT91_BASE_SYS
Diffstat (limited to 'arch/arm')
58 files changed, 696 insertions, 745 deletions
diff --git a/arch/arm/mach-at91/Makefile b/arch/arm/mach-at91/Makefile index 96966231920..bf57e8b1c9d 100644 --- a/arch/arm/mach-at91/Makefile +++ b/arch/arm/mach-at91/Makefile @@ -2,7 +2,7 @@ # Makefile for the linux kernel. # -obj-y := irq.o gpio.o +obj-y := irq.o gpio.o setup.o obj-m := obj-n := obj- := diff --git a/arch/arm/mach-at91/at91cap9.c b/arch/arm/mach-at91/at91cap9.c index f1013d08bb5..bfc684441ef 100644 --- a/arch/arm/mach-at91/at91cap9.c +++ b/arch/arm/mach-at91/at91cap9.c @@ -25,23 +25,10 @@ #include <mach/at91_rstc.h> #include <mach/at91_shdwc.h> +#include "soc.h" #include "generic.h" #include "clock.h" -static struct map_desc at91cap9_io_desc[] __initdata = { - { - .virtual = AT91_VA_BASE_SYS, - .pfn = __phys_to_pfn(AT91_BASE_SYS), - .length = SZ_16K, - .type = MT_DEVICE, - }, { - .virtual = AT91_IO_VIRT_BASE - AT91CAP9_SRAM_SIZE, - .pfn = __phys_to_pfn(AT91CAP9_SRAM_BASE), - .length = AT91CAP9_SRAM_SIZE, - .type = MT_DEVICE, - }, -}; - /* -------------------------------------------------------------------- * Clocks * -------------------------------------------------------------------- */ @@ -339,24 +326,17 @@ static void at91cap9_poweroff(void) * AT91CAP9 processor initialization * -------------------------------------------------------------------- */ -void __init at91cap9_map_io(void) +static void __init at91cap9_map_io(void) { - /* Map peripherals */ - iotable_init(at91cap9_io_desc, ARRAY_SIZE(at91cap9_io_desc)); + at91_init_sram(0, AT91CAP9_SRAM_BASE, AT91CAP9_SRAM_SIZE); } -void __init at91cap9_initialize(unsigned long main_clock) +static void __init at91cap9_initialize(void) { at91_arch_reset = at91cap9_reset; pm_power_off = at91cap9_poweroff; at91_extern_irq = (1 << AT91CAP9_ID_IRQ0) | (1 << AT91CAP9_ID_IRQ1); - /* Init clock subsystem */ - at91_clock_init(main_clock); - - /* Register the processor-specific clocks */ - at91cap9_register_clocks(); - /* Register GPIO subsystem */ at91_gpio_init(at91cap9_gpio, 4); @@ -409,14 +389,9 @@ static unsigned int at91cap9_default_irq_priority[NR_AIC_IRQS] __initdata = { 0, /* Advanced Interrupt Controller (IRQ1) */ }; -void __init at91cap9_init_interrupts(unsigned int priority[NR_AIC_IRQS]) -{ - if (!priority) - priority = at91cap9_default_irq_priority; - - /* Initialize the AIC interrupt controller */ - at91_aic_init(priority); - - /* Enable GPIO interrupts */ - at91_gpio_irq_setup(); -} +struct at91_init_soc __initdata at91cap9_soc = { + .map_io = at91cap9_map_io, + .default_irq_priority = at91cap9_default_irq_priority, + .register_clocks = at91cap9_register_clocks, + .init = at91cap9_initialize, +}; diff --git a/arch/arm/mach-at91/at91rm9200.c b/arch/arm/mach-at91/at91rm9200.c index 83a1a3fee55..f73302dbc6a 100644 --- a/arch/arm/mach-at91/at91rm9200.c +++ b/arch/arm/mach-at91/at91rm9200.c @@ -20,25 +20,16 @@ #include <mach/at91_st.h> #include <mach/cpu.h> +#include "soc.h" #include "generic.h" #include "clock.h" static struct map_desc at91rm9200_io_desc[] __initdata = { { - .virtual = AT91_VA_BASE_SYS, - .pfn = __phys_to_pfn(AT91_BASE_SYS), - .length = SZ_4K, - .type = MT_DEVICE, - }, { .virtual = AT91_VA_BASE_EMAC, .pfn = __phys_to_pfn(AT91RM9200_BASE_EMAC), .length = SZ_16K, .type = MT_DEVICE, - }, { - .virtual = AT91_IO_VIRT_BASE - AT91RM9200_SRAM_SIZE, - .pfn = __phys_to_pfn(AT91RM9200_SRAM_BASE), - .length = AT91RM9200_SRAM_SIZE, - .type = MT_DEVICE, }, }; @@ -304,24 +295,17 @@ static void at91rm9200_reset(void) at91_sys_write(AT91_ST_CR, AT91_ST_WDRST); } -int rm9200_type; -EXPORT_SYMBOL(rm9200_type); - -void __init at91rm9200_set_type(int type) -{ - rm9200_type = type; -} - /* -------------------------------------------------------------------- * AT91RM9200 processor initialization * -------------------------------------------------------------------- */ -void __init at91rm9200_map_io(void) +static void __init at91rm9200_map_io(void) { /* Map peripherals */ + at91_init_sram(0, AT91RM9200_SRAM_BASE, AT91RM9200_SRAM_SIZE); iotable_init(at91rm9200_io_desc, ARRAY_SIZE(at91rm9200_io_desc)); } -void __init at91rm9200_initialize(unsigned long main_clock) +static void __init at91rm9200_initialize(void) { at91_arch_reset = at91rm9200_reset; at91_extern_irq = (1 << AT91RM9200_ID_IRQ0) | (1 << AT91RM9200_ID_IRQ1) @@ -329,12 +313,6 @@ void __init at91rm9200_initialize(unsigned long main_clock) | (1 << AT91RM9200_ID_IRQ4) | (1 << AT91RM9200_ID_IRQ5) | (1 << AT91RM9200_ID_IRQ6); - /* Init clock subsystem */ - at91_clock_init(main_clock); - - /* Register the processor-specific clocks */ - at91rm9200_register_clocks(); - /* Initialize GPIO subsystem */ at91_gpio_init(at91rm9200_gpio, cpu_is_at91rm9200_bga() ? AT91RM9200_BGA : AT91RM9200_PQFP); @@ -383,14 +361,9 @@ static unsigned int at91rm9200_default_irq_priority[NR_AIC_IRQS] __initdata = { 0 /* Advanced Interrupt Controller (IRQ6) */ }; -void __init at91rm9200_init_interrupts(unsigned int priority[NR_AIC_IRQS]) -{ - if (!priority) - priority = at91rm9200_default_irq_priority; - - /* Initialize the AIC interrupt controller */ - at91_aic_init(priority); - - /* Enable GPIO interrupts */ - at91_gpio_irq_setup(); -} +struct at91_init_soc __initdata at91rm9200_soc = { + .map_io = at91rm9200_map_io, + .default_irq_priority = at91rm9200_default_irq_priority, + .register_clocks = at91rm9200_register_clocks, + .init = at91rm9200_initialize, +}; diff --git a/arch/arm/mach-at91/at91sam9260.c b/arch/arm/mach-at91/at91sam9260.c index 7d606b04d31..cb397be1444 100644 --- a/arch/arm/mach-at91/at91sam9260.c +++ b/arch/arm/mach-at91/at91sam9260.c @@ -17,58 +17,16 @@ #include <asm/mach/arch.h> #include <asm/mach/map.h> #include <mach/cpu.h> +#include <mach/at91_dbgu.h> #include <mach/at91sam9260.h> #include <mach/at91_pmc.h> #include <mach/at91_rstc.h> #include <mach/at91_shdwc.h> +#include "soc.h" #include "generic.h" #include "clock.h" -static struct map_desc at91sam9260_io_desc[] __initdata = { - { - .virtual = AT91_VA_BASE_SYS, - .pfn = __phys_to_pfn(AT91_BASE_SYS), - .length = SZ_16K, - .type = MT_DEVICE, - } -}; - -static struct map_desc at91sam9260_sram_desc[] __initdata = { - { - .virtual = AT91_IO_VIRT_BASE - AT91SAM9260_SRAM0_SIZE, - .pfn = __phys_to_pfn(AT91SAM9260_SRAM0_BASE), - .length = AT91SAM9260_SRAM0_SIZE, - .type = MT_DEVICE, - }, { - .virtual = AT91_IO_VIRT_BASE - AT91SAM9260_SRAM0_SIZE - AT91SAM9260_SRAM1_SIZE, - .pfn = __phys_to_pfn(AT91SAM9260_SRAM1_BASE), - .length = AT91SAM9260_SRAM1_SIZE, - .type = MT_DEVICE, - } -}; - -static struct map_desc at91sam9g20_sram_desc[] __initdata = { - { - .virtual = AT91_IO_VIRT_BASE - AT91SAM9G20_SRAM0_SIZE, - .pfn = __phys_to_pfn(AT91SAM9G20_SRAM0_BASE), - .length = AT91SAM9G20_SRAM0_SIZE, - .type = MT_DEVICE, - }, { - .virtual = AT91_IO_VIRT_BASE - AT91SAM9G20_SRAM0_SIZE - AT91SAM9G20_SRAM1_SIZE, - .pfn = __phys_to_pfn(AT91SAM9G20_SRAM1_BASE), - .length = AT91SAM9G20_SRAM1_SIZE, - .type = MT_DEVICE, - } -}; - -static struct map_desc at91sam9xe_sram_desc[] __initdata = { - { - .pfn = __phys_to_pfn(AT91SAM9XE_SRAM_BASE), - .type = MT_DEVICE, - } -}; - /* -------------------------------------------------------------------- * Clocks * -------------------------------------------------------------------- */ @@ -330,11 +288,9 @@ static void at91sam9260_poweroff(void) static void __init at91sam9xe_map_io(void) { - unsigned long cidr, sram_size; - - cidr = at91_sys_read(AT91_DBGU_CIDR); + unsigned long sram_size; - switch (cidr & AT91_CIDR_SRAMSIZ) { + switch (at91_soc_initdata.cidr & AT91_CIDR_SRAMSIZ) { case AT91_CIDR_SRAMSIZ_32K: sram_size = 2 * SZ_16K; break; @@ -343,38 +299,29 @@ static void __init at91sam9xe_map_io(void) sram_size = SZ_16K; } - at91sam9xe_sram_desc->virtual = AT91_IO_VIRT_BASE - sram_size; - at91sam9xe_sram_desc->length = sram_size; - - iotable_init(at91sam9xe_sram_desc, ARRAY_SIZE(at91sam9xe_sram_desc)); + at91_init_sram(0, AT91SAM9XE_SRAM_BASE, sram_size); } -void __init at91sam9260_map_io(void) +static void __init at91sam9260_map_io(void) { - /* Map peripherals */ - iotable_init(at91sam9260_io_desc, ARRAY_SIZE(at91sam9260_io_desc)); - - if (cpu_is_at91sam9xe()) + if (cpu_is_at91sam9xe()) { at91sam9xe_map_io(); - else if (cpu_is_at91sam9g20()) - iotable_init(at91sam9g20_sram_desc, ARRAY_SIZE(at91sam9g20_sram_desc)); - else - iotable_init(at91sam9260_sram_desc, ARRAY_SIZE(at91sam9260_sram_desc)); + } else if (cpu_is_at91sam9g20()) { + at91_init_sram(0, AT91SAM9G20_SRAM0_BASE, AT91SAM9G20_SRAM0_SIZE); + at91_init_sram(1, AT91SAM9G20_SRAM1_BASE, AT91SAM9G20_SRAM1_SIZE); + } else { + at91_init_sram(0, AT91SAM9260_SRAM0_BASE, AT91SAM9260_SRAM0_SIZE); + at91_init_sram(1, AT91SAM9260_SRAM1_BASE, AT91SAM9260_SRAM1_SIZE); + } } -void __init at91sam9260_initialize(unsigned long main_clock) +static void __init at91sam9260_initialize(void) { at91_arch_reset = at91sam9_alt_reset; pm_power_off = at91sam9260_poweroff; at91_extern_irq = (1 << AT91SAM9260_ID_IRQ0) | (1 << AT91SAM9260_ID_IRQ1) | (1 << AT91SAM9260_ID_IRQ2); - /* Init clock subsystem */ - at91_clock_init(main_clock); - - /* Register the processor-specific clocks */ - at91sam9260_register_clocks(); - /* Register GPIO subsystem */ at91_gpio_init(at91sam9260_gpio, 3); } @@ -421,14 +368,9 @@ static unsigned int at91sam9260_default_irq_priority[NR_AIC_IRQS] __initdata = { 0, /* Advanced Interrupt Controller */ }; -void __init at91sam9260_init_interrupts(unsigned int priority[NR_AIC_IRQS]) -{ - if (!priority) - priority = at91sam9260_default_irq_priority; - - /* Initialize the AIC interrupt controller */ - at91_aic_init(priority); - - /* Enable GPIO interrupts */ - at91_gpio_irq_setup(); -} +struct at91_init_soc __initdata at91sam9260_soc = { + .map_io = at91sam9260_map_io, + .default_irq_priority = at91sam9260_default_irq_priority, + .register_clocks = at91sam9260_register_clocks, + .init = at91sam9260_initialize, +}; diff --git a/arch/arm/mach-at91/at91sam9261.c b/arch/arm/mach-at91/at91sam9261.c index c1483168c97..d522b47e30b 100644 --- a/arch/arm/mach-at91/at91sam9261.c +++ b/arch/arm/mach-at91/at91sam9261.c @@ -22,36 +22,10 @@ #include <mach/at91_rstc.h> #include <mach/at91_shdwc.h> +#include "soc.h" #include "generic.h" #include "clock.h" -static struct map_desc at91sam9261_io_desc[] __initdata = { - { - .virtual = AT91_VA_BASE_SYS, - .pfn = __phys_to_pfn(AT91_BASE_SYS), - .length = SZ_16K, - .type = MT_DEVICE, - }, -}; - -static struct map_desc at91sam9261_sram_desc[] __initdata = { - { - .virtual = AT91_IO_VIRT_BASE - AT91SAM9261_SRAM_SIZE, - .pfn = __phys_to_pfn(AT91SAM9261_SRAM_BASE), - .length = AT91SAM9261_SRAM_SIZE, - .type = MT_DEVICE, - }, -}; - -static struct map_desc at91sam9g10_sram_desc[] __initdata = { - { - .virtual = AT91_IO_VIRT_BASE - AT91SAM9G10_SRAM_SIZE, - .pfn = __phys_to_pfn(AT91SAM9G10_SRAM_BASE), - .length = AT91SAM9G10_SRAM_SIZE, - .type = MT_DEVICE, - }, -}; - /* -------------------------------------------------------------------- * Clocks * -------------------------------------------------------------------- */ @@ -302,30 +276,21 @@ static void at91sam9261_poweroff(void) * AT91SAM9261 processor initialization * -------------------------------------------------------------------- */ -void __init at91sam9261_map_io(void) +static void __init at91sam9261_map_io(void) { - /* Map peripherals */ - iotable_init(at91sam9261_io_desc, ARRAY_SIZE(at91sam9261_io_desc)); - if (cpu_is_at91sam9g10()) - iotable_init(at91sam9g10_sram_desc, ARRAY_SIZE(at91sam9g10_sram_desc)); + at91_init_sram(0, AT91SAM9G10_SRAM_BASE, AT91SAM9G10_SRAM_SIZE); else - iotable_init(at91sam9261_sram_desc, ARRAY_SIZE(at91sam9261_sram_desc)); + at91_init_sram(0, AT91SAM9261_SRAM_BASE, AT91SAM9261_SRAM_SIZE); } -void __init at91sam9261_initialize(unsigned long main_clock) +static void __init at91sam9261_initialize(void) { at91_arch_reset = at91sam9_alt_reset; pm_power_off = at91sam9261_poweroff; at91_extern_irq = (1 << AT91SAM9261_ID_IRQ0) | (1 << AT91SAM9261_ID_IRQ1) | (1 << AT91SAM9261_ID_IRQ2); - /* Init clock subsystem */ - at91_clock_init(main_clock); - - /* Register the processor-specific clocks */ - at91sam9261_register_clocks(); - /* Register GPIO subsystem */ at91_gpio_init(at91sam9261_gpio, 3); } @@ -372,14 +337,9 @@ static unsigned int at91sam9261_default_irq_priority[NR_AIC_IRQS] __initdata = { 0, /* Advanced Interrupt Controller */ }; -void __init at91sam9261_init_interrupts(unsigned int priority[NR_AIC_IRQS]) -{ - if (!priority) - priority = at91sam9261_default_irq_priority; - - /* Initialize the AIC interrupt controller */ - at91_aic_init(priority); - - /* Enable GPIO interrupts */ - at91_gpio_irq_setup(); -} +struct at91_init_soc __initdata at91sam9261_soc = { + .map_io = at91sam9261_map_io, + .default_irq_priority = at91sam9261_default_irq_priority, + .register_clocks = at91sam9261_register_clocks, + .init = at91sam9261_initialize, +}; diff --git a/arch/arm/mach-at91/at91sam9263.c b/arch/arm/mach-at91/at91sam9263.c index dc28477d14f..044f3c927e6 100644 --- a/arch/arm/mach-at91/at91sam9263.c +++ b/arch/arm/mach-at91/at91sam9263.c @@ -21,28 +21,10 @@ #include <mach/at91_rstc.h> #include <mach/at91_shdwc.h> +#include "soc.h" #include "generic.h" #include "clock.h" -static struct map_desc at91sam9263_io_desc[] __initdata = { - { - .virtual = AT91_VA_BASE_SYS, - .pfn = __phys_to_pfn(AT91_BASE_SYS), - .length = SZ_16K, - .type = MT_DEVICE, - }, { - .virtual = AT91_IO_VIRT_BASE - AT91SAM9263_SRAM0_SIZE, - .pfn = __phys_to_pfn(AT91SAM9263_SRAM0_BASE), - .length = AT91SAM9263_SRAM0_SIZE, - .type = MT_DEVICE, - }, { - .virtual = AT91_IO_VIRT_BASE - AT91SAM9263_SRAM0_SIZE - AT91SAM9263_SRAM1_SIZE, - .pfn = __phys_to_pfn(AT91SAM9263_SRAM1_BASE), - .length = AT91SAM9263_SRAM1_SIZE, - .type = MT_DEVICE, - }, -}; - /* -------------------------------------------------------------------- * Clocks * -------------------------------------------------------------------- */ @@ -313,24 +295,18 @@ static void at91sam9263_poweroff(void) * AT91SAM9263 processor initialization * -------------------------------------------------------------------- */ -void __init at91sam9263_map_io(void) +static void __init at91sam9263_map_io(void) { - /* Map peripherals */ - iotable_init(at91sam9263_io_desc, ARRAY_SIZE(at91sam9263_io_desc)); + at91_init_sram(0, AT91SAM9263_SRAM0_BASE, AT91SAM9263_SRAM0_SIZE); + at91_init_sram(1, AT91SAM9263_SRAM1_BASE, AT91SAM9263_SRAM1_SIZE); } -void __init at91sam9263_initialize(unsigned long main_clock) +static void __init at91sam9263_initialize(void) { at91_arch_reset = at91sam9_alt_reset; pm_power_off = at91sam9263_poweroff; at91_extern_irq = (1 << AT91SAM9263_ID_IRQ0) | (1 << AT91SAM9263_ID_IRQ1); - /* Init clock subsystem */ - at91_clock_init(main_clock); - - /* Register the processor-specific clocks */ - at91sam9263_register_clocks(); - /* Register GPIO subsystem */ at91_gpio_init(at91sam9263_gpio, 5); } @@ -377,14 +353,9 @@ static unsigned int at91sam9263_default_irq_priority[NR_AIC_IRQS] __initdata = { 0, /* Advanced Interrupt Controller (IRQ1) */ }; -void __init at91sam9263_init_interrupts(unsigned int priority[NR_AIC_IRQS]) -{ - if (!priority) - priority = at91sam9263_default_irq_priority; - - /* Initialize the AIC interrupt controller */ - at91_aic_init(priority); - - /* Enable GPIO interrupts */ - at91_gpio_irq_setup(); -} +struct at91_init_soc __initdata at91sam9263_soc = { + .map_io = at91sam9263_map_io, + .default_irq_priority = at91sam9263_default_irq_priority, + .register_clocks = at91sam9263_register_clocks, + .init = at91sam9263_initialize, +}; diff --git a/arch/arm/mach-at91/at91sam9g45.c b/arch/arm/mach-at91/at91sam9g45.c index 11e214121b2..e04c5fb6f1e 100644 --- a/arch/arm/mach-at91/at91sam9g45.c +++ b/arch/arm/mach-at91/at91sam9g45.c @@ -22,23 +22,10 @@ #include <mach/at91_shdwc.h> #include <mach/cpu.h> +#include "soc.h" #include "generic.h" #include "clock.h" -static struct map_desc at91sam9g45_io_desc[] __initdata = { - { - .virtual = AT91_VA_BASE_SYS, - .pfn = __phys_to_pfn(AT91_BASE_SYS), - .length = SZ_16K, - .type = MT_DEVICE, - }, { - .virtual = AT91_IO_VIRT_BASE - AT91SAM9G45_SRAM_SIZE, - .pfn = __phys_to_pfn(AT91SAM9G45_SRAM_BASE), - .length = AT91SAM9G45_SRAM_SIZE, - .type = MT_DEVICE, - } -}; - /* -------------------------------------------------------------------- * Clocks * -------------------------------------------------------------------- */ @@ -329,24 +316,17 @@ static void at91sam9g45_poweroff(void) * AT91SAM9G45 processor initialization * -------------------------------------------------------------------- */ -void __init at91sam9g45_map_io(void) +static void __init at91sam9g45_map_io(void) { - /* Map peripherals */ - iotable_init(at91sam9g45_io_desc, ARRAY_SIZE(at91sam9g45_io_desc)); + at91_init_sram(0, AT91SAM9G45_SRAM_BASE, AT91SAM9G45_SRAM_SIZE); } -void __init at91sam9g45_initialize(unsigned long main_clock) +static void __init at91sam9g45_initialize(void) { at91_arch_reset = at91sam9g45_reset; pm_power_off = at91sam9g45_poweroff; at91_extern_irq = (1 << AT91SAM9G45_ID_IRQ0); - /* Init clock subsystem */ - at91_clock_init(main_clock); - - /* Register the processor-specific clocks */ - at91sam9g45_register_clocks(); - /* Register GPIO subsystem */ at91_gpio_init(at91sam9g45_gpio, 5); } @@ -393,14 +373,9 @@ static unsigned int at91sam9g45_default_irq_priority[NR_AIC_IRQS] __initdata = { 0, /* Advanced Interrupt Controller (IRQ0) */ }; -void __init at91sam9g45_init_interrupts(unsigned int priority[NR_AIC_IRQS]) -{ - if (!priority) - priority = at91sam9g45_default_irq_priority; - - /* Initialize the AIC interrupt controller */ - at91_aic_init(priority); - - /* Enable GPIO interrupts */ - at91_gpio_irq_setup(); -} +struct at91_init_soc __initdata at91sam9g45_soc = { + .map_io = at91sam9g45_map_io, + .default_irq_priority = at91sam9g45_default_irq_priority, + .register_clocks = at91sam9g45_register_c |