From 80e91cb8023fbc07b2410c4ce5a2da12fbcebca4 Mon Sep 17 00:00:00 2001 From: Jean-Christophe PLAGNIOL-VILLARD Date: Fri, 16 Sep 2011 23:37:50 +0800 Subject: ARM: at91: make gpio register base soc independant Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD Acked-by: Nicolas Ferre Reviewed-by: Ryan Mallon --- arch/arm/mach-at91/generic.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'arch/arm/mach-at91/generic.h') diff --git a/arch/arm/mach-at91/generic.h b/arch/arm/mach-at91/generic.h index 938b34f57741..11d7297eee22 100644 --- a/arch/arm/mach-at91/generic.h +++ b/arch/arm/mach-at91/generic.h @@ -65,7 +65,7 @@ extern void at91sam9_alt_reset(void); struct at91_gpio_bank { unsigned short id; /* peripheral ID */ - unsigned long offset; /* offset from system peripheral base */ + unsigned long regbase; /* offset from system peripheral base */ struct clk *clock; /* associated clock */ }; extern void __init at91_gpio_init(struct at91_gpio_bank *, int nr_banks); -- cgit v1.2.3 From 4ab0c5998d327cba5b7e0dc8ce67f45859997669 Mon Sep 17 00:00:00 2001 From: Jean-Christophe PLAGNIOL-VILLARD Date: Sun, 18 Sep 2011 22:29:50 +0800 Subject: ARM: at91: make pit register base soc independent Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD Acked-by: Nicolas Ferre --- arch/arm/mach-at91/at91cap9.c | 1 + arch/arm/mach-at91/at91sam9260.c | 1 + arch/arm/mach-at91/at91sam9261.c | 1 + arch/arm/mach-at91/at91sam9263.c | 1 + arch/arm/mach-at91/at91sam926x_time.c | 38 ++++++++++++++++++++------- arch/arm/mach-at91/at91sam9g45.c | 1 + arch/arm/mach-at91/at91sam9rl.c | 1 + arch/arm/mach-at91/generic.h | 1 + arch/arm/mach-at91/include/mach/at91_pit.h | 8 +++--- arch/arm/mach-at91/include/mach/at91cap9.h | 2 +- arch/arm/mach-at91/include/mach/at91sam9260.h | 2 +- arch/arm/mach-at91/include/mach/at91sam9261.h | 2 +- arch/arm/mach-at91/include/mach/at91sam9263.h | 2 +- arch/arm/mach-at91/include/mach/at91sam9g45.h | 2 +- arch/arm/mach-at91/include/mach/at91sam9rl.h | 2 +- 15 files changed, 45 insertions(+), 20 deletions(-) (limited to 'arch/arm/mach-at91/generic.h') diff --git a/arch/arm/mach-at91/at91cap9.c b/arch/arm/mach-at91/at91cap9.c index 36872070afef..abfe36858a01 100644 --- a/arch/arm/mach-at91/at91cap9.c +++ b/arch/arm/mach-at91/at91cap9.c @@ -335,6 +335,7 @@ static void __init at91cap9_map_io(void) static void __init at91cap9_ioremap_registers(void) { + at91sam926x_ioremap_pit(AT91CAP9_BASE_PIT); } static void __init at91cap9_initialize(void) diff --git a/arch/arm/mach-at91/at91sam9260.c b/arch/arm/mach-at91/at91sam9260.c index 0e549284b127..0030d5f16ed8 100644 --- a/arch/arm/mach-at91/at91sam9260.c +++ b/arch/arm/mach-at91/at91sam9260.c @@ -327,6 +327,7 @@ static void __init at91sam9260_map_io(void) static void __init at91sam9260_ioremap_registers(void) { + at91sam926x_ioremap_pit(AT91SAM9260_BASE_PIT); } static void __init at91sam9260_initialize(void) diff --git a/arch/arm/mach-at91/at91sam9261.c b/arch/arm/mach-at91/at91sam9261.c index dde831814737..348d5ae4dee2 100644 --- a/arch/arm/mach-at91/at91sam9261.c +++ b/arch/arm/mach-at91/at91sam9261.c @@ -287,6 +287,7 @@ static void __init at91sam9261_map_io(void) static void __init at91sam9261_ioremap_registers(void) { + at91sam926x_ioremap_pit(AT91SAM9261_BASE_PIT); } static void __init at91sam9261_initialize(void) diff --git a/arch/arm/mach-at91/at91sam9263.c b/arch/arm/mach-at91/at91sam9263.c index fc442dd0753c..09ccf734c7d7 100644 --- a/arch/arm/mach-at91/at91sam9263.c +++ b/arch/arm/mach-at91/at91sam9263.c @@ -305,6 +305,7 @@ static void __init at91sam9263_map_io(void) static void __init at91sam9263_ioremap_registers(void) { + at91sam926x_ioremap_pit(AT91SAM9263_BASE_PIT); } static void __init at91sam9263_initialize(void) diff --git a/arch/arm/mach-at91/at91sam926x_time.c b/arch/arm/mach-at91/at91sam926x_time.c index 4ba85499fa97..d89ead740a99 100644 --- a/arch/arm/mach-at91/at91sam926x_time.c +++ b/arch/arm/mach-at91/at91sam926x_time.c @@ -25,7 +25,17 @@ static u32 pit_cycle; /* write-once */ static u32 pit_cnt; /* access only w/system irq blocked */ +static void __iomem *pit_base_addr __read_mostly; +static inline unsigned int pit_read(unsigned int reg_offset) +{ + return __raw_readl(pit_base_addr + reg_offset); +} + +static inline void pit_write(unsigned int reg_offset, unsigned long value) +{ + __raw_writel(value, pit_base_addr + reg_offset); +} /* * Clocksource: just a monotonic counter of MCK/16 cycles. @@ -39,7 +49,7 @@ static cycle_t read_pit_clk(struct clocksource *cs) raw_local_irq_save(flags); elapsed = pit_cnt; - t = at91_sys_read(AT91_PIT_PIIR); + t = pit_read(AT91_PIT_PIIR); raw_local_irq_restore(flags); elapsed += PIT_PICNT(t) * pit_cycle; @@ -64,8 +74,8 @@ pit_clkevt_mode(enum clock_event_mode mode, struct clock_event_device *dev) switch (mode) { case CLOCK_EVT_MODE_PERIODIC: /* update clocksource counter */ - pit_cnt += pit_cycle * PIT_PICNT(at91_sys_read(AT91_PIT_PIVR)); - at91_sys_write(AT91_PIT_MR, (pit_cycle - 1) | AT91_PIT_PITEN + pit_cnt += pit_cycle * PIT_PICNT(pit_read(AT91_PIT_PIVR)); + pit_write(AT91_PIT_MR, (pit_cycle - 1) | AT91_PIT_PITEN | AT91_PIT_PITIEN); break; case CLOCK_EVT_MODE_ONESHOT: @@ -74,7 +84,7 @@ pit_clkevt_mode(enum clock_event_mode mode, struct clock_event_device *dev) case CLOCK_EVT_MODE_SHUTDOWN: case CLOCK_EVT_MODE_UNUSED: /* disable irq, leaving the clocksource active */ - at91_sys_write(AT91_PIT_MR, (pit_cycle - 1) | AT91_PIT_PITEN); + pit_write(AT91_PIT_MR, (pit_cycle - 1) | AT91_PIT_PITEN); break; case CLOCK_EVT_MODE_RESUME: break; @@ -103,11 +113,11 @@ static irqreturn_t at91sam926x_pit_interrupt(int irq, void *dev_id) /* The PIT interrupt may be disabled, and is shared */ if ((pit_clkevt.mode == CLOCK_EVT_MODE_PERIODIC) - && (at91_sys_read(AT91_PIT_SR) & AT91_PIT_PITS)) { + && (pit_read(AT91_PIT_SR) & AT91_PIT_PITS)) { unsigned nr_ticks; /* Get number of ticks performed before irq, and ack it */ - nr_ticks = PIT_PICNT(at91_sys_read(AT91_PIT_PIVR)); + nr_ticks = PIT_PICNT(pit_read(AT91_PIT_PIVR)); do { pit_cnt += pit_cycle; pit_clkevt.event_handler(&pit_clkevt); @@ -129,14 +139,14 @@ static struct irqaction at91sam926x_pit_irq = { static void at91sam926x_pit_reset(void) { /* Disable timer and irqs */ - at91_sys_write(AT91_PIT_MR, 0); + pit_write(AT91_PIT_MR, 0); /* Clear any pending interrupts, wait for PIT to stop counting */ - while (PIT_CPIV(at91_sys_read(AT91_PIT_PIVR)) != 0) + while (PIT_CPIV(pit_read(AT91_PIT_PIVR)) != 0) cpu_relax(); /* Start PIT but don't enable IRQ */ - at91_sys_write(AT91_PIT_MR, (pit_cycle - 1) | AT91_PIT_PITEN); + pit_write(AT91_PIT_MR, (pit_cycle - 1) | AT91_PIT_PITEN); } /* @@ -178,7 +188,15 @@ static void __init at91sam926x_pit_init(void) static void at91sam926x_pit_suspend(void) { /* Disable timer */ - at91_sys_write(AT91_PIT_MR, 0); + pit_write(AT91_PIT_MR, 0); +} + +void __init at91sam926x_ioremap_pit(u32 addr) +{ + pit_base_addr = ioremap(addr, 16); + + if (!pit_base_addr) + panic("Impossible to ioremap PIT\n"); } struct sys_timer at91sam926x_timer = { diff --git a/arch/arm/mach-at91/at91sam9g45.c b/arch/arm/mach-at91/at91sam9g45.c index 56282b26a5a2..aa8b4414f3ed 100644 --- a/arch/arm/mach-at91/at91sam9g45.c +++ b/arch/arm/mach-at91/at91sam9g45.c @@ -340,6 +340,7 @@ static void __init at91sam9g45_map_io(void) static void __init at91sam9g45_ioremap_registers(void) { + at91sam926x_ioremap_pit(AT91SAM9G45_BASE_PIT); } static void __init at91sam9g45_initialize(void) diff --git a/arch/arm/mach-at91/at91sam9rl.c b/arch/arm/mach-at91/at91sam9rl.c index 29dae9b275b0..291fc9983cc3 100644 --- a/arch/arm/mach-at91/at91sam9rl.c +++ b/arch/arm/mach-at91/at91sam9rl.c @@ -292,6 +292,7 @@ static void __init at91sam9rl_map_io(void) static void __init at91sam9rl_ioremap_registers(void) { + at91sam926x_ioremap_pit(AT91SAM9RL_BASE_PIT); } static void __init at91sam9rl_initialize(void) diff --git a/arch/arm/mach-at91/generic.h b/arch/arm/mach-at91/generic.h index 11d7297eee22..8196ecc37ed2 100644 --- a/arch/arm/mach-at91/generic.h +++ b/arch/arm/mach-at91/generic.h @@ -29,6 +29,7 @@ extern void __init at91_aic_init(unsigned int priority[]); /* Timer */ struct sys_timer; extern struct sys_timer at91rm9200_timer; +extern void at91sam926x_ioremap_pit(u32 addr); extern struct sys_timer at91sam926x_timer; extern struct sys_timer at91x40_timer; diff --git a/arch/arm/mach-at91/include/mach/at91_pit.h b/arch/arm/mach-at91/include/mach/at91_pit.h index 974d0bd05b5b..d1f80ad7f4d4 100644 --- a/arch/arm/mach-at91/include/mach/at91_pit.h +++ b/arch/arm/mach-at91/include/mach/at91_pit.h @@ -16,16 +16,16 @@ #ifndef AT91_PIT_H #define AT91_PIT_H -#define AT91_PIT_MR (AT91_PIT + 0x00) /* Mode Register */ +#define AT91_PIT_MR 0x00 /* Mode Register */ #define AT91_PIT_PITIEN (1 << 25) /* Timer Interrupt Enable */ #define AT91_PIT_PITEN (1 << 24) /* Timer Enabled */ #define AT91_PIT_PIV (0xfffff) /* Periodic Interval Value */ -#define AT91_PIT_SR (AT91_PIT + 0x04) /* Status Register */ +#define AT91_PIT_SR 0x04 /* Status Register */ #define AT91_PIT_PITS (1 << 0) /* Timer Status */ -#define AT91_PIT_PIVR (AT91_PIT + 0x08) /* Periodic Interval Value Register */ -#define AT91_PIT_PIIR (AT91_PIT + 0x0c) /* Periodic Interval Image Register */ +#define AT91_PIT_PIVR 0x08 /* Periodic Interval Value Register */ +#define AT91_PIT_PIIR 0x0c /* Periodic Interval Image Register */ #define AT91_PIT_PICNT (0xfff << 20) /* Interval Counter */ #define AT91_PIT_CPIV (0xfffff) /* Inverval Value */ diff --git a/arch/arm/mach-at91/include/mach/at91cap9.h b/arch/arm/mach-at91/include/mach/at91cap9.h index 1cb42a63c822..ad8d298cf8ba 100644 --- a/arch/arm/mach-at91/include/mach/at91cap9.h +++ b/arch/arm/mach-at91/include/mach/at91cap9.h @@ -89,7 +89,6 @@ #define AT91_PMC (0xfffffc00 - AT91_BASE_SYS) #define AT91_RSTC (0xfffffd00 - AT91_BASE_SYS) #define AT91_SHDWC (0xfffffd10 - AT91_BASE_SYS) -#define AT91_PIT (0xfffffd30 - AT91_BASE_SYS) #define AT91_WDT (0xfffffd40 - AT91_BASE_SYS) #define AT91_GPBR (cpu_is_at91cap9_revB() ? \ (0xfffffd50 - AT91_BASE_SYS) : \ @@ -102,6 +101,7 @@ #define AT91CAP9_BASE_PIOC 0xfffff600 #define AT91CAP9_BASE_PIOD 0xfffff800 #define AT91CAP9_BASE_RTT 0xfffffd20 +#define AT91CAP9_BASE_PIT 0xfffffd30 #define AT91_USART0 AT91CAP9_BASE_US0 #define AT91_USART1 AT91CAP9_BASE_US1 diff --git a/arch/arm/mach-at91/include/mach/at91sam9260.h b/arch/arm/mach-at91/include/mach/at91sam9260.h index 6aa7ca979e4d..b8c85dc4abce 100644 --- a/arch/arm/mach-at91/include/mach/at91sam9260.h +++ b/arch/arm/mach-at91/include/mach/at91sam9260.h @@ -89,7 +89,6 @@ #define AT91_PMC (0xfffffc00 - AT91_BASE_SYS) #define AT91_RSTC (0xfffffd00 - AT91_BASE_SYS) #define AT91_SHDWC (0xfffffd10 - AT91_BASE_SYS) -#define AT91_PIT (0xfffffd30 - AT91_BASE_SYS) #define AT91_WDT (0xfffffd40 - AT91_BASE_SYS) #define AT91_GPBR (0xfffffd50 - AT91_BASE_SYS) @@ -98,6 +97,7 @@ #define AT91SAM9260_BASE_PIOB 0xfffff600 #define AT91SAM9260_BASE_PIOC 0xfffff800 #define AT91SAM9260_BASE_RTT 0xfffffd20 +#define AT91SAM9260_BASE_PIT 0xfffffd30 #define AT91_USART0 AT91SAM9260_BASE_US0 #define AT91_USART1 AT91SAM9260_BASE_US1 diff --git a/arch/arm/mach-at91/include/mach/at91sam9261.h b/arch/arm/mach-at91/include/mach/at91sam9261.h index f84b7132cb79..0dccaff5212e 100644 --- a/arch/arm/mach-at91/include/mach/at91sam9261.h +++ b/arch/arm/mach-at91/include/mach/at91sam9261.h @@ -73,7 +73,6 @@ #define AT91_PMC (0xfffffc00 - AT91_BASE_SYS) #define AT91_RSTC (0xfffffd00 - AT91_BASE_SYS) #define AT91_SHDWC (0xfffffd10 - AT91_BASE_SYS) -#define AT91_PIT (0xfffffd30 - AT91_BASE_SYS) #define AT91_WDT (0xfffffd40 - AT91_BASE_SYS) #define AT91_GPBR (0xfffffd50 - AT91_BASE_SYS) @@ -81,6 +80,7 @@ #define AT91SAM9261_BASE_PIOB 0xfffff600 #define AT91SAM9261_BASE_PIOC 0xfffff800 #define AT91SAM9261_BASE_RTT 0xfffffd20 +#define AT91SAM9261_BASE_PIT 0xfffffd30 #define AT91_USART0 AT91SAM9261_BASE_US0 #define AT91_USART1 AT91SAM9261_BASE_US1 diff --git a/arch/arm/mach-at91/include/mach/at91sam9263.h b/arch/arm/mach-at91/include/mach/at91sam9263.h index 938965ebe775..735408e6d2e6 100644 --- a/arch/arm/mach-at91/include/mach/at91sam9263.h +++ b/arch/arm/mach-at91/include/mach/at91sam9263.h @@ -85,7 +85,6 @@ #define AT91_PMC (0xfffffc00 - AT91_BASE_SYS) #define AT91_RSTC (0xfffffd00 - AT91_BASE_SYS) #define AT91_SHDWC (0xfffffd10 - AT91_BASE_SYS) -#define AT91_PIT (0xfffffd30 - AT91_BASE_SYS) #define AT91_WDT (0xfffffd40 - AT91_BASE_SYS) #define AT91_GPBR (0xfffffd60 - AT91_BASE_SYS) @@ -97,6 +96,7 @@ #define AT91SAM9263_BASE_PIOD 0xfffff800 #define AT91SAM9263_BASE_PIOE 0xfffffa00 #define AT91SAM9263_BASE_RTT0 0xfffffd20 +#define AT91SAM9263_BASE_PIT 0xfffffd30 #define AT91SAM9263_BASE_RTT1 0xfffffd50 #define AT91_USART0 AT91SAM9263_BASE_US0 diff --git a/arch/arm/mach-at91/include/mach/at91sam9g45.h b/arch/arm/mach-at91/include/mach/at91sam9g45.h index 00638c6a65fd..ba609f3872fd 100644 --- a/arch/arm/mach-at91/include/mach/at91sam9g45.h +++ b/arch/arm/mach-at91/include/mach/at91sam9g45.h @@ -95,7 +95,6 @@ #define AT91_PMC (0xfffffc00 - AT91_BASE_SYS) #define AT91_RSTC (0xfffffd00 - AT91_BASE_SYS) #define AT91_SHDWC (0xfffffd10 - AT91_BASE_SYS) -#define AT91_PIT (0xfffffd30 - AT91_BASE_SYS) #define AT91_WDT (0xfffffd40 - AT91_BASE_SYS) #define AT91_GPBR (0xfffffd60 - AT91_BASE_SYS) #define AT91_RTC (0xfffffdb0 - AT91_BASE_SYS) @@ -108,6 +107,7 @@ #define AT91SAM9G45_BASE_PIOD 0xfffff800 #define AT91SAM9G45_BASE_PIOE 0xfffffa00 #define AT91SAM9G45_BASE_RTT 0xfffffd20 +#define AT91SAM9G45_BASE_PIT 0xfffffd30 #define AT91_USART0 AT91SAM9G45_BASE_US0 #define AT91_USART1 AT91SAM9G45_BASE_US1 diff --git a/arch/arm/mach-at91/include/mach/at91sam9rl.h b/arch/arm/mach-at91/include/mach/at91sam9rl.h index 099cefc20bf0..bab09a745d2b 100644 --- a/arch/arm/mach-at91/include/mach/at91sam9rl.h +++ b/arch/arm/mach-at91/include/mach/at91sam9rl.h @@ -78,7 +78,6 @@ #define AT91_PMC (0xfffffc00 - AT91_BASE_SYS) #define AT91_RSTC (0xfffffd00 - AT91_BASE_SYS) #define AT91_SHDWC (0xfffffd10 - AT91_BASE_SYS) -#define AT91_PIT (0xfffffd30 - AT91_BASE_SYS) #define AT91_WDT (0xfffffd40 - AT91_BASE_SYS) #define AT91_SCKCR (0xfffffd50 - AT91_BASE_SYS) #define AT91_GPBR (0xfffffd60 - AT91_BASE_SYS) @@ -91,6 +90,7 @@ #define AT91SAM9RL_BASE_PIOC 0xfffff800 #define AT91SAM9RL_BASE_PIOD 0xfffffa00 #define AT91SAM9RL_BASE_RTT 0xfffffd20 +#define AT91SAM9RL_BASE_PIT 0xfffffd30 #define AT91_USART0 AT91SAM9RL_BASE_US0 #define AT91_USART1 AT91SAM9RL_BASE_US1 -- cgit v1.2.3 From f22deee523e0ff49c3be01dd6f979d374230725a Mon Sep 17 00:00:00 2001 From: Jean-Christophe PLAGNIOL-VILLARD Date: Tue, 1 Nov 2011 01:23:20 +0800 Subject: ARM: at91: make shutdown controler soc independent Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD Acked-by: Nicolas Ferre --- arch/arm/mach-at91/at91cap9.c | 10 +--------- arch/arm/mach-at91/at91sam9260.c | 10 +--------- arch/arm/mach-at91/at91sam9261.c | 10 +--------- arch/arm/mach-at91/at91sam9263.c | 10 +--------- arch/arm/mach-at91/at91sam9g45.c | 10 +--------- arch/arm/mach-at91/at91sam9rl.c | 10 +--------- arch/arm/mach-at91/board-qil-a9260.c | 2 +- arch/arm/mach-at91/board-usb-a926x.c | 2 +- arch/arm/mach-at91/generic.h | 3 +++ arch/arm/mach-at91/include/mach/at91_shdwc.h | 16 +++++++++++++--- arch/arm/mach-at91/include/mach/at91cap9.h | 2 +- arch/arm/mach-at91/include/mach/at91sam9260.h | 2 +- arch/arm/mach-at91/include/mach/at91sam9261.h | 2 +- arch/arm/mach-at91/include/mach/at91sam9263.h | 2 +- arch/arm/mach-at91/include/mach/at91sam9g45.h | 2 +- arch/arm/mach-at91/include/mach/at91sam9rl.h | 2 +- arch/arm/mach-at91/pm.c | 7 +++++-- arch/arm/mach-at91/setup.c | 17 +++++++++++++++++ 18 files changed, 52 insertions(+), 67 deletions(-) (limited to 'arch/arm/mach-at91/generic.h') diff --git a/arch/arm/mach-at91/at91cap9.c b/arch/arm/mach-at91/at91cap9.c index 1ea931274bac..652dbe1c9cef 100644 --- a/arch/arm/mach-at91/at91cap9.c +++ b/arch/arm/mach-at91/at91cap9.c @@ -13,7 +13,6 @@ */ #include -#include #include #include @@ -23,7 +22,6 @@ #include #include #include -#include #include "soc.h" #include "generic.h" @@ -319,12 +317,6 @@ static void at91cap9_reset(void) at91_sys_write(AT91_RSTC_CR, AT91_RSTC_KEY | AT91_RSTC_PROCRST | AT91_RSTC_PERRST); } -static void at91cap9_poweroff(void) -{ - at91_sys_write(AT91_SHDW_CR, AT91_SHDW_KEY | AT91_SHDW_SHDW); -} - - /* -------------------------------------------------------------------- * AT91CAP9 processor initialization * -------------------------------------------------------------------- */ @@ -336,6 +328,7 @@ static void __init at91cap9_map_io(void) static void __init at91cap9_ioremap_registers(void) { + at91_ioremap_shdwc(AT91CAP9_BASE_SHDWC); at91sam926x_ioremap_pit(AT91CAP9_BASE_PIT); at91sam9_ioremap_smc(0, AT91CAP9_BASE_SMC); } @@ -343,7 +336,6 @@ static void __init at91cap9_ioremap_registers(void) 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); /* Register GPIO subsystem */ diff --git a/arch/arm/mach-at91/at91sam9260.c b/arch/arm/mach-at91/at91sam9260.c index fc1f734b80ce..5a17a23724c2 100644 --- a/arch/arm/mach-at91/at91sam9260.c +++ b/arch/arm/mach-at91/at91sam9260.c @@ -11,7 +11,6 @@ */ #include -#include #include #include @@ -21,7 +20,6 @@ #include #include #include -#include #include "soc.h" #include "generic.h" @@ -287,12 +285,6 @@ static struct at91_gpio_bank at91sam9260_gpio[] = { } }; -static void at91sam9260_poweroff(void) -{ - at91_sys_write(AT91_SHDW_CR, AT91_SHDW_KEY | AT91_SHDW_SHDW); -} - - /* -------------------------------------------------------------------- * AT91SAM9260 processor initialization * -------------------------------------------------------------------- */ @@ -328,6 +320,7 @@ static void __init at91sam9260_map_io(void) static void __init at91sam9260_ioremap_registers(void) { + at91_ioremap_shdwc(AT91SAM9260_BASE_SHDWC); at91sam926x_ioremap_pit(AT91SAM9260_BASE_PIT); at91sam9_ioremap_smc(0, AT91SAM9260_BASE_SMC); } @@ -335,7 +328,6 @@ static void __init at91sam9260_ioremap_registers(void) 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); diff --git a/arch/arm/mach-at91/at91sam9261.c b/arch/arm/mach-at91/at91sam9261.c index 804181aedd9e..80e3e0fac6b1 100644 --- a/arch/arm/mach-at91/at91sam9261.c +++ b/arch/arm/mach-at91/at91sam9261.c @@ -11,7 +11,6 @@ */ #include -#include #include #include @@ -20,7 +19,6 @@ #include #include #include -#include #include "soc.h" #include "generic.h" @@ -268,12 +266,6 @@ static struct at91_gpio_bank at91sam9261_gpio[] = { } }; -static void at91sam9261_poweroff(void) -{ - at91_sys_write(AT91_SHDW_CR, AT91_SHDW_KEY | AT91_SHDW_SHDW); -} - - /* -------------------------------------------------------------------- * AT91SAM9261 processor initialization * -------------------------------------------------------------------- */ @@ -288,6 +280,7 @@ static void __init at91sam9261_map_io(void) static void __init at91sam9261_ioremap_registers(void) { + at91_ioremap_shdwc(AT91SAM9261_BASE_SHDWC); at91sam926x_ioremap_pit(AT91SAM9261_BASE_PIT); at91sam9_ioremap_smc(0, AT91SAM9261_BASE_SMC); } @@ -295,7 +288,6 @@ static void __init at91sam9261_ioremap_registers(void) 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); diff --git a/arch/arm/mach-at91/at91sam9263.c b/arch/arm/mach-at91/at91sam9263.c index b8f49962e87f..2a42b99d99d1 100644 --- a/arch/arm/mach-at91/at91sam9263.c +++ b/arch/arm/mach-at91/at91sam9263.c @@ -11,7 +11,6 @@ */ #include -#include #include #include @@ -19,7 +18,6 @@ #include #include #include -#include #include "soc.h" #include "generic.h" @@ -288,12 +286,6 @@ static struct at91_gpio_bank at91sam9263_gpio[] = { } }; -static void at91sam9263_poweroff(void) -{ - at91_sys_write(AT91_SHDW_CR, AT91_SHDW_KEY | AT91_SHDW_SHDW); -} - - /* -------------------------------------------------------------------- * AT91SAM9263 processor initialization * -------------------------------------------------------------------- */ @@ -306,6 +298,7 @@ static void __init at91sam9263_map_io(void) static void __init at91sam9263_ioremap_registers(void) { + at91_ioremap_shdwc(AT91SAM9263_BASE_SHDWC); at91sam926x_ioremap_pit(AT91SAM9263_BASE_PIT); at91sam9_ioremap_smc(0, AT91SAM9263_BASE_SMC0); at91sam9_ioremap_smc(1, AT91SAM9263_BASE_SMC1); @@ -314,7 +307,6 @@ static void __init at91sam9263_ioremap_registers(void) 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); /* Register GPIO subsystem */ diff --git a/arch/arm/mach-at91/at91sam9g45.c b/arch/arm/mach-at91/at91sam9g45.c index ce3233f22ed1..7fdf964f6c3a 100644 --- a/arch/arm/mach-at91/at91sam9g45.c +++ b/arch/arm/mach-at91/at91sam9g45.c @@ -11,7 +11,6 @@ */ #include -#include #include #include @@ -20,7 +19,6 @@ #include #include #include -#include #include #include "soc.h" @@ -323,12 +321,6 @@ static void at91sam9g45_reset(void) at91_sys_write(AT91_RSTC_CR, AT91_RSTC_KEY | AT91_RSTC_PROCRST | AT91_RSTC_PERRST); } -static void at91sam9g45_poweroff(void) -{ - at91_sys_write(AT91_SHDW_CR, AT91_SHDW_KEY | AT91_SHDW_SHDW); -} - - /* -------------------------------------------------------------------- * AT91SAM9G45 processor initialization * -------------------------------------------------------------------- */ @@ -341,6 +333,7 @@ static void __init at91sam9g45_map_io(void) static void __init at91sam9g45_ioremap_registers(void) { + at91_ioremap_shdwc(AT91SAM9G45_BASE_SHDWC); at91sam926x_ioremap_pit(AT91SAM9G45_BASE_PIT); at91sam9_ioremap_smc(0, AT91SAM9G45_BASE_SMC); } @@ -348,7 +341,6 @@ static void __init at91sam9g45_ioremap_registers(void) static void __init at91sam9g45_initialize(void) { at91_arch_reset = at91sam9g45_reset; - pm_power_off = at91sam9g45_poweroff; at91_extern_irq = (1 << AT91SAM9G45_ID_IRQ0); /* Register GPIO subsystem */ diff --git a/arch/arm/mach-at91/at91sam9rl.c b/arch/arm/mach-at91/at91sam9rl.c index 1bcccd705296..6856badc518b 100644 --- a/arch/arm/mach-at91/at91sam9rl.c +++ b/arch/arm/mach-at91/at91sam9rl.c @@ -10,7 +10,6 @@ */ #include -#include #include #include @@ -20,7 +19,6 @@ #include #include #include -#include #include "soc.h" #include "generic.h" @@ -264,12 +262,6 @@ static struct at91_gpio_bank at91sam9rl_gpio[] = { } }; -static void at91sam9rl_poweroff(void) -{ - at91_sys_write(AT91_SHDW_CR, AT91_SHDW_KEY | AT91_SHDW_SHDW); -} - - /* -------------------------------------------------------------------- * AT91SAM9RL processor initialization * -------------------------------------------------------------------- */ @@ -293,6 +285,7 @@ static void __init at91sam9rl_map_io(void) static void __init at91sam9rl_ioremap_registers(void) { + at91_ioremap_shdwc(AT91SAM9RL_BASE_SHDWC); at91sam926x_ioremap_pit(AT91SAM9RL_BASE_PIT); at91sam9_ioremap_smc(0, AT91SAM9RL_BASE_SMC); } @@ -300,7 +293,6 @@ static void __init at91sam9rl_ioremap_registers(void) static void __init at91sam9rl_initialize(void) { at91_arch_reset = at91sam9_alt_reset; - pm_power_off = at91sam9rl_poweroff; at91_extern_irq = (1 << AT91SAM9RL_ID_IRQ0); /* Register GPIO subsystem */ diff --git a/arch/arm/mach-at91/board-qil-a9260.c b/arch/arm/mach-at91/board-qil-a9260.c index 89d44c037291..6eb0c9359866 100644 --- a/arch/arm/mach-at91/board-qil-a9260.c +++ b/arch/arm/mach-at91/board-qil-a9260.c @@ -251,7 +251,7 @@ static void __init ek_board_init(void) /* LEDs */ at91_gpio_leds(ek_leds, ARRAY_SIZE(ek_leds)); /* shutdown controller, wakeup button (5 msec low) */ - at91_sys_write(AT91_SHDW_MR, AT91_SHDW_CPTWK0_(10) | AT91_SHDW_WKMODE0_LOW + at91_shdwc_write(AT91_SHDW_MR, AT91_SHDW_CPTWK0_(10) | AT91_SHDW_WKMODE0_LOW | AT91_SHDW_RTTWKEN); } diff --git a/arch/arm/mach-at91/board-usb-a926x.c b/arch/arm/mach-at91/board-usb-a926x.c index 6f893cf4d336..dbc2609fa7fe 100644 --- a/arch/arm/mach-at91/board-usb-a926x.c +++ b/arch/arm/mach-at91/board-usb-a926x.c @@ -344,7 +344,7 @@ static void __init ek_board_init(void) /* I2C */ at91_add_device_i2c(NULL, 0); /* shutdown controller, wakeup button (5 msec low) */ - at91_sys_write(AT91_SHDW_MR, AT91_SHDW_CPTWK0_(10) + at91_shdwc_write(AT91_SHDW_MR, AT91_SHDW_CPTWK0_(10) | AT91_SHDW_WKMODE0_LOW | AT91_SHDW_RTTWKEN); } diff --git a/arch/arm/mach-at91/generic.h b/arch/arm/mach-at91/generic.h index 8196ecc37ed2..bc1776406f42 100644 --- a/arch/arm/mach-at91/generic.h +++ b/arch/arm/mach-at91/generic.h @@ -60,6 +60,9 @@ extern void at91_irq_resume(void); /* reset */ extern void at91sam9_alt_reset(void); +/* shutdown */ +extern void at91_ioremap_shdwc(u32 base_addr); + /* GPIO */ #define AT91RM9200_PQFP 3 /* AT91RM9200 PQFP package has 3 banks */ #define AT91RM9200_BGA 4 /* AT91RM9200 BGA package has 4 banks */ diff --git a/arch/arm/mach-at91/include/mach/at91_shdwc.h b/arch/arm/mach-at91/include/mach/at91_shdwc.h index c4ce07e8a8fa..1d4fe822c77a 100644 --- a/arch/arm/mach-at91/include/mach/at91_shdwc.h +++ b/arch/arm/mach-at91/include/mach/at91_shdwc.h @@ -16,11 +16,21 @@ #ifndef AT91_SHDWC_H #define AT91_SHDWC_H -#define AT91_SHDW_CR (AT91_SHDWC + 0x00) /* Shut Down Control Register */ +#ifndef __ASSEMBLY__ +extern void __iomem *at91_shdwc_base; + +#define at91_shdwc_read(field) \ + __raw_readl(at91_shdwc_base + field) + +#define at91_shdwc_write(field, value) \ + __raw_writel(value, at91_shdwc_base + field); +#endif + +#define AT91_SHDW_CR 0x00 /* Shut Down Control Register */ #define AT91_SHDW_SHDW (1 << 0) /* Shut Down command */ #define AT91_SHDW_KEY (0xa5 << 24) /* KEY Password */ -#define AT91_SHDW_MR (AT91_SHDWC + 0x04) /* Shut Down Mode Register */ +#define AT91_SHDW_MR 0x04 /* Shut Down Mode Register */ #define AT91_SHDW_WKMODE0 (3 << 0) /* Wake-up 0 Mode Selection */ #define AT91_SHDW_WKMODE0_NONE 0 #define AT91_SHDW_WKMODE0_HIGH 1 @@ -30,7 +40,7 @@ #define AT91_SHDW_CPTWK0_(x) ((x) << 4) #define AT91_SHDW_RTTWKEN (1 << 16) /* Real Time Timer Wake-up Enable */ -#define AT91_SHDW_SR (AT91_SHDWC + 0x08) /* Shut Down Status Register */ +#define AT91_SHDW_SR 0x08 /* Shut Down Status Register */ #define AT91_SHDW_WAKEUP0 (1 << 0) /* Wake-up 0 Status */ #define AT91_SHDW_RTTWK (1 << 16) /* Real-time Timer Wake-up */ #define AT91_SHDW_RTCWK (1 << 17) /* Real-time Clock Wake-up [SAM9RL] */ diff --git a/arch/arm/mach-at91/include/mach/at91cap9.h b/arch/arm/mach-at91/include/mach/at91cap9.h index cd19f0500cd2..5ac468c219af 100644 --- a/arch/arm/mach-at91/include/mach/at91cap9.h +++ b/arch/arm/mach-at91/include/mach/at91cap9.h @@ -86,7 +86,6 @@ #define AT91_AIC (0xfffff000 - AT91_BASE_SYS) #define AT91_PMC (0xfffffc00 - AT91_BASE_SYS) #define AT91_RSTC (0xfffffd00 - AT91_BASE_SYS) -#define AT91_SHDWC (0xfffffd10 - AT91_BASE_SYS) #define AT91_WDT (0xfffffd40 - AT91_BASE_SYS) #define AT91_GPBR (cpu_is_at91cap9_revB() ? \ (0xfffffd50 - AT91_BASE_SYS) : \ @@ -99,6 +98,7 @@ #define AT91CAP9_BASE_PIOB 0xfffff400 #define AT91CAP9_BASE_PIOC 0xfffff600 #define AT91CAP9_BASE_PIOD 0xfffff800 +#define AT91CAP9_BASE_SHDWC 0xfffffd10 #define AT91CAP9_BASE_RTT 0xfffffd20 #define AT91CAP9_BASE_PIT 0xfffffd30 diff --git a/arch/arm/mach-at91/include/mach/at91sam9260.h b/arch/arm/mach-at91/include/mach/at91sam9260.h index f964cfaca379..e3c819ab3435 100644 --- a/arch/arm/mach-at91/include/mach/at91sam9260.h +++ b/arch/arm/mach-at91/include/mach/at91sam9260.h @@ -86,7 +86,6 @@ #define AT91_DBGU (0xfffff200 - AT91_BASE_SYS) #define AT91_PMC (0xfffffc00 - AT91_BASE_SYS) #define AT91_RSTC (0xfffffd00 - AT91_BASE_SYS) -#define AT91_SHDWC (0xfffffd10 - AT91_BASE_SYS) #define AT91_WDT (0xfffffd40 - AT91_BASE_SYS) #define AT91_GPBR (0xfffffd50 - AT91_BASE_SYS) @@ -95,6 +94,7 @@ #define AT91SAM9260_BASE_PIOA 0xfffff400 #define AT91SAM9260_BASE_PIOB 0xfffff600 #define AT91SAM9260_BASE_PIOC 0xfffff800 +#define AT91SAM9260_BASE_SHDWC 0xfffffd10 #define AT91SAM9260_BASE_RTT 0xfffffd20 #define AT91SAM9260_BASE_PIT 0xfffffd30 diff --git a/arch/arm/mach-at91/include/mach/at91sam9261.h b/arch/arm/mach-at91/include/mach/at91sam9261.h index 1ea2d6b06c81..f9b516368f96 100644 --- a/arch/arm/mach-at91/include/mach/at91sam9261.h +++ b/arch/arm/mach-at91/include/mach/at91sam9261.h @@ -71,7 +71,6 @@ #define AT91_DBGU (0xfffff200 - AT91_BASE_SYS) #define AT91_PMC (0xfffffc00 - AT91_BASE_SYS) #define AT91_RSTC (0xfffffd00 - AT91_BASE_SYS) -#define AT91_SHDWC (0xfffffd10 - AT91_BASE_SYS) #define AT91_WDT (0xfffffd40 - AT91_BASE_SYS) #define AT91_GPBR (0xfffffd50 - AT91_BASE_SYS) @@ -79,6 +78,7 @@ #define AT91SAM9261_BASE_PIOA 0xfffff400 #define AT91SAM9261_BASE_PIOB 0xfffff600 #define AT91SAM9261_BASE_PIOC 0xfffff800 +#define AT91SAM9261_BASE_SHDWC 0xfffffd10 #define AT91SAM9261_BASE_RTT 0xfffffd20 #define AT91SAM9261_BASE_PIT 0xfffffd30 diff --git a/arch/arm/mach-at91/include/mach/at91sam9263.h b/arch/arm/mach-at91/include/mach/at91sam9263.h index a62a3a8d9087..28d52d588e90 100644 --- a/arch/arm/mach-at91/include/mach/at91sam9263.h +++ b/arch/arm/mach-at91/include/mach/at91sam9263.h @@ -81,7 +81,6 @@ #define AT91_AIC (0xfffff000 - AT91_BASE_SYS) #define AT91_PMC (0xfffffc00 - AT91_BASE_SYS) #define AT91_RSTC (0xfffffd00 - AT91_BASE_SYS) -#define AT91_SHDWC (0xfffffd10 - AT91_BASE_SYS) #define AT91_WDT (0xfffffd40 - AT91_BASE_SYS) #define AT91_GPBR (0xfffffd60 - AT91_BASE_SYS) @@ -94,6 +93,7 @@ #define AT91SAM9263_BASE_PIOC 0xfffff600 #define AT91SAM9263_BASE_PIOD 0xfffff800 #define AT91SAM9263_BASE_PIOE 0xfffffa00 +#define AT91SAM9263_BASE_SHDWC 0xfffffd10 #define AT91SAM9263_BASE_RTT0 0xfffffd20 #define AT91SAM9263_BASE_PIT 0xfffffd30 #define AT91SAM9263_BASE_RTT1 0xfffffd50 diff --git a/arch/arm/mach-at91/include/mach/at91sam9g45.h b/arch/arm/mach-at91/include/mach/at91sam9g45.h index ac051d427e6b..5f3453ef5866 100644 --- a/arch/arm/mach-at91/include/mach/at91sam9g45.h +++ b/arch/arm/mach-at91/include/mach/at91sam9g45.h @@ -93,7 +93,6 @@ #define AT91_AIC (0xfffff000 - AT91_BASE_SYS) #define AT91_PMC (0xfffffc00 - AT91_BASE_SYS) #define AT91_RSTC (0xfffffd00 - AT91_BASE_SYS) -#define AT91_SHDWC (0xfffffd10 - AT91_BASE_SYS) #define AT91_WDT (0xfffffd40 - AT91_BASE_SYS) #define AT91_GPBR (0xfffffd60 - AT91_BASE_SYS) #define AT91_RTC (0xfffffdb0 - AT91_BASE_SYS) @@ -106,6 +105,7 @@ #define AT91SAM9G45_BASE_PIOC 0xfffff600 #define AT91SAM9G45_BASE_PIOD 0xfffff800 #define AT91SAM9G45_BASE_PIOE 0xfffffa00 +#define AT91SAM9G45_BASE_SHDWC 0xfffffd10 #define AT91SAM9G45_BASE_RTT 0xfffffd20 #define AT91SAM9G45_BASE_PIT 0xfffffd30 diff --git a/arch/arm/mach-at91/include/mach/at91sam9rl.h b/arch/arm/mach-at91/include/mach/at91sam9rl.h index c945d4d5de3f..6f3a4eeb7394 100644 --- a/arch/arm/mach-at91/include/mach/at91sam9rl.h +++ b/arch/arm/mach-at91/include/mach/at91sam9rl.h @@ -75,7 +75,6 @@ #define AT91_DBGU (0xfffff200 - AT91_BASE_SYS) #define AT91_PMC (0xfffffc00 - AT91_BASE_SYS) #define AT91_RSTC (0xfffffd00 - AT91_BASE_SYS) -#define AT91_SHDWC (0xfffffd10 - AT91_BASE_SYS) #define AT91_WDT (0xfffffd40 - AT91_BASE_SYS) #define AT91_SCKCR (0xfffffd50 - AT91_BASE_SYS) #define AT91_GPBR (0xfffffd60 - AT91_BASE_SYS) @@ -88,6 +87,7 @@ #define AT91SAM9RL_BASE_PIOB 0xfffff600 #define AT91SAM9RL_BASE_PIOC 0xfffff800 #define AT91SAM9RL_BASE_PIOD 0xfffffa00 +#define AT91SAM9RL_BASE_SHDWC 0xfffffd10 #define AT91SAM9RL_BASE_RTT 0xfffffd20 #define AT91SAM9RL_BASE_PIT 0xfffffd30 diff --git a/arch/arm/mach-at91/pm.c b/arch/arm/mach-at91/pm.c index 7046158109d7..3a5b7b4279e7 100644 --- a/arch/arm/mach-at91/pm.c +++ b/arch/arm/mach-at91/pm.c @@ -34,7 +34,7 @@ /* * Show the reason for the previous system reset. */ -#if defined(AT91_SHDWC) +#if defined(AT91_RSTC) #include #include @@ -58,8 +58,11 @@ static void __init show_reset_status(void) char *reason, *r2 = reset; u32 reset_type, wake_type; + if (!at91_shdwc_base) + return; + reset_type = at91_sys_read(AT91_RSTC_SR) & AT91_RSTC_RSTTYP; - wake_type = at91_sys_read(AT91_SHDW_SR); + wake_type = at91_shdwc_read(AT91_SHDW_SR); switch (reset_type) { case AT91_RSTC_RSTTYP_GENERAL: diff --git a/arch/arm/mach-at91/setup.c b/arch/arm/mach-at91/setup.c index 63b3ac2595b7..053c36993154 100644 --- a/arch/arm/mach-at91/setup.c +++ b/arch/arm/mach-at91/setup.c @@ -8,6 +8,7 @@ #include #include #include +#include #include @@ -15,6 +16,7 @@ #include #include #include +#include #include "soc.h" #include "generic.h" @@ -285,6 +287,21 @@ void __init at91_map_io(void) at91_boot_soc.map_io(); } +void __iomem *at91_shdwc_base = NULL; + +static void at91sam9_poweroff(void) +{ + at91_shdwc_write(AT91_SHDW_CR, AT91_SHDW_KEY | AT91_SHDW_SHDW); +} + +void __init at91_ioremap_shdwc(u32 base_addr) +{ + at91_shdwc_base = ioremap(base_addr, 16); + if (!at91_shdwc_base) + panic("Impossible to ioremap at91_shdwc_base\n"); + pm_power_off = at91sam9_poweroff; +} + void __init at91_initialize(unsigned long main_clock) { at91_boot_soc.ioremap_registers(); -- cgit v1.2.3 From 619d4a4b40f44c1b45263a0e0c9598e3139a1fec Mon Sep 17 00:00:00 2001 From: Jean-Christophe PLAGNIOL-VILLARD Date: Sun, 13 Nov 2011 13:00:58 +0800 Subject: ARM: at91: switch gpio clock to clkdev Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD Cc: Nicolas Ferre --- arch/arm/mach-at91/at91cap9.c | 8 ++++---- arch/arm/mach-at91/at91rm9200.c | 8 ++++---- arch/arm/mach-at91/at91sam9260.c | 6 +++--- arch/arm/mach-at91/at91sam9261.c | 6 +++--- arch/arm/mach-at91/at91sam9263.c | 10 +++++----- arch/arm/mach-at91/at91sam9g45.c | 10 +++++----- arch/arm/mach-at91/at91sam9rl.c | 8 ++++---- arch/arm/mach-at91/generic.h | 1 - arch/arm/mach-at91/gpio.c | 23 +++++++++++++++-------- 9 files changed, 43 insertions(+), 37 deletions(-) (limited to 'arch/arm/mach-at91/generic.h') diff --git a/arch/arm/mach-at91/at91cap9.c b/arch/arm/mach-at91/at91cap9.c index dcfa8af845ab..f7f7e1ea2d1f 100644 --- a/arch/arm/mach-at91/at91cap9.c +++ b/arch/arm/mach-at91/at91cap9.c @@ -222,6 +222,10 @@ static struct clk_lookup periph_clocks_lookups[] = { CLKDEV_CON_DEV_ID("pclk", "ssc.1", &ssc1_clk), /* fake hclk clock */ CLKDEV_CON_DEV_ID("hclk", "at91_ohci", &ohci_clk), + CLKDEV_CON_ID("pioA", &pioABCD_clk), + CLKDEV_CON_ID("pioB", &pioABCD_clk), + CLKDEV_CON_ID("pioC", &pioABCD_clk), + CLKDEV_CON_ID("pioD", &pioABCD_clk), }; static struct clk_lookup usart_clocks_lookups[] = { @@ -298,19 +302,15 @@ static struct at91_gpio_bank at91cap9_gpio[] = { { .id = AT91CAP9_ID_PIOABCD, .regbase = AT91CAP9_BASE_PIOA, - .clock = &pioABCD_clk, }, { .id = AT91CAP9_ID_PIOABCD, .regbase = AT91CAP9_BASE_PIOB, - .clock = &pioABCD_clk, }, { .id = AT91CAP9_ID_PIOABCD, .regbase = AT91CAP9_BASE_PIOC, - .clock = &pioABCD_clk, }, { .id = AT91CAP9_ID_PIOABCD, .regbase = AT91CAP9_BASE_PIOD, - .clock = &pioABCD_clk, } }; diff --git a/arch/arm/mach-at91/at91rm9200.c b/arch/arm/mach-at91/at91rm9200.c index c06c14fecba4..7470f6381752 100644 --- a/arch/arm/mach-at91/at91rm9200.c +++ b/arch/arm/mach-at91/at91rm9200.c @@ -196,6 +196,10 @@ static struct clk_lookup periph_clocks_lookups[] = { CLKDEV_CON_DEV_ID("pclk", "ssc.2", &ssc2_clk), /* fake hclk clock */ CLKDEV_CON_DEV_ID("hclk", "at91_ohci", &ohci_clk), + CLKDEV_CON_ID("pioA", &pioA_clk), + CLKDEV_CON_ID("pioB", &pioB_clk), + CLKDEV_CON_ID("pioC", &pioC_clk), + CLKDEV_CON_ID("pioD", &pioD_clk), }; static struct clk_lookup usart_clocks_lookups[] = { @@ -273,19 +277,15 @@ static struct at91_gpio_bank at91rm9200_gpio[] = { { .id = AT91RM9200_ID_PIOA, .regbase = AT91RM9200_BASE_PIOA, - .clock = &pioA_clk, }, { .id = AT91RM9200_ID_PIOB, .regbase = AT91RM9200_BASE_PIOB, - .clock = &pioB_clk, }, { .id = AT91RM9200_ID_PIOC, .regbase = AT91RM9200_BASE_PIOC, - .clock = &pioC_clk, }, { .id = AT91RM9200_ID_PIOD, .regbase = AT91RM9200_BASE_PIOD, - .clock = &pioD_clk, } }; diff --git a/arch/arm/mach-at91/at91sam9260.c b/arch/arm/mach-at91/at91sam9260.c index e94cc2268461..943da2100cdc 100644 --- a/arch/arm/mach-at91/at91sam9260.c +++ b/arch/arm/mach-at91/at91sam9260.c @@ -210,6 +210,9 @@ static struct clk_lookup periph_clocks_lookups[] = { CLKDEV_CON_DEV_ID("usart", "fffd8000.serial", &usart5_clk), /* fake hclk clock */ CLKDEV_CON_DEV_ID("hclk", "at91_ohci", &ohci_clk), + CLKDEV_CON_ID("pioA", &pioA_clk), + CLKDEV_CON_ID("pioB", &pioB_clk), + CLKDEV_CON_ID("pioC", &pioC_clk), }; static struct clk_lookup usart_clocks_lookups[] = { @@ -275,15 +278,12 @@ static struct at91_gpio_bank at91sam9260_gpio[] = { { .id = AT91SAM9260_ID_PIOA, .regbase = AT91SAM9260_BASE_PIOA, - .clock = &pioA_clk, }, { .id = AT91SAM9260_ID_PIOB, .regbase = AT91SAM9260_BASE_PIOB, - .clock = &pioB_clk, }, { .id = AT91SAM9260_ID_PIOC, .regbase = AT91SAM9260_BASE_PIOC, - .clock = &pioC_clk, } }; diff --git a/arch/arm/mach-at91/at91sam9261.c b/arch/arm/mach-at91/at91sam9261.c index 80e3e0fac6b1..dd7924c996fc 100644 --- a/arch/arm/mach-at91/at91sam9261.c +++ b/arch/arm/mach-at91/at91sam9261.c @@ -175,6 +175,9 @@ static struct clk_lookup periph_clocks_lookups[] = { CLKDEV_CON_DEV_ID("pclk", "ssc.1", &ssc1_clk), CLKDEV_CON_DEV_ID("pclk", "ssc.2", &ssc2_clk), CLKDEV_CON_DEV_ID("hclk", "at91_ohci", &hck0), + CLKDEV_CON_ID("pioA", &pioA_clk), + CLKDEV_CON_ID("pioB", &pioB_clk), + CLKDEV_CON_ID("pioC", &pioC_clk), }; static struct clk_lookup usart_clocks_lookups[] = { @@ -254,15 +257,12 @@ static struct at91_gpio_bank at91sam9261_gpio[] = { { .id = AT91SAM9261_ID_PIOA, .regbase = AT91SAM9261_BASE_PIOA, - .clock = &pioA_clk, }, { .id = AT91SAM9261_ID_PIOB, .regbase = AT91SAM9261_BASE_PIOB, - .clock = &pioB_clk, }, { .id = AT91SAM9261_ID_PIOC, .regbase = AT91SAM9261_BASE_PIOC, - .clock = &pioC_clk, } }; diff --git a/arch/arm/mach-at91/at91sam9263.c b/arch/arm/mach-at91/at91sam9263.c index 5c14b22928a8..5a7474174593 100644 --- a/arch/arm/mach-at91/at91sam9263.c +++ b/arch/arm/mach-at91/at91sam9263.c @@ -192,6 +192,11 @@ static struct clk_lookup periph_clocks_lookups[] = { CLKDEV_CON_DEV_ID("t0_clk", "atmel_tcb.0", &tcb_clk), /* fake hclk clock */ CLKDEV_CON_DEV_ID("hclk", "at91_ohci", &ohci_clk), + CLKDEV_CON_ID("pioA", &pioA_clk), + CLKDEV_CON_ID("pioB", &pioB_clk), + CLKDEV_CON_ID("pioC", &pioCDE_clk), + CLKDEV_CON_ID("pioD", &pioCDE_clk), + CLKDEV_CON_ID("pioE", &pioCDE_clk), }; static struct clk_lookup usart_clocks_lookups[] = { @@ -268,23 +273,18 @@ static struct at91_gpio_bank at91sam9263_gpio[] = { { .id = AT91SAM9263_ID_PIOA, .regbase = AT91SAM9263_BASE_PIOA, - .clock = &pioA_clk, }, { .id = AT91SAM9263_ID_PIOB, .regbase = AT91SAM9263_BASE_PIOB, - .clock = &pioB_clk, }, { .id = AT91SAM9263_ID_PIOCDE, .regbase = AT91SAM9263_BASE_PIOC, - .clock = &pioCDE_clk, }, { .id = AT91SAM9263_ID_PIOCDE, .regbase = AT91SAM9263_BASE_PIOD, - .clock = &pioCDE_clk, }, { .id = AT91SAM9263_ID_PIOCDE, .regbase = AT91SAM9263_BASE_PIOE, - .clock = &pioCDE_clk, } }; diff --git a/arch/arm/mach-at91/at91sam9g45.c b/arch/arm/mach-at91/at91sam9g45.c index c0c9fa7b73f0..4bb0bf00b3a4 100644 --- a/arch/arm/mach-at91/at91sam9g45.c +++ b/arch/arm/mach-at91/at91sam9g45.c @@ -232,6 +232,11 @@ static struct clk_lookup periph_clocks_lookups[] = { CLKDEV_CON_DEV_ID("usart", "fff98000.serial", &usart3_clk), /* fake hclk clock */ CLKDEV_CON_DEV_ID("hclk", "at91_ohci", &uhphs_clk), + CLKDEV_CON_ID("pioA", &pioA_clk), + CLKDEV_CON_ID("pioB", &pioB_clk), + CLKDEV_CON_ID("pioC", &pioC_clk), + CLKDEV_CON_ID("pioD", &pioDE_clk), + CLKDEV_CON_ID("pioE", &pioDE_clk), }; static struct clk_lookup usart_clocks_lookups[] = { @@ -298,23 +303,18 @@ static struct at91_gpio_bank at91sam9g45_gpio[] = { { .id = AT91SAM9G45_ID_PIOA, .regbase = AT91SAM9G45_BASE_PIOA, - .clock = &pioA_clk, }, { .id = AT91SAM9G45_ID_PIOB, .regbase = AT91SAM9G45_BASE_PIOB, - .clock = &pioB_clk, }, { .id = AT91SAM9G45_ID_PIOC, .regbase = AT91SAM9G45_BASE_PIOC, - .clock = &pioC_clk, }, { .id = AT91SAM9G45_ID_PIODE, .regbase = AT91SAM9G45_BASE_PIOD, - .clock = &pioDE_clk, }, { .id = AT91SAM9G45_ID_PIODE, .regbase = AT91SAM9G45_BASE_PIOE, - .clock = &pioDE_clk, } }; diff --git a/arch/arm/mach-at91/at91sam9rl.c b/arch/arm/mach-at91/at91sam9rl.c index 6856badc518b..60555d4738f8 100644 --- a/arch/arm/mach-at91/at91sam9rl.c +++ b/arch/arm/mach-at91/at91sam9rl.c @@ -183,6 +183,10 @@ static struct clk_lookup periph_clocks_lookups[] = { CLKDEV_CON_DEV_ID("t2_clk", "atmel_tcb.0", &tc2_clk), CLKDEV_CON_DEV_ID("pclk", "ssc.0", &ssc0_clk), CLKDEV_CON_DEV_ID("pclk", "ssc.1", &ssc1_clk), + CLKDEV_CON_ID("pioA", &pioA_clk), + CLKDEV_CON_ID("pioB", &pioB_clk), + CLKDEV_CON_ID("pioC", &pioC_clk), + CLKDEV_CON_ID("pioD", &pioD_clk), }; static struct clk_lookup usart_clocks_lookups[] = { @@ -246,19 +250,15 @@ static struct at91_gpio_bank at91sam9rl_gpio[] = { { .id = AT91SAM9RL_ID_PIOA, .regbase = AT91SAM9RL_BASE_PIOA, - .clock = &pioA_clk, }, { .id = AT91SAM9RL_ID_PIOB, .regbase = AT91SAM9RL_BASE_PIOB, - .clock = &pioB_clk, }, { .id = AT91SAM9RL_ID_PIOC, .regbase = AT91SAM9RL_BASE_PIOC, - .clock = &pioC_clk, }, { .id = AT91SAM9RL_ID_PIOD, .regbase = AT91SAM9RL_BASE_PIOD, - .clock = &pioD_clk, } }; diff --git a/arch/arm/mach-at91/generic.h b/arch/arm/mach-at91/generic.h index bc1776406f42..40309588f360 100644 --- a/arch/arm/mach-at91/generic.h +++ b/arch/arm/mach-at91/generic.h @@ -70,7 +70,6 @@ extern void at91_ioremap_shdwc(u32 base_addr); struct at91_gpio_bank { unsigned short id; /* peripheral ID */ unsigned long regbase; /* offset from system peripheral base */ - struct clk *clock; /* associated clock */ }; extern void __init at91_gpio_init(struct at91_gpio_bank *, int nr_banks); extern void __init at91_gpio_irq_setup(void); diff --git a/arch/arm/mach-at91/gpio.c b/arch/arm/mach-at91/gpio.c index cedb753f4cad..4059f07eb955 100644 --- a/arch/arm/mach-at91/gpio.c +++ b/arch/arm/mach-at91/gpio.c @@ -31,6 +31,7 @@ struct at91_gpio_chip { struct at91_gpio_chip *next; /* Bank sharing same clock */ struct at91_gpio_bank *bank; /* Bank definition */ void __iomem *regbase; /* Base of register bank */ + struct clk *clock; /* associated clock */ }; #define to_at91_gpio_chip(c) container_of(c, struct at91_gpio_chip, chip) @@ -58,11 +59,11 @@ static int at91_gpiolib_direction_input(struct gpio_chip *chip, } static struct at91_gpio_chip gpio_chip[] = { - AT91_GPIO_CHIP("A", 0x00 + PIN_BASE, 32), - AT91_GPIO_CHIP("B", 0x20 + PIN_BASE, 32), - AT91_GPIO_CHIP("C", 0x40 + PIN_BASE, 32), - AT91_GPIO_CHIP("D", 0x60 + PIN_BASE, 32), - AT91_GPIO_CHIP("E", 0x80 + PIN_BASE, 32), + AT91_GPIO_CHIP("pioA", 0x00 + PIN_BASE, 32), + AT91_GPIO_CHIP("pioB", 0x20 + PIN_BASE, 32), + AT91_GPIO_CHIP("pioC", 0x40 + PIN_BASE, 32), + AT91_GPIO_CHIP("pioD", 0x60 + PIN_BASE, 32), + AT91_GPIO_CHIP("pioE", 0x80 + PIN_BASE, 32), }; static int gpio_banks; @@ -302,7 +303,7 @@ void at91_gpio_suspend(void) __raw_writel(wakeups[i], pio + PIO_IER); if (!wakeups[i]) - clk_disable(gpio_chip[i].bank->clock); + clk_disable(gpio_chip[i].clock); else { #ifdef CONFIG_PM_DEBUG printk(KERN_DEBUG "GPIO-%c may wake for %08x\n", 'A'+i, wakeups[i]); @@ -319,7 +320,7 @@ void at91_gpio_resume(void) void __iomem *pio = gpio_chip[i].regbase; if (!wakeups[i]) - clk_enable(gpio_chip[i].bank->clock); + clk_enable(gpio_chip[i].clock); __raw_writel(wakeups[i], pio + PIO_IDR); __raw_writel(backups[i], pio + PIO_IER); @@ -621,8 +622,14 @@ void __init at91_gpio_init(struct at91_gpio_bank *data, int nr_banks) continue; } + at91_gpio->clock = clk_get_sys(NULL, at91_gpio->chip.label); + if (!at91_gpio->clock) { + pr_err("at91_gpio.%d, failed to get clock, ignoring.\n", i); + continue; + } + /* enable PIO controller's clock */ - clk_enable(at91_gpio->bank->clock); + clk_enable(at91_gpio->clock); /* AT91SAM9263_ID_PIOCDE groups PIOC, PIOD, PIOE */ if (last && last->bank->id == at91_gpio->bank->id) -- cgit v1.2.3 From 1b2073e7789429e6554e69b307d857d8f46a2e22 Mon Sep 17 00:00:00 2001 From: Russell King Date: Thu, 3 Nov 2011 09:53:29 +0000 Subject: ARM: restart: at91: use new restart hook Rather than using a private function pointer, use the existing arm_pm_restart function pointer instead. We no longer need to enable the I-cache in at91sam9_alt_reset() as the caches will now be on when this function is called. Update the function names to use the 'restart' terminology rather than the 'reboot' terminology. Signed-off-by: Russell King --- arch/arm/mach-at91/at91cap9.c | 4 ++-- arch/arm/mach-at91/at91rm9200.c | 4 ++-- arch/arm/mach-at91/at91sam9260.c | 2 +- arch/arm/mach-at91/at91sam9261.c | 2 +- arch/arm/mach-at91/at91sam9263.c | 2 +- arch/arm/mach-at91/at91sam9_alt_reset.S | 9 ++------- arch/arm/mach-at91/at91sam9g45.c | 4 ++-- arch/arm/mach-at91/at91sam9rl.c | 2 +- arch/arm/mach-at91/generic.h | 3 +-- arch/arm/mach-at91/include/mach/system.h | 5 ----- 10 files changed, 13 insertions(+), 24 deletions(-) (limited to 'arch/arm/mach-at91/generic.h') diff --git a/arch/arm/mach-at91/at91cap9.c b/arch/arm/mach-at91/at91cap9.c index ecdd54dd68c6..29373397d2df 100644 --- a/arch/arm/mach-at91/at91cap9.c +++ b/arch/arm/mach-at91/at91cap9.c @@ -313,7 +313,7 @@ static struct at91_gpio_bank at91cap9_gpio[] = { } }; -static void at91cap9_reset(void) +static void at91cap9_restart(char mode, const char *cmd) { at91_sys_write(AT91_RSTC_CR, AT91_RSTC_KEY | AT91_RSTC_PROCRST | AT91_RSTC_PERRST); } @@ -335,7 +335,7 @@ static void __init at91cap9_map_io(void) static void __init at91cap9_initialize(void) { - at91_arch_reset = at91cap9_reset; + arm_pm_restart = at91cap9_restart; pm_power_off = at91cap9_poweroff; at91_extern_irq = (1 << AT91CAP9_ID_IRQ0) | (1 << AT91CAP9_ID_IRQ1); diff --git a/arch/arm/mach-at91/at91rm9200.c b/arch/arm/mach-at91/at91rm9200.c index 713d3bdbd284..430a9fdc3dbf 100644 --- a/arch/arm/mach-at91/at91rm9200.c +++ b/arch/arm/mach-at91/at91rm9200.c @@ -288,7 +288,7 @@ static struct at91_gpio_bank at91rm9200_gpio[] = { } }; -static void at91rm9200_reset(void) +static void at91rm9200_restart(char mode, const char *cmd) { /* * Perform a hardware reset with the use of the Watchdog timer. @@ -309,7 +309,7 @@ static void __init at91rm9200_map_io(void) static void __init at91rm9200_initialize(void) { - at91_arch_reset = at91rm9200_reset; + arm_pm_restart = at91rm9200_restart; at91_extern_irq = (1 << AT91RM9200_ID_IRQ0) | (1 << AT91RM9200_ID_IRQ1) | (1 << AT91RM9200_ID_IRQ2) | (1 << AT91RM9200_ID_IRQ3) | (1 << AT91RM9200_ID_IRQ4) | (1 << AT91RM9200_ID_IRQ5) diff --git a/arch/arm/mach-at91/at91sam9260.c b/arch/arm/mach-at91/at91sam9260.c index 0d20677fbef0..e76cd49ebc9e 100644 --- a/arch/arm/mach-at91/at91sam9260.c +++ b/arch/arm/mach-at91/at91sam9260.c @@ -327,7 +327,7 @@ static void __init at91sam9260_map_io(void) static void __init at91sam9260_initialize(void) { - at91_arch_reset = at91sam9_alt_reset; + arm_pm_restart = at91sam9_alt_restart; pm_power_off = at91sam9260_poweroff; at91_extern_irq = (1 << AT91SAM9260_ID_IRQ0) | (1 << AT91SAM9260_ID_IRQ1) | (1 << AT91SAM9260_ID_IRQ2); diff --git a/arch/arm/mach-at91/at91sam9261.c b/arch/arm/mach-at91/at91sam9261.c index 658a5185abfd..19ac7c0729a0 100644 --- a/arch/arm/mach-at91/at91sam9261.c +++ b/arch/arm/mach-at91/at91sam9261.c @@ -287,7 +287,7 @@ static void __init at91sam9261_map_io(void) static void __init at91sam9261_initialize(void) { - at91_arch_reset = at91sam9_alt_reset; + arm_pm_restart = at91sam9_alt_restart; pm_power_off = at91sam9261_poweroff; at91_extern_irq = (1 << AT91SAM9261_ID_IRQ0) | (1 << AT91SAM9261_ID_IRQ1) | (1 << AT91SAM9261_ID_IRQ2); diff --git a/arch/arm/mach-at91/at91sam9263.c b/arch/arm/mach-at91/at91sam9263.c index f83fbb0ee0c5..50d016310031 100644 --- a/arch/arm/mach-at91/at91sam9263.c +++ b/arch/arm/mach-at91/at91sam9263.c @@ -305,7 +305,7 @@ static void __init at91sam9263_map_io(void) static void __init at91sam9263_initialize(void) { - at91_arch_reset = at91sam9_alt_reset; + arm_pm_restart = at91sam9_alt_restart; pm_power_off = at91sam9263_poweroff; at91_extern_irq = (1 << AT91SAM9263_ID_IRQ0) | (1 << AT91SAM9263_ID_IRQ1); diff --git a/arch/arm/mach-at91/at91sam9_alt_reset.S b/arch/arm/mach-at91/at91sam9_alt_reset.S index e0256deb91fb..d3f931c5942e 100644 --- a/arch/arm/mach-at91/at91sam9_alt_reset.S +++ b/arch/arm/mach-at91/at91sam9_alt_reset.S @@ -14,20 +14,15 @@ */ #include -#include #include #include #include .arm - .globl at91sam9_alt_reset + .globl at91sam9_alt_restart -at91sam9_alt_reset: mrc p15, 0, r0, c1, c0, 0 - orr r0, r0, #CR_I - mcr p15, 0, r0, c1, c0, 0 @ enable I-cache - - ldr r0, .at91_va_base_sdramc @ preload constants +at91sam9_alt_restart: ldr r0, .at91_va_base_sdramc @ preload constants ldr r1, .at91_va_base_rstc_cr mov r2, #1 diff --git a/arch/arm/mach-at91/at91sam9g45.c b/arch/arm/mach-at91/at91sam9g45.c index 318b0407ea04..ff21f7a60c63 100644 --- a/arch/arm/mach-at91/at91sam9g45.c +++ b/arch/arm/mach-at91/at91sam9g45.c @@ -317,7 +317,7 @@ static struct at91_gpio_bank at91sam9g45_gpio[] = { } }; -static void at91sam9g45_reset(void) +static void at91sam9g45_restart(char mode, const char *cmd) { at91_sys_write(AT91_RSTC_CR, AT91_RSTC_KEY | AT91_RSTC_PROCRST | AT91_RSTC_PERRST); } @@ -340,7 +340,7 @@ static void __init at91sam9g45_map_io(void) static void __init at91sam9g45_initialize(void) { - at91_arch_reset = at91sam9g45_reset; + arm_pm_restart = at91sam9g45_restart; pm_power_off = at91sam9g45_poweroff; at91_extern_irq = (1 << AT91SAM9G45_ID_IRQ0); diff --git a/arch/arm/mach-at91/at91sam9rl.c b/arch/arm/mach-at91/at91sam9rl.c index a238105d2c11..61cbb46f5b0e 100644 --- a/arch/arm/mach-at91/at91sam9rl.c +++ b/arch/arm/mach-at91/at91sam9rl.c @@ -292,7 +292,7 @@ static void __init at91sam9rl_map_io(void) static void __init at91sam9rl_initialize(void) { - at91_arch_reset = at91sam9_alt_reset; + arm_pm_restart = at91sam9_alt_restart; pm_power_off = at91sam9rl_poweroff; at91_extern_irq = (1 << AT91SAM9RL_ID_IRQ0); diff --git a/arch/arm/mach-at91/generic.h b/arch/arm/mach-at91/generic.h index 938b34f57741..7f4503bc4cbb 100644 --- a/arch/arm/mach-at91/generic.h +++ b/arch/arm/mach-at91/generic.h @@ -57,7 +57,7 @@ extern void at91_irq_suspend(void); extern void at91_irq_resume(void); /* reset */ -extern void at91sam9_alt_reset(void); +extern void at91sam9_alt_restart(char, const char *); /* GPIO */ #define AT91RM9200_PQFP 3 /* AT91RM9200 PQFP package has 3 banks */ @@ -71,5 +71,4 @@ struct at91_gpio_bank { extern void __init at91_gpio_init(struct at91_gpio_bank *, int nr_banks); extern void __init at91_gpio_irq_setup(void); -extern void (*at91_arch_reset)(void); extern int at91_extern_irq; diff --git a/arch/arm/mach-at91/include/mach/system.h b/arch/arm/mach-at91/include/mach/system.h index 36af14bc13bb..079eb12b073f 100644 --- a/arch/arm/mach-at91/include/mach/system.h +++ b/arch/arm/mach-at91/include/mach/system.h @@ -47,13 +47,8 @@ static inline void arch_idle(void) #endif } -void (*at91_arch_reset)(void); - static inline void arch_reset(char mode, const char *cmd) { - /* call the CPU-specific reset function */ - if (at91_arch_reset) - (at91_arch_reset)(); } #endif -- cgit v1.2.3