diff options
| author | Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com> | 2012-02-13 12:58:53 +0800 |
|---|---|---|
| committer | Nicolas Ferre <nicolas.ferre@atmel.com> | 2012-02-23 14:57:56 +0100 |
| commit | f363c407b42c467d06675c852e55f26adb959915 (patch) | |
| tree | 695ffaf47ee7db5adfa9dd23976b5df77bd738c5 /arch/arm/mach-at91/pm.c | |
| parent | 1a269ade22bb65d0afc0d20e0a19602453fae04a (diff) | |
ARM: at91: make sdram/ddr register base soc independent
Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
Acked-by: Nicolas Ferre <nicolas.ferre@atmel.com>
Diffstat (limited to 'arch/arm/mach-at91/pm.c')
| -rw-r--r-- | arch/arm/mach-at91/pm.c | 27 |
1 files changed, 13 insertions, 14 deletions
diff --git a/arch/arm/mach-at91/pm.c b/arch/arm/mach-at91/pm.c index 8046a50a0c2..46dbb7e1339 100644 --- a/arch/arm/mach-at91/pm.c +++ b/arch/arm/mach-at91/pm.c @@ -196,19 +196,18 @@ extern u32 at91_slow_clock_sz; #endif static void __iomem *at91_pmc_base = (void __iomem*)(AT91_VA_BASE_SYS + AT91_PMC); -#ifdef CONFIG_ARCH_AT91RM9200 -static void __iomem *at91_ramc0_base = (void __iomem*)AT91_VA_BASE_SYS; -#elif defined(CONFIG_ARCH_AT91SAM9G45) -static void __iomem *at91_ramc0_base = (void __iomem*)(AT91_VA_BASE_SYS + AT91_DDRSDRC0); -#else -static void __iomem *at91_ramc0_base = (void __iomem*)(AT91_VA_BASE_SYS + AT91_SDRAMC0); -#endif +void __iomem *at91_ramc_base[2]; -#if defined(CONFIG_ARCH_AT91SAM9G45) -static void __iomem *at91_ramc1_base = (void __iomem*)(AT91_VA_BASE_SYS + AT91_DDRSDRC1); -#else -static void __iomem *at91_ramc1_base = NULL; -#endif +void __init at91_ioremap_ramc(int id, u32 addr, u32 size) +{ + if (id < 0 || id > 1) { + pr_emerg("Wrong RAM controller id (%d), cannot continue\n", id); + BUG(); + } + at91_ramc_base[id] = ioremap(addr, size); + if (!at91_ramc_base[id]) + panic("Impossible to ioremap ramc.%d 0x%x\n", id, addr); +} static int at91_pm_enter(suspend_state_t state) { @@ -246,7 +245,7 @@ static int at91_pm_enter(suspend_state_t state) /* copy slow_clock handler to SRAM, and call it */ memcpy(slow_clock, at91_slow_clock, at91_slow_clock_sz); #endif - slow_clock(at91_pmc_base, at91_ramc0_base, at91_ramc1_base); + slow_clock(at91_pmc_base, at91_ramc_base[0], at91_ramc_base[1]); break; } else { pr_info("AT91: PM - no slow clock mode enabled ...\n"); @@ -315,7 +314,7 @@ static int __init at91_pm_init(void) #ifdef CONFIG_ARCH_AT91RM9200 /* AT91RM9200 SDRAM low-power mode cannot be used with self-refresh. */ - at91_sys_write(AT91RM9200_SDRAMC_LPR, 0); + at91_ramc_write(0, AT91RM9200_SDRAMC_LPR, 0); #endif suspend_set_ops(&at91_pm_ops); |