diff options
Diffstat (limited to 'arch/arm/mach-davinci/devices.c')
| -rw-r--r-- | arch/arm/mach-davinci/devices.c | 32 |
1 files changed, 21 insertions, 11 deletions
diff --git a/arch/arm/mach-davinci/devices.c b/arch/arm/mach-davinci/devices.c index 50c0156b4262..d2f9666284a7 100644 --- a/arch/arm/mach-davinci/devices.c +++ b/arch/arm/mach-davinci/devices.c @@ -23,6 +23,7 @@ #include <mach/mmc.h> #include <mach/time.h> +#include "davinci.h" #include "clock.h" #define DAVINCI_I2C_BASE 0x01C21000 @@ -33,8 +34,19 @@ #define DM365_MMCSD0_BASE 0x01D11000 #define DM365_MMCSD1_BASE 0x01D00000 -/* System control register offsets */ -#define DM64XX_VDD3P3V_PWDN 0x48 +void __iomem *davinci_sysmod_base; + +void davinci_map_sysmod(void) +{ + davinci_sysmod_base = ioremap_nocache(DAVINCI_SYSTEM_MODULE_BASE, + 0x800); + /* + * Throw a bug since a lot of board initialization code depends + * on system module availability. ioremap() failing this early + * need careful looking into anyway. + */ + BUG_ON(!davinci_sysmod_base); +} static struct resource i2c_resources[] = { { @@ -212,12 +224,12 @@ void __init davinci_setup_mmc(int module, struct davinci_mmc_config *config) davinci_cfg_reg(DM355_SD1_DATA2); davinci_cfg_reg(DM355_SD1_DATA3); } else if (cpu_is_davinci_dm365()) { - void __iomem *pupdctl1 = - IO_ADDRESS(DAVINCI_SYSTEM_MODULE_BASE + 0x7c); - /* Configure pull down control */ - __raw_writel((__raw_readl(pupdctl1) & ~0xfc0), - pupdctl1); + unsigned v; + + v = __raw_readl(DAVINCI_SYSMOD_VIRT(SYSMOD_PUPDCTL1)); + __raw_writel(v & ~0xfc0, + DAVINCI_SYSMOD_VIRT(SYSMOD_PUPDCTL1)); mmcsd1_resources[0].start = DM365_MMCSD1_BASE; mmcsd1_resources[0].end = DM365_MMCSD1_BASE + @@ -246,11 +258,9 @@ void __init davinci_setup_mmc(int module, struct davinci_mmc_config *config) mmcsd0_resources[2].start = IRQ_DM365_SDIOINT0; } else if (cpu_is_davinci_dm644x()) { /* REVISIT: should this be in board-init code? */ - void __iomem *base = - IO_ADDRESS(DAVINCI_SYSTEM_MODULE_BASE); - /* Power-on 3.3V IO cells */ - __raw_writel(0, base + DM64XX_VDD3P3V_PWDN); + __raw_writel(0, + DAVINCI_SYSMOD_VIRT(SYSMOD_VDD3P3VPWDN)); /*Set up the pull regiter for MMC */ davinci_cfg_reg(DM644X_MSTK); } |