diff options
Diffstat (limited to 'drivers/mmc/omap3_mmc.c')
| -rw-r--r-- | drivers/mmc/omap3_mmc.c | 50 |
1 files changed, 45 insertions, 5 deletions
diff --git a/drivers/mmc/omap3_mmc.c b/drivers/mmc/omap3_mmc.c index 96c0e65..9506cca 100644 --- a/drivers/mmc/omap3_mmc.c +++ b/drivers/mmc/omap3_mmc.c @@ -30,7 +30,8 @@ #include <i2c.h> #include <twl4030.h> #include <asm/io.h> -#include <asm/arch/mmc.h> + +#include "omap3_mmc.h" const unsigned short mmc_transspeed_val[15][4] = { {CLKD(10, 1), CLKD(10, 10), CLKD(10, 100), CLKD(10, 1000)}, @@ -52,7 +53,27 @@ const unsigned short mmc_transspeed_val[15][4] = { mmc_card_data cur_card_data; static block_dev_desc_t mmc_blk_dev; -static hsmmc_t *mmc_base = (hsmmc_t *)OMAP_HSMMC_BASE; +static hsmmc_t *mmc_base = (hsmmc_t *)OMAP_HSMMC1_BASE; + +int mmc_set_dev(int dev_num) +{ + switch (dev_num) { + case 1: + mmc_base = (hsmmc_t *)OMAP_HSMMC1_BASE; + break; + case 2: + mmc_base = (hsmmc_t *)OMAP_HSMMC2_BASE; + break; + case 3: + mmc_base = (hsmmc_t *)OMAP_HSMMC3_BASE; + break; + default: + mmc_base = (hsmmc_t *)OMAP_HSMMC1_BASE; + return 1; + } + + return 0; +} block_dev_desc_t *mmc_get_dev(int dev) { @@ -61,12 +82,14 @@ block_dev_desc_t *mmc_get_dev(int dev) unsigned char mmc_board_init(void) { - t2_t *t2_base = (t2_t *)T2_BASE; - #if defined(CONFIG_TWL4030_POWER) twl4030_power_mmc_init(); #endif +#if defined(CONFIG_OMAP34XX) + t2_t *t2_base = (t2_t *)T2_BASE; + struct prcm *prcm_base = (struct prcm *)PRCM_BASE; + writel(readl(&t2_base->pbias_lite) | PBIASLITEPWRDNZ1 | PBIASSPEEDCTRL0 | PBIASLITEPWRDNZ0, &t2_base->pbias_lite); @@ -74,6 +97,20 @@ unsigned char mmc_board_init(void) writel(readl(&t2_base->devconf0) | MMCSDIO1ADPCLKISEL, &t2_base->devconf0); + writel(readl(&t2_base->devconf1) | MMCSDIO2ADPCLKISEL, + &t2_base->devconf1); + + writel(readl(&prcm_base->fclken1_core) | + EN_MMC1 | EN_MMC2 | EN_MMC3, + &prcm_base->fclken1_core); + + writel(readl(&prcm_base->iclken1_core) | + EN_MMC1 | EN_MMC2 | EN_MMC3, + &prcm_base->iclken1_core); +#endif + +/* TODO add appropriate OMAP4 init */ + return 1; } @@ -512,8 +549,11 @@ unsigned long mmc_bread(int dev_num, unsigned long blknr, lbaint_t blkcnt, return 1; } -int mmc_legacy_init(int verbose) +int mmc_legacy_init(int dev) { + if (mmc_set_dev(dev) != 0) + return 1; + if (configure_mmc(&cur_card_data) != 1) return 1; |