diff options
| -rw-r--r-- | arch/arm/include/asm/arch-s5pc1xx/mmc.h | 2 | ||||
| -rw-r--r-- | board/samsung/goni/goni.c | 2 | ||||
| -rw-r--r-- | drivers/mmc/s5p_mmc.c | 19 |
3 files changed, 16 insertions, 7 deletions
diff --git a/arch/arm/include/asm/arch-s5pc1xx/mmc.h b/arch/arm/include/asm/arch-s5pc1xx/mmc.h index 68c59d13e..48de64d9c 100644 --- a/arch/arm/include/asm/arch-s5pc1xx/mmc.h +++ b/arch/arm/include/asm/arch-s5pc1xx/mmc.h @@ -65,7 +65,7 @@ struct mmc_host { unsigned int clock; /* Current clock (MHz) */ }; -int s5p_mmc_init(int dev_index); +int s5p_mmc_init(int dev_index, int bus_width); #endif /* __ASSEMBLY__ */ #endif diff --git a/board/samsung/goni/goni.c b/board/samsung/goni/goni.c index 433672911..0b09ebaf8 100644 --- a/board/samsung/goni/goni.c +++ b/board/samsung/goni/goni.c @@ -87,6 +87,6 @@ int board_mmc_init(bd_t *bis) gpio_set_drv(&s5pc110_gpio->g0, i, GPIO_DRV_4X); } - return s5p_mmc_init(0); + return s5p_mmc_init(0, 4); } #endif diff --git a/drivers/mmc/s5p_mmc.c b/drivers/mmc/s5p_mmc.c index 1fd425cbb..195b5be39 100644 --- a/drivers/mmc/s5p_mmc.c +++ b/drivers/mmc/s5p_mmc.c @@ -352,11 +352,16 @@ static void mmc_set_ios(struct mmc *mmc) ctrl = readb(&host->reg->hostctl); /* + * WIDE8[5] + * 0 = Depend on WIDE4 + * 1 = 8-bit mode * WIDE4[1] * 1 = 4-bit mode * 0 = 1-bit mode */ - if (mmc->bus_width == 4) + if (mmc->bus_width == 8) + ctrl |= (1 << 5); + else if (mmc->bus_width == 4) ctrl |= (1 << 1); else ctrl &= ~(1 << 1); @@ -437,7 +442,7 @@ static int mmc_core_init(struct mmc *mmc) return 0; } -static int s5p_mmc_initialize(int dev_index) +static int s5p_mmc_initialize(int dev_index, int bus_width) { struct mmc *mmc; @@ -450,7 +455,11 @@ static int s5p_mmc_initialize(int dev_index) mmc->init = mmc_core_init; mmc->voltages = MMC_VDD_32_33 | MMC_VDD_33_34 | MMC_VDD_165_195; - mmc->host_caps = MMC_MODE_4BIT | MMC_MODE_HS_52MHz | MMC_MODE_HS; + if (bus_width == 8) + mmc->host_caps = MMC_MODE_8BIT; + else + mmc->host_caps = MMC_MODE_4BIT; + mmc->host_caps |= MMC_MODE_HS_52MHz | MMC_MODE_HS; mmc->f_min = 400000; mmc->f_max = 52000000; @@ -462,7 +471,7 @@ static int s5p_mmc_initialize(int dev_index) return 0; } -int s5p_mmc_init(int dev_index) +int s5p_mmc_init(int dev_index, int bus_width) { - return s5p_mmc_initialize(dev_index); + return s5p_mmc_initialize(dev_index, bus_width); } |