| Message ID | 1354714297-11568-5-git-send-email-amarendra.xt@samsung.com |
|---|---|
| State | New |
| Headers | show |
On 12/05/2012 10:31 PM, Amar wrote: > This patch initialises and enables dwmmc channels 0 and 2 for SMDK5250. > It also initialises the pinmux for the same. > > Signed-off-by: Amarendra Reddy <amarendra.xt@samsung.com> > --- > board/samsung/smdk5250/smdk5250.c | 22 +++++++++++++++++++++- > include/configs/smdk5250.h | 4 ++-- > 2 files changed, 23 insertions(+), 3 deletions(-) > > diff --git a/board/samsung/smdk5250/smdk5250.c b/board/samsung/smdk5250/smdk5250.c > index 4c50342..9503510 100644 > --- a/board/samsung/smdk5250/smdk5250.c > +++ b/board/samsung/smdk5250/smdk5250.c > @@ -26,6 +26,7 @@ > #include <netdev.h> > #include <spi.h> > #include <asm/arch/cpu.h> > +#include <asm/arch/dwmmc.h> > #include <asm/arch/gpio.h> > #include <asm/arch/mmc.h> > #include <asm/arch/pinmux.h> > @@ -139,13 +140,32 @@ int board_mmc_init(bd_t *bis) > { > int err; > > + err = exynos_pinmux_config(PERIPH_ID_SDMMC2, PINMUX_FLAG_NONE); > + if (err) { > + debug("SDMMC2 not configured\n"); > + return err; > + } If return error, we didn't need to initialize the MMC0? And why do you initialize the MMC2 before initialized MMC0? I didn't test the this patch, but i think if you inserted SD-card, it didn't work well. > + > + /*SD: dwmmc Channel-2 with 4 bit bus width */ > + err = exynos_dwmmc_init(2, 4); > + if (err) { > + debug("dwmmc Channel-2 init failed\n"); > + return err; > + } > + > err = exynos_pinmux_config(PERIPH_ID_SDMMC0, PINMUX_FLAG_8BIT_MODE); > if (err) { > debug("SDMMC0 not configured\n"); > return err; > } > > - err = s5p_mmc_init(0, 8); > + /*eMMC: dwmmc Channel-0 with 8 bit bus width */ > + err = exynos_dwmmc_init(0, 8); > + if (err) { > + debug("dwmmc Channel-0 init failed\n"); > + return err; > + } > + > return err; > } > #endif > diff --git a/include/configs/smdk5250.h b/include/configs/smdk5250.h > index e412da8..7dc2d96 100644 > --- a/include/configs/smdk5250.h > +++ b/include/configs/smdk5250.h > @@ -77,8 +77,8 @@ > /* SD/MMC configuration */ > #define CONFIG_GENERIC_MMC > #define CONFIG_MMC > -#define CONFIG_SDHCI > -#define CONFIG_S5P_SDHCI > +#define CONFIG_DWMMC > +#define CONFIG_EXYNOS_DWMMC > > #define CONFIG_BOARD_EARLY_INIT_F > >
diff --git a/board/samsung/smdk5250/smdk5250.c b/board/samsung/smdk5250/smdk5250.c index 4c50342..9503510 100644 --- a/board/samsung/smdk5250/smdk5250.c +++ b/board/samsung/smdk5250/smdk5250.c @@ -26,6 +26,7 @@ #include <netdev.h> #include <spi.h> #include <asm/arch/cpu.h> +#include <asm/arch/dwmmc.h> #include <asm/arch/gpio.h> #include <asm/arch/mmc.h> #include <asm/arch/pinmux.h> @@ -139,13 +140,32 @@ int board_mmc_init(bd_t *bis) { int err; + err = exynos_pinmux_config(PERIPH_ID_SDMMC2, PINMUX_FLAG_NONE); + if (err) { + debug("SDMMC2 not configured\n"); + return err; + } + + /*SD: dwmmc Channel-2 with 4 bit bus width */ + err = exynos_dwmmc_init(2, 4); + if (err) { + debug("dwmmc Channel-2 init failed\n"); + return err; + } + err = exynos_pinmux_config(PERIPH_ID_SDMMC0, PINMUX_FLAG_8BIT_MODE); if (err) { debug("SDMMC0 not configured\n"); return err; } - err = s5p_mmc_init(0, 8); + /*eMMC: dwmmc Channel-0 with 8 bit bus width */ + err = exynos_dwmmc_init(0, 8); + if (err) { + debug("dwmmc Channel-0 init failed\n"); + return err; + } + return err; } #endif diff --git a/include/configs/smdk5250.h b/include/configs/smdk5250.h index e412da8..7dc2d96 100644 --- a/include/configs/smdk5250.h +++ b/include/configs/smdk5250.h @@ -77,8 +77,8 @@ /* SD/MMC configuration */ #define CONFIG_GENERIC_MMC #define CONFIG_MMC -#define CONFIG_SDHCI -#define CONFIG_S5P_SDHCI +#define CONFIG_DWMMC +#define CONFIG_EXYNOS_DWMMC #define CONFIG_BOARD_EARLY_INIT_F
This patch initialises and enables dwmmc channels 0 and 2 for SMDK5250. It also initialises the pinmux for the same. Signed-off-by: Amarendra Reddy <amarendra.xt@samsung.com> --- board/samsung/smdk5250/smdk5250.c | 22 +++++++++++++++++++++- include/configs/smdk5250.h | 4 ++-- 2 files changed, 23 insertions(+), 3 deletions(-)