Add MMC support for da830 boards in order to perform mmc operations(read,write and erase).
Signed-off-by: Vishwanathrao Badarkhe, Manish manishv.b@ti.com --- :100644 100644 c45c94b... bf014ae... M board/davinci/da8xxevm/da830evm.c :100644 100644 198892b... 28995a0... M include/configs/da830evm.h board/davinci/da8xxevm/da830evm.c | 48 +++++++++++++++++++++++++++++++++++++ include/configs/da830evm.h | 24 +++++++++++++++++- 2 files changed, 70 insertions(+), 2 deletions(-)
diff --git a/board/davinci/da8xxevm/da830evm.c b/board/davinci/da8xxevm/da830evm.c index c45c94b..bf014ae 100644 --- a/board/davinci/da8xxevm/da830evm.c +++ b/board/davinci/da8xxevm/da830evm.c @@ -44,6 +44,11 @@ #include <asm/arch/nand_defs.h> #include <asm/arch/davinci_misc.h>
+#ifdef CONFIG_DAVINCI_MMC +#include <mmc.h> +#include <asm/arch/sdmmc_defs.h> +#endif + DECLARE_GLOBAL_DATA_PTR;
/* SPI0 pin muxer settings */ @@ -153,6 +158,23 @@ static const struct pinmux_config usb_pins[] = { { pinmux(9), 1, 1 } };
+#ifdef CONFIG_DAVINCI_MMC +/* MMC0 pin muxer settings */ +const struct pinmux_config mmc0_pins[] = { + { pinmux(15), 2, 7 }, /* MMCSD0_CLK */ + { pinmux(16), 2, 0 }, /* MMCSD0_CMD */ + { pinmux(13), 2, 6 }, /* MMCSD0_DAT_0 */ + { pinmux(13), 2, 7 }, /* MMCSD0_DAT_1 */ + { pinmux(14), 2, 0 }, /* MMCSD0_DAT_2 */ + { pinmux(14), 2, 1 }, /* MMCSD0_DAT_3 */ + { pinmux(14), 2, 2 }, /* MMCSD0_DAT_4 */ + { pinmux(14), 2, 3 }, /* MMCSD0_DAT_5 */ + { pinmux(14), 2, 4 }, /* MMCSD0_DAT_6 */ + { pinmux(14), 2, 5 }, /* MMCSD0_DAT_7 */ + /* DA830 supports 8-bit mode */ +}; +#endif + static const struct pinmux_resource pinmuxes[] = { #ifdef CONFIG_SPI_FLASH PINMUX_ITEM(spi0_pins), @@ -169,6 +191,9 @@ static const struct pinmux_resource pinmuxes[] = { #if defined(CONFIG_DRIVER_TI_EMAC) PINMUX_ITEM(emac_pins), #endif +#ifdef CONFIG_DAVINCI_MMC + PINMUX_ITEM(mmc0_pins), +#endif };
static const struct lpsc_resource lpsc[] = { @@ -177,8 +202,31 @@ static const struct lpsc_resource lpsc[] = { { DAVINCI_LPSC_EMAC }, /* image download */ { DAVINCI_LPSC_UART2 }, /* console */ { DAVINCI_LPSC_GPIO }, +#ifdef CONFIG_DAVINCI_MMC + { DAVINCI_LPSC_MMC_SD }, +#endif + };
+#ifdef CONFIG_DAVINCI_MMC +static struct davinci_mmc mmc_sd0 = { + .reg_base = (struct davinci_mmc_regs *)DAVINCI_MMC_SD0_BASE, + .host_caps = MMC_MODE_8BIT, + .voltages = MMC_VDD_32_33 | MMC_VDD_33_34, + .version = MMC_CTLR_VERSION_2, +}; + +int board_mmc_init(bd_t *bis) +{ + mmc_sd0.input_clk = clk_get(DAVINCI_MMCSD_CLKID); + + printf("%x\n", mmc_sd0.input_clk); + + /* Add slot-0 to mmc subsystem */ + return davinci_mmc_init(bis, &mmc_sd0); +} +#endif + int board_init(void) { #ifndef CONFIG_USE_IRQ diff --git a/include/configs/da830evm.h b/include/configs/da830evm.h index 198892b..28995a0 100644 --- a/include/configs/da830evm.h +++ b/include/configs/da830evm.h @@ -226,6 +226,28 @@ #define CONFIG_CMD_SAVEENV #endif
+/* SD/MMC configuration */ +#ifndef CONFIG_USE_NAND +#define CONFIG_MMC +#define CONFIG_DAVINCI_MMC_SD1 +#define CONFIG_GENERIC_MMC +#define CONFIG_DAVINCI_MMC +#endif + +/* + * Enable MMC commands only when + * MMC support is present + */ +#if defined(CONFIG_MMC) || defined(CONFIG_USB_DA8XX) +#define CONFIG_DOS_PARTITION /* include support for FAT/storage */ +#define CONFIG_CMD_FAT /* include support for FAT cmd */ +#endif + +#ifdef CONFIG_MMC +#define CONFIG_CMD_MMC +#define CONFIG_CMD_EXT2 +#endif + #if !defined(CONFIG_USE_NAND) && \ !defined(CONFIG_USE_NOR) && \ !defined(CONFIG_USE_SPIFLASH) @@ -244,8 +266,6 @@
#define CONFIG_USB_STORAGE /* MSC class support */ #define CONFIG_CMD_STORAGE /* inclue support for usb-storage cmd */ -#define CONFIG_CMD_FAT /* inclue support for FAT/storage */ -#define CONFIG_DOS_PARTITION /* inclue support for FAT/storage */
#ifdef CONFIG_USB_KEYBOARD /* HID class support */ #define CONFIG_SYS_USB_EVENT_POLL