From: Sandeep Paulraj s-paulraj@ti.com
The patch adds support for MMC/SD in the DM365 EVM
Signed-off-by: Sandeep Paulraj s-paulraj@ti.com --- board/davinci/dm365evm/dm365evm.c | 49 ++++++++++++++++++++++++++++++++++++ include/configs/davinci_dm365evm.h | 22 ++++++++++++++++ 2 files changed, 71 insertions(+), 0 deletions(-)
diff --git a/board/davinci/dm365evm/dm365evm.c b/board/davinci/dm365evm/dm365evm.c index bc681f7..5fb7611 100644 --- a/board/davinci/dm365evm/dm365evm.c +++ b/board/davinci/dm365evm/dm365evm.c @@ -25,6 +25,10 @@ #include <asm/arch/gpio_defs.h> #include <netdev.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;
@@ -101,3 +105,48 @@ int board_nand_init(struct nand_chip *nand) return 0; } #endif + +#ifdef CONFIG_DAVINCI_MMC +static struct davinci_mmc mmc_sd0 = { + .reg_base = (struct davinci_mmc_regs *)DAVINCI_MMC_SD0_BASE, + .input_clk = 121500000, + .host_caps = MMC_MODE_4BIT, + .voltages = MMC_VDD_32_33 | MMC_VDD_33_34, + .version = MMC_CTLR_VERSION_2, +}; + +#ifdef CONFIG_DAVINCI_MMC_SD1 +static struct davinci_mmc mmc_sd1 = { + .reg_base = (struct davinci_mmc_regs *)DAVINCI_MMC_SD1_BASE, + .input_clk = 121500000, + .host_caps = MMC_MODE_4BIT, + .voltages = MMC_VDD_32_33 | MMC_VDD_33_34, + .version = MMC_CTLR_VERSION_2, +}; +#endif + +int board_mmc_init(bd_t *bis) +{ + int err; + + /* Add slot-0 to mmc subsystem */ + err = davinci_mmc_init(bis, &mmc_sd0); + if (err) + return err; + +#ifdef CONFIG_DAVINCI_MMC_SD1 +#define PUPDCTL1 0x01c4007c + /* PINMUX(4)-DAT0-3/CMD; PINMUX(0)-CLK */ + writel((readl(PINMUX4) | 0x55400000), PINMUX4); + writel((readl(PINMUX0) | 0x00010000), PINMUX0); + + /* Configure MMC/SD pins as pullup */ + writel((readl(PUPDCTL1) & ~0x07c0), PUPDCTL1); + + /* Add slot-1 to mmc subsystem */ + err = davinci_mmc_init(bis, &mmc_sd1); +#endif + + return err; +} +#endif diff --git a/include/configs/davinci_dm365evm.h b/include/configs/davinci_dm365evm.h index a36e138..2825050 100644 --- a/include/configs/davinci_dm365evm.h +++ b/include/configs/davinci_dm365evm.h @@ -85,6 +85,13 @@ #define CONFIG_SYS_MAX_NAND_DEVICE 1 #define CONFIG_SYS_NAND_MAX_CHIPS 2
+/* SD/MMC */ +#define CONFIG_MMC +#define CONFIG_GENERIC_MMC +#define CONFIG_DAVINCI_MMC +#define CONFIG_DAVINCI_MMC_SD1 +#define CONFIG_MMC_MBLOCK + #define PINMUX4_USBDRVBUS_BITCLEAR 0x3000 #define PINMUX4_USBDRVBUS_BITSET 0x2000
@@ -137,6 +144,13 @@ #define CONFIG_CMD_PING #define CONFIG_CMD_SAVES
+#ifdef CONFIG_MMC +#define CONFIG_DOS_PARTITION +#define CONFIG_CMD_EXT2 +#define CONFIG_CMD_FAT +#define CONFIG_CMD_MMC +#endif + #ifdef CONFIG_NAND_DAVINCI #define CONFIG_CMD_MTDPARTS #define CONFIG_MTD_PARTITIONS @@ -168,6 +182,14 @@ #undef CONFIG_ENV_IS_IN_FLASH #endif
+#if defined(CONFIG_MMC) && !defined(CONFIG_ENV_IS_IN_NAND) +#define CONFIG_CMD_ENV +#define CONFIG_ENV_SIZE (16 << 10) /* 16 KiB */ +#define CONFIG_ENV_OFFSET (51 << 9) /* Sector 51 */ +#define CONFIG_ENV_IS_IN_MMC +#undef CONFIG_ENV_IS_IN_FLASH +#endif + #define CONFIG_BOOTDELAY 3 #define CONFIG_BOOTCOMMAND \ "dhcp;bootm"