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DaVinci DM355: Adding MMC/SD support for DM355 EVM 

The patch adds support for MMC/SD in the DM355 EVM

Signed-off-by: Sandeep Paulraj <s-paulraj@ti.com>
This commit is contained in:
Sandeep Paulraj 2010-12-18 18:14:49 -05:00 committed by Albert Aribaud
parent 57418d2139
commit 073eacf0c6
2 changed files with 63 additions and 0 deletions
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41
board/davinci/dm355evm/dm355evm.c
View File

@ -25,6 +25,10 @@
#include <asm/arch/davinci_misc.h>
#include <net.h>
#include <netdev.h>
#ifdef CONFIG_DAVINCI_MMC
#include <mmc.h>
#include <asm/arch/sdmmc_defs.h>
#endif
DECLARE_GLOBAL_DATA_PTR;
@ -114,3 +118,40 @@ int board_nand_init(struct nand_chip *nand)
}
#endif
#ifdef CONFIG_DAVINCI_MMC
static struct davinci_mmc mmc_sd0 = {
.reg_base = (struct davinci_mmc_regs *)DAVINCI_MMC_SD0_BASE,
.input_clk = 108000000,
.host_caps = MMC_MODE_4BIT,
.voltages = MMC_VDD_32_33 | MMC_VDD_33_34,
.version = MMC_CTLR_VERSION_1,
};
#ifdef CONFIG_DAVINCI_MMC_SD1
static struct davinci_mmc mmc_sd1 = {
.reg_base = (struct davinci_mmc_regs *)DAVINCI_MMC_SD1_BASE,
.input_clk = 108000000,
.host_caps = MMC_MODE_4BIT,
.voltages = MMC_VDD_32_33 | MMC_VDD_33_34,
.version = MMC_CTLR_VERSION_1,
};
#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
/* Add slot-1 to mmc subsystem */
err = davinci_mmc_init(bis, &mmc_sd1);
#endif
return err;
}
#endif

22
include/configs/davinci_dm355evm.h
View File

@ -76,6 +76,13 @@
#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
/* USB: OTG connector */
/* NYET -- #define CONFIG_USB_DAVINCI */
@ -93,6 +100,13 @@
#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
@ -134,6 +148,14 @@
#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 5
#define CONFIG_BOOTCOMMAND \
"dhcp;bootm"