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DaVinci DM365: Adding MMC/SD support for DM365 EVM 

The patch adds support for MMC/SD in the DM365 EVM

Signed-off-by: Sandeep Paulraj <s-paulraj@ti.com>
This commit is contained in:
Sandeep Paulraj 2010-12-18 18:15:25 -05:00 committed by Albert Aribaud
parent 073eacf0c6
commit e3e4e2f414
2 changed files with 71 additions and 0 deletions
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49
board/davinci/dm365evm/dm365evm.c
View File

@ -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

22
include/configs/davinci_dm365evm.h
View File

@ -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"