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da830: add MMC support

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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>
This commit is contained in:
Vishwanathrao Badarkhe, Manish 2013-05-22 03:38:48 +00:00 committed by Tom Rini
parent e9090fa45a
commit 03e08d7cf6
2 changed files with 70 additions and 2 deletions
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48
board/davinci/da8xxevm/da830evm.c
View File

@ -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

24
include/configs/da830evm.h
View File

@ -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