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tt01: add MMC support 

board_mmc_init() initializes the pins of SDHC1 and
turns on V_MMC1 of the PMIC. Config adds support for EXT2
and FAT.

Signed-off-by: Helmut Raiger <helmut.raiger@hale.at>
utp
Helmut Raiger 2012-01-18 21:27:13 +00:00 committed by Albert ARIBAUD
parent c8eff0ff30
commit f353518ffb
2 changed files with 44 additions and 2 deletions
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34
board/hale/tt01/tt01.c
View File

@ -26,6 +26,8 @@
#include <netdev.h>
#include <command.h>
#include <pmic.h>
#include <fsl_pmic.h>
#include <mc13783.h>
#include <asm/arch/clock.h>
#include <asm/arch/sys_proto.h>
#include <asm/io.h>
@ -175,8 +177,6 @@ int board_init(void)
int board_late_init(void)
{
pmic_init();
#ifdef CONFIG_HW_WATCHDOG
mxc_hw_watchdog_enable();
#endif
@ -190,6 +190,36 @@ int checkboard(void)
return 0;
}
#ifdef CONFIG_MXC_MMC
int board_mmc_init(bd_t *bis)
{
u32 val;
struct pmic *p;
/*
* this is the first driver to use the pmic, so call
* pmic_init() here. board_late_init() is too late for
* the MMC driver.
*/
pmic_init();
p = get_pmic();
/* configure pins for SDHC1 only */
mx31_gpio_mux(IOMUX_MODE(MUX_CTL_SD1_CLK, MUX_CTL_FUNC));
mx31_gpio_mux(IOMUX_MODE(MUX_CTL_SD1_CMD, MUX_CTL_FUNC));
mx31_gpio_mux(IOMUX_MODE(MUX_CTL_SD1_DATA0, MUX_CTL_FUNC));
mx31_gpio_mux(IOMUX_MODE(MUX_CTL_SD1_DATA1, MUX_CTL_FUNC));
mx31_gpio_mux(IOMUX_MODE(MUX_CTL_SD1_DATA2, MUX_CTL_FUNC));
mx31_gpio_mux(IOMUX_MODE(MUX_CTL_SD1_DATA3, MUX_CTL_FUNC));
/* turn on power V_MMC1 */
if (pmic_reg_read(p, REG_MODE_1, &val) < 0)
pmic_reg_write(p, REG_MODE_1, val | VMMC1EN);
return mxc_mmc_init(bis);
}
#endif
int board_eth_init(bd_t *bis)
{
int rc = 0;

12
include/configs/tt01.h
View File

@ -180,6 +180,11 @@
#define CONFIG_SMC911X_BASE (CS4_BASE+0x200000)
#define CONFIG_SMC911X_16_BIT
/* mmc driver */
#define CONFIG_MMC
#define CONFIG_GENERIC_MMC
#define CONFIG_MXC_MMC
#define CONFIG_MXC_MCI_REGS_BASE SDHC1_BASE_ADDR
/*
* Command definition
*/
@ -229,6 +234,13 @@
#define CONFIG_CMDLINE_EDITING
/* MMC boot support */
#define CONFIG_CMD_MMC
#define CONFIG_DOS_PARTITION
#define CONFIG_EFI_PARTITION
#define CONFIG_CMD_EXT2
#define CONFIG_CMD_FAT
#define CONFIG_NAND_MXC
#define CONFIG_SYS_MAX_NAND_DEVICE 1