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 --- V3: moved change from fsl_pmic.h to mc13783.h (mc13892 differs!) V2: pmic_reg_(read|write) use constants from fsl_pmic.h now
board/hale/tt01/tt01.c | 55 ++++++++++++++++++++++++++++++++++++++++++++++- include/configs/tt01.h | 12 ++++++++++ 2 files changed, 65 insertions(+), 2 deletions(-)
diff --git a/board/hale/tt01/tt01.c b/board/hale/tt01/tt01.c index 2995c8f..bcbe5ec 100644 --- a/board/hale/tt01/tt01.c +++ b/board/hale/tt01/tt01.c @@ -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; @@ -198,3 +228,24 @@ int board_eth_init(bd_t *bis) #endif return rc; } + +#ifdef CONFIG_CONSOLE_EXTRA_INFO +void video_get_info_str(int line_number, char *info) +{ + u32 srev = get_cpu_rev(); + + switch (line_number) { + case 2: + sprintf(info, " CPU : Freescale i.MX31 rev %d.%d%s at %d MHz", + (srev & 0xF0) >> 4, (srev & 0x0F), + ((srev & 0x8000) ? " unknown" : ""), + mxc_get_clock(MXC_ARM_CLK) / 1000000); + break; + case 3: + strcpy(info, " " BOARD_STRING); + break; + default: + info[0] = 0; + } +} +#endif diff --git a/include/configs/tt01.h b/include/configs/tt01.h index a553712..6846816 100644 --- a/include/configs/tt01.h +++ b/include/configs/tt01.h @@ -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 #define CONFIG_SYS_NAND_MAX_CHIPS 1