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.rai...@hale.at>
---
board/hale/tt01/tt01.c | 32 ++++++++++++++++++++++++++++++--
include/configs/tt01.h | 12 ++++++++++++
2 files changed, 42 insertions(+), 2 deletions(-)
diff --git a/board/hale/tt01/tt01.c b/board/hale/tt01/tt01.c
index 2995c8f..4b6e770 100644
--- a/board/hale/tt01/tt01.c
+++ b/board/hale/tt01/tt01.c
@@ -175,8 +175,6 @@ int board_init(void)
int board_late_init(void)
{
- pmic_init();
-
#ifdef CONFIG_HW_WATCHDOG
mxc_hw_watchdog_enable();
#endif
@@ -190,6 +188,36 @@ 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, bit 18 is the VMMC1 enable */
+ if (pmic_reg_read(p, 33, &val) < 0)
+ pmic_reg_write(p, 33, val | 0x040000);
+
+ return mxc_mmc_init(bis);
+}
+#endif
+
int board_eth_init(bd_t *bis)
{
int rc = 0;
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
--
1.7.4.4
--
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