[U-Boot] [PATCH 2/2] tt01: add MMC support

[Helmut Raiger]

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 at hale.at>
---
 V2: pmic_reg_(read|write) use constants from fsl_pmic.h now

 board/hale/tt01/tt01.c |   54 ++++++++++++++++++++++++++++++++++++++++++++++-
 include/configs/tt01.h |   12 ++++++++++
 2 files changed, 64 insertions(+), 2 deletions(-)

diff --git a/board/hale/tt01/tt01.c b/board/hale/tt01/tt01.c
index 2995c8f..10f4548 100644
--- a/board/hale/tt01/tt01.c
+++ b/board/hale/tt01/tt01.c
@@ -26,6 +26,7 @@
 #include <netdev.h>
 #include <command.h>
 #include <pmic.h>
+#include <fsl_pmic.h>
 #include <asm/arch/clock.h>
 #include <asm/arch/sys_proto.h>
 #include <asm/io.h>
@@ -175,8 +176,6 @@ int board_init(void)
 
 int board_late_init(void)
 {
-	pmic_init();
-
 #ifdef CONFIG_HW_WATCHDOG
 	mxc_hw_watchdog_enable();
 #endif
@@ -190,6 +189,36 @@ 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 +227,24 @@ 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
-- 
1.7.4.4



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