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-rw-r--r--drivers/mmc/omap3_mmc.c13
-rw-r--r--drivers/power/twl4030.c15
-rw-r--r--include/configs/omap3_evm.h5
-rw-r--r--include/twl4030.h3
4 files changed, 25 insertions, 11 deletions
diff --git a/drivers/mmc/omap3_mmc.c b/drivers/mmc/omap3_mmc.c
index e90db7e..9e09434 100644
--- a/drivers/mmc/omap3_mmc.c
+++ b/drivers/mmc/omap3_mmc.c
@@ -28,6 +28,7 @@
#include <mmc.h>
#include <part.h>
#include <i2c.h>
+#include <twl4030.h>
#include <asm/io.h>
#include <asm/arch/mmc.h>
@@ -58,21 +59,11 @@ block_dev_desc_t *mmc_get_dev(int dev)
return (block_dev_desc_t *) &mmc_blk_dev;
}
-void twl4030_mmc_config(void)
-{
- unsigned char data;
-
- data = DEV_GRP_P1;
- i2c_write(PWRMGT_ADDR_ID4, VMMC1_DEV_GRP, 1, &data, 1);
- data = VMMC1_VSEL_30;
- i2c_write(PWRMGT_ADDR_ID4, VMMC1_DEDICATED, 1, &data, 1);
-}
-
unsigned char mmc_board_init(void)
{
t2_t *t2_base = (t2_t *)T2_BASE;
- twl4030_mmc_config();
+ twl4030_power_mmc_init();
writel(readl(&t2_base->pbias_lite) | PBIASLITEPWRDNZ1 |
PBIASSPEEDCTRL0 | PBIASLITEPWRDNZ0,
diff --git a/drivers/power/twl4030.c b/drivers/power/twl4030.c
index c93b51f..eb066cb 100644
--- a/drivers/power/twl4030.c
+++ b/drivers/power/twl4030.c
@@ -98,3 +98,18 @@ void twl4030_power_init(void)
TWL4030_PM_RECEIVER_VDAC_DEDICATED);
}
+#define VMMC1_VSEL_30 0x02
+
+void twl4030_power_mmc_init(void)
+{
+ unsigned char byte;
+
+ byte = DEV_GRP_P1;
+ twl4030_i2c_write_u8(TWL4030_CHIP_PM_RECEIVER, byte,
+ TWL4030_PM_RECEIVER_VMMC1_DEV_GRP);
+
+ /* 3 Volts */
+ byte = VMMC1_VSEL_30;
+ twl4030_i2c_write_u8(TWL4030_CHIP_PM_RECEIVER, byte,
+ TWL4030_PM_RECEIVER_VMMC1_DEDICATED);
+}
diff --git a/include/configs/omap3_evm.h b/include/configs/omap3_evm.h
index 3d9d72c..809198b 100644
--- a/include/configs/omap3_evm.h
+++ b/include/configs/omap3_evm.h
@@ -128,6 +128,11 @@
#define CONFIG_DRIVER_OMAP34XX_I2C 1
/*
+ * TWL4030
+ */
+#define CONFIG_TWL4030_POWER 1
+
+/*
* Board NAND Info.
*/
#define CONFIG_SYS_NAND_ADDR NAND_BASE /* physical address */
diff --git a/include/twl4030.h b/include/twl4030.h
index eb27ec5..f260ecb 100644
--- a/include/twl4030.h
+++ b/include/twl4030.h
@@ -390,6 +390,9 @@ static inline int twl4030_i2c_read_u8(u8 chip_no, u8 *val, u8 reg)
void twl4030_power_reset_init(void);
/* For initializing power device */
void twl4030_power_init(void);
+/* For initializing mmc power */
+void twl4030_power_mmc_init(void);
+
/*
* LED
*/