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Diffstat (limited to 'drivers/mmc')
-rw-r--r--drivers/mmc/omap_hsmmc.c16
1 files changed, 11 insertions, 5 deletions
diff --git a/drivers/mmc/omap_hsmmc.c b/drivers/mmc/omap_hsmmc.c
index 2400db2f35..2b12929576 100644
--- a/drivers/mmc/omap_hsmmc.c
+++ b/drivers/mmc/omap_hsmmc.c
@@ -62,15 +62,21 @@ static void omap4_vmmc_pbias_config(struct mmc *mmc)
unsigned char mmc_board_init(struct mmc *mmc)
{
-#if defined(CONFIG_TWL4030_POWER)
- twl4030_power_mmc_init();
-#endif
-
#if defined(CONFIG_OMAP34XX)
t2_t *t2_base = (t2_t *)T2_BASE;
struct prcm *prcm_base = (struct prcm *)PRCM_BASE;
+ u32 pbias_lite;
- writel(readl(&t2_base->pbias_lite) | PBIASLITEPWRDNZ1 |
+ pbias_lite = readl(&t2_base->pbias_lite);
+ pbias_lite &= ~(PBIASLITEPWRDNZ1 | PBIASLITEPWRDNZ0);
+ writel(pbias_lite, &t2_base->pbias_lite);
+#endif
+#if defined(CONFIG_TWL4030_POWER)
+ twl4030_power_mmc_init();
+ mdelay(100); /* ramp-up delay from Linux code */
+#endif
+#if defined(CONFIG_OMAP34XX)
+ writel(pbias_lite | PBIASLITEPWRDNZ1 |
PBIASSPEEDCTRL0 | PBIASLITEPWRDNZ0,
&t2_base->pbias_lite);