projects
/
oweals
/
u-boot.git
/ blobdiff
commit
grep
author
committer
pickaxe
?
search:
re
summary
|
shortlog
|
log
|
commit
|
commitdiff
|
tree
raw
|
inline
| side by side
drivers: mmc: omap_hsmmc: Fix IO Buffer on OMAP36xx
[oweals/u-boot.git]
/
drivers
/
mmc
/
omap_hsmmc.c
diff --git
a/drivers/mmc/omap_hsmmc.c
b/drivers/mmc/omap_hsmmc.c
index 5bb628d1250aed9c627f5a4d8963611387ceae09..b63ce565f2bf0b5aec21c40e898335ae3918e373 100644
(file)
--- a/
drivers/mmc/omap_hsmmc.c
+++ b/
drivers/mmc/omap_hsmmc.c
@@
-38,6
+38,7
@@
#include <asm/arch/sys_proto.h>
#endif
#include <dm.h>
#include <asm/arch/sys_proto.h>
#endif
#include <dm.h>
+#include <asm/arch-omap3/mux.h>
DECLARE_GLOBAL_DATA_PTR;
DECLARE_GLOBAL_DATA_PTR;
@@
-102,12
+103,22
@@
static unsigned char mmc_board_init(struct mmc *mmc)
t2_t *t2_base = (t2_t *)T2_BASE;
struct prcm *prcm_base = (struct prcm *)PRCM_BASE;
u32 pbias_lite;
t2_t *t2_base = (t2_t *)T2_BASE;
struct prcm *prcm_base = (struct prcm *)PRCM_BASE;
u32 pbias_lite;
+#ifdef CONFIG_MMC_OMAP36XX_PINS
+ u32 wkup_ctrl = readl(OMAP34XX_CTRL_WKUP_CTRL);
+#endif
pbias_lite = readl(&t2_base->pbias_lite);
pbias_lite &= ~(PBIASLITEPWRDNZ1 | PBIASLITEPWRDNZ0);
#ifdef CONFIG_TARGET_OMAP3_CAIRO
/* for cairo board, we need to set up 1.8 Volt bias level on MMC1 */
pbias_lite &= ~PBIASLITEVMODE0;
pbias_lite = readl(&t2_base->pbias_lite);
pbias_lite &= ~(PBIASLITEPWRDNZ1 | PBIASLITEPWRDNZ0);
#ifdef CONFIG_TARGET_OMAP3_CAIRO
/* for cairo board, we need to set up 1.8 Volt bias level on MMC1 */
pbias_lite &= ~PBIASLITEVMODE0;
+#endif
+#ifdef CONFIG_MMC_OMAP36XX_PINS
+ if (get_cpu_family() == CPU_OMAP36XX) {
+ /* Disable extended drain IO before changing PBIAS */
+ wkup_ctrl &= ~OMAP34XX_CTRL_WKUP_CTRL_GPIO_IO_PWRDNZ;
+ writel(wkup_ctrl, OMAP34XX_CTRL_WKUP_CTRL);
+ }
#endif
writel(pbias_lite, &t2_base->pbias_lite);
#endif
writel(pbias_lite, &t2_base->pbias_lite);
@@
-115,6
+126,13
@@
static unsigned char mmc_board_init(struct mmc *mmc)
PBIASSPEEDCTRL0 | PBIASLITEPWRDNZ0,
&t2_base->pbias_lite);
PBIASSPEEDCTRL0 | PBIASLITEPWRDNZ0,
&t2_base->pbias_lite);
+#ifdef CONFIG_MMC_OMAP36XX_PINS
+ if (get_cpu_family() == CPU_OMAP36XX)
+ /* Enable extended drain IO after changing PBIAS */
+ writel(wkup_ctrl |
+ OMAP34XX_CTRL_WKUP_CTRL_GPIO_IO_PWRDNZ,
+ OMAP34XX_CTRL_WKUP_CTRL);
+#endif
writel(readl(&t2_base->devconf0) | MMCSDIO1ADPCLKISEL,
&t2_base->devconf0);
writel(readl(&t2_base->devconf0) | MMCSDIO1ADPCLKISEL,
&t2_base->devconf0);