[U-Boot] [PATCH v1 1/2] am33xx: enable GPMC clocks for TI814x
Pekon Gupta
pekon at ti.com
Tue Aug 6 10:15:07 CEST 2013
GPMC registers need to be pre-initialized for NAND and NOR probe.
So this patch brings out GPMC H/W engine from IDLE state.
Signed-off-by: Pekon Gupta <pekon at ti.com>
---
arch/arm/cpu/armv7/am33xx/clock_ti814x.c | 5 +++++
1 file changed, 5 insertions(+)
diff --git a/arch/arm/cpu/armv7/am33xx/clock_ti814x.c b/arch/arm/cpu/armv7/am33xx/clock_ti814x.c
index 658772b..149590e 100644
--- a/arch/arm/cpu/armv7/am33xx/clock_ti814x.c
+++ b/arch/arm/cpu/armv7/am33xx/clock_ti814x.c
@@ -269,6 +269,11 @@ static void enable_per_clocks(void)
while (readl(&cmalwon->uart0clkctrl) != PRCM_MOD_EN)
;
+ /* GPMC */
+ writel(PRCM_MOD_EN, &cmalwon->gpmcclkctrl);
+ while (readl(&cmalwon->gpmcclkctrl) != PRCM_MOD_EN)
+ ;
+
/* HSMMC1 */
writel(PRCM_MOD_EN, &cmalwon->mmchs1clkctrl);
while (readl(&cmalwon->mmchs1clkctrl) != PRCM_MOD_EN)
--
1.8.1
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