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@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)