From mboxrd@z Thu Jan 1 00:00:00 1970 From: Pekon Gupta Date: Tue, 6 Aug 2013 15:10:15 +0530 Subject: [U-Boot] [PATCH v1 1/2] am33xx: enable GPMC clocks for TI814x Message-ID: <1375782016-23975-1-git-send-email-pekon@ti.com> List-Id: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: u-boot@lists.denx.de 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 --- 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