[U-Boot] [PATCH] Origen: Select SCLKMPLL as FIMD0 parent clock
Chander Kashyap
chander.kashyap at linaro.org
Mon Dec 19 07:16:32 CET 2011
Signed-off-by: Chander Kashyap <chander.kashyap at linaro.org>
---
board/samsung/origen/lowlevel_init.S | 5 +++++
board/samsung/origen/origen_setup.h | 12 ++++++++++++
2 files changed, 17 insertions(+), 0 deletions(-)
diff --git a/board/samsung/origen/lowlevel_init.S b/board/samsung/origen/lowlevel_init.S
index 0eebbfc..9283201 100644
--- a/board/samsung/origen/lowlevel_init.S
+++ b/board/samsung/origen/lowlevel_init.S
@@ -158,6 +158,11 @@ system_clock_init:
ldr r2, =CLK_SRC_PERIL0_OFFSET
str r1, [r0, r2]
+ /* FIMD0 */
+ ldr r1, =CLK_SRC_LCD0_VAL
+ ldr r2, =CLK_SRC_LCD0_OFFSET
+ str r1, [r0, r2]
+
/* wait ?us */
mov r1, #0x10000
3: subs r1, r1, #1
diff --git a/board/samsung/origen/origen_setup.h b/board/samsung/origen/origen_setup.h
index d949ad2..94cccca 100644
--- a/board/samsung/origen/origen_setup.h
+++ b/board/samsung/origen/origen_setup.h
@@ -56,6 +56,8 @@
#define CLK_SRC_PERIL0_OFFSET 0xC250
#define CLK_DIV_PERIL0_OFFSET 0xC550
+#define CLK_SRC_LCD0_OFFSET 0xC234
+
#define APLL_LOCK_OFFSET 0x14000
#define MPLL_LOCK_OFFSET 0x14008
#define APLL_CON0_OFFSET 0x14100
@@ -351,6 +353,16 @@
| (UART1_RATIO << 4) \
| (UART0_RATIO << 0))
+/* CLK_SRC_LCD0 */
+#define FIMD_SEL_SCLKMPLL 6
+#define MDNIE0_SEL_XUSBXTI 1
+#define MDNIE_PWM0_SEL_XUSBXTI 1
+#define MIPI0_SEL_XUSBXTI 1
+#define CLK_SRC_LCD0_VAL ((MIPI0_SEL_XUSBXTI << 12) \
+ | (MDNIE_PWM0_SEL_XUSBXTI << 8) \
+ | (MDNIE0_SEL_XUSBXTI << 4) \
+ | (FIMD_SEL_SCLKMPLL << 0))
+
/* Required period to generate a stable clock output */
/* PLL_LOCK_TIME */
#define PLL_LOCKTIME 0x1C20
--
1.7.5.4
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