[U-Boot] [PATCH] Origen: Add default clock settings for multimedia IPs

[Tushar Behera]

From: Annamalai Lakshmanan <annamalai.lakshmanan at linaro.org>

Added clock settings for MFC, FIMC, FB and G3D. They are clocked to
maximum respective frequencies as per datasheet.

Signed-off-by: Annamalai Lakshmanan <annamalai.lakshmanan at linaro.org>
Signed-off-by: Giridhar Maruthy <giridhar.maruthy at linaro.org>
Signed-off-by: Inderpal Singh <inderpal.singh at linaro.org>
Signed-off-by: Tushar Behera <tushar.behera at linaro.org>
---
 board/samsung/origen/lowlevel_init.S |   37 ++++++++++++++++-
 board/samsung/origen/origen_setup.h  |   74 ++++++++++++++++++++++++++++++++++
 2 files changed, 110 insertions(+), 1 deletions(-)

diff --git a/board/samsung/origen/lowlevel_init.S b/board/samsung/origen/lowlevel_init.S
index 9283201..9daa0da 100644
--- a/board/samsung/origen/lowlevel_init.S
+++ b/board/samsung/origen/lowlevel_init.S
@@ -158,7 +158,22 @@ system_clock_init:
 	ldr	r2, =CLK_SRC_PERIL0_OFFSET
 	str	r1, [r0, r2]
 
-	/* FIMD0 */
+	/* CAM , FIMC 0-3 */
+	ldr	r1, =CLK_SRC_CAM_VAL
+	ldr	r2, =CLK_SRC_CAM_OFFSET
+	str	r1, [r0, r2]
+
+	/* MFC */
+	ldr	r1, =CLK_SRC_MFC_VAL
+	ldr	r2, =CLK_SRC_MFC_OFFSET
+	str	r1, [r0, r2]
+
+	/* G3D */
+	ldr	r1, =CLK_SRC_G3D_VAL
+	ldr	r2, =CLK_SRC_G3D_OFFSET
+	str	r1, [r0, r2]
+
+	/* LCD0 */
 	ldr	r1, =CLK_SRC_LCD0_VAL
 	ldr	r2, =CLK_SRC_LCD0_OFFSET
 	str	r1, [r0, r2]
@@ -223,6 +238,26 @@ system_clock_init:
 	ldr	r2, =CLK_DIV_PERIL0_OFFSET
 	str	r1, [r0, r2]
 
+	/* CAM, FIMC 0-3: CAM Clock Divisors */
+	ldr	r1, =CLK_DIV_CAM_VAL
+	ldr	r2, =CLK_DIV_CAM_OFFSET
+	str	r1, [r0, r2]
+
+	/* CLK_DIV_MFC: MFC Clock Divisors */
+	ldr	r1, =CLK_DIV_MFC_VAL
+	ldr	r2, =CLK_DIV_MFC_OFFSET
+	str	r1, [r0, r2]
+
+	/* CLK_DIV_G3D: G3D Clock Divisors */
+	ldr	r1, =CLK_DIV_G3D_VAL
+	ldr	r2, =CLK_DIV_G3D_OFFSET
+	str	r1, [r0, r2]
+
+	/* CLK_DIV_LCD0: LCD0 Clock Divisors */
+	ldr	r1, =CLK_DIV_LCD0_VAL
+	ldr	r2, =CLK_DIV_LCD0_OFFSET
+	str	r1, [r0, r2]
+
 	/* Set PLL locktime */
 	ldr	r1, =PLL_LOCKTIME
 	ldr	r2, =APLL_LOCK_OFFSET
diff --git a/board/samsung/origen/origen_setup.h b/board/samsung/origen/origen_setup.h
index 94cccca..930b948 100644
--- a/board/samsung/origen/origen_setup.h
+++ b/board/samsung/origen/origen_setup.h
@@ -53,7 +53,18 @@
 #define CLK_DIV_FSYS2_OFFSET	0xC548
 #define CLK_DIV_FSYS3_OFFSET	0xC54C
 
+#define CLK_SRC_CAM_OFFSET	0xC220
+#define CLK_SRC_TV_OFFSET	0xC224
+#define CLK_SRC_MFC_OFFSET	0xC228
+#define CLK_SRC_G3D_OFFSET	0xC22C
+#define CLK_SRC_LCD0_OFFSET	0xC234
 #define CLK_SRC_PERIL0_OFFSET	0xC250
+
+#define CLK_DIV_CAM_OFFSET	0xC520
+#define CLK_DIV_TV_OFFSET	0xC524
+#define CLK_DIV_MFC_OFFSET	0xC528
+#define CLK_DIV_G3D_OFFSET	0xC52C
+#define CLK_DIV_LCD0_OFFSET	0xC534
 #define CLK_DIV_PERIL0_OFFSET	0xC550
 
 #define CLK_SRC_LCD0_OFFSET	0xC234
@@ -353,6 +364,65 @@
 				| (UART1_RATIO << 4) \
 				| (UART0_RATIO << 0))
 
+/* Clock Source CAM/FIMC */
+/* CLK_SRC_CAM */
+#define CAM0_SEL_XUSBXTI	1
+#define CAM1_SEL_XUSBXTI	1
+#define CSIS0_SEL_XUSBXTI	1
+#define CSIS1_SEL_XUSBXTI	1
+
+#define FIMC_SEL_SCLKMPLL	6
+#define FIMC0_LCLK_SEL		FIMC_SEL_SCLKMPLL
+#define FIMC1_LCLK_SEL		FIMC_SEL_SCLKMPLL
+#define FIMC2_LCLK_SEL		FIMC_SEL_SCLKMPLL
+#define FIMC3_LCLK_SEL		FIMC_SEL_SCLKMPLL
+
+#define CLK_SRC_CAM_VAL		((CSIS1_SEL_XUSBXTI << 28) \
+				| (CSIS0_SEL_XUSBXTI << 24) \
+				| (CAM1_SEL_XUSBXTI << 20) \
+				| (CAM0_SEL_XUSBXTI << 16) \
+				| (FIMC3_LCLK_SEL << 12) \
+				| (FIMC2_LCLK_SEL << 8) \
+				| (FIMC1_LCLK_SEL << 4) \
+				| (FIMC0_LCLK_SEL << 0))
+
+/* SCLK CAM */
+/* CLK_DIV_CAM */
+#define FIMC0_LCLK_RATIO	4
+#define FIMC1_LCLK_RATIO	4
+#define FIMC2_LCLK_RATIO	4
+#define FIMC3_LCLK_RATIO	4
+#define CLK_DIV_CAM_VAL		((FIMC3_LCLK_RATIO << 12) \
+				| (FIMC2_LCLK_RATIO << 8) \
+				| (FIMC1_LCLK_RATIO << 4) \
+				| (FIMC0_LCLK_RATIO << 0))
+
+/* SCLK MFC */
+/* CLK_SRC_MFC */
+#define MFC_SEL_MPLL		0
+#define MOUTMFC_0		0
+#define MFC_SEL			MOUTMFC_0
+#define MFC_0_SEL		MFC_SEL_MPLL
+#define CLK_SRC_MFC_VAL		((MFC_SEL << 8) | (MFC_0_SEL))
+
+
+/* CLK_DIV_MFC */
+#define MFC_RATIO		3
+#define CLK_DIV_MFC_VAL		(MFC_RATIO)
+
+/* SCLK G3D */
+/* CLK_SRC_G3D */
+#define G3D_SEL_MPLL		0
+#define MOUTG3D_0		0
+#define G3D_SEL			MOUTG3D_0
+#define G3D_0_SEL		G3D_SEL_MPLL
+#define CLK_SRC_G3D_VAL		((G3D_SEL << 8) | (G3D_0_SEL))
+
+/* CLK_DIV_G3D */
+#define G3D_RATIO		1
+#define CLK_DIV_G3D_VAL		(G3D_RATIO)
+
+/* SCLK LCD0 */
 /* CLK_SRC_LCD0 */
 #define FIMD_SEL_SCLKMPLL	6
 #define MDNIE0_SEL_XUSBXTI	1
@@ -363,6 +433,10 @@
 				| (MDNIE0_SEL_XUSBXTI << 4) \
 				| (FIMD_SEL_SCLKMPLL << 0))
 
+/* CLK_DIV_LCD0 */
+#define FIMD0_RATIO		4
+#define CLK_DIV_LCD0_VAL	(FIMD0_RATIO)
+
 /* Required period to generate a stable clock output */
 /* PLL_LOCK_TIME */
 #define PLL_LOCKTIME		0x1C20
-- 
1.7.4.1