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

[Albert ARIBAUD]

Hi Tushar,

On Fri, 31 Aug 2012 12:03:58 +0530, Tushar Behera
<tushar.behera at linaro.org> wrote:

> 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

Applied to u-boot-arm/master, thanks!

Amicalement,
-- 
Albert.