[U-Boot] [PATCH] mx31: Fix PDR0_CSI_PODF

Benoît Thébaudeau benoit.thebaudeau at advansee.com
Wed Aug 15 16:40:10 CEST 2012 

> The CSI PODF bit-field used by the previous code for the i.MX31 CCM
> PDR0
> register is actually composed of two bit-fields: one pre-divider and
> one
> post-divider. This patch fixes the CCM access macros and the code
> using them
> accordingly.
> 
> Signed-off-by: Benoît Thébaudeau <benoit.thebaudeau at advansee.com>
> Cc: Stefano Babic <sbabic at denx.de>

Adding missing board maintainers to Cc.

> ---
>  .../arch/arm/include/asm/arch-mx31/imx-regs.h      |    6 ++++--
>  .../board/freescale/mx31ads/lowlevel_init.S        |    4 ++--
>  .../board/hale/tt01/tt01.c                         |    2 +-
>  .../board/imx31_phycore/lowlevel_init.S            |    2 +-
>  .../board/logicpd/imx31_litekit/lowlevel_init.S    |    2 +-
>  .../include/configs/mx31pdk.h                      |   10 +++++-----
>  6 files changed, 14 insertions(+), 12 deletions(-)
> 
> diff --git
> u-boot-4d3c95f.orig/arch/arm/include/asm/arch-mx31/imx-regs.h
> u-boot-4d3c95f/arch/arm/include/asm/arch-mx31/imx-regs.h
> index 7ddbbd6..6ec5fa7 100644
> --- u-boot-4d3c95f.orig/arch/arm/include/asm/arch-mx31/imx-regs.h
> +++ u-boot-4d3c95f/arch/arm/include/asm/arch-mx31/imx-regs.h
> @@ -567,7 +567,8 @@ struct esdc_regs {
>  
>  #define MX31_IIM_BASE_ADDR	0x5001C000
>  
> -#define PDR0_CSI_PODF(x)	(((x) & 0x1ff) << 23)
> +#define PDR0_CSI_PODF(x)	(((x) & 0x3f) << 26)
> +#define PDR0_CSI_PRDF(x)	(((x) & 0x7) << 23)
>  #define PDR0_PER_PODF(x)	(((x) & 0x1f) << 16)
>  #define PDR0_HSP_PODF(x)	(((x) & 0x7) << 11)
>  #define PDR0_NFC_PODF(x)	(((x) & 0x7) << 8)
> @@ -580,7 +581,8 @@ struct esdc_regs {
>  #define PLL_MFI(x)		(((x) & 0xf) << 10)
>  #define PLL_MFN(x)		(((x) & 0x3ff) << 0)
>  
> -#define GET_PDR0_CSI_PODF(x)	(((x) >> 23) & 0x1ff)
> +#define GET_PDR0_CSI_PODF(x)	(((x) >> 26) & 0x3f)
> +#define GET_PDR0_CSI_PRDF(x)	(((x) >> 23) & 0x7)
>  #define GET_PDR0_PER_PODF(x)	(((x) >> 16) & 0x1f)
>  #define GET_PDR0_HSP_PODF(x)	(((x) >> 11) & 0x7)
>  #define GET_PDR0_NFC_PODF(x)	(((x) >> 8) & 0x7)
> diff --git
> u-boot-4d3c95f.orig/board/freescale/mx31ads/lowlevel_init.S
> u-boot-4d3c95f/board/freescale/mx31ads/lowlevel_init.S
> index 5c18bc1..2972065 100644
> --- u-boot-4d3c95f.orig/board/freescale/mx31ads/lowlevel_init.S
> +++ u-boot-4d3c95f/board/freescale/mx31ads/lowlevel_init.S
> @@ -246,8 +246,8 @@ lowlevel_init:
>  	/* COSR */
>  	str	r1, [r0, #0x1c]
>  
> -	/* RedBoot sets 0x1ff, 7, 3, 5, 1, 3, 0 */
> -/*	REG	CCM_PDR0, PDR0_CSI_PODF(0x1ff) | PDR0_PER_PODF(7) |
> PDR0_HSP_PODF(2) | PDR0_NFC_PODF(6) | PDR0_IPG_PODF(1) |
> PDR0_MAX_PODF(2) | PDR0_MCU_PODF(0)*/
> +	/* RedBoot sets 0x3f, 7, 7, 3, 5, 1, 3, 0 */
> +/*	REG	CCM_PDR0, PDR0_CSI_PODF(0x3f) | PDR0_CSI_PRDF(7) |
> PDR0_PER_PODF(7) | PDR0_HSP_PODF(2) | PDR0_NFC_PODF(6) |
> PDR0_IPG_PODF(1) | PDR0_MAX_PODF(2) | PDR0_MCU_PODF(0)*/
>  
>  	/* Redboot: 0, 51, 10, 12 / 0, 14, 9, 13 */
>  /*	REG	CCM_MPCTL, PLL_PD(0) | PLL_MFD(0x33) | PLL_MFI(7) |
>  PLL_MFN(0x23)*/
> diff --git u-boot-4d3c95f.orig/board/hale/tt01/tt01.c
> u-boot-4d3c95f/board/hale/tt01/tt01.c
> index 02e75ed..143fcef 100644
> --- u-boot-4d3c95f.orig/board/hale/tt01/tt01.c
> +++ u-boot-4d3c95f/board/hale/tt01/tt01.c
> @@ -52,7 +52,7 @@ static void board_setup_clocks(void)
>  	writel((CCM_CCMR_SETUP | CCMR_MPE) & ~CCMR_MDS, &ccm->ccmr);
>  
>  	/* Set up clock to 532MHz */
> -	writel(PDR0_CSI_PODF(0x1ff) | PDR0_PER_PODF(7) |
> +	writel(PDR0_CSI_PODF(0x3f) | PDR0_CSI_PRDF(7) | PDR0_PER_PODF(7) |
>  			PDR0_HSP_PODF(3) | PDR0_NFC_PODF(5) |
>  			PDR0_IPG_PODF(1) | PDR0_MAX_PODF(3) |
>  			PDR0_MCU_PODF(0), &ccm->pdr0);
> diff --git u-boot-4d3c95f.orig/board/imx31_phycore/lowlevel_init.S
> u-boot-4d3c95f/board/imx31_phycore/lowlevel_init.S
> index c47137d..4dd78b6 100644
> --- u-boot-4d3c95f.orig/board/imx31_phycore/lowlevel_init.S
> +++ u-boot-4d3c95f/board/imx31_phycore/lowlevel_init.S
> @@ -54,7 +54,7 @@ lowlevel_init:
>  	REG	CCM_CCMR, 0x074B0BF5 | CCMR_MPE
>  	REG	CCM_CCMR, (0x074B0BF5 | CCMR_MPE) & ~CCMR_MDS
>  
> -	REG	CCM_PDR0, PDR0_CSI_PODF(0xff1) | PDR0_PER_PODF(7) |
> PDR0_HSP_PODF(3) | PDR0_NFC_PODF(5) | PDR0_IPG_PODF(1) |
> PDR0_MAX_PODF(3) |	PDR0_MCU_PODF(0)
> +	REG	CCM_PDR0, PDR0_CSI_PODF(0x3f) | PDR0_CSI_PRDF(7) |
> PDR0_PER_PODF(7) | PDR0_HSP_PODF(3) | PDR0_NFC_PODF(5) |
> PDR0_IPG_PODF(1) | PDR0_MAX_PODF(3) | PDR0_MCU_PODF(0)
>  
>  	REG	CCM_MPCTL, PLL_PD(0) | PLL_MFD(0xe) | PLL_MFI(9) | PLL_MFN(0xd)
>  
> diff --git
> u-boot-4d3c95f.orig/board/logicpd/imx31_litekit/lowlevel_init.S
> u-boot-4d3c95f/board/logicpd/imx31_litekit/lowlevel_init.S
> index 95b0c08..0ce8905 100644
> --- u-boot-4d3c95f.orig/board/logicpd/imx31_litekit/lowlevel_init.S
> +++ u-boot-4d3c95f/board/logicpd/imx31_litekit/lowlevel_init.S
> @@ -54,7 +54,7 @@ lowlevel_init:
>  	REG	CCM_CCMR, 0x074B0BF5 | CCMR_MPE
>  	REG	CCM_CCMR, (0x074B0BF5 | CCMR_MPE) & ~CCMR_MDS
>  
> -	REG	CCM_PDR0, PDR0_CSI_PODF(0x1ff) | PDR0_PER_PODF(7) |
> PDR0_HSP_PODF(2) | PDR0_NFC_PODF(6) | PDR0_IPG_PODF(1) |
> PDR0_MAX_PODF(2) | PDR0_MCU_PODF(0)
> +	REG	CCM_PDR0, PDR0_CSI_PODF(0x3f) | PDR0_CSI_PRDF(7) |
> PDR0_PER_PODF(7) | PDR0_HSP_PODF(2) | PDR0_NFC_PODF(6) |
> PDR0_IPG_PODF(1) | PDR0_MAX_PODF(2) | PDR0_MCU_PODF(0)
>  
>  	REG	CCM_MPCTL, PLL_PD(0) | PLL_MFD(0x33) | PLL_MFI(7) |
>  	PLL_MFN(0x23)
>  	REG	CCM_SPCTL, PLL_PD(1) | PLL_MFD(4) | PLL_MFI(12) | PLL_MFN(1)
> diff --git u-boot-4d3c95f.orig/include/configs/mx31pdk.h
> u-boot-4d3c95f/include/configs/mx31pdk.h
> index 7634de7..4900be0 100644
> --- u-boot-4d3c95f.orig/include/configs/mx31pdk.h
> +++ u-boot-4d3c95f/include/configs/mx31pdk.h
> @@ -212,11 +212,11 @@
>  
>  /* Configuration of lowlevel_init.S (clocks and SDRAM) */
>  #define CCM_CCMR_SETUP		0x074B0BF5
> -#define CCM_PDR0_SETUP_532MHZ	(PDR0_CSI_PODF(0x1ff) |
> PDR0_PER_PODF(7) | \
> -				 PDR0_HSP_PODF(3) | PDR0_NFC_PODF(5) |     \
> -				 PDR0_IPG_PODF(1) | PDR0_MAX_PODF(3) |     \
> -				 PDR0_MCU_PODF(0))
> -#define CCM_MPCTL_SETUP_532MHZ	(PLL_PD(0) | PLL_MFD(51) |
> PLL_MFI(10) |   \
> +#define CCM_PDR0_SETUP_532MHZ	(PDR0_CSI_PODF(0x3f) |
> PDR0_CSI_PRDF(7) | \
> +				 PDR0_PER_PODF(7) | PDR0_HSP_PODF(3) |    \
> +				 PDR0_NFC_PODF(5) | PDR0_IPG_PODF(1) |    \
> +				 PDR0_MAX_PODF(3) | PDR0_MCU_PODF(0))
> +#define CCM_MPCTL_SETUP_532MHZ	(PLL_PD(0) | PLL_MFD(51) |
> PLL_MFI(10) |  \
>  				 PLL_MFN(12))
>  
>  #define ESDMISC_MDDR_SETUP	0x00000004
>

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