[PATCH 1/2] eukrea-cpuimx35: Fix wrong clock gating for ESDHC1

Sascha Hauer s.hauer at pengutronix.de
Mon Jul 4 00:33:17 PDT 2016


On Thu, Jun 30, 2016 at 11:24:13PM +0200, Alexander Kurz wrote:
> With commit 962d8b89d2ce ("imx35-regs: add defines for USB and SD") the
> shifter argument for the iMX35 ESDHC1 CGR instance has been erroneously
> assigned to CGR1 instead of CGR0. Fix this for the eukrea-cpuimx35 board.
> 
> Signed-off-by: Alexander Kurz <akurz at blala.de>
> ---
>  arch/arm/boards/eukrea_cpuimx35/eukrea_cpuimx35.c | 6 ++++--
>  arch/arm/mach-imx/include/mach/imx35-regs.h       | 2 +-
>  2 files changed, 5 insertions(+), 3 deletions(-)

Applied, thanks

Sascha

> 
> diff --git a/arch/arm/boards/eukrea_cpuimx35/eukrea_cpuimx35.c b/arch/arm/boards/eukrea_cpuimx35/eukrea_cpuimx35.c
> index 9c4ea13..8b5514b 100644
> --- a/arch/arm/boards/eukrea_cpuimx35/eukrea_cpuimx35.c
> +++ b/arch/arm/boards/eukrea_cpuimx35/eukrea_cpuimx35.c
> @@ -232,10 +232,12 @@ static int eukrea_cpuimx35_core_init(void)
>  {
>  	u32 reg;
>  
> -	/* enable clock for I2C1, SDHC1, USB and FEC */
> +	/* enable clock for I2C1, ESDHC1, USB and FEC */
> +	reg = readl(MX35_CCM_BASE_ADDR + MX35_CCM_CGR0);
> +	reg |= 0x3 << MX35_CCM_CGR0_ESDHC1_SHIFT;
> +	reg = writel(reg, MX35_CCM_BASE_ADDR + MX35_CCM_CGR0);
>  	reg = readl(MX35_CCM_BASE_ADDR + MX35_CCM_CGR1);
>  	reg |= 0x3 << MX35_CCM_CGR1_FEC_SHIFT;
> -	reg |= 0x3 << MX35_CCM_CGR1_SDHC1_SHIFT;
>  	reg |= 0x3 << MX35_CCM_CGR1_I2C1_SHIFT,
>  	reg = writel(reg, MX35_CCM_BASE_ADDR + MX35_CCM_CGR1);
>  	reg = readl(MX35_CCM_BASE_ADDR + MX35_CCM_CGR2);
> diff --git a/arch/arm/mach-imx/include/mach/imx35-regs.h b/arch/arm/mach-imx/include/mach/imx35-regs.h
> index 52e209b..6905400 100644
> --- a/arch/arm/mach-imx/include/mach/imx35-regs.h
> +++ b/arch/arm/mach-imx/include/mach/imx35-regs.h
> @@ -150,9 +150,9 @@
>  #define MX35_CCM_CGR3	0x38
>  
>  #define MX35_CCM_CGR0_CSPI1_SHIFT	10
> +#define MX35_CCM_CGR0_ESDHC1_SHIFT	26
>  #define MX35_CCM_CGR1_FEC_SHIFT	0
>  #define MX35_CCM_CGR1_I2C1_SHIFT	10
> -#define MX35_CCM_CGR1_SDHC1_SHIFT	26
>  #define MX35_CCM_CGR2_UART2_SHIFT	18
>  #define MX35_CCM_CGR2_USB_SHIFT	22
>  
> -- 
> 2.1.4
> 
> 
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