[U-Boot] [PATCHv2 2/2] armv8/fsl-lsch3: consolidate the clock system initialization

[york sun]

On 09/26/2016 01:13 AM, Zhiqiang Hou wrote:
> From: Hou Zhiqiang <Zhiqiang.Hou at nxp.com>
>
> This patch map the sys_info->freq_systembus to Platform PLL, and
> implement the IPs' clock function individually.
>
> Signed-off-by: Hou Zhiqiang <Zhiqiang.Hou at nxp.com>
> ---
> V2:
>  - Generate the patch set base on the latest git://git.denx.de/u-boot-fsl-qoriq.git.
>  - Add Platform clock and IPs' input clock divisors.
>
>  .../arm/cpu/armv8/fsl-layerscape/fsl_lsch3_speed.c | 31 ++++++++++++++++------
>  arch/arm/include/asm/arch-fsl-layerscape/config.h  |  8 ++++++
>  .../include/asm/arch-fsl-layerscape/immap_lsch3.h  |  1 +
>  include/configs/ls2080a_common.h                   |  2 +-
>  4 files changed, 33 insertions(+), 9 deletions(-)
>
> diff --git a/arch/arm/cpu/armv8/fsl-layerscape/fsl_lsch3_speed.c b/arch/arm/cpu/armv8/fsl-layerscape/fsl_lsch3_speed.c
> index a9b12a4..afc8a31 100644
> --- a/arch/arm/cpu/armv8/fsl-layerscape/fsl_lsch3_speed.c
> +++ b/arch/arm/cpu/armv8/fsl-layerscape/fsl_lsch3_speed.c
> @@ -88,11 +88,10 @@ void get_sys_info(struct sys_info *sys_info)
>  #endif
>  #endif
>
> +	/* The freq_systembus is used to record frequency of platform PLL */
>  	sys_info->freq_systembus *= (gur_in32(&gur->rcwsr[0]) >>
>  			FSL_CHASSIS3_RCWSR0_SYS_PLL_RAT_SHIFT) &
>  			FSL_CHASSIS3_RCWSR0_SYS_PLL_RAT_MASK;
> -	/* Platform clock is half of platform PLL */
> -	sys_info->freq_systembus /= 2;
>  	sys_info->freq_ddrbus *= (gur_in32(&gur->rcwsr[0]) >>
>  			FSL_CHASSIS3_RCWSR0_MEM_PLL_RAT_SHIFT) &
>  			FSL_CHASSIS3_RCWSR0_MEM_PLL_RAT_MASK;
> @@ -132,7 +131,8 @@ void get_sys_info(struct sys_info *sys_info)
>  	ccr = ifc_in32(&ifc_regs.gregs->ifc_ccr);
>  	ccr = ((ccr & IFC_CCR_CLK_DIV_MASK) >> IFC_CCR_CLK_DIV_SHIFT) + 1;
>
> -	sys_info->freq_localbus = sys_info->freq_systembus / ccr;
> +	sys_info->freq_localbus = sys_info->freq_systembus /
> +					CONFIG_SYS_FSL_PCLK_DIV / ccr;
>  #endif
>  }
>

Zhiqiang and Prabhakar,

Your patches collide with each other. Can you two work together to sort 
it out?

http://patchwork.ozlabs.org/patch/666849/

York