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

[Z.Q. Hou]

Hi York,

Sorry for my delay response since the National Day holidays.


> -----Original Message-----
> From: york sun
> Sent: 2016年10月6日 0:20
> To: Z.Q. Hou <zhiqiang.hou at nxp.com>; u-boot at lists.denx.de;
> albert.u.boot at aribaud.net; Mingkai Hu <mingkai.hu at nxp.com>; Prabhakar
> Kushwaha <prabhakar.kushwaha at nxp.com>; Calvin Johnson
> <calvin.johnson at nxp.com>
> Subject: Re: [PATCHv2 2/2] armv8/fsl-lsch3: consolidate the clock system
> initialization
> 
> 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/
> 
I will rebase my patches.

Thanks,
Zhiqiang