[U-Boot] [PATCH 2/3] armv8: fsl-lsch3: Update VID support

[Priyanka Jain]

> -----Original Message-----
> From: york sun
> Sent: Friday, January 27, 2017 11:13 PM
> To: Priyanka Jain <priyanka.jain at nxp.com>; u-boot at lists.denx.de
> Cc: Arpit Goel <arpit.goel at nxp.com>
> Subject: Re: [PATCH 2/3] armv8: fsl-lsch3: Update VID support
> 
> On 01/18/2017 09:43 PM, Priyanka Jain wrote:
> > VID support in NXP layerscape Chassis-3 (lsch3) compilant SoCs like
> > LS2088A, LS2080A differs from existing logic.
> > -VDD voltage array is different
> > -Registers are different
> > -VDD calculation logic is different
> >
> > Add new function adjust_vdd() for LSCH3 compliant SoCs
> >
> > Signed-off-by: Priyanka Jain <priyanka.jain at nxp.com>
> > Signed-off-by: Arpit Goel <arpit.goel at nxp.com>
> > ---
> >  .../include/asm/arch-fsl-layerscape/immap_lsch3.h  |    4 +-
> >  board/freescale/common/vid.c                       |  174 ++++++++++++++++++--
> >  2 files changed, 164 insertions(+), 14 deletions(-)
> >
> > diff --git a/arch/arm/include/asm/arch-fsl-layerscape/immap_lsch3.h
> > b/arch/arm/include/asm/arch-fsl-layerscape/immap_lsch3.h
> > index 38a6d03..fc4d33b 100644
> > --- a/arch/arm/include/asm/arch-fsl-layerscape/immap_lsch3.h
> > +++ b/arch/arm/include/asm/arch-fsl-layerscape/immap_lsch3.h
> > @@ -187,9 +187,9 @@ struct ccsr_gur {
> >  	u32	gpporcr3;
> >  	u32	gpporcr4;
> >  	u8	res_030[0x60-0x30];
> > -#define FSL_CHASSIS3_DCFG_FUSESR_VID_SHIFT	25
> > +#define FSL_CHASSIS3_DCFG_FUSESR_VID_SHIFT	2
> >  #define FSL_CHASSIS3_DCFG_FUSESR_VID_MASK	0x1F
> > -#define FSL_CHASSIS3_DCFG_FUSESR_ALTVID_SHIFT	20
> > +#define FSL_CHASSIS3_DCFG_FUSESR_ALTVID_SHIFT	7
> >  #define FSL_CHASSIS3_DCFG_FUSESR_ALTVID_MASK	0x1F
> 
> 
> Priyanka,
> 
> You changed the fuse register offset and fuse position in this and previous patch
> of this set. What's going on? I presume you have verified it on LS2080ARDB.
> How did it work before? Do we have two fuse status registers?
> 
> York

York,

These code changes are valid for both LS2080A and LS2088A.
VID was not working before on LS2080A also.

Priyanka