P1021rdb-pc

P1021rdb-pc

[BHARATHI KANDIMALLA]

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Dear Sir,

We  are using  P1021rdb-pc   board  with p1021 processor.

1.  compilation and build process  is taking  so  much of time. How should I
reduce the time for linux  build process?

2.  In  kernel configuration  we are not able to select  P1021rdb., When we configured the  board for p1021RDB-PC ,  in  default kenel config  file   all the below platforms are selected , We want only  p1021rdb  , what should we select here?

 CONFIG_PPC_CELL is not set
CONFIG_FSL_SOC_BOOKE=y
CONFIG_FSL_85XX_CACHE_SRAM=y
CONFIG_MPC8540_ADS=y
CONFIG_MPC8560_ADS=y
CONFIG_MPC85xx_CDS=y
CONFIG_MPC85xx_MDS=y
CONFIG_MPC8536_DS=y
CONFIG_MPC85xx_DS=y
CONFIG_MPC85xx_RDB=y
# CONFIG_P1010_RDB is not set
CONFIG_P1022_DS=y
CONFIG_P1023_RDS=y
CONFIG_SOCRATES=y
CONFIG_KSI8560=y
CONFIG_XES_MPC85xx=y
CONFIG_STX_GP3=y
CONFIG_TQM8540=y
CONFIG_TQM8541=y
CONFIG_TQM8548=y
CONFIG_TQM8555=y
CONFIG_TQM8560=y
CONFIG_SBC8548=y

I am attaching  .config  file  for the reference


3. We are using  p1021 processor which has 36 bit support  , but we  have compiled uboot for 32 bit only.Is there any specfic use of 36 bit  compilation, ?

only large amount of memory size 0f 64G, any way we are using only 512Mbyte of  DDR, 128MBYte  NOR FLASH



4. Now we are using  SDK 1.3.2  for  p1021 procesor .Is there any specific
necessity that we should switch  to sdk1.4
regarding linux drivers  specially included for  p1021 procesor?

5.UMCC driver  is  available in  linux driver ? where should I get some help regarding UMCC ?


regards
Bharathi kandimalla


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Re: P1021rdb-pc

[Scott Wood]

On 07/25/2013 03:29:45 AM, BHARATHI KANDIMALLA wrote:
> Dear Sir,
>=20
> We  are using  P1021rdb-pc   board  with p1021 processor.
>=20
> 1.  compilation and build process  is taking  so  much of time. How =20
> should I
> reduce the time for linux  build process?

Remove things from the .config that you don't need.

Be sure you're using a -j value that is large enough to keep all your =20
CPUs busy.

Use ccache.

Get a faster build machine. :-)

> 2.  In  kernel configuration  we are not able to select  P1021rdb., =20
> When we configured the  board for p1021RDB-PC ,  in  default kenel =20
> config  file   all the below platforms are selected , We want only  =20
> p1021rdb  , what should we select here?
>=20
>  CONFIG_PPC_CELL is not set
> CONFIG_FSL_SOC_BOOKE=3Dy
> CONFIG_FSL_85XX_CACHE_SRAM=3Dy
> CONFIG_MPC8540_ADS=3Dy
> CONFIG_MPC8560_ADS=3Dy
> CONFIG_MPC85xx_CDS=3Dy
> CONFIG_MPC85xx_MDS=3Dy
> CONFIG_MPC8536_DS=3Dy
> CONFIG_MPC85xx_DS=3Dy
> CONFIG_MPC85xx_RDB=3Dy

fsl,P1021RDB-PC is handled by mpc85xx_rdb.c (and thus =20
CONFIG_MPC85xx_RDB).

> 3. We are using  p1021 processor which has 36 bit support  , but we  =20
> have compiled uboot for 32 bit only.Is there any specfic use of 36 =20
> bit  compilation, ?

If your U-Boot is configured for 32 bits, there's no benefit to =20
enabling CONFIG_PHYS_64BIT (unless you're remapping things yourself, =20
such as moving the PCIe windows), and it can slow things down.

> 4. Now we are using  SDK 1.3.2  for  p1021 procesor .Is there any =20
> specific
> necessity that we should switch  to sdk1.4
> regarding linux drivers  specially included for  p1021 procesor?

It's generally good to use more recent code for the various =20
improvements and fixes it contains, but I don't know of a specific =20
p1021-related requirement.  Note that this list is for upstream Linux; =20
for help with Freescale SDKs go to https://community.freescale.com/

Also note that p1021rdb-pc is supported in upstream Linux; you do not =20
need to use the SDK at all unless there is something specific you need =20
beyond basic board support.

> 5.UMCC driver  is  available in  linux driver ?

No.

> where should I get some help regarding UMCC ?

community.freescale.com, support@freescale.com, or your sales/FAE =20
contact.

-Scott=