| Message ID | 1294696982-20556-3-git-send-email-yorksun@freescale.com |
|---|---|
| State | Accepted |
| Commit | 47df8f03f4cae5cec1f42856916a3dd0d0460dc1 |
| Delegated to: | Kumar Gala |
| Headers | show |
On Jan 10, 2011, at 4:02 PM, York Sun wrote: > Add fsl_ddr:ecc=on in hwconfig. If ECC is enabled in board configuration file, > ECC can be turned on/off by this switch. If this switch is omitted, it is ON by > default. > > Updated hwconfig calls to use local buffer. > > Syntax is > hwconfig=fsl_ddr:ecc=on > > Signed-off-by: York Sun <yorksun@freescale.com> > --- > arch/powerpc/cpu/mpc8xxx/ddr/options.c | 9 ++++++--- > doc/README.fsl-ddr | 7 +++++++ > 2 files changed, 13 insertions(+), 3 deletions(-) applied to 85xx - k
diff --git a/arch/powerpc/cpu/mpc8xxx/ddr/options.c b/arch/powerpc/cpu/mpc8xxx/ddr/options.c index 0e7097b..55dff43 100644 --- a/arch/powerpc/cpu/mpc8xxx/ddr/options.c +++ b/arch/powerpc/cpu/mpc8xxx/ddr/options.c @@ -98,10 +98,13 @@ unsigned int populate_memctl_options(int all_DIMMs_registered, /* Operational Mode Paramters */ /* Pick ECC modes */ -#ifdef CONFIG_DDR_ECC - popts->ECC_mode = 1; /* 0 = disabled, 1 = enabled */ -#else popts->ECC_mode = 0; /* 0 = disabled, 1 = enabled */ +#ifdef CONFIG_DDR_ECC + if (hwconfig_sub_f("fsl_ddr", "ecc", buf)) { + if (hwconfig_subarg_cmp_f("fsl_ddr", "ecc", "on", buf)) + popts->ECC_mode = 1; + } else + popts->ECC_mode = 1; #endif popts->ECC_init_using_memctl = 1; /* 0 = use DMA, 1 = use memctl */ diff --git a/doc/README.fsl-ddr b/doc/README.fsl-ddr index 1657ef6..9e3c539 100644 --- a/doc/README.fsl-ddr +++ b/doc/README.fsl-ddr @@ -78,6 +78,13 @@ If the DDR controller supports address hashing, it can be enabled by hwconfig. Syntax is: hwconfig=fsl_ddr:addr_hash=true +Memory controller ECC on/off +============================ +If ECC is enabled in board configuratoin file, i.e. #define CONFIG_DDR_ECC, +ECC can be turned on/off by hwconfig. + +Syntax is +hwconfig=fsl_ddr:ecc=off Memory testing options for mpc85xx ==================================
Add fsl_ddr:ecc=on in hwconfig. If ECC is enabled in board configuration file, ECC can be turned on/off by this switch. If this switch is omitted, it is ON by default. Updated hwconfig calls to use local buffer. Syntax is hwconfig=fsl_ddr:ecc=on Signed-off-by: York Sun <yorksun@freescale.com> --- arch/powerpc/cpu/mpc8xxx/ddr/options.c | 9 ++++++--- doc/README.fsl-ddr | 7 +++++++ 2 files changed, 13 insertions(+), 3 deletions(-)