diff options
| author | York Sun <yorksun@freescale.com> | 2011-01-10 12:02:57 +0000 |
|---|---|---|
| committer | Kumar Gala <galak@kernel.crashing.org> | 2011-01-19 22:58:23 -0600 |
| commit | 47df8f03f4cae5cec1f42856916a3dd0d0460dc1 (patch) | |
| tree | 5c46a33980469680eeba453a2f18652495633b13 /arch | |
| parent | dd12768974358e9f03147c3bffc54b619308f318 (diff) | |
mpc8xxx: Enable ECC on/off control in hwconfig
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>
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/powerpc/cpu/mpc8xxx/ddr/options.c | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/arch/powerpc/cpu/mpc8xxx/ddr/options.c b/arch/powerpc/cpu/mpc8xxx/ddr/options.c index 0e7097babb..55dff43947 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 */ |