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authoryork <yorksun@freescale.com>2010-07-02 22:25:54 +0000
committerKumar Gala <galak@kernel.crashing.org>2010-07-26 13:16:09 -0500
commit7fd101c97b58dab7b0bd87f30c3dedb0db21d15f (patch)
treefe0f75ff8b46b1bc0367f6c600418a596eaee446 /arch/powerpc/cpu/mpc8xxx/ddr/options.c
parent5800e7ab32c200836e81ab2384817d93105561c5 (diff)
downloadblackbird-obmc-uboot-7fd101c97b58dab7b0bd87f30c3dedb0db21d15f.tar.gz
blackbird-obmc-uboot-7fd101c97b58dab7b0bd87f30c3dedb0db21d15f.zip
powerpc/8xxx: Enabled address hashing for 85xx
For 85xx silicon which supports address hashing, it can be activated by hwconfig. Signed-off-by: York Sun <yorksun@freescale.com>
Diffstat (limited to 'arch/powerpc/cpu/mpc8xxx/ddr/options.c')
-rw-r--r--arch/powerpc/cpu/mpc8xxx/ddr/options.c7
1 files changed, 7 insertions, 0 deletions
diff --git a/arch/powerpc/cpu/mpc8xxx/ddr/options.c b/arch/powerpc/cpu/mpc8xxx/ddr/options.c
index 1d5f3e2cdd..e4805d36b0 100644
--- a/arch/powerpc/cpu/mpc8xxx/ddr/options.c
+++ b/arch/powerpc/cpu/mpc8xxx/ddr/options.c
@@ -341,6 +341,13 @@ unsigned int populate_memctl_options(int all_DIMMs_registered,
}
}
+ if (hwconfig_sub("fsl_ddr", "addr_hash")) {
+ if (hwconfig_subarg_cmp("fsl_ddr", "addr_hash", "null"))
+ popts->addr_hash = 0;
+ else if (hwconfig_subarg_cmp("fsl_ddr", "addr_hash", "true"))
+ popts->addr_hash = 1;
+ }
+
if (pdimm[0].n_ranks == 4)
popts->quad_rank_present = 1;
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