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| author | york <yorksun@freescale.com> | 2010-07-02 22:25:54 +0000 |
|---|---|---|
| committer | Kumar Gala <galak@kernel.crashing.org> | 2010-07-26 13:16:09 -0500 |
| commit | 7fd101c97b58dab7b0bd87f30c3dedb0db21d15f (patch) | |
| tree | fe0f75ff8b46b1bc0367f6c600418a596eaee446 /doc/README.fsl-ddr | |
| parent | 5800e7ab32c200836e81ab2384817d93105561c5 (diff) | |
| download | u-boot-7fd101c97b58dab7b0bd87f30c3dedb0db21d15f.tar.gz u-boot-7fd101c97b58dab7b0bd87f30c3dedb0db21d15f.tar.xz u-boot-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 'doc/README.fsl-ddr')
| -rw-r--r-- | doc/README.fsl-ddr | 15 |
1 files changed, 13 insertions, 2 deletions
diff --git a/doc/README.fsl-ddr b/doc/README.fsl-ddr index 8c37bbead1..e108a0d50c 100644 --- a/doc/README.fsl-ddr +++ b/doc/README.fsl-ddr @@ -71,5 +71,16 @@ The ways to configure the ddr interleaving mode # bank(chip-select) interleaving (cs0+cs1+cs2+cs3) (4x1) setenv hwconfig "fsl_ddr:bank_intlv=cs0_cs1_cs2_cs3" - The above memory controller interleaving and bank interleaving can be mixed. The syntax is - setenv hwconfig "fsl_ddr:ctlr_intlv=cacheline,bank_intlv=cs0_cs1" +Memory controller address hashing +================================== +If the DDR controller supports address hashing, it can be enabled by hwconfig. + +Syntax is: +hwconfig=fsl_ddr:addr_hash=true + +Combination of hwconfig +======================= +Hwconfig can be combined with multiple parameters, for example, on a supported +platform + +hwconfig=fsl_ddr:addr_hash=true,ctlr_intlv=cacheline,bank_intlv=cs0_cs1_cs2_cs3 |