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| author | Tom Rini <trini@ti.com> | 2012-09-25 12:23:55 -0700 |
|---|---|---|
| committer | Tom Rini <trini@ti.com> | 2012-09-25 12:23:55 -0700 |
| commit | 5675b509165b67465a20e5cf71e07f40b449ef0c (patch) | |
| tree | 9886f3e8fa8734ec9f8d9cb484fcaa87ff70203f /doc/README.fsl-ddr | |
| parent | ee1f4caaa2a3f79d692155eec8a4c7289d60e106 (diff) | |
| parent | d69dba367aed051663d0ee1ece013c8232bfa9f5 (diff) | |
Merge branch 'master' of git://git.denx.de/u-boot-mpc85xx
Diffstat (limited to 'doc/README.fsl-ddr')
| -rw-r--r-- | doc/README.fsl-ddr | 36 |
1 files changed, 34 insertions, 2 deletions
diff --git a/doc/README.fsl-ddr b/doc/README.fsl-ddr index 5e216587659..f94b56f628c 100644 --- a/doc/README.fsl-ddr +++ b/doc/README.fsl-ddr @@ -1,5 +1,28 @@ - -Table of interleaving modes supported in cpu/8xxx/ddr/ +Table of interleaving 2-4 controllers +===================================== + +--------------+-----------------------------------------------------------+ + |Configuration | Memory Controller | + | | 1 2 3 4 | + |--------------+--------------+--------------+-----------------------------+ + | Two memory | Not Intlv'ed | Not Intlv'ed | | + | complexes +--------------+--------------+ | + | | 2-way Intlv'ed | | + |--------------+--------------+--------------+--------------+ | + | | Not Intlv'ed | Not Intlv'ed | Not Intlv'ed | | + | Three memory +--------------+--------------+--------------+ | + | complexes | 2-way Intlv'ed | Not Intlv'ed | | + | +-----------------------------+--------------+ | + | | 3-way Intlv'ed | | + +--------------+--------------+--------------+--------------+--------------+ + | | Not Intlv'ed | Not Intlv'ed | Not Intlv'ed | Not Intlv'ed | + | Four memory +--------------+--------------+--------------+--------------+ + | complexes | 2-way Intlv'ed | 2-way Intlv'ed | + | +-----------------------------+-----------------------------+ + | | 4-way Intlv'ed | + +--------------+-----------------------------------------------------------+ + + +Table of 2-way interleaving modes supported in cpu/8xxx/ddr/ ====================================================== +-------------+---------------------------------------------------------+ | | Rank Interleaving | @@ -56,6 +79,15 @@ The ways to configure the ddr interleaving mode # superbank setenv hwconfig "fsl_ddr:ctlr_intlv=superbank" + # 1KB 3-way interleaving + setenv hwconfig "fsl_ddr:ctlr_intlv=3way_1KB" + + # 4KB 3-way interleaving + setenv hwconfig "fsl_ddr:ctlr_intlv=3way_4KB" + + # 8KB 3-way interleaving + setenv hwconfig "fsl_ddr:ctlr_intlv=3way_8KB" + # disable bank (chip-select) interleaving setenv hwconfig "fsl_ddr:bank_intlv=null" |