diff options
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 5e21658..f94b56f 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" |