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3 Commits

Author SHA1 Message Date
york
076bff8f47 powerpc/8xxx: Fix bug in memctrl interleaving & bank interleaving on cs0~cs4 
Verified on MPC8641HPCN with four DDR2 dimms. Each dimm has dual
rank with 512MB each rank.

Also check dimm size and rank size for memory controller interleaving

Signed-off-by: York Sun <yorksun@freescale.com>
 2010-07-26 13:16:09 -05:00
Kumar Gala
79e4e6480b powerpc/8xxx: Enabled hwconfig for memory interleaving 
Replace environmental variables memctl_intlv_ctl and ba_intlv_ctl with
hwconfig parameters. The syntax is

    setenv hwconfig "fsl_ddr:ctlr_intlv=<mode>,bank_intlv=<mode>"

The mode values for memory controller interleaving are
    cacheline
    page
    bank
    superbank

The mode values for bank interleaving are
    cs0_cs1
    cs2_cs3
    cs0_cs1_and_cs2_cs3
    cs0_cs1_cs2_cs3

Signed-off-by: York Sun <yorksun@freescale.com>
 2010-07-26 13:16:08 -05:00
Haiying Wang
c9ffd839b1 Check DDR interleaving mode 
* Check DDR interleaving mode from environment by reading memctl_intlv_ctl and
ba_intlv_ctl.
* Print DDR interleaving mode information
* Add doc/README.fsl-ddr to describe the interleaving setting

Signed-off-by: Haiying Wang <Haiying.Wang@freescale.com>
 2008-10-18 21:54:05 +02:00