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| author | Ingo Molnar <mingo@elte.hu> | 2008-06-12 11:27:22 +0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2008-06-12 11:27:22 +0200 |
| commit | bb6dfb32f90094fea647e1f27d994a8b6ddd2766 (patch) | |
| tree | e63681727543bcc3251bbc82b81a9cc822cc3f5e /arch/powerpc/boot/4xx.c | |
| parent | 4f384f8bcdb5d618a0a68fb84c809e602c798b8f (diff) | |
| parent | 5e70b7f3c24468bb1635b295945edb48ecd9656a (diff) | |
| download | kernel_samsung_smdk4412-bb6dfb32f90094fea647e1f27d994a8b6ddd2766.zip kernel_samsung_smdk4412-bb6dfb32f90094fea647e1f27d994a8b6ddd2766.tar.gz kernel_samsung_smdk4412-bb6dfb32f90094fea647e1f27d994a8b6ddd2766.tar.bz2 | |
Merge branch 'linus' into x86/gart
Diffstat (limited to 'arch/powerpc/boot/4xx.c')
| -rw-r--r-- | arch/powerpc/boot/4xx.c | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/arch/powerpc/boot/4xx.c b/arch/powerpc/boot/4xx.c index 758edf1..5c87843 100644 --- a/arch/powerpc/boot/4xx.c +++ b/arch/powerpc/boot/4xx.c @@ -21,6 +21,25 @@ #include "reg.h" #include "dcr.h" +static unsigned long chip_11_errata(unsigned long memsize) +{ + unsigned long pvr; + + pvr = mfpvr(); + + switch (pvr & 0xf0000ff0) { + case 0x40000850: + case 0x400008d0: + case 0x200008d0: + memsize -= 4096; + break; + default: + break; + } + + return memsize; +} + /* Read the 4xx SDRAM controller to get size of system memory. */ void ibm4xx_sdram_fixup_memsize(void) { @@ -34,6 +53,7 @@ void ibm4xx_sdram_fixup_memsize(void) memsize += SDRAM_CONFIG_BANK_SIZE(bank_config); } + memsize = chip_11_errata(memsize); dt_fixup_memory(0, memsize); } @@ -199,6 +219,7 @@ void ibm4xx_denali_fixup_memsize(void) bank = 4; /* 4 banks */ memsize = cs * (1 << (col+row)) * bank * dpath; + memsize = chip_11_errata(memsize); dt_fixup_memory(0, memsize); } |