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author | Ingo Molnar <mingo@elte.hu> | 2008-06-16 11:27:45 +0200 |
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committer | Ingo Molnar <mingo@elte.hu> | 2008-06-16 11:27:45 +0200 |
commit | d939d2851fd12568e2eabb2916769e8a57ba5c89 (patch) | |
tree | f3158a5ddd41541a61126f9e48de1ce89c632f64 /arch/powerpc/boot/4xx.c | |
parent | 9f5314fb4d556d3132c784d0df47352b2830ca53 (diff) | |
parent | 066519068ad2fbe98c7f45552b1f592903a9c8c8 (diff) |
Merge branch 'linus' into x86/irqtip-x86-irq-2008-06-16_09.27_Mon
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 758edf1c5815..5c878436f348 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); } |