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| author | Hauke Mehrtens <hauke@hauke-m.de> | 2009-11-13 20:32:47 +0000 |
|---|---|---|
| committer | Hauke Mehrtens <hauke@hauke-m.de> | 2009-11-13 20:32:47 +0000 |
| commit | 30f859403a53ea5d51867065408a379acea6f1b4 (patch) | |
| tree | 9897294142072297dba5535062c20b7b90bde5bd /target/linux/brcm-2.4 | |
| parent | 00808aaff32e58946f5da370068fd875aa3ae5c8 (diff) | |
| download | mtk-20170518-30f859403a53ea5d51867065408a379acea6f1b4.zip mtk-20170518-30f859403a53ea5d51867065408a379acea6f1b4.tar.gz mtk-20170518-30f859403a53ea5d51867065408a379acea6f1b4.tar.bz2 | |
fix problem with 128MB ram.
This patch is out of broadcoms official source code
SVN-Revision: 18413
Diffstat (limited to 'target/linux/brcm-2.4')
| -rw-r--r-- | target/linux/brcm-2.4/files/arch/mips/bcm947xx/prom.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/target/linux/brcm-2.4/files/arch/mips/bcm947xx/prom.c b/target/linux/brcm-2.4/files/arch/mips/bcm947xx/prom.c index be628da..f635b4a 100644 --- a/target/linux/brcm-2.4/files/arch/mips/bcm947xx/prom.c +++ b/target/linux/brcm-2.4/files/arch/mips/bcm947xx/prom.c @@ -31,6 +31,15 @@ prom_init(int argc, const char **argv) *(unsigned long *)(prom_init)) break; } + + /* Ignoring the last page when ddr size is 128M. Cached + * accesses to last page is causing the processor to prefetch + * using address above 128M stepping out of the ddr address + * space. + */ + if (mem == 0x8000000) + mem -= 0x1000; + add_memory_region(0, mem, BOOT_MEM_RAM); } |