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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/brcm47xx | |
| parent | 00808aaff32e58946f5da370068fd875aa3ae5c8 (diff) | |
| download | upstream-30f859403a53ea5d51867065408a379acea6f1b4.tar.gz upstream-30f859403a53ea5d51867065408a379acea6f1b4.tar.bz2 upstream-30f859403a53ea5d51867065408a379acea6f1b4.zip | |
fix problem with 128MB ram.
This patch is out of broadcoms official source code
SVN-Revision: 18413
Diffstat (limited to 'target/linux/brcm47xx')
3 files changed, 51 insertions, 0 deletions
diff --git a/target/linux/brcm47xx/patches-2.6.28/170-128MB_ram_bugfix.patch b/target/linux/brcm47xx/patches-2.6.28/170-128MB_ram_bugfix.patch new file mode 100644 index 0000000000..e54e3de409 --- /dev/null +++ b/target/linux/brcm47xx/patches-2.6.28/170-128MB_ram_bugfix.patch @@ -0,0 +1,17 @@ +--- a/arch/mips/bcm47xx/prom.c ++++ b/arch/mips/bcm47xx/prom.c +@@ -141,6 +141,14 @@ static __init void prom_init_mem(void) + 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); + } + diff --git a/target/linux/brcm47xx/patches-2.6.30/170-128MB_ram_bugfix.patch b/target/linux/brcm47xx/patches-2.6.30/170-128MB_ram_bugfix.patch new file mode 100644 index 0000000000..e54e3de409 --- /dev/null +++ b/target/linux/brcm47xx/patches-2.6.30/170-128MB_ram_bugfix.patch @@ -0,0 +1,17 @@ +--- a/arch/mips/bcm47xx/prom.c ++++ b/arch/mips/bcm47xx/prom.c +@@ -141,6 +141,14 @@ static __init void prom_init_mem(void) + 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); + } + diff --git a/target/linux/brcm47xx/patches-2.6.31/170-128MB_ram_bugfix.patch b/target/linux/brcm47xx/patches-2.6.31/170-128MB_ram_bugfix.patch new file mode 100644 index 0000000000..e54e3de409 --- /dev/null +++ b/target/linux/brcm47xx/patches-2.6.31/170-128MB_ram_bugfix.patch @@ -0,0 +1,17 @@ +--- a/arch/mips/bcm47xx/prom.c ++++ b/arch/mips/bcm47xx/prom.c +@@ -141,6 +141,14 @@ static __init void prom_init_mem(void) + 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); + } + |