diff options
| author | Roman Yeryomin <roman@advem.lv> | 2013-05-26 01:02:55 +0300 |
|---|---|---|
| committer | Roman Yeryomin <roman@advem.lv> | 2013-05-26 01:02:55 +0300 |
| commit | 342045a35b1981a89e4bc80842b10c065e1050da (patch) | |
| tree | 4140720b20e8d641c11da882010d6130a75fef21 /target/linux/brcm47xx/patches-3.6/010-MIPS-BCM47XX-ignore-last-memory-page.patch | |
| parent | 7338133dde8238afce34676214b494c8db96689b (diff) | |
| parent | 1a116ce7818ecee5d167a9c0ebb1a0feca9120e6 (diff) | |
Merge trunk into realtek-unstable
Conflicts:
Config.in
feeds.conf.default
package/base-files/files/etc/hotplug2-common.rules
package/network/config/netifd/files/etc/init.d/network
Diffstat (limited to 'target/linux/brcm47xx/patches-3.6/010-MIPS-BCM47XX-ignore-last-memory-page.patch')
| -rw-r--r-- | target/linux/brcm47xx/patches-3.6/010-MIPS-BCM47XX-ignore-last-memory-page.patch | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/target/linux/brcm47xx/patches-3.6/010-MIPS-BCM47XX-ignore-last-memory-page.patch b/target/linux/brcm47xx/patches-3.6/010-MIPS-BCM47XX-ignore-last-memory-page.patch new file mode 100644 index 000000000..a2a7b9f5f --- /dev/null +++ b/target/linux/brcm47xx/patches-3.6/010-MIPS-BCM47XX-ignore-last-memory-page.patch @@ -0,0 +1,33 @@ +--- a/arch/mips/bcm47xx/prom.c ++++ b/arch/mips/bcm47xx/prom.c +@@ -27,6 +27,7 @@ + #include <linux/types.h> + #include <linux/kernel.h> + #include <linux/spinlock.h> ++#include <linux/smp.h> + #include <asm/bootinfo.h> + #include <asm/fw/cfe/cfe_api.h> + #include <asm/fw/cfe/cfe_error.h> +@@ -127,6 +128,7 @@ static __init void prom_init_mem(void) + { + unsigned long mem; + unsigned long max; ++ struct cpuinfo_mips *c = ¤t_cpu_data; + + /* Figure out memory size by finding aliases. + * +@@ -155,6 +157,14 @@ 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 (c->cputype == CPU_74K && (mem == (128 << 20))) ++ mem -= 0x1000; ++ + add_memory_region(0, mem, BOOT_MEM_RAM); + } + |