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| author | Hauke Mehrtens <hauke@openwrt.org> | 2013-06-12 14:47:53 +0000 |
|---|---|---|
| committer | Hauke Mehrtens <hauke@openwrt.org> | 2013-06-12 14:47:53 +0000 |
| commit | 7a79a9e8f6544681f2352a27d15929340f3a2bd8 (patch) | |
| tree | 059ba4396db805a0ff0ad3d87c2753bf11212ced /target/linux/brcm47xx/patches-3.9/520-MIPS-BCM47XX-fix-time-for-WL520G-and-other-200-MHz-C.patch | |
| parent | 88d915351c36f2153a1000458a642cc4ce400a32 (diff) | |
| download | master-187ad058-7a79a9e8f6544681f2352a27d15929340f3a2bd8.tar.gz master-187ad058-7a79a9e8f6544681f2352a27d15929340f3a2bd8.tar.bz2 master-187ad058-7a79a9e8f6544681f2352a27d15929340f3a2bd8.zip | |
brcm47xx: add initial support for kernel 3.9
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@36926 3c298f89-4303-0410-b956-a3cf2f4a3e73
Diffstat (limited to 'target/linux/brcm47xx/patches-3.9/520-MIPS-BCM47XX-fix-time-for-WL520G-and-other-200-MHz-C.patch')
| -rw-r--r-- | target/linux/brcm47xx/patches-3.9/520-MIPS-BCM47XX-fix-time-for-WL520G-and-other-200-MHz-C.patch | 44 |
1 files changed, 44 insertions, 0 deletions
diff --git a/target/linux/brcm47xx/patches-3.9/520-MIPS-BCM47XX-fix-time-for-WL520G-and-other-200-MHz-C.patch b/target/linux/brcm47xx/patches-3.9/520-MIPS-BCM47XX-fix-time-for-WL520G-and-other-200-MHz-C.patch new file mode 100644 index 0000000000..ff670e87a9 --- /dev/null +++ b/target/linux/brcm47xx/patches-3.9/520-MIPS-BCM47XX-fix-time-for-WL520G-and-other-200-MHz-C.patch @@ -0,0 +1,44 @@ +--- a/arch/mips/bcm47xx/time.c ++++ b/arch/mips/bcm47xx/time.c +@@ -27,10 +27,14 @@ + #include <linux/ssb/ssb.h> + #include <asm/time.h> + #include <bcm47xx.h> ++#include <bcm47xx_nvram.h> + + void __init plat_time_init(void) + { + unsigned long hz = 0; ++ u16 chip_id = 0; ++ char buf[10]; ++ int len; + + /* + * Use deterministic values for initial counter interrupt +@@ -43,15 +47,26 @@ void __init plat_time_init(void) + #ifdef CONFIG_BCM47XX_SSB + case BCM47XX_BUS_TYPE_SSB: + hz = ssb_cpu_clock(&bcm47xx_bus.ssb.mipscore) / 2; ++ chip_id = bcm47xx_bus.ssb.chip_id; + break; + #endif + #ifdef CONFIG_BCM47XX_BCMA + case BCM47XX_BUS_TYPE_BCMA: + hz = bcma_cpu_clock(&bcm47xx_bus.bcma.bus.drv_mips) / 2; ++ chip_id = bcm47xx_bus.bcma.bus.chipinfo.id; + break; + #endif + } + ++ if (chip_id == 0x5354) { ++ len = bcm47xx_nvram_getenv("clkfreq", buf, sizeof(buf)); ++ if (len >= 0 && !strncmp(buf, "200", 4)) ++ hz = 100000000; ++ len = bcm47xx_nvram_getenv("hardware_version", buf, sizeof(buf)); ++ if (len >= 0 && !strncmp(buf, "WL520G", 6)) ++ hz = 100000000; ++ ++ } + if (!hz) + hz = 100000000; + |