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authorhauke <hauke@3c298f89-4303-0410-b956-a3cf2f4a3e73>2013-07-14 13:44:45 +0000
committerhauke <hauke@3c298f89-4303-0410-b956-a3cf2f4a3e73>2013-07-14 13:44:45 +0000
commitd1fe9ae4b4d812824fd58bfb65ae8370a6222524 (patch)
treebae55f3e27f76f5ad1220579179cacfbfb41d373 /target/linux/brcm47xx/patches-3.10/520-MIPS-BCM47XX-fix-time-for-WL520G-and-other-200-MHz-C.patch
parent73ae2cd726a08be048725580c5abc492aa607aac (diff)
brcm47xx: add initial support for kernel 3.10
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@37287 3c298f89-4303-0410-b956-a3cf2f4a3e73
Diffstat (limited to 'target/linux/brcm47xx/patches-3.10/520-MIPS-BCM47XX-fix-time-for-WL520G-and-other-200-MHz-C.patch')
-rw-r--r--target/linux/brcm47xx/patches-3.10/520-MIPS-BCM47XX-fix-time-for-WL520G-and-other-200-MHz-C.patch44
1 files changed, 44 insertions, 0 deletions
diff --git a/target/linux/brcm47xx/patches-3.10/520-MIPS-BCM47XX-fix-time-for-WL520G-and-other-200-MHz-C.patch b/target/linux/brcm47xx/patches-3.10/520-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-3.10/520-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;
+