--- /dev/null
+--- 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 +47,23 @@ 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;
++ }
++
+ if (!hz)
+ hz = 100000000;
+
+++ /dev/null
---- 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;
-
--- /dev/null
+--- a/arch/mips/bcm47xx/time.c
++++ b/arch/mips/bcm47xx/time.c
+@@ -28,6 +28,7 @@
+ #include <asm/time.h>
+ #include <bcm47xx.h>
+ #include <bcm47xx_nvram.h>
++#include <bcm47xx_board.h>
+
+ void __init plat_time_init(void)
+ {
+@@ -35,6 +36,7 @@ void __init plat_time_init(void)
+ u16 chip_id = 0;
+ char buf[10];
+ int len;
++ enum bcm47xx_board board = bcm47xx_board_get();
+
+ /*
+ * Use deterministic values for initial counter interrupt
+@@ -64,6 +66,15 @@ void __init plat_time_init(void)
+ hz = 100000000;
+ }
+
++ switch (board) {
++ case BCM47XX_BOARD_ASUS_WL520GC:
++ case BCM47XX_BOARD_ASUS_WL520GU:
++ hz = 100000000;
++ break;
++ default:
++ break;
++ }
++
+ if (!hz)
+ hz = 100000000;
+