[ar7] initialize clocks earlier for lpj to be correct (#7548)

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@23746 3c298f89-4303-0410-b956-a3cf2f4a3e73

diff --git a/target/linux/ar7/patches-2.6.32/170-clocks_init_earlier.patch b/target/linux/ar7/patches-2.6.32/170-clocks_init_earlier.patch
new file mode 100644 (file)
index 0000000..a0b384a
--- /dev/null
+++ b/target/linux/ar7/patches-2.6.32/170-clocks_init_earlier.patch
@@ -0,0 +1,53 @@
+--- a/arch/mips/ar7/clock.c
++++ b/arch/mips/ar7/clock.c
+@@ -232,12 +232,12 @@ static void tnetd7300_set_clock(u32 shif
+       calculate(base_clock, frequency, &prediv, &postdiv, &mul);
+ 
+       writel(((prediv - 1) << PREDIV_SHIFT) | (postdiv - 1), &clock->ctrl);
+-      msleep(1);
++      mdelay(1);
+       writel(4, &clock->pll);
+       while (readl(&clock->pll) & PLL_STATUS)
+               ;
+       writel(((mul - 1) << MUL_SHIFT) | (0xff << 3) | 0x0e, &clock->pll);
+-      msleep(75);
++      mdelay(75);
+ }
+ 
+ static void __init tnetd7300_init_clocks(void)
+@@ -407,7 +407,7 @@ static void __init tnetd7200_init_clocks
+       iounmap(bootcr);
+ }
+ 
+-int __init ar7_init_clocks(void)
++void __init ar7_init_clocks(void)
+ {
+       switch (ar7_chip_id()) {
+       case AR7_CHIP_7100:
+@@ -421,7 +421,4 @@ int __init ar7_init_clocks(void)
+       default:
+               break;
+       }
+-
+-      return 0;
+ }
+-arch_initcall(ar7_init_clocks);
+--- a/arch/mips/ar7/time.c
++++ b/arch/mips/ar7/time.c
+@@ -26,5 +26,7 @@
+ 
+ void __init plat_time_init(void)
+ {
++      ar7_init_clocks();
++
+       mips_hpt_frequency = ar7_cpu_freq() / 2;
+ }
+--- a/arch/mips/include/asm/mach-ar7/ar7.h
++++ b/arch/mips/include/asm/mach-ar7/ar7.h
+@@ -178,4 +178,6 @@ static inline void ar7_device_off(u32 bi
+       msleep(20);
+ }
+ 
++extern void __init ar7_init_clocks(void);
++
+ #endif /* __AR7_H__ */