ramips: implement clock API for RT288x

[openwrt/openwrt.git] / target / linux / ramips / files / arch / mips / ralink / rt288x / rt288x.c

diff --git a/target/linux/ramips/files/arch/mips/ralink/rt288x/rt288x.c b/target/linux/ramips/files/arch/mips/ralink/rt288x/rt288x.c
index 49a301a1e1e0f8a8fff6981e5498f44ee2cb77f9..467a637e4683fd2fee25c554a57cd7ed05dab970 100644 (file)
--- a/target/linux/ramips/files/arch/mips/ralink/rt288x/rt288x.c
+++ b/target/linux/ramips/files/arch/mips/ralink/rt288x/rt288x.c
@@ -20,12 +20,6 @@
 #include <asm/mach-ralink/rt288x.h>
 #include <asm/mach-ralink/rt288x_regs.h>
 
-unsigned long rt288x_cpu_freq;
-EXPORT_SYMBOL_GPL(rt288x_cpu_freq);
-
-unsigned long rt288x_sys_freq;
-EXPORT_SYMBOL_GPL(rt288x_sys_freq);
-
 void __iomem * rt288x_sysc_base;
 void __iomem * rt288x_memc_base;
 
@@ -49,31 +43,6 @@ void __init rt288x_detect_sys_type(void)
                (id & CHIP_ID_REV_MASK));
 }
 
-void __init rt288x_detect_sys_freq(void)
-{
-       u32     t;
-
-       t = rt288x_sysc_rr(SYSC_REG_SYSTEM_CONFIG);
-       t = ((t >> SYSTEM_CONFIG_CPUCLK_SHIFT) & SYSTEM_CONFIG_CPUCLK_MASK);
-
-       switch (t) {
-       case SYSTEM_CONFIG_CPUCLK_250:
-               rt288x_cpu_freq = 250000000;
-               break;
-       case SYSTEM_CONFIG_CPUCLK_266:
-               rt288x_cpu_freq = 266666667;
-               break;
-       case SYSTEM_CONFIG_CPUCLK_280:
-               rt288x_cpu_freq = 280000000;
-               break;
-       case SYSTEM_CONFIG_CPUCLK_300:
-               rt288x_cpu_freq = 300000000;
-               break;
-       }
-
-       rt288x_sys_freq = rt288x_cpu_freq / 2;
-}
-
 static void rt288x_gpio_reserve(int first, int last)
 {
        for (; first <= last; first++)