-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;
-}
-