RT3883_SYSC_REG_CLKCFG1
clkcfg1 = rt_sysc_r32(RT3883_SYSC_REG_CLKCFG1);
rt_sysc_w32(clkcfg1, RT3883_SYSC_REG_CLKCFG1);
t = rt_sysc_r32(RT3883_SYSC_REG_CLKCFG1);
rt_sysc_w32(t, RT3883_SYSC_REG_CLKCFG1);