gonzui

mtkernel_3

kernel/sysdepend/cpu/rx231/cpu_clock.c - 2.3KB - 68 lines

37: 
38:         while(!(in_b(SYSTEM_OSCOVFSR) & 0x01));                /* Wait Main Clock Stabilization */
39: 
41:         out_b(SYSTEM_PLLCR2, 0x00);                    /* Enable PLL */
42:         while(!(in_b(SYSTEM_OSCOVFSR) & 0x04));                /* Wait PLL Stabilization */
43: 
45:         out_b(SYSTEM_UPLLCR2, 0x00);                   /* Enable UPLL */
46:         while( !(in_b(SYSTEM_OSCOVFSR) & 0x20));       /* Wait UPLL Stabilization */
47: 
48:         out_b(SYSTEM_OPCCR, 0x00);                     /* High Speed Mode */
49:         while( in_b(SYSTEM_OPCCR) & 0x10);             /* Wait Transition Completed */
50: