# MCK initialization script for the AT91SAM9263 #------------------------------------------------ echo Configuring the master clock...\n # Enable main oscillator set *0xFFFFFC20 = 0x00004001 while ((*0xFFFFFC68 & 0x1) == 0) end # Set PLLA to 200MHz set *0xFFFFFC28 = 0x206DBF09 while ((*0xFFFFFC68 & 0x2) == 0) end # Select prescaler set *0xFFFFFC30 = 0x00000100 while ((*0xFFFFFC68 & 0x8) == 0) end # Select master clock set *0xFFFFFC30 = 0x00000102 while ((*0xFFFFFC68 & 0x8) == 0) end echo Master clock ok.\n