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when set rUBRDIV=0x11 can output correct.
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@ -30,9 +30,6 @@ void serial_init (const int ubrdiv_val,const int uart)
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case UART0:
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rULCON0 = 0x3;
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rUCON0 = 0x245;
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rGPHCON = rGPHCON & ~(3 << 16);
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delay(1);
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rGPHCON = rGPHCON & ~(3 << 16)|(1 << 17);
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rUFCON0 = 0x0;
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rUMCON0 = 0x0;
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rUBRDIV0 = ubrdiv_val;
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@ -47,10 +44,7 @@ void serial_init (const int ubrdiv_val,const int uart)
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case UART2:
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rULCON2 = 0x3;
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rUCON2 = 0x245;
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rGPHCON = rGPHCON & ~(3 << 16);
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delay(1);
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rGPHCON = rGPHCON & ~(3 << 16)|(1 << 17);
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rUFCON2 = 0x0;
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rUFCON2 = 0x1;
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rUBRDIV2 = ubrdiv_val;
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break;
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default:
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@ -89,8 +89,8 @@ start_code:
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# define UPLLCON 0x4c000008
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# define MPLLCON_val ((142 << 12) + (7 << 4) + 1)
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# define UPLLCON_val (( 88 << 12) + (8 << 4) + 2)
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/*# define MPLLCON_val ((0x7d << 12) + (0x2 << 4) + 0x1)
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# define UPLLCON_val ((0x38 << 12) + (0x2 << 4) + 0x2)*/
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/* # define MPLLCON_val ((0x7d << 12) + (0x2 << 4) + 0x1)
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# define UPLLCON_val ((0x38 << 12) + (0x2 << 4) + 0x2) */
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ldr r0, =UPLLCON
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ldr r1, =UPLLCON_val
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@ -40,9 +40,9 @@ unsigned char buf[2*1024];
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int start_kboot(void)
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{
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port_init();
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serial_init(0x7,UART0);
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serial_init(0x11,UART2);
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while(1){
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serial_putc (UART0,'0');
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serial_putc (UART2,'2');
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blue_on(1);
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}
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