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the serial console begin output something
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xiangfu
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@ -56,4 +56,4 @@ blink_led:src/led_on.S
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$(OBJCOPY) -O binary -S led_on_temp.o $(IMAGE)/led_on
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clean:
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rm -f src/*.o src/*~ ${IMAGE}* ${TARGET}
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rm -f src/*.o src/*~ include/*~ ${IMAGE}* ${TARGET}
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@ -24,6 +24,8 @@
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#define UART1 1
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#define UART2 2
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#define rGPHCON (*(volatile unsigned *)0x56000070) /*UART 0 Line control*/
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#define rULCON0 (*(volatile unsigned *)0x50000000) /*UART 0 Line control*/
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#define rUCON0 (*(volatile unsigned *)0x50000004) /*UART 0 Control*/
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#define rUFCON0 (*(volatile unsigned *)0x50000008) /*UART 0 FIFO control*/
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@ -59,5 +61,44 @@
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#define WrUTXH2(ch) (*(volatile unsigned char *)0x50008020)=(unsigned char)(ch)
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#define RdURXH2() (*(volatile unsigned char *)0x50008024)
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// I/O PORT
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#define rGPACON (*(volatile unsigned *)0x56000000)
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#define rGPADAT (*(volatile unsigned *)0x56000004)
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#define rGPBCON (*(volatile unsigned *)0x56000010)
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#define rGPBDAT (*(volatile unsigned *)0x56000014)
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#define rGPBUP (*(volatile unsigned *)0x56000018)
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#define rGPCCON (*(volatile unsigned *)0x56000020)
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#define rGPCDAT (*(volatile unsigned *)0x56000024)
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#define rGPCUP (*(volatile unsigned *)0x56000028)
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#define rGPDCON (*(volatile unsigned *)0x56000030)
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#define rGPDDAT (*(volatile unsigned *)0x56000034)
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#define rGPDUP (*(volatile unsigned *)0x56000038)
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#define rGPECON (*(volatile unsigned *)0x56000040)
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#define rGPEDAT (*(volatile unsigned *)0x56000044)
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#define rGPEUP (*(volatile unsigned *)0x56000048)
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#define rGPFCON (*(volatile unsigned *)0x56000050)
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#define rGPFDAT (*(volatile unsigned *)0x56000054)
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#define rGPFUP (*(volatile unsigned *)0x56000058)
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#define rGPGCON (*(volatile unsigned *)0x56000060)
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#define rGPGDAT (*(volatile unsigned *)0x56000064)
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#define rGPGUP (*(volatile unsigned *)0x56000068)
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#define rGPHCON (*(volatile unsigned *)0x56000070)
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#define rGPHDAT (*(volatile unsigned *)0x56000074)
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#define rGPHUP (*(volatile unsigned *)0x56000078)
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#define rGPJCON (*(volatile unsigned *)0x560000d0) //Port J control
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#define rGPJDAT (*(volatile unsigned *)0x560000d4) //Port J data
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#define rGPJUP (*(volatile unsigned *)0x560000d8) //Port J data
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void port_init(void);
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void serial_init (const int ubrdiv_val,const int uart);
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void serial_putc (const int uart,const char c);
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@ -30,6 +30,9 @@ 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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@ -44,6 +47,9 @@ 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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rUBRDIV2 = ubrdiv_val;
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break;
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@ -60,16 +66,17 @@ void serial_putc (const int uart,const char c)
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{
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case UART0:
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while ( !( rUTRSTAT0 & 0x2 ) );
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delay(10);
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delay(1);
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WrUTXH0(c);
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break;
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case UART1:
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while ( !( rUTRSTAT1 & 0x2 ) );
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delay(10);
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delay(1);
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WrUTXH1(c);
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break;
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case UART2:
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while ( !( rUTRSTAT2 & 0x2 ) );
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delay(1);
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WrUTXH2(c);
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break;
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default:
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@ -77,3 +84,121 @@ void serial_putc (const int uart,const char c)
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}
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}
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/*
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* =====================================================================
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* PORTS Librarues
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* =====================================================================
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*/
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void port_init(void)
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{
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//CAUTION:Follow the configuration order for setting the ports.
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// 1) setting value(GPnDAT)
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// 2) setting control register (GPnCON)
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// 3) configure pull-up resistor(GPnUP)
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/* 32bit data bus configuration */
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/*
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* === PORT A GROUP
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* Ports : GPA22 GPA21 GPA20 GPA19 GPA18 GPA17 GPA16 GPA15 GPA14 GPA13 GPA12
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* Signal : nFCE nRSTOUT nFRE nFWE ALE CLE nGCS5 nGCS4 nGCS3 nGCS2 nGCS1
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* Binary : 1 1 1 , 1 1 1 1 , 1 1 1 1
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* Ports : GPA11 GPA10 GPA9 GPA8 GPA7 GPA6 GPA5 GPA4 GPA3 GPA2 GPA1 GPA0
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* Signal : ADDR26 ADDR25 ADDR24 ADDR23 ADDR22 ADDR21 ADDR20 ADDR19 ADDR18 ADDR17 ADDR16 ADDR0
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* Binary : 1 1 1 1 , 1 1 1 1 , 1 1 1 1
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*/
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rGPACON = 0x007E5FFF;
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rGPADAT |= (1 << 16); /* Set GPA16 to high (nNAND_WP) */
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/*
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* ===* PORT B GROUP
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* Ports : GPB10 GPB9 GPB8 GPB7 GPB6 GPB5 GPB4 GPB3 GPB2 GPB1 GPB0
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* Signal : nXDREQ0 nXDACK0 nXDREQ1 nXDACK1 nSS_KBD nDIS_OFF L3CLOCK L3DATA L3MODE nIrDATXDEN Keyboard
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* Setting: INPUT OUTPUT INPUT OUTPUT INPUT OUTPUT OUTPUT OUTPUT OUTPUT OUTPUT OUTPUT
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* Binary : 00 , 01 00 , 01 00 , 01 01 , 01 01 , 01 01
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*/
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rGPBCON = 0x00155555;
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rGPBUP = 0x000007FF;
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/*
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* === PORT C GROUP
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* Ports : GPC15 GPC14 GPC13 GPC12 GPC11 GPC10 GPC9 GPC8 GPC7 GPC6 GPC5 GPC4 GPC3 GPC2 GPC1 GPC0
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* Signal : VD7 VD6 VD5 VD4 VD3 VD2 VD1 VD0 LCDVF2 LCDVF1 LCDVF0 VM VFRAME VLINE VCLK LEND
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* Binary : 10 10 , 10 10 , 10 10 , 10 10 , 10 10 , 10 10 , 10 10 , 10 10
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*/
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rGPCCON = 0x55555155;
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rGPCUP = 0x0000FFFF & ~(1 << 5);
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rGPCDAT |= (1 << 13) | (1 << 15); /* index detect -> hi */
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/*
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* === PORT D GROUP
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* Ports : GPD15 GPD14 GPD13 GPD12 GPD11 GPD10 GPD9 GPD8 GPD7 GPD6 GPD5 GPD4 GPD3 GPD2 GPD1 GPD0
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* Signal : VD23 VD22 VD21 VD20 VD19 VD18 VD17 VD16 VD15 VD14 VD13 VD12 VD11 VD10 VD9 VD8
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* Binary : 10 10 , 10 10 , 10 10 , 10 10 , 10 10 , 10 10 , 10 10 ,10 10
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*/
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rGPDCON = 0x55555555;
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rGPDUP = 0x0000FFFF;
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rGPDDAT |= (1 << 0) | (1 << 3) | (1 << 4); /* index detect -> hi */
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/*
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* === PORT E GROUP
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* Ports : GPE15 GPE14 GPE13 GPE12 GPE11 GPE10 GPE9 GPE8 GPE7 GPE6 GPE5 GPE4
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* Signal : IICSDA IICSCL SPICLK SPIMOSI SPIMISO SDDATA3 SDDATA2 SDDATA1 SDDATA0 SDCMD SDCLK I2SSDO
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* Binary : 10 10 , 10 10 , 10 10 , 10 10 , 10 10 , 10 10 ,
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* -------------------------------------------------------------------------------------------------------
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* Ports : GPE3 GPE2 GPE1 GPE0
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* Signal : I2SSDI CDCLK I2SSCLK I2SLRCK
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* Binary : 10 10 , 10 10
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*/
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rGPECON = 0xAAAAAAAA;
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rGPEUP = 0x0000FFFF & ~(1 << 11);
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/*
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* === PORT F GROUP
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* Ports : GPF7 GPF6 GPF5 GPF4 GPF3 GPF2 GPF1 GPF0
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* Signal : nLED_8 nLED_4 nLED_2 nLED_1 nIRQ_PCMCIA EINT2 KBDINT EINT0
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* Setting: Output Output Output Output EINT3 EINT2 EINT1 EINT0
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* Binary : 01 01 , 01 01 , 10 10 , 10 10
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*/
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/* pulldown on GPF03: TP-4705+debug - debug conn will float */
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rGPFCON = 0x0000AAAA;
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rGPFUP = 0x000000FF & ~(1 << 3);
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/*
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* === PORT G GROUP
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* Ports : GPG15 GPG14 GPG13 GPG12 GPG11 GPG10 GPG9 GPG8 GPG7 GPG6
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* Signal : nYPON YMON nXPON XMON EINT19 DMAMODE1 DMAMODE0 DMASTART KBDSPICLK KBDSPIMOSI
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* Setting: nYPON YMON nXPON XMON EINT19 Output Output Output SPICLK1 SPIMOSI1
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* Binary : 11 11 , 11 11 , 10 01 , 01 01 , 11 11
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* -----------------------------------------------------------------------------------------
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* Ports : GPG5 GPG4 GPG3 GPG2 GPG1 GPG0
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* Signal : KBDSPIMISO LCD_PWREN EINT11 nSS_SPI IRQ_LAN IRQ_PCMCIA
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* Setting: SPIMISO1 LCD_PWRDN EINT11 nSS0 EINT9 EINT8
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* Binary : 11 11 , 10 11 , 10 10
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*/
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rGPGCON = 0x01AAFE79;
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rGPGUP = 0x0000FFFF;
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/*
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* === PORT H GROUP
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* Ports : GPH10 GPH9 GPH8 GPH7 GPH6 GPH5 GPH4 GPH3 GPH2 GPH1 GPH0
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* Signal : CLKOUT1 CLKOUT0 UCLK nCTS1 nRTS1 RXD1 TXD1 RXD0 TXD0 nRTS0 nCTS0
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* Binary : 10 , 10 10 , 11 11 , 10 10 , 10 10 , 10 10
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*/
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/* pulldown on GPH08: UEXTCLK, just floats!
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* pulldown GPH0 -- nCTS0 / RTS_MODEM -- floats when GSM off
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* pulldown GPH3 -- RXD[0] / TX_MODEM -- floats when GSM off
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*/
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rGPHCON = 0x001AAAAA;
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rGPHUP = 0x000007FF & ~(1 << 8) & ~(1 << 0) & ~(1 << 3);
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/* pulldown on GPJ00: input, just floats! */
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/* pulldown on GPJ07: WLAN module WLAN_GPIO0, no ext pull */
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rGPJCON = 0x1551544;
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rGPJUP = 0x1ffff & ~(1 << 0) & ~(1 << 7);
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rGPJDAT |= (1 << 4) | (1 << 6);
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/* Set GPJ4 to high (nGSM_EN) */
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/* Set GPJ6 to high (nDL_GSM) */
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rGPJDAT &= ~(1 << 5); /* Set GPJ5 to low 3D RST */
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/* leaving Glamo forced to Reset# active here killed
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* U-Boot when you touched the memory region
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*/
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rGPJDAT |= (1 << 5); /* Set GPJ5 to high 3D RST */
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}
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@ -86,9 +86,11 @@ start_code:
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mov r1, #0xffffff
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str r1, [r0]
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# define MPLLCON_val ((142 << 12) + (7 << 4) + 1)
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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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ldr r0, =UPLLCON
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ldr r1, =UPLLCON_val
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@ -116,7 +118,7 @@ start_code:
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/* enable uart */
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ldr r0, =0x4c00000c /* clkcon */
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ldr r1, =0xffff0 /* all clocks on */
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ldr r1, =0x7fff0 /* all clocks on */
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str r1, [r0]
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/* gpio UART0 init */
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@ -134,7 +136,7 @@ start_code:
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str r1, [r0, #0x08]
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mov r1, #0x00
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str r1, [r0, #0x0c]
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mov r1, #0x11
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mov r1, #0x7
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str r1, [r0, #0x28] */
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bl cpu_init_crit
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@ -39,7 +39,8 @@ unsigned char buf[2*1024];
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int start_kboot(void)
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{
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serial_init(0x11,UART0);
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port_init();
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serial_init(0x7,UART0);
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while(1){
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serial_putc (UART0,'0');
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blue_on(1);
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