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git://projects.qi-hardware.com/xburst-tools.git
synced 2024-12-23 15:05:29 +02:00
add init serial console in serial.c
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@ -37,5 +37,6 @@
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int orange_on(int times);
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int blue_on(int times);
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int blink_led(void);
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int delay(int time);
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#endif /* __BLINK_LED_H */
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@ -20,9 +20,44 @@
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* MA 02111-1307 USA
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*/
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#define rUTXH0 (*(volatile unsigned char *)0x50000023)
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#define UTRSTAT (*(volatile unsigned char *)0x50000010)
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#define UART0 0
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#define UART1 1
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#define UART2 2
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void serial_putc (const char c);
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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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#define rUMCON0 (*(volatile unsigned *)0x5000000c) /*UART 0 Modem control*/
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#define rUTRSTAT0 (*(volatile unsigned *)0x50000010) /*UART 0 Tx/Rx status*/
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#define rUERSTAT0 (*(volatile unsigned *)0x50000014) /*UART 0 Rx error status*/
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#define rUFSTAT0 (*(volatile unsigned *)0x50000018) /*UART 0 FIFO status*/
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#define rUMSTAT0 (*(volatile unsigned *)0x5000001c) /*UART 0 Modem status*/
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#define rUBRDIV0 (*(volatile unsigned *)0x50000028) /*UART 0 Baud rate divisor*/
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#define rULCON1 (*(volatile unsigned *)0x50004000) /*UART 1 Line control*/
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#define rUCON1 (*(volatile unsigned *)0x50004004) /*UART 1 Control*/
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#define rUFCON1 (*(volatile unsigned *)0x50004008) /*UART 1 FIFO control*/
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#define rUMCON1 (*(volatile unsigned *)0x5000400c) /*UART 1 Modem control*/
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#define rUTRSTAT1 (*(volatile unsigned *)0x50004010) /*UART 1 Tx/Rx status*/
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#define rUERSTAT1 (*(volatile unsigned *)0x50004014) /*UART 1 Rx error status*/
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#define rUFSTAT1 (*(volatile unsigned *)0x50004018) /*UART 1 FIFO status*/
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#define rUMSTAT1 (*(volatile unsigned *)0x5000401c) /*UART 1 Modem status*/
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#define rUBRDIV1 (*(volatile unsigned *)0x50004028) /*UART 1 Baud rate divisor*/
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#define rULCON2 (*(volatile unsigned *)0x50008000) /*UART 2 Line control*/
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#define rUCON2 (*(volatile unsigned *)0x50008004) /*UART 2 Control*/
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#define rUFCON2 (*(volatile unsigned *)0x50008008) /*UART 2 FIFO control*/
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#define rUTRSTAT2 (*(volatile unsigned *)0x50008010) /*UART 2 Tx/Rx status*/
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#define rUERSTAT2 (*(volatile unsigned *)0x50008014) /*UART 2 Rx error status*/
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#define rUFSTAT2 (*(volatile unsigned *)0x50008018) /*UART 2 FIFO status*/
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#define rUBRDIV2 (*(volatile unsigned *)0x50008028) /*UART 2 Baud rate divisor*/
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#define WrUTXH0(ch) (*(volatile unsigned char *)0x50000020)=(unsigned char)(ch)
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#define RdURXH0() (*(volatile unsigned char *)0x50000024)
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#define WrUTXH1(ch) (*(volatile unsigned char *)0x50004020)=(unsigned char)(ch)
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#define RdURXH1() (*(volatile unsigned char *)0x50004024)
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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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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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@ -15,11 +15,7 @@
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* Author: Harald Welte <laforge@openmoko.org>
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*/
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/*#include <common.h>
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#include <linux/mtd/nand.h>
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*/
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#include "nand_read.h"
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#include "blink_led.h"
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#define NAND_CMD_READ0 0
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#define NAND_CMD_READSTART 0x30
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@ -108,6 +104,7 @@ static int nand_read_page_ll(unsigned char *buf, unsigned long addr)
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int nand_read_ll(unsigned char *buf, unsigned long start_addr, int size)
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{
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int i, j;
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int bad_count = 0;
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if ((start_addr & NAND_BLOCK_MASK) || (size & NAND_BLOCK_MASK))
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return -1; /* invalid alignment */
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@ -121,13 +118,15 @@ int nand_read_ll(unsigned char *buf, unsigned long start_addr, int size)
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if (i % NAND_BLOCK_SIZE == 0) {
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if (is_bad_block(i) ||
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is_bad_block(i + NAND_PAGE_SIZE)) {
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orange_on(1);
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i += NAND_BLOCK_SIZE;
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size += NAND_BLOCK_SIZE;
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if(bad_count++ == 4) {
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return -1;
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}
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continue;
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}
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}
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blue_on(1);
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j = nand_read_page_ll(buf, i);
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i += j;
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/* buf += j;*/
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@ -20,14 +20,60 @@
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* MA 02111-1307 USA
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*/
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# include <serial.h>
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#include "serial.h"
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#include "blink_led.h"
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void serial_init (const int ubrdiv_val,const int uart)
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{
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switch(uart)
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{
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case UART0:
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rULCON0 = 0x3;
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rUCON0 = 0x245;
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rUFCON0 = 0x0;
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rUMCON0 = 0x0;
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rUBRDIV0 = ubrdiv_val;
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break;
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case UART1:
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rULCON1 = 0x3;
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rUCON1 = 0x245;
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rUFCON1 = 0x0;
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rUMCON1 = 0x0;
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rUBRDIV1 = ubrdiv_val;
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break;
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case UART2:
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rULCON2 = 0x3;
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rUCON2 = 0x245;
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rUFCON2 = 0x0;
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rUBRDIV2 = ubrdiv_val;
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break;
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default:
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break;
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}
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}
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/*
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* Output a single byte to the serial port.
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*/
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void serial_putc (const char c)
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void serial_putc (const int uart,const char c)
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{
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while (!(UTRSTAT & 0x2));
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rUTXH0 = c;
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switch(uart)
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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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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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WrUTXH1(c);
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break;
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case UART2:
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while ( !( rUTRSTAT2 & 0x2 ) );
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WrUTXH2(c);
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break;
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default:
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break;
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}
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}
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@ -46,17 +46,19 @@ start_code:
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orr r0,r0,#0xd3
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msr cpsr,r0
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/* turn off the watchdog */
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# define pWTCON 0x53000000
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ldr r0, =pWTCON
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mov r1, #0x0
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str r1, [r0]
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/*
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* mask all IRQs by setting all bits in the INTMR - default
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*/
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# define INTMSK 0x4A000008 /* Interupt-Controller base addresses */
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# define INTSUBMSK 0x4A00001C
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# define INTSUBMSK_val 0xffff
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# define INTSUBMSK_val 0x0000ffff
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mov r1, #0xffffffff
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ldr r0, =INTMSK
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str r1, [r0]
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@ -65,8 +67,10 @@ start_code:
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ldr r0, =INTSUBMSK
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str r1, [r0]
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/* Make sure we get FCLK:HCLK:PCLK = 1:3:6 */
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# define CAMDIVN 0x4C000018
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# define CAMDIVN 0x4C000018
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ldr r0, =CAMDIVN
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mov r1, #0
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str r1, [r0]
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@ -76,21 +80,21 @@ start_code:
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orr r1, r1, #0xc0000000
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mcr p15, 0, r1, c1, c0, 0
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# define LOCKTIME 0x4c000000
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# define UPLLCON 0x4c000008
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# define UPLLCON_val (( 88 << 12) + (8 << 4) + 2)
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# define MPLLCON 0x4c000004
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# define MPLLCON_val ((142 << 12) + (7 << 4) + 1)
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#define LOCKTIME 0x4c000000
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ldr r0, =LOCKTIME
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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 UPLLCON_val (( 88 << 12) + (8 << 4) + 2)
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ldr r0, =UPLLCON
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ldr r1, =UPLLCON_val
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str r1, [r0]
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/* Page 7-23 in s3c2442B manual, seven nops between UPLL and MPLL */
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/* Page 7-19, seven nops between UPLL and MPLL */
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nop
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nop
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nop
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@ -99,49 +103,46 @@ start_code:
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nop
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nop
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ldr r0, =MPLLCON
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ldr r1, =MPLLCON_val
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str r1, [r0] /* MPLLCON */
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str r1, [r0, #-4] /* MPLLCON */
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# define CLKDIVN 0x4C000014 /* clock divisor register */
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# define CLKDIVN_val 7 /* FCLK:HCLK:PCLK = 1:3:6 */
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# define CLKDIVN_val 7 /* FCLK:HCLK:PCLK = 1:3:6 */
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/* FCLK:HCLK:PCLK = 1:3:6 */
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ldr r0, =CLKDIVN
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mov r1, #CLKDIVN_val
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str r1, [r0]
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/* enable uart */
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ldr r0, =0x4c00000c /* clkcon */
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ldr r1, =0x7fff0 /* all clocks on */
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ldr r0, =0x4c00000c /* clkcon */
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ldr r1, =0xffff0 /* all clocks on */
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str r1, [r0]
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/* gpio UART0 init */
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ldr r0, =0x56000070
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mov r1, #0xaa
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ldr r1, =0x2afaaa
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str r1, [r0]
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/* init uart */
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ldr r0, =0x50000000
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/* init uart0 */
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/* ldr r0, =0x50000000
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mov r1, #0x03
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str r1, [r0]
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ldr r1, =0x245
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str r1, [r0, #0x04]
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mov r1, #0x01
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mov r1, #0x00
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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, #0x1a
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str r1, [r0, #0x28]
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str r1, [r0, #0x0c]
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mov r1, #0x11
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str r1, [r0, #0x28] */
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bl cpu_init_crit
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/* >> CFG_VIDEO_LOGO_MAX_SIZE */
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#define CFG_GBL_DATA_SIZE 128 /* size in bytes reserved for initial data */
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#define CONFIG_STACKSIZE (128*1024) /* regular stack */
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#define CONFIG_STACKSIZE_IRQ (8*1024) /* IRQ stack */
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#define CONFIG_STACKSIZE_FIQ (4*1024) /* FIQ stack */
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stack_setup:
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ldr r0, _TEXT_BASE /* upper 128 KiB: relocated uboot */
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sub r0, r0, #CFG_GBL_DATA_SIZE /* bdinfo */
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sub r0, r0, #(CONFIG_STACKSIZE_IRQ+CONFIG_STACKSIZE_FIQ)
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sub sp, r0, #12 /* leave 3 words for abort-stack */
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clear_bss:
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@ -33,26 +33,29 @@ unsigned char buf[]={
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0x10,0x00,0x00,0x56,0x18,0x00,0x00,0x56,0xff,0xff,0x00,0x00,0x14,0x00,0x00,0x56,
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0x01,0x00,0x50,0xe2,0xfd,0xff,0xff,0x1a,0x0e,0xf0,0xa0,0xe1,0x0a};
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*/
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unsigned char buf[2048];
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unsigned char buf[2*1024];
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#define ADDR ((volatile unsigned *)&buf)
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int start_kboot(void)
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{
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/*1 say hello to uart */
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serial_putc ('a');
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serial_init(0x11,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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/*2. test nand flash */
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if(nand_read_ll(buf, 0x40000, sizeof(buf))==-1) {
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while(1) {
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blink_led();
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}
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}
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}
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asm volatile("mov pc, %0\n"
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: /* output */
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:"r"(ADDR) /* input */
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);
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/*2. test nand flash */
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if(nand_read_ll(buf, 0x000, sizeof(buf))==-1) {
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while(1) {
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blink_led();
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}
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}
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asm volatile("mov pc, %0\n"
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: /* output */
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:"r"(ADDR) /* input */
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);
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return 0;
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}
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