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add serial output function, Thanks Dennis <dennis.yxun@gmail.com>, his patch make me clear. Thank for Andy Green help.

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This commit is contained in:
xiangfu
2008-07-24 22:27:23 -04:00
parent 12ba156cfb
commit b92d8222aa
9 changed files with 201 additions and 18 deletions
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16
qiboot/src/start_kboot.c
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@@ -21,6 +21,7 @@
*/
#include "blink_led.h"
#include "nand_read.h"
#include "serial.h"
/*
unsigned char buf[]={
0x0d,0xc0,0xa0,0xe1,0x00,0xd8,0x2d,0xe9,0x04,0xb0,0x4c,0xe2,0x4c,0x20,0x9f,0xe5,
@@ -36,14 +37,19 @@ unsigned char buf[2048];
#define ADDR ((volatile unsigned *)&buf)
int start_kboot()
int start_kboot(void)
{
if(nand_read_ll(buf, 0x32000000, sizeof(buf))==-1)
{
while(1){blink_led(1);}
/*1 say hello to uart */
serial_puti (123);
blue_on(1);
/*2. test nand flash */
if(nand_read_ll(buf, 0x40000, sizeof(buf))==-1) {
while(1) {
blink_led();
}
}
asm volatile("mov pc, %0\n"
asm volatile("mov pc, %0\n"
: /* output */
:"r"(ADDR) /* input */
);