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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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46
qiboot/Makefile
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@ -14,10 +14,46 @@
# MA 02111-1307 USA
#
all :
cd src ; make all
include config.mk
LDS = src/kboot-stage1.lds
INCLUDE = include
IMAGE_DIR = image
#CFLAGS = -Wall -I $(INCLUDE) -msoft-float -g -c
CFLAGS = -Wall -I $(INCLUDE) -g -c
LDFLAGS =
#START = start.o lowlevel_init.o
S_SRCS = src/start.S src/lowlevel_init.S
S_OBJS = $(patsubst %.S,%.o, $(S_SRCS))
C_SRCS = $(wildcard src/*.c)
C_OBJS = $(patsubst %.c,%.o, $(C_SRCS))
#SRCS := $(START: .o=.S) $(COBJS: .o=.c)
SRCS = ${S_SRCS} ${C_SRCS}
OBJS = ${S_OBJS} ${C_OBJS}
TARGET = src/start_kboot_all
IMAGE = $(IMAGE_DIR)/start
%.o: %.S
@$(CC) $(CFLAGS) -o $@ $<
%.o: %.c
@$(CC) $(CFLAGS) -o $@ $<
all:${TARGET}
${OBJS}:${SRCS}
${TARGET}:${OBJS}
$(LD) ${LDFLAGS} -T$(LDS) -g $(OBJS) -o ${TARGET}
$(OBJCOPY) -O binary -S ${TARGET} ${IMAGE}
$(OBJDUMP) -D ${TARGET} >${IMAGE}.dis
blink_led:src/led_on.S
$(CC) $(CFLAGS) led_on.o led_on.S
$(LD) -g led_on.o -o led_on_temp.o
$(OBJCOPY) -O binary -S led_on_temp.o $(IMAGE)/led_on
clean:
cd src ; make clean
rm -f src/*.o src/*~ ${IMAGE}* ${TARGET}

1
qiboot/config.mk
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@ -1,6 +1,7 @@
#
# Include the make variables (CC, etc...)
#
#CROSS_COMPILE=arm-softfloat-linux-gnu-
CROSS_COMPILE=arm-angstrom-linux-gnueabi-
AS = $(CROSS_COMPILE)as

41
qiboot/include/blink_led.h Normal file
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@ -0,0 +1,41 @@
/*
* (C) Copyright 2007 OpenMoko, Inc.
* Author: xiangfu liu <xiangfu@openmoko.org>
*
* Configuation settings for the FIC Neo GTA02 Linux GSM phone
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation; either version 2 of
* the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
* MA 02111-1307 USA
*/
#ifndef __BLINK_LED_H
#define __BLINK_LED_H
#define GPBCON (*(volatile unsigned *)0x56000010)
#define GPBDAT (*(volatile unsigned *)0x56000014)
#define GPBDW (*(volatile unsigned *)0x56000018)
#define ORANGE_OFF() (GPBDAT &= ~(0x1))
#define BLUE_OFF() (GPBDAT &= ~(0x2))
#define ORANGE_ON() (GPBDAT |= (0x1))
#define BLUE_ON() (GPBDAT |= (0x2))
#define ORANGE 1;
#define BLUE 0;
int orange_on(int times);
int blue_on(int times);
int blink_led(void);
#endif /* __BLINK_LED_H */

22
qiboot/include/nand_read.h Normal file
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@ -0,0 +1,22 @@
/*
* nand_read.c: Simple NAND read functions for booting from NAND
*
* This is used by cpu/arm920/start.S assembler code,
* and the board-specific linker script must make sure this
* file is linked within the first 4kB of NAND flash.
*
* Taken from GPLv2 licensed vivi bootloader,
* Copyright (C) 2002 MIZI Research, Inc.
*
* Author: Hwang, Chideok <hwang@mizi.com>
* Date : $Date: 2004/02/04 10:37:37 $
*
* u-boot integration and bad-block skipping (C) 2006 by OpenMoko, Inc.
* Author: Harald Welte <laforge@openmoko.org>
*/
#ifndef __NAND_READ_H
#define __NAND_READ_H
int nand_read_ll(unsigned char *buf, unsigned long start_addr, int size);
#endif /* __NAND_READ_H */

32
qiboot/include/serial.h Normal file
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@ -0,0 +1,32 @@
/*
* (C) Copyright 2007 OpenMoko, Inc.
* Author: xiangfu liu <xiangfu@openmoko.org>
*
* Configuation settings for the FIC Neo GTA02 Linux GSM phone
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation; either version 2 of
* the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
* MA 02111-1307 USA
*/
#define rUTXH0 (*(volatile unsigned char *)0x50000023)
#define UTRSTAT (*(volatile unsigned char *)0x50000010)
/*
#define PUT_CHAR() (rUTXH0
#define ORANGE_OFF() (GPBDAT &= ~(0x1))
*/
void serial_puti (const int i);

2
qiboot/src/blink_led.c
View File

@ -66,7 +66,7 @@ int blue_on(int times)
return 0;
}
int blink_led()
int blink_led(void)
{
set_GPB();

26
qiboot/src/kboot-stage1.lds
View File

@ -32,23 +32,35 @@ SECTIONS
. = ALIGN(4);
.text :
{
start.o (.text)
lowlevel_init.o(.text)
start_kboot.o (.text)
src/start.o (.text)
src/lowlevel_init.o(.text)
src/start_kboot.o (.text)
*(.text)
}
. = ALIGN(4);
.rodata : { *(.rodata) }
.rodata :
{
*(.rodata)
}
. = ALIGN(4);
.data : { *(.data) }
.data :
{
*(.data)
}
. = ALIGN(4);
.got : { *(.got) }
.got :
{
*(.got)
}
. = ALIGN(4);
__bss_start = .;
.bss : { *(.bss) }
.bss :
{
*(.bss)
}
_end = .;
}

33
qiboot/src/serial.c Normal file
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@ -0,0 +1,33 @@
/*
* (C) Copyright 2007 OpenMoko, Inc.
* Author: xiangfu liu <xiangfu@openmoko.org>
*
* Configuation settings for the FIC Neo GTA02 Linux GSM phone
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation; either version 2 of
* the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
* MA 02111-1307 USA
*/
# include <serial.h>
/*
* Output a single byte to the serial port.
*/
void serial_puti (const int i)
{
while (!(UTRSTAT & 0x2));
rUTXH0 |= i;
}

16
qiboot/src/start_kboot.c
View File

@ -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 */
);