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mirror of git://projects.qi-hardware.com/xburst-tools.git synced 2024-11-01 08:29:41 +02:00

blink led in other way ,but not read from NAND

This commit is contained in:
xiangfu 2008-07-08 18:48:48 -04:00
parent eab58ff419
commit fa9c4976fa
9 changed files with 233 additions and 31 deletions

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@ -14,8 +14,6 @@
# MA 02111-1307 USA
#
include ./config.mk
all :
cd src ; make all

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@ -1,6 +0,0 @@
use follow command to run this program
start OpenOCD,then do this
> reset halt
> load_image /path/to/led_on 0
> resume

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@ -14,20 +14,32 @@
# MA 02111-1307 USA
#
LDS =kboot-stage1.lds
INCLUDE =../include
IMAGE =../image
CFLAGS =-Wall -I $(INCLUDE) -g -c -o
include ../config.mk
all:start.S blink_led.c lowlevel_init.S
LDS = kboot-stage1.lds
INCLUDE = ../include
IMAGE = ../image
CFLAGS = -Wall -I $(INCLUDE) -g -c -o
START = start.o lowlevel_init.o
COBJS = start_kboot.o nand_read.o
SRCS := $(START: .o=.S) $(COBJS: .o=.c)
all:start.S lowlevel_init.S nand_read.c start_kboot.c
$(CC) $(CFLAGS) start.o start.S
$(CC) $(CFLAGS) blink_led.o blink_led.c
$(CC) $(CFLAGS) lowlevel_init.o lowlevel_init.S
$(LD) -T$(LDS) -g start.o blink_led.o lowlevel_init.o -o led.o
$(OBJCOPY) -O binary -S led.o $(IMAGE)/led_on
$(CC) $(CFLAGS) nand_read.o nand_read.c
$(CC) $(CFLAGS) start_kboot.o start_kboot.c
$(LD) -T$(LDS) -g $(START) $(COBJS) -o start_kboot_all.o
$(OBJCOPY) -O binary -S start_kboot_all.o $(IMAGE)/start
blink_led: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:
rm -f *.o
rm -f led_on
rm -f $(IMAGE)/*

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@ -52,9 +52,3 @@ int blink_led()
}
return 0;
}
int start_armboot()
{
blink_led();
return 0;
}

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@ -34,7 +34,7 @@ SECTIONS
{
start.o (.text)
lowlevel_init.o(.text)
blink_led.o (.text)
start_kboot.o (.text)
*(.text)
}

37
qiboot/src/led_on.S Normal file
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@ -0,0 +1,37 @@
_start:
mov ip, sp
stmfd sp!, {fp, ip, lr, pc}
sub fp, ip, #4
ldr r2, .L4
mov r3, #5
str r3, [r2, #0]
ldr r2, .L4+4
ldr r3, .L4+8
str r3, [r2, #0]
.L2:
ldr r2, .L4+12
ldr r3, .L4+12
ldr r3, [r3, #0]
bic r3, r3, #1
str r3, [r2, #0]
ldr r0, .L4+8
bl delay
ldr r2, .L4+12
ldr r3, .L4+12
ldr r3, [r3, #0]
orr r3, r3, #1
str r3, [r2, #0]
ldr r0, .L4+8
bl delay
b .L2
.L5:
.align 2
.L4:
.word 1442840592
.word 1442840600
.word 65535
.word 1442840596
delay:
subs r0,r0,#0x1
bne delay
mov pc,lr

124
qiboot/src/nand_read.c Normal file
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@ -0,0 +1,124 @@
/*
* 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>
*/
#define NAND_CMD_READ0 0
#define NAND_CMD_READ1 1
/* Extended commands for large page devices */
#define NAND_CMD_READSTART 0x30
#define __REGb(x) (*(volatile unsigned char *)(x))
#define __REGw(x) (*(volatile unsigned short *)(x))
#define __REGi(x) (*(volatile unsigned int *)(x))
#define NF_BASE 0x4e000000
#define NFCONF __REGi(NF_BASE + 0x0)
#define NFCONT __REGi(NF_BASE + 0x4)
#define NFCMD __REGb(NF_BASE + 0x8)
#define NFADDR __REGb(NF_BASE + 0xc)
#define NFDATA __REGb(NF_BASE + 0x10)
#define NFDATA16 __REGw(NF_BASE + 0x10)
#define NFSTAT __REGb(NF_BASE + 0x20)
#define NFSTAT_BUSY 1
#define nand_select() (NFCONT &= ~(1 << 1))
#define nand_deselect() (NFCONT |= (1 << 1))
#define nand_clear_RnB() (NFSTAT |= (1 << 2))
static inline void nand_wait(void)
{
int i=0;
while (!(NFSTAT & NFSTAT_BUSY))
for (i=0; i<10; i++);
}
/* configuration for 2440 with 2048byte sized flash */
#define NAND_5_ADDR_CYCLE
#define NAND_PAGE_SIZE 2048
#define BAD_BLOCK_OFFSET NAND_PAGE_SIZE
#define NAND_BLOCK_MASK (NAND_PAGE_SIZE - 1)
#define NAND_BLOCK_SIZE (NAND_PAGE_SIZE * 64)#endif
static int is_bad_block(unsigned long i)
{
unsigned char data;
unsigned long page_num;
nand_clear_RnB();
page_num = i >> 11; /* addr / 2048 */
NFCMD = NAND_CMD_READ0;
NFADDR = BAD_BLOCK_OFFSET & 0xff;
NFADDR = (BAD_BLOCK_OFFSET >> 8) & 0xff;
NFADDR = page_num & 0xff;
NFADDR = (page_num >> 8) & 0xff;
NFADDR = (page_num >> 16) & 0xff;
NFCMD = NAND_CMD_READSTART;
nand_wait();
data = (NFDATA & 0xff);
if (data != 0xff)
return 1;
return 0;
}
static int nand_read_page_ll(unsigned char *buf, unsigned long addr)
{
unsigned short *ptr16 = (unsigned short *)buf;
unsigned int i, page_num;
nand_clear_RnB();
NFCMD = NAND_CMD_READ0;
page_num = addr >> 11; /* addr / 2048 */
/* Write Address */
NFADDR = 0;
NFADDR = 0;
NFADDR = page_num & 0xff;
NFADDR = (page_num >> 8) & 0xff;
NFADDR = (page_num >> 16) & 0xff;
NFCMD = NAND_CMD_READSTART;
nand_wait();
for (i = 0; i < NAND_PAGE_SIZE/2; i++) {
*ptr16 = NFDATA16;
ptr16++;
}
return NAND_PAGE_SIZE;
}
/* low level nand read function */
int nand_read_ll(unsigned char *buf, unsigned long start_addr, int size)
{
int i, j;
if ((start_addr & NAND_BLOCK_MASK) || (size & NAND_BLOCK_MASK))
return -1; /* invalid alignment */
/* chip Enable */
nand_select();
nand_clear_RnB();
for (i=0; i<10; i++);
for (i=start_addr; i < (start_addr + size);) {
j = nand_read_page_ll(buf, i);
i += j;
buf += j;
}
/* chip Disable */
nand_deselect();
return 0;
}

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@ -1,7 +1,7 @@
/*
* (C) Copyright 2007 OpenMoko, Inc.
*
* Configuation settings for the FIC Neo GTA02 Linux GSM phone
* Configuation settings for the OPENMOKO 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
@ -26,10 +26,6 @@ _start: b start_code
_TEXT_BASE:
.word TEXT_BASE
.globl _armboot_start
_armboot_start:
.word _start
/*
* These are defined in the board-specific linker script.
*/
@ -159,11 +155,10 @@ clbss_l:
cmp r0, r1
ble clbss_l
/* blink led */
ldr pc, _start_armboot
_start_armboot:
.word start_armboot
.word start_kboot
/*
*************************************************************************

48
qiboot/src/start_kboot.c Normal file
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@ -0,0 +1,48 @@
/*
* (C) Copyright 2007 OpenMoko, Inc.
* Author: xiangfu liu <xiangfu@openmoko.org>
*
* Configuation settings for the OPENMOKO 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
*/
unsigned char buf[]={
0x0d,0xc0,0xa0,0xe1,0x00,0xd8,0x2d,0xe9,0x04,0xb0,0x4c,0xe2,0x4c,0x20,0x9f,0xe5,
0x05,0x30,0xa0,0xe3,0x00,0x30,0x82,0xe5,0x44,0x20,0x9f,0xe5,0x44,0x30,0x9f,0xe5,
0x00,0x30,0x82,0xe5,0x40,0x20,0x9f,0xe5,0x3c,0x30,0x9f,0xe5,0x00,0x30,0x93,0xe5,
0x01,0x30,0xc3,0xe3,0x00,0x30,0x82,0xe5,0x28,0x00,0x9f,0xe5,0x0b,0x00,0x00,0xeb,
0x24,0x20,0x9f,0xe5,0x20,0x30,0x9f,0xe5,0x00,0x30,0x93,0xe5,0x01,0x30,0x83,0xe3,
0x00,0x30,0x82,0xe5,0x0c,0x00,0x9f,0xe5,0x04,0x00,0x00,0xeb,0xf0,0xff,0xff,0xea,
0x10,0x00,0x00,0x56,0x18,0x00,0x00,0x56,0xff,0xff,0x00,0x00,0x14,0x00,0x00,0x56,
0x01,0x00,0x50,0xe2,0xfd,0xff,0xff,0x1a,0x0e,0xf0,0xa0,0xe1,0x0a};
#define ADDR ((volatile unsigned *)&buf)
int start_kboot()
{
/* nand_read_ll(buf, 0, sizeof(buf));*/
/*
void (*fp)(void)=(void (*)(void))&buf;
(fp)();
*/
asm volatile("mov pc, %0\n"
: /* output */
:"r"(ADDR) /* input */
);
return 0;
}