mirror of
git://projects.qi-hardware.com/xburst-tools.git
synced 2024-11-25 16:11:53 +02:00
blink led in other way ,but not read from NAND
This commit is contained in:
xiangfu
parent
eab58ff419
commit
fa9c4976fa
@ -14,8 +14,6 @@
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# MA 02111-1307 USA
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#
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include ./config.mk
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all :
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cd src ; make all
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@ -1,6 +0,0 @@
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use follow command to run this program
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start OpenOCD,then do this
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> reset halt
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> load_image /path/to/led_on 0
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> resume
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@ -14,20 +14,32 @@
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# MA 02111-1307 USA
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#
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include ../config.mk
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LDS = kboot-stage1.lds
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INCLUDE = ../include
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IMAGE = ../image
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CFLAGS = -Wall -I $(INCLUDE) -g -c -o
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all:start.S blink_led.c lowlevel_init.S
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START = start.o lowlevel_init.o
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COBJS = start_kboot.o nand_read.o
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SRCS := $(START: .o=.S) $(COBJS: .o=.c)
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all:start.S lowlevel_init.S nand_read.c start_kboot.c
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$(CC) $(CFLAGS) start.o start.S
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$(CC) $(CFLAGS) blink_led.o blink_led.c
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$(CC) $(CFLAGS) lowlevel_init.o lowlevel_init.S
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$(LD) -T$(LDS) -g start.o blink_led.o lowlevel_init.o -o led.o
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$(OBJCOPY) -O binary -S led.o $(IMAGE)/led_on
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$(CC) $(CFLAGS) nand_read.o nand_read.c
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$(CC) $(CFLAGS) start_kboot.o start_kboot.c
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$(LD) -T$(LDS) -g $(START) $(COBJS) -o start_kboot_all.o
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$(OBJCOPY) -O binary -S start_kboot_all.o $(IMAGE)/start
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blink_led:led_on.S
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$(CC) $(CFLAGS) led_on.o led_on.S
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$(LD) -g led_on.o -o led_on_temp.o
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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 *.o
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rm -f led_on
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rm -f $(IMAGE)/*
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@ -52,9 +52,3 @@ int blink_led()
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}
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return 0;
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}
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int start_armboot()
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{
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blink_led();
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return 0;
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}
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@ -34,7 +34,7 @@ SECTIONS
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{
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start.o (.text)
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lowlevel_init.o(.text)
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blink_led.o (.text)
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start_kboot.o (.text)
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*(.text)
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}
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37
qiboot/src/led_on.S
Normal file
37
qiboot/src/led_on.S
Normal file
@ -0,0 +1,37 @@
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_start:
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mov ip, sp
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stmfd sp!, {fp, ip, lr, pc}
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sub fp, ip, #4
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ldr r2, .L4
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mov r3, #5
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str r3, [r2, #0]
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ldr r2, .L4+4
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ldr r3, .L4+8
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str r3, [r2, #0]
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.L2:
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ldr r2, .L4+12
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ldr r3, .L4+12
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ldr r3, [r3, #0]
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bic r3, r3, #1
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str r3, [r2, #0]
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ldr r0, .L4+8
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bl delay
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ldr r2, .L4+12
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ldr r3, .L4+12
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ldr r3, [r3, #0]
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orr r3, r3, #1
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str r3, [r2, #0]
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ldr r0, .L4+8
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bl delay
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b .L2
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.L5:
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.align 2
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.L4:
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.word 1442840592
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.word 1442840600
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.word 65535
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.word 1442840596
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delay:
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subs r0,r0,#0x1
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bne delay
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mov pc,lr
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124
qiboot/src/nand_read.c
Normal file
124
qiboot/src/nand_read.c
Normal file
@ -0,0 +1,124 @@
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/*
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* nand_read.c: Simple NAND read functions for booting from NAND
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*
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* This is used by cpu/arm920/start.S assembler code,
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* and the board-specific linker script must make sure this
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* file is linked within the first 4kB of NAND flash.
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*
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* Taken from GPLv2 licensed vivi bootloader,
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* Copyright (C) 2002 MIZI Research, Inc.
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*
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* Author: Hwang, Chideok <hwang@mizi.com>
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* Date : $Date: 2004/02/04 10:37:37 $
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*
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* u-boot integration and bad-block skipping (C) 2006 by OpenMoko, Inc.
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* Author: Harald Welte <laforge@openmoko.org>
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*/
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#define NAND_CMD_READ0 0
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#define NAND_CMD_READ1 1
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/* Extended commands for large page devices */
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#define NAND_CMD_READSTART 0x30
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#define __REGb(x) (*(volatile unsigned char *)(x))
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#define __REGw(x) (*(volatile unsigned short *)(x))
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#define __REGi(x) (*(volatile unsigned int *)(x))
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#define NF_BASE 0x4e000000
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#define NFCONF __REGi(NF_BASE + 0x0)
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#define NFCONT __REGi(NF_BASE + 0x4)
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#define NFCMD __REGb(NF_BASE + 0x8)
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#define NFADDR __REGb(NF_BASE + 0xc)
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#define NFDATA __REGb(NF_BASE + 0x10)
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#define NFDATA16 __REGw(NF_BASE + 0x10)
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#define NFSTAT __REGb(NF_BASE + 0x20)
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#define NFSTAT_BUSY 1
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#define nand_select() (NFCONT &= ~(1 << 1))
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#define nand_deselect() (NFCONT |= (1 << 1))
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#define nand_clear_RnB() (NFSTAT |= (1 << 2))
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static inline void nand_wait(void)
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{
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int i=0;
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while (!(NFSTAT & NFSTAT_BUSY))
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for (i=0; i<10; i++);
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}
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/* configuration for 2440 with 2048byte sized flash */
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#define NAND_5_ADDR_CYCLE
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#define NAND_PAGE_SIZE 2048
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#define BAD_BLOCK_OFFSET NAND_PAGE_SIZE
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#define NAND_BLOCK_MASK (NAND_PAGE_SIZE - 1)
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#define NAND_BLOCK_SIZE (NAND_PAGE_SIZE * 64)#endif
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static int is_bad_block(unsigned long i)
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{
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unsigned char data;
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unsigned long page_num;
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nand_clear_RnB();
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page_num = i >> 11; /* addr / 2048 */
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NFCMD = NAND_CMD_READ0;
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NFADDR = BAD_BLOCK_OFFSET & 0xff;
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NFADDR = (BAD_BLOCK_OFFSET >> 8) & 0xff;
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NFADDR = page_num & 0xff;
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NFADDR = (page_num >> 8) & 0xff;
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NFADDR = (page_num >> 16) & 0xff;
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NFCMD = NAND_CMD_READSTART;
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nand_wait();
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data = (NFDATA & 0xff);
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if (data != 0xff)
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return 1;
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return 0;
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}
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static int nand_read_page_ll(unsigned char *buf, unsigned long addr)
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{
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unsigned short *ptr16 = (unsigned short *)buf;
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unsigned int i, page_num;
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nand_clear_RnB();
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NFCMD = NAND_CMD_READ0;
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page_num = addr >> 11; /* addr / 2048 */
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/* Write Address */
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NFADDR = 0;
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NFADDR = 0;
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NFADDR = page_num & 0xff;
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NFADDR = (page_num >> 8) & 0xff;
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NFADDR = (page_num >> 16) & 0xff;
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NFCMD = NAND_CMD_READSTART;
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nand_wait();
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for (i = 0; i < NAND_PAGE_SIZE/2; i++) {
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*ptr16 = NFDATA16;
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ptr16++;
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}
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return NAND_PAGE_SIZE;
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}
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/* low level nand read function */
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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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if ((start_addr & NAND_BLOCK_MASK) || (size & NAND_BLOCK_MASK))
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return -1; /* invalid alignment */
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/* chip Enable */
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nand_select();
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nand_clear_RnB();
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for (i=0; i<10; i++);
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for (i=start_addr; i < (start_addr + size);) {
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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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}
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/* chip Disable */
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nand_deselect();
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return 0;
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}
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@ -1,7 +1,7 @@
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/*
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* (C) Copyright 2007 OpenMoko, Inc.
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*
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* Configuation settings for the FIC Neo GTA02 Linux GSM phone
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* Configuation settings for the OPENMOKO Neo GTA02 Linux GSM phone
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License as
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@ -26,10 +26,6 @@ _start: b start_code
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_TEXT_BASE:
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.word TEXT_BASE
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.globl _armboot_start
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_armboot_start:
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.word _start
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/*
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* These are defined in the board-specific linker script.
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*/
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@ -159,11 +155,10 @@ clbss_l:
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cmp r0, r1
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ble clbss_l
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/* blink led */
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ldr pc, _start_armboot
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_start_armboot:
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.word start_armboot
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.word start_kboot
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/*
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*************************************************************************
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48
qiboot/src/start_kboot.c
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48
qiboot/src/start_kboot.c
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@ -0,0 +1,48 @@
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/*
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* (C) Copyright 2007 OpenMoko, Inc.
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* Author: xiangfu liu <xiangfu@openmoko.org>
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*
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* Configuation settings for the OPENMOKO Neo GTA02 Linux GSM phone
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License as
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* published by the Free Software Foundation; either version 2 of
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* the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
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* MA 02111-1307 USA
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*/
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unsigned char buf[]={
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0x0d,0xc0,0xa0,0xe1,0x00,0xd8,0x2d,0xe9,0x04,0xb0,0x4c,0xe2,0x4c,0x20,0x9f,0xe5,
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0x05,0x30,0xa0,0xe3,0x00,0x30,0x82,0xe5,0x44,0x20,0x9f,0xe5,0x44,0x30,0x9f,0xe5,
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0x00,0x30,0x82,0xe5,0x40,0x20,0x9f,0xe5,0x3c,0x30,0x9f,0xe5,0x00,0x30,0x93,0xe5,
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0x01,0x30,0xc3,0xe3,0x00,0x30,0x82,0xe5,0x28,0x00,0x9f,0xe5,0x0b,0x00,0x00,0xeb,
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0x24,0x20,0x9f,0xe5,0x20,0x30,0x9f,0xe5,0x00,0x30,0x93,0xe5,0x01,0x30,0x83,0xe3,
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0x00,0x30,0x82,0xe5,0x0c,0x00,0x9f,0xe5,0x04,0x00,0x00,0xeb,0xf0,0xff,0xff,0xea,
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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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#define ADDR ((volatile unsigned *)&buf)
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int start_kboot()
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{
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/* nand_read_ll(buf, 0, sizeof(buf));*/
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/*
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void (*fp)(void)=(void (*)(void))&buf;
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(fp)();
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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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