iRiver Boot loader
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@5694 a1c6a512-1295-4272-9138-f99709370657
This commit is contained in:
Linus Nielsen Feltzing
parent
2b8c52d98c
commit
d397145554
3 changed files with 312 additions and 0 deletions
78
bootloader/Makefile
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78
bootloader/Makefile
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# __________ __ ___.
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# Open \______ \ ____ ____ | | _\_ |__ _______ ___
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# Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
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# Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
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# Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
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# \/ \/ \/ \/ \/
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# $Id$
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#
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INCLUDES= -I$(FIRMDIR)/include -I$(FIRMDIR)/export -I. -I$(OBJDIR)
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DEPFILE = $(OBJDIR)/dep-apps
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LDS := $(FIRMDIR)/boot.lds
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ifdef DEBUG
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DEFINES := -DDEBUG
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CFLAGS += -g
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endif
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SRC := $(shell cat SOURCES | $(CC) -DMEMORYSIZE=$(MEMORYSIZE) $(INCLUDES) $(TARGET) $(DEFINES) -E -P -include "config.h" - )
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DIRS = .
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ifdef APPEXTRA
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DIRS += $(APPEXTRA)
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INCLUDES += -I$(APPEXTRA)
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endif
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CFLAGS = $(GCCOPTS) $(INCLUDES) $(TARGET) $(DEFINES) \
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-DAPPSVERSION=\"$(VERSION)\" $(EXTRA_DEFINES) -DMEM=${MEMORYSIZE}
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OBJS := $(SRC:%.c=$(OBJDIR)/%.o)
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SOURCES = $(SRC)
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LINKFILE = $(OBJDIR)/linkage.lds
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MAXINFILE = $(OBJDIR)/romstart.temp
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MAXOUTFILE = $(OBJDIR)/romstart
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ifdef DEBUG
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all: $(OBJDIR)/bootloader.elf
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else
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all: $(OBJDIR)/$(BINARY) $(FLASHFILE)
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endif
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dep: $(DEPFILE)
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$(LINKFILE): $(LDS)
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@echo "Build LDS file"
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@cat $< | $(CC) -DMEMORYSIZE=$(MEMORYSIZE) $(INCLUDES) $(TARGET) $(DEFINES) -E -P $(ROMBUILD) - >$@
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$(MAXOUTFILE):
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@echo '#include "config.h"' > $(MAXINFILE)
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@echo "ROM_START" >> $(MAXINFILE)
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@cat $(MAXINFILE) | $(CC) -DMEMORYSIZE=$(MEMORYSIZE) $(INCLUDES) $(TARGET) $(DEFINES) -E -P $(ROMBUILD) - > $(MAXOUTFILE)
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@rm $(MAXINFILE)
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$(OBJDIR)/bootloader.elf : $(OBJS) $(LINKFILE) $(OBJDIR)/librockbox.a $(DEPFILE)
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@echo "LD bootloader.elf"
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$(CC) $(GCCOPTS) -Os -nostdlib -o $@ $(OBJS) -L$(OBJDIR) -lrockbox -lgcc -L$(FIRMDIR) -T$(LINKFILE) -Wl,-Map,$(OBJDIR)/bootloader.map
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$(OBJDIR)/bootloader.bin : $(OBJDIR)/bootloader.elf
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@echo "OBJCOPY $<"
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@$(OC) -O binary $< $@
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$(OBJDIR)/bootloader.asm: $(OBJDIR)/bootloader.bin
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$(TOOLSDIR)/sh2d -sh1 $< > $@
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$(OBJDIR)/$(BINARY) : $(OBJDIR)/bootloader.bin
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@echo "Build bootloader file"
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@$(MKFIRMWARE) $< $@
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include $(TOOLSDIR)/make.inc
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clean:
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@echo "cleaning bootloader"
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@-rm -f $(OBJS) $(OBJDIR)/$(BINARY) $(OBJDIR)/bootloader.asm \
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$(OBJDIR)/bootloader.bin $(OBJDIR)/bootloader.elf $(OBJDIR)/*.map \
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$(LINKFILE) $(MAXOUTFILE) $(DEPFILE)
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-include $(DEPFILE)
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1
bootloader/SOURCES
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1
bootloader/SOURCES
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main.c
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233
bootloader/main.c
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233
bootloader/main.c
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/***************************************************************************
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* __________ __ ___.
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* Open \______ \ ____ ____ | | _\_ |__ _______ ___
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* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
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* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
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* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
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* \/ \/ \/ \/ \/
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* $Id$
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*
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* Copyright (C) 2005 by Linus Nielsen Feltzing
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*
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* All files in this archive are subject to the GNU General Public License.
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* See the file COPYING in the source tree root for full license agreement.
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*
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* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
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* KIND, either express or implied.
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*
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****************************************************************************/
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#include "config.h"
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#include <stdlib.h>
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#include <stdio.h>
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#include "cpu.h"
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#include "system.h"
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#include "lcd.h"
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#include "kernel.h"
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#include "thread.h"
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#include "ata.h"
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#include "disk.h"
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#include "font.h"
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#include "adc.h"
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#include "backlight.h"
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#include "button.h"
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#include "panic.h"
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#include "power.h"
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#include "file.h"
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int line = 0;
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int usb_screen(void)
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{
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return 0;
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}
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void start_iriver_fw(void)
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{
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asm(" move.w #0x2700,%sr");
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asm(" move.l #0,%d0");
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asm(" movec.l %d0,%vbr");
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asm(" move.l 0,%sp");
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asm(" lea.l 8,%a0");
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asm(" jmp (%a0)");
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}
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int load_firmware(void)
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{
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int fd;
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int rc;
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int len;
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unsigned long chksum;
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unsigned long sum;
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int i;
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unsigned char *buf = (unsigned char *)0x30000000;
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char str[80];
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fd = open("/rockbox.bin", O_RDONLY);
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if(fd < 0)
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return -1;
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len = lseek(fd, 0, SEEK_END) - 8;
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snprintf(str, 80, "Length: %x", len);
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lcd_puts(0, line++, str);
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lcd_update();
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lseek(fd, 0, SEEK_SET);
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rc = read(fd, &chksum, 4);
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if(rc < 4)
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return -2;
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snprintf(str, 80, "Checksum: %x", chksum);
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lcd_puts(0, line++, str);
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lcd_update();
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lseek(fd, 4, SEEK_CUR);
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rc = read(fd, buf, len);
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if(rc < len)
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return -4;
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close(fd);
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sum = 0;
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for(i = 0;i < len;i++) {
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sum += buf[i];
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}
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snprintf(str, 80, "Sum: %x", sum);
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lcd_puts(0, line++, str);
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lcd_update();
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if(sum != chksum)
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return -5;
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return 0;
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}
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void start_firmware(void)
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{
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asm(" move.w #0x2700,%sr");
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asm(" move.l #0x30000000,%d0");
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asm(" movec.l %d0,%vbr");
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asm(" move.l 0x30000000,%sp");
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asm(" move.l 0x30000004,%a0");
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asm(" jmp (%a0)");
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}
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int main(void)
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{
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int i;
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int rc;
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int button;
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char buf[256];
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power_init();
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system_init();
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kernel_init();
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backlight_init();
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set_irq_level(0);
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lcd_init();
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font_init();
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adc_init();
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button_init();
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lcd_setfont(FONT_SYSFIXED);
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sleep(HZ/10); /* Allow the button driver to check the buttons */
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if(button_status() & BUTTON_REC) {
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lcd_puts(0, 8, "Ninjax");
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lcd_update();
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sleep(HZ);
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start_iriver_fw();
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}
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GPIO_FUNCTION |= 0x40000040;
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GPIO1_FUNCTION |= 0x00000062;
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GPIO1_ENABLE |= 0x00000000;
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IDECONFIG1 = 0x00107000;
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IDECONFIG2 = 0x00040000;
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/* Hard drive power */
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GPIO_OUT &= ~0x00000040;
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GPIO_ENABLE |= 0x00040240;
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GPIO_FUNCTION |= 0x00040200;
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rc = ata_init();
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if(rc)
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{
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#ifdef HAVE_LCD_BITMAP
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char str[32];
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lcd_clear_display();
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snprintf(str, 31, "ATA error: %d", rc);
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lcd_puts(0, 1, str);
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lcd_puts(0, 3, "Press ON to debug");
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lcd_update();
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while(!(button_get(true) & BUTTON_REL));
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#endif
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panicf("ata: %d", rc);
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}
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disk_init();
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/* FixMe: the same kind of mounting happens in usb.c, share the code. */
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rc = disk_mount_all();
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if (rc<=0)
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{
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lcd_clear_display();
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lcd_puts(0, 0, "No partition");
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lcd_puts(0, 1, "found.");
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while(button_get(true) != SYS_USB_CONNECTED) {};
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}
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lcd_puts(0, line++, "Loading firmware");
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i = load_firmware();
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snprintf(buf, 256, "Result: %d", i);
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lcd_puts(0, line++, buf);
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lcd_update();
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if(i == 0)
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start_firmware();
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while(1) {
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button = button_get_w_tmo(HZ/2);
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if(button)
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{
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if(button == (BUTTON_OFF | BUTTON_REPEAT))
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power_off();
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}
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}
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}
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/* These functions are present in the firmware library, but we reimplement
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them here because the originals do a lot more than we want */
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void reset_poweroff_timer(void)
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{
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}
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void screen_dump(void)
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{
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}
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int dbg_ports(void)
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{
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return 0;
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}
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void mpeg_stop(void)
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{
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}
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void usb_acknowledge(void)
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{
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}
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void usb_wait_for_disconnect(void)
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{
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}
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