Nyaaori/rockbox
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity

Firmware "hacker" code for the e200r install so the full bootloader rom doesnt need to be written.

Browse source 
Requires a custom version of e200tool which isnt available yet.


git-svn-id: svn://svn.rockbox.org/rockbox/trunk@14654 a1c6a512-1295-4272-9138-f99709370657
This commit is contained in:
Jonathan Gordon 2007-09-09 11:20:20 +00:00
parent c9f6858de8
commit 9db22efd1f
7 changed files with 142 additions and 3 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

4
bootloader/Makefile
View file

@ -18,7 +18,7 @@ ifdef DEBUG
CFLAGS += -g
endif
SRC := $(shell cat SOURCES | $(CC) -DMEMORYSIZE=$(MEMORYSIZE) $(INCLUDES) $(TARGET) $(DEFINES) -E -P -include "config.h" - )
SRC := $(shell cat SOURCES | $(CC) -DMEMORYSIZE=$(MEMORYSIZE) $(INCLUDES) $(TARGET) $(DEFINES) $(EXTRA_DEFINES) -E -P -include "config.h" - )
DIRS = .
ifdef APPEXTRA
@ -50,7 +50,7 @@ endif
dep: $(DEPFILE)
$(LINKFILE): $(LDS)
$(call PRINTS,Build $(@F))cat $< | $(CC) -DMEMORYSIZE=$(MEMORYSIZE) $(INCLUDES) $(TARGET) $(DEFINES) -E -P $(ROMBUILD) - >$@
$(call PRINTS,Build $(@F))cat $< | $(CC) -DMEMORYSIZE=$(MEMORYSIZE) $(INCLUDES) $(TARGET) $(EXTRA_DEFINES) $(DEFINES) -E -P $(ROMBUILD) - >$@
$(MAXOUTFILE):
$(SILENT)echo '#include "config.h"' > $(MAXINFILE)

4
bootloader/SOURCES
View file

@ -6,7 +6,11 @@ ipod.c
gigabeat.c
#elif defined(IRIVER_H10) || defined(IRIVER_H10_5GB) || \
defined(SANSA_E200) || defined(SANSA_C200)
#ifdef E200R_INSTALLER
main-e200r-installer.c
#else
main-pp.c
#endif
#elif defined(ELIO_TPJ1022)
tpj1022.c
#elif defined(IAUDIO_X5) || defined(IAUDIO_M5)

119
bootloader/main-e200r-installer.c Normal file
View file

@ -0,0 +1,119 @@
/***************************************************************************
* __________ __ ___.
* Open \______ \ ____ ____ | | _\_ |__ _______ ___
* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
* \/ \/ \/ \/ \/
* $Id$
*
* Copyright (C) 2006 by Barry Wardell
*
* Based on Rockbox iriver bootloader by Linus Nielsen Feltzing
* and the ipodlinux bootloader by Daniel Palffy and Bernard Leach
*
* All files in this archive are subject to the GNU General Public License.
* See the file COPYING in the source tree root for full license agreement.
*
* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
* KIND, either express or implied.
*
****************************************************************************/
#include <stdio.h>
#include <stdlib.h>
#include "common.h"
#include "cpu.h"
#include "file.h"
#include "system.h"
#include "kernel.h"
#include "lcd.h"
#include "font.h"
#include "ata.h"
#include "button.h"
#include "disk.h"
#include "crc32-mi4.h"
#include <string.h>
#include "i2c.h"
#include "backlight-target.h"
/* Bootloader version */
char version[] = APPSVERSION;
#define START_SECTOR_OF_ROM 1
#define ROMSECTOR_TO_HACK 63
#define HACK_OFFSET 498
#define KNOWN_CRC32 0x5a09c266
char knownBytes[] = {0x00, 0x24, 0x07, 0xe1};
char changedBytes[] = {0xc0, 0x46, 0xc0, 0x46 };
void* main(void)
{
int i;
int btn;
int num_partitions;
int crc32;
char sector[512];
struct partinfo* pinfo;
chksum_crc32gentab ();
system_init();
kernel_init();
lcd_init();
font_init();
button_init();
i2c_init();
__backlight_on();
lcd_set_foreground(LCD_WHITE);
lcd_set_background(LCD_BLACK);
lcd_clear_display();
btn = button_read_device();
verbose = true;
lcd_setfont(FONT_SYSFIXED);
printf("Rockbox e200R installer");
printf("Version: %s", version);
printf(MODEL_NAME);
i=ata_init();
disk_init(IF_MV(0));
num_partitions = disk_mount_all();
if (num_partitions<=0)
{
error(EDISK,num_partitions);
}
pinfo = disk_partinfo(1);
printf("--- Partition info ---");
printf("start: %x", pinfo->start);
printf("size: %x", pinfo->size);
printf("type: %x", pinfo->type);
printf("reading: %x", (START_SECTOR_OF_ROM + ROMSECTOR_TO_HACK)*512);
ata_read_sectors(IF_MV2(0,)
pinfo->start + START_SECTOR_OF_ROM + ROMSECTOR_TO_HACK,
1 , sector);
crc32 = chksum_crc32 (sector, 512);
printf("--- Hack Status ---");
printf("Sector checksum: %x", crc32);
if ((crc32 == KNOWN_CRC32) &&
!memcmp(&sector[HACK_OFFSET], knownBytes,
sizeof(knownBytes)/sizeof(*knownBytes)))
{
memcpy(&sector[HACK_OFFSET], changedBytes,
sizeof(changedBytes)/sizeof(*changedBytes));
ata_write_sectors(IF_MV2(0,)
pinfo->start + START_SECTOR_OF_ROM + ROMSECTOR_TO_HACK,
1 , sector);
printf("Firmware Hacked");
printf("Proceed to Step 2");
}
else
printf("Unknown bootloader... aborted");
GPIOG_OUTPUT_VAL &=~0x80;
while(1);
return NULL;
}

2
firmware/boot.lds
View file

@ -45,7 +45,9 @@ INPUT(target/sh/crt0.o)
#define FLASHSIZE 2M
#elif (CONFIG_CPU == PP5022) || (CONFIG_CPU == PP5024)
#define DRAMORIG 0x10000000
#ifndef IRAMORIG
#define IRAMORIG 0x40000000
#endif
#define IRAMSIZE 0x20000
#define FLASHORIG 0x001f0000
#define FLASHSIZE 2M

3
firmware/export/config-e200.h
View file

@ -187,4 +187,7 @@
#define DEFAULT_REC_LEFT_GAIN 23
#define DEFAULT_REC_RIGHT_GAIN 23
#ifdef E200R_INSTALLER
#define IRAMORIG 0x40004000
#endif

3
firmware/target/arm/crt0-pp-bl.S
View file

@ -51,7 +51,7 @@ start:
#endif
msr cpsr_c, #0xd3 /* enter supervisor mode, disable IRQ */
#ifndef E200R_INSTALLER
/* 1 - Copy the bootloader to IRAM */
/* get the high part of our execute address */
ldr r7, =0xffffff00
@ -79,6 +79,7 @@ pad_skip:
/* 2 - Jump both CPU and COP there */
ldr pc, =start_loc /* jump to the relocated start_loc: */
#endif /* E200R_INSTALLER */
start_loc:

10
tools/configure vendored
View file

@ -1424,6 +1424,9 @@ fi
ifp7xx)
gdbstub="(G)DB stub, "
;;
e200r|e200)
gdbstub="(I)installer, "
;;
*)
;;
esac
@ -1434,6 +1437,13 @@ fi
option=`input`;
case $option in
[Ii])
appsdir='\$(ROOTDIR)/bootloader'
apps="bootloader"
extradefines="-DBOOTLOADER -DE200R_INSTALLER -ffunction-sections -fdata-sections"
bootloader="1"
echo "e200R-installer build selected"
;;
[Bb])
if test $t_manufacturer = "archos"; then
# Archos SH-based players do this somewhat differently for