2370998a87
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@12742 a1c6a512-1295-4272-9138-f99709370657
139 lines
3.8 KiB
C
139 lines
3.8 KiB
C
/***************************************************************************
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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) 2006 by Barry Wardell
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*
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* Based on Rockbox iriver bootloader by Linus Nielsen Feltzing
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* and the ipodlinux bootloader by Daniel Palffy and Bernard Leach
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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 "common.h"
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#include "cpu.h"
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#include "file.h"
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#include "system.h"
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#include "kernel.h"
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#include "lcd.h"
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#include "font.h"
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#include "ata.h"
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#include "button.h"
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#include "disk.h"
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/* Button definitions */
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#if CONFIG_KEYPAD == IRIVER_H10_PAD
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#define BOOTLOADER_VERBOSE BUTTON_PLAY
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#define BOOTLOADER_BOOT_OF BUTTON_LEFT
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#elif CONFIG_KEYPAD == SANSA_E200_PAD
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#define BOOTLOADER_VERBOSE BUTTON_RIGHT
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#define BOOTLOADER_BOOT_OF BUTTON_LEFT
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#endif
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/* Maximum allowed firmware image size. 10MB is more than enough */
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#define MAX_LOADSIZE (10*1024*1024)
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/* A buffer to load the original firmware or Rockbox into */
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unsigned char *loadbuffer = (unsigned char *)DRAM_START;
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/* Bootloader version */
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char version[] = APPSVERSION;
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void* main(void)
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{
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char buf[256];
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int i;
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int btn;
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int rc;
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unsigned short* identify_info;
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struct partinfo* pinfo;
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system_init();
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kernel_init();
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lcd_init();
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font_init();
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button_init();
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btn = button_read_device();
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/* Enable bootloader messages */
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if (btn==BOOTLOADER_VERBOSE)
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verbose = true;
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lcd_setfont(FONT_SYSFIXED);
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printf("Rockbox boot loader");
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printf("Version: 20%s", version);
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printf(MODEL_NAME);
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i=ata_init();
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if (i==0) {
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identify_info=ata_get_identify();
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/* Show model */
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for (i=0; i < 20; i++) {
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((unsigned short*)buf)[i]=htobe16(identify_info[i+27]);
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}
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buf[40]=0;
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for (i=39; i && buf[i]==' '; i--) {
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buf[i]=0;
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}
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printf(buf);
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} else {
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error(EATA, i);
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}
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disk_init();
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rc = disk_mount_all();
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if (rc<=0)
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{
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error(EDISK,rc);
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}
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pinfo = disk_partinfo(0);
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printf("Partition 0: 0x%02x %ld MB", pinfo->type, pinfo->size / 2048);
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if(btn==BOOTLOADER_BOOT_OF)
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{
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/* Load original mi4 firmware. This expects a file called
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"/System/OF.bin" on the player. It should be a mi4 firmware decrypted
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and header stripped using mi4code. It reads the file in to a memory
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buffer called loadbuffer. The rest of the loading is done in crt0.S
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*/
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printf("Loading original firmware...");
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rc=load_raw_firmware(loadbuffer, "/System/OF.bin", MAX_LOADSIZE);
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if (rc < EOK) {
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printf("Can't load /System/OF.bin");
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error(EBOOTFILE, rc);
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}
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} else {
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printf("Loading Rockbox...");
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rc=load_firmware(loadbuffer, BOOTFILE, MAX_LOADSIZE);
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if (rc < EOK) {
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printf("Can't load %s:", BOOTFILE);
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error(EBOOTFILE, rc);
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}
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}
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return (void*)loadbuffer;
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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 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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