0e16bd3cc9
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@13662 a1c6a512-1295-4272-9138-f99709370657
608 lines
14 KiB
C
608 lines
14 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) 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 "inttypes.h"
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#include "string.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 "lcd-remote.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 "usb.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 "backlight-target.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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#include "uda1380.h"
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#include "eeprom_settings.h"
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#include "rbunicode.h"
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#include "common.h"
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#include <stdarg.h>
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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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#define DRAM_START 0x31000000
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#ifdef HAVE_EEPROM_SETTINGS
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static bool recovery_mode = false;
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#endif
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char version[] = APPSVERSION;
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/* Reset the cookie for the crt0 crash check */
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inline void __reset_cookie(void)
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{
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asm(" move.l #0,%d0");
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asm(" move.l %d0,0x10017ffc");
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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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__reset_cookie();
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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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void start_firmware(void)
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{
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asm(" move.w #0x2700,%sr");
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__reset_cookie();
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asm(" move.l %0,%%d0" :: "i"(DRAM_START));
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asm(" movec.l %d0,%vbr");
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asm(" move.l %0,%%sp" :: "m"(*(int *)DRAM_START));
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asm(" move.l %0,%%a0" :: "m"(*(int *)(DRAM_START+4)));
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asm(" jmp (%a0)");
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}
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#ifdef IRIVER_H100_SERIES
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void start_flashed_romimage(void)
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{
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uint8_t *src = (uint8_t *)FLASH_ROMIMAGE_ENTRY;
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int *reset_vector;
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if (!detect_flashed_romimage())
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return ;
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reset_vector = (int *)(&src[sizeof(struct flash_header)+4]);
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asm(" move.w #0x2700,%sr");
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__reset_cookie();
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asm(" move.l %0,%%d0" :: "i"(DRAM_START));
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asm(" movec.l %d0,%vbr");
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asm(" move.l %0,%%sp" :: "m"(reset_vector[0]));
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asm(" move.l %0,%%a0" :: "m"(reset_vector[1]));
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asm(" jmp (%a0)");
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/* Failure */
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power_off();
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}
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void start_flashed_ramimage(void)
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{
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struct flash_header hdr;
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unsigned char *buf = (unsigned char *)DRAM_START;
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uint8_t *src = (uint8_t *)FLASH_RAMIMAGE_ENTRY;
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if (!detect_flashed_ramimage())
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return;
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/* Load firmware from flash */
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cpu_boost(true);
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memcpy(&hdr, src, sizeof(struct flash_header));
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src += sizeof(struct flash_header);
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memcpy(buf, src, hdr.length);
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cpu_boost(false);
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start_firmware();
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/* Failure */
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power_off();
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}
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#endif /* IRIVER_H100_SERIES */
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void shutdown(void)
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{
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printf("Shutting down...");
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#ifdef HAVE_EEPROM_SETTINGS
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/* Reset the rockbox crash check. */
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firmware_settings.bl_version = 0;
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eeprom_settings_store();
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#endif
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/* We need to gracefully spin down the disk to prevent clicks. */
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if (ide_powered())
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{
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/* Make sure ATA has been initialized. */
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ata_init();
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/* And put the disk into sleep immediately. */
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ata_sleepnow();
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}
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sleep(HZ*2);
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/* Backlight OFF */
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__backlight_off();
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#ifdef HAVE_REMOTE_LCD
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__remote_backlight_off();
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#endif
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__reset_cookie();
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power_off();
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}
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/* Print the battery voltage (and a warning message). */
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void check_battery(void)
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{
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int adc_battery, battery_voltage, batt_int, batt_frac;
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adc_battery = adc_read(ADC_BATTERY);
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battery_voltage = (adc_battery * BATTERY_SCALE_FACTOR) / 10000;
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batt_int = battery_voltage / 100;
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batt_frac = battery_voltage % 100;
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printf("Batt: %d.%02dV", batt_int, batt_frac);
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if (battery_voltage <= 310)
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{
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printf("WARNING! BATTERY LOW!!");
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sleep(HZ*2);
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}
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}
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#ifdef HAVE_EEPROM_SETTINGS
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void initialize_eeprom(void)
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{
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if (detect_original_firmware())
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return ;
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if (!eeprom_settings_init())
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{
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recovery_mode = true;
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return ;
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}
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/* If bootloader version has not been reset, disk might
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* not be intact. */
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if (firmware_settings.bl_version || !firmware_settings.disk_clean)
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{
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firmware_settings.disk_clean = false;
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recovery_mode = true;
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}
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firmware_settings.bl_version = EEPROM_SETTINGS_BL_MINVER;
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eeprom_settings_store();
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}
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void try_flashboot(void)
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{
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if (!firmware_settings.initialized)
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return ;
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switch (firmware_settings.bootmethod)
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{
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case BOOT_DISK:
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return;
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case BOOT_ROM:
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start_flashed_romimage();
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recovery_mode = true;
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break;
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case BOOT_RAM:
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start_flashed_ramimage();
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recovery_mode = true;
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break;
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default:
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recovery_mode = true;
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return;
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}
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}
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static const char *options[] = {
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"Boot from disk",
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"Boot RAM image",
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"Boot ROM image",
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"Shutdown"
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};
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#define FAILSAFE_OPTIONS 4
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void failsafe_menu(void)
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{
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int timeout = 15;
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int option = 3;
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int button;
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int defopt = -1;
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char buf[32];
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int i;
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extern int line;
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reset_screen();
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printf("Bootloader %s", version);
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check_battery();
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printf("=========================");
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line += FAILSAFE_OPTIONS;
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printf("");
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printf(" [NAVI] to confirm.");
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printf(" [REC] to set as default.");
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printf("");
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if (firmware_settings.initialized)
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{
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defopt = firmware_settings.bootmethod;
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if (defopt < 0 || defopt >= FAILSAFE_OPTIONS)
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defopt = option;
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}
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while (timeout > 0)
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{
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/* Draw the menu. */
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line = 3;
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for (i = 0; i < FAILSAFE_OPTIONS; i++)
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{
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char *def = "[DEF]";
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char *arrow = "->";
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if (i != defopt)
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def = "";
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if (i != option)
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arrow = " ";
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printf("%s %s %s", arrow, options[i], def);
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}
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snprintf(buf, sizeof(buf), "Time left: %ds", timeout);
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lcd_puts(0, 10, buf);
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lcd_update();
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button = button_get_w_tmo(HZ);
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if (button == BUTTON_NONE)
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{
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timeout--;
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continue ;
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}
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timeout = 15;
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/* Ignore the ON/PLAY -button because it can cause trouble
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with the RTC alarm mod. */
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switch (button & ~(BUTTON_ON))
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{
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case BUTTON_UP:
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case BUTTON_RC_REW:
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if (option > 0)
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option--;
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break ;
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case BUTTON_DOWN:
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case BUTTON_RC_FF:
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if (option < FAILSAFE_OPTIONS-1)
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option++;
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break ;
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case BUTTON_SELECT:
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case BUTTON_RC_ON:
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timeout = 0;
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break ;
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case BUTTON_REC:
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case BUTTON_RC_REC:
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if (firmware_settings.initialized)
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{
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firmware_settings.bootmethod = option;
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eeprom_settings_store();
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defopt = option;
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}
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break ;
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}
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}
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lcd_puts(0, 10, "Executing command...");
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lcd_update();
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sleep(HZ);
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reset_screen();
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switch (option)
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{
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case BOOT_DISK:
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return ;
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case BOOT_RAM:
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start_flashed_ramimage();
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printf("Image not found");
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break;
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case BOOT_ROM:
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start_flashed_romimage();
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printf("Image not found");
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break;
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}
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shutdown();
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}
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#endif
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void main(void)
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{
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int i;
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int rc;
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bool rc_on_button = false;
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bool on_button = false;
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bool rec_button = false;
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bool hold_status = false;
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int data;
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extern int line; /* From common.c */
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extern int remote_line; /* From common.c */
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/* We want to read the buttons as early as possible, before the user
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releases the ON button */
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/* Set GPIO33, GPIO37, GPIO38 and GPIO52 as general purpose inputs
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(The ON and Hold buttons on the main unit and the remote) */
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or_l(0x00100062, &GPIO1_FUNCTION);
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and_l(~0x00100062, &GPIO1_ENABLE);
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data = GPIO1_READ;
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if ((data & 0x20) == 0)
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on_button = true;
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if ((data & 0x40) == 0)
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rc_on_button = true;
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/* Set the default state of the hard drive power to OFF */
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ide_power_enable(false);
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power_init();
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/* Turn off if neither ON button is pressed */
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if(!(on_button || rc_on_button || usb_detect()))
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{
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__reset_cookie();
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power_off();
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}
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/* Start with the main backlight OFF. */
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__backlight_init();
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__backlight_off();
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/* Remote backlight ON */
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#ifdef HAVE_REMOTE_LCD
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__remote_backlight_on();
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#endif
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system_init();
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kernel_init();
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#ifdef HAVE_ADJUSTABLE_CPU_FREQ
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/* Set up waitstates for the peripherals */
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set_cpu_frequency(0); /* PLL off */
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#ifdef CPU_COLDFIRE
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coldfire_set_pllcr_audio_bits(DEFAULT_PLLCR_AUDIO_BITS);
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#endif
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#endif
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set_irq_level(0);
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#ifdef HAVE_EEPROM_SETTINGS
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initialize_eeprom();
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#endif
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adc_init();
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button_init();
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if ((on_button && button_hold()) ||
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(rc_on_button && remote_button_hold()))
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{
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hold_status = true;
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}
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/* Power on the hard drive early, to speed up the loading. */
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if (!hold_status
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# ifdef HAVE_EEPROM_SETTINGS
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&& !recovery_mode
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# endif
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)
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{
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ide_power_enable(true);
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}
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# ifdef EEPROM_SETTINGS
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if (!hold_status && !usb_detect() && !recovery_mode)
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try_flashboot();
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# endif
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backlight_init();
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#ifdef HAVE_UDA1380
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audiohw_reset();
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#endif
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lcd_init();
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#ifdef HAVE_REMOTE_LCD
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lcd_remote_init();
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#endif
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font_init();
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lcd_setfont(FONT_SYSFIXED);
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printf("Rockbox boot loader");
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printf("Version %s", version);
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sleep(HZ/50); /* Allow the button driver to check the buttons */
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rec_button = ((button_status() & BUTTON_REC) == BUTTON_REC)
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|| ((button_status() & BUTTON_RC_REC) == BUTTON_RC_REC);
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check_battery();
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/* Don't start if the Hold button is active on the device you
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are starting with */
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if (!usb_detect() && (hold_status
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#ifdef HAVE_EEPROM_SETTINGS
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|| recovery_mode
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#endif
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))
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{
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if (detect_original_firmware())
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{
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printf("Hold switch on");
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shutdown();
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}
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#ifdef HAVE_EEPROM_SETTINGS
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failsafe_menu();
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#endif
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}
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/* Holding REC while starting runs the original firmware */
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if (detect_original_firmware() && rec_button)
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{
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printf("Starting original firmware...");
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start_iriver_fw();
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}
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usb_init();
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/* A hack to enter USB mode without using the USB thread */
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if(usb_detect())
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{
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const char msg[] = "Bootloader USB mode";
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int w, h;
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font_getstringsize(msg, &w, &h, FONT_SYSFIXED);
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reset_screen();
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lcd_putsxy((LCD_WIDTH-w)/2, (LCD_HEIGHT-h)/2, msg);
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lcd_update();
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#ifdef HAVE_REMOTE_LCD
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lcd_remote_puts(0, 3, msg);
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lcd_remote_update();
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#endif
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#ifdef HAVE_EEPROM_SETTINGS
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if (firmware_settings.initialized)
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{
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firmware_settings.disk_clean = false;
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eeprom_settings_store();
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}
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#endif
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ide_power_enable(true);
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ata_enable(false);
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sleep(HZ/20);
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usb_enable(true);
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cpu_idle_mode(true);
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while (usb_detect())
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{
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/* Print the battery status. */
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line = 0;
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remote_line = 0;
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check_battery();
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ata_spin(); /* Prevent the drive from spinning down */
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sleep(HZ);
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/* Backlight OFF */
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__backlight_off();
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}
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cpu_idle_mode(false);
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usb_enable(false);
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reset_screen();
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lcd_update();
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}
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rc = ata_init();
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if(rc)
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{
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reset_screen();
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printf("ATA error: %d", rc);
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printf("Insert USB cable and press");
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printf("a button");
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while(!(button_get(true) & BUTTON_REL));
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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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reset_screen();
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printf("No partition found");
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while(button_get(true) != SYS_USB_CONNECTED) {};
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}
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printf("Loading firmware");
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i = load_firmware((unsigned char *)DRAM_START, BOOTFILE, MAX_LOADSIZE);
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if(i < 0)
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printf("Error: %s", strerror(i));
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if (i == EOK)
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start_firmware();
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if (!detect_original_firmware())
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{
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printf("No firmware found on disk");
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sleep(HZ*2);
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shutdown();
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}
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else {
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sleep(HZ*2);
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start_iriver_fw();
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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 screen_dump(void)
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{
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}
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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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unsigned short *bidi_l2v(const unsigned char *str, int orientation)
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{
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static unsigned short utf16_buf[SCROLL_LINE_SIZE];
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unsigned short *target;
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(void)orientation;
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target = utf16_buf;
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while (*str)
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str = utf8decode(str, target++);
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*target = 0;
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return utf16_buf;
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}
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