| /*************************************************************************** |
| * __________ __ ___. |
| * Open \______ \ ____ ____ | | _\_ |__ _______ ___ |
| * Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ / |
| * Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < < |
| * Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \ |
| * \/ \/ \/ \/ \/ |
| * $Id$ |
| * |
| * Copyright (C) 2006 by Greg White |
| * |
| * This program is free software; you can redistribute it and/or |
| * modify it under the terms of the GNU General Public License |
| * as published by the Free Software Foundation; either version 2 |
| * of the License, or (at your option) any later version. |
| * |
| * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY |
| * KIND, either express or implied. |
| * |
| ****************************************************************************/ |
| #include "config.h" |
| |
| #include <stdlib.h> |
| #include <stdio.h> |
| #include "inttypes.h" |
| #include "string.h" |
| #include "cpu.h" |
| #include "system.h" |
| #include "lcd.h" |
| #include "kernel.h" |
| #include "thread.h" |
| #include "storage.h" |
| #include "fat.h" |
| #include "disk.h" |
| #include "font.h" |
| #include "adc.h" |
| #include "backlight.h" |
| #include "backlight-target.h" |
| #include "button.h" |
| #include "panic.h" |
| #include "power.h" |
| #include "file.h" |
| #include "common.h" |
| #include "rbunicode.h" |
| #include "usb.h" |
| #include "mmu-arm.h" |
| #include "rtc.h" |
| |
| #include <stdarg.h> |
| |
| char version[] = APPSVERSION; |
| |
| void shutdown(void) |
| { |
| /* We need to gracefully spin down the disk to prevent clicks. */ |
| if (ide_powered()) |
| { |
| /* Make sure ATA has been initialized. */ |
| ata_init(); |
| |
| /* And put the disk into sleep immediately. */ |
| ata_sleepnow(); |
| } |
| |
| _backlight_off(); |
| |
| power_off(); |
| } |
| |
| void main(void) |
| { |
| unsigned char* loadbuffer; |
| int buffer_size; |
| int rc; |
| int(*kernel_entry)(void); |
| |
| system_init(); |
| kernel_init(); /* Need the kernel to sleep */ |
| |
| enable_interrupt(IRQ_FIQ_STATUS); |
| |
| lcd_init(); |
| backlight_init(); |
| button_init(); |
| font_init(); |
| adc_init(); |
| |
| lcd_setfont(FONT_SYSFIXED); |
| |
| /* These checks should only run if the bootloader is flashed */ |
| if(GSTATUS3&0x02) |
| { |
| GSTATUS3&=0xFFFFFFFD; |
| if(!(GPGDAT&BUTTON_POWER) && charger_inserted()) |
| { |
| while(!(GPGDAT&BUTTON_POWER) && charger_inserted()) |
| { |
| char msg[20]; |
| if(charging_state()) |
| { |
| snprintf(msg,sizeof(msg),"Charging"); |
| } |
| else |
| { |
| snprintf(msg,sizeof(msg),"Charge Complete"); |
| } |
| reset_screen(); |
| lcd_putsxy( (LCD_WIDTH - (SYSFONT_WIDTH * strlen(msg))) / 2, |
| (LCD_HEIGHT - SYSFONT_HEIGHT) / 2, msg); |
| lcd_update(); |
| |
| #if defined(HAVE_RTC_ALARM) |
| /* Check if the alarm went off while charging */ |
| if(rtc_check_alarm_flag()) |
| { |
| GSTATUS3=1; /* Normally this is set in crt0.s */ |
| break; |
| } |
| #endif |
| } |
| if(!(GPGDAT&BUTTON_POWER) |
| #if defined(HAVE_RTC_ALARM) |
| && !GSTATUS3 |
| #endif |
| ) |
| { |
| shutdown(); |
| } |
| } |
| |
| if(button_hold()) |
| { |
| const char msg[] = "HOLD is enabled"; |
| reset_screen(); |
| lcd_putsxy( (LCD_WIDTH - (SYSFONT_WIDTH * strlen(msg))) / 2, |
| (LCD_HEIGHT - SYSFONT_HEIGHT) / 2, msg); |
| lcd_update(); |
| |
| sleep(2*HZ); |
| |
| shutdown(); |
| } |
| } |
| |
| power_init(); |
| usb_init(); |
| |
| /* Enter USB mode without USB thread */ |
| if(usb_detect() == USB_INSERTED) |
| { |
| const char msg[] = "Bootloader USB mode"; |
| reset_screen(); |
| lcd_putsxy( (LCD_WIDTH - (SYSFONT_WIDTH * strlen(msg))) / 2, |
| (LCD_HEIGHT - SYSFONT_HEIGHT) / 2, msg); |
| lcd_update(); |
| |
| storage_enable(false); |
| sleep(HZ/20); |
| usb_enable(true); |
| |
| while (usb_detect() == USB_INSERTED) |
| sleep(HZ); |
| |
| usb_enable(false); |
| |
| reset_screen(); |
| lcd_update(); |
| } |
| |
| reset_screen(); |
| |
| /* Show debug messages if button is pressed */ |
| if(button_read_device()) |
| verbose = true; |
| |
| printf("Rockbox boot loader"); |
| printf("Version %s", version); |
| |
| sleep(50); /* ATA seems to error without this pause */ |
| |
| rc = storage_init(); |
| if(rc) |
| { |
| reset_screen(); |
| error(EATA, rc); |
| } |
| |
| disk_init(); |
| |
| rc = disk_mount_all(); |
| if (rc<=0) |
| { |
| error(EDISK,rc); |
| } |
| |
| printf("Loading firmware"); |
| |
| /* Flush out anything pending first */ |
| invalidate_icache(); |
| |
| loadbuffer = (unsigned char*) 0x31000000; |
| buffer_size = (unsigned char*)0x31400000 - loadbuffer; |
| |
| rc = load_firmware(loadbuffer, BOOTFILE, buffer_size); |
| if(rc < 0) |
| error(EBOOTFILE, rc); |
| |
| storage_close(); |
| system_prepare_fw_start(); |
| |
| if (rc == EOK) |
| { |
| invalidate_icache(); |
| kernel_entry = (void*) loadbuffer; |
| rc = kernel_entry(); |
| } |
| |
| #if 0 |
| /* Halt */ |
| while (1) |
| core_idle(); |
| #else |
| /* Return and restart */ |
| #endif |
| } |
| |