c468273e6d
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@21593 a1c6a512-1295-4272-9138-f99709370657
152 lines
3.5 KiB
C
Executable file
152 lines
3.5 KiB
C
Executable file
/***************************************************************************
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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) 2008 by Maurus Cuelenaere
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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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 "jz4740.h"
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#include "backlight.h"
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#include "backlight-target.h"
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#include "font.h"
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#include "lcd.h"
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#include "usb.h"
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#include "system.h"
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#include "button.h"
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#include "common.h"
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#include "storage.h"
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#include "disk.h"
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#include "string.h"
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#include "adc.h"
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static void show_splash(int timeout, const char *msg)
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{
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reset_screen();
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lcd_putsxy( (LCD_WIDTH - (SYSFONT_WIDTH * strlen(msg))) / 2,
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(LCD_HEIGHT - SYSFONT_HEIGHT) / 2, msg);
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lcd_update();
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sleep(timeout);
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}
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static void usb_mode(void)
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{
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int button;
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/* Init USB */
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usb_init();
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usb_start_monitoring();
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/* Wait for threads to connect */
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show_splash(HZ/2, "Waiting for USB");
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while (1)
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{
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button = button_get_w_tmo(HZ/2);
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if (button == SYS_USB_CONNECTED)
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break; /* Hit */
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}
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if (button == SYS_USB_CONNECTED)
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{
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/* Got the message - wait for disconnect */
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show_splash(0, "Bootloader USB mode");
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usb_acknowledge(SYS_USB_CONNECTED_ACK);
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while (1)
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{
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button = button_get(true);
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if (button == SYS_USB_DISCONNECTED)
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{
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usb_acknowledge(SYS_USB_DISCONNECTED_ACK);
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break;
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}
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}
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}
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reset_screen();
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}
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static void boot_of(void)
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{
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/* Do nothing atm */
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}
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int main(void)
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{
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int rc;
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#ifdef HAVE_TOUCHSCREEN
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int dummy;
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#endif
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void (*kernel_entry)(void);
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kernel_init();
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lcd_init();
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font_init();
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lcd_setfont(FONT_SYSFIXED);
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button_init();
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adc_init();
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backlight_init();
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reset_screen();
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printf(MODEL_NAME" Rockbox Bootloader");
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printf("Version "APPSVERSION);
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rc = storage_init();
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if(rc)
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error(EATA, rc);
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#ifdef HAVE_TOUCHSCREEN
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rc = button_read_device(&dummy);
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#else
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rc = button_read_device();
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#endif
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if(rc & BUTTON_VOL_UP)
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usb_mode();
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else if(button_hold())
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boot_of();
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rc = disk_mount_all();
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if (rc <= 0)
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error(EDISK,rc);
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printf("Loading firmware");
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rc = load_firmware((unsigned char *)CONFIG_SDRAM_START, BOOTFILE, 0x400000);
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if(rc < 0)
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printf("Error: %s", strerror(rc));
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if (rc == EOK)
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{
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printf("Starting Rockbox...");
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adc_close(); /* Disable SADC */
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_backlight_off(); /* Force backlight off to prevent LCD 'flicker' */
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disable_interrupt();
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kernel_entry = (void*) CONFIG_SDRAM_START;
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kernel_entry();
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}
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/* Halt */
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while (1)
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core_idle();
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return 0;
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}
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