| /*************************************************************************** |
| * __________ __ ___. |
| * Open \______ \ ____ ____ | | _\_ |__ _______ ___ |
| * Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ / |
| * Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < < |
| * Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \ |
| * \/ \/ \/ \/ \/ |
| * $Id$ |
| * |
| * Copyright (C) 2011 by Amaury Pouly |
| * |
| * 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. |
| * |
| ****************************************************************************/ |
| |
| .text |
| .global start |
| @ int start(uint32_t arg, uint32_t *result_id) |
| start: |
| #if defined(SANSA_FUZEPLUS) |
| /* If volume down key is hold, return so that the OF can boot */ |
| ldr r2, =0x80018610 @ HW_PINCTRL_DIN1 |
| ldr r2, [r2] |
| tst r2, #0x40000000 @ bit 30, active low |
| moveq r0, #0 @ return 0, continue boot |
| bxeq lr |
| /* otherwise jump to section given as argument */ |
| str r0, [r1] |
| mov r0, #1 |
| bx lr |
| #else |
| #error No target defined ! |
| #endif |