1 /***************************************************************************
2 * Copyright (C) 2010 by Spencer Oliver *
3 * spen@spen-soft.co.uk *
5 * This program is free software; you can redistribute it and/or modify *
6 * it under the terms of the GNU General Public License as published by *
7 * the Free Software Foundation; either version 2 of the License, or *
8 * (at your option) any later version. *
10 * This program is distributed in the hope that it will be useful, *
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of *
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
13 * GNU General Public License for more details. *
15 * You should have received a copy of the GNU General Public License *
16 * along with this program; if not, write to the *
17 * Free Software Foundation, Inc., *
18 * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. *
19 ***************************************************************************/
34 mov r4, #0x10000000 /* set DWPG bit */
35 str r4, [r2, #0x0] /* FLASH_CR0 */
36 str r1, [r2, #0x10] /* FLASH_AR */
37 ldr r4, [r0], #4 /* load data */
38 str r4, [r2, #0x8] /* FLASH_DR0 */
39 ldr r4, [r0], #4 /* load data */
40 str r4, [r2, #0xc] /* FLASH_DR1 */
41 mov r4, #0x90000000 /* set DWPG and WMS bits */
42 str r4, [r2, #0x0] /* FLASH_CR0 */
44 ldr r4, [r2, #0x0] /* FLASH_CR0 */
47 ldr r4, [r2, #0x14] /* FLASH_ER */
48 tst r4, #0xff /* do we have errors */
49 tsteq r4, #0x100 /* write protection set */
51 add r1, r1, #0x8 /* next 8 bytes */
52 subs r3, r3, #1 /* decremment dword count */