1 /***************************************************************************
2 * Copyright (C) 2005, 2007 by Dominic Rath *
3 * Dominic.Rath@gmx.de *
4 * Copyright (C) 2010 Spencer Oliver *
5 * spen@spen-soft.co.uk *
7 * This program is free software; you can redistribute it and/or modify *
8 * it under the terms of the GNU General Public License as published by *
9 * the Free Software Foundation; either version 2 of the License, or *
10 * (at your option) any later version. *
12 * This program is distributed in the hope that it will be useful, *
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of *
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
15 * GNU General Public License for more details. *
17 * You should have received a copy of the GNU General Public License *
18 * along with this program; if not, write to the *
19 * Free Software Foundation, Inc., *
20 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. *
21 ***************************************************************************/
31 /* input parameters - */
32 /* R0 = source address */
33 /* R1 = destination address */
34 /* R2 = number of writes */
35 /* R3 = flash write command */
36 /* R4 = constant to mask DQ7 bits */
37 /* output parameters - */
38 /* R5 = 0x80 ok 0x00 bad */
39 /* temp registers - */
40 /* R6 = value read from flash to test status */
41 /* R7 = holding register */
42 /* unlock registers - */
43 /* R8 = unlock1_addr */
44 /* R9 = unlock1_cmd */
45 /* R10 = unlock2_addr */
46 /* R11 = unlock2_cmd */
60 subs r2, r2, #1 /* 0x1 */
62 add r1, r1, #2 /* 0x2 */
66 mov r5, #128 /* 0x80 */