1 /* SPDX-License-Identifier: GPL-2.0-or-later */
3 /***************************************************************************
4 * Copyright (C) 2005, 2007 by Dominic Rath *
5 * Dominic.Rath@gmx.de *
6 * Copyright (C) 2010 Spencer Oliver *
7 * spen@spen-soft.co.uk *
8 ***************************************************************************/
16 /* algorithm register usage:
17 * r0: source address (in RAM)
18 * r1: target address (in Flash)
20 * r3: flash write command
21 * r4: status byte (returned to host)
22 * r5: busy test pattern
23 * r6: error test pattern