2 * Copyright (C) 2011-2015 Panasonic Corporation
3 * Author: Masahiro Yamada <yamada.m@jp.panasonic.com>
5 * SPDX-License-Identifier: GPL-2.0+
10 #include <mach/sbc-regs.h>
11 #include <mach/sg-regs.h>
17 /* system bus output enable */
23 * Only CS1 is connected to support card.
24 * BKSZ[1:0] should be set to "01".
26 writel(SBCTRL0_SAVEPIN_PERI_VALUE, SBCTRL10);
27 writel(SBCTRL1_SAVEPIN_PERI_VALUE, SBCTRL11);
28 writel(SBCTRL2_SAVEPIN_PERI_VALUE, SBCTRL12);
29 writel(SBCTRL4_SAVEPIN_PERI_VALUE, SBCTRL14);
31 if (boot_is_swapped()) {
33 * Boot Swap On: boot from external NOR/SRAM
34 * 0x02000000-0x03ffffff is a mirror of 0x00000000-0x01ffffff.
36 * 0x00000000-0x01efffff, 0x02000000-0x03efffff: memory bank
37 * 0x01f00000-0x01ffffff, 0x03f00000-0x03ffffff: peripherals
39 writel(0x0000bc01, SBBASE0);
42 * Boot Swap Off: boot from mask ROM
43 * 0x00000000-0x01ffffff: mask ROM
44 * 0x02000000-0x03efffff: memory bank (31MB)
45 * 0x03f00000-0x03ffffff: peripherals (1MB)
47 writel(0x0000be01, SBBASE0); /* dummy */
48 writel(0x0200be01, SBBASE1);