2 * Copyright (C) 2011-2015 Masahiro Yamada <yamada.masahiro@socionext.com>
4 * SPDX-License-Identifier: GPL-2.0+
9 #include <mach/sbc-regs.h>
10 #include <mach/sg-regs.h>
14 /* only address/data multiplex mode is supported */
17 * Only CS1 is connected to support card.
18 * BKSZ[1:0] should be set to "01".
20 writel(SBCTRL0_ADMULTIPLX_MEM_VALUE, SBCTRL10);
21 writel(SBCTRL1_ADMULTIPLX_MEM_VALUE, SBCTRL11);
22 writel(SBCTRL2_ADMULTIPLX_MEM_VALUE, SBCTRL12);
24 if (boot_is_swapped()) {
26 * Boot Swap On: boot from external NOR/SRAM
27 * 0x02000000-0x03ffffff is a mirror of 0x00000000-0x01ffffff.
29 * 0x00000000-0x01efffff, 0x02000000-0x03efffff: memory bank
30 * 0x01f00000-0x01ffffff, 0x03f00000-0x03ffffff: peripherals
32 writel(0x0000bc01, SBBASE0);
35 * Boot Swap Off: boot from mask ROM
36 * 0x00000000-0x01ffffff: mask ROM
37 * 0x02000000-0x03efffff: memory bank (31MB)
38 * 0x03f00000-0x03ffffff: peripherals (1MB)
40 writel(0x0000be01, SBBASE0); /* dummy */
41 writel(0x0200be01, SBBASE1);
44 sg_set_pinsel(99, 1); /* GPIO26 -> EA24 */