2 * Copyright (C) 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>
12 int proxstream2_sbc_init(const struct uniphier_board_data *bd)
14 /* necessary for ROM boot ?? */
15 /* system bus output enable */
16 writel(0x17, PC0CTRL);
19 * Only CS1 is connected to support card.
20 * BKSZ[1:0] should be set to "01".
22 writel(SBCTRL0_SAVEPIN_PERI_VALUE, SBCTRL10);
23 writel(SBCTRL1_SAVEPIN_PERI_VALUE, SBCTRL11);
24 writel(SBCTRL2_SAVEPIN_PERI_VALUE, SBCTRL12);
25 writel(SBCTRL4_SAVEPIN_PERI_VALUE, SBCTRL14);
27 if (boot_is_swapped()) {
29 * Boot Swap On: boot from external NOR/SRAM
30 * 0x42000000-0x43ffffff is a mirror of 0x40000000-0x41ffffff.
32 * 0x40000000-0x41efffff, 0x42000000-0x43efffff: memory bank
33 * 0x41f00000-0x41ffffff, 0x43f00000-0x43ffffff: peripherals
35 writel(0x0000bc01, SBBASE0);
38 * Boot Swap Off: boot from mask ROM
39 * 0x40000000-0x41ffffff: mask ROM
40 * 0x42000000-0x43efffff: memory bank (31MB)
41 * 0x43f00000-0x43ffffff: peripherals (1MB)
43 writel(0x0000be01, SBBASE0); /* dummy */
44 writel(0x0200be01, SBBASE1);