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karo: cleanup after merge of v2015.10-rc2
[karo-tx-uboot.git] / arch / arm / mach-uniphier / ph1-pro4 / sbc_init.c
1 /*
2  * Copyright (C) 2011-2015 Masahiro Yamada <yamada.masahiro@socionext.com>
3  *
4  * SPDX-License-Identifier:     GPL-2.0+
5  */
6
7 #include <common.h>
8 #include <linux/io.h>
9 #include <mach/sbc-regs.h>
10 #include <mach/sg-regs.h>
11
12 void sbc_init(void)
13 {
14         /*
15          * Only CS1 is connected to support card.
16          * BKSZ[1:0] should be set to "01".
17          */
18         writel(SBCTRL0_SAVEPIN_PERI_VALUE, SBCTRL10);
19         writel(SBCTRL1_SAVEPIN_PERI_VALUE, SBCTRL11);
20         writel(SBCTRL2_SAVEPIN_PERI_VALUE, SBCTRL12);
21         writel(SBCTRL4_SAVEPIN_PERI_VALUE, SBCTRL14);
22
23         if (boot_is_swapped()) {
24                 /*
25                  * Boot Swap On: boot from external NOR/SRAM
26                  * 0x02000000-0x03ffffff is a mirror of 0x00000000-0x01ffffff.
27                  *
28                  * 0x00000000-0x01efffff, 0x02000000-0x03efffff: memory bank
29                  * 0x01f00000-0x01ffffff, 0x03f00000-0x03ffffff: peripherals
30                  */
31                 writel(0x0000bc01, SBBASE0);
32         } else {
33                 /*
34                  * Boot Swap Off: boot from mask ROM
35                  * 0x00000000-0x01ffffff: mask ROM
36                  * 0x02000000-0x03efffff: memory bank (31MB)
37                  * 0x03f00000-0x03ffffff: peripherals (1MB)
38                  */
39                 writel(0x0000be01, SBBASE0); /* dummy */
40                 writel(0x0200be01, SBBASE1);
41         }
42 }