summaryrefslogtreecommitdiff
path: root/arch/arm/cpu/armv7/uniphier/ph1-ld4/sbc_init.c
blob: a37ed1674f0e834af412400ec9ff447fcfe32aa6 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
/*
 * Copyright (C) 2011-2014 Panasonic Corporation
 *   Author: Masahiro Yamada <yamada.m@jp.panasonic.com>
 *
 * SPDX-License-Identifier:	GPL-2.0+
 */

#include <common.h>
#include <asm/io.h>
#include <asm/arch/sbc-regs.h>
#include <asm/arch/sg-regs.h>

void sbc_init(void)
{
	/* XECS1: sub/boot memory (boot swap = off/on) */
	writel(SBCTRL0_SAVEPIN_MEM_VALUE, SBCTRL10);
	writel(SBCTRL1_SAVEPIN_MEM_VALUE, SBCTRL11);
	writel(SBCTRL2_SAVEPIN_MEM_VALUE, SBCTRL12);
	writel(SBCTRL4_SAVEPIN_MEM_VALUE, SBCTRL14);

#if !defined(CONFIG_SPL_BUILD)
	/* XECS0: boot/sub memory (boot swap = off/on) */
	writel(SBCTRL0_SAVEPIN_MEM_VALUE, SBCTRL00);
	writel(SBCTRL1_SAVEPIN_MEM_VALUE, SBCTRL01);
	writel(SBCTRL2_SAVEPIN_MEM_VALUE, SBCTRL02);
	writel(SBCTRL4_SAVEPIN_MEM_VALUE, SBCTRL04);
#endif
	/* XECS3: peripherals */
	writel(SBCTRL0_SAVEPIN_PERI_VALUE, SBCTRL30);
	writel(SBCTRL1_SAVEPIN_PERI_VALUE, SBCTRL31);
	writel(SBCTRL2_SAVEPIN_PERI_VALUE, SBCTRL32);
	writel(SBCTRL4_SAVEPIN_PERI_VALUE, SBCTRL34);

	/* base address regsiters */
	writel(0x0000bc01, SBBASE0);
	writel(0x0400bc01, SBBASE1);
	writel(0x0800bf01, SBBASE3);

#if !defined(CONFIG_SPL_BUILD)
	/* enable access to sub memory when boot swap is on */
	sg_set_pinsel(155, 1); /* PORT24 -> XECS0 */
#endif
	sg_set_pinsel(156, 1); /* PORT25 -> XECS3 */
}