u-boot-brain/arch/arm/mach-uniphier/ph1-ld4/sbc_init.c
Masahiro Yamada 4c42557021 ARM: UniPhier: move SoC sources to mach-uniphier
Move
arch/arm/cpu/armv7/uniphier/* -> arch/arm/mach-uniphier/*

Signed-off-by: Masahiro Yamada <yamada.m@jp.panasonic.com>
2015-03-01 00:01:56 +09:00

52 lines
1.4 KiB
C

/*
* 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)
{
u32 tmp;
/* system bus output enable */
tmp = readl(PC0CTRL);
tmp &= 0xfffffcff;
writel(tmp, PC0CTRL);
/* 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 */
}