u-boot/arch/arm/mach-uniphier/sbc/sbc-ld11.c

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/*
* Copyright (C) 2016-2017 Socionext Inc.
*
* SPDX-License-Identifier: GPL-2.0+
*/
#include <common.h>
#include <spl.h>
#include <linux/io.h>
#include "../init.h"
#include "sbc-regs.h"
void uniphier_ld11_sbc_init(void)
{
uniphier_sbc_init_savepin();
/* necessary for ROM boot ?? */
/* system bus output enable */
writel(0x17, PC0CTRL);
/* pins for NAND and System Bus are multiplexed */
if (spl_boot_device() != BOOT_DEVICE_NAND)
uniphier_pin_init("system_bus_grp");
}