uboot/u-boot-stm32mp-2020.01/arch/arm/mach-uniphier/sbc/sbc-ld11.c

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2024-01-10 06:52:34 +00:00
// SPDX-License-Identifier: GPL-2.0+
/*
* Copyright (C) 2016-2017 Socionext Inc.
*/
#include <common.h>
#include <spl.h>
#include <linux/io.h>
#include "../init.h"
#include "sbc-regs.h"
void uniphier_ld11_sbc_init(void)
{
if (!uniphier_sbc_is_enabled())
return;
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");
}