upstream u-boot with additional patches for our devices/boards: https://lists.denx.de/pipermail/u-boot/2017-March/282789.html (AXP crashes) ; Gbit ethernet patch for some LIME2 revisions ; with SPI flash support
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u-boot/arch/arm/mach-uniphier/ph1-pro4/sg_init.c

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/*
* 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/sg-regs.h>
void sg_init(void)
{
u32 tmp;
/* Set DDR size */
tmp = sg_memconf_val_ch0(CONFIG_SDRAM0_SIZE, CONFIG_DDR_NUM_CH0);
tmp |= sg_memconf_val_ch1(CONFIG_SDRAM1_SIZE, CONFIG_DDR_NUM_CH1);
#if CONFIG_SDRAM0_BASE + CONFIG_SDRAM0_SIZE < CONFIG_SDRAM1_BASE
tmp |= SG_MEMCONF_SPARSEMEM;
#endif
writel(tmp, SG_MEMCONF);
/* Input ports must be enabled before deasserting reset of cores */
tmp = readl(SG_IECTRL);
tmp |= 1 << 6;
writel(tmp, SG_IECTRL);
}