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// SPDX-License-Identifier: GPL-2.0+
/*
* Copyright (C) 2020
* Author(s): Giulio Benetti <giulio.benetti@benettiengineering.com>
*/
#include <common.h>
#include <dm.h>
#include <init.h>
#include <log.h>
#include <ram.h>
#include <spl.h>
#include <asm/global_data.h>
#include <asm/io.h>
#include <asm/armv7m.h>
#include <serial.h>
DECLARE_GLOBAL_DATA_PTR;
int dram_init(void)
{
#ifndef CONFIG_SUPPORT_SPL
int rv;
struct udevice *dev;
rv = uclass_get_device(UCLASS_RAM, 0, &dev);
if (rv) {
debug("DRAM init failed: %d\n", rv);
return rv;
}
#endif
return fdtdec_setup_mem_size_base();
}
int dram_init_banksize(void)
{
return fdtdec_setup_memory_banksize();
}
#ifdef CONFIG_SPL_BUILD
#ifdef CONFIG_SPL_OS_BOOT
int spl_start_uboot(void)
{
debug("SPL: booting kernel\n");
/* break into full u-boot on 'c' */
return serial_tstc() && serial_getc() == 'c';
}
#endif
int spl_dram_init(void)
{
struct udevice *dev;
int rv;
rv = uclass_get_device(UCLASS_RAM, 0, &dev);
if (rv)
debug("DRAM init failed: %d\n", rv);
return rv;
}
void spl_board_init(void)
{
preloader_console_init();
spl_dram_init();
arch_cpu_init(); /* to configure mpu for sdram rw permissions */
}
u32 spl_boot_device(void)
{
return BOOT_DEVICE_MMC1;
}
#endif
int board_init(void)
{
gd->bd->bi_boot_params = gd->bd->bi_dram[0].start + 0x100;
return 0;
}
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