u-boot/board/samsung/smdk5250/smdk5250_spl.c

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// SPDX-License-Identifier: GPL-2.0+
/*
* Copyright (c) 2012 The Chromium OS Authors.
*/
#include <common.h>
#include <asm/arch/cpu.h>
#include <asm/arch/spl.h>
#include <asm/arch/clk.h>
#define SIGNATURE 0xdeadbeef
/* Parameters of early board initialization in SPL */
static struct spl_machine_param machine_param
__attribute__((section(".machine_param"))) = {
.signature = SIGNATURE,
.version = 1,
.params = "vmubfasirM",
.size = sizeof(machine_param),
.mem_iv_size = 0x1f,
.mem_type = DDR_MODE_DDR3,
/*
* Set uboot_size to 0x100000 bytes.
*
* This is an overly conservative value chosen to accommodate all
* possible U-Boot image. You are advised to set this value to a
* smaller realistic size via scripts that modifies the .machine_param
* section of output U-Boot image.
*/
.uboot_size = 0x100000,
.boot_source = BOOT_MODE_OM,
.frequency_mhz = 800,
.arm_freq_mhz = 1700,
.serial_base = 0x12c30000,
.i2c_base = 0x12c60000,
.mem_manuf = MEM_MANUF_SAMSUNG,
};
struct spl_machine_param *spl_get_machine_params(void)
{
if (machine_param.signature != SIGNATURE) {
/* Will hang if SIGNATURE dont match */
while (1)
;
}
return &machine_param;
}