1// SPDX-License-Identifier: GPL-2.0+
2/*
3 * Copyright (c) 2012 The Chromium OS Authors.
4 */
5
6#include <common.h>
7#include <asm/arch/spl.h>
8
9#define SIGNATURE	0xdeadbeef
10
11/* Parameters of early board initialization in SPL */
12static struct spl_machine_param machine_param
13		__section(".machine_param") = {
14	.signature	= SIGNATURE,
15	.version	= 1,
16	.params		= "vmubfasirM",
17	.size		= sizeof(machine_param),
18
19	.mem_iv_size	= 0x1f,
20	.mem_type	= DDR_MODE_DDR3,
21
22	/*
23	 * Set uboot_size to 0x100000 bytes.
24	 *
25	 * This is an overly conservative value chosen to accommodate all
26	 * possible U-Boot image.  You are advised to set this value to a
27	 * smaller realistic size via scripts that modifies the .machine_param
28	 * section of output U-Boot image.
29	 */
30	.uboot_size	= 0x100000,
31
32	.boot_source	= BOOT_MODE_OM,
33	.frequency_mhz	= 800,
34	.arm_freq_mhz	= 1000,
35	.serial_base	= 0x12c30000,
36	.i2c_base	= 0x12c60000,
37	.mem_manuf	= MEM_MANUF_SAMSUNG,
38};
39
40struct spl_machine_param *spl_get_machine_params(void)
41{
42	if (machine_param.signature != SIGNATURE) {
43		/* Will hang if SIGNATURE dont match */
44		while (1)
45			;
46	}
47
48	return &machine_param;
49}
50