summaryrefslogtreecommitdiffstats
path: root/board/samsung/smdk5250/smdk5250_spl.c
blob: 7f3916a94a55f9e24d8d5b1f9c14cc30784b492d (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
/*
 * Copyright (c) 2012 The Chromium OS Authors.
 *
 * SPDX-License-Identifier:	GPL-2.0+
 */

#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;
}
OpenPOWER on IntegriCloud