1 /*
2  * Copyright (c) 2012 The Chromium OS Authors.
3  *
4  * SPDX-License-Identifier:	GPL-2.0+
5  */
6 
7 #include <common.h>
8 #include <asm/arch/spl.h>
9 
10 #define SIGNATURE	0xdeadbeef
11 
12 /* Parameters of early board initialization in SPL */
13 static struct spl_machine_param machine_param
14 		__attribute__((section(".machine_param"))) = {
15 	.signature	= SIGNATURE,
16 	.version	= 1,
17 	.params		= "vmubfasirM",
18 	.size		= sizeof(machine_param),
19 
20 	.mem_iv_size	= 0x1f,
21 	.mem_type	= DDR_MODE_DDR3,
22 
23 	/*
24 	 * Set uboot_size to 0x100000 bytes.
25 	 *
26 	 * This is an overly conservative value chosen to accommodate all
27 	 * possible U-Boot image.  You are advised to set this value to a
28 	 * smaller realistic size via scripts that modifies the .machine_param
29 	 * section of output U-Boot image.
30 	 */
31 	.uboot_size	= 0x100000,
32 
33 	.boot_source	= BOOT_MODE_OM,
34 	.frequency_mhz	= 800,
35 	.arm_freq_mhz	= 1000,
36 	.serial_base	= 0x12c30000,
37 	.i2c_base	= 0x12c60000,
38 	.mem_manuf	= MEM_MANUF_SAMSUNG,
39 };
40 
41 struct spl_machine_param *spl_get_machine_params(void)
42 {
43 	if (machine_param.signature != SIGNATURE) {
44 		/* Will hang if SIGNATURE dont match */
45 		while (1)
46 			;
47 	}
48 
49 	return &machine_param;
50 }
51