1 /*
2  * Copyright (C) 2013 The Chromium OS Authors.
3  *
4  * SPDX-License-Identifier:	GPL-2.0+
5  */
6 
7 #include <common.h>
8 #include <asm/arch/cpu.h>
9 #include <asm/arch/spl.h>
10 #include <asm/arch/clk.h>
11 
12 #define SIGNATURE	0xdeadbeef
13 
14 /* Parameters of early board initialization in SPL */
15 static struct spl_machine_param machine_param
16 		__attribute__((section(".machine_param"))) = {
17 	.signature	= SIGNATURE,
18 	.version	= 1,
19 	.params		= "vmubfasirM",
20 	.size		= sizeof(machine_param),
21 
22 	.mem_iv_size	= 0x1f,
23 	.mem_type	= DDR_MODE_DDR3,
24 
25 	/*
26 	 * Set uboot_size to 0x100000 bytes.
27 	 *
28 	 * This is an overly conservative value chosen to accommodate all
29 	 * possible U-Boot image.  You are advised to set this value to a
30 	 * smaller realistic size via scripts that modifies the .machine_param
31 	 * section of output U-Boot image.
32 	 */
33 	.uboot_size	= 0x100000,
34 
35 	.boot_source	= BOOT_MODE_OM,
36 	.frequency_mhz	= 800,
37 	.arm_freq_mhz	= 900,
38 	.serial_base	= 0x12c30000,
39 	.i2c_base	= 0x12c60000,
40 	.mem_manuf	= MEM_MANUF_SAMSUNG,
41 };
42 
43 struct spl_machine_param *spl_get_machine_params(void)
44 {
45 	if (machine_param.signature != SIGNATURE) {
46 		/* Will hang if SIGNATURE dont match */
47 		while (1)
48 			;
49 	}
50 
51 	return &machine_param;
52 }
53