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/cpu.h>
8 #include <asm/arch/spl.h>
9 #include <asm/arch/clk.h>
10
11 #define SIGNATURE 0xdeadbeef
12
13 /* Parameters of early board initialization in SPL */
14 static struct spl_machine_param machine_param
15 __attribute__((section(".machine_param"))) = {
16 .signature = SIGNATURE,
17 .version = 1,
18 .params = "vmubfasirM",
19 .size = sizeof(machine_param),
20
21 .mem_iv_size = 0x1f,
22 .mem_type = DDR_MODE_DDR3,
23
24 /*
25 * Set uboot_size to 0x100000 bytes.
26 *
27 * This is an overly conservative value chosen to accommodate all
28 * possible U-Boot image. You are advised to set this value to a
29 * smaller realistic size via scripts that modifies the .machine_param
30 * section of output U-Boot image.
31 */
32 .uboot_size = 0x100000,
33
34 .boot_source = BOOT_MODE_OM,
35 .frequency_mhz = 800,
36 .arm_freq_mhz = 1700,
37 .serial_base = 0x12c30000,
38 .i2c_base = 0x12c60000,
39 .mem_manuf = MEM_MANUF_SAMSUNG,
40 };
41
spl_get_machine_params(void)42 struct spl_machine_param *spl_get_machine_params(void)
43 {
44 if (machine_param.signature != SIGNATURE) {
45 /* Will hang if SIGNATURE dont match */
46 while (1)
47 ;
48 }
49
50 return &machine_param;
51 }
52