1*83d290c5STom Rini // SPDX-License-Identifier: GPL-2.0+
2a2ac68fbSChander Kashyap /*
3a2ac68fbSChander Kashyap * Copyright (c) 2012 The Chromium OS Authors.
4a2ac68fbSChander Kashyap */
5a2ac68fbSChander Kashyap
6a2ac68fbSChander Kashyap #include <common.h>
7a2ac68fbSChander Kashyap #include <asm/arch/spl.h>
8a2ac68fbSChander Kashyap
9a2ac68fbSChander Kashyap #define SIGNATURE 0xdeadbeef
10a2ac68fbSChander Kashyap
11a2ac68fbSChander Kashyap /* Parameters of early board initialization in SPL */
12a2ac68fbSChander Kashyap static struct spl_machine_param machine_param
13a2ac68fbSChander Kashyap __attribute__((section(".machine_param"))) = {
14a2ac68fbSChander Kashyap .signature = SIGNATURE,
15a2ac68fbSChander Kashyap .version = 1,
16a2ac68fbSChander Kashyap .params = "vmubfasirM",
17a2ac68fbSChander Kashyap .size = sizeof(machine_param),
18a2ac68fbSChander Kashyap
19a2ac68fbSChander Kashyap .mem_iv_size = 0x1f,
20a2ac68fbSChander Kashyap .mem_type = DDR_MODE_DDR3,
21a2ac68fbSChander Kashyap
22a2ac68fbSChander Kashyap /*
23a2ac68fbSChander Kashyap * Set uboot_size to 0x100000 bytes.
24a2ac68fbSChander Kashyap *
25a2ac68fbSChander Kashyap * This is an overly conservative value chosen to accommodate all
26a2ac68fbSChander Kashyap * possible U-Boot image. You are advised to set this value to a
27a2ac68fbSChander Kashyap * smaller realistic size via scripts that modifies the .machine_param
28a2ac68fbSChander Kashyap * section of output U-Boot image.
29a2ac68fbSChander Kashyap */
30a2ac68fbSChander Kashyap .uboot_size = 0x100000,
31a2ac68fbSChander Kashyap
32a2ac68fbSChander Kashyap .boot_source = BOOT_MODE_OM,
33a2ac68fbSChander Kashyap .frequency_mhz = 800,
34a2ac68fbSChander Kashyap .arm_freq_mhz = 1000,
35a2ac68fbSChander Kashyap .serial_base = 0x12c30000,
36a2ac68fbSChander Kashyap .i2c_base = 0x12c60000,
37a2ac68fbSChander Kashyap .mem_manuf = MEM_MANUF_SAMSUNG,
38a2ac68fbSChander Kashyap };
39a2ac68fbSChander Kashyap
spl_get_machine_params(void)40a2ac68fbSChander Kashyap struct spl_machine_param *spl_get_machine_params(void)
41a2ac68fbSChander Kashyap {
42a2ac68fbSChander Kashyap if (machine_param.signature != SIGNATURE) {
43a2ac68fbSChander Kashyap /* Will hang if SIGNATURE dont match */
44a2ac68fbSChander Kashyap while (1)
45a2ac68fbSChander Kashyap ;
46a2ac68fbSChander Kashyap }
47a2ac68fbSChander Kashyap
48a2ac68fbSChander Kashyap return &machine_param;
49a2ac68fbSChander Kashyap }
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