1*4882a593Smuzhiyun /*
2*4882a593Smuzhiyun * Copyright (C) 2013 The Chromium OS Authors.
3*4882a593Smuzhiyun *
4*4882a593Smuzhiyun * SPDX-License-Identifier: GPL-2.0+
5*4882a593Smuzhiyun */
6*4882a593Smuzhiyun
7*4882a593Smuzhiyun #include <common.h>
8*4882a593Smuzhiyun #include <asm/arch/cpu.h>
9*4882a593Smuzhiyun #include <asm/arch/spl.h>
10*4882a593Smuzhiyun #include <asm/arch/clk.h>
11*4882a593Smuzhiyun
12*4882a593Smuzhiyun #define SIGNATURE 0xdeadbeef
13*4882a593Smuzhiyun
14*4882a593Smuzhiyun /* Parameters of early board initialization in SPL */
15*4882a593Smuzhiyun static struct spl_machine_param machine_param
16*4882a593Smuzhiyun __attribute__((section(".machine_param"))) = {
17*4882a593Smuzhiyun .signature = SIGNATURE,
18*4882a593Smuzhiyun .version = 1,
19*4882a593Smuzhiyun .params = "vmubfasirM",
20*4882a593Smuzhiyun .size = sizeof(machine_param),
21*4882a593Smuzhiyun
22*4882a593Smuzhiyun .mem_iv_size = 0x1f,
23*4882a593Smuzhiyun .mem_type = DDR_MODE_DDR3,
24*4882a593Smuzhiyun
25*4882a593Smuzhiyun /*
26*4882a593Smuzhiyun * Set uboot_size to 0x100000 bytes.
27*4882a593Smuzhiyun *
28*4882a593Smuzhiyun * This is an overly conservative value chosen to accommodate all
29*4882a593Smuzhiyun * possible U-Boot image. You are advised to set this value to a
30*4882a593Smuzhiyun * smaller realistic size via scripts that modifies the .machine_param
31*4882a593Smuzhiyun * section of output U-Boot image.
32*4882a593Smuzhiyun */
33*4882a593Smuzhiyun .uboot_size = 0x100000,
34*4882a593Smuzhiyun
35*4882a593Smuzhiyun .boot_source = BOOT_MODE_OM,
36*4882a593Smuzhiyun .frequency_mhz = 800,
37*4882a593Smuzhiyun .arm_freq_mhz = 900,
38*4882a593Smuzhiyun .serial_base = 0x12c30000,
39*4882a593Smuzhiyun .i2c_base = 0x12c60000,
40*4882a593Smuzhiyun .mem_manuf = MEM_MANUF_SAMSUNG,
41*4882a593Smuzhiyun };
42*4882a593Smuzhiyun
spl_get_machine_params(void)43*4882a593Smuzhiyun struct spl_machine_param *spl_get_machine_params(void)
44*4882a593Smuzhiyun {
45*4882a593Smuzhiyun if (machine_param.signature != SIGNATURE) {
46*4882a593Smuzhiyun /* Will hang if SIGNATURE dont match */
47*4882a593Smuzhiyun while (1)
48*4882a593Smuzhiyun ;
49*4882a593Smuzhiyun }
50*4882a593Smuzhiyun
51*4882a593Smuzhiyun return &machine_param;
52*4882a593Smuzhiyun }
53