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Eugen Hristevf0854522018-07-06 11:15:10 +03001/* SPDX-License-Identifier: GPL-2.0+ */
2/*
3 * Configuration file for the SAMA5D2 ICP Board.
4 *
5 * Copyright (C) 2018 Microchip Corporation
6 * Eugen Hristev <eugen.hristev@microchip.com>
7 */
8
9#ifndef __CONFIG_H
10#define __CONFIG_H
11
12#include "at91-sama5_common.h"
13
14#undef CONFIG_SYS_AT91_MAIN_CLOCK
15#define CONFIG_SYS_AT91_MAIN_CLOCK 12000000 /* from 12 MHz crystal */
16
17#define CONFIG_MISC_INIT_R
18
19/* SDRAM */
20#define CONFIG_SYS_SDRAM_BASE 0x20000000
21#define CONFIG_SYS_SDRAM_SIZE 0x20000000
22
23#ifdef CONFIG_SPL_BUILD
24#define CONFIG_SYS_INIT_SP_ADDR 0x218000
25#else
26#define CONFIG_SYS_INIT_SP_ADDR \
27 (CONFIG_SYS_SDRAM_BASE + 16 * 1024 - GENERATED_GBL_DATA_SIZE)
28#endif
29
30#define CONFIG_SYS_LOAD_ADDR 0x22000000 /* load address */
31
32/* NAND flash */
33#undef CONFIG_CMD_NAND
34
35/* SPI flash */
36#define CONFIG_SF_DEFAULT_SPEED 66000000
37
38#undef CONFIG_BOOTCOMMAND
39#ifdef CONFIG_SD_BOOT
40/* u-boot env in sd/mmc card */
41#define FAT_ENV_INTERFACE "mmc"
42#define FAT_ENV_DEVICE_AND_PART "0"
43#define FAT_ENV_FILE "uboot.env"
44#define CONFIG_ENV_SIZE 0x4000
45/* bootstrap + u-boot + env in sd card */
46#define CONFIG_BOOTCOMMAND "fatload mmc 0:1 0x21000000 at91-sama5d2_icp.dtb; " \
47 "fatload mmc 0:1 0x22000000 zImage; " \
48 "bootz 0x22000000 - 0x21000000"
49#undef CONFIG_BOOTARGS
50#define CONFIG_BOOTARGS \
51 "console=ttyS0,115200 earlyprintk root=/dev/mmcblk0p2 rw rootwait"
52#endif
53
54/* SPL */
Eugen Hristevf0854522018-07-06 11:15:10 +030055#define CONFIG_SPL_MAX_SIZE 0x10000
56#define CONFIG_SPL_BSS_START_ADDR 0x20000000
57#define CONFIG_SPL_BSS_MAX_SIZE 0x80000
58#define CONFIG_SYS_SPL_MALLOC_START 0x20080000
59#define CONFIG_SYS_SPL_MALLOC_SIZE 0x80000
60
61#define CONFIG_SYS_MONITOR_LEN (512 << 10)
62
63#ifdef CONFIG_SD_BOOT
64#define CONFIG_SYS_MMCSD_FS_BOOT_PARTITION 1
65#define CONFIG_SPL_FS_LOAD_PAYLOAD_NAME "u-boot.img"
66#endif
67
68#endif