blob: 24fa027034e7137cf3331da6edcecfbb6277ef14 [file] [log] [blame]
Wenyou Yangeebb0732017-09-13 14:58:54 +08001/*
2 * Configuration file for the SAMA5D27 SOM1 EK Board.
3 *
4 * Copyright (C) 2017 Microchip Corporation
5 * Wenyou Yang <wenyou.yang@microchip.com>
6 *
7 * SPDX-License-Identifier: GPL-2.0+
8 */
9
10#ifndef __CONFIG_H
11#define __CONFIG_H
12
13#include "at91-sama5_common.h"
14
Wenyou Yangeebb0732017-09-13 14:58:54 +080015#undef CONFIG_SYS_AT91_MAIN_CLOCK
Wenyou Yangeebb0732017-09-13 14:58:54 +080016#define CONFIG_SYS_AT91_MAIN_CLOCK 24000000 /* from 24 MHz crystal */
17
18#define CONFIG_MISC_INIT_R
19
20/* SDRAM */
21#define CONFIG_NR_DRAM_BANKS 1
22#define CONFIG_SYS_SDRAM_BASE 0x20000000
23#define CONFIG_SYS_SDRAM_SIZE 0x8000000
24
25#ifdef CONFIG_SPL_BUILD
26#define CONFIG_SYS_INIT_SP_ADDR 0x218000
27#else
28#define CONFIG_SYS_INIT_SP_ADDR \
29 (CONFIG_SYS_SDRAM_BASE + 16 * 1024 - GENERATED_GBL_DATA_SIZE)
30#endif
31
32#define CONFIG_SYS_LOAD_ADDR 0x22000000 /* load address */
33
34/* NAND flash */
35#undef CONFIG_CMD_NAND
36
37/* SPI flash */
38#define CONFIG_SF_DEFAULT_SPEED 66000000
39
40#undef CONFIG_BOOTCOMMAND
41#ifdef CONFIG_SD_BOOT
42/* u-boot env in sd/mmc card */
43#define FAT_ENV_INTERFACE "mmc"
44#define FAT_ENV_DEVICE_AND_PART "0"
45#define FAT_ENV_FILE "uboot.env"
46#define CONFIG_ENV_SIZE 0x4000
47/* bootstrap + u-boot + env in sd card */
48#define CONFIG_BOOTCOMMAND "fatload mmc 0:1 0x21000000 at91-sama5d27_som1_ek.dtb; " \
49 "fatload mmc 0:1 0x22000000 zImage; " \
50 "bootz 0x22000000 - 0x21000000"
51#undef CONFIG_BOOTARGS
52#define CONFIG_BOOTARGS \
53 "console=ttyS0,115200 earlyprintk root=/dev/mmcblk0p2 rw rootwait"
54#endif
55
56#ifdef CONFIG_QSPI_BOOT
57#define CONFIG_ENV_OFFSET 0xb0000
58#define CONFIG_ENV_SIZE 0x10000
59#define CONFIG_ENV_SECT_SIZE 0x10000
60#define CONFIG_BOOTCOMMAND "sf probe 0; " \
61 "sf read 0x21000000 0xc0000 0x20000; " \
62 "sf read 0x22000000 0xe0000 0x400000; " \
63 "bootz 0x22000000 - 0x21000000"
64#undef CONFIG_BOOTARGS
65#define CONFIG_BOOTARGS \
66 "console=ttyS0,115200 earlyprintk root=/dev/mmcblk0p2 rw rootwait"
67#endif
68
69/* SPL */
Wenyou Yangeebb0732017-09-13 14:58:54 +080070#define CONFIG_SPL_TEXT_BASE 0x200000
71#define CONFIG_SPL_MAX_SIZE 0x10000
72#define CONFIG_SPL_BSS_START_ADDR 0x20000000
73#define CONFIG_SPL_BSS_MAX_SIZE 0x80000
74#define CONFIG_SYS_SPL_MALLOC_START 0x20080000
75#define CONFIG_SYS_SPL_MALLOC_SIZE 0x80000
76
77#define CONFIG_SYS_MONITOR_LEN (512 << 10)
78
79#ifdef CONFIG_SD_BOOT
80#define CONFIG_SYS_MMCSD_FS_BOOT_PARTITION 1
81#define CONFIG_SPL_FS_LOAD_PAYLOAD_NAME "u-boot.img"
82#endif
83
84#ifdef CONFIG_QSPI_BOOT
85#define CONFIG_SPL_SPI_LOAD
86#define CONFIG_SYS_SPI_U_BOOT_OFFS 0x10000
87#endif
88
89#endif