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Wu, Josh42587542015-03-30 14:51:19 +08001/*
2 * Common part of configuration settings for the AT91 SAMA5 board.
3 *
4 * Copyright (C) 2015 Atmel Corporation
5 * Josh Wu <josh.wu@atmel.com>
6 *
7 * SPDX-License-Identifier: GPL-2.0+
8 */
9
10#ifndef __AT91_SAMA5_COMMON_H
11#define __AT91_SAMA5_COMMON_H
12
13#include <asm/hardware.h>
14
15#define CONFIG_SYS_TEXT_BASE 0x26f00000
16
17/* ARM asynchronous clock */
18#define CONFIG_SYS_AT91_SLOW_CLOCK 32768
19#define CONFIG_SYS_AT91_MAIN_CLOCK 12000000 /* from 12 MHz crystal */
20
21#define CONFIG_ARCH_CPU_INIT
22
23#ifndef CONFIG_SPL_BUILD
24#define CONFIG_SKIP_LOWLEVEL_INIT
25#endif
26
27#define CONFIG_BOARD_EARLY_INIT_F
Wu, Josh42587542015-03-30 14:51:19 +080028
Wu, Josh8b9c7512015-08-19 19:11:18 +080029#define CONFIG_ENV_VARS_UBOOT_CONFIG
Wu, Josh42587542015-03-30 14:51:19 +080030
31/* general purpose I/O */
32#define CONFIG_AT91_GPIO
33
Wu, Josh42587542015-03-30 14:51:19 +080034
35/*
36 * BOOTP options
37 */
38#define CONFIG_BOOTP_BOOTFILESIZE
39#define CONFIG_BOOTP_BOOTPATH
40#define CONFIG_BOOTP_GATEWAY
41#define CONFIG_BOOTP_HOSTNAME
42
43/*
44 * Command line configuration.
45 */
Wu, Josh42587542015-03-30 14:51:19 +080046
47#ifdef CONFIG_SYS_USE_MMC
Josh Wu36b68932015-09-16 11:34:14 +080048
49#ifdef CONFIG_ENV_IS_IN_MMC
50/* Use raw reserved sectors to save environment */
51#define CONFIG_ENV_OFFSET 0x2000
52#define CONFIG_ENV_SIZE 0x1000
53#define CONFIG_SYS_MMC_ENV_DEV 0
54#else
Wu, Josh8b9c7512015-08-19 19:11:18 +080055/* u-boot env in sd/mmc card */
56#define CONFIG_ENV_IS_IN_FAT
57#define CONFIG_FAT_WRITE
58#define FAT_ENV_INTERFACE "mmc"
59#define FAT_ENV_DEVICE_AND_PART "0"
60#define FAT_ENV_FILE "uboot.env"
61#define CONFIG_ENV_SIZE 0x4000
Josh Wu36b68932015-09-16 11:34:14 +080062#endif
Wu, Josh8b9c7512015-08-19 19:11:18 +080063
Wu, Josh3c0c6602015-08-19 19:11:19 +080064#define CONFIG_BOOTCOMMAND "if test ! -n ${dtb_name}; then " \
65 "setenv dtb_name at91-${board_name}.dtb; " \
66 "fi; " \
67 "fatload mmc 0:1 0x21000000 ${dtb_name}; " \
Wu, Josh8b9c7512015-08-19 19:11:18 +080068 "fatload mmc 0:1 0x22000000 zImage; " \
69 "bootz 0x22000000 - 0x21000000"
Wu, Josh42587542015-03-30 14:51:19 +080070#define CONFIG_BOOTARGS \
71 "console=ttyS0,115200 earlyprintk " \
72 "root=/dev/mmcblk0p2 rw rootwait"
73#else
74#define CONFIG_BOOTARGS \
75 "console=ttyS0,115200 earlyprintk " \
76 "mtdparts=atmel_nand:256k(bootstrap)ro,512k(uboot)ro," \
Robert P. J. Daya7e1f502016-09-01 09:49:14 -040077 "256K(env),256k(env_redundant),256k(spare)," \
Wu, Josh42587542015-03-30 14:51:19 +080078 "512k(dtb),6M(kernel)ro,-(rootfs) " \
79 "rootfstype=ubifs ubi.mtd=7 root=ubi0:rootfs"
Wu, Josh244caf02015-08-19 19:11:20 +080080
81#ifdef CONFIG_SYS_USE_NANDFLASH
82/* u-boot env in nand flash */
83#define CONFIG_ENV_IS_IN_NAND
84#define CONFIG_ENV_OFFSET 0xc0000
85#define CONFIG_ENV_OFFSET_REDUND 0x100000
86#define CONFIG_ENV_SIZE 0x20000
87#define CONFIG_BOOTCOMMAND "nand read 0x21000000 0x180000 0x80000;" \
88 "nand read 0x22000000 0x200000 0x600000;" \
89 "bootz 0x22000000 - 0x21000000"
Wu, Josh12e84412015-08-19 19:11:21 +080090#elif CONFIG_SYS_USE_SERIALFLASH
91/* u-boot env in serial flash, by default is bus 0 and cs 0 */
92#define CONFIG_ENV_IS_IN_SPI_FLASH
Josh Wu38e290f2015-10-27 13:31:33 +080093#define CONFIG_ENV_OFFSET 0x6000
94#define CONFIG_ENV_SIZE 0x2000
Wu, Josh12e84412015-08-19 19:11:21 +080095#define CONFIG_ENV_SECT_SIZE 0x1000
96#define CONFIG_BOOTCOMMAND "sf probe 0; " \
97 "sf read 0x21000000 0x60000 0xc000; " \
98 "sf read 0x22000000 0x6c000 0x394000; " \
99 "bootz 0x22000000 - 0x21000000"
Wu, Josh244caf02015-08-19 19:11:20 +0800100#endif
101
Wu, Josh42587542015-03-30 14:51:19 +0800102#endif
103
104#define CONFIG_BAUDRATE 115200
105
Wu, Josh42587542015-03-30 14:51:19 +0800106#define CONFIG_SYS_CBSIZE 256
107#define CONFIG_SYS_MAXARGS 16
Wu, Josh42587542015-03-30 14:51:19 +0800108#define CONFIG_SYS_LONGHELP
109#define CONFIG_CMDLINE_EDITING
110#define CONFIG_AUTO_COMPLETE
Wu, Josh42587542015-03-30 14:51:19 +0800111
112/* Size of malloc() pool */
113#define CONFIG_SYS_MALLOC_LEN (4 * 1024 * 1024)
114
115#endif