2 * Common part of configuration settings for the AT91 SAMA5 board.
4 * Copyright (C) 2015 Atmel Corporation
5 * Josh Wu <josh.wu@atmel.com>
7 * SPDX-License-Identifier: GPL-2.0+
10 #ifndef __AT91_SAMA5_COMMON_H
11 #define __AT91_SAMA5_COMMON_H
13 #include <asm/hardware.h>
15 #define CONFIG_SYS_TEXT_BASE 0x26f00000
17 /* ARM asynchronous clock */
18 #define CONFIG_SYS_AT91_SLOW_CLOCK 32768
19 #define CONFIG_SYS_AT91_MAIN_CLOCK 12000000 /* from 12 MHz crystal */
21 #define CONFIG_ARCH_CPU_INIT
23 #ifndef CONFIG_SPL_BUILD
24 #define CONFIG_SKIP_LOWLEVEL_INIT
27 #define CONFIG_BOARD_EARLY_INIT_F
28 #define CONFIG_DISPLAY_CPUINFO
30 #define CONFIG_ENV_VARS_UBOOT_CONFIG
32 /* general purpose I/O */
33 #define CONFIG_AT91_GPIO
39 #define CONFIG_BOOTP_BOOTFILESIZE
40 #define CONFIG_BOOTP_BOOTPATH
41 #define CONFIG_BOOTP_GATEWAY
42 #define CONFIG_BOOTP_HOSTNAME
45 * Command line configuration.
48 #ifdef CONFIG_SYS_USE_MMC
50 #ifdef CONFIG_ENV_IS_IN_MMC
51 /* Use raw reserved sectors to save environment */
52 #define CONFIG_ENV_OFFSET 0x2000
53 #define CONFIG_ENV_SIZE 0x1000
54 #define CONFIG_SYS_MMC_ENV_DEV 0
56 /* u-boot env in sd/mmc card */
57 #define CONFIG_ENV_IS_IN_FAT
58 #define CONFIG_FAT_WRITE
59 #define FAT_ENV_INTERFACE "mmc"
60 #define FAT_ENV_DEVICE_AND_PART "0"
61 #define FAT_ENV_FILE "uboot.env"
62 #define CONFIG_ENV_SIZE 0x4000
65 #define CONFIG_BOOTCOMMAND "if test ! -n ${dtb_name}; then " \
66 "setenv dtb_name at91-${board_name}.dtb; " \
68 "fatload mmc 0:1 0x21000000 ${dtb_name}; " \
69 "fatload mmc 0:1 0x22000000 zImage; " \
70 "bootz 0x22000000 - 0x21000000"
71 #define CONFIG_BOOTARGS \
72 "console=ttyS0,115200 earlyprintk " \
73 "root=/dev/mmcblk0p2 rw rootwait"
75 #define CONFIG_BOOTARGS \
76 "console=ttyS0,115200 earlyprintk " \
77 "mtdparts=atmel_nand:256k(bootstrap)ro,512k(uboot)ro," \
78 "256K(env),256k(env_redundent),256k(spare)," \
79 "512k(dtb),6M(kernel)ro,-(rootfs) " \
80 "rootfstype=ubifs ubi.mtd=7 root=ubi0:rootfs"
82 #ifdef CONFIG_SYS_USE_NANDFLASH
83 /* u-boot env in nand flash */
84 #define CONFIG_ENV_IS_IN_NAND
85 #define CONFIG_ENV_OFFSET 0xc0000
86 #define CONFIG_ENV_OFFSET_REDUND 0x100000
87 #define CONFIG_ENV_SIZE 0x20000
88 #define CONFIG_BOOTCOMMAND "nand read 0x21000000 0x180000 0x80000;" \
89 "nand read 0x22000000 0x200000 0x600000;" \
90 "bootz 0x22000000 - 0x21000000"
91 #elif CONFIG_SYS_USE_SERIALFLASH
92 /* u-boot env in serial flash, by default is bus 0 and cs 0 */
93 #define CONFIG_ENV_IS_IN_SPI_FLASH
94 #define CONFIG_ENV_OFFSET 0x6000
95 #define CONFIG_ENV_SIZE 0x2000
96 #define CONFIG_ENV_SECT_SIZE 0x1000
97 #define CONFIG_BOOTCOMMAND "sf probe 0; " \
98 "sf read 0x21000000 0x60000 0xc000; " \
99 "sf read 0x22000000 0x6c000 0x394000; " \
100 "bootz 0x22000000 - 0x21000000"
105 #define CONFIG_BAUDRATE 115200
107 #define CONFIG_SYS_CBSIZE 256
108 #define CONFIG_SYS_MAXARGS 16
109 #define CONFIG_SYS_LONGHELP
110 #define CONFIG_CMDLINE_EDITING
111 #define CONFIG_AUTO_COMPLETE
113 /* Size of malloc() pool */
114 #define CONFIG_SYS_MALLOC_LEN (4 * 1024 * 1024)