1 /* SPDX-License-Identifier: GPL-2.0+ */
3 * Common part of configuration settings for the AT91 SAMA5 board.
5 * Copyright (C) 2015 Atmel Corporation
6 * Josh Wu <josh.wu@atmel.com>
9 #ifndef __AT91_SAMA5_COMMON_H
10 #define __AT91_SAMA5_COMMON_H
12 /* ARM asynchronous clock */
13 #define CONFIG_SYS_AT91_SLOW_CLOCK 32768
14 #define CONFIG_SYS_AT91_MAIN_CLOCK 12000000 /* from 12 MHz crystal */
16 #ifndef CONFIG_SPL_BUILD
17 #define CONFIG_SKIP_LOWLEVEL_INIT
20 /* general purpose I/O */
21 #ifndef CONFIG_DM_GPIO
22 #define CONFIG_AT91_GPIO
29 #define CONFIG_BOOTP_BOOTFILESIZE
32 * Command line configuration.
37 #ifdef CONFIG_ENV_IS_IN_MMC
38 /* Use raw reserved sectors to save environment */
39 #define CONFIG_ENV_OFFSET 0x2000
40 #define CONFIG_ENV_SIZE 0x1000
41 #define CONFIG_SYS_MMC_ENV_DEV 0
43 /* u-boot env in sd/mmc card */
44 #define CONFIG_ENV_SIZE 0x4000
47 #define CONFIG_BOOTCOMMAND "if test ! -n ${dtb_name}; then " \
48 "setenv dtb_name at91-${board_name}.dtb; " \
50 "fatload mmc 0:1 0x21000000 ${dtb_name}; " \
51 "fatload mmc 0:1 0x22000000 zImage; " \
52 "bootz 0x22000000 - 0x21000000"
56 #ifdef CONFIG_NAND_BOOT
57 /* u-boot env in nand flash */
58 #define CONFIG_ENV_OFFSET_REDUND 0x100000
59 #define CONFIG_BOOTCOMMAND "nand read 0x21000000 0x180000 0x80000;" \
60 "nand read 0x22000000 0x200000 0x600000;" \
61 "bootz 0x22000000 - 0x21000000"
63 /* u-boot env in serial flash, by default is bus 0 and cs 0 */
64 #define CONFIG_BOOTCOMMAND "sf probe 0; " \
65 "sf read 0x21000000 0x60000 0xc000; " \
66 "sf read 0x22000000 0x6c000 0x394000; " \
67 "bootz 0x22000000 - 0x21000000"
68 #elif CONFIG_QSPI_BOOT
69 #define CONFIG_ENV_OFFSET 0x140000
70 #define CONFIG_ENV_SIZE 0x20000
71 #define CONFIG_BOOTCOMMAND "sf probe 0; " \
72 "sf read 0x21000000 0x180000 0x80000; " \
73 "sf read 0x22000000 0x200000 0x600000; " \
74 "bootz 0x22000000 - 0x21000000"
79 /* Size of malloc() pool */
80 #define CONFIG_SYS_MALLOC_LEN (4 * 1024 * 1024)