| Googler | 0bcd236 | 2023-05-09 16:45:27 +0800 | [diff] [blame^] | 1 | /* SPDX-License-Identifier: GPL-2.0+ */ |
| 2 | /* |
| 3 | * Common part of configuration settings for the AT91 SAMA5 board. |
| 4 | * |
| 5 | * Copyright (C) 2015 Atmel Corporation |
| 6 | * Josh Wu <josh.wu@atmel.com> |
| 7 | */ |
| 8 | |
| 9 | #ifndef __AT91_SAMA5_COMMON_H |
| 10 | #define __AT91_SAMA5_COMMON_H |
| 11 | |
| 12 | /* ARM asynchronous clock */ |
| 13 | #define CONFIG_SYS_AT91_SLOW_CLOCK 32768 |
| 14 | #define CONFIG_SYS_AT91_MAIN_CLOCK 12000000 /* from 12 MHz crystal */ |
| 15 | |
| 16 | #define CONFIG_ARCH_CPU_INIT |
| 17 | |
| 18 | #ifndef CONFIG_SPL_BUILD |
| 19 | #define CONFIG_SKIP_LOWLEVEL_INIT |
| 20 | #endif |
| 21 | |
| 22 | /* general purpose I/O */ |
| 23 | #ifndef CONFIG_DM_GPIO |
| 24 | #define CONFIG_AT91_GPIO |
| 25 | #endif |
| 26 | |
| 27 | |
| 28 | /* |
| 29 | * BOOTP options |
| 30 | */ |
| 31 | #define CONFIG_BOOTP_BOOTFILESIZE |
| 32 | |
| 33 | /* |
| 34 | * Command line configuration. |
| 35 | */ |
| 36 | |
| 37 | #ifdef CONFIG_SD_BOOT |
| 38 | |
| 39 | #ifdef CONFIG_ENV_IS_IN_MMC |
| 40 | /* Use raw reserved sectors to save environment */ |
| 41 | #define CONFIG_ENV_OFFSET 0x2000 |
| 42 | #define CONFIG_ENV_SIZE 0x1000 |
| 43 | #define CONFIG_SYS_MMC_ENV_DEV 0 |
| 44 | #else |
| 45 | /* u-boot env in sd/mmc card */ |
| 46 | #define CONFIG_ENV_SIZE 0x4000 |
| 47 | #endif |
| 48 | |
| 49 | #define CONFIG_BOOTCOMMAND "if test ! -n ${dtb_name}; then " \ |
| 50 | "setenv dtb_name at91-${board_name}.dtb; " \ |
| 51 | "fi; " \ |
| 52 | "fatload mmc 0:1 0x21000000 ${dtb_name}; " \ |
| 53 | "fatload mmc 0:1 0x22000000 zImage; " \ |
| 54 | "bootz 0x22000000 - 0x21000000" |
| 55 | |
| 56 | #else |
| 57 | |
| 58 | #ifdef CONFIG_NAND_BOOT |
| 59 | /* u-boot env in nand flash */ |
| 60 | #define CONFIG_ENV_OFFSET 0x140000 |
| 61 | #define CONFIG_ENV_OFFSET_REDUND 0x100000 |
| 62 | #define CONFIG_ENV_SIZE 0x20000 |
| 63 | #define CONFIG_BOOTCOMMAND "nand read 0x21000000 0x180000 0x80000;" \ |
| 64 | "nand read 0x22000000 0x200000 0x600000;" \ |
| 65 | "bootz 0x22000000 - 0x21000000" |
| 66 | #elif CONFIG_SPI_BOOT |
| 67 | /* u-boot env in serial flash, by default is bus 0 and cs 0 */ |
| 68 | #define CONFIG_ENV_OFFSET 0x6000 |
| 69 | #define CONFIG_ENV_SIZE 0x2000 |
| 70 | #define CONFIG_ENV_SECT_SIZE 0x1000 |
| 71 | #define CONFIG_BOOTCOMMAND "sf probe 0; " \ |
| 72 | "sf read 0x21000000 0x60000 0xc000; " \ |
| 73 | "sf read 0x22000000 0x6c000 0x394000; " \ |
| 74 | "bootz 0x22000000 - 0x21000000" |
| 75 | #endif |
| 76 | |
| 77 | #endif |
| 78 | |
| 79 | /* Size of malloc() pool */ |
| 80 | #define CONFIG_SYS_MALLOC_LEN (4 * 1024 * 1024) |
| 81 | |
| 82 | #endif |
