1 /* SPDX-License-Identifier: GPL-2.0+ OR BSD-3-Clause */ 2 /* 3 * Copyright (C) 2018, STMicroelectronics - All Rights Reserved 4 * 5 * Configuration settings for the STM32MP15x CPU 6 */ 7 8 #ifndef __CONFIG_H 9 #define __CONFIG_H 10 #include <linux/sizes.h> 11 #include <asm/arch/stm32.h> 12 13 #define CONFIG_PREBOOT 14 15 /* 16 * Number of clock ticks in 1 sec 17 */ 18 #define CONFIG_SYS_HZ 1000 19 20 /* 21 * malloc() pool size 22 */ 23 #define CONFIG_SYS_MALLOC_LEN SZ_32M 24 25 /* 26 * Configuration of the external SRAM memory used by U-Boot 27 */ 28 #define CONFIG_SYS_SDRAM_BASE STM32_DDR_BASE 29 #define CONFIG_SYS_INIT_SP_ADDR CONFIG_SYS_TEXT_BASE 30 31 #define CONFIG_NR_DRAM_BANKS 1 32 33 /* 34 * Console I/O buffer size 35 */ 36 #define CONFIG_SYS_CBSIZE SZ_1K 37 38 /* 39 * Needed by "loadb" 40 */ 41 #define CONFIG_SYS_LOAD_ADDR STM32_DDR_BASE 42 43 /* 44 * Env parameters 45 */ 46 #define CONFIG_ENV_SIZE SZ_4K 47 48 /* ATAGs */ 49 #define CONFIG_CMDLINE_TAG 50 #define CONFIG_SETUP_MEMORY_TAGS 51 #define CONFIG_INITRD_TAG 52 53 /* SPL support */ 54 #ifdef CONFIG_SPL 55 /* BOOTROM load address */ 56 #define CONFIG_SPL_TEXT_BASE 0x2FFC2500 57 /* SPL use DDR */ 58 #define CONFIG_SPL_BSS_START_ADDR 0xC0200000 59 #define CONFIG_SPL_BSS_MAX_SIZE 0x00100000 60 #define CONFIG_SYS_SPL_MALLOC_START 0xC0300000 61 #define CONFIG_SYS_SPL_MALLOC_SIZE 0x00100000 62 63 /* limit SYSRAM usage to first 128 KB */ 64 #define CONFIG_SPL_MAX_SIZE 0x00020000 65 #define CONFIG_SPL_STACK (STM32_SYSRAM_BASE + \ 66 STM32_SYSRAM_SIZE) 67 #endif /* #ifdef CONFIG_SPL */ 68 69 /*MMC SD*/ 70 #define CONFIG_SYS_MMC_MAX_DEVICE 3 71 #define CONFIG_SUPPORT_EMMC_BOOT 72 73 #if !defined(CONFIG_SPL) || !defined(CONFIG_SPL_BUILD) 74 75 #define BOOT_TARGET_DEVICES(func) \ 76 func(MMC, mmc, 1) \ 77 func(MMC, mmc, 0) \ 78 func(MMC, mmc, 2) 79 80 #include <config_distro_bootcmd.h> 81 82 #define STM32MP_PREBOOT \ 83 "echo \"Boot over ${boot_device}${boot_instance}!\"; " \ 84 "if test \"${boot_device}\" = \"mmc\"; then " \ 85 "env set boot_targets \"mmc${boot_instance}\"; "\ 86 "fi;" 87 88 #define CONFIG_EXTRA_ENV_SETTINGS \ 89 "scriptaddr=0xC0000000\0" \ 90 "pxefile_addr_r=0xC0000000\0" \ 91 "kernel_addr_r=0xC1000000\0" \ 92 "fdt_addr_r=0xC4000000\0" \ 93 "ramdisk_addr_r=0xC4100000\0" \ 94 "fdt_high=0xffffffff\0" \ 95 "initrd_high=0xffffffff\0" \ 96 "preboot=" STM32MP_PREBOOT "\0" \ 97 BOOTENV 98 99 #endif /* ifndef CONFIG_SPL_BUILD */ 100 101 #endif /* __CONFIG_H */ 102