1 /* 2 * Copyright (C) 2018, STMicroelectronics - All Rights Reserved 3 * 4 * Configuration settings for the STM32MP15x CPU 5 * 6 * SPDX-License-Identifier: GPL-2.0+ BSD-3-Clause 7 */ 8 9 #ifndef __CONFIG_H 10 #define __CONFIG_H 11 #include <linux/sizes.h> 12 #include <asm/arch/stm32.h> 13 14 #define CONFIG_PREBOOT 15 16 /* 17 * Number of clock ticks in 1 sec 18 */ 19 #define CONFIG_SYS_HZ 1000 20 21 /* 22 * malloc() pool size 23 */ 24 #define CONFIG_SYS_MALLOC_LEN SZ_32M 25 26 /* 27 * Configuration of the external SRAM memory used by U-Boot 28 */ 29 #define CONFIG_SYS_SDRAM_BASE STM32_DDR_BASE 30 #define CONFIG_SYS_INIT_SP_ADDR CONFIG_SYS_TEXT_BASE 31 32 #define CONFIG_NR_DRAM_BANKS 1 33 34 /* 35 * Console I/O buffer size 36 */ 37 #define CONFIG_SYS_CBSIZE SZ_1K 38 39 /* 40 * Needed by "loadb" 41 */ 42 #define CONFIG_SYS_LOAD_ADDR STM32_DDR_BASE 43 44 /* 45 * Env parameters 46 */ 47 #define CONFIG_ENV_SIZE SZ_4K 48 49 /* ATAGs */ 50 #define CONFIG_CMDLINE_TAG 51 #define CONFIG_SETUP_MEMORY_TAGS 52 #define CONFIG_INITRD_TAG 53 54 /* SPL support */ 55 #ifdef CONFIG_SPL 56 /* BOOTROM load address */ 57 #define CONFIG_SPL_TEXT_BASE 0x2FFC2500 58 /* SPL use DDR */ 59 #define CONFIG_SPL_BSS_START_ADDR 0xC0200000 60 #define CONFIG_SPL_BSS_MAX_SIZE 0x00100000 61 #define CONFIG_SYS_SPL_MALLOC_START 0xC0300000 62 #define CONFIG_SYS_SPL_MALLOC_SIZE 0x00100000 63 64 /* limit SYSRAM usage to first 128 KB */ 65 #define CONFIG_SPL_MAX_SIZE 0x00020000 66 #define CONFIG_SPL_STACK (STM32_SYSRAM_BASE + \ 67 STM32_SYSRAM_SIZE) 68 #endif /* #ifdef CONFIG_SPL */ 69 70 /*MMC SD*/ 71 #define CONFIG_SYS_MMC_MAX_DEVICE 3 72 #define CONFIG_SUPPORT_EMMC_BOOT 73 74 #if !defined(CONFIG_SPL) || !defined(CONFIG_SPL_BUILD) 75 76 #define BOOT_TARGET_DEVICES(func) \ 77 func(MMC, mmc, 1) \ 78 func(MMC, mmc, 0) \ 79 func(MMC, mmc, 2) 80 81 #include <config_distro_bootcmd.h> 82 83 #define STM32MP_PREBOOT \ 84 "echo \"Boot over ${boot_device}${boot_instance}!\"; " \ 85 "if test \"${boot_device}\" = \"mmc\"; then " \ 86 "env set boot_targets \"mmc${boot_instance}\"; "\ 87 "fi;" 88 89 #define CONFIG_EXTRA_ENV_SETTINGS \ 90 "scriptaddr=0xC0000000\0" \ 91 "pxefile_addr_r=0xC0000000\0" \ 92 "kernel_addr_r=0xC1000000\0" \ 93 "fdt_addr_r=0xC4000000\0" \ 94 "ramdisk_addr_r=0xC4100000\0" \ 95 "fdt_high=0xffffffff\0" \ 96 "initrd_high=0xffffffff\0" \ 97 "preboot=" STM32MP_PREBOOT "\0" \ 98 BOOTENV 99 100 #endif /* ifndef CONFIG_SPL_BUILD */ 101 102 #endif /* __CONFIG_H */ 103