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 #define CONFIG_SYS_ARCH_TIMER 21 22 /* 23 * malloc() pool size 24 */ 25 #define CONFIG_SYS_MALLOC_LEN SZ_32M 26 27 /* 28 * Configuration of the external SRAM memory used by U-Boot 29 */ 30 #define CONFIG_SYS_SDRAM_BASE STM32_DDR_BASE 31 #define CONFIG_SYS_INIT_SP_ADDR CONFIG_SYS_TEXT_BASE 32 33 #define CONFIG_NR_DRAM_BANKS 1 34 35 /* 36 * Console I/O buffer size 37 */ 38 #define CONFIG_SYS_CBSIZE SZ_1K 39 40 /* 41 * Needed by "loadb" 42 */ 43 #define CONFIG_SYS_LOAD_ADDR STM32_DDR_BASE 44 45 /* 46 * Env parameters 47 */ 48 #define CONFIG_ENV_SIZE SZ_4K 49 50 /* ATAGs */ 51 #define CONFIG_CMDLINE_TAG 52 #define CONFIG_SETUP_MEMORY_TAGS 53 #define CONFIG_INITRD_TAG 54 55 /* SPL support */ 56 #ifdef CONFIG_SPL 57 /* BOOTROM load address */ 58 #define CONFIG_SPL_TEXT_BASE 0x2FFC2500 59 /* SPL use DDR */ 60 #define CONFIG_SPL_BSS_START_ADDR 0xC0200000 61 #define CONFIG_SPL_BSS_MAX_SIZE 0x00100000 62 #define CONFIG_SYS_SPL_MALLOC_START 0xC0300000 63 #define CONFIG_SYS_SPL_MALLOC_SIZE 0x00100000 64 65 /* limit SYSRAM usage to first 128 KB */ 66 #define CONFIG_SPL_MAX_SIZE 0x00020000 67 #define CONFIG_SPL_STACK (STM32_SYSRAM_BASE + \ 68 STM32_SYSRAM_SIZE) 69 #endif /* #ifdef CONFIG_SPL */ 70 71 /*MMC SD*/ 72 #define CONFIG_SYS_MMC_MAX_DEVICE 3 73 #define CONFIG_SUPPORT_EMMC_BOOT 74 75 #if !defined(CONFIG_SPL) || !defined(CONFIG_SPL_BUILD) 76 77 #define BOOT_TARGET_DEVICES(func) \ 78 func(MMC, mmc, 1) \ 79 func(MMC, mmc, 0) \ 80 func(MMC, mmc, 2) 81 82 #include <config_distro_bootcmd.h> 83 84 #define STM32MP_PREBOOT \ 85 "echo \"Boot over ${boot_device}${boot_instance}!\"; " \ 86 "if test \"${boot_device}\" = \"mmc\"; then " \ 87 "env set boot_targets \"mmc${boot_instance}\"; "\ 88 "fi;" 89 90 #define CONFIG_EXTRA_ENV_SETTINGS \ 91 "scriptaddr=0xC0000000\0" \ 92 "pxefile_addr_r=0xC0000000\0" \ 93 "kernel_addr_r=0xC1000000\0" \ 94 "fdt_addr_r=0xC4000000\0" \ 95 "ramdisk_addr_r=0xC4100000\0" \ 96 "fdt_high=0xffffffff\0" \ 97 "initrd_high=0xffffffff\0" \ 98 "preboot=" STM32MP_PREBOOT "\0" \ 99 BOOTENV 100 101 #endif /* ifndef CONFIG_SPL_BUILD */ 102 103 #endif /* __CONFIG_H */ 104