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 /* PSCI support */ 21 #define CONFIG_ARMV7_PSCI_1_0 22 #define CONFIG_ARMV7_SECURE_BASE STM32_SYSRAM_BASE 23 #define CONFIG_ARMV7_SECURE_MAX_SIZE STM32_SYSRAM_SIZE 24 25 /* 26 * malloc() pool size 27 */ 28 #define CONFIG_SYS_MALLOC_LEN SZ_32M 29 30 /* 31 * Configuration of the external SRAM memory used by U-Boot 32 */ 33 #define CONFIG_SYS_SDRAM_BASE STM32_DDR_BASE 34 #define CONFIG_SYS_INIT_SP_ADDR CONFIG_SYS_TEXT_BASE 35 36 #define CONFIG_NR_DRAM_BANKS 1 37 38 /* 39 * Console I/O buffer size 40 */ 41 #define CONFIG_SYS_CBSIZE SZ_1K 42 43 /* 44 * Needed by "loadb" 45 */ 46 #define CONFIG_SYS_LOAD_ADDR STM32_DDR_BASE 47 48 /* 49 * Env parameters 50 */ 51 #define CONFIG_ENV_SIZE SZ_4K 52 53 /* ATAGs */ 54 #define CONFIG_CMDLINE_TAG 55 #define CONFIG_SETUP_MEMORY_TAGS 56 #define CONFIG_INITRD_TAG 57 58 /* SPL support */ 59 #ifdef CONFIG_SPL 60 /* BOOTROM load address */ 61 #define CONFIG_SPL_TEXT_BASE 0x2FFC2500 62 /* SPL use DDR */ 63 #define CONFIG_SPL_BSS_START_ADDR 0xC0200000 64 #define CONFIG_SPL_BSS_MAX_SIZE 0x00100000 65 #define CONFIG_SYS_SPL_MALLOC_START 0xC0300000 66 #define CONFIG_SYS_SPL_MALLOC_SIZE 0x00100000 67 68 /* limit SYSRAM usage to first 128 KB */ 69 #define CONFIG_SPL_MAX_SIZE 0x00020000 70 #define CONFIG_SPL_STACK (STM32_SYSRAM_BASE + \ 71 STM32_SYSRAM_SIZE) 72 #endif /* #ifdef CONFIG_SPL */ 73 74 /*MMC SD*/ 75 #define CONFIG_SYS_MMC_MAX_DEVICE 3 76 #define CONFIG_SUPPORT_EMMC_BOOT 77 78 #if !defined(CONFIG_SPL) || !defined(CONFIG_SPL_BUILD) 79 80 #define BOOT_TARGET_DEVICES(func) \ 81 func(MMC, mmc, 1) \ 82 func(MMC, mmc, 0) \ 83 func(MMC, mmc, 2) 84 85 #include <config_distro_bootcmd.h> 86 87 #define STM32MP_PREBOOT \ 88 "echo \"Boot over ${boot_device}${boot_instance}!\"; " \ 89 "if test \"${boot_device}\" = \"mmc\"; then " \ 90 "env set boot_targets \"mmc${boot_instance}\"; "\ 91 "fi;" 92 93 #define CONFIG_EXTRA_ENV_SETTINGS \ 94 "scriptaddr=0xC0000000\0" \ 95 "pxefile_addr_r=0xC0000000\0" \ 96 "kernel_addr_r=0xC1000000\0" \ 97 "fdt_addr_r=0xC4000000\0" \ 98 "ramdisk_addr_r=0xC4100000\0" \ 99 "fdt_high=0xffffffff\0" \ 100 "initrd_high=0xffffffff\0" \ 101 "preboot=" STM32MP_PREBOOT "\0" \ 102 BOOTENV 103 104 #endif /* ifndef CONFIG_SPL_BUILD */ 105 106 #endif /* __CONFIG_H */ 107