2 * Copyright (C) 2018, STMicroelectronics - All Rights Reserved
4 * Configuration settings for the STM32MP15x CPU
6 * SPDX-License-Identifier: GPL-2.0+ BSD-3-Clause
11 #include <linux/sizes.h>
12 #include <asm/arch/stm32.h>
14 #define CONFIG_PREBOOT
17 * Number of clock ticks in 1 sec
19 #define CONFIG_SYS_HZ 1000
20 #define CONFIG_SYS_ARCH_TIMER
25 #define CONFIG_SYS_MALLOC_LEN SZ_32M
28 * Configuration of the external SRAM memory used by U-Boot
30 #define CONFIG_SYS_SDRAM_BASE STM32_DDR_BASE
31 #define CONFIG_SYS_INIT_SP_ADDR CONFIG_SYS_TEXT_BASE
33 #define CONFIG_NR_DRAM_BANKS 1
36 * Console I/O buffer size
38 #define CONFIG_SYS_CBSIZE SZ_1K
43 #define CONFIG_SYS_LOAD_ADDR STM32_DDR_BASE
48 #define CONFIG_ENV_SIZE SZ_4K
51 #define CONFIG_CMDLINE_TAG
52 #define CONFIG_SETUP_MEMORY_TAGS
53 #define CONFIG_INITRD_TAG
57 /* BOOTROM load address */
58 #define CONFIG_SPL_TEXT_BASE 0x2FFC2500
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
65 /* limit SYSRAM usage to first 128 KB */
66 #define CONFIG_SPL_MAX_SIZE 0x00020000
67 #define CONFIG_SPL_STACK (STM32_SYSRAM_BASE + \
69 #endif /* #ifdef CONFIG_SPL */
72 #define CONFIG_SYS_MMC_MAX_DEVICE 3
73 #define CONFIG_SUPPORT_EMMC_BOOT
75 #if !defined(CONFIG_SPL) || !defined(CONFIG_SPL_BUILD)
77 #define BOOT_TARGET_DEVICES(func) \
82 #include <config_distro_bootcmd.h>
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}\"; "\
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" \
101 #endif /* ifndef CONFIG_SPL_BUILD */
103 #endif /* __CONFIG_H */