1 /* SPDX-License-Identifier: GPL-2.0+ OR BSD-3-Clause */
3 * Copyright (C) 2018, STMicroelectronics - All Rights Reserved
5 * Configuration settings for the STM32MP15x CPU
10 #include <linux/sizes.h>
11 #include <asm/arch/stm32.h>
14 * Number of clock ticks in 1 sec
16 #define CONFIG_SYS_HZ 1000
18 #ifndef CONFIG_STM32MP1_TRUSTED
20 #define CONFIG_ARMV7_PSCI_1_0
21 #define CONFIG_ARMV7_SECURE_BASE STM32_SYSRAM_BASE
22 #define CONFIG_ARMV7_SECURE_MAX_SIZE STM32_SYSRAM_SIZE
26 * Configuration of the external SRAM memory used by U-Boot
28 #define CONFIG_SYS_SDRAM_BASE STM32_DDR_BASE
29 #define CONFIG_SYS_INIT_SP_ADDR CONFIG_SYS_TEXT_BASE
32 * Console I/O buffer size
34 #define CONFIG_SYS_CBSIZE SZ_1K
39 #define CONFIG_SYS_LOAD_ADDR STM32_DDR_BASE
44 #define CONFIG_ENV_SIZE SZ_4K
47 #define CONFIG_CMDLINE_TAG
48 #define CONFIG_SETUP_MEMORY_TAGS
49 #define CONFIG_INITRD_TAG
51 /* Extend size of kernel image for uncompression */
52 #define CONFIG_SYS_BOOTM_LEN SZ_32M
56 /* BOOTROM load address */
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
63 /* limit SYSRAM usage to first 128 KB */
64 #define CONFIG_SPL_MAX_SIZE 0x00020000
65 #define CONFIG_SPL_STACK (STM32_SYSRAM_BASE + \
67 #endif /* #ifdef CONFIG_SPL */
69 #define CONFIG_SYS_MEMTEST_START STM32_DDR_BASE
70 #define CONFIG_SYS_MEMTEST_END (CONFIG_SYS_MEMTEST_START + SZ_64M)
71 #define CONFIG_SYS_MEMTEST_SCRATCH (CONFIG_SYS_MEMTEST_END + 4)
74 #define CONFIG_SYS_MMC_MAX_DEVICE 3
76 /*****************************************************************************/
77 #ifdef CONFIG_DISTRO_DEFAULTS
78 /*****************************************************************************/
80 #if !defined(CONFIG_SPL_BUILD)
82 #define BOOT_TARGET_DEVICES(func) \
87 * bootcmd for stm32mp1:
88 * for serial/usb: execute the stm32prog command
89 * for mmc boot (eMMC, SD card), boot only on the same device
90 * for nand boot, boot with on ubifs partition on nand
91 * for nor boot, use the default order
93 #define CONFIG_PREBOOT
95 #define STM32MP_BOOTCMD "bootcmd_stm32mp=" \
96 "echo \"Boot over ${boot_device}${boot_instance}!\";" \
97 "if test ${boot_device} = serial || test ${boot_device} = usb;" \
98 "then stm32prog ${boot_device} ${boot_instance}; " \
100 "if test ${boot_device} = mmc;" \
101 "then env set boot_targets \"mmc${boot_instance}\"; fi;" \
102 "if test ${boot_device} = nand;" \
103 "then env set boot_targets ubifs0; fi;" \
104 "run distro_bootcmd;" \
107 #include <config_distro_bootcmd.h>
110 * memory layout for 32M uncompressed/compressed kernel,
111 * 1M fdt, 1M script, 1M pxe and 1M for splashimage
112 * and the ramdisk at the end.
114 #define CONFIG_EXTRA_ENV_SETTINGS \
115 "kernel_addr_r=0xc2000000\0" \
116 "fdt_addr_r=0xc4000000\0" \
117 "scriptaddr=0xc4100000\0" \
118 "pxefile_addr_r=0xc4200000\0" \
119 "splashimage=0xc4300000\0" \
120 "ramdisk_addr_r=0xc4400000\0" \
121 "fdt_high=0xffffffff\0" \
122 "initrd_high=0xffffffff\0" \
126 #endif /* ifndef CONFIG_SPL_BUILD */
127 #endif /* ifdef CONFIG_DISTRO_DEFAULTS*/
129 #endif /* __CONFIG_H */