1 /* SPDX-License-Identifier: GPL-2.0-or-later OR BSD-3-Clause */
3 * Copyright (C) 2022, STMicroelectronics - All Rights Reserved
5 * Configuration settings for the STM32MP13x CPU
8 #ifndef __CONFIG_STM32MP13_COMMMON_H
9 #define __CONFIG_STM32MP13_COMMMON_H
10 #include <linux/sizes.h>
11 #include <asm/arch/stm32.h>
14 * Configuration of the external SRAM memory used by U-Boot
16 #define CONFIG_SYS_SDRAM_BASE STM32_DDR_BASE
19 * For booting Linux, use the first 256 MB of memory, since this is
20 * the maximum mapped by the Linux kernel during initialization.
22 #define CONFIG_SYS_BOOTMAPSZ SZ_256M
24 /* Extend size of kernel image for uncompression */
25 #define CONFIG_SYS_BOOTM_LEN SZ_32M
28 #define CONFIG_SYS_MMC_MAX_DEVICE 2
31 #define CONFIG_SYS_MAX_NAND_DEVICE 1
33 /*****************************************************************************/
34 #ifdef CONFIG_DISTRO_DEFAULTS
35 /*****************************************************************************/
38 #define BOOT_TARGET_MMC0(func) func(MMC, mmc, 0)
39 #define BOOT_TARGET_MMC1(func) func(MMC, mmc, 1)
41 #define BOOT_TARGET_MMC0(func)
42 #define BOOT_TARGET_MMC1(func)
45 #define BOOT_TARGET_DEVICES(func) \
46 BOOT_TARGET_MMC1(func) \
47 BOOT_TARGET_MMC0(func)
50 * default bootcmd for stm32mp13:
51 * for mmc boot (eMMC, SD card), distro boot on the same mmc device
53 #define STM32MP_BOOTCMD "bootcmd_stm32mp=" \
54 "echo \"Boot over ${boot_device}${boot_instance}!\";" \
56 "if test ${boot_device} = mmc;" \
57 "then env set boot_targets \"mmc${boot_instance}\"; fi;" \
58 "run distro_bootcmd;" \
61 #define STM32MP_EXTRA \
62 "env_check=if env info -p -d -q; then env save; fi\0" \
63 "boot_net_usb_start=true\0"
65 #ifndef STM32MP_BOARD_EXTRA_ENV
66 #define STM32MP_BOARD_EXTRA_ENV
69 #include <config_distro_bootcmd.h>
72 * memory layout for 32M uncompressed/compressed kernel,
73 * 1M fdt, 1M script, 1M pxe and 1M for overlay
74 * and the ramdisk at the end.
76 #define __KERNEL_ADDR_R __stringify(0xc2000000)
77 #define __FDT_ADDR_R __stringify(0xc4000000)
78 #define __SCRIPT_ADDR_R __stringify(0xc4100000)
79 #define __PXEFILE_ADDR_R __stringify(0xc4200000)
80 #define __FDTOVERLAY_ADDR_R __stringify(0xc4300000)
81 #define __RAMDISK_ADDR_R __stringify(0xc4400000)
83 #define STM32MP_MEM_LAYOUT \
84 "kernel_addr_r=" __KERNEL_ADDR_R "\0" \
85 "fdt_addr_r=" __FDT_ADDR_R "\0" \
86 "scriptaddr=" __SCRIPT_ADDR_R "\0" \
87 "pxefile_addr_r=" __PXEFILE_ADDR_R "\0" \
88 "fdtoverlay_addr_r=" __FDTOVERLAY_ADDR_R "\0" \
89 "ramdisk_addr_r=" __RAMDISK_ADDR_R "\0"
91 #define CONFIG_EXTRA_ENV_SETTINGS \
96 STM32MP_BOARD_EXTRA_ENV
98 #endif /* ifdef CONFIG_DISTRO_DEFAULTS*/
100 #endif /* __CONFIG_STM32MP13_COMMMON_H */