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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