1 /* SPDX-License-Identifier: GPL-2.0-or-later OR BSD-3-Clause */
2 /*
3  * Copyright (C) 2025, STMicroelectronics - All Rights Reserved
4  *
5  * Configuration settings for the STM32MP23x CPU
6  */
7 
8 #ifndef __CONFIG_STM32MP23_COMMMON_H
9 #define __CONFIG_STM32MP23_COMMMON_H
10 #include <linux/sizes.h>
11 #include <asm/arch/stm32.h>
12 
13 /*
14  * Configuration of the external SRAM memory used by U-Boot
15  */
16 #define CFG_SYS_SDRAM_BASE	STM32_DDR_BASE
17 
18 /*
19  * For booting Linux, use the first 256 MB of memory, since this is
20  * the maximum mapped by the Linux kernel during initialization.
21  */
22 #define CFG_SYS_BOOTMAPSZ		SZ_256M
23 
24 #define STM32MP_FIP_IMAGE_GUID \
25 	EFI_GUID(0x19d5df83, 0x11b0, 0x457b, 0xbe, 0x2c, \
26 		 0x75, 0x59, 0xc1, 0x31, 0x42, 0xa5)
27 
28 /*****************************************************************************/
29 #ifdef CONFIG_DISTRO_DEFAULTS
30 /*****************************************************************************/
31 
32 #ifdef CONFIG_NET
33 #define BOOT_TARGET_PXE(func)	func(PXE, pxe, na)
34 #else
35 #define BOOT_TARGET_PXE(func)
36 #endif
37 
38 #ifdef CONFIG_CMD_MMC
39 #define BOOT_TARGET_MMC0(func)	func(MMC, mmc, 0)
40 #define BOOT_TARGET_MMC1(func)	func(MMC, mmc, 1)
41 #define BOOT_TARGET_MMC2(func)	func(MMC, mmc, 2)
42 #else
43 #define BOOT_TARGET_MMC0(func)
44 #define BOOT_TARGET_MMC1(func)
45 #define BOOT_TARGET_MMC2(func)
46 #endif
47 
48 #ifdef CONFIG_CMD_UBIFS
49 #define BOOT_TARGET_UBIFS(func)	func(UBIFS, ubifs, 0, UBI, boot)
50 #else
51 #define BOOT_TARGET_UBIFS(func)
52 #endif
53 
54 #ifdef CONFIG_CMD_USB
55 #define BOOT_TARGET_USB(func)	func(USB, usb, 0)
56 #else
57 #define BOOT_TARGET_USB(func)
58 #endif
59 
60 #define BOOT_TARGET_DEVICES(func)	\
61 	BOOT_TARGET_MMC1(func)		\
62 	BOOT_TARGET_UBIFS(func)		\
63 	BOOT_TARGET_MMC0(func)		\
64 	BOOT_TARGET_MMC2(func)		\
65 	BOOT_TARGET_USB(func)		\
66 	BOOT_TARGET_PXE(func)
67 
68 /*
69  * default bootcmd for stm32mp23:
70  * for serial/usb: execute the stm32prog command
71  * for mmc boot (eMMC, SD card), distro boot on the same mmc device
72  * for NAND or SPI-NAND boot, distro boot with UBIFS on UBI partition
73  * for other boot, use the default distro order in ${boot_targets}
74  */
75 #define STM32MP_BOOTCMD "bootcmd_stm32mp=" \
76 	"echo \"Boot over ${boot_device}${boot_instance}!\";" \
77 	"if test ${boot_device} = serial || test ${boot_device} = usb;" \
78 	"then stm32prog ${boot_device} ${boot_instance}; " \
79 	"else " \
80 		"run env_check;" \
81 		"if test ${boot_device} = mmc;" \
82 		"then env set boot_targets \"mmc${boot_instance}\"; fi;" \
83 		"if test ${boot_device} = nand ||" \
84 		  " test ${boot_device} = spi-nand ;" \
85 		"then env set boot_targets ubifs0; fi;" \
86 		"run distro_bootcmd;" \
87 	"fi;\0"
88 
89 #ifndef STM32MP_BOARD_EXTRA_ENV
90 #define STM32MP_BOARD_EXTRA_ENV
91 #endif
92 
93 #define STM32MP_EXTRA \
94 	"env_check=if env info -p -d -q; then env save; fi\0" \
95 	"boot_net_usb_start=true\0"
96 /*
97  * memory layout for 96MB uncompressed/compressed kernel,
98  * 1M fdt, 1M script, 1M pxe and 1M for overlay
99  * and the ramdisk at the end.
100  */
101 #define __KERNEL_COMP_ADDR_R	__stringify(0x84000000)
102 #define __KERNEL_COMP_SIZE_R	__stringify(0x04000000)
103 #define __KERNEL_ADDR_R		__stringify(0x8a000000)
104 #define __FDT_ADDR_R		__stringify(0x90000000)
105 #define __SCRIPT_ADDR_R		__stringify(0x90100000)
106 #define __PXEFILE_ADDR_R	__stringify(0x90200000)
107 #define __FDTOVERLAY_ADDR_R	__stringify(0x90300000)
108 #define __RAMDISK_ADDR_R	__stringify(0x90400000)
109 
110 #define STM32MP_MEM_LAYOUT \
111 	"kernel_addr_r=" __KERNEL_ADDR_R "\0" \
112 	"fdt_addr_r=" __FDT_ADDR_R "\0" \
113 	"scriptaddr=" __SCRIPT_ADDR_R "\0" \
114 	"pxefile_addr_r=" __PXEFILE_ADDR_R "\0" \
115 	"fdtoverlay_addr_r=" __FDTOVERLAY_ADDR_R "\0" \
116 	"ramdisk_addr_r=" __RAMDISK_ADDR_R "\0" \
117 	"kernel_comp_addr_r=" __KERNEL_COMP_ADDR_R "\0"	\
118 	"kernel_comp_size=" __KERNEL_COMP_SIZE_R "\0"
119 
120 #include <config_distro_bootcmd.h>
121 #define CFG_EXTRA_ENV_SETTINGS \
122 	STM32MP_MEM_LAYOUT \
123 	STM32MP_BOOTCMD \
124 	BOOTENV \
125 	STM32MP_EXTRA \
126 	STM32MP_BOARD_EXTRA_ENV
127 
128 #endif
129 
130 #endif /* __CONFIG_STM32MP23_COMMMON_H */
131