1 /* SPDX-License-Identifier: GPL-2.0-or-later OR BSD-3-Clause */
2 /*
3  * Copyright (C) 2023, STMicroelectronics - All Rights Reserved
4  *
5  * Configuration settings for the STM32MP25x CPU
6  */
7 
8 #ifndef __CONFIG_STM32MP25_COMMMON_H
9 #define __CONFIG_STM32MP25_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 /*****************************************************************************/
25 #ifdef CONFIG_DISTRO_DEFAULTS
26 /*****************************************************************************/
27 
28 #ifdef CONFIG_NET
29 #define BOOT_TARGET_PXE(func)	func(PXE, pxe, na)
30 #else
31 #define BOOT_TARGET_PXE(func)
32 #endif
33 
34 #ifdef CONFIG_CMD_MMC
35 #define BOOT_TARGET_MMC0(func)	func(MMC, mmc, 0)
36 #define BOOT_TARGET_MMC1(func)	func(MMC, mmc, 1)
37 #define BOOT_TARGET_MMC2(func)	func(MMC, mmc, 2)
38 #else
39 #define BOOT_TARGET_MMC0(func)
40 #define BOOT_TARGET_MMC1(func)
41 #define BOOT_TARGET_MMC2(func)
42 #endif
43 
44 #ifdef CONFIG_CMD_UBIFS
45 #define BOOT_TARGET_UBIFS(func)	func(UBIFS, ubifs, 0, UBI, boot)
46 #else
47 #define BOOT_TARGET_UBIFS(func)
48 #endif
49 
50 #ifdef CONFIG_CMD_USB
51 #define BOOT_TARGET_USB(func)	func(USB, usb, 0)
52 #else
53 #define BOOT_TARGET_USB(func)
54 #endif
55 
56 #define BOOT_TARGET_DEVICES(func)	\
57 	BOOT_TARGET_MMC1(func)		\
58 	BOOT_TARGET_UBIFS(func)		\
59 	BOOT_TARGET_MMC0(func)		\
60 	BOOT_TARGET_MMC2(func)		\
61 	BOOT_TARGET_USB(func)		\
62 	BOOT_TARGET_PXE(func)
63 
64 /*
65  * default bootcmd for stm32mp25:
66  * for serial/usb: execute the stm32prog command
67  * for mmc boot (eMMC, SD card), distro boot on the same mmc device
68  * for NAND or SPI-NAND boot, distro boot with UBIFS on UBI partition
69  * for other boot, use the default distro order in ${boot_targets}
70  */
71 #define STM32MP_BOOTCMD "bootcmd_stm32mp=" \
72 	"echo \"Boot over ${boot_device}${boot_instance}!\";" \
73 	"if test ${boot_device} = serial || test ${boot_device} = usb;" \
74 	"then stm32prog ${boot_device} ${boot_instance}; " \
75 	"else " \
76 		"run env_check;" \
77 		"if test ${boot_device} = mmc;" \
78 		"then env set boot_targets \"mmc${boot_instance}\"; fi;" \
79 		"if test ${boot_device} = nand ||" \
80 		  " test ${boot_device} = spi-nand ;" \
81 		"then env set boot_targets ubifs0; fi;" \
82 		"run distro_bootcmd;" \
83 	"fi;\0"
84 
85 #ifndef STM32MP_BOARD_EXTRA_ENV
86 #define STM32MP_BOARD_EXTRA_ENV
87 #endif
88 
89 #define STM32MP_EXTRA \
90 	"env_check=if env info -p -d -q; then env save; fi\0" \
91 	"boot_net_usb_start=true\0"
92 /*
93  * memory layout for 96MB uncompressed/compressed kernel,
94  * 1M fdt, 1M script, 1M pxe and 1M for overlay
95  * and the ramdisk at the end.
96  */
97 #define __KERNEL_COMP_ADDR_R	__stringify(0x84000000)
98 #define __KERNEL_COMP_SIZE_R	__stringify(0x04000000)
99 #define __KERNEL_ADDR_R		__stringify(0x8a000000)
100 #define __FDT_ADDR_R		__stringify(0x90000000)
101 #define __SCRIPT_ADDR_R		__stringify(0x90100000)
102 #define __PXEFILE_ADDR_R	__stringify(0x90200000)
103 #define __FDTOVERLAY_ADDR_R	__stringify(0x90300000)
104 #define __RAMDISK_ADDR_R	__stringify(0x90400000)
105 
106 #define STM32MP_MEM_LAYOUT \
107 	"kernel_addr_r=" __KERNEL_ADDR_R "\0" \
108 	"fdt_addr_r=" __FDT_ADDR_R "\0" \
109 	"scriptaddr=" __SCRIPT_ADDR_R "\0" \
110 	"pxefile_addr_r=" __PXEFILE_ADDR_R "\0" \
111 	"fdtoverlay_addr_r=" __FDTOVERLAY_ADDR_R "\0" \
112 	"ramdisk_addr_r=" __RAMDISK_ADDR_R "\0" \
113 	"kernel_comp_addr_r=" __KERNEL_COMP_ADDR_R "\0"	\
114 	"kernel_comp_size=" __KERNEL_COMP_SIZE_R "\0"
115 
116 #include <config_distro_bootcmd.h>
117 #define CFG_EXTRA_ENV_SETTINGS \
118 	STM32MP_MEM_LAYOUT \
119 	STM32MP_BOOTCMD \
120 	BOOTENV \
121 	STM32MP_EXTRA \
122 	STM32MP_BOARD_EXTRA_ENV
123 
124 #endif
125 
126 #endif /* __CONFIG_STM32MP25_COMMMON_H */
127