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_STM32MP15_COMMMON_H
9 #define __CONFIG_STM32MP15_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 #if !defined(CONFIG_XPL_BUILD)
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_NET
45 #define BOOT_TARGET_PXE(func)	func(PXE, pxe, na)
46 #else
47 #define BOOT_TARGET_PXE(func)
48 #endif
49 
50 #ifdef CONFIG_CMD_UBIFS
51 #define BOOT_TARGET_UBIFS(func)	func(UBIFS, ubifs, 0, UBI, boot)
52 #else
53 #define BOOT_TARGET_UBIFS(func)
54 #endif
55 
56 #ifdef CONFIG_CMD_USB
57 #define BOOT_TARGET_USB(func)	func(USB, usb, 0)
58 #else
59 #define BOOT_TARGET_USB(func)
60 #endif
61 
62 #define BOOT_TARGET_DEVICES(func)	\
63 	BOOT_TARGET_MMC1(func)		\
64 	BOOT_TARGET_UBIFS(func)		\
65 	BOOT_TARGET_MMC0(func)		\
66 	BOOT_TARGET_MMC2(func)		\
67 	BOOT_TARGET_USB(func)		\
68 	BOOT_TARGET_PXE(func)
69 
70 /*
71  * default bootcmd for stm32mp15:
72  * for serial/usb: execute the stm32prog command
73  * for mmc boot (eMMC, SD card), distro boot on the same mmc device
74  * for nand or spi-nand boot, distro boot with ubifs on UBI partition
75  * for nor boot, use the default distro order in ${boot_targets}
76  */
77 #define STM32MP_BOOTCMD "bootcmd_stm32mp=" \
78 	"echo \"Boot over ${boot_device}${boot_instance}!\";" \
79 	"if test ${boot_device} = serial || test ${boot_device} = usb;" \
80 	"then stm32prog ${boot_device} ${boot_instance}; " \
81 	"else " \
82 		"run env_check;" \
83 		"if test ${boot_device} = mmc;" \
84 		"then env set boot_targets \"mmc${boot_instance}\"; fi;" \
85 		"if test ${boot_device} = nand ||" \
86 		  " test ${boot_device} = spi-nand ;" \
87 		"then env set boot_targets ubifs0; fi;" \
88 		"run distro_bootcmd;" \
89 	"fi;\0"
90 
91 #define STM32MP_EXTRA \
92 	"env_check=if env info -p -d -q; then env save; fi\0" \
93 	"boot_net_usb_start=true\0"
94 
95 #ifndef STM32MP_BOARD_EXTRA_ENV
96 #define STM32MP_BOARD_EXTRA_ENV
97 #endif
98 
99 #include <config_distro_bootcmd.h>
100 
101 /*
102  * memory layout for 32M uncompressed/compressed kernel,
103  * 1M fdt, 1M script, 1M pxe and 1M for overlay
104  * and the ramdisk at the end.
105  */
106 #define __KERNEL_ADDR_R     __stringify(0xc2000000)
107 #define __FDT_ADDR_R        __stringify(0xc4000000)
108 #define __SCRIPT_ADDR_R     __stringify(0xc4100000)
109 #define __PXEFILE_ADDR_R    __stringify(0xc4200000)
110 #define __FDTOVERLAY_ADDR_R __stringify(0xc4300000)
111 #define __RAMDISK_ADDR_R    __stringify(0xc4400000)
112 
113 #define STM32MP_MEM_LAYOUT \
114 	"kernel_addr_r=" __KERNEL_ADDR_R "\0" \
115 	"fdt_addr_r=" __FDT_ADDR_R "\0" \
116 	"scriptaddr=" __SCRIPT_ADDR_R "\0" \
117 	"pxefile_addr_r=" __PXEFILE_ADDR_R "\0" \
118 	"fdtoverlay_addr_r=" __FDTOVERLAY_ADDR_R "\0" \
119 	"ramdisk_addr_r=" __RAMDISK_ADDR_R "\0"
120 
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 /* ifndef CONFIG_XPL_BUILD */
129 #endif /* ifdef CONFIG_DISTRO_DEFAULTS*/
130 
131 #endif /* __CONFIG_STM32MP15_COMMMON_H */
132