1 /*
2  * (C) Copyright 2014
3  * NVIDIA Corporation <www.nvidia.com>
4  *
5  * Copyright 2014 Red Hat, Inc.
6  *
7  * SPDX-License-Identifier:     GPL-2.0+
8  */
9 
10 #ifndef _CONFIG_CMD_DISTRO_BOOTCMD_H
11 #define _CONFIG_CMD_DISTRO_BOOTCMD_H
12 
13 #define BOOTENV_SHARED_BLKDEV_BODY(devtypel) \
14 		"if " #devtypel " dev ${devnum}; then " \
15 			"setenv devtype " #devtypel "; " \
16 			"run scan_dev_for_boot; " \
17 		"fi\0"
18 
19 #define BOOTENV_SHARED_BLKDEV(devtypel) \
20 	#devtypel "_boot=" \
21 	BOOTENV_SHARED_BLKDEV_BODY(devtypel)
22 
23 #define BOOTENV_DEV_BLKDEV(devtypeu, devtypel, instance) \
24 	"bootcmd_" #devtypel #instance "=" \
25 		"setenv devnum " #instance "; " \
26 		"run " #devtypel "_boot\0"
27 
28 #define BOOTENV_DEV_NAME_BLKDEV(devtypeu, devtypel, instance) \
29 	#devtypel #instance " "
30 
31 #ifdef CONFIG_CMD_MMC
32 #define BOOTENV_SHARED_MMC	BOOTENV_SHARED_BLKDEV(mmc)
33 #define BOOTENV_DEV_MMC		BOOTENV_DEV_BLKDEV
34 #define BOOTENV_DEV_NAME_MMC	BOOTENV_DEV_NAME_BLKDEV
35 #else
36 #define BOOTENV_SHARED_MMC
37 #define BOOTENV_DEV_MMC \
38 	BOOT_TARGET_DEVICES_references_MMC_without_CONFIG_CMD_MMC
39 #define BOOTENV_DEV_NAME_MMC \
40 	BOOT_TARGET_DEVICES_references_MMC_without_CONFIG_CMD_MMC
41 #endif
42 
43 #ifdef CONFIG_CMD_SATA
44 #define BOOTENV_SHARED_SATA	BOOTENV_SHARED_BLKDEV(sata)
45 #define BOOTENV_DEV_SATA	BOOTENV_DEV_BLKDEV
46 #define BOOTENV_DEV_NAME_SATA	BOOTENV_DEV_NAME_BLKDEV
47 #else
48 #define BOOTENV_SHARED_SATA
49 #define BOOTENV_DEV_SATA \
50 	BOOT_TARGET_DEVICES_references_SATA_without_CONFIG_CMD_SATA
51 #define BOOTENV_DEV_NAME_SATA \
52 	BOOT_TARGET_DEVICES_references_SATA_without_CONFIG_CMD_SATA
53 #endif
54 
55 #ifdef CONFIG_CMD_SCSI
56 #define BOOTENV_SHARED_SCSI	BOOTENV_SHARED_BLKDEV(scsi)
57 #define BOOTENV_DEV_SCSI	BOOTENV_DEV_BLKDEV
58 #define BOOTENV_DEV_NAME_SCSI	BOOTENV_DEV_NAME_BLKDEV
59 #else
60 #define BOOTENV_SHARED_SCSI
61 #define BOOTENV_DEV_SCSI \
62 	BOOT_TARGET_DEVICES_references_SCSI_without_CONFIG_CMD_SCSI
63 #define BOOTENV_DEV_NAME_SCSI \
64 	BOOT_TARGET_DEVICES_references_SCSI_without_CONFIG_CMD_SCSI
65 #endif
66 
67 #ifdef CONFIG_CMD_IDE
68 #define BOOTENV_SHARED_IDE	BOOTENV_SHARED_BLKDEV(ide)
69 #define BOOTENV_DEV_IDE		BOOTENV_DEV_BLKDEV
70 #define BOOTENV_DEV_NAME_IDE	BOOTENV_DEV_NAME_BLKDEV
71 #else
72 #define BOOTENV_SHARED_IDE
73 #define BOOTENV_DEV_IDE \
74 	BOOT_TARGET_DEVICES_references_IDE_without_CONFIG_CMD_IDE
75 #define BOOTENV_DEV_NAME_IDE \
76 	BOOT_TARGET_DEVICES_references_IDE_without_CONFIG_CMD_IDE
77 #endif
78 
79 #ifdef CONFIG_CMD_USB
80 #define BOOTENV_RUN_USB_INIT "run usb_init; "
81 #define BOOTENV_SET_USB_NEED_INIT "setenv usb_need_init; "
82 #define BOOTENV_SHARED_USB \
83 	"usb_init=" \
84 		"if ${usb_need_init}; then " \
85 			"setenv usb_need_init false; " \
86 			"usb start 0; " \
87 		"fi\0" \
88 	\
89 	"usb_boot=" \
90 		BOOTENV_RUN_USB_INIT \
91 		BOOTENV_SHARED_BLKDEV_BODY(usb)
92 #define BOOTENV_DEV_USB		BOOTENV_DEV_BLKDEV
93 #define BOOTENV_DEV_NAME_USB	BOOTENV_DEV_NAME_BLKDEV
94 #else
95 #define BOOTENV_RUN_USB_INIT
96 #define BOOTENV_SET_USB_NEED_INIT
97 #define BOOTENV_SHARED_USB
98 #define BOOTENV_DEV_USB \
99 	BOOT_TARGET_DEVICES_references_USB_without_CONFIG_CMD_USB
100 #define BOOTENV_DEV_NAME_USB \
101 	BOOT_TARGET_DEVICES_references_USB_without_CONFIG_CMD_USB
102 #endif
103 
104 #if defined(CONFIG_CMD_DHCP)
105 #define BOOTENV_DEV_DHCP(devtypeu, devtypel, instance) \
106 	"bootcmd_dhcp=" \
107 		BOOTENV_RUN_USB_INIT \
108 		"if dhcp ${scriptaddr} boot.scr.uimg; then " \
109 			"source ${scriptaddr}; " \
110 		"fi\0"
111 #define BOOTENV_DEV_NAME_DHCP(devtypeu, devtypel, instance) \
112 	"dhcp "
113 #else
114 #define BOOTENV_DEV_DHCP \
115 	BOOT_TARGET_DEVICES_references_DHCP_without_CONFIG_CMD_DHCP
116 #define BOOTENV_DEV_NAME_DHCP \
117 	BOOT_TARGET_DEVICES_references_DHCP_without_CONFIG_CMD_DHCP
118 #endif
119 
120 #if defined(CONFIG_CMD_DHCP) && defined(CONFIG_CMD_PXE)
121 #define BOOTENV_DEV_PXE(devtypeu, devtypel, instance) \
122 	"bootcmd_pxe=" \
123 		BOOTENV_RUN_USB_INIT \
124 		"dhcp; " \
125 		"if pxe get; then " \
126 			"pxe boot; " \
127 		"fi\0"
128 #define BOOTENV_DEV_NAME_PXE(devtypeu, devtypel, instance) \
129 	"pxe "
130 #else
131 #define BOOTENV_DEV_PXE \
132 	BOOT_TARGET_DEVICES_references_PXE_without_CONFIG_CMD_DHCP_or_PXE
133 #define BOOTENV_DEV_NAME_PXE \
134 	BOOT_TARGET_DEVICES_references_PXE_without_CONFIG_CMD_DHCP_or_PXE
135 #endif
136 
137 #define BOOTENV_DEV_NAME(devtypeu, devtypel, instance) \
138 	BOOTENV_DEV_NAME_##devtypeu(devtypeu, devtypel, instance)
139 #define BOOTENV_BOOT_TARGETS \
140 	"boot_targets=" BOOT_TARGET_DEVICES(BOOTENV_DEV_NAME) "\0"
141 
142 #define BOOTENV_DEV(devtypeu, devtypel, instance) \
143 	BOOTENV_DEV_##devtypeu(devtypeu, devtypel, instance)
144 #define BOOTENV \
145 	BOOTENV_SHARED_MMC \
146 	BOOTENV_SHARED_USB \
147 	BOOTENV_SHARED_SATA \
148 	BOOTENV_SHARED_SCSI \
149 	BOOTENV_SHARED_IDE \
150 	"boot_prefixes=/ /boot/\0" \
151 	"boot_scripts=boot.scr.uimg boot.scr\0" \
152 	BOOTENV_BOOT_TARGETS \
153 	"bootpart=1\0" \
154 	\
155 	"boot_extlinux="                                                  \
156 		"sysboot ${devtype} ${devnum}:${bootpart} any "           \
157 			"${scriptaddr} ${prefix}extlinux/extlinux.conf\0" \
158 	\
159 	"scan_dev_for_extlinux="                                          \
160 		"if test -e ${devtype} ${devnum}:${bootpart} "            \
161 				"${prefix}extlinux/extlinux.conf; then "  \
162 			"echo Found ${prefix}extlinux/extlinux.conf; "    \
163 			"run boot_extlinux; "                             \
164 			"echo SCRIPT FAILED: continuing...; "             \
165 		"fi\0"                                                    \
166 	\
167 	"boot_a_script="                                                  \
168 		"load ${devtype} ${devnum}:${bootpart} "                  \
169 			"${scriptaddr} ${prefix}${script}; "              \
170 		"source ${scriptaddr}\0"                                  \
171 	\
172 	"scan_dev_for_scripts="                                           \
173 		"for script in ${boot_scripts}; do "                      \
174 			"if test -e ${devtype} ${devnum}:${bootpart} "    \
175 					"${prefix}${script}; then "       \
176 				"echo Found U-Boot script "               \
177 					"${prefix}${script}; "            \
178 				"run boot_a_script; "                     \
179 				"echo SCRIPT FAILED: continuing...; "     \
180 			"fi; "                                            \
181 		"done\0"                                                  \
182 	\
183 	"scan_dev_for_boot="                                              \
184 		"echo Scanning ${devtype} ${devnum}...; "                 \
185 		"for prefix in ${boot_prefixes}; do "                     \
186 			"run scan_dev_for_extlinux; "                     \
187 			"run scan_dev_for_scripts; "                      \
188 		"done\0"                                                  \
189 	\
190 	BOOT_TARGET_DEVICES(BOOTENV_DEV)                                  \
191 	\
192 	"bootcmd=" BOOTENV_SET_USB_NEED_INIT                              \
193 		"for target in ${boot_targets}; do "                      \
194 			"run bootcmd_${target}; "                         \
195 		"done\0"
196 
197 #endif  /* _CONFIG_CMD_DISTRO_BOOTCMD_H */
198