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_part; " \
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_RUN_SCSI_INIT "run scsi_init; "
57 #define BOOTENV_SET_SCSI_NEED_INIT "setenv scsi_need_init; "
58 #define BOOTENV_SHARED_SCSI \
59 	"scsi_init=" \
60 		"if ${scsi_need_init}; then " \
61 			"setenv scsi_need_init false; " \
62 			"scsi scan; " \
63 		"fi\0" \
64 	\
65 	"scsi_boot=" \
66 		BOOTENV_RUN_SCSI_INIT \
67 		BOOTENV_SHARED_BLKDEV_BODY(scsi)
68 #define BOOTENV_DEV_SCSI	BOOTENV_DEV_BLKDEV
69 #define BOOTENV_DEV_NAME_SCSI	BOOTENV_DEV_NAME_BLKDEV
70 #else
71 #define BOOTENV_RUN_SCSI_INIT
72 #define BOOTENV_SET_SCSI_NEED_INIT
73 #define BOOTENV_SHARED_SCSI
74 #define BOOTENV_DEV_SCSI \
75 	BOOT_TARGET_DEVICES_references_SCSI_without_CONFIG_CMD_SCSI
76 #define BOOTENV_DEV_NAME_SCSI \
77 	BOOT_TARGET_DEVICES_references_SCSI_without_CONFIG_CMD_SCSI
78 #endif
79 
80 #ifdef CONFIG_CMD_IDE
81 #define BOOTENV_SHARED_IDE	BOOTENV_SHARED_BLKDEV(ide)
82 #define BOOTENV_DEV_IDE		BOOTENV_DEV_BLKDEV
83 #define BOOTENV_DEV_NAME_IDE	BOOTENV_DEV_NAME_BLKDEV
84 #else
85 #define BOOTENV_SHARED_IDE
86 #define BOOTENV_DEV_IDE \
87 	BOOT_TARGET_DEVICES_references_IDE_without_CONFIG_CMD_IDE
88 #define BOOTENV_DEV_NAME_IDE \
89 	BOOT_TARGET_DEVICES_references_IDE_without_CONFIG_CMD_IDE
90 #endif
91 
92 #ifdef CONFIG_CMD_USB
93 #define BOOTENV_RUN_USB_INIT "usb start; "
94 #define BOOTENV_SHARED_USB \
95 	"usb_boot=" \
96 		BOOTENV_RUN_USB_INIT \
97 		BOOTENV_SHARED_BLKDEV_BODY(usb)
98 #define BOOTENV_DEV_USB		BOOTENV_DEV_BLKDEV
99 #define BOOTENV_DEV_NAME_USB	BOOTENV_DEV_NAME_BLKDEV
100 #else
101 #define BOOTENV_RUN_USB_INIT
102 #define BOOTENV_SHARED_USB
103 #define BOOTENV_DEV_USB \
104 	BOOT_TARGET_DEVICES_references_USB_without_CONFIG_CMD_USB
105 #define BOOTENV_DEV_NAME_USB \
106 	BOOT_TARGET_DEVICES_references_USB_without_CONFIG_CMD_USB
107 #endif
108 
109 #if defined(CONFIG_CMD_DHCP)
110 #define BOOTENV_DEV_DHCP(devtypeu, devtypel, instance) \
111 	"bootcmd_dhcp=" \
112 		BOOTENV_RUN_USB_INIT \
113 		"if dhcp ${scriptaddr} ${boot_script_dhcp}; then " \
114 			"source ${scriptaddr}; " \
115 		"fi\0"
116 #define BOOTENV_DEV_NAME_DHCP(devtypeu, devtypel, instance) \
117 	"dhcp "
118 #else
119 #define BOOTENV_DEV_DHCP \
120 	BOOT_TARGET_DEVICES_references_DHCP_without_CONFIG_CMD_DHCP
121 #define BOOTENV_DEV_NAME_DHCP \
122 	BOOT_TARGET_DEVICES_references_DHCP_without_CONFIG_CMD_DHCP
123 #endif
124 
125 #if defined(CONFIG_CMD_DHCP) && defined(CONFIG_CMD_PXE)
126 #define BOOTENV_DEV_PXE(devtypeu, devtypel, instance) \
127 	"bootcmd_pxe=" \
128 		BOOTENV_RUN_USB_INIT \
129 		"dhcp; " \
130 		"if pxe get; then " \
131 			"pxe boot; " \
132 		"fi\0"
133 #define BOOTENV_DEV_NAME_PXE(devtypeu, devtypel, instance) \
134 	"pxe "
135 #else
136 #define BOOTENV_DEV_PXE \
137 	BOOT_TARGET_DEVICES_references_PXE_without_CONFIG_CMD_DHCP_or_PXE
138 #define BOOTENV_DEV_NAME_PXE \
139 	BOOT_TARGET_DEVICES_references_PXE_without_CONFIG_CMD_DHCP_or_PXE
140 #endif
141 
142 #define BOOTENV_DEV_NAME(devtypeu, devtypel, instance) \
143 	BOOTENV_DEV_NAME_##devtypeu(devtypeu, devtypel, instance)
144 #define BOOTENV_BOOT_TARGETS \
145 	"boot_targets=" BOOT_TARGET_DEVICES(BOOTENV_DEV_NAME) "\0"
146 
147 #define BOOTENV_DEV(devtypeu, devtypel, instance) \
148 	BOOTENV_DEV_##devtypeu(devtypeu, devtypel, instance)
149 #define BOOTENV \
150 	BOOTENV_SHARED_MMC \
151 	BOOTENV_SHARED_USB \
152 	BOOTENV_SHARED_SATA \
153 	BOOTENV_SHARED_SCSI \
154 	BOOTENV_SHARED_IDE \
155 	"boot_prefixes=/ /boot/\0" \
156 	"boot_scripts=boot.scr.uimg boot.scr\0" \
157 	"boot_script_dhcp=boot.scr.uimg\0" \
158 	BOOTENV_BOOT_TARGETS \
159 	\
160 	"boot_extlinux="                                                  \
161 		"sysboot ${devtype} ${devnum}:${bootpart} any "           \
162 			"${scriptaddr} ${prefix}extlinux/extlinux.conf\0" \
163 	\
164 	"scan_dev_for_extlinux="                                          \
165 		"if test -e ${devtype} ${devnum}:${bootpart} "            \
166 				"${prefix}extlinux/extlinux.conf; then "  \
167 			"echo Found ${prefix}extlinux/extlinux.conf; "    \
168 			"run boot_extlinux; "                             \
169 			"echo SCRIPT FAILED: continuing...; "             \
170 		"fi\0"                                                    \
171 	\
172 	"boot_a_script="                                                  \
173 		"load ${devtype} ${devnum}:${bootpart} "                  \
174 			"${scriptaddr} ${prefix}${script}; "              \
175 		"source ${scriptaddr}\0"                                  \
176 	\
177 	"scan_dev_for_scripts="                                           \
178 		"for script in ${boot_scripts}; do "                      \
179 			"if test -e ${devtype} ${devnum}:${bootpart} "    \
180 					"${prefix}${script}; then "       \
181 				"echo Found U-Boot script "               \
182 					"${prefix}${script}; "            \
183 				"run boot_a_script; "                     \
184 				"echo SCRIPT FAILED: continuing...; "     \
185 			"fi; "                                            \
186 		"done\0"                                                  \
187 	\
188 	"scan_dev_for_boot="                                              \
189 		"echo Scanning ${devtype} ${devnum}:${bootpart}...; "     \
190 		"for prefix in ${boot_prefixes}; do "                     \
191 			"run scan_dev_for_extlinux; "                     \
192 			"run scan_dev_for_scripts; "                      \
193 		"done\0"                                                  \
194 	\
195 	"scan_dev_for_boot_part="                                         \
196 		"part list ${devtype} ${devnum} devplist; "               \
197 		"for bootpart in ${devplist}; do "                        \
198 			"if fstype ${devtype} ${devnum}:${bootpart} "     \
199 					"bootfstype; then "               \
200 				"run scan_dev_for_boot; "                 \
201 			"fi; "                                            \
202 		"done\0"                                                  \
203 	\
204 	BOOT_TARGET_DEVICES(BOOTENV_DEV)                                  \
205 	\
206 	"distro_bootcmd=" BOOTENV_SET_SCSI_NEED_INIT                      \
207 		"for target in ${boot_targets}; do "                      \
208 			"run bootcmd_${target}; "                         \
209 		"done\0"
210 
211 #ifndef CONFIG_BOOTCOMMAND
212 #define CONFIG_BOOTCOMMAND "run distro_bootcmd"
213 #endif
214 
215 #endif  /* _CONFIG_CMD_DISTRO_BOOTCMD_H */
216