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[u-boot] / include / config_distro_bootcmd.h
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 /*
14  * A note on error handling: It is possible for BOOT_TARGET_DEVICES to
15  * reference a device that is not enabled in the U-Boot configuration, e.g.
16  * it may include MMC in the list without CONFIG_CMD_MMC being enabled. Given
17  * that BOOT_TARGET_DEVICES is a macro that's expanded by the C pre-processor
18  * at compile time, it's not  possible to detect and report such problems via
19  * a simple #ifdef/#error combination. Still, the code needs to report errors.
20  * The best way I've found to do this is to make BOOT_TARGET_DEVICES expand to
21  * reference a non-existent symbol, and have the name of that symbol encode
22  * the error message. Consequently, this file contains references to e.g.
23  * BOOT_TARGET_DEVICES_references_MMC_without_CONFIG_CMD_MMC. Given the
24  * prevalence of capitals here, this looks like a pre-processor macro and
25  * hence seems like it should be all capitals, but it's really an error
26  * message that includes some other pre-processor symbols in the text.
27  */
28
29 /* We need the part command */
30 #define CONFIG_PARTITION_UUIDS
31 #define CONFIG_CMD_PART
32
33 #define BOOTENV_SHARED_BLKDEV_BODY(devtypel) \
34                 "if " #devtypel " dev ${devnum}; then " \
35                         "setenv devtype " #devtypel "; " \
36                         "run scan_dev_for_boot_part; " \
37                 "fi\0"
38
39 #define BOOTENV_SHARED_BLKDEV(devtypel) \
40         #devtypel "_boot=" \
41         BOOTENV_SHARED_BLKDEV_BODY(devtypel)
42
43 #define BOOTENV_DEV_BLKDEV(devtypeu, devtypel, instance) \
44         "bootcmd_" #devtypel #instance "=" \
45                 "setenv devnum " #instance "; " \
46                 "run " #devtypel "_boot\0"
47
48 #define BOOTENV_DEV_NAME_BLKDEV(devtypeu, devtypel, instance) \
49         #devtypel #instance " "
50
51 #ifdef CONFIG_SANDBOX
52 #define BOOTENV_SHARED_HOST     BOOTENV_SHARED_BLKDEV(host)
53 #define BOOTENV_DEV_HOST        BOOTENV_DEV_BLKDEV
54 #define BOOTENV_DEV_NAME_HOST   BOOTENV_DEV_NAME_BLKDEV
55 #else
56 #define BOOTENV_SHARED_HOST
57 #define BOOTENV_DEV_HOST \
58         BOOT_TARGET_DEVICES_references_HOST_without_CONFIG_SANDBOX
59 #define BOOTENV_DEV_NAME_HOST \
60         BOOT_TARGET_DEVICES_references_HOST_without_CONFIG_SANDBOX
61 #endif
62
63 #ifdef CONFIG_CMD_MMC
64 #define BOOTENV_SHARED_MMC      BOOTENV_SHARED_BLKDEV(mmc)
65 #define BOOTENV_DEV_MMC         BOOTENV_DEV_BLKDEV
66 #define BOOTENV_DEV_NAME_MMC    BOOTENV_DEV_NAME_BLKDEV
67 #else
68 #define BOOTENV_SHARED_MMC
69 #define BOOTENV_DEV_MMC \
70         BOOT_TARGET_DEVICES_references_MMC_without_CONFIG_CMD_MMC
71 #define BOOTENV_DEV_NAME_MMC \
72         BOOT_TARGET_DEVICES_references_MMC_without_CONFIG_CMD_MMC
73 #endif
74
75 #ifdef CONFIG_CMD_UBIFS
76 #define BOOTENV_SHARED_UBIFS \
77         "ubifs_boot=" \
78                 "if ubi part UBI && ubifsmount ubi${devnum}:boot; then "  \
79                         "setenv devtype ubi; "                            \
80                         "setenv bootpart 0; "                             \
81                         "run scan_dev_for_boot; "                         \
82                 "fi\0"
83 #define BOOTENV_DEV_UBIFS       BOOTENV_DEV_BLKDEV
84 #define BOOTENV_DEV_NAME_UBIFS  BOOTENV_DEV_NAME_BLKDEV
85 #else
86 #define BOOTENV_SHARED_UBIFS
87 #define BOOTENV_DEV_UBIFS \
88         BOOT_TARGET_DEVICES_references_UBIFS_without_CONFIG_CMD_UBIFS
89 #define BOOTENV_DEV_NAME_UBIFS \
90         BOOT_TARGET_DEVICES_references_UBIFS_without_CONFIG_CMD_UBIFS
91 #endif
92
93 #ifdef CONFIG_EFI_LOADER
94 #if defined(CONFIG_ARM64)
95 #define BOOTEFI_NAME "bootaa64.efi"
96 #elif defined(CONFIG_ARM)
97 #define BOOTEFI_NAME "bootarm.efi"
98 #endif
99 #endif
100
101 #ifdef BOOTEFI_NAME
102 #if defined(CONFIG_ARM) && !defined(CONFIG_ARM64)
103 /*
104  * On 32bit ARM systems there is a reasonable number of systems that follow
105  * the $soc-$board$boardver.dtb name scheme for their device trees. Use that
106  * scheme if we don't have an explicit fdtfile variable.
107  */
108 #define BOOTENV_EFI_SET_FDTFILE_FALLBACK                                  \
109         "if test -z \"${fdtfile}\" -a -n \"${soc}\"; then "               \
110           "setenv efi_fdtfile ${soc}-${board}${boardver}.dtb; "           \
111         "fi; "
112 #else
113 #define BOOTENV_EFI_SET_FDTFILE_FALLBACK
114 #endif
115
116
117 #define BOOTENV_SHARED_EFI                                                \
118         "boot_efi_binary="                                                \
119                 "load ${devtype} ${devnum}:${distro_bootpart} "           \
120                         "${kernel_addr_r} efi/boot/"BOOTEFI_NAME"; "      \
121                 "if fdt addr ${fdt_addr_r}; then "                        \
122                         "bootefi ${kernel_addr_r} ${fdt_addr_r};"         \
123                 "else"                                                    \
124                         "bootefi ${kernel_addr_r} ${fdtcontroladdr};"     \
125                 "fi\0"                                                    \
126         \
127         "load_efi_dtb="                                                   \
128                 "load ${devtype} ${devnum}:${distro_bootpart} "           \
129                         "${fdt_addr_r} ${prefix}${efi_fdtfile}\0"         \
130         \
131         "efi_dtb_prefixes=/ /dtb/ /dtb/current/\0"                        \
132         "scan_dev_for_efi="                                               \
133                 "setenv efi_fdtfile ${fdtfile}; "                         \
134                 BOOTENV_EFI_SET_FDTFILE_FALLBACK                          \
135                 "for prefix in ${efi_dtb_prefixes}; do "                  \
136                         "if test -e ${devtype} "                          \
137                                         "${devnum}:${distro_bootpart} "   \
138                                         "${prefix}${efi_fdtfile}; then "  \
139                                 "run load_efi_dtb; "                      \
140                         "fi;"                                             \
141                 "done;"                                                   \
142                 "if test -e ${devtype} ${devnum}:${distro_bootpart} "     \
143                                         "efi/boot/"BOOTEFI_NAME"; then "  \
144                                 "echo Found EFI removable media binary "  \
145                                         "efi/boot/"BOOTEFI_NAME"; "       \
146                                 "run boot_efi_binary; "                   \
147                                 "echo EFI LOAD FAILED: continuing...; "   \
148                 "fi; "                                                    \
149                 "setenv efi_fdtfile\0"
150 #define SCAN_DEV_FOR_EFI "run scan_dev_for_efi;"
151 #else
152 #define BOOTENV_SHARED_EFI
153 #define SCAN_DEV_FOR_EFI
154 #endif
155
156 #ifdef CONFIG_CMD_SATA
157 #define BOOTENV_SHARED_SATA     BOOTENV_SHARED_BLKDEV(sata)
158 #define BOOTENV_DEV_SATA        BOOTENV_DEV_BLKDEV
159 #define BOOTENV_DEV_NAME_SATA   BOOTENV_DEV_NAME_BLKDEV
160 #else
161 #define BOOTENV_SHARED_SATA
162 #define BOOTENV_DEV_SATA \
163         BOOT_TARGET_DEVICES_references_SATA_without_CONFIG_CMD_SATA
164 #define BOOTENV_DEV_NAME_SATA \
165         BOOT_TARGET_DEVICES_references_SATA_without_CONFIG_CMD_SATA
166 #endif
167
168 #ifdef CONFIG_SCSI
169 #define BOOTENV_RUN_SCSI_INIT "run scsi_init; "
170 #define BOOTENV_SET_SCSI_NEED_INIT "setenv scsi_need_init; "
171 #define BOOTENV_SHARED_SCSI \
172         "scsi_init=" \
173                 "if ${scsi_need_init}; then " \
174                         "setenv scsi_need_init false; " \
175                         "scsi scan; " \
176                 "fi\0" \
177         \
178         "scsi_boot=" \
179                 BOOTENV_RUN_SCSI_INIT \
180                 BOOTENV_SHARED_BLKDEV_BODY(scsi)
181 #define BOOTENV_DEV_SCSI        BOOTENV_DEV_BLKDEV
182 #define BOOTENV_DEV_NAME_SCSI   BOOTENV_DEV_NAME_BLKDEV
183 #else
184 #define BOOTENV_RUN_SCSI_INIT
185 #define BOOTENV_SET_SCSI_NEED_INIT
186 #define BOOTENV_SHARED_SCSI
187 #define BOOTENV_DEV_SCSI \
188         BOOT_TARGET_DEVICES_references_SCSI_without_CONFIG_SCSI
189 #define BOOTENV_DEV_NAME_SCSI \
190         BOOT_TARGET_DEVICES_references_SCSI_without_CONFIG_SCSI
191 #endif
192
193 #ifdef CONFIG_CMD_IDE
194 #define BOOTENV_SHARED_IDE      BOOTENV_SHARED_BLKDEV(ide)
195 #define BOOTENV_DEV_IDE         BOOTENV_DEV_BLKDEV
196 #define BOOTENV_DEV_NAME_IDE    BOOTENV_DEV_NAME_BLKDEV
197 #else
198 #define BOOTENV_SHARED_IDE
199 #define BOOTENV_DEV_IDE \
200         BOOT_TARGET_DEVICES_references_IDE_without_CONFIG_CMD_IDE
201 #define BOOTENV_DEV_NAME_IDE \
202         BOOT_TARGET_DEVICES_references_IDE_without_CONFIG_CMD_IDE
203 #endif
204
205 #if defined(CONFIG_CMD_PCI_ENUM) || defined(CONFIG_DM_PCI)
206 #define BOOTENV_RUN_NET_PCI_ENUM "run boot_net_pci_enum; "
207 #define BOOTENV_SHARED_PCI \
208         "boot_net_pci_enum=pci enum\0"
209 #else
210 #define BOOTENV_RUN_NET_PCI_ENUM
211 #define BOOTENV_SHARED_PCI
212 #endif
213
214 #ifdef CONFIG_CMD_USB
215 #define BOOTENV_RUN_NET_USB_START "run boot_net_usb_start; "
216 #define BOOTENV_SHARED_USB \
217         "boot_net_usb_start=usb start\0" \
218         "usb_boot=" \
219                 "usb start; " \
220                 BOOTENV_SHARED_BLKDEV_BODY(usb)
221 #define BOOTENV_DEV_USB         BOOTENV_DEV_BLKDEV
222 #define BOOTENV_DEV_NAME_USB    BOOTENV_DEV_NAME_BLKDEV
223 #else
224 #define BOOTENV_RUN_NET_USB_START
225 #define BOOTENV_SHARED_USB
226 #define BOOTENV_DEV_USB \
227         BOOT_TARGET_DEVICES_references_USB_without_CONFIG_CMD_USB
228 #define BOOTENV_DEV_NAME_USB \
229         BOOT_TARGET_DEVICES_references_USB_without_CONFIG_CMD_USB
230 #endif
231
232 #if defined(CONFIG_CMD_DHCP)
233 #define BOOTENV_DEV_DHCP(devtypeu, devtypel, instance) \
234         "bootcmd_dhcp=" \
235                 BOOTENV_RUN_NET_USB_START \
236                 BOOTENV_RUN_NET_PCI_ENUM \
237                 "if dhcp ${scriptaddr} ${boot_script_dhcp}; then " \
238                         "source ${scriptaddr}; " \
239                 "fi\0"
240 #define BOOTENV_DEV_NAME_DHCP(devtypeu, devtypel, instance) \
241         "dhcp "
242 #else
243 #define BOOTENV_DEV_DHCP \
244         BOOT_TARGET_DEVICES_references_DHCP_without_CONFIG_CMD_DHCP
245 #define BOOTENV_DEV_NAME_DHCP \
246         BOOT_TARGET_DEVICES_references_DHCP_without_CONFIG_CMD_DHCP
247 #endif
248
249 #if defined(CONFIG_CMD_DHCP) && defined(CONFIG_CMD_PXE)
250 #define BOOTENV_DEV_PXE(devtypeu, devtypel, instance) \
251         "bootcmd_pxe=" \
252                 BOOTENV_RUN_NET_USB_START \
253                 BOOTENV_RUN_NET_PCI_ENUM \
254                 "dhcp; " \
255                 "if pxe get; then " \
256                         "pxe boot; " \
257                 "fi\0"
258 #define BOOTENV_DEV_NAME_PXE(devtypeu, devtypel, instance) \
259         "pxe "
260 #else
261 #define BOOTENV_DEV_PXE \
262         BOOT_TARGET_DEVICES_references_PXE_without_CONFIG_CMD_DHCP_or_PXE
263 #define BOOTENV_DEV_NAME_PXE \
264         BOOT_TARGET_DEVICES_references_PXE_without_CONFIG_CMD_DHCP_or_PXE
265 #endif
266
267 #define BOOTENV_DEV_NAME(devtypeu, devtypel, instance) \
268         BOOTENV_DEV_NAME_##devtypeu(devtypeu, devtypel, instance)
269 #define BOOTENV_BOOT_TARGETS \
270         "boot_targets=" BOOT_TARGET_DEVICES(BOOTENV_DEV_NAME) "\0"
271
272 #define BOOTENV_DEV(devtypeu, devtypel, instance) \
273         BOOTENV_DEV_##devtypeu(devtypeu, devtypel, instance)
274 #define BOOTENV \
275         BOOTENV_SHARED_HOST \
276         BOOTENV_SHARED_MMC \
277         BOOTENV_SHARED_PCI \
278         BOOTENV_SHARED_USB \
279         BOOTENV_SHARED_SATA \
280         BOOTENV_SHARED_SCSI \
281         BOOTENV_SHARED_IDE \
282         BOOTENV_SHARED_UBIFS \
283         BOOTENV_SHARED_EFI \
284         "boot_prefixes=/ /boot/\0" \
285         "boot_scripts=boot.scr.uimg boot.scr\0" \
286         "boot_script_dhcp=boot.scr.uimg\0" \
287         BOOTENV_BOOT_TARGETS \
288         \
289         "boot_extlinux="                                                  \
290                 "sysboot ${devtype} ${devnum}:${distro_bootpart} any "    \
291                         "${scriptaddr} ${prefix}extlinux/extlinux.conf\0" \
292         \
293         "scan_dev_for_extlinux="                                          \
294                 "if test -e ${devtype} "                                  \
295                                 "${devnum}:${distro_bootpart} "           \
296                                 "${prefix}extlinux/extlinux.conf; then "  \
297                         "echo Found ${prefix}extlinux/extlinux.conf; "    \
298                         "run boot_extlinux; "                             \
299                         "echo SCRIPT FAILED: continuing...; "             \
300                 "fi\0"                                                    \
301         \
302         "boot_a_script="                                                  \
303                 "load ${devtype} ${devnum}:${distro_bootpart} "           \
304                         "${scriptaddr} ${prefix}${script}; "              \
305                 "source ${scriptaddr}\0"                                  \
306         \
307         "scan_dev_for_scripts="                                           \
308                 "for script in ${boot_scripts}; do "                      \
309                         "if test -e ${devtype} "                          \
310                                         "${devnum}:${distro_bootpart} "   \
311                                         "${prefix}${script}; then "       \
312                                 "echo Found U-Boot script "               \
313                                         "${prefix}${script}; "            \
314                                 "run boot_a_script; "                     \
315                                 "echo SCRIPT FAILED: continuing...; "     \
316                         "fi; "                                            \
317                 "done\0"                                                  \
318         \
319         "scan_dev_for_boot="                                              \
320                 "echo Scanning ${devtype} "                               \
321                                 "${devnum}:${distro_bootpart}...; "       \
322                 "for prefix in ${boot_prefixes}; do "                     \
323                         "run scan_dev_for_extlinux; "                     \
324                         "run scan_dev_for_scripts; "                      \
325                 "done;"                                                   \
326                 SCAN_DEV_FOR_EFI                                          \
327                 "\0"                                                      \
328         \
329         "scan_dev_for_boot_part="                                         \
330                 "part list ${devtype} ${devnum} -bootable devplist; "     \
331                 "env exists devplist || setenv devplist 1; "              \
332                 "for distro_bootpart in ${devplist}; do "                 \
333                         "if fstype ${devtype} "                           \
334                                         "${devnum}:${distro_bootpart} "   \
335                                         "bootfstype; then "               \
336                                 "run scan_dev_for_boot; "                 \
337                         "fi; "                                            \
338                 "done\0"                                                  \
339         \
340         BOOT_TARGET_DEVICES(BOOTENV_DEV)                                  \
341         \
342         "distro_bootcmd=" BOOTENV_SET_SCSI_NEED_INIT                      \
343                 "for target in ${boot_targets}; do "                      \
344                         "run bootcmd_${target}; "                         \
345                 "done\0"
346
347 #ifndef CONFIG_BOOTCOMMAND
348 #define CONFIG_BOOTCOMMAND "run distro_bootcmd"
349 #endif
350
351 #endif  /* _CONFIG_CMD_DISTRO_BOOTCMD_H */