3 * NVIDIA Corporation <www.nvidia.com>
5 * Copyright 2014 Red Hat, Inc.
7 * SPDX-License-Identifier: GPL-2.0+
10 #ifndef _CONFIG_CMD_DISTRO_BOOTCMD_H
11 #define _CONFIG_CMD_DISTRO_BOOTCMD_H
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.
29 /* We need the part command */
30 #define CONFIG_PARTITION_UUIDS
31 #define CONFIG_CMD_PART
33 #define BOOTENV_SHARED_BLKDEV_BODY(devtypel) \
34 "if " #devtypel " dev ${devnum}; then " \
35 "setenv devtype " #devtypel "; " \
36 "run scan_dev_for_boot_part; " \
39 #define BOOTENV_SHARED_BLKDEV(devtypel) \
41 BOOTENV_SHARED_BLKDEV_BODY(devtypel)
43 #define BOOTENV_DEV_BLKDEV(devtypeu, devtypel, instance) \
44 "bootcmd_" #devtypel #instance "=" \
45 "setenv devnum " #instance "; " \
46 "run " #devtypel "_boot\0"
48 #define BOOTENV_DEV_NAME_BLKDEV(devtypeu, devtypel, instance) \
49 #devtypel #instance " "
52 #define BOOTENV_SHARED_HOST BOOTENV_SHARED_BLKDEV(host)
53 #define BOOTENV_DEV_HOST BOOTENV_DEV_BLKDEV
54 #define BOOTENV_DEV_NAME_HOST BOOTENV_DEV_NAME_BLKDEV
56 #define BOOTENV_SHARED_HOST
57 #define BOOTENV_DEV_HOST \
58 BOOT_TARGET_DEVICES_references_HOST_without_CONFIG_SANDBOX
59 #define BOOTENV_DEV_NAME_HOST \
60 BOOT_TARGET_DEVICES_references_HOST_without_CONFIG_SANDBOX
64 #define BOOTENV_SHARED_MMC BOOTENV_SHARED_BLKDEV(mmc)
65 #define BOOTENV_DEV_MMC BOOTENV_DEV_BLKDEV
66 #define BOOTENV_DEV_NAME_MMC BOOTENV_DEV_NAME_BLKDEV
68 #define BOOTENV_SHARED_MMC
69 #define BOOTENV_DEV_MMC \
70 BOOT_TARGET_DEVICES_references_MMC_without_CONFIG_CMD_MMC
71 #define BOOTENV_DEV_NAME_MMC \
72 BOOT_TARGET_DEVICES_references_MMC_without_CONFIG_CMD_MMC
75 #ifdef CONFIG_CMD_UBIFS
76 #define BOOTENV_SHARED_UBIFS \
78 "if ubi part UBI && ubifsmount ubi${devnum}:boot; then " \
79 "setenv devtype ubi; " \
80 "setenv bootpart 0; " \
81 "run scan_dev_for_boot; " \
83 #define BOOTENV_DEV_UBIFS BOOTENV_DEV_BLKDEV
84 #define BOOTENV_DEV_NAME_UBIFS BOOTENV_DEV_NAME_BLKDEV
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
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"
102 #define BOOTENV_SHARED_EFI \
104 "load ${devtype} ${devnum}:${distro_bootpart} " \
105 "${kernel_addr_r} efi/boot/"BOOTEFI_NAME"; " \
106 "bootefi ${kernel_addr_r}\0" \
109 "load ${devtype} ${devnum}:${distro_bootpart} " \
110 "${fdt_addr_r} ${prefix}${fdt_name}; " \
111 "fdt addr ${fdt_addr_r}\0" \
113 "efi_dtb_prefixes=/ /dtb/ /dtb/current/\0" \
114 "scan_dev_for_efi=" \
115 "for prefix in ${efi_dtb_prefixes}; do " \
116 "if test -e ${devtype} " \
117 "${devnum}:${distro_bootpart} " \
118 "${prefix}${fdt_name}; then " \
119 "run load_efi_dtb; " \
122 "if test -e ${devtype} ${devnum}:${distro_bootpart} " \
123 "efi/boot/"BOOTEFI_NAME"; then " \
124 "echo Found EFI removable media binary " \
125 "efi/boot/"BOOTEFI_NAME"; " \
126 "run boot_efi_binary; " \
127 "echo EFI LOAD FAILED: continuing...; " \
129 #define SCAN_DEV_FOR_EFI "run scan_dev_for_efi;"
131 #define BOOTENV_SHARED_EFI
132 #define SCAN_DEV_FOR_EFI
135 #ifdef CONFIG_CMD_SATA
136 #define BOOTENV_SHARED_SATA BOOTENV_SHARED_BLKDEV(sata)
137 #define BOOTENV_DEV_SATA BOOTENV_DEV_BLKDEV
138 #define BOOTENV_DEV_NAME_SATA BOOTENV_DEV_NAME_BLKDEV
140 #define BOOTENV_SHARED_SATA
141 #define BOOTENV_DEV_SATA \
142 BOOT_TARGET_DEVICES_references_SATA_without_CONFIG_CMD_SATA
143 #define BOOTENV_DEV_NAME_SATA \
144 BOOT_TARGET_DEVICES_references_SATA_without_CONFIG_CMD_SATA
147 #ifdef CONFIG_CMD_SCSI
148 #define BOOTENV_RUN_SCSI_INIT "run scsi_init; "
149 #define BOOTENV_SET_SCSI_NEED_INIT "setenv scsi_need_init; "
150 #define BOOTENV_SHARED_SCSI \
152 "if ${scsi_need_init}; then " \
153 "setenv scsi_need_init false; " \
158 BOOTENV_RUN_SCSI_INIT \
159 BOOTENV_SHARED_BLKDEV_BODY(scsi)
160 #define BOOTENV_DEV_SCSI BOOTENV_DEV_BLKDEV
161 #define BOOTENV_DEV_NAME_SCSI BOOTENV_DEV_NAME_BLKDEV
163 #define BOOTENV_RUN_SCSI_INIT
164 #define BOOTENV_SET_SCSI_NEED_INIT
165 #define BOOTENV_SHARED_SCSI
166 #define BOOTENV_DEV_SCSI \
167 BOOT_TARGET_DEVICES_references_SCSI_without_CONFIG_CMD_SCSI
168 #define BOOTENV_DEV_NAME_SCSI \
169 BOOT_TARGET_DEVICES_references_SCSI_without_CONFIG_CMD_SCSI
172 #ifdef CONFIG_CMD_IDE
173 #define BOOTENV_SHARED_IDE BOOTENV_SHARED_BLKDEV(ide)
174 #define BOOTENV_DEV_IDE BOOTENV_DEV_BLKDEV
175 #define BOOTENV_DEV_NAME_IDE BOOTENV_DEV_NAME_BLKDEV
177 #define BOOTENV_SHARED_IDE
178 #define BOOTENV_DEV_IDE \
179 BOOT_TARGET_DEVICES_references_IDE_without_CONFIG_CMD_IDE
180 #define BOOTENV_DEV_NAME_IDE \
181 BOOT_TARGET_DEVICES_references_IDE_without_CONFIG_CMD_IDE
184 #if defined(CONFIG_CMD_PCI_ENUM) || defined(CONFIG_DM_PCI)
185 #define BOOTENV_RUN_NET_PCI_ENUM "run boot_net_pci_enum; "
186 #define BOOTENV_SHARED_PCI \
187 "boot_net_pci_enum=pci enum\0"
189 #define BOOTENV_RUN_NET_PCI_ENUM
190 #define BOOTENV_SHARED_PCI
193 #ifdef CONFIG_CMD_USB
194 #define BOOTENV_RUN_NET_USB_START "run boot_net_usb_start; "
195 #define BOOTENV_SHARED_USB \
196 "boot_net_usb_start=usb start\0" \
199 BOOTENV_SHARED_BLKDEV_BODY(usb)
200 #define BOOTENV_DEV_USB BOOTENV_DEV_BLKDEV
201 #define BOOTENV_DEV_NAME_USB BOOTENV_DEV_NAME_BLKDEV
203 #define BOOTENV_RUN_NET_USB_START
204 #define BOOTENV_SHARED_USB
205 #define BOOTENV_DEV_USB \
206 BOOT_TARGET_DEVICES_references_USB_without_CONFIG_CMD_USB
207 #define BOOTENV_DEV_NAME_USB \
208 BOOT_TARGET_DEVICES_references_USB_without_CONFIG_CMD_USB
211 #if defined(CONFIG_CMD_DHCP)
212 #define BOOTENV_DEV_DHCP(devtypeu, devtypel, instance) \
214 BOOTENV_RUN_NET_USB_START \
215 BOOTENV_RUN_NET_PCI_ENUM \
216 "if dhcp ${scriptaddr} ${boot_script_dhcp}; then " \
217 "source ${scriptaddr}; " \
219 #define BOOTENV_DEV_NAME_DHCP(devtypeu, devtypel, instance) \
222 #define BOOTENV_DEV_DHCP \
223 BOOT_TARGET_DEVICES_references_DHCP_without_CONFIG_CMD_DHCP
224 #define BOOTENV_DEV_NAME_DHCP \
225 BOOT_TARGET_DEVICES_references_DHCP_without_CONFIG_CMD_DHCP
228 #if defined(CONFIG_CMD_DHCP) && defined(CONFIG_CMD_PXE)
229 #define BOOTENV_DEV_PXE(devtypeu, devtypel, instance) \
231 BOOTENV_RUN_NET_USB_START \
232 BOOTENV_RUN_NET_PCI_ENUM \
234 "if pxe get; then " \
237 #define BOOTENV_DEV_NAME_PXE(devtypeu, devtypel, instance) \
240 #define BOOTENV_DEV_PXE \
241 BOOT_TARGET_DEVICES_references_PXE_without_CONFIG_CMD_DHCP_or_PXE
242 #define BOOTENV_DEV_NAME_PXE \
243 BOOT_TARGET_DEVICES_references_PXE_without_CONFIG_CMD_DHCP_or_PXE
246 #define BOOTENV_DEV_NAME(devtypeu, devtypel, instance) \
247 BOOTENV_DEV_NAME_##devtypeu(devtypeu, devtypel, instance)
248 #define BOOTENV_BOOT_TARGETS \
249 "boot_targets=" BOOT_TARGET_DEVICES(BOOTENV_DEV_NAME) "\0"
251 #define BOOTENV_DEV(devtypeu, devtypel, instance) \
252 BOOTENV_DEV_##devtypeu(devtypeu, devtypel, instance)
254 BOOTENV_SHARED_HOST \
258 BOOTENV_SHARED_SATA \
259 BOOTENV_SHARED_SCSI \
261 BOOTENV_SHARED_UBIFS \
263 "boot_prefixes=/ /boot/\0" \
264 "boot_scripts=boot.scr.uimg boot.scr\0" \
265 "boot_script_dhcp=boot.scr.uimg\0" \
266 BOOTENV_BOOT_TARGETS \
269 "sysboot ${devtype} ${devnum}:${distro_bootpart} any " \
270 "${scriptaddr} ${prefix}extlinux/extlinux.conf\0" \
272 "scan_dev_for_extlinux=" \
273 "if test -e ${devtype} " \
274 "${devnum}:${distro_bootpart} " \
275 "${prefix}extlinux/extlinux.conf; then " \
276 "echo Found ${prefix}extlinux/extlinux.conf; " \
277 "run boot_extlinux; " \
278 "echo SCRIPT FAILED: continuing...; " \
282 "load ${devtype} ${devnum}:${distro_bootpart} " \
283 "${scriptaddr} ${prefix}${script}; " \
284 "source ${scriptaddr}\0" \
286 "scan_dev_for_scripts=" \
287 "for script in ${boot_scripts}; do " \
288 "if test -e ${devtype} " \
289 "${devnum}:${distro_bootpart} " \
290 "${prefix}${script}; then " \
291 "echo Found U-Boot script " \
292 "${prefix}${script}; " \
293 "run boot_a_script; " \
294 "echo SCRIPT FAILED: continuing...; " \
298 "scan_dev_for_boot=" \
299 "echo Scanning ${devtype} " \
300 "${devnum}:${distro_bootpart}...; " \
301 "for prefix in ${boot_prefixes}; do " \
302 "run scan_dev_for_extlinux; " \
303 "run scan_dev_for_scripts; " \
308 "scan_dev_for_boot_part=" \
309 "part list ${devtype} ${devnum} -bootable devplist; " \
310 "env exists devplist || setenv devplist 1; " \
311 "for distro_bootpart in ${devplist}; do " \
312 "if fstype ${devtype} " \
313 "${devnum}:${distro_bootpart} " \
314 "bootfstype; then " \
315 "run scan_dev_for_boot; " \
319 BOOT_TARGET_DEVICES(BOOTENV_DEV) \
321 "distro_bootcmd=" BOOTENV_SET_SCSI_NEED_INIT \
322 "for target in ${boot_targets}; do " \
323 "run bootcmd_${target}; " \
326 #ifndef CONFIG_BOOTCOMMAND
327 #define CONFIG_BOOTCOMMAND "run distro_bootcmd"
330 #endif /* _CONFIG_CMD_DISTRO_BOOTCMD_H */