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 #if defined(CONFIG_EFI_LOADER)
 234 #if defined(CONFIG_ARM64)
 235 #define BOOTENV_EFI_PXE_ARCH "0xb"
 236 #define BOOTENV_EFI_PXE_VCI "PXEClient:Arch:00011:UNDI:003000"
 237 #elif defined(CONFIG_ARM)
 238 #define BOOTENV_EFI_PXE_ARCH "0xa"
 239 #define BOOTENV_EFI_PXE_VCI "PXEClient:Arch:00010:UNDI:003000"
 240 #elif defined(CONFIG_X86)
 241 /* Always assume we're running 64bit */
 242 #define BOOTENV_EFI_PXE_ARCH "0x7"
 243 #define BOOTENV_EFI_PXE_VCI "PXEClient:Arch:00007:UNDI:003000"
 244 #else
 245 #error Please specify an EFI client identifier
 246 #endif
 247
 248 /*
 249  * Ask the dhcp server for an EFI binary. If we get one, check for a
 250  * device tree in the same folder. Then boot everything. If the file was
 251  * not an EFI binary, we just return from the bootefi command and continue.
 252  */
 253 #define BOOTENV_EFI_RUN_DHCP \
 254         "setenv efi_fdtfile ${fdtfile}; "                                 \
 255         BOOTENV_EFI_SET_FDTFILE_FALLBACK                                  \
 256         "setenv efi_old_vci ${bootp_vci};"                                \
 257         "setenv efi_old_arch ${bootp_arch};"                              \
 258         "setenv bootp_vci " BOOTENV_EFI_PXE_VCI ";"                       \
 259         "setenv bootp_arch " BOOTENV_EFI_PXE_ARCH ";"                     \
 260         "if dhcp ${kernel_addr_r}; then "                                 \
 261                 "tftpboot ${fdt_addr_r} dtb/${efi_fdtfile};"              \
 262                 "if fdt addr ${fdt_addr_r}; then "                        \
 263                         "bootefi ${kernel_addr_r} ${fdt_addr_r}; "        \
 264                 "else "                                                   \
 265                         "bootefi ${kernel_addr_r} ${fdtcontroladdr};"     \
 266                 "fi;"                                                     \
 267         "fi;"                                                             \
 268         "setenv bootp_vci ${efi_old_vci};"                                \
 269         "setenv bootp_arch ${efi_old_arch};"                              \
 270         "setenv efi_fdtfile;"                                             \
 271         "setenv efi_old_arch;"                                            \
 272         "setenv efi_old_vci;"
 273 #else
 274 #define BOOTENV_EFI_RUN_DHCP
 275 #endif
 276 #define BOOTENV_DEV_DHCP(devtypeu, devtypel, instance) \
 277         "bootcmd_dhcp=" \
 278                 BOOTENV_RUN_NET_USB_START \
 279                 BOOTENV_RUN_NET_PCI_ENUM \
 280                 "if dhcp ${scriptaddr} ${boot_script_dhcp}; then " \
 281                         "source ${scriptaddr}; " \
 282                 "fi;" \
 283                 BOOTENV_EFI_RUN_DHCP \
 284                 "\0"
 285 #define BOOTENV_DEV_NAME_DHCP(devtypeu, devtypel, instance) \
 286         "dhcp "
 287 #else
 288 #define BOOTENV_DEV_DHCP \
 289         BOOT_TARGET_DEVICES_references_DHCP_without_CONFIG_CMD_DHCP
 290 #define BOOTENV_DEV_NAME_DHCP \
 291         BOOT_TARGET_DEVICES_references_DHCP_without_CONFIG_CMD_DHCP
 292 #endif
 293
 294 #if defined(CONFIG_CMD_DHCP) && defined(CONFIG_CMD_PXE)
 295 #define BOOTENV_DEV_PXE(devtypeu, devtypel, instance) \
 296         "bootcmd_pxe=" \
 297                 BOOTENV_RUN_NET_USB_START \
 298                 BOOTENV_RUN_NET_PCI_ENUM \
 299                 "dhcp; " \
 300                 "if pxe get; then " \
 301                         "pxe boot; " \
 302                 "fi\0"
 303 #define BOOTENV_DEV_NAME_PXE(devtypeu, devtypel, instance) \
 304         "pxe "
 305 #else
 306 #define BOOTENV_DEV_PXE \
 307         BOOT_TARGET_DEVICES_references_PXE_without_CONFIG_CMD_DHCP_or_PXE
 308 #define BOOTENV_DEV_NAME_PXE \
 309         BOOT_TARGET_DEVICES_references_PXE_without_CONFIG_CMD_DHCP_or_PXE
 310 #endif
 311
 312 #define BOOTENV_DEV_NAME(devtypeu, devtypel, instance) \
 313         BOOTENV_DEV_NAME_##devtypeu(devtypeu, devtypel, instance)
 314 #define BOOTENV_BOOT_TARGETS \
 315         "boot_targets=" BOOT_TARGET_DEVICES(BOOTENV_DEV_NAME) "\0"
 316
 317 #define BOOTENV_DEV(devtypeu, devtypel, instance) \
 318         BOOTENV_DEV_##devtypeu(devtypeu, devtypel, instance)
 319 #define BOOTENV \
 320         BOOTENV_SHARED_HOST \
 321         BOOTENV_SHARED_MMC \
 322         BOOTENV_SHARED_PCI \
 323         BOOTENV_SHARED_USB \
 324         BOOTENV_SHARED_SATA \
 325         BOOTENV_SHARED_SCSI \
 326         BOOTENV_SHARED_IDE \
 327         BOOTENV_SHARED_UBIFS \
 328         BOOTENV_SHARED_EFI \
 329         "boot_prefixes=/ /boot/\0" \
 330         "boot_scripts=boot.scr.uimg boot.scr\0" \
 331         "boot_script_dhcp=boot.scr.uimg\0" \
 332         BOOTENV_BOOT_TARGETS \
 333         \
 334         "boot_extlinux="                                                  \
 335                 "sysboot ${devtype} ${devnum}:${distro_bootpart} any "    \
 336                         "${scriptaddr} ${prefix}extlinux/extlinux.conf\0" \
 337         \
 338         "scan_dev_for_extlinux="                                          \
 339                 "if test -e ${devtype} "                                  \
 340                                 "${devnum}:${distro_bootpart} "           \
 341                                 "${prefix}extlinux/extlinux.conf; then "  \
 342                         "echo Found ${prefix}extlinux/extlinux.conf; "    \
 343                         "run boot_extlinux; "                             \
 344                         "echo SCRIPT FAILED: continuing...; "             \
 345                 "fi\0"                                                    \
 346         \
 347         "boot_a_script="                                                  \
 348                 "load ${devtype} ${devnum}:${distro_bootpart} "           \
 349                         "${scriptaddr} ${prefix}${script}; "              \
 350                 "source ${scriptaddr}\0"                                  \
 351         \
 352         "scan_dev_for_scripts="                                           \
 353                 "for script in ${boot_scripts}; do "                      \
 354                         "if test -e ${devtype} "                          \
 355                                         "${devnum}:${distro_bootpart} "   \
 356                                         "${prefix}${script}; then "       \
 357                                 "echo Found U-Boot script "               \
 358                                         "${prefix}${script}; "            \
 359                                 "run boot_a_script; "                     \
 360                                 "echo SCRIPT FAILED: continuing...; "     \
 361                         "fi; "                                            \
 362                 "done\0"                                                  \
 363         \
 364         "scan_dev_for_boot="                                              \
 365                 "echo Scanning ${devtype} "                               \
 366                                 "${devnum}:${distro_bootpart}...; "       \
 367                 "for prefix in ${boot_prefixes}; do "                     \
 368                         "run scan_dev_for_extlinux; "                     \
 369                         "run scan_dev_for_scripts; "                      \
 370                 "done;"                                                   \
 371                 SCAN_DEV_FOR_EFI                                          \
 372                 "\0"                                                      \
 373         \
 374         "scan_dev_for_boot_part="                                         \
 375                 "part list ${devtype} ${devnum} -bootable devplist; "     \
 376                 "env exists devplist || setenv devplist 1; "              \
 377                 "for distro_bootpart in ${devplist}; do "                 \
 378                         "if fstype ${devtype} "                           \
 379                                         "${devnum}:${distro_bootpart} "   \
 380                                         "bootfstype; then "               \
 381                                 "run scan_dev_for_boot; "                 \
 382                         "fi; "                                            \
 383                 "done\0"                                                  \
 384         \
 385         BOOT_TARGET_DEVICES(BOOTENV_DEV)                                  \
 386         \
 387         "distro_bootcmd=" BOOTENV_SET_SCSI_NEED_INIT                      \
 388                 "for target in ${boot_targets}; do "                      \
 389                         "run bootcmd_${target}; "                         \
 390                 "done\0"
 391
 392 #ifndef CONFIG_BOOTCOMMAND
 393 #define CONFIG_BOOTCOMMAND "run distro_bootcmd"
 394 #endif
 395
 396 #endif  /* _CONFIG_CMD_DISTRO_BOOTCMD_H */