projects / thirdparty / u-boot.git / blame
| Commit | Line | Data |
|---|---|---|
| 83d290c5 | 1 | # SPDX-License-Identifier: GPL-2.0+ |
| b04ff9bf LM |
2 | # |
| 3 | # Copyright (C) 2018 | |
| 4 | # Lukasz Majewski, DENX Software Engineering, lukma@denx.de | |
| b04ff9bf LM |
5 | # This is an example file to generate boot.scr - a boot script for U-Boot |
| 6 | # Generate boot.scr: | |
| 7 | # ./tools/mkimage -c none -A arm -T script -d tpcboot.cmd boot.scr | |
| 8 | # | |
| b04ff9bf LM |
9 | |
| 10 | ||
| 11 | # Input envs (to be set in environment) | |
| 12 | # Mandatory: | |
| 13 | # kernel_file = "fitImage" | |
| 14 | # boardname = "XXXX" // set automatically in u-boot | |
| 15 | # boardsoc = "imx6q" // set automatically in u-boot | |
| 16 | # | |
| 17 | # Optional: | |
| 18 | # bootcmd_force = "nfs" "tftp_kernel" | |
| 19 | # If not set - eMMC/SD boot | |
| 20 | ||
| 21 | # Generic setup | |
| 22 | setenv mmcroot "/dev/mmcblk${devnum}p2 rootwait rw" | |
| 23 | setenv displayargs "" | |
| 24 | setenv mmcargs "setenv bootargs console=${console} ${smp} root=${mmcroot} \ | |
| 25 | ${displayargs}" | |
| 26 | setenv boot_fitImage " | |
| 27 | setenv fdt_conf 'conf@${boardsoc}-${boardname}.dtb'; | |
| 28 | setenv itbcfg "\"#\${fdt_conf}\""; | |
| 29 | print itbcfg; | |
| 30 | bootm '${loadaddr}${itbcfg}';" | |
| 31 | ||
| 32 | #------------------------------------------------------------ | |
| 33 | # | |
| 34 | # Provide default 'bootcmd' command | |
| 35 | #------------------------------------------------------------ | |
| 36 | setenv bootcmd " | |
| 37 | if test -e ${devtype} ${devnum}:${distro_bootpart} ${kernel_file}; then | |
| 38 | echo Found kernel image: ${kernel_file}; | |
| 39 | if load ${devtype} ${devnum}:${distro_bootpart} ${loadaddr} \ | |
| 40 | ${kernel_file}; then | |
| 41 | run mmcargs; | |
| 42 | run boot_fitImage; | |
| 43 | fi; | |
| 44 | fi;" | |
| 45 | ||
| 46 | #------------------------------------------------------------ | |
| 47 | # | |
| 48 | # Provide 'boot_tftp_kernel' command | |
| 49 | #------------------------------------------------------------ | |
| 50 | setenv download_kernel "tftpboot ${loadaddr} ${kernel_file}" | |
| 51 | ||
| 52 | setenv boot_tftp_kernel " | |
| 53 | if run download_kernel; then | |
| 54 | run mmcargs; | |
| 55 | run boot_fitImage; | |
| 56 | fi" | |
| 57 | ||
| 58 | #------------------------------------------------------------ | |
| 59 | # | |
| 60 | # Provide 'boot_nfs' command | |
| 61 | #------------------------------------------------------------ | |
| 62 | setenv rootpath "/srv/tftp/KP/rootfs" | |
| 63 | setenv nfsargs "setenv bootargs root=/dev/nfs rw \ | |
| 64 | nfsroot=${serverip}:${rootpath},nolock,nfsvers=3" | |
| 65 | setenv addip "setenv bootargs ${bootargs} \ | |
| 66 | ip=${ipaddr}:${serverip}:${gatewayip}:${netmask}:\ | |
| 67 | ${hostname}:eth0:on" | |
| 68 | ||
| 69 | setenv boot_nfs " | |
| 70 | if run download_kernel; then | |
| 71 | run nfsargs; | |
| 72 | run addip; | |
| 73 | setenv bootargs ${bootargs} console=${console}; | |
| 74 | ||
| 75 | run boot_fitImage; | |
| 76 | fi" | |
| 77 | ||
| 78 | #------------------------------------------------------------ | |
| 79 | # | |
| 80 | # Set correct boot flow | |
| 81 | #------------------------------------------------------------ | |
| 82 | ||
| 83 | setenv bcmd " | |
| 84 | if test ! -n ${bootcmd_force}; then | |
| 85 | run bootcmd; | |
| 86 | fi; | |
| 87 | if test ${bootcmd_force} = nfs; then | |
| 88 | run boot_nfs; | |
| 89 | else if test ${bootcmd_force} = tftp_kernel; then | |
| 90 | run boot_tftp_kernel; | |
| 91 | fi; | |
| 92 | fi" | |
| 93 | ||
| 94 | run bcmd |