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- /* SPDX-License-Identifier: GPL-2.0+ */
- /* Common env settings */
- /** set_bootargs()
- * input:
- * console: string, tty, etc.
- * baudrate: string, tty baudrate
- * testargs: string
- * optargs: string
- * output:
- * bootargs: string, default boot string
- */
- #define ENV_BOOTARGS_DEFAULT "set_bootargs=" \
- "setenv bootargs " \
- "console=${console} " \
- "${testargs} " \
- "${optargs}\0"
- /** set_bootargs_net()
- * input:
- * kernel_name:
- * dtb_name:
- * project_dir:
- * output:
- */
- #define ENV_NET_FCT_NETARGS "set_bootargs_net=" \
- "run set_bootargs;" \
- "setenv bootfile ${project_dir}/boot/${kernel_name};" \
- "setenv bootdtb ${project_dir}/boot/${dtb_name_nfs}.dtb;" \
- "setenv rootpath /home/projects/${project_dir}/;" \
- "setenv bootargs ${bootargs} " \
- "root=/dev/nfs " \
- "nfsroot=${serverip}:${rootpath},${nfsopts} " \
- "ip=${ipaddr}:${serverip}:" \
- "${gatewayip}:${netmask}:${hostname}:eth0:off\0"
- /** net_nfs()
- * input:
- * output:
- */
- #define ENV_NET_FCT_BOOT "net_nfs=" \
- "echo Booting from network ...; " \
- "run set_bootargs_net; " \
- "tftpboot ${dtb_loadaddr} ${serverip}:${bootdtb};" \
- "if test $? -eq 1;" \
- "then " \
- "echo Loading default.dtb!;" \
- "tftpboot ${dtb_loadaddr} ${serverip}:${project_dir}/boot/${dtb_name_default}.dtb;" \
- "fi;" \
- "tftpboot ${kernel_loadaddr} ${serverip}:${bootfile};" \
- "printenv bootargs;" \
- "booti ${kernel_loadaddr} - ${dtb_loadaddr}\0"
- /** check_update()
- * input:
- * upgrade_available: [0|1], if set to 1 check bootcount variables
- * bootcount: int, bootcount
- * bootlimit: int, limit cootcount
- * toggle_partition(): - toggles active partition set
- * output:
- * upgrade_available: [0|1], set to 0 if bootcount > bootlimit
- */
- #define ENV_FCT_CHECK_UPGRADE "check_upgrade="\
- "if test ${upgrade_available} -eq 1; " \
- "then " \
- "echo upgrade_available is set; " \
- "if test ${bootcount} -gt ${bootlimit}; " \
- "then " \
- "setenv upgrade_available 0;" \
- "echo toggle partition;" \
- "run toggle_partition;" \
- "fi;" \
- "fi;\0"
- /** toggle_partition()
- * input:
- * partitionset_active: [A|B], selected partition set
- * output:
- * partitionset_active: [A|B], toggle
- */
- #define ENV_FCT_TOGGLE_PARTITION "toggle_partition="\
- "setenv ${partitionset_active} true;" \
- "if test -n ${A}; " \
- "then " \
- "setenv partitionset_active B; " \
- "env delete A; " \
- "fi;" \
- "if test -n ${B}; "\
- "then " \
- "setenv partitionset_active A; " \
- "env delete B; " \
- "fi;" \
- "saveenv\0"
- /** set_partition()
- * input:
- * partitionset_active: [A|B], selected partition set
- * rootfs_name: string, mmc device file in kernel, e.g. /dev/mmcblk0
- * output:
- * mmc_active_vol: string, mmc partition device file in kernel, e.g. /dev/mmcblk0p2
- * mmc_part_nr: int, partition number of mmc, e.g. /dev/mmcblk0p2 --> 2
- */
- #define ENV_EMMC_FCT_SET_ACTIVE_PARTITION "set_partition=" \
- "setenv ${partitionset_active} true;" \
- "if test -n ${A}; " \
- "then " \
- "setenv mmc_part_nr 1;" \
- "fi;" \
- "if test -n ${B}; " \
- "then " \
- "setenv mmc_part_nr 2;" \
- "fi;" \
- "setenv mmc_active_vol ${rootfs_name}p${mmc_part_nr} \0"
- /** set_bootargs_mmc()
- * input:
- * bootargs: string, default bootargs
- * mmc_active_vol string, mmc partition device file in kernel, e.g. /dev/mmcblk0p2
- * ip_method: string, [none|?]
- * output:
- * bootargs: string
- */
- #define ENV_EMMC_FCT_SET_EMMC_BOOTARGS "set_bootargs_mmc=" \
- "setenv bootargs ${bootargs} " \
- "root=${mmc_active_vol} rw " \
- "rootdelay=1 rootwait " \
- "rootfstype=ext4 " \
- "ip=${ip_method} \0"
- /** mmc_load_bootfiles()
- * input:
- * mmc_part_nr:
- * dtb_loadaddr:
- * dtb_name:
- * kernel_loadaddr:
- * kernel_name:
- */
- #define ENV_EMMC_FCT_LOADFROM_EMMC "mmc_load_bootfiles=" \
- "echo Loading from eMMC ...;" \
- "ext4load mmc 0:${mmc_part_nr} ${dtb_loadaddr} boot/${dtb_name}.dtb;" \
- "if test $? -eq 1;" \
- "then " \
- "echo Loading default.dtb!;" \
- "ext4load mmc 0:${mmc_part_nr} ${dtb_loadaddr} boot/${dtb_name_default}.dtb;" \
- "fi;" \
- "ext4load mmc 0:${mmc_part_nr} ${kernel_loadaddr} boot/${kernel_name};" \
- "printenv bootargs;\0"
- /** mmc_boot()
- * input:
- * mmc_part_nr:
- * dtb_loadaddr:
- * dtb_name:
- * kernel_loadaddr:
- * kernel_name:
- */
- #define ENV_EMMC_FCT_EMMC_BOOT "mmc_boot=" \
- "run set_bootargs;" \
- "run check_upgrade; " \
- "run set_partition;" \
- "run set_bootargs_mmc;" \
- "run mmc_load_bootfiles;" \
- "echo Booting from eMMC ...; " \
- "booti ${kernel_loadaddr} - ${dtb_loadaddr} \0"
- #define ENV_EMMC_ALIASES "" \
- "flash_self=run mmc_boot\0" \
- "flash_self_test=setenv testargs test; " \
- "run mmc_boot\0"
- #define ENV_COMMON "" \
- "project_dir=targetdir/rootfs\0" \
- "serverip=192.168.251.2\0" \
- "ipaddr=192.168.251.1\0" \
- "dtb_name_nfs=default\0" \
- "dtb_name_default=default\0" \
- "kernel_name=Image\0" \
- "partitionset_active=A\0" \
- "dtb_loadaddr=0x83000000\0" \
- "kernel_loadaddr=0x80280000\0" \
- "ip_method=none\0" \
- "rootfs_name=/dev/mmcblk0\0" \
- "upgrade_available=0\0" \
- "bootlimit=3\0" \
- "altbootcmd=run bootcmd\0" \
- "optargs=\0" \
- /**********************************************************************/
- #define ENV_EMMC ENV_EMMC_FCT_EMMC_BOOT \
- ENV_EMMC_FCT_LOADFROM_EMMC \
- ENV_EMMC_FCT_SET_EMMC_BOOTARGS \
- ENV_EMMC_FCT_SET_ACTIVE_PARTITION \
- ENV_FCT_CHECK_UPGRADE \
- ENV_EMMC_ALIASES \
- ENV_FCT_TOGGLE_PARTITION
- #define ENV_NET ENV_NET_FCT_BOOT \
- ENV_NET_FCT_NETARGS \
- ENV_BOOTARGS_DEFAULT
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