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