include/configs/siemens-env-common.h

   1 /* SPDX-License-Identifier: GPL-2.0+ */
   2
   3 /* Common env settings */
   4
   5 /** set_bootargs()
   6  * input:
   7  *      console:        string, tty, etc.
   8  *      baudrate:       string, tty baudrate
   9  *      testargs:       string
  10  *      optargs:        string
  11  * output:
  12  *      bootargs:       string, default boot string
  13  */
  14 #define ENV_BOOTARGS_DEFAULT "set_bootargs=" \
  15         "setenv bootargs " \
  16                 "console=${console} " \
  17                 "${testargs} " \
  18                 "${optargs}\0"
  19
  20 /** set_bootargs_net()
  21  * input:
  22  *      kernel_name:
  23  *      dtb_name:
  24  *      project_dir:
  25  * output:
  26  */
  27 #define ENV_NET_FCT_NETARGS "set_bootargs_net=" \
  28         "run set_bootargs;" \
  29         "setenv bootfile ${project_dir}/boot/${kernel_name};" \
  30         "setenv bootdtb ${project_dir}/boot/${dtb_name_nfs}.dtb;" \
  31         "setenv rootpath /home/projects/${project_dir}/;" \
  32         "setenv bootargs ${bootargs} " \
  33                 "root=/dev/nfs " \
  34                 "nfsroot=${serverip}:${rootpath},${nfsopts} " \
  35                 "ip=${ipaddr}:${serverip}:" \
  36                         "${gatewayip}:${netmask}:${hostname}:eth0:off\0"
  37
  38 /** net_nfs()
  39  * input:
  40  * output:
  41  */
  42 #define ENV_NET_FCT_BOOT "net_nfs=" \
  43         "echo Booting from network ...; " \
  44         "run set_bootargs_net; " \
  45         "tftpboot ${dtb_loadaddr} ${serverip}:${bootdtb};" \
  46         "if test $? -eq 1;" \
  47         "then " \
  48                 "echo Loading default.dtb!;" \
  49                 "tftpboot ${dtb_loadaddr} ${serverip}:${project_dir}/boot/${dtb_name_default}.dtb;" \
  50         "fi;" \
  51         "tftpboot ${kernel_loadaddr} ${serverip}:${bootfile};" \
  52         "printenv bootargs;" \
  53         "booti ${kernel_loadaddr} - ${dtb_loadaddr}\0"
  54
  55 /** check_update()
  56  * input:
  57  *      upgrade_available:      [0|1],  if set to 1 check bootcount variables
  58  *      bootcount:              int,    bootcount
  59  *      bootlimit:              int,    limit cootcount
  60  *      toggle_partition():     -       toggles active partition set
  61  * output:
  62  *      upgrade_available:      [0|1],  set to 0 if bootcount > bootlimit
  63  */
  64 #define ENV_FCT_CHECK_UPGRADE "check_upgrade="\
  65         "if test ${upgrade_available} -eq 1; " \
  66         "then " \
  67                 "echo  upgrade_available is set; " \
  68                 "if test ${bootcount} -gt ${bootlimit}; " \
  69                 "then " \
  70                         "setenv upgrade_available 0;" \
  71                         "echo toggle partition;" \
  72                         "run toggle_partition;" \
  73                 "fi;" \
  74         "fi;\0"
  75
  76 /** toggle_partition()
  77  * input:
  78  *      partitionset_active:    [A|B],  selected partition set
  79  * output:
  80  *      partitionset_active:    [A|B],  toggle
  81  */
  82 #define ENV_FCT_TOGGLE_PARTITION "toggle_partition="\
  83         "setenv ${partitionset_active} true;" \
  84         "if test -n ${A}; " \
  85         "then " \
  86                 "setenv partitionset_active B; " \
  87                 "env delete A; " \
  88         "fi;" \
  89         "if test -n ${B}; "\
  90         "then " \
  91                 "setenv partitionset_active A; " \
  92                 "env delete B; " \
  93         "fi;" \
  94         "saveenv\0"
  95
  96 /** set_partition()
  97  * input:
  98  *      partitionset_active:    [A|B],  selected partition set
  99  *      rootfs_name:            string, mmc device file in kernel, e.g. /dev/mmcblk0
 100  * output:
 101  *      mmc_active_vol: string, mmc partition device file in kernel, e.g. /dev/mmcblk0p2
 102  *      mmc_part_nr:            int,    partition number of mmc, e.g. /dev/mmcblk0p2 --> 2
 103  */
 104 #define ENV_EMMC_FCT_SET_ACTIVE_PARTITION "set_partition=" \
 105         "setenv ${partitionset_active} true;" \
 106         "if test -n ${A}; " \
 107         "then " \
 108                 "setenv mmc_part_nr 1;" \
 109         "fi;" \
 110         "if test -n ${B}; " \
 111         "then " \
 112                 "setenv mmc_part_nr 2;" \
 113         "fi;" \
 114         "setenv mmc_active_vol ${rootfs_name}p${mmc_part_nr} \0"
 115
 116 /** set_bootargs_mmc()
 117  * input:
 118  *      bootargs:               string, default bootargs
 119  *      mmc_active_vol          string, mmc partition device file in kernel, e.g. /dev/mmcblk0p2
 120  *      ip_method:              string, [none|?]
 121  * output:
 122  *      bootargs:               string
 123  */
 124 #define ENV_EMMC_FCT_SET_EMMC_BOOTARGS "set_bootargs_mmc=" \
 125         "setenv bootargs ${bootargs} " \
 126                 "root=${mmc_active_vol} rw " \
 127                 "rootdelay=1 rootwait " \
 128                 "rootfstype=ext4 " \
 129                 "ip=${ip_method} \0"
 130
 131 /** mmc_load_bootfiles()
 132  * input:
 133  *      mmc_part_nr:
 134  *      dtb_loadaddr:
 135  *      dtb_name:
 136  *      kernel_loadaddr:
 137  *      kernel_name:
 138  */
 139 #define ENV_EMMC_FCT_LOADFROM_EMMC "mmc_load_bootfiles=" \
 140         "echo Loading from eMMC ...;" \
 141         "ext4load mmc 0:${mmc_part_nr} ${dtb_loadaddr} boot/${dtb_name}.dtb;" \
 142         "if test $? -eq 1;" \
 143         "then " \
 144                 "echo Loading default.dtb!;" \
 145                 "ext4load mmc 0:${mmc_part_nr} ${dtb_loadaddr} boot/${dtb_name_default}.dtb;" \
 146         "fi;" \
 147         "ext4load mmc 0:${mmc_part_nr} ${kernel_loadaddr} boot/${kernel_name};" \
 148         "printenv bootargs;\0"
 149
 150 /** mmc_boot()
 151  * input:
 152  *      mmc_part_nr:
 153  *      dtb_loadaddr:
 154  *      dtb_name:
 155  *      kernel_loadaddr:
 156  *      kernel_name:
 157  */
 158 #define ENV_EMMC_FCT_EMMC_BOOT "mmc_boot=" \
 159         "run set_bootargs;" \
 160         "run check_upgrade; " \
 161         "run set_partition;" \
 162         "run set_bootargs_mmc;" \
 163         "run mmc_load_bootfiles;" \
 164         "echo Booting from eMMC ...; " \
 165         "booti ${kernel_loadaddr} - ${dtb_loadaddr} \0"
 166
 167 #define ENV_EMMC_ALIASES "" \
 168         "flash_self=run mmc_boot\0" \
 169         "flash_self_test=setenv testargs test; " \
 170                 "run mmc_boot\0"
 171
 172 #define ENV_COMMON "" \
 173         "project_dir=targetdir/rootfs\0" \
 174         "serverip=192.168.251.2\0" \
 175         "ipaddr=192.168.251.1\0" \
 176         "dtb_name_nfs=default\0" \
 177         "dtb_name_default=default\0" \
 178         "kernel_name=Image\0" \
 179         "partitionset_active=A\0" \
 180         "dtb_loadaddr=0x83000000\0" \
 181         "kernel_loadaddr=0x80280000\0" \
 182         "ip_method=none\0" \
 183         "rootfs_name=/dev/mmcblk0\0" \
 184         "upgrade_available=0\0" \
 185         "bootlimit=3\0" \
 186         "altbootcmd=run bootcmd\0" \
 187         "optargs=\0" \
 188
 189 /**********************************************************************/
 190
 191 #define ENV_EMMC        ENV_EMMC_FCT_EMMC_BOOT \
 192                         ENV_EMMC_FCT_LOADFROM_EMMC \
 193                         ENV_EMMC_FCT_SET_EMMC_BOOTARGS \
 194                         ENV_EMMC_FCT_SET_ACTIVE_PARTITION \
 195                         ENV_FCT_CHECK_UPGRADE \
 196                         ENV_EMMC_ALIASES \
 197                         ENV_FCT_TOGGLE_PARTITION
 198
 199 #define ENV_NET         ENV_NET_FCT_BOOT \
 200                         ENV_NET_FCT_NETARGS \
 201                         ENV_BOOTARGS_DEFAULT