siemens-env-common.h
5.26 KB
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
/* 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