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
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
|
/* SPDX-License-Identifier: GPL-2.0+ */
/*
* Boot related environment variable definitions on TI boards.
*
* (C) Copyright 2017 Linaro Ltd.
* Sam Protsenko <semen.protsenko@linaro.org>
*/
#ifndef __TI_BOOT_H
#define __TI_BOOT_H
#ifndef CONSOLEDEV
#define CONSOLEDEV "ttyS2"
#endif
#define VBMETA_PART_SIZE (64 * 1024)
#if defined(CONFIG_LIBAVB)
#define VBMETA_PART \
"name=vbmeta,size=" __stringify(VBMETA_PART_SIZE) \
",uuid=${uuid_gpt_vbmeta};"
#else
#define VBMETA_PART ""
#endif
#if defined(CONFIG_CMD_AB_SELECT)
#define COMMON_PARTS \
"name=boot_a,size=20M,uuid=${uuid_gpt_boot_a};" \
"name=boot_b,size=20M,uuid=${uuid_gpt_boot_b};" \
"name=system_a,size=1024M,uuid=${uuid_gpt_system_a};" \
"name=system_b,size=1024M,uuid=${uuid_gpt_system_b};"
#else
#define COMMON_PARTS \
"name=boot,size=20M,uuid=${uuid_gpt_boot};" \
"name=system,size=1024M,uuid=${uuid_gpt_system};"
#endif
#ifndef PARTS_DEFAULT
/* Define the default GPT table for eMMC */
#define PARTS_DEFAULT \
/* Linux partitions */ \
"uuid_disk=${uuid_gpt_disk};" \
"name=bootloader,start=384K,size=1792K,uuid=${uuid_gpt_bootloader};" \
"name=rootfs,start=2688K,size=-,uuid=${uuid_gpt_rootfs}\0" \
/* Android partitions */ \
"partitions_android=" \
"uuid_disk=${uuid_gpt_disk};" \
"name=xloader,start=128K,size=256K,uuid=${uuid_gpt_xloader};" \
"name=bootloader,size=2048K,uuid=${uuid_gpt_bootloader};" \
"name=uboot-env,start=2432K,size=256K,uuid=${uuid_gpt_reserved};" \
"name=misc,size=128K,uuid=${uuid_gpt_misc};" \
"name=recovery,size=40M,uuid=${uuid_gpt_recovery};" \
COMMON_PARTS \
"name=vendor,size=256M,uuid=${uuid_gpt_vendor};" \
VBMETA_PART \
"name=userdata,size=-,uuid=${uuid_gpt_userdata}"
#endif /* PARTS_DEFAULT */
#if defined(CONFIG_CMD_AVB)
#define AVB_VERIFY_CHECK "if run avb_verify; then " \
"echo AVB verification OK.;" \
"set bootargs $bootargs $avb_bootargs;" \
"else " \
"echo AVB verification failed.;" \
"exit; fi;"
#define AVB_VERIFY_CMD "avb_verify=avb init 1; avb verify;\0"
#else
#define AVB_VERIFY_CHECK ""
#define AVB_VERIFY_CMD ""
#endif
#define CONTROL_PARTITION "misc"
#if defined(CONFIG_CMD_AB_SELECT)
#define AB_SELECT \
"if part number mmc 1 " CONTROL_PARTITION " control_part_number; " \
"then " \
"echo " CONTROL_PARTITION \
" partition number:${control_part_number};" \
"ab_select slot_name mmc ${mmcdev}:${control_part_number};" \
"else " \
"echo " CONTROL_PARTITION " partition not found;" \
"exit;" \
"fi;" \
"setenv slot_suffix _${slot_name};" \
"if part number mmc ${mmcdev} system${slot_suffix} " \
"system_part_number; then " \
"setenv bootargs_ab " \
"ro root=/dev/mmcblk${mmcdev}p${system_part_number} " \
"rootwait init=/init skip_initramfs " \
"androidboot.slot_suffix=${slot_suffix};" \
"echo A/B cmdline addition: ${bootargs_ab};" \
"setenv bootargs ${bootargs} ${bootargs_ab};" \
"else " \
"echo system${slot_suffix} partition not found;" \
"fi;"
#else
#define AB_SELECT ""
#endif
#define FASTBOOT_CMD \
"echo Booting into fastboot ...; " \
"fastboot " __stringify(CONFIG_FASTBOOT_USB_DEV) "; "
#define DEFAULT_COMMON_BOOT_TI_ARGS \
"console=" CONSOLEDEV ",115200n8\0" \
"fdtfile=undefined\0" \
"bootpart=0:2\0" \
"bootdir=/boot\0" \
"bootfile=zImage\0" \
"usbtty=cdc_acm\0" \
"vram=16M\0" \
AVB_VERIFY_CMD \
"partitions=" PARTS_DEFAULT "\0" \
"optargs=\0" \
"dofastboot=0\0" \
"emmc_linux_boot=" \
"echo Trying to boot Linux from eMMC ...; " \
"setenv mmcdev 1; " \
"setenv bootpart 1:2; " \
"setenv mmcroot /dev/mmcblk0p2 rw; " \
"run mmcboot;\0" \
"emmc_android_boot=" \
"if bcb load " __stringify(CONFIG_FASTBOOT_FLASH_MMC_DEV) " " \
CONTROL_PARTITION "; then " \
"if bcb test command = bootonce-bootloader; then " \
"echo BCB: Bootloader boot...; " \
"bcb clear command; bcb store; " \
FASTBOOT_CMD \
"elif bcb test command = boot-recovery; then " \
"echo BCB: Recovery boot...; " \
"echo Warning: recovery is not implemented; " \
"echo Performing normal boot for now...; " \
"bcb clear command; bcb store; " \
"run emmc_android_normal_boot; " \
"else " \
"echo BCB: Normal boot requested...; " \
"run emmc_android_normal_boot; " \
"fi; " \
"else " \
"echo Warning: BCB is corrupted or does not exist; " \
"echo Performing normal boot...; " \
"run emmc_android_normal_boot; " \
"fi;\0" \
"emmc_android_normal_boot=" \
"echo Trying to boot Android from eMMC ...; " \
"run update_to_fit; " \
"setenv eval_bootargs setenv bootargs $bootargs; " \
"run eval_bootargs; " \
"setenv mmcdev 1; " \
"setenv machid fe6; " \
"mmc dev $mmcdev; " \
"mmc rescan; " \
AVB_VERIFY_CHECK \
AB_SELECT \
"if part start mmc ${mmcdev} boot${slot_suffix} boot_start; " \
"then " \
"part size mmc ${mmcdev} boot${slot_suffix} " \
"boot_size; " \
"mmc read ${loadaddr} ${boot_start} ${boot_size}; " \
"bootm ${loadaddr}#${fdtfile}; " \
"else " \
"echo boot${slot_suffix} partition not found; " \
"fi;\0"
#ifdef CONFIG_OMAP54XX
#define DEFAULT_FDT_TI_ARGS \
"findfdt="\
"if test $board_name = omap5_uevm; then " \
"setenv fdtfile omap5-uevm.dtb; fi; " \
"if test $board_name = dra7xx; then " \
"setenv fdtfile dra7-evm.dtb; fi;" \
"if test $board_name = dra72x-revc; then " \
"setenv fdtfile dra72-evm-revc.dtb; fi;" \
"if test $board_name = dra72x; then " \
"setenv fdtfile dra72-evm.dtb; fi;" \
"if test $board_name = dra71x; then " \
"setenv fdtfile dra71-evm.dtb; fi;" \
"if test $board_name = dra76x_acd; then " \
"setenv fdtfile dra76-evm.dtb; fi;" \
"if test $board_name = beagle_x15; then " \
"setenv fdtfile am57xx-beagle-x15.dtb; fi;" \
"if test $board_name = beagle_x15_revb1; then " \
"setenv fdtfile am57xx-beagle-x15-revb1.dtb; fi;" \
"if test $board_name = beagle_x15_revc; then " \
"setenv fdtfile am57xx-beagle-x15-revc.dtb; fi;" \
"if test $board_name = am572x_idk; then " \
"setenv fdtfile am572x-idk.dtb; fi;" \
"if test $board_name = am574x_idk; then " \
"setenv fdtfile am574x-idk.dtb; fi;" \
"if test $board_name = am57xx_evm; then " \
"setenv fdtfile am57xx-beagle-x15.dtb; fi;" \
"if test $board_name = am57xx_evm_reva3; then " \
"setenv fdtfile am57xx-beagle-x15.dtb; fi;" \
"if test $board_name = am571x_idk; then " \
"setenv fdtfile am571x-idk.dtb; fi;" \
"if test $fdtfile = undefined; then " \
"echo WARNING: Could not determine device tree to use; fi; \0"
#define CONFIG_BOOTCOMMAND \
"if test ${dofastboot} -eq 1; then " \
"echo Boot fastboot requested, resetting dofastboot ...;" \
"setenv dofastboot 0; saveenv;" \
FASTBOOT_CMD \
"fi;" \
"if test ${boot_fit} -eq 1; then " \
"run update_to_fit;" \
"fi;" \
"run findfdt; " \
"run envboot; " \
"run mmcboot;" \
"run emmc_linux_boot; " \
"run emmc_android_boot; " \
""
#endif /* CONFIG_OMAP54XX */
#endif /* __TI_BOOT_H */
|
