1 /* SPDX-License-Identifier: GPL-2.0+ */
3 * Boot related environment variable definitions on TI boards.
5 * (C) Copyright 2017 Linaro Ltd.
6 * Sam Protsenko <semen.protsenko@linaro.org>
13 #define CONSOLEDEV "ttyS2"
16 #define VBMETA_PART_SIZE (64 * 1024)
18 #if defined(CONFIG_LIBAVB)
20 "name=vbmeta,size=" __stringify(VBMETA_PART_SIZE) \
21 ",uuid=${uuid_gpt_vbmeta};"
23 #define VBMETA_PART ""
26 #if defined(CONFIG_CMD_AB_SELECT)
27 #define COMMON_PARTS \
28 "name=boot_a,size=20M,uuid=${uuid_gpt_boot_a};" \
29 "name=boot_b,size=20M,uuid=${uuid_gpt_boot_b};" \
30 "name=system_a,size=1024M,uuid=${uuid_gpt_system_a};" \
31 "name=system_b,size=1024M,uuid=${uuid_gpt_system_b};"
33 #define COMMON_PARTS \
34 "name=boot,size=20M,uuid=${uuid_gpt_boot};" \
35 "name=system,size=1024M,uuid=${uuid_gpt_system};"
39 /* Define the default GPT table for eMMC */
40 #define PARTS_DEFAULT \
41 /* Linux partitions */ \
42 "uuid_disk=${uuid_gpt_disk};" \
43 "name=bootloader,start=384K,size=1792K,uuid=${uuid_gpt_bootloader};" \
44 "name=rootfs,start=2688K,size=-,uuid=${uuid_gpt_rootfs}\0" \
45 /* Android partitions */ \
46 "partitions_android=" \
47 "uuid_disk=${uuid_gpt_disk};" \
48 "name=xloader,start=128K,size=256K,uuid=${uuid_gpt_xloader};" \
49 "name=bootloader,size=2048K,uuid=${uuid_gpt_bootloader};" \
50 "name=uboot-env,start=2432K,size=256K,uuid=${uuid_gpt_reserved};" \
51 "name=misc,size=128K,uuid=${uuid_gpt_misc};" \
52 "name=recovery,size=40M,uuid=${uuid_gpt_recovery};" \
54 "name=vendor,size=256M,uuid=${uuid_gpt_vendor};" \
56 "name=userdata,size=-,uuid=${uuid_gpt_userdata}"
57 #endif /* PARTS_DEFAULT */
59 #if defined(CONFIG_CMD_AVB)
60 #define AVB_VERIFY_CHECK "if run avb_verify; then " \
61 "echo AVB verification OK.;" \
62 "set bootargs $bootargs $avb_bootargs;" \
64 "echo AVB verification failed.;" \
66 #define AVB_VERIFY_CMD "avb_verify=avb init 1; avb verify;\0"
68 #define AVB_VERIFY_CHECK ""
69 #define AVB_VERIFY_CMD ""
72 #define CONTROL_PARTITION "misc"
74 #if defined(CONFIG_CMD_AB_SELECT)
76 "if part number mmc 1 " CONTROL_PARTITION " control_part_number; " \
78 "echo " CONTROL_PARTITION \
79 " partition number:${control_part_number};" \
80 "ab_select slot_name mmc ${mmcdev}:${control_part_number};" \
82 "echo " CONTROL_PARTITION " partition not found;" \
85 "setenv slot_suffix _${slot_name};" \
86 "if part number mmc ${mmcdev} system${slot_suffix} " \
87 "system_part_number; then " \
88 "setenv bootargs_ab " \
89 "ro root=/dev/mmcblk${mmcdev}p${system_part_number} " \
90 "rootwait init=/init skip_initramfs " \
91 "androidboot.slot_suffix=${slot_suffix};" \
92 "echo A/B cmdline addition: ${bootargs_ab};" \
93 "setenv bootargs ${bootargs} ${bootargs_ab};" \
95 "echo system${slot_suffix} partition not found;" \
101 #define DEFAULT_COMMON_BOOT_TI_ARGS \
102 "console=" CONSOLEDEV ",115200n8\0" \
103 "fdtfile=undefined\0" \
106 "bootfile=zImage\0" \
110 "partitions=" PARTS_DEFAULT "\0" \
114 "echo Trying to boot Linux from eMMC ...; " \
115 "setenv mmcdev 1; " \
116 "setenv bootpart 1:2; " \
117 "setenv mmcroot /dev/mmcblk0p2 rw; " \
119 "emmc_android_boot=" \
120 "echo Trying to boot Android from eMMC ...; " \
121 "run update_to_fit; " \
122 "setenv eval_bootargs setenv bootargs $bootargs; " \
123 "run eval_bootargs; " \
124 "setenv mmcdev 1; " \
125 "setenv machid fe6; " \
126 "mmc dev $mmcdev; " \
130 "if part start mmc ${mmcdev} boot${slot_suffix} boot_start; " \
132 "part size mmc ${mmcdev} boot${slot_suffix} " \
134 "mmc read ${loadaddr} ${boot_start} ${boot_size}; " \
135 "bootm ${loadaddr}#${fdtfile}; " \
137 "echo boot${slot_suffix} partition not found; " \
140 #ifdef CONFIG_OMAP54XX
142 #define DEFAULT_FDT_TI_ARGS \
144 "if test $board_name = omap5_uevm; then " \
145 "setenv fdtfile omap5-uevm.dtb; fi; " \
146 "if test $board_name = dra7xx; then " \
147 "setenv fdtfile dra7-evm.dtb; fi;" \
148 "if test $board_name = dra72x-revc; then " \
149 "setenv fdtfile dra72-evm-revc.dtb; fi;" \
150 "if test $board_name = dra72x; then " \
151 "setenv fdtfile dra72-evm.dtb; fi;" \
152 "if test $board_name = dra71x; then " \
153 "setenv fdtfile dra71-evm.dtb; fi;" \
154 "if test $board_name = dra76x_acd; then " \
155 "setenv fdtfile dra76-evm.dtb; fi;" \
156 "if test $board_name = beagle_x15; then " \
157 "setenv fdtfile am57xx-beagle-x15.dtb; fi;" \
158 "if test $board_name = beagle_x15_revb1; then " \
159 "setenv fdtfile am57xx-beagle-x15-revb1.dtb; fi;" \
160 "if test $board_name = beagle_x15_revc; then " \
161 "setenv fdtfile am57xx-beagle-x15-revc.dtb; fi;" \
162 "if test $board_name = am572x_idk; then " \
163 "setenv fdtfile am572x-idk.dtb; fi;" \
164 "if test $board_name = am574x_idk; then " \
165 "setenv fdtfile am574x-idk.dtb; fi;" \
166 "if test $board_name = am57xx_evm; then " \
167 "setenv fdtfile am57xx-beagle-x15.dtb; fi;" \
168 "if test $board_name = am57xx_evm_reva3; then " \
169 "setenv fdtfile am57xx-beagle-x15.dtb; fi;" \
170 "if test $board_name = am571x_idk; then " \
171 "setenv fdtfile am571x-idk.dtb; fi;" \
172 "if test $fdtfile = undefined; then " \
173 "echo WARNING: Could not determine device tree to use; fi; \0"
175 #define CONFIG_BOOTCOMMAND \
176 "if test ${dofastboot} -eq 1; then " \
177 "echo Boot fastboot requested, resetting dofastboot ...;" \
178 "setenv dofastboot 0; saveenv;" \
179 "echo Booting into fastboot ...; " \
180 "fastboot " __stringify(CONFIG_FASTBOOT_USB_DEV) "; " \
182 "if test ${boot_fit} -eq 1; then " \
183 "run update_to_fit;" \
188 "run emmc_linux_boot; " \
189 "run emmc_android_boot; " \
192 #endif /* CONFIG_OMAP54XX */
194 #endif /* __TI_BOOT_H */