1 /* SPDX-License-Identifier: GPL-2.0+ */
2 /*
3  * Configuration for Android Amlogic Meson 64bits SoCs
4  *
5  * Copyright (C) 2019 Baylibre, SAS
6  * Author: Jerome Brunet <jbrunet@baylibre.com>
7  */
8 
9 #ifndef __MESON64_ANDROID_CONFIG_H
10 #define __MESON64_ANDROID_CONFIG_H
11 
12 #include <linux/sizes.h>
13 
14 #ifndef BOOT_PARTITION
15 #define BOOT_PARTITION "boot"
16 #endif
17 
18 #ifndef LOGO_PARTITION
19 #define LOGO_PARTITION "logo"
20 #endif
21 
22 #ifndef CONTROL_PARTITION
23 #define CONTROL_PARTITION "misc"
24 #endif
25 
26 #ifndef EXTRA_ANDROID_ENV_SETTINGS
27 #define EXTRA_ANDROID_ENV_SETTINGS ""
28 #endif
29 
30 #if defined(CONFIG_CMD_AVB)
31 #define AVB_VERIFY_CHECK \
32 	"if test \"${force_avb}\" -eq 1; then " \
33 		"if run avb_verify; then " \
34 			"echo AVB verification OK.;" \
35 			"setenv bootargs \"$bootargs $avb_bootargs\";" \
36 		"else " \
37 			"echo AVB verification failed.;" \
38 		"exit; fi;" \
39 	"else " \
40 		"setenv bootargs \"$bootargs androidboot.verifiedbootstate=orange\";" \
41 		"echo Running without AVB...; "\
42 	"fi;"
43 
44 #define AVB_VERIFY_CMD "avb_verify=avb init ${mmcdev}; avb verify $slot_suffix;\0"
45 #else
46 #define AVB_VERIFY_CHECK ""
47 #define AVB_VERIFY_CMD ""
48 #endif
49 
50 #if defined(CONFIG_CMD_BCB) && defined(CONFIG_ANDROID_AB)
51 #define ANDROIDBOOT_GET_CURRENT_SLOT_CMD "get_current_slot=" \
52 	"if part number mmc ${mmcdev} " CONTROL_PARTITION " control_part_number; " \
53 	"then " \
54 		"echo " CONTROL_PARTITION \
55 			" partition number:${control_part_number};" \
56 		"bcb ab_select current_slot mmc ${mmcdev}:${control_part_number};" \
57 	"else " \
58 		"echo " CONTROL_PARTITION " partition not found;" \
59 	"fi;\0"
60 
61 #define AB_SELECT_SLOT \
62 	"run get_current_slot; " \
63 	"if test -e \"${current_slot}\"; " \
64 	"then " \
65 		"setenv slot_suffix _${current_slot}; " \
66 	"else " \
67 		"echo current_slot not found;" \
68 		"exit;" \
69 	"fi;"
70 
71 #define AB_SELECT_ARGS \
72 	"setenv bootargs_ab androidboot.slot_suffix=${slot_suffix}; " \
73 	"echo A/B cmdline addition: ${bootargs_ab};" \
74 	"setenv bootargs ${bootargs} ${bootargs_ab};"
75 
76 #define AB_BOOTARGS " androidboot.force_normal_boot=1"
77 #define RECOVERY_PARTITION "boot"
78 #else
79 #define AB_SELECT_SLOT ""
80 #define AB_SELECT_ARGS " "
81 #define ANDROIDBOOT_GET_CURRENT_SLOT_CMD ""
82 #define AB_BOOTARGS " "
83 #define RECOVERY_PARTITION "recovery"
84 #endif
85 
86 #if defined(CONFIG_CMD_ABOOTIMG)
87 /*
88  * Prepares complete device tree blob for current board (for Android boot).
89  *
90  * Boot image or recovery image should be loaded into $loadaddr prior to running
91  * these commands. The logic of these commnads is next:
92  *
93  *   1. Read correct DTB for current SoC/board from boot image in $loadaddr
94  *      to $fdtaddr
95  *   2. Merge all needed DTBO for current board from 'dtbo' partition into read
96  *      DTB
97  *   3. User should provide $fdtaddr as 3rd argument to 'bootm'
98  */
99 #define PREPARE_FDT \
100 	"echo Preparing FDT...; " \
101 	"if test $board_name = sei510; then " \
102 		"echo \"  Reading DTB for sei510...\"; " \
103 		"setenv dtb_index 0;" \
104 	"elif test $board_name = sei610; then " \
105 		"echo \"  Reading DTB for sei610...\"; " \
106 		"setenv dtb_index 1;" \
107 	"else " \
108 		"echo Error: Android boot is not supported for $board_name; " \
109 		"exit; " \
110 	"fi; " \
111 	"abootimg get dtb --index=$dtb_index dtb_start dtb_size; " \
112 	"cp.b $dtb_start $fdt_addr_r $dtb_size; " \
113 	"fdt addr $fdt_addr_r  0x80000; "
114 
115 #define BOOT_CMD "bootm ${loadaddr} ${loadaddr} ${fdt_addr_r};"
116 
117 #else
118 #define PREPARE_FDT " "
119 #define BOOT_CMD "bootm ${loadaddr};"
120 #endif
121 
122 #define BOOTENV_DEV_FASTBOOT(devtypeu, devtypel, instance) \
123 	"bootcmd_fastboot=" \
124 		"setenv run_fastboot 0;" \
125 		"if test \"${boot_source}\" = \"usb\"; then " \
126 			"echo Fastboot forced by usb rom boot;" \
127 			"setenv run_fastboot 1;" \
128 		"fi;" \
129 		"if test \"${run_fastboot}\" -eq 0; then " \
130 			"if gpt verify mmc ${mmcdev} ${partitions}; then; " \
131 			"else " \
132 				"echo Broken MMC partition scheme;" \
133 				"setenv run_fastboot 1;" \
134 			"fi; " \
135 		"fi;" \
136 		"if test \"${run_fastboot}\" -eq 0; then " \
137 			"if bcb load " __stringify(CONFIG_FASTBOOT_FLASH_MMC_DEV) " " \
138 			CONTROL_PARTITION "; then " \
139 				"if bcb test command = bootonce-bootloader; then " \
140 					"echo BCB: Bootloader boot...; " \
141 					"bcb clear command; bcb store; " \
142 					"setenv run_fastboot 1;" \
143 				"elif bcb test command = boot-fastboot; then " \
144 					"echo BCB: fastboot userspace boot...; " \
145 					"setenv force_recovery 1;" \
146 				"fi; " \
147 			"else " \
148 				"echo Warning: BCB is corrupted or does not exist; " \
149 			"fi;" \
150 		"fi;" \
151 		"if test \"${run_fastboot}\" -eq 1; then " \
152 			"echo Running Fastboot...;" \
153 			"fastboot " __stringify(CONFIG_FASTBOOT_USB_DEV) "; " \
154 		"fi\0"
155 
156 #define BOOTENV_DEV_NAME_FASTBOOT(devtypeu, devtypel, instance)	\
157 		"fastboot "
158 
159 #define BOOTENV_DEV_RECOVERY(devtypeu, devtypel, instance) \
160 	"bootcmd_recovery=" \
161 		"pinmux dev pinctrl@14;" \
162 		"pinmux dev pinctrl@40;" \
163 		"setenv run_recovery 0;" \
164 		"if run check_button; then " \
165 			"echo Recovery button is pressed;" \
166 			"setenv run_recovery 1;" \
167 		"fi; " \
168 		"if bcb load " __stringify(CONFIG_FASTBOOT_FLASH_MMC_DEV) " " \
169 		CONTROL_PARTITION "; then " \
170 			"if bcb test command = boot-recovery; then " \
171 				"echo BCB: Recovery boot...; " \
172 				"setenv run_recovery 1;" \
173 			"fi;" \
174 		"else " \
175 			"echo Warning: BCB is corrupted or does not exist; " \
176 		"fi;" \
177 		"if test \"${skip_recovery}\" -eq 1; then " \
178 			"echo Recovery skipped by environment;" \
179 			"setenv run_recovery 0;" \
180 		"fi;" \
181 		"if test \"${force_recovery}\" -eq 1; then " \
182 			"echo Recovery forced by environment;" \
183 			"setenv run_recovery 1;" \
184 		"fi;" \
185 		"if test \"${run_recovery}\" -eq 1; then " \
186 			"echo Running Recovery...;" \
187 			"mmc dev ${mmcdev};" \
188 			"setenv bootargs \"${bootargs} androidboot.serialno=${serial#}\";" \
189 			AB_SELECT_SLOT \
190 			AB_SELECT_ARGS \
191 			AVB_VERIFY_CHECK \
192 			"part start mmc ${mmcdev} " RECOVERY_PARTITION "${slot_suffix} boot_start;" \
193 			"part size mmc ${mmcdev} " RECOVERY_PARTITION "${slot_suffix} boot_size;" \
194 			"if mmc read ${loadaddr} ${boot_start} ${boot_size}; then " \
195 				PREPARE_FDT \
196 				"echo Running Android Recovery...;" \
197 				BOOT_CMD \
198 			"fi;" \
199 			"echo Failed to boot Android...;" \
200 			"reset;" \
201 		"fi\0"
202 
203 #define BOOTENV_DEV_NAME_RECOVERY(devtypeu, devtypel, instance)	\
204 		"recovery "
205 
206 #define BOOTENV_DEV_SYSTEM(devtypeu, devtypel, instance) \
207 	"bootcmd_system=" \
208 		"echo Loading Android " BOOT_PARTITION " partition...;" \
209 		"mmc dev ${mmcdev};" \
210 		"setenv bootargs ${bootargs} androidboot.serialno=${serial#};" \
211 		AB_SELECT_SLOT \
212 		AB_SELECT_ARGS \
213 		AVB_VERIFY_CHECK \
214 		"part start mmc ${mmcdev} " BOOT_PARTITION "${slot_suffix} boot_start;" \
215 		"part size mmc ${mmcdev} " BOOT_PARTITION "${slot_suffix} boot_size;" \
216 		"if mmc read ${loadaddr} ${boot_start} ${boot_size}; then " \
217 			PREPARE_FDT \
218 			"setenv bootargs \"${bootargs} " AB_BOOTARGS "\"  ; " \
219 			"echo Running Android...;" \
220 			BOOT_CMD \
221 		"fi;" \
222 		"echo Failed to boot Android...;\0"
223 
224 #define BOOTENV_DEV_NAME_SYSTEM(devtypeu, devtypel, instance)	\
225 		"system "
226 
227 #define BOOTENV_DEV_PANIC(devtypeu, devtypel, instance) \
228 	"bootcmd_panic=" \
229 		"fastboot " __stringify(CONFIG_FASTBOOT_USB_DEV) "; " \
230 		"reset\0"
231 
232 #define BOOTENV_DEV_NAME_PANIC(devtypeu, devtypel, instance)	\
233 		"panic "
234 
235 #define BOOT_TARGET_DEVICES(func) \
236 	func(FASTBOOT, fastboot, na) \
237 	func(RECOVERY, recovery, na) \
238 	func(SYSTEM, system, na) \
239 	func(PANIC, panic, na) \
240 
241 #define PREBOOT_LOAD_LOGO \
242 	"if test \"${boot_source}\" != \"usb\" && " \
243 		"gpt verify mmc ${mmcdev} ${partitions}; then; " \
244 		"mmc dev ${mmcdev};" \
245 		"part start mmc ${mmcdev} " LOGO_PARTITION " boot_start;" \
246 		"part size mmc ${mmcdev} " LOGO_PARTITION " boot_size;" \
247 		"if mmc read ${loadaddr} ${boot_start} ${boot_size}; then " \
248 			"bmp display ${loadaddr} m m;" \
249 		"fi;" \
250 	"fi;"
251 
252 #define CFG_EXTRA_ENV_SETTINGS                                     \
253 	EXTRA_ANDROID_ENV_SETTINGS                                    \
254 	"partitions=" PARTS_DEFAULT "\0"                              \
255 	"mmcdev=2\0"                                                  \
256 	"fastboot_raw_partition_bootloader=0x1 0xfff mmcpart 1\0"     \
257 	"fastboot_raw_partition_bootenv=0x0 0xfff mmcpart 2\0"        \
258 	ANDROIDBOOT_GET_CURRENT_SLOT_CMD                              \
259 	AVB_VERIFY_CMD                                                \
260 	"force_avb=0\0"                                               \
261 	"gpio_recovery=88\0"                                          \
262 	"check_button=gpio input ${gpio_recovery};test $? -eq 0;\0"   \
263 	"load_logo=" PREBOOT_LOAD_LOGO "\0"			      \
264 	"stdin=" STDIN_CFG "\0"                                       \
265 	"stdout=" STDOUT_CFG "\0"                                     \
266 	"stderr=" STDOUT_CFG "\0"                                     \
267 	"dtboaddr=0x08200000\0"                                       \
268 	"loadaddr=0x01080000\0"                                       \
269 	"fdt_addr_r=0x01000000\0"                                     \
270 	"scriptaddr=0x08000000\0"                                     \
271 	"kernel_addr_r=0x01080000\0"                                  \
272 	"pxefile_addr_r=0x01080000\0"                                 \
273 	"ramdisk_addr_r=0x13000000\0"                                 \
274 	"fdtfile=amlogic/" CONFIG_DEFAULT_DEVICE_TREE ".dtb\0"        \
275 	BOOTENV
276 
277 #include <configs/meson64.h>
278 
279 #endif /* __MESON64_ANDROID_CONFIG_H */
280