4  * SPDX-License-Identifier:     GPL-2.0+
27 	int cnt, recovery = 0;  in misc_require_recovery()  local
40 	cnt = DIV_ROUND_UP(sizeof(struct bootloader_message), dev_desc->blksz);  in misc_require_recovery()
41 	bmsg = memalign(ARCH_DMA_MINALIGN, cnt * dev_desc->blksz);  in misc_require_recovery()
43 		recovery = 0;  in misc_require_recovery()
45 		recovery = !strcmp(bmsg->command, "boot-recovery");  in misc_require_recovery()
47 			if (!strcmp(bmsg->recovery, "recovery\n--rk_fwupdate\n"))  in misc_require_recovery()
49 			else if (!strcmp(bmsg->recovery, "recovery\n--factory_mode=whole") ||  in misc_require_recovery()
50 				 !strcmp(bmsg->recovery, "recovery\n--factory_mode=small"))  in misc_require_recovery()
57 	return recovery;  in misc_require_recovery()
74  * There are three ways to get reboot-mode:
78  * No3. Env variable "reboot_mode" which is added by U-Boot
80  * Recovery mode from:
81  *	- Android BCB in misc.img
82  *	- "reboot recovery" command
83  *	- recovery key pressed without usb attach
88 		{ -EINVAL, -EINVAL, -EINVAL };  in rockchip_get_boot_mode()
89 	static int bcb_offset = -EINVAL;	/* static */  in rockchip_get_boot_mode()
101 	 * Env variable "reboot_mode" which is added by U-Boot, reading ever time.  in rockchip_get_boot_mode()
105 		if (!strcmp(env_reboot_mode, "recovery-key")) {  in rockchip_get_boot_mode()
106 			printf("boot mode: recovery (key)\n");  in rockchip_get_boot_mode()
108 		} else if (!strcmp(env_reboot_mode, "recovery-usb")) {  in rockchip_get_boot_mode()
109 			printf("boot mode: recovery (usb)\n");  in rockchip_get_boot_mode()
111 		} else if (!strcmp(env_reboot_mode, "recovery")) {  in rockchip_get_boot_mode()
112 			printf("boot mode: recovery (env)\n");  in rockchip_get_boot_mode()
115 			printf("boot mode: fastboot\n");  in rockchip_get_boot_mode()
118 			printf("boot mode: normal(env)\n");  in rockchip_get_boot_mode()
137 	 * PH and PL is from boot mode register and reading once.  in rockchip_get_boot_mode()
139 	 * Return the boot mode according to priority: PH > PM > PL.  in rockchip_get_boot_mode()
142 		boot_mode[PM] = -EINVAL;  in rockchip_get_boot_mode()
146 	/* directly return if there is already valid mode */  in rockchip_get_boot_mode()
147 	if (boot_mode[PH] != -EINVAL)  in rockchip_get_boot_mode()
149 	else if (boot_mode[PM] != -EINVAL)  in rockchip_get_boot_mode()
151 	else if (boot_mode[PL] != -EINVAL)  in rockchip_get_boot_mode()
155 	 * Boot mode priority  in rockchip_get_boot_mode()
157 	 * Anyway, we should set download boot mode as the highest priority, so:  in rockchip_get_boot_mode()
158 	 * reboot loader/bootloader/fastboot > misc partition "recovery" > reboot xxx.  in rockchip_get_boot_mode()
162 		printf("boot mode: loader\n");  in rockchip_get_boot_mode()
166 		printf("boot mode: dfu\n");  in rockchip_get_boot_mode()
170 		printf("boot mode: bootloader\n");  in rockchip_get_boot_mode()
174 		printf("boot mode: recovery (misc)\n");  in rockchip_get_boot_mode()
176 		run_command("env default -af", 0);  in rockchip_get_boot_mode()
181 			printf("boot mode: normal\n");  in rockchip_get_boot_mode()
186 			printf("boot mode: recovery (cmd)\n");  in rockchip_get_boot_mode()
191 			printf("boot mode: ums\n");  in rockchip_get_boot_mode()
196 			printf("boot mode: charging\n");  in rockchip_get_boot_mode()
201 			printf("boot mode: panic\n");  in rockchip_get_boot_mode()
205 			printf("boot mode: watchdog\n");  in rockchip_get_boot_mode()
209 			printf("boot mode: quiescent\n");  in rockchip_get_boot_mode()
213 			printf("boot mode: None\n");  in rockchip_get_boot_mode()
219 	 * We don't clear boot mode reg when its value stands for the reboot  in rockchip_get_boot_mode()
225 	if (boot_mode[PH] != -EINVAL)  in rockchip_get_boot_mode()
227 	else if (boot_mode[PM] != -EINVAL)  in rockchip_get_boot_mode()