fastboot: Extend fastboot_set_reboot_flag with reboot reason

Extend fastboot_set_reboot_flag arguments with reboot reason so that
it could handle different reboot cases in future.

Signed-off-by: Roman Kovalivskyi <roman.kovalivskyi@globallogic.com>

arch/arm/mach-meson/board-common.c

@@ -5,6 +5,7 @@
 
 #include <common.h>
 #include <cpu_func.h>
+#include <fastboot.h>
 #include <init.h>
 #include <net.h>
 #include <asm/arch/boot.h>
@@ -153,8 +154,11 @@ int board_late_init(void)
 #if CONFIG_IS_ENABLED(FASTBOOT)
 static unsigned int reboot_reason = REBOOT_REASON_NORMAL;
 
-int fastboot_set_reboot_flag()
+int fastboot_set_reboot_flag(enum fastboot_reboot_reason reason)
 {
+	if (reason != FASTBOOT_REBOOT_REASON_BOOTLOADER)
+		return -ENOTSUPP;
+
 	reboot_reason = REBOOT_REASON_BOOTLOADER;
 
 	printf("Using reboot reason: 0x%x\n", reboot_reason);

arch/arm/mach-rockchip/board.c

@@ -6,6 +6,7 @@
 #include <clk.h>
 #include <cpu_func.h>
 #include <dm.h>
+#include <fastboot.h>
 #include <init.h>
 #include <log.h>
 #include <ram.h>
@@ -152,8 +153,11 @@ int board_usb_init(int index, enum usb_init_type init)
 #endif /* CONFIG_USB_GADGET */
 
 #if CONFIG_IS_ENABLED(FASTBOOT)
-int fastboot_set_reboot_flag(void)
+int fastboot_set_reboot_flag(enum fastboot_reboot_reason reason)
 {
+	if (reason != FASTBOOT_REBOOT_REASON_BOOTLOADER)
+		return -ENOTSUPP;
+
 	printf("Setting reboot to fastboot flag ...\n");
 	/* Set boot mode to fastboot */
 	writel(BOOT_FASTBOOT, CONFIG_ROCKCHIP_BOOT_MODE_REG);

board/amazon/kc1/kc1.c

@@ -8,6 +8,7 @@
 #include <config.h>
 #include <common.h>
 #include <env.h>
+#include <fastboot.h>
 #include <init.h>
 #include <linux/ctype.h>
 #include <linux/usb/musb.h>
@@ -163,8 +164,11 @@ void get_board_serial(struct tag_serialnr *serialnr)
 	omap_die_id_get_board_serial(serialnr);
 }
 
-int fastboot_set_reboot_flag(void)
+int fastboot_set_reboot_flag(enum fastboot_reboot_reason reason)
 {
+	if (reason != FASTBOOT_REBOOT_REASON_BOOTLOADER)
+		return -ENOTSUPP;
+
 	return omap_reboot_mode_store("b");
 }
 

board/lg/sniper/sniper.c

@@ -9,6 +9,7 @@
 #include <common.h>
 #include <dm.h>
 #include <env.h>
+#include <fastboot.h>
 #include <init.h>
 #include <linux/ctype.h>
 #include <linux/usb/musb.h>
@@ -175,8 +176,11 @@ void reset_misc(void)
 	omap_reboot_mode_store(reboot_mode);
 }
 
-int fastboot_set_reboot_flag(void)
+int fastboot_set_reboot_flag(enum fastboot_reboot_reason reason)
 {
+	if (reason != FASTBOOT_REBOOT_REASON_BOOTLOADER)
+		return -ENOTSUPP;
+
 	return omap_reboot_mode_store("b");
 }
 

board/ti/am57xx/board.c

@@ -9,6 +9,7 @@
 
 #include <common.h>
 #include <env.h>
+#include <fastboot.h>
 #include <fdt_support.h>
 #include <image.h>
 #include <init.h>
@@ -1172,8 +1173,11 @@ int board_fit_config_name_match(const char *name)
 #endif
 
 #if CONFIG_IS_ENABLED(FASTBOOT) && !CONFIG_IS_ENABLED(ENV_IS_NOWHERE)
-int fastboot_set_reboot_flag(void)
+int fastboot_set_reboot_flag(enum fastboot_reboot_reason reason)
 {
+	if (reason != FASTBOOT_REBOOT_REASON_BOOTLOADER)
+		return -ENOTSUPP;
+
 	printf("Setting reboot to fastboot flag ...\n");
 	env_set("dofastboot", "1");
 	env_save();

board/ti/dra7xx/evm.c

@@ -12,6 +12,7 @@
 #include <common.h>
 #include <env.h>
 #include <fdt_support.h>
+#include <fastboot.h>
 #include <image.h>
 #include <init.h>
 #include <spl.h>
@@ -1050,8 +1051,11 @@ int board_fit_config_name_match(const char *name)
 #endif
 
 #if CONFIG_IS_ENABLED(FASTBOOT) && !CONFIG_IS_ENABLED(ENV_IS_NOWHERE)
-int fastboot_set_reboot_flag(void)
+int fastboot_set_reboot_flag(enum fastboot_reboot_reason reason)
 {
+	if (reason != FASTBOOT_REBOOT_REASON_BOOTLOADER)
+		return -ENOTSUPP;
+
 	printf("Setting reboot to fastboot flag ...\n");
 	env_set("dofastboot", "1");
 	env_save();

drivers/fastboot/fb_command.c

@@ -307,7 +307,7 @@ static void erase(char *cmd_parameter, char *response)
  */
 static void reboot_bootloader(char *cmd_parameter, char *response)
 {
-	if (fastboot_set_reboot_flag())
+	if (fastboot_set_reboot_flag(FASTBOOT_REBOOT_REASON_BOOTLOADER))
 		fastboot_fail("Cannot set reboot flag", response);
 	else
 		fastboot_okay(NULL, response);

drivers/fastboot/fb_common.c

@@ -88,7 +88,7 @@ void fastboot_okay(const char *reason, char *response)
  * which sets whatever flag your board specific Android bootloader flow
  * requires in order to re-enter the bootloader.
  */
-int __weak fastboot_set_reboot_flag(void)
+int __weak fastboot_set_reboot_flag(enum fastboot_reboot_reason reason)
 {
 	return -ENOSYS;
 }

include/fastboot.h

@@ -40,6 +40,14 @@ enum {
 	FASTBOOT_COMMAND_COUNT
 };
 
+/**
+ * Reboot reasons
+ */
+enum fastboot_reboot_reason {
+	FASTBOOT_REBOOT_REASON_BOOTLOADER,
+	FASTBOOT_REBOOT_REASONS_COUNT
+};
+
 /**
  * fastboot_response() - Writes a response of the form "$tag$reason".
  *
@@ -77,7 +85,7 @@ void fastboot_okay(const char *reason, char *response);
  * which sets whatever flag your board specific Android bootloader flow
  * requires in order to re-enter the bootloader.
  */
-int fastboot_set_reboot_flag(void);
+int fastboot_set_reboot_flag(enum fastboot_reboot_reason reason);
 
 /**
  * fastboot_set_progress_callback() - set progress callback