aries: Add bootmode injection support

Allows reboot recovery to work without /cache/.startrecovery hack

- Renames s3c_usb_set_serial to aries_inject_cmdline

8 files changed, 31 insertions, 47 deletions

diff --git a/arch/arm/mach-s5pv210/mach-aries.c b/arch/arm/mach-s5pv210/mach-aries.c
index 7908c07..eb46197 100644
--- a/arch/arm/mach-s5pv210/mach-aries.c
+++ b/arch/arm/mach-s5pv210/mach-aries.c
@@ -146,9 +146,7 @@ static int aries_notifier_call(struct notifier_block *this,
 
 	if ((code == SYS_RESTART) && _cmd) {
 		if (!strcmp((char *)_cmd, "recovery"))
-			mode = REBOOT_MODE_RECOVERY;
-		else if (!strcmp((char *)_cmd, "bootloader"))
-			mode = REBOOT_MODE_FAST_BOOT;
+			mode = 2; // It's not REBOOT_MODE_RECOVERY, blame Samsung
 		else
 			mode = REBOOT_MODE_NONE;
 	}
@@ -5176,12 +5174,26 @@ static void aries_pm_restart(char mode, const char *cmd)
 	arm_machine_restart(mode, cmd);
 }
 
+// Ugly hack to inject parameters (e.g. device serial, bootmode) into /proc/cmdline
+static void __init aries_inject_cmdline(void) {
+	char *new_command_line;
+	int size;
+
+	size = strlen(boot_command_line);
+	new_command_line = kmalloc(size + 40 + 11, GFP_KERNEL);
+	strcpy(new_command_line, saved_command_line);
+	size += sprintf(new_command_line + size, " androidboot.serialno=%08X%08X",
+				system_serial_high, system_serial_low);
+	size += sprintf(new_command_line + size, " bootmode=%d", __raw_readl(S5P_INFORM6));
+	saved_command_line = new_command_line;
+}
+
 static void __init aries_machine_init(void)
 {
 	arm_pm_restart = aries_pm_restart;
 
 	setup_ram_console_mem();
-	s3c_usb_set_serial();
+	aries_inject_cmdline();
 	platform_add_devices(aries_devices, ARRAY_SIZE(aries_devices));
 
 	/* smb380 */
diff --git a/arch/arm/plat-s5p/devs.c b/arch/arm/plat-s5p/devs.c
index d69247f..f961d66 100644
--- a/arch/arm/plat-s5p/devs.c
+++ b/arch/arm/plat-s5p/devs.c
@@ -41,21 +41,6 @@
 #include <mach/media.h>
 #include <s3cfb.h>
 
-/* Android Gadget */
-// Ugly hack to inject device serial into /proc/cmdline
-void __init s3c_usb_set_serial(void)
-{
-	char *new_command_line;
-	int size;
-
-	size = strlen(boot_command_line);
-	new_command_line = kmalloc(size + 40, GFP_KERNEL);
-	strcpy(new_command_line, saved_command_line);
-	sprintf(new_command_line + size, " androidboot.serialno=%08X%08X",
-			system_serial_high, system_serial_low);
-	saved_command_line = new_command_line;
-}
-
 /* RTC */
 static struct resource s5p_rtc_resource[] = {
 	[0] = {
diff --git a/arch/arm/plat-samsung/include/plat/devs.h b/arch/arm/plat-samsung/include/plat/devs.h
index 1170fb9..54e0b6e 100644
--- a/arch/arm/plat-samsung/include/plat/devs.h
+++ b/arch/arm/plat-samsung/include/plat/devs.h
@@ -198,6 +198,4 @@ extern struct platform_device s3c_device_ac97;
 extern void *s3c_set_platdata(void *pd, size_t pdsize,
 			      struct platform_device *pdev);
 
-void __init s3c_usb_set_serial(void);
-
 #endif /* __PLAT_DEVS_H */
diff --git a/usr/captivatemtd_initramfs_files/init b/usr/captivatemtd_initramfs_files/init
index 5d0a655..feb03f6 100755
--- a/usr/captivatemtd_initramfs_files/init
+++ b/usr/captivatemtd_initramfs_files/init
@@ -17,11 +17,9 @@ load_offset=$boot_offset
 load_len=$boot_len
 
 busybox mount -t yaffs2 /dev/block/mtdblock2 /system
-busybox mount -t yaffs2 /dev/block/mtdblock3 /cache
 
-if busybox test -e /cache/.startrecovery || busybox grep -q bootmode=2 /proc/cmdline ; then
+if busybox grep -q bootmode=2 /proc/cmdline ; then
 	# recovery boot
-	busybox rm -fr /cache/.startrecovery
 	load_offset=$recovery_offset
 	load_len=$recovery_len
 
@@ -29,7 +27,6 @@ if busybox test -e /cache/.startrecovery || busybox grep -q bootmode=2 /proc/cmd
 	busybox echo 0 > /sys/class/power_supply/battery/charging_mode_booting
 elif ! busybox test -e /system/build.prop ; then
 	# emergency boot
-        busybox umount /cache
         erase_image cache
         busybox mount -t yaffs2 /dev/block/mtdblock3 /cache
         busybox mkdir /cache/recovery
@@ -42,6 +39,8 @@ elif ! busybox test -e /system/build.prop ; then
 		busybox echo "install_zip(\"`echo $UPDATE`\");" > /cache/recovery/extendedcommand
   	fi
 
+    busybox umount /cache
+
 	load_offset=$recovery_offset
 	load_len=$recovery_len
 
@@ -49,7 +48,6 @@ elif ! busybox test -e /system/build.prop ; then
 	busybox echo 0 > /sys/class/power_supply/battery/charging_mode_booting
 fi
 
-busybox umount /cache
 busybox umount /system
 busybox umount /sdcard
 busybox rmdir /sdcard
diff --git a/usr/fascinatemtd_initramfs_files/init b/usr/fascinatemtd_initramfs_files/init
index ae94eab..4d35c3e 100755
--- a/usr/fascinatemtd_initramfs_files/init
+++ b/usr/fascinatemtd_initramfs_files/init
@@ -17,12 +17,9 @@ load_offset=$boot_offset
 load_len=$boot_len
 
 busybox mount -t yaffs2 /dev/block/mtdblock2 /system
-busybox mount -t yaffs2 /dev/block/mtdblock3 /cache
 
-if busybox test -e /cache/.startrecovery || \
-	busybox grep -q bootmode=2 /proc/cmdline ; then
+if busybox grep -q bootmode=2 /proc/cmdline ; then
 	# recovery boot
-	busybox rm -fr /cache/.startrecovery
 
 	load_offset=$recovery_offset
 	load_len=$recovery_len
@@ -31,7 +28,6 @@ if busybox test -e /cache/.startrecovery || \
 	busybox echo 0 > /sys/class/power_supply/battery/charging_mode_booting
 elif ! busybox test -e /system/build.prop ; then
 	# emergency boot
-        busybox umount /cache
         erase_image cache
         busybox mount -t yaffs2 /dev/block/mtdblock3 /cache
         busybox mkdir /cache/recovery
@@ -44,6 +40,8 @@ elif ! busybox test -e /system/build.prop ; then
 		busybox echo "install_zip(\"`echo $UPDATE`\");" > /cache/recovery/extendedcommand
   	fi
 
+    busybox umount /cache
+
 	load_offset=$recovery_offset
 	load_len=$recovery_len
 
@@ -51,7 +49,6 @@ elif ! busybox test -e /system/build.prop ; then
 	busybox echo 0 > /sys/class/power_supply/battery/charging_mode_booting
 fi
 
-busybox umount /cache
 busybox umount /system
 busybox umount /sdcard
 busybox rmdir /sdcard
diff --git a/usr/galaxysbmtd_initramfs_files/init b/usr/galaxysbmtd_initramfs_files/init
index 5d0a655..feb03f6 100755
--- a/usr/galaxysbmtd_initramfs_files/init
+++ b/usr/galaxysbmtd_initramfs_files/init
@@ -17,11 +17,9 @@ load_offset=$boot_offset
 load_len=$boot_len
 
 busybox mount -t yaffs2 /dev/block/mtdblock2 /system
-busybox mount -t yaffs2 /dev/block/mtdblock3 /cache
 
-if busybox test -e /cache/.startrecovery || busybox grep -q bootmode=2 /proc/cmdline ; then
+if busybox grep -q bootmode=2 /proc/cmdline ; then
 	# recovery boot
-	busybox rm -fr /cache/.startrecovery
 	load_offset=$recovery_offset
 	load_len=$recovery_len
 
@@ -29,7 +27,6 @@ if busybox test -e /cache/.startrecovery || busybox grep -q bootmode=2 /proc/cmd
 	busybox echo 0 > /sys/class/power_supply/battery/charging_mode_booting
 elif ! busybox test -e /system/build.prop ; then
 	# emergency boot
-        busybox umount /cache
         erase_image cache
         busybox mount -t yaffs2 /dev/block/mtdblock3 /cache
         busybox mkdir /cache/recovery
@@ -42,6 +39,8 @@ elif ! busybox test -e /system/build.prop ; then
 		busybox echo "install_zip(\"`echo $UPDATE`\");" > /cache/recovery/extendedcommand
   	fi
 
+    busybox umount /cache
+
 	load_offset=$recovery_offset
 	load_len=$recovery_len
 
@@ -49,7 +48,6 @@ elif ! busybox test -e /system/build.prop ; then
 	busybox echo 0 > /sys/class/power_supply/battery/charging_mode_booting
 fi
 
-busybox umount /cache
 busybox umount /system
 busybox umount /sdcard
 busybox rmdir /sdcard
diff --git a/usr/galaxysmtd_initramfs_files/init b/usr/galaxysmtd_initramfs_files/init
index 5d0a655..feb03f6 100755
--- a/usr/galaxysmtd_initramfs_files/init
+++ b/usr/galaxysmtd_initramfs_files/init
@@ -17,11 +17,9 @@ load_offset=$boot_offset
 load_len=$boot_len
 
 busybox mount -t yaffs2 /dev/block/mtdblock2 /system
-busybox mount -t yaffs2 /dev/block/mtdblock3 /cache
 
-if busybox test -e /cache/.startrecovery || busybox grep -q bootmode=2 /proc/cmdline ; then
+if busybox grep -q bootmode=2 /proc/cmdline ; then
 	# recovery boot
-	busybox rm -fr /cache/.startrecovery
 	load_offset=$recovery_offset
 	load_len=$recovery_len
 
@@ -29,7 +27,6 @@ if busybox test -e /cache/.startrecovery || busybox grep -q bootmode=2 /proc/cmd
 	busybox echo 0 > /sys/class/power_supply/battery/charging_mode_booting
 elif ! busybox test -e /system/build.prop ; then
 	# emergency boot
-        busybox umount /cache
         erase_image cache
         busybox mount -t yaffs2 /dev/block/mtdblock3 /cache
         busybox mkdir /cache/recovery
@@ -42,6 +39,8 @@ elif ! busybox test -e /system/build.prop ; then
 		busybox echo "install_zip(\"`echo $UPDATE`\");" > /cache/recovery/extendedcommand
   	fi
 
+    busybox umount /cache
+
 	load_offset=$recovery_offset
 	load_len=$recovery_len
 
@@ -49,7 +48,6 @@ elif ! busybox test -e /system/build.prop ; then
 	busybox echo 0 > /sys/class/power_supply/battery/charging_mode_booting
 fi
 
-busybox umount /cache
 busybox umount /system
 busybox umount /sdcard
 busybox rmdir /sdcard
diff --git a/usr/vibrantmtd_initramfs_files/init b/usr/vibrantmtd_initramfs_files/init
index 5d0a655..feb03f6 100755
--- a/usr/vibrantmtd_initramfs_files/init
+++ b/usr/vibrantmtd_initramfs_files/init
@@ -17,11 +17,9 @@ load_offset=$boot_offset
 load_len=$boot_len
 
 busybox mount -t yaffs2 /dev/block/mtdblock2 /system
-busybox mount -t yaffs2 /dev/block/mtdblock3 /cache
 
-if busybox test -e /cache/.startrecovery || busybox grep -q bootmode=2 /proc/cmdline ; then
+if busybox grep -q bootmode=2 /proc/cmdline ; then
 	# recovery boot
-	busybox rm -fr /cache/.startrecovery
 	load_offset=$recovery_offset
 	load_len=$recovery_len
 
@@ -29,7 +27,6 @@ if busybox test -e /cache/.startrecovery || busybox grep -q bootmode=2 /proc/cmd
 	busybox echo 0 > /sys/class/power_supply/battery/charging_mode_booting
 elif ! busybox test -e /system/build.prop ; then
 	# emergency boot
-        busybox umount /cache
         erase_image cache
         busybox mount -t yaffs2 /dev/block/mtdblock3 /cache
         busybox mkdir /cache/recovery
@@ -42,6 +39,8 @@ elif ! busybox test -e /system/build.prop ; then
 		busybox echo "install_zip(\"`echo $UPDATE`\");" > /cache/recovery/extendedcommand
   	fi
 
+    busybox umount /cache
+
 	load_offset=$recovery_offset
 	load_len=$recovery_len
 
@@ -49,7 +48,6 @@ elif ! busybox test -e /system/build.prop ; then
 	busybox echo 0 > /sys/class/power_supply/battery/charging_mode_booting
 fi
 
-busybox umount /cache
 busybox umount /system
 busybox umount /sdcard
 busybox rmdir /sdcard