Blackfin arch: Workaround reboot bug, issue SSYNC at the start of bfin_reset

reboot failes on BF533
http://blackfin.uclinux.org/gf/project/uclinux-dist/tracker/?action=TrackerItemEdit&tracker_item_id=3500

Signed-off-by: Michael Hennerich <michael.hennerich@analog.com>
Signed-off-by: Bryan Wu <bryan.wu@analog.com>

1 files changed, 20 insertions, 0 deletions

diff --git a/include/asm-blackfin/reboot.h b/include/asm-blackfin/reboot.h
new file mode 100644
index 000000000000..6d448b5f5985
--- /dev/null
+++ b/include/asm-blackfin/reboot.h
@@ -0,0 +1,20 @@
+/*
+ * include/asm-blackfin/reboot.h - shutdown/reboot header
+ *
+ * Copyright 2004-2007 Analog Devices Inc.
+ *
+ * Licensed under the GPL-2 or later.
+ */
+
+#ifndef __ASM_REBOOT_H__
+#define __ASM_REBOOT_H__
+
+/* optional board specific hooks */
+extern void native_machine_restart(char *cmd);
+extern void native_machine_halt(void);
+extern void native_machine_power_off(void);
+
+/* common reboot workarounds */
+extern void bfin_gpio_reset_spi0_ssel1(void);
+
+#endif