From: Michal Simek <monstr@monstr.eu>
Date: Wed, 7 Nov 2012 14:27:39 +0000 (+0100)
Subject: microblaze: Disable all cpu features before reset
X-Git-Tag: v2013.07-rc1~18^2~48^2~1
X-Git-Url: https://git.librecmc.org/?a=commitdiff_plain;h=8848668e136cccb30229b5e1484d41e0b5a6830a;p=oweals%2Fu-boot.git

microblaze: Disable all cpu features before reset

Fix microblaze soft reset function and disable
all cpu features. Especially disable caches because
IRQs were off by disable_interrupts().

Reported-by: John Williams <john.williams@xilinx.com>
Signed-off-by: Michal Simek <monstr@monstr.eu>
Signed-off-by: Michal Simek <michal.simek@xilinx.com>
---

diff --git a/board/xilinx/microblaze-generic/microblaze-generic.c b/board/xilinx/microblaze-generic/microblaze-generic.c
index 8ba99f9c50..1af0b86c75 100644
--- a/board/xilinx/microblaze-generic/microblaze-generic.c
+++ b/board/xilinx/microblaze-generic/microblaze-generic.c
@@ -40,7 +40,8 @@ int do_reset(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
 #endif
 
 	puts ("Reseting board\n");
-	asm ("bra r0");
+	__asm__ __volatile__ ("	mts rmsr, r0;" \
+				"bra r0");
 
 	return 0;
 }