From: Michal Simek <monstr@monstr.eu>
Date: Fri, 2 Nov 2012 08:33:50 +0000 (+0100)
Subject: microblaze: Disable all cpu features before reset
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=b881cbee0a97753f991f3976d3f2dd277677cfc3;p=thirdparty%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>
---

diff --git a/board/xilinx/microblaze-generic/microblaze-generic.c b/board/xilinx/microblaze-generic/microblaze-generic.c
index bb844f8d240..bc19fdc707a 100644
--- a/board/xilinx/microblaze-generic/microblaze-generic.c
+++ b/board/xilinx/microblaze-generic/microblaze-generic.c
@@ -40,8 +40,8 @@ int do_reset(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
 #endif
 
 	puts ("Reseting board\n");
-	disable_interrupts();
-	asm ("bra r0");
+	__asm__ __volatile__ ("	mts rmsr, r0;" \
+				"bra r0");
 
 	return 0;
 }