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[2/7] ARM: socfpga: enable big endian for secondary core(s)

Message ID 1427282610-10350-3-git-send-email-ben.dooks@codethink.co.uk (mailing list archive)
State New, archived
Headers show

Commit Message

Ben Dooks March 25, 2015, 11:23 a.m. UTC
Update the secondary code to allow the secondary boot to work when the
system is running big endian.

Signed-off-by: Ben Dooks <ben.dooks@codethink.co.uk>
--
CC: Linux ARM Kernel <linux-arm-kernel@lists.infradead.org>
CC: Dinh Nguyen <dinguyen@opensource.altera.com>
---
 arch/arm/mach-socfpga/headsmp.S | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)
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Patch

diff --git a/arch/arm/mach-socfpga/headsmp.S b/arch/arm/mach-socfpga/headsmp.S
index f65ea0a..a580dcd 100644
--- a/arch/arm/mach-socfpga/headsmp.S
+++ b/arch/arm/mach-socfpga/headsmp.S
@@ -10,6 +10,7 @@ 
 #include <linux/linkage.h>
 #include <linux/init.h>
 #include <asm/memory.h>
+#include <asm/assembler.h>
 
 	.arch	armv7-a
 
@@ -18,12 +19,14 @@  ENTRY(secondary_trampoline)
 	 * Thus, we can just subtract the PAGE_OFFSET to get the physical
 	 * address of &cpu1start_addr. This would not work for platforms
 	 * where the physical memory does not start at 0x0.
-	 */
+	*/
+ARM_BE8(setend	be)
 	adr	r0, 1f
 	ldmia	r0, {r1, r2}
 	sub	r2, r2, #PAGE_OFFSET
 	ldr	r3, [r2]
 	ldr	r4, [r3]
+ARM_BE8(rev	r4, r4)
 	bx	r4
 
 	.align