[PATCH RESEND 2/7] ARM: socfpga: enable big endian for secondary core(s)
Ben Dooks
ben.dooks at codethink.co.uk
Wed Mar 25 04:27:47 PDT 2015
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 at codethink.co.uk>
--
CC: Linux ARM Kernel <linux-arm-kernel at lists.infradead.org>
CC: Dinh Nguyen <dinguyen at opensource.altera.com>
---
arch/arm/mach-socfpga/headsmp.S | 5 ++++-
1 file changed, 4 insertions(+), 1 deletion(-)
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
--
2.1.4
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