ARM: socfpga: enable big endian for secondary core(s)
authorBen Dooks <ben.dooks@codethink.co.uk>
Wed, 25 Mar 2015 11:27:47 +0000 (11:27 +0000)
committerDinh Nguyen <dinguyen@opensource.altera.com>
Mon, 11 May 2015 18:59:23 +0000 (13:59 -0500)
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>
Signed-off-by: Dinh Nguyen <dinguyen@opensource.altera.com>
arch/arm/mach-socfpga/headsmp.S

index f65ea0a..a580dcd 100644 (file)
@@ -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