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ARM: zynq: Enable big-endian

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Enable ARCH_SUPPORTS_BIG_ENDIAN in Kconfig.

zynq_secondary_trampoline is the first function
that is called on secondary CPU.
Reference:
"ARM: mcpm: fix big endian issue in mcpm startup code"
(sha1: 519ceb9fd1)

Fix early printk support. Based on:
"ARM: pl01x debug code endian fix"
(sha1: 76e3faf156)

Signed-off-by: Michal Simek <michal.simek@xilinx.com>
This commit is contained in:
Michal Simek
2014-04-11 15:05:56 +02:00
parent 90a6695a2a
commit eb28d0bb85
3 changed files with 7 additions and 1 deletions
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1
arch/arm/mach-zynq/Kconfig
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@@ -2,6 +2,7 @@ config ARCH_ZYNQ
bool "Xilinx Zynq ARM Cortex A9 Platform" if ARCH_MULTI_V7
select ARCH_HAS_CPUFREQ
select ARCH_HAS_OPP
select ARCH_SUPPORTS_BIG_ENDIAN
select ARM_AMBA
select ARM_GIC
select ARM_GLOBAL_TIMER if !CPU_FREQ

5
arch/arm/mach-zynq/headsmp.S
View File

@@ -8,9 +8,12 @@
*/
#include <linux/linkage.h>
#include <linux/init.h>
#include <asm/assembler.h>
ENTRY(zynq_secondary_trampoline)
ldr r0, [pc]
ARM_BE8(setend be) @ ensure we are in BE8 mode
ldr r0, zynq_secondary_trampoline_jump
ARM_BE8(rev r0, r0)
bx r0
.globl zynq_secondary_trampoline_jump
zynq_secondary_trampoline_jump: