From cd6cc3440f3f8166b0ceda3c510786d8fcd64dff Mon Sep 17 00:00:00 2001
From: Albert ARIBAUD <albert.u.boot@aribaud.net>
Date: Tue, 15 Apr 2014 16:13:48 +0200
Subject: arm: move reset_cpu from start.S into cpu.c

CPUs arm946es and sa1100 both define the reset_cpu()
function in their start.S file. Move this cpu-specific code
into cpu.c so that start.S only contains ARM generic code.

Signed-off-by: Albert ARIBAUD <albert.u.boot@aribaud.net>
---
 arch/arm/cpu/sa1100/cpu.c   | 14 ++++++++++++++
 arch/arm/cpu/sa1100/start.S | 10 ----------
 2 files changed, 14 insertions(+), 10 deletions(-)

(limited to 'arch/arm/cpu/sa1100')

diff --git a/arch/arm/cpu/sa1100/cpu.c b/arch/arm/cpu/sa1100/cpu.c
index 6651898de2..4c9752a1c8 100644
--- a/arch/arm/cpu/sa1100/cpu.c
+++ b/arch/arm/cpu/sa1100/cpu.c
@@ -17,6 +17,7 @@
 #include <common.h>
 #include <command.h>
 #include <asm/system.h>
+#include <asm/io.h>
 
 #ifdef CONFIG_USE_IRQ
 DECLARE_GLOBAL_DATA_PTR;
@@ -52,3 +53,16 @@ static void cache_flush (void)
 
 	asm ("mcr p15, 0, %0, c7, c5, 0": :"r" (i));
 }
+
+#define RST_BASE 0x90030000
+#define RSRR	0x00
+#define RCSR	0x04
+
+__attribute__((noreturn)) void reset_cpu(ulong addr __attribute__((unused)))
+{
+	/* repeat endlessly */
+	while (1) {
+		writel(0, RST_BASE + RCSR);
+		writel(1, RST_BASE + RSRR);
+	}
+}
diff --git a/arch/arm/cpu/sa1100/start.S b/arch/arm/cpu/sa1100/start.S
index bf80937a7c..472a595ad8 100644
--- a/arch/arm/cpu/sa1100/start.S
+++ b/arch/arm/cpu/sa1100/start.S
@@ -337,13 +337,3 @@ fiq:
 	bl	do_fiq
 
 #endif
-
-	.align	5
-.globl reset_cpu
-reset_cpu:
-	ldr	r0, RST_BASE
-	mov	r1, #0x0			@ set bit 3-0 ...
-	str	r1, [r0, #RCSR]			@ ... to clear in RCSR
-	mov	r1, #0x1
-	str	r1, [r0, #RSRR]			@ and perform reset
-	b	reset_cpu			@ silly, but repeat endlessly
-- 
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