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authorRussell King <rmk+kernel@arm.linux.org.uk>2010-03-02 23:29:32 +0000
committerRussell King <rmk+kernel@arm.linux.org.uk>2010-03-02 23:29:32 +0000
commitb93a4afcff7be859e30cad2a305731516057d6cf (patch)
treefb5fe55864e16527e453efd18790a34db22ee2a1 /arch/arm/mach-mx5/cpu.c
parent62c132a8008991530839401674ce8e1b12b005d3 (diff)
parent9b1489e989695c4d502865f8bec616c0f17e99ab (diff)
downloadblackbird-op-linux-b93a4afcff7be859e30cad2a305731516057d6cf.tar.gz
blackbird-op-linux-b93a4afcff7be859e30cad2a305731516057d6cf.zip
Merge branch 'for-rmk' of git://git.pengutronix.de/git/imx/linux-2.6 into devel-stable
Conflicts: arch/arm/Makefile
Diffstat (limited to 'arch/arm/mach-mx5/cpu.c')
-rw-r--r--arch/arm/mach-mx5/cpu.c47
1 files changed, 47 insertions, 0 deletions
diff --git a/arch/arm/mach-mx5/cpu.c b/arch/arm/mach-mx5/cpu.c
new file mode 100644
index 000000000000..41c769f08c4d
--- /dev/null
+++ b/arch/arm/mach-mx5/cpu.c
@@ -0,0 +1,47 @@
+/*
+ * Copyright 2008-2009 Freescale Semiconductor, Inc. All Rights Reserved.
+ *
+ * The code contained herein is licensed under the GNU General Public
+ * License. You may obtain a copy of the GNU General Public License
+ * Version 2 or later at the following locations:
+ *
+ * http://www.opensource.org/licenses/gpl-license.html
+ * http://www.gnu.org/copyleft/gpl.html
+ *
+ * This file contains the CPU initialization code.
+ */
+
+#include <linux/types.h>
+#include <linux/kernel.h>
+#include <linux/init.h>
+#include <mach/hardware.h>
+#include <asm/io.h>
+
+static int __init post_cpu_init(void)
+{
+ unsigned int reg;
+ void __iomem *base;
+
+ if (!cpu_is_mx51())
+ return 0;
+
+ base = MX51_IO_ADDRESS(MX51_AIPS1_BASE_ADDR);
+ __raw_writel(0x0, base + 0x40);
+ __raw_writel(0x0, base + 0x44);
+ __raw_writel(0x0, base + 0x48);
+ __raw_writel(0x0, base + 0x4C);
+ reg = __raw_readl(base + 0x50) & 0x00FFFFFF;
+ __raw_writel(reg, base + 0x50);
+
+ base = MX51_IO_ADDRESS(MX51_AIPS2_BASE_ADDR);
+ __raw_writel(0x0, base + 0x40);
+ __raw_writel(0x0, base + 0x44);
+ __raw_writel(0x0, base + 0x48);
+ __raw_writel(0x0, base + 0x4C);
+ reg = __raw_readl(base + 0x50) & 0x00FFFFFF;
+ __raw_writel(reg, base + 0x50);
+
+ return 0;
+}
+
+postcore_initcall(post_cpu_init);
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