Merge branch 'devel' of master.kernel.org:/home/rmk/linux-2.6-arm

* 'devel' of master.kernel.org:/home/rmk/linux-2.6-arm: (422 commits)
  [ARM] 5435/1: fix compile warning in sanity_check_meminfo()
  [ARM] 5434/1: ARM: OMAP: Fix mailbox compile for 24xx
  [ARM] pxa: fix the bad assumption that PCMCIA sockets always start with 0
  [ARM] pxa: fix Colibri PXA300 and PXA320 LCD backlight pins
  imxfb: Fix TFT mode
  i.MX21/27: remove ifdef CONFIG_FB_IMX
  imxfb: add clock support
  mxc: add arch_reset() function
  clkdev: add possibility to get a clock based on the device name
  i.MX1: remove fb support from mach-imx
  [ARM] pxa: build arch/arm/plat-pxa/mfp.c only when PXA3xx or ARCH_MMP defined
  Gemini: Add support for Teltonika RUT100
  Gemini: gpiolib based GPIO support v2
  MAINTAINERS: add myself as Gemini architecture maintainer
  ARM: Add Gemini architecture v3
  [ARM] OMAP: Fix compile for omap2_init_common_hw()
  MAINTAINERS: Add myself as Faraday ARM core variant maintainer
  ARM: Add support for FA526 v2
  [ARM] acorn,ebsa110,footbridge,integrator,sa1100: Convert asm/io.h to linux/io.h
  [ARM] collie: fix two minor formatting nits
  ...

1 files changed, 67 insertions, 0 deletions

diff --git a/arch/arm/plat-mxc/system.c b/arch/arm/plat-mxc/system.c
new file mode 100644
index 000000000000..79c37577c916
--- /dev/null
+++ b/arch/arm/plat-mxc/system.c
@@ -0,0 +1,67 @@
+/*
+ * Copyright (C) 1999 ARM Limited
+ * Copyright (C) 2000 Deep Blue Solutions Ltd
+ * Copyright 2006-2007 Freescale Semiconductor, Inc. All Rights Reserved.
+ * Copyright 2008 Juergen Beisert, kernel@pengutronix.de
+ * Copyright 2009 Ilya Yanok, Emcraft Systems Ltd, yanok@emcraft.com
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ */
+
+#include <linux/kernel.h>
+#include <linux/clk.h>
+#include <linux/io.h>
+#include <linux/err.h>
+#include <linux/delay.h>
+
+#include <mach/hardware.h>
+#include <asm/proc-fns.h>
+#include <asm/system.h>
+
+#ifdef CONFIG_ARCH_MX1
+#define WDOG_WCR_REG            IO_ADDRESS(WDT_BASE_ADDR)
+#define WDOG_WCR_ENABLE         (1 << 0)
+#else
+#define WDOG_WCR_REG            IO_ADDRESS(WDOG_BASE_ADDR)
+#define WDOG_WCR_ENABLE         (1 << 2)
+#endif
+
+/*
+ * Reset the system. It is called by machine_restart().
+ */
+void arch_reset(char mode, const char *cmd)
+{
+        if (!cpu_is_mx1()) {
+                struct clk *clk;
+
+                clk = clk_get_sys("imx-wdt.0", NULL);
+                if (!IS_ERR(clk))
+                        clk_enable(clk);
+        }
+
+        /* Assert SRS signal */
+        __raw_writew(WDOG_WCR_ENABLE, WDOG_WCR_REG);
+
+        /* wait for reset to assert... */
+        mdelay(500);
+
+        printk(KERN_ERR "Watchdog reset failed to assert reset\n");
+
+        /* delay to allow the serial port to show the message */
+        mdelay(50);
+
+        /* we'll take a jump through zero as a poor second */
+        cpu_reset(0);
+}