1 files changed, 74 insertions, 0 deletions
diff --git a/arch/arm/mach-iop3xx/common.c b/arch/arm/mach-iop3xx/common.c
new file mode 100644
index 0000000..bda7394
--- /dev/null
+++ b/arch/arm/mach-iop3xx/common.c
@@ -0,0 +1,74 @@
+/*
+ * arch/arm/mach-iop3xx/common.c
+ *
+ * Common routines shared across all IOP3xx implementations
+ *
+ * Author: Deepak Saxena <dsaxena@mvista.com>
+ *
+ * Copyright 2003 (c) MontaVista, Software, Inc.
+ *
+ * This file is licensed under  the terms of the GNU General Public
+ * License version 2. This program is licensed "as is" without any
+ * warranty of any kind, whether express or implied.
+ */
+
+#include <linux/config.h>
+#include <linux/delay.h>
+#include <asm/hardware.h>
+
+/*
+ * Shared variables
+ */
+unsigned long iop3xx_pcibios_min_io = 0;
+unsigned long iop3xx_pcibios_min_mem = 0;
+
+#ifdef CONFIG_ARCH_EP80219
+#include <linux/kernel.h>
+/*
+ * Default power-off for EP80219
+ */
+#include <asm/mach-types.h>
+
+static inline void ep80219_send_to_pic(__u8 c) {
+}
+
+void ep80219_power_off(void)
+{
+	/*
+     * This function will send a SHUTDOWN_COMPLETE message to the PIC controller
+     * over I2C.  We are not using the i2c subsystem since we are going to power
+     * off and it may be removed
+     */
+
+	/* Send the Address byte w/ the start condition */
+	*IOP321_IDBR1 = 0x60;
+	*IOP321_ICR1 = 0xE9;
+    mdelay(1);
+
+	/* Send the START_MSG byte w/ no start or stop condition */
+	*IOP321_IDBR1 = 0x0F;
+	*IOP321_ICR1 = 0xE8;
+    mdelay(1);
+
+	/* Send the SHUTDOWN_COMPLETE Message ID byte w/ no start or stop condition */
+	*IOP321_IDBR1 = 0x03;
+	*IOP321_ICR1 = 0xE8;
+    mdelay(1);
+
+	/* Send an ignored byte w/ stop condition */
+	*IOP321_IDBR1 = 0x00;
+	*IOP321_ICR1 = 0xEA;
+
+	while (1) ;
+}
+
+#include <linux/init.h>
+#include <linux/pm.h>
+
+static int __init ep80219_init(void)
+{
+	pm_power_off = ep80219_power_off;
+	return 0;
+}
+arch_initcall(ep80219_init);
+#endif