bcm63xx: prepare for watchdog support

PATCH New Florian Fainelli 1 participant 1 message Aug 10, 2009 MIPS

Share & tools

Florian Fainelli

author

2009-08-10 19:43 UTC #0 lore raw

PATCH 2/2 bcm63xx: prepare for watchdog support

This patch prepares the board code to register a bcm63xx_wdt platform_device that we are going to use in a subsequent patch.

Signed-off-by Florian Fainelli <[email protected]>

---

arch/mips/bcm63xx/Makefile +1 -0

index 70ba038..a4abc11 100644
@@ -5,6 +5,7 @@ obj-y		+= dev-usb-ohci.o
 obj-y		+= dev-usb-ehci.o
 obj-y		+= dev-enet.o
 obj-y		+= dev-dsp.o
+obj-y		+= dev-wdt.o
 obj-$(CONFIG_EARLY_PRINTK)	+= early_printk.o
 
 obj-y		+= boards/

arch/mips/bcm63xx/dev-wdt.c new file +37 -0

new file mode 100644
index 0000000..045bae0
@@ -0,0 +1,37 @@
+/*
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License.  See the file "COPYING" in the main directory of this archive
+ * for more details.
+ *
+ * Copyright (C) 2008 Florian Fainelli <[email protected]> 
+ */
+
+#include <linux/init.h>
+#include <linux/kernel.h>
+#include <linux/platform_device.h>
+#include <bcm63xx_cpu.h>
+
+static struct resource wdt_resources[] = {
+	{
+		.start		= -1, /* filled at runtime */
+		.end		= -1, /* filled at runtime */
+		.flags		= IORESOURCE_MEM,
+	},
+};
+
+static struct platform_device bcm63xx_wdt_device = {
+	.name		= "bcm63xx-wdt",
+	.id		= 0,
+	.num_resources	= ARRAY_SIZE(wdt_resources),
+	.resource	= wdt_resources,
+};
+
+int __init bcm63xx_wdt_register(void)
+{
+	wdt_resources[0].start = bcm63xx_regset_address(RSET_WDT);
+	wdt_resources[0].end = wdt_resources[0].start;
+	wdt_resources[0].end += RSET_WDT_SIZE - 1;
+
+	return platform_device_register(&bcm63xx_wdt_device);
+}
+arch_initcall(bcm63xx_wdt_register);