I8042: Add SPARC support.

drivers/input/serio/i8042-sparcio.h

+#ifndef _I8042_SPARCIO_H
+#define _I8042_SPARCIO_H
+
+#include <asm/oplib.h>
+#include <asm/ebus.h>
+
+static int i8042_kbd_irq = -1;
+static int i8042_aux_irq = -1;
+#define I8042_KBD_IRQ i8042_kbd_irq
+#define I8042_AUX_IRQ i8042_aux_irq
+
+#define I8042_KBD_PHYS_DESC "sparcps2/serio0"
+#define I8042_AUX_PHYS_DESC "sparcps2/serio1"
+
+static unsigned long kbd_iobase;
+
+static inline int i8042_read_data(void)
+{
+	return readb(kbd_iobase + 0x60UL);
+}
+
+static inline int i8042_read_status(void)
+{
+	return readb(kbd_iobase + 0x64UL);
+}
+
+static inline void i8042_write_data(int val)
+{
+	writeb(val, kbd_iobase + 0x60UL);
+}
+
+static inline void i8042_write_command(int val)
+{
+	writeb(val, kbd_iobase + 0x64UL);
+}
+
+#define OBP_PS2KBD_NAME1	"kb_ps2"
+#define OBP_PS2KBD_NAME2	"keyboard"
+#define OBP_PS2MS_NAME1		"kdmouse"
+#define OBP_PS2MS_NAME2		"mouse"
+
+static int i8042_platform_init(void)
+{
+	char prop[128];
+	int len;
+
+	len = prom_getproperty(prom_root_node, "name", prop, sizeof(prop));
+	if (len < 0) {
+		printk("i8042: Cannot get name property of root OBP node.\n");
+		return 0;
+	}
+	if (strncmp(prop, "SUNW,JavaStation-1", len) == 0) {
+		/* Hardcoded values for MrCoffee.  */
+		i8042_kbd_irq = i8042_aux_irq = 13 | 0x20;
+		kbd_iobase = (unsigned long) ioremap(0x71300060, 8);
+		if (!kbd_iobase)
+			return 0;
+	} else {
+		struct linux_ebus *ebus;
+		struct linux_ebus_device *edev;
+		struct linux_ebus_child *child;
+
+		for_each_ebus(ebus) {
+			for_each_ebusdev(edev, ebus) {
+				if (!strcmp(edev->prom_name, "8042"))
+					goto edev_found;
+			}
+		}
+		return 0;
+
+	edev_found:
+		for_each_edevchild(edev, child) {
+			if (!strcmp(child->prom_name, OBP_PS2KBD_NAME1) ||
+			    !strcmp(child->prom_name, OBP_PS2KBD_NAME2)) {
+				i8042_kbd_irq = child->irqs[0];
+				kbd_iobase = (unsigned long)
+					ioremap(child->resource[0].start);
+			}
+			if (!strcmp(child->prom_name, OBP_PS2MS_NAME1) ||
+			    !strcmp(child->prom_name, OBP_PS2MS_NAME2))
+				i8042_aux_irq = child->irqs[0];
+		}
+		if (i8042_kbd_irq == -1 ||
+		    i8042_aux_irq == -1) {
+			printk("i8042: Error, 8042 device lacks both kbd and "
+			       "mouse nodes.\n");
+			return 0;
+		}
+	}
+
+	printk("i8042: kbd_base[%lx] irq[kbd(%x):aux(%x)]\n",
+	       kbd_iobase, i8042_kbd_irq, i8042_aux_irq);
+
+	return 1;
+}
+
+static inline void i8042_platform_exit(void)
+{
+	iounmap((void *)kbd_iobase);
+}

drivers/input/serio/i8042.h

@@ -15,6 +15,8 @@
 
 #if defined(CONFIG_PPC)
 #include "i8042-ppcio.h"
+#elif defined(CONFIG_SPARC32) || defined(CONFIG_SPARC64)
+#include "i8042-sparcio.h"
 #else
 #include "i8042-io.h"
 #endif