[PATCH] sh: EDOSK7705 board support

This adds support for the edosk7705 board from Renesas.
Signed-off-by: Paul Mundt <paul.mundt@nokia.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

arch/sh/boards/renesas/edosk7705/Makefile

+#
+# Makefile for the EDOSK7705 specific parts of the kernel
+#
+# Note! Dependencies are done automagically by 'make dep', which also
+# removes any old dependencies. DON'T put your own dependencies here
+# unless it's something special (ie not a .c file).
+#
+
+obj-y	 := setup.o io.o
+

arch/sh/boards/renesas/edosk7705/io.c

+/*
+ * arch/sh/boards/renesas/edosk7705/io.c
+ *
+ * Copyright (C) 2001  Ian da Silva, Jeremy Siegel
+ * Based largely on io_se.c.
+ *
+ * I/O routines for Hitachi EDOSK7705 board.
+ *
+ */
+
+#include <linux/kernel.h>
+#include <linux/types.h>
+#include <asm/io.h>
+#include <asm/edosk7705/io.h>
+#include <asm/addrspace.h>
+
+#define SMC_IOADDR	0xA2000000
+
+#define maybebadio(name,port) \
+  printk("bad PC-like io %s for port 0x%lx at 0x%08x\n", \
+	 #name, (port), (__u32) __builtin_return_address(0))
+
+/* Map the Ethernet addresses as if it is at 0x300 - 0x320 */
+unsigned long sh_edosk7705_isa_port2addr(unsigned long port)
+{
+     if (port >= 0x300 && port < 0x320) {
+	  /* SMC91C96 registers are 4 byte aligned rather than the
+	   * usual 2 byte!
+	   */
+	  return SMC_IOADDR + ( (port - 0x300) * 2);
+     }
+
+     maybebadio(sh_edosk7705_isa_port2addr, port);
+     return port;
+}
+
+/* Trying to read / write bytes on odd-byte boundaries to the Ethernet
+ * registers causes problems. So we bit-shift the value and read / write
+ * in 2 byte chunks. Setting the low byte to 0 does not cause problems
+ * now as odd byte writes are only made on the bit mask / interrupt
+ * register. This may not be the case in future Mar-2003 SJD
+ */
+unsigned char sh_edosk7705_inb(unsigned long port)
+{
+	if (port >= 0x300 && port < 0x320 && port & 0x01) {
+		return (volatile unsigned char)(generic_inw(port -1) >> 8);
+	}
+	return *(volatile unsigned char *)sh_edosk7705_isa_port2addr(port);
+}
+
+unsigned int sh_edosk7705_inl(unsigned long port)
+{
+	return *(volatile unsigned long *)port;
+}
+
+void sh_edosk7705_outb(unsigned char value, unsigned long port)
+{
+	if (port >= 0x300 && port < 0x320 && port & 0x01) {
+		generic_outw(((unsigned short)value << 8), port -1);
+		return;
+	}
+	*(volatile unsigned char *)sh_edosk7705_isa_port2addr(port) = value;
+}
+
+void sh_edosk7705_outl(unsigned int value, unsigned long port)
+{
+	*(volatile unsigned long *)port = value;
+}
+
+void sh_edosk7705_insb(unsigned long port, void *addr, unsigned long count)
+{
+	unsigned char *p = addr;
+	while (count--) *p++ = sh_edosk7705_inb(port);
+}
+
+void sh_edosk7705_insl(unsigned long port, void *addr, unsigned long count)
+{
+	unsigned long *p = (unsigned long*)addr;
+	while (count--)
+		*p++ = *(volatile unsigned long *)port;
+}
+
+void sh_edosk7705_outsb(unsigned long port, const void *addr, unsigned long count)
+{
+	unsigned char *p = (unsigned char*)addr;
+	while (count--) sh_edosk7705_outb(*p++, port);
+}
+
+void sh_edosk7705_outsl(unsigned long port, const void *addr, unsigned long count)
+{
+	unsigned long *p = (unsigned long*)addr;
+	while (count--) sh_edosk7705_outl(*p++, port);
+}
+

arch/sh/boards/renesas/edosk7705/setup.c

+/*
+ * arch/sh/boards/renesas/edosk7705/setup.c
+ *
+ * Copyright (C) 2000  Kazumoto Kojima
+ *
+ * Hitachi SolutionEngine Support.
+ *
+ * Modified for edosk7705 development
+ * board by S. Dunn, 2003.
+ */
+
+#include <linux/config.h>
+#include <linux/init.h>
+#include <asm/machvec.h>
+#include <asm/machvec_init.h>
+#include <asm/edosk7705/io.h>
+
+static void init_edosk7705(void);
+
+/*
+ * The Machine Vector
+ */
+
+struct sh_machine_vector mv_edosk7705 __initmv = {
+	.mv_nr_irqs		= 80,
+
+	.mv_inb			= sh_edosk7705_inb,
+	.mv_inl			= sh_edosk7705_inl,
+	.mv_outb		= sh_edosk7705_outb,
+	.mv_outl		= sh_edosk7705_outl,
+
+	.mv_inl_p		= sh_edosk7705_inl,
+	.mv_outl_p		= sh_edosk7705_outl,
+
+	.mv_insb		= sh_edosk7705_insb,
+	.mv_insl		= sh_edosk7705_insl,
+	.mv_outsb		= sh_edosk7705_outsb,
+	.mv_outsl		= sh_edosk7705_outsl,
+
+	.mv_isa_port2addr	= sh_edosk7705_isa_port2addr,
+	.mv_init_irq		= init_edosk7705,
+};
+ALIAS_MV(edosk7705)
+
+static void __init init_edosk7705(void)
+{
+	/* This is the Ethernet interrupt */
+	make_imask_irq(0x09);
+}
+
+const char *get_system_type(void)
+{
+	return "EDOSK7705";
+}
+
+void __init platform_setup(void)
+{
+	/* Nothing .. */
+}
+

include/asm-sh/edosk7705/io.h

+/*
+ * include/asm-sh/edosk7705/io.h
+ *
+ * Modified version of io_se.h for the EDOSK7705 specific functions.
+ *
+ * May be copied or modified under the terms of the GNU General Public
+ * License.  See linux/COPYING for more information.
+ *
+ * IO functions for an Hitachi EDOSK7705 development board
+ */
+
+#ifndef __ASM_SH_EDOSK7705_IO_H
+#define __ASM_SH_EDOSK7705_IO_H
+
+#include <asm/io_generic.h>
+
+extern unsigned char sh_edosk7705_inb(unsigned long port);
+extern unsigned int sh_edosk7705_inl(unsigned long port);
+
+extern void sh_edosk7705_outb(unsigned char value, unsigned long port);
+extern void sh_edosk7705_outl(unsigned int value, unsigned long port);
+
+extern void sh_edosk7705_insb(unsigned long port, void *addr, unsigned long count);
+extern void sh_edosk7705_insl(unsigned long port, void *addr, unsigned long count);
+extern void sh_edosk7705_outsb(unsigned long port, const void *addr, unsigned long count);
+extern void sh_edosk7705_outsl(unsigned long port, const void *addr, unsigned long count);
+
+extern unsigned long sh_edosk7705_isa_port2addr(unsigned long offset);
+
+#endif /* __ASM_SH_EDOSK7705_IO_H */