patch-2.4.10 linux/arch/sh/kernel/io_adx.c

• Lines: 193
• Date: Sat Sep 8 12:29:09 2001
• Orig file: v2.4.9/linux/arch/sh/kernel/io_adx.c
• Orig date: Wed Dec 31 16:00:00 1969

diff -u --recursive --new-file v2.4.9/linux/arch/sh/kernel/io_adx.c linux/arch/sh/kernel/io_adx.c
@@ -0,0 +1,192 @@
+/* 
+ * linux/arch/sh/kernel/io_adx.c
+ *
+ * Copyright (C) 2001 A&D Co., Ltd.
+ *
+ * I/O routine and setup routines for A&D ADX Board
+ *
+ * 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.
+ *
+ */
+
+#include <asm/io.h>
+#include <asm/machvec.h>
+#include <linux/module.h>
+
+#define PORT2ADDR(x) (adx_isa_port2addr(x))
+
+static inline void delay(void)
+{
+	ctrl_inw(0xa0000000);
+}
+
+unsigned char adx_inb(unsigned long port)
+{
+	return *(volatile unsigned char*)PORT2ADDR(port);
+}
+
+unsigned short adx_inw(unsigned long port)
+{
+	return *(volatile unsigned short*)PORT2ADDR(port);
+}
+
+unsigned int adx_inl(unsigned long port)
+{
+	return *(volatile unsigned long*)PORT2ADDR(port);
+}
+
+unsigned char adx_inb_p(unsigned long port)
+{
+	unsigned long v = *(volatile unsigned char*)PORT2ADDR(port);
+
+	delay();
+	return v;
+}
+
+unsigned short adx_inw_p(unsigned long port)
+{
+	unsigned long v = *(volatile unsigned short*)PORT2ADDR(port);
+
+	delay();
+	return v;
+}
+
+unsigned int adx_inl_p(unsigned long port)
+{
+	unsigned long v = *(volatile unsigned long*)PORT2ADDR(port);
+
+	delay();
+	return v;
+}
+
+void adx_insb(unsigned long port, void *buffer, unsigned long count)
+{
+	unsigned char *buf = buffer;
+	while(count--) *buf++ = inb(port);
+}
+
+void adx_insw(unsigned long port, void *buffer, unsigned long count)
+{
+	unsigned short *buf = buffer;
+	while(count--) *buf++ = inw(port);
+}
+
+void adx_insl(unsigned long port, void *buffer, unsigned long count)
+{
+	unsigned long *buf = buffer;
+	while(count--) *buf++ = inl(port);
+}
+
+void adx_outb(unsigned char b, unsigned long port)
+{
+	*(volatile unsigned char*)PORT2ADDR(port) = b;
+}
+
+void adx_outw(unsigned short b, unsigned long port)
+{
+	*(volatile unsigned short*)PORT2ADDR(port) = b;
+}
+
+void adx_outl(unsigned int b, unsigned long port)
+{
+	*(volatile unsigned long*)PORT2ADDR(port) = b;
+}
+
+void adx_outb_p(unsigned char b, unsigned long port)
+{
+	*(volatile unsigned char*)PORT2ADDR(port) = b;
+	delay();
+}
+
+void adx_outw_p(unsigned short b, unsigned long port)
+{
+	*(volatile unsigned short*)PORT2ADDR(port) = b;
+	delay();
+}
+
+void adx_outl_p(unsigned int b, unsigned long port)
+{
+	*(volatile unsigned long*)PORT2ADDR(port) = b;
+	delay();
+}
+
+void adx_outsb(unsigned long port, const void *buffer, unsigned long count)
+{
+	const unsigned char *buf = buffer;
+	while(count--) outb(*buf++, port);
+}
+
+void adx_outsw(unsigned long port, const void *buffer, unsigned long count)
+{
+	const unsigned short *buf = buffer;
+	while(count--) outw(*buf++, port);
+}
+
+void adx_outsl(unsigned long port, const void *buffer, unsigned long count)
+{
+	const unsigned long *buf = buffer;
+	while(count--) outl(*buf++, port);
+}
+
+unsigned char adx_readb(unsigned long addr)
+{
+	return *(volatile unsigned char*)addr;
+}
+
+unsigned short adx_readw(unsigned long addr)
+{
+	return *(volatile unsigned short*)addr;
+}
+
+unsigned int adx_readl(unsigned long addr)
+{
+	return *(volatile unsigned long*)addr;
+}
+
+void adx_writeb(unsigned char b, unsigned long addr)
+{
+	*(volatile unsigned char*)addr = b;
+}
+
+void adx_writew(unsigned short b, unsigned long addr)
+{
+	*(volatile unsigned short*)addr = b;
+}
+
+void adx_writel(unsigned int b, unsigned long addr)
+{
+	*(volatile unsigned long*)addr = b;
+}
+
+void *adx_ioremap(unsigned long offset, unsigned long size)
+{
+	return (void *)P2SEGADDR(offset);
+}
+
+EXPORT_SYMBOL (adx_ioremap);
+
+void adx_iounmap(void *addr)
+{
+}
+
+EXPORT_SYMBOL(adx_iounmap);
+
+#include <linux/vmalloc.h>
+extern void *cf_io_base;
+
+unsigned long adx_isa_port2addr(unsigned long offset)
+{
+  /* CompactFlash (IDE) */
+	if (((offset >= 0x1f0) && (offset <= 0x1f7)) || (offset == 0x3f6)) {
+		return (unsigned long)cf_io_base + offset;
+	}
+
+  /* eth0 */
+	if ((offset >= 0x300) && (offset <= 0x30f)) {
+		return 0xa5000000 + offset;	/* COMM BOARD (AREA1) */
+	}
+
+	return offset + 0xb0000000; /* IOBUS (AREA 4)*/
+}