patch-2.3.23 linux/include/asm-arm/arch-sa1100/io.h

• Lines: 47
• Date: Wed Oct 20 16:29:08 1999
• Orig file: v2.3.22/linux/include/asm-arm/arch-sa1100/io.h
• Orig date: Wed Dec 31 16:00:00 1969

diff -u --recursive --new-file v2.3.22/linux/include/asm-arm/arch-sa1100/io.h linux/include/asm-arm/arch-sa1100/io.h
@@ -0,0 +1,46 @@
+/*
+ * linux/include/asm-arm/arch-ebsa285/io.h
+ *
+ * Copyright (C) 1997-1999 Russell King
+ *
+ * Modifications:
+ *  06-12-1997	RMK	Created.
+ *  07-04-1999	RMK	Major cleanup
+ */
+#ifndef __ASM_ARM_ARCH_IO_H
+#define __ASM_ARM_ARCH_IO_H
+
+/*
+ * This architecture does not require any delayed IO
+ */
+#undef	ARCH_IO_DELAY
+
+#define __pci_io_addr(x)	(PCIO_BASE + (unsigned int)(x))
+
+#define __inb(p)		(*(volatile unsigned char *)__pci_io_addr(p))
+#define __inl(p)		(*(volatile unsigned long *)__pci_io_addr(p))
+
+extern __inline__ unsigned int __inw(unsigned int port)
+{
+	unsigned int value;
+	__asm__ __volatile__(
+	"ldr%?h	%0, [%1, %2]	@ inw"
+	: "=&r" (value)
+	: "r" (PCIO_BASE), "r" (port));
+	return value;
+}
+
+
+#define __outb(v,p)		(*(volatile unsigned char *)__pci_io_addr(p) = (v))
+#define __outl(v,p)		(*(volatile unsigned long *)__pci_io_addr(p) = (v))
+
+extern __inline__ void __outw(unsigned int value, unsigned int port)
+{
+	__asm__ __volatile__(
+	"str%?h	%0, [%1, %2]	@ outw"
+	: : "r" (value), "r" (PCIO_BASE), "r" (port));
+}
+
+#define __ioaddr(p)	__pci_io_addr(p)
+
+#endif