From e7c2a72e2680827d6a733931273a93461c0d8d1b Mon Sep 17 00:00:00 2001
From: Ralf Baechle <ralf@linux-mips.org>
Date: Tue, 14 Nov 1995 08:00:00 +0000
Subject: Import of Linux/MIPS 1.3.0

---
 include/asm-sparc/io.h | 100 +++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 100 insertions(+)
 create mode 100644 include/asm-sparc/io.h

(limited to 'include/asm-sparc/io.h')

diff --git a/include/asm-sparc/io.h b/include/asm-sparc/io.h
new file mode 100644
index 000000000..5aa1a3fac
--- /dev/null
+++ b/include/asm-sparc/io.h
@@ -0,0 +1,100 @@
+#ifndef __SPARC_IO_H
+#define __SPARC_IO_H
+
+#include <asm/page.h>      /* IO address mapping routines need this */
+
+/*
+ * Defines for io operations on the Sparc. Whether a memory access is going
+ * to i/o sparc is encoded in the pte. The type bits determine whether this
+ * is i/o sparc, on board memory, or VME space for VME cards. I think VME
+ * space only works on sun4's
+ */
+
+extern inline unsigned long inb_local(unsigned long addr)
+{
+  return 0;
+}
+
+extern inline void outb_local(unsigned char b, unsigned long addr)
+{
+  return;
+}
+
+extern inline unsigned long inb(unsigned long addr)
+{
+  return 0;
+}
+
+extern inline unsigned long inw(unsigned long addr)
+{
+  return 0;
+}
+
+extern inline unsigned long inl(unsigned long addr)
+{
+  return 0;
+}
+
+extern inline void outb(unsigned char b, unsigned long addr)
+{
+  return;
+}
+
+extern inline void outw(unsigned short b, unsigned long addr)
+{
+  return;
+}
+
+extern inline void outl(unsigned int b, unsigned long addr)
+{
+  return;
+}
+
+/*
+ * Memory functions
+ */
+extern inline unsigned long readb(unsigned long addr)
+{
+  return 0;
+}
+
+extern inline unsigned long readw(unsigned long addr)
+{
+  return 0;
+}
+
+extern inline unsigned long readl(unsigned long addr)
+{
+  return 0;
+}
+
+extern inline void writeb(unsigned short b, unsigned long addr)
+{
+  return;
+}
+
+extern inline void writew(unsigned short b, unsigned long addr)
+{
+  return;
+}
+
+extern inline void writel(unsigned int b, unsigned long addr)
+{
+  return;
+}
+
+#define inb_p inb
+#define outb_p outb
+
+extern inline void mapioaddr(unsigned long physaddr, unsigned long virt_addr)
+{
+  unsigned long page_entry;
+
+  page_entry = physaddr >> PAGE_SHIFT;
+  page_entry |= (PTE_V | PTE_ACC | PTE_NC | PTE_IO);  /* kernel io addr */
+
+  put_pte(virt_addr, page_entry);
+  return;
+}
+
+#endif /* !(__SPARC_IO_H) */
-- 
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