1 files changed, 39 insertions, 0 deletions
diff --git a/uClinux-2.4.20-uc1/include/asm-armnommu/arch-W90N745/io.h b/uClinux-2.4.20-uc1/include/asm-armnommu/arch-W90N745/io.h
new file mode 100644
index 0000000..4ccd6e4
--- /dev/null
+++ b/uClinux-2.4.20-uc1/include/asm-armnommu/arch-W90N745/io.h
@@ -0,0 +1,39 @@
+/*
+ * linux/include/asm-armnommu/arch-W90N745/io.h
+ *
+ * Copyright (C) 1997-1999 Russell King
+ *
+ * Modifications:
+ *  06-12-1997	RMK	Created.
+ *  07-04-1999	RMK	Major cleanup
+ *  02-19-2001  gjm     Leveraged for armnommu/dsc21
+ */
+#ifndef __ASM_ARM_ARCH_IO_H
+#define __ASM_ARM_ARCH_IO_H
+
+/*
+ * kernel/resource.c uses this to initialize the global ioport_resource struct
+ * which is used in all calls to request_resource(), allocate_resource(), etc.
+ * --gmcnutt
+ */
+#define IO_SPACE_LIMIT 0xffffffff
+
+/*
+ * If we define __io then asm/io.h will take care of most of the inb & friends
+ * macros. It still leaves us some 16bit macros to deal with ourselves, though.
+ * We don't have PCI or ISA on the dsc21 so I dropped __mem_pci & __mem_isa.
+ * --gmcnutt
+ */
+#define PCIO_BASE 0
+#define __io(a) (PCIO_BASE + (a))
+#define __arch_getw(a) (*(volatile unsigned short *)(a))
+#define __arch_putw(v,a) (*(volatile unsigned short *)(a) = (v))
+
+/*
+ * Defining these two gives us ioremap for free. See asm/io.h.
+ * --gmcnutt
+ */
+#define iomem_valid_addr(iomem,sz) (1)
+#define iomem_to_phys(iomem) (iomem)
+
+#endif