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authorOliver Schinagl <oliver@schinagl.nl>2011-04-12 20:55:03 (GMT)
committerOliver Schinagl <oliver@schinagl.nl>2011-04-12 20:55:03 (GMT)
commit81dab211200deb1f6b665810ab0e430181cf7bfd (patch)
tree1bc72e789dda7952551b58c5b4684456b692b602 /uClinux-2.4.20-uc1/include/asm-armnommu/arch-W90N745/io.h
parent53d491d04770dac7e402b20340561ccb399981c9 (diff)
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Architecture specific stuff, basically, without drivers.
Diffstat (limited to 'uClinux-2.4.20-uc1/include/asm-armnommu/arch-W90N745/io.h')
-rw-r--r--uClinux-2.4.20-uc1/include/asm-armnommu/arch-W90N745/io.h39
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