diff --git a/include/asm-mips/mach-ip22/cpu-feature-overrides.h b/include/asm-mips/mach-ip22/cpu-feature-overrides.h
new file mode 100644
index 0000000..3c8896d
--- /dev/null
+++ b/include/asm-mips/mach-ip22/cpu-feature-overrides.h
@@ -0,0 +1,29 @@
+/*
+ * 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.
+ *
+ * Copyright (C) 2003 Ralf Baechle
+ */
+#ifndef __ASM_MACH_IP22_CPU_FEATURE_OVERRIDES_H
+#define __ASM_MACH_IP22_CPU_FEATURE_OVERRIDES_H
+
+/*
+ * IP22 with a variety of processors so we can't use defaults for everything.
+ */
+#define cpu_has_mips16		0
+#define cpu_has_divec		0
+#define cpu_has_cache_cdex_p	1
+#define cpu_has_prefetch	0
+#define cpu_has_mcheck		0
+#define cpu_has_ejtag		0
+
+#define cpu_has_llsc		1
+#define cpu_has_vtag_icache	0		/* Needs to change for R8000 */
+#define cpu_has_dc_aliases	(PAGE_SIZE < 0x4000)
+#define cpu_has_ic_fills_f_dc	0
+
+#define cpu_has_nofpuex		0
+#define cpu_has_64bits		1
+
+#endif /* __ASM_MACH_IP22_CPU_FEATURE_OVERRIDES_H */
diff --git a/include/asm-mips/mach-ip22/ds1286.h b/include/asm-mips/mach-ip22/ds1286.h
new file mode 100644
index 0000000..f19f1ea
--- /dev/null
+++ b/include/asm-mips/mach-ip22/ds1286.h
@@ -0,0 +1,18 @@
+/*
+ * 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.
+ *
+ * Copyright (C) 1998, 2001, 03 by Ralf Baechle
+ *
+ * RTC routines for PC style attached Dallas chip.
+ */
+#ifndef __ASM_MACH_IP22_DS1286_H
+#define __ASM_MACH_IP22_DS1286_H
+
+#include <asm/sgi/hpc3.h>
+
+#define rtc_read(reg)		(hpc3c0->rtcregs[(reg)] & 0xff)
+#define rtc_write(data, reg)	do { hpc3c0->rtcregs[(reg)] = (data); } while(0)
+
+#endif /* __ASM_MACH_IP22_DS1286_H */
diff --git a/include/asm-mips/mach-ip22/spaces.h b/include/asm-mips/mach-ip22/spaces.h
new file mode 100644
index 0000000..30d42fc
--- /dev/null
+++ b/include/asm-mips/mach-ip22/spaces.h
@@ -0,0 +1,55 @@
+/*
+ * 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.
+ *
+ * Copyright (C) 1994 - 1999, 2000, 03, 04 Ralf Baechle
+ * Copyright (C) 2000, 2002  Maciej W. Rozycki
+ * Copyright (C) 1990, 1999, 2000 Silicon Graphics, Inc.
+ */
+#ifndef _ASM_MACH_IP22_SPACES_H
+#define _ASM_MACH_IP22_SPACES_H
+
+#include <linux/config.h>
+
+#ifdef CONFIG_MIPS32
+
+#define CAC_BASE		0x80000000
+#define IO_BASE			0xa0000000
+#define UNCAC_BASE		0xa0000000
+#define MAP_BASE		0xc0000000
+
+/*
+ * This handles the memory map.
+ * We handle pages at KSEG0 for kernels with 32 bit address space.
+ */
+#define PAGE_OFFSET		0x80000000UL
+
+/*
+ * Memory above this physical address will be considered highmem.
+ */
+#ifndef HIGHMEM_START
+#define HIGHMEM_START		0x20000000UL
+#endif
+
+#endif /* CONFIG_MIPS32 */
+
+#ifdef CONFIG_MIPS64
+#define PAGE_OFFSET		0xffffffff80000000UL
+
+#ifndef HIGHMEM_START
+#define HIGHMEM_START		(1UL << 59UL)
+#endif
+
+#define CAC_BASE		0xffffffff80000000
+#define IO_BASE			0xffffffffa0000000
+#define UNCAC_BASE		0xffffffffa0000000
+#define MAP_BASE		0xffffffffc0000000
+
+#define TO_PHYS(x)		(             ((x) & TO_PHYS_MASK))
+#define TO_CAC(x)		(CAC_BASE   | ((x) & TO_PHYS_MASK))
+#define TO_UNCAC(x)		(UNCAC_BASE | ((x) & TO_PHYS_MASK))
+
+#endif /* CONFIG_MIPS64 */
+
+#endif /* __ASM_MACH_IP22_SPACES_H */