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diff --git a/include/asm-mips/mach-pb1x00/pb1000.h b/include/asm-mips/mach-pb1x00/pb1000.h
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+++ b/include/asm-mips/mach-pb1x00/pb1000.h
@@ -0,0 +1,172 @@
+/*
+ * Alchemy Semi PB1000 Referrence Board
+ *
+ * Copyright 2001 MontaVista Software Inc.
+ * Author: MontaVista Software, Inc.
+ * ppopov@mvista.com or source@mvista.com
+ *
+ * ########################################################################
+ *
+ * This program is free software; you can distribute it and/or modify it
+ * under the terms of the GNU General Public License (Version 2) as
+ * published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
+ * for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 59 Temple Place - Suite 330, Boston MA 02111-1307, USA.
+ *
+ * ########################################################################
+ *
+ *
+ */
+#ifndef __ASM_PB1000_H
+#define __ASM_PB1000_H
+
+/* PCMCIA PB1000 specific defines */
+#define PCMCIA_MAX_SOCK 1
+#define PCMCIA_NUM_SOCKS (PCMCIA_MAX_SOCK+1)
+
+#define PB1000_PCR 0xBE000000
+ #define PCR_SLOT_0_VPP0 (1<<0)
+ #define PCR_SLOT_0_VPP1 (1<<1)
+ #define PCR_SLOT_0_VCC0 (1<<2)
+ #define PCR_SLOT_0_VCC1 (1<<3)
+ #define PCR_SLOT_0_RST (1<<4)
+
+ #define PCR_SLOT_1_VPP0 (1<<8)
+ #define PCR_SLOT_1_VPP1 (1<<9)
+ #define PCR_SLOT_1_VCC0 (1<<10)
+ #define PCR_SLOT_1_VCC1 (1<<11)
+ #define PCR_SLOT_1_RST (1<<12)
+
+#define PB1000_MDR 0xBE000004
+ #define MDR_PI (1<<5) /* pcmcia int latch */
+ #define MDR_EPI (1<<14) /* enable pcmcia int */
+ #define MDR_CPI (1<<15) /* clear pcmcia int */
+
+#define PB1000_ACR1 0xBE000008
+ #define ACR1_SLOT_0_CD1 (1<<0) /* card detect 1 */
+ #define ACR1_SLOT_0_CD2 (1<<1) /* card detect 2 */
+ #define ACR1_SLOT_0_READY (1<<2) /* ready */
+ #define ACR1_SLOT_0_STATUS (1<<3) /* status change */
+ #define ACR1_SLOT_0_VS1 (1<<4) /* voltage sense 1 */
+ #define ACR1_SLOT_0_VS2 (1<<5) /* voltage sense 2 */
+ #define ACR1_SLOT_0_INPACK (1<<6) /* inpack pin status */
+ #define ACR1_SLOT_1_CD1 (1<<8) /* card detect 1 */
+ #define ACR1_SLOT_1_CD2 (1<<9) /* card detect 2 */
+ #define ACR1_SLOT_1_READY (1<<10) /* ready */
+ #define ACR1_SLOT_1_STATUS (1<<11) /* status change */
+ #define ACR1_SLOT_1_VS1 (1<<12) /* voltage sense 1 */
+ #define ACR1_SLOT_1_VS2 (1<<13) /* voltage sense 2 */
+ #define ACR1_SLOT_1_INPACK (1<<14) /* inpack pin status */
+
+#define CPLD_AUX0 0xBE00000C
+#define CPLD_AUX1 0xBE000010
+#define CPLD_AUX2 0xBE000014
+
+/* Voltage levels */
+
+/* VPPEN1 - VPPEN0 */
+#define VPP_GND ((0<<1) | (0<<0))
+#define VPP_5V ((1<<1) | (0<<0))
+#define VPP_3V ((0<<1) | (1<<0))
+#define VPP_12V ((0<<1) | (1<<0))
+#define VPP_HIZ ((1<<1) | (1<<0))
+
+/* VCCEN1 - VCCEN0 */
+#define VCC_3V ((0<<1) | (1<<0))
+#define VCC_5V ((1<<1) | (0<<0))
+#define VCC_HIZ ((0<<1) | (0<<0))
+
+/* VPP/VCC */
+#define SET_VCC_VPP(VCC, VPP, SLOT)\
+ ((((VCC)<<2) | ((VPP)<<0)) << ((SLOT)*8))
+
+
+/* PCI PB1000 specific defines */
+/* The reason these defines are here instead of au1000.h is because
+ * the Au1000 does not have a PCI bus controller so the PCI implementation
+ * on the some of the older Pb1000 boards was very board specific.
+ */
+#define PCI_CONFIG_BASE 0xBA020000 /* the only external slot */
+
+#define SDRAM_DEVID 0xBA010000
+#define SDRAM_CMD 0xBA010004
+#define SDRAM_CLASS 0xBA010008
+#define SDRAM_MISC 0xBA01000C
+#define SDRAM_MBAR 0xBA010010
+
+#define PCI_IO_DATA_PORT 0xBA800000
+
+#define PCI_IO_ADDR 0xBE00001C
+#define PCI_INT_ACK 0xBBC00000
+#define PCI_IO_READ 0xBBC00020
+#define PCI_IO_WRITE 0xBBC00030
+
+#define PCI_BRIDGE_CONFIG 0xBE000018
+
+#define PCI_IO_START 0x10000000
+#define PCI_IO_END 0x1000ffff
+#define PCI_MEM_START 0x18000000
+#define PCI_MEM_END 0x18ffffff
+
+#define PCI_FIRST_DEVFN 0
+#define PCI_LAST_DEVFN 1
+
+static inline u8 au_pci_io_readb(u32 addr)
+{
+ writel(addr, PCI_IO_ADDR);
+ writel((readl(PCI_BRIDGE_CONFIG) & 0xffffcfff) | (1<<12), PCI_BRIDGE_CONFIG);
+ return (readl(PCI_IO_DATA_PORT) & 0xff);
+}
+
+static inline u16 au_pci_io_readw(u32 addr)
+{
+ writel(addr, PCI_IO_ADDR);
+ writel((readl(PCI_BRIDGE_CONFIG) & 0xffffcfff) | (1<<13), PCI_BRIDGE_CONFIG);
+ return (readl(PCI_IO_DATA_PORT) & 0xffff);
+}
+
+static inline u32 au_pci_io_readl(u32 addr)
+{
+ writel(addr, PCI_IO_ADDR);
+ writel((readl(PCI_BRIDGE_CONFIG) & 0xffffcfff), PCI_BRIDGE_CONFIG);
+ return readl(PCI_IO_DATA_PORT);
+}
+
+static inline void au_pci_io_writeb(u8 val, u32 addr)
+{
+ writel(addr, PCI_IO_ADDR);
+ writel((readl(PCI_BRIDGE_CONFIG) & 0xffffcfff) | (1<<12), PCI_BRIDGE_CONFIG);
+ writel(val, PCI_IO_DATA_PORT);
+}
+
+static inline void au_pci_io_writew(u16 val, u32 addr)
+{
+ writel(addr, PCI_IO_ADDR);
+ writel((readl(PCI_BRIDGE_CONFIG) & 0xffffcfff) | (1<<13), PCI_BRIDGE_CONFIG);
+ writel(val, PCI_IO_DATA_PORT);
+}
+
+static inline void au_pci_io_writel(u32 val, u32 addr)
+{
+ writel(addr, PCI_IO_ADDR);
+ writel(readl(PCI_BRIDGE_CONFIG) & 0xffffcfff, PCI_BRIDGE_CONFIG);
+ writel(val, PCI_IO_DATA_PORT);
+}
+
+static inline void set_sdram_extbyte(void)
+{
+ writel(readl(PCI_BRIDGE_CONFIG) & 0xffffff00, PCI_BRIDGE_CONFIG);
+}
+
+static inline void set_slot_extbyte(void)
+{
+ writel((readl(PCI_BRIDGE_CONFIG) & 0xffffbf00) | 0x18, PCI_BRIDGE_CONFIG);
+}
+#endif /* __ASM_PB1000_H */