ITE 8172 patches from Pete Popov slightly hacked by me.

11 files changed, 933 insertions, 2 deletions

diff --git a/include/asm-mips/bootinfo.h b/include/asm-mips/bootinfo.h
index 11ef63d76..f09346385 100644
--- a/include/asm-mips/bootinfo.h
+++ b/include/asm-mips/bootinfo.h
@@ -25,9 +25,10 @@
 #define MACH_GROUP_COSINE      10 /* CoSine Orion                             */
 #define MACH_GROUP_GALILEO     11 /* Galileo Eval Boards                      */
 #define MACH_GROUP_MOMENCO     12 /* Momentum Boards                          */
+#define MACH_GROUP_ITE         13 /* ITE Semi Eval Boards*/
 
 #define GROUP_NAMES { "unknown", "Jazz", "Digital", "ARC", "SNI", "ACN",      \
-	"SGI", "Cobalt", "NEC DDB", "Baget", "Cosine", "Galileo", "Momentum" }
+	"SGI", "Cobalt", "NEC DDB", "Baget", "Cosine", "Galileo", "Momentum", "ITE" }
 
 /*
  * Valid machtype values for group unknown (low order halfword of mips_machtype)
@@ -140,6 +141,14 @@
 
 #define GROUP_MOMENCO_NAMES { "Ocelot" }
 
+ 
+/*
+ * Valid machtype for group ITE
+ */
+#define MACH_QED_4N_S01B	0	/* ITE8172 based eval board */
+ 
+#define GROUP_ITE_NAMES { "QED-4N-S01B" } /* the actual board name */
+
 /*
  * Valid cputype values
  */
diff --git a/include/asm-mips/it8172/it8172.h b/include/asm-mips/it8172/it8172.h
new file mode 100644
index 000000000..980d1d59d
--- /dev/null
+++ b/include/asm-mips/it8172/it8172.h
@@ -0,0 +1,406 @@
+/*
+ *
+ * BRIEF MODULE DESCRIPTION
+ *	IT8172 system controller defines.
+ *
+ * Copyright 2000 MontaVista Software Inc.
+ * Author: MontaVista Software, Inc.
+ *         	ppopov@mvista.com or support@mvista.com
+ *
+ *  This program is free software; you can redistribute  it and/or modify it
+ *  under  the terms of  the GNU General  Public License as published by the
+ *  Free Software Foundation;  either version 2 of the  License, or (at your
+ *  option) any later version.
+ *
+ *  THIS  SOFTWARE  IS PROVIDED   ``AS  IS'' AND   ANY  EXPRESS OR IMPLIED
+ *  WARRANTIES,   INCLUDING, BUT NOT  LIMITED  TO, THE IMPLIED WARRANTIES OF
+ *  MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.  IN
+ *  NO  EVENT  SHALL   THE AUTHOR  BE    LIABLE FOR ANY   DIRECT, INDIRECT,
+ *  INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+ *  NOT LIMITED   TO, PROCUREMENT OF  SUBSTITUTE GOODS  OR SERVICES; LOSS OF
+ *  USE, DATA,  OR PROFITS; OR  BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
+ *  ANY THEORY OF LIABILITY, WHETHER IN  CONTRACT, STRICT LIABILITY, OR TORT
+ *  (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+ *  THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ *  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.,
+ *  675 Mass Ave, Cambridge, MA 02139, USA.
+ */
+
+#ifndef __IT8172__H__
+#define __IT8172__H__
+
+#include <asm/addrspace.h>
+
+#define IT8172_BASE			0x18000000	
+#define IT8172_PCI_IO_BASE		0x14000000
+#define IT8172_PCI_MEM_BASE		0x10000000
+
+// System registers offsets from IT8172_BASE
+#define IT_CMFPCR			0x0
+#define IT_DSRR				0x2
+#define IT_PCDCR			0x4
+#define IT_SPLLCR			0x6
+#define IT_CIDR				0x10
+#define IT_CRNR				0x12
+#define IT_CPUTR			0x14
+#define IT_CTCR				0x16
+#define IT_SDPR				0xF0
+
+// Power management register offset from IT8172_PCI_IO_BASE
+// Power Management Device Standby Register
+#define IT_PM_DSR		0x15800
+
+#define IT_PM_DSR_TMR0SB	0x0001
+#define IT_PM_DSR_TMR1SB	0x0002
+#define IT_PM_DSR_CIR0SB	0x0004
+#define IT_PM_DSR_CIR1SB	0x0008
+#define IT_PM_DSR_SCR0SB	0x0010
+#define IT_PM_DSR_SCR1SB	0x0020
+#define IT_PM_DSR_PPSB		0x0040
+#define IT_PM_DSR_I2CSB		0x0080
+#define IT_PM_DSR_UARTSB	0x0100
+#define IT_PM_DSR_IDESB		0x0200
+#define IT_PM_DSR_ACSB		0x0400
+#define IT_PM_DSR_M68KSB	0x0800
+
+// Power Management PCI Device Software Reset Register
+#define IT_PM_PCISR             0x15802
+
+#define IT_PM_PCISR_IDESR       0x0001
+#define IT_PM_PCISR_CDMASR      0x0002
+#define IT_PM_PCISR_USBSR       0x0004
+#define IT_PM_PCISR_DMASR       0x0008
+#define IT_PM_PCISR_ACSR        0x0010
+#define IT_PM_PCISR_MEMSR       0x0020
+#define IT_PM_PCISR_68KSR       0x0040
+
+
+// PCI Configuration address and data register offsets
+// from IT8172_BASE
+#define IT_CONFADDR			0x4000
+#define IT_BUSNUM_SHF                   16
+#define IT_DEVNUM_SHF                   11
+#define IT_FUNCNUM_SHF                  8
+#define IT_REGNUM_SHF                   2
+
+#define IT_CONFDATA			0x4004
+
+// PCI configuration header common register offsets
+#define IT_VID				0x00
+#define IT_DID				0x02
+#define IT_PCICMD			0x04
+#define IT_PCISTS			0x06
+#define IT_RID				0x08
+#define IT_CLASSC			0x09
+#define IT_HEADT			0x0E
+#define IT_SERIRQC			0x49
+
+// PCI to Internal/LPC Bus Bridge configuration header register offset
+#define IT_P2I_BCR				0x4C
+#define IT_P2I_D0IOSC				0x50 
+#define IT_P2I_D1IOSC				0x54
+#define IT_P2I_D2IOSC				0x58 
+#define IT_P2I_D3IOSC				0x5C 
+#define IT_P2I_D4IOSC				0x60 
+#define IT_P2I_D5IOSC				0x64 
+#define IT_P2I_D6IOSC				0x68 
+#define IT_P2I_D7IOSC				0x6C 
+#define IT_P2I_D8IOSC				0x70 
+#define IT_P2I_D9IOSC				0x74 
+#define IT_P2I_D10IOSC				0x78 
+#define IT_P2I_D11IOSC				0x7C 
+
+// Memory controller register offsets from IT8172_BASE
+#define IT_MC_SDRMR					0x1000
+#define IT_MC_SDRTR					0x1004
+#define IT_MC_MCR					0x1008
+#define IT_MC_SDTYPE					0x100C
+#define IT_MC_WPBA					0x1010
+#define IT_MC_WPTA					0x1014
+#define IT_MC_HATR					0x1018
+#define IT_MC_PCICR					0x101C
+
+// Flash/ROM control register offsets from IT8172_BASE
+#define IT_FC_BRCR					0x2000
+#define IT_FC_FCR					0x2004
+#define IT_FC_DCR					0x2008
+
+// M68K interface bridge configuration header register offset
+#define IT_M68K_MBCSR					0x54
+#define IT_M68K_TMR					0x58
+#define IT_M68K_BCR					0x5C
+#define IT_M68K_BSR					0x5D
+#define IT_M68K_DTR					0x5F
+
+// Register offset from IT8172_PCI_IO_BASE 
+// These registers are accessible through 8172 PCI IO window.
+
+// INTC 
+#define IT_INTC_BASE				0x10000
+#define IT_INTC_LBDNIRR				0x10000
+#define IT_INTC_LBDNIMR				0x10002
+#define IT_INTC_LBDNITR				0x10004
+#define IT_INTC_LBDNIAR				0x10006
+#define IT_INTC_LPCNIRR				0x10010
+#define IT_INTC_LPCNIMR				0x10012
+#define IT_INTC_LPCNITR				0x10014
+#define IT_INTC_LPCNIAR				0x10016
+#define IT_INTC_PDNIRR				0x10020
+#define IT_INTC_PDNIMR				0x10022
+#define IT_INTC_PDNITR				0x10024
+#define IT_INTC_PDNIAR				0x10026
+#define IT_INTC_UMNIRR				0x10030
+#define IT_INTC_UMNITR				0x10034
+#define IT_INTC_UMNIAR				0x10036
+#define IT_INTC_TYPER				0x107FE
+
+// IT8172 PCI device number
+#define IT_C2P_DEVICE				0
+#define IT_AUDIO_DEVICE				1
+#define IT_DMAC_DEVICE				1
+#define IT_CDMAC_DEVICE				1
+#define IT_USB_DEVICE				1
+#define IT_P2I_DEVICE				1
+#define IT_IDE_DEVICE				1
+#define IT_M68K_DEVICE				1
+
+// IT8172 PCI function number
+#define IT_C2P_FUNCION				0
+#define IT_AUDIO_FUNCTION			0
+#define IT_DMAC_FUNCTION			1
+#define IT_CDMAC_FUNCTION			2
+#define IT_USB_FUNCTION				3
+#define IT_P2I_FUNCTION				4
+#define IT_IDE_FUNCTION				5
+#define IT_M68K_FUNCTION			6
+
+// IT8172 GPIO
+#define IT_GPADR				0x13800
+#define IT_GPBDR				0x13808
+#define IT_GPCDR				0x13810
+#define IT_GPACR				0x13802
+#define IT_GPBCR				0x1380A
+#define IT_GPCCR				0x13812
+#define IT_GPAICR				0x13804
+#define IT_GPBICR				0x1380C
+#define IT_GPCICR				0x13814
+#define IT_GPAISR				0x13806
+#define IT_GPBISR				0x1380E
+#define IT_GPCISR				0x13816
+#define IT_GCR					0x13818
+
+// IT8172 RTC
+#define IT_RTC_BASE				0x14800
+#define IT_RTC_RIR0				0x00
+#define IT_RTC_RTR0				0x01
+#define IT_RTC_RIR1				0x02
+#define IT_RTC_RTR1				0x03
+#define IT_RTC_RIR2				0x04
+#define IT_RTC_RTR2				0x05
+#define IT_RTC_RCTR				0x08
+#define IT_RTC_RA				0x0A
+#define IT_RTC_RB				0x0B
+#define IT_RTC_RC				0x0C
+#define IT_RTC_RD				0x0D
+
+#define RTC_SEC_INDEX				0x00
+#define RTC_MIN_INDEX				0x02
+#define RTC_HOUR_INDEX				0x04
+#define RTC_DAY_INDEX				0x06
+#define RTC_DATE_INDEX				0x07
+#define RTC_MONTH_INDEX				0x08
+#define RTC_YEAR_INDEX				0x09
+
+// IT8172 internal device registers
+#define IT_TIMER_BASE				0x10800
+#define IT_CIR0_BASE				0x11000
+#define IT_UART_BASE				0x11800
+#define IT_SCR0_BASE				0x12000
+#define IT_SCR1_BASE				0x12800
+#define IT_PP_BASE				0x13000
+#define IT_I2C_BASE				0x14000
+#define IT_CIR1_BASE				0x15000
+
+// IT8172 Smart Card Reader offsets from IT_SCR*_BASE
+#define IT_SCR_SFR				0x08
+#define IT_SCR_SCDR				0x09
+
+// IT8172 IT_SCR_SFR bit definition & mask
+#define	IT_SCR_SFR_GATE_UART			0x40
+#define	IT_SCR_SFR_GATE_UART_BIT		6
+#define IT_SCR_SFR_GATE_UART_OFF		0
+#define	IT_SCR_SFR_GATE_UART_ON			1
+#define	IT_SCR_SFR_FET_CHARGE			0x30
+#define	IT_SCR_SFR_FET_CHARGE_BIT		4
+#define IT_SCR_SFR_FET_CHARGE_3_3_US		3
+#define IT_SCR_SFR_FET_CHARGE_13_US		2
+#define IT_SCR_SFR_FET_CHARGE_53_US		1
+#define IT_SCR_SFR_FET_CHARGE_213_US		0
+#define	IT_SCR_SFR_CARD_FREQ			0x0C
+#define	IT_SCR_SFR_CARD_FREQ_BIT		2
+#define IT_SCR_SFR_CARD_FREQ_STOP		3
+#define IT_SCR_SFR_CARD_FREQ_3_5_MHZ		0
+#define IT_SCR_SFR_CARD_FREQ_7_1_MHZ		2
+#define IT_SCR_SFR_CARD_FREQ_96_DIV_MHZ		1
+#define	IT_SCR_SFR_FET_ACTIVE			0x02
+#define	IT_SCR_SFR_FET_ACTIVE_BIT		1
+#define IT_SCR_SFR_FET_ACTIVE_INVERT		0
+#define IT_SCR_SFR_FET_ACTIVE_NONINVERT		1
+#define	IT_SCR_SFR_ENABLE			0x01
+#define	IT_SCR_SFR_ENABLE_BIT			0
+#define IT_SCR_SFR_ENABLE_OFF			0
+#define IT_SCR_SFR_ENABLE_ON			1
+
+// IT8172 IT_SCR_SCDR bit definition & mask
+#define	IT_SCR_SCDR_RESET_MODE			0x80
+#define	IT_SCR_SCDR_RESET_MODE_BIT		7
+#define	IT_SCR_SCDR_RESET_MODE_ASYNC		0
+#define IT_SCR_SCDR_RESET_MODE_SYNC		1
+#define	IT_SCR_SCDR_DIVISOR			0x7F
+#define	IT_SCR_SCDR_DIVISOR_BIT			0
+#define	IT_SCR_SCDR_DIVISOR_STOP_VAL_1		0x00
+#define	IT_SCR_SCDR_DIVISOR_STOP_VAL_2		0x01
+#define	IT_SCR_SCDR_DIVISOR_STOP_VAL_3		0x7F
+
+// IT8172 DMA
+#define IT_DMAC_BASE				0x16000
+#define IT_DMAC_BCAR0				0x00
+#define IT_DMAC_BCAR1				0x04
+#define IT_DMAC_BCAR2				0x08
+#define IT_DMAC_BCAR3				0x0C
+#define IT_DMAC_BCCR0				0x02
+#define IT_DMAC_BCCR1				0x06
+#define IT_DMAC_BCCR2				0x0a
+#define IT_DMAC_BCCR3				0x0e
+#define IT_DMAC_CR				0x10
+#define IT_DMAC_SR				0x12
+#define IT_DMAC_ESR				0x13
+#define IT_DMAC_RQR				0x14
+#define IT_DMAC_MR				0x16
+#define IT_DMAC_EMR				0x17
+#define IT_DMAC_MKR				0x18
+#define IT_DMAC_PAR0				0x20
+#define IT_DMAC_PAR1				0x22
+#define IT_DMAC_PAR2				0x24
+#define IT_DMAC_PAR3				0x26
+
+// IT8172 IDE
+#define IT_IDE_BASE				0x17800
+#define IT_IDE_STATUS				0x1F7
+
+// IT8172 Audio Controller
+#define IT_AC_BASE				0x17000
+#define	IT_AC_PCMOV				0x00
+#define IT_AC_FMOV				0x02
+#define	IT_AC_I2SV				0x04
+#define IT_AC_DRSS				0x06
+#define IT_AC_PCC				0x08
+#define IT_AC_PCDL				0x0A
+#define IT_AC_PCB1STA				0x0C
+#define IT_AC_PCB2STA				0x10
+#define IT_AC_CAPCC				0x14
+#define IT_AC_CAPCDL				0x16
+#define IT_AC_CAPB1STA				0x18
+#define IT_AC_CAPB2STA				0x1C
+#define IT_AC_CODECC				0x22
+#define IT_AC_I2SMC				0x24
+#define IT_AC_VS				0x26
+#define IT_AC_SRCS				0x28
+#define IT_AC_CIRCP				0x2A
+#define IT_AC_CIRDP				0x2C
+#define IT_AC_TM				0x4A
+#define IT_AC_PFDP				0x4C
+#define IT_AC_GC				0x54
+#define IT_AC_IMC				0x56
+#define IT_AC_ISC				0x5B
+#define IT_AC_OPL3SR				0x68
+#define IT_AC_OPL3DWDR				0x69
+#define IT_AC_OPL3AB1W				0x6A
+#define IT_AC_OPL3DW				0x6B
+#define IT_AC_BPDC				0x70
+
+// Audio : IT_AC_PCC bit definition & mask
+#define	PCC_SM					0x8000
+#define	PCC_SM_BIT				15
+#define	PCC_SM_STEREO				1
+#define PCC_SM_MONO				0
+
+#define	PCC_DF					0x4000
+#define PCC_DF_BIT				14
+#define	PCC_DF_8				0
+#define PCC_DF_16				1
+
+#define	PCC_CF					0x3000
+#define PCC_CF_BIT				12
+#define	PCC_CF_2				0
+#define PCC_CF_4				1
+#define PCC_CF_6				2
+
+#define PCC_SR					0x0F00
+#define PCC_SR_BIT				8
+#define	PCC_SR_5500				0
+#define	PCC_SR_8000				1
+#define	PCC_SR_9600				2
+#define	PCC_SR_11025				3
+#define	PCC_SR_16000				4
+#define	PCC_SR_19200				5
+#define	PCC_SR_22050				6
+#define	PCC_SR_32000				7
+#define	PCC_SR_38400				8
+#define	PCC_SR_44100				9
+#define	PCC_SR_48000				10
+
+#define PCC_CSP					0x0080
+#define PCC_CSP_BIT				7
+#define PCC_CSP_STOP				0
+#define PCC_CSP_STOP_NOW			1
+
+#define PCC_CP					0x0040
+#define	PCC_CP_BIT				6
+#define PCC_CP_NORMAL				0
+#define PCC_CP_PAUSE				1
+
+#define PCC_CA					0x0020
+#define PCC_CA_BIT				5
+#define PCC_CA_NO_START				0
+#define PCC_CA_START				1
+
+#define PCC_CB2L				0x0004
+#define PCC_CB2L_BIT				2
+#define PCC_CB2L_NO				0
+#define PCC_CB2L_YES				1
+
+#define PCC_CB1L				0x0002
+#define PCC_CB1L_BIT				1
+#define PCC_CB1L_NO				0
+#define PCC_CB1L_YES				1
+
+#define PCC_DE					0x0001
+#define PCC_DE_BIT				0
+#define PCC_DE_NOT_EMPTY			0
+#define PCC_DE_EMPTY				1
+
+// IT8172 Timer
+#define IT_TIMER_BASE				0x10800
+#define	TIMER_TCVR0				0x00
+#define TIMER_TRVR0				0x02
+#define	TIMER_TCR0				0x04
+#define TIMER_TIRR				0x06
+#define	TIMER_TCVR1				0x08
+#define TIMER_TRVR1				0x0A
+#define	TIMER_TCR1				0x0C
+#define TIMER_TIDR				0x0E
+
+
+#define IT_WRITE(ofs, data) *(volatile u32 *)KSEG1ADDR((IT8172_BASE+ofs)) = data
+#define IT_READ(ofs, data)  data = *(volatile u32 *)KSEG1ADDR((IT8172_BASE+ofs))
+
+#define IT_IO_WRITE(ofs, data) *(volatile u32 *)KSEG1ADDR((IT8172_PCI_IO_BASE+ofs)) = data
+#define IT_IO_READ(ofs, data)  data = *(volatile u32 *)KSEG1ADDR((IT8172_PCI_IO_BASE+ofs))
+
+#define IT_IO_WRITE16(ofs, data) *(volatile u16 *)KSEG1ADDR((IT8172_PCI_IO_BASE+ofs)) = data
+#define IT_IO_READ16(ofs, data)  data = *(volatile u16 *)KSEG1ADDR((IT8172_PCI_IO_BASE+ofs))
+
+#endif
diff --git a/include/asm-mips/it8172/it8172_cir.h b/include/asm-mips/it8172/it8172_cir.h
new file mode 100644
index 000000000..3422d5265
--- /dev/null
+++ b/include/asm-mips/it8172/it8172_cir.h
@@ -0,0 +1,140 @@
+/*
+ *
+ * BRIEF MODULE DESCRIPTION
+ *	IT8172 Consumer IR port defines.
+ *
+ * Copyright 2001 MontaVista Software Inc.
+ * Author: MontaVista Software, Inc.
+ *         	ppopov@mvista.com or support@mvista.com
+ *
+ *  This program is free software; you can redistribute  it and/or modify it
+ *  under  the terms of  the GNU General  Public License as published by the
+ *  Free Software Foundation;  either version 2 of the  License, or (at your
+ *  option) any later version.
+ *
+ *  THIS  SOFTWARE  IS PROVIDED   ``AS  IS'' AND   ANY  EXPRESS OR IMPLIED
+ *  WARRANTIES,   INCLUDING, BUT NOT  LIMITED  TO, THE IMPLIED WARRANTIES OF
+ *  MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.  IN
+ *  NO  EVENT  SHALL   THE AUTHOR  BE    LIABLE FOR ANY   DIRECT, INDIRECT,
+ *  INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+ *  NOT LIMITED   TO, PROCUREMENT OF  SUBSTITUTE GOODS  OR SERVICES; LOSS OF
+ *  USE, DATA,  OR PROFITS; OR  BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
+ *  ANY THEORY OF LIABILITY, WHETHER IN  CONTRACT, STRICT LIABILITY, OR TORT
+ *  (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+ *  THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ *  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.,
+ *  675 Mass Ave, Cambridge, MA 02139, USA.
+ */
+
+#define NUM_CIR_PORTS 2
+
+/* Master Control Register */
+#define CIR_RESET              0x1
+#define CIR_FIFO_CLEAR         0x2
+#define CIR_SET_FIFO_TL(x)     (((x)&0x3)<<2)
+#define CIR_ILE                0x10
+#define CIR_ILSEL              0x20
+
+/* Interrupt Enable Register */
+#define CIR_TLDLIE             0x1
+#define CIR_RDAIE              0x2
+#define CIR_RFOIE              0x4
+#define CIR_IEC                0x80
+
+/* Interrupt Identification Register */
+#define CIR_TLDLI              0x1
+#define CIR_RDAI               0x2
+#define CIR_RFOI               0x4
+#define CIR_NIP                0x80
+
+/* Carrier Frequency Register */
+#define CIR_SET_CF(x)          ((x)&0x1f)
+  #define CFQ_38_480           0xB       /* 38 KHz low, 480 KHz high */
+#define CIR_HCFS               0x20
+  #define CIR_SET_HS(x)        (((x)&0x1)<<5)
+    
+
+/* Receiver Control Register */
+#define CIR_SET_RXDCR(x)       ((x)&0x7)
+#define CIR_RXACT              0x8
+#define CIR_RXEND              0x10
+#define CIR_RDWOS              0x20
+  #define CIR_SET_RDWOS(x)     (((x)&0x1)<<5)
+#define CIR_RXEN               0x80
+
+/* Transmitter Control Register */
+#define CIR_SET_TXMPW(x)       ((x)&0x7)
+#define CIR_SET_TXMPM(x)       (((x)&0x3)<<3)
+#define CIR_TXENDF             0x20
+#define CIR_TXRLE              0x40
+
+/* Receiver FIFO Status Register */
+#define CIR_RXFBC_MASK         0x3f
+#define CIR_RXFTO              0x80
+
+/* Wakeup Code Length Register */
+#define CIR_SET_WCL            ((x)&0x3f)
+#define CIR_WCL_MASK(x)        ((x)&0x3f)
+
+/* Wakeup Power Control/Status Register */
+#define CIR_BTMON              0x2
+#define CIR_CIRON              0x4
+#define CIR_RCRST              0x10
+#define CIR_WCRST              0x20
+
+struct cir_port {
+	int port;
+	unsigned short baud_rate;
+	unsigned char fifo_tl;
+	unsigned char cfq;
+	unsigned char hcfs;
+	unsigned char rdwos;
+	unsigned char rxdcr;
+};
+
+struct it8172_cir_regs {
+	unsigned char dr;       /* data                        */
+	char pad;
+	unsigned char mstcr;    /* master control              */
+	char pad1;
+	unsigned char ier;      /* interrupt enable            */
+	char pad2;
+	unsigned char iir;      /* interrupt identification    */
+	char pad3;
+	unsigned char cfr;      /* carrier frequency           */
+	char pad4;
+	unsigned char rcr;      /* receiver control            */
+	char pad5;
+	unsigned char tcr;      /* transmitter control         */
+	char pad6;
+	char pad7;
+	char pad8;
+	unsigned char bdlr;     /* baud rate divisor low byte  */
+	char pad9;
+	unsigned char bdhr;     /* baud rate divisor high byte */
+	char pad10;
+	unsigned char tfsr;     /* tx fifo byte count          */
+	char pad11;
+	unsigned char rfsr;     /* rx fifo status              */
+	char pad12;
+	unsigned char wcl;      /* wakeup code length          */
+	char pad13;
+	unsigned char wcr;      /* wakeup code read/write      */
+	char pad14;
+	unsigned char wps;      /* wakeup power control/status */
+};
+
+int cir_port_init(struct cir_port *cir);
+extern void clear_fifo(struct cir_port *cir);
+extern void enable_receiver(struct cir_port *cir);
+extern void disable_receiver(struct cir_port *cir);
+extern void enable_rx_demodulation(struct cir_port *cir);
+extern void disable_rx_demodulation(struct cir_port *cir);
+extern void set_rx_active(struct cir_port *cir);
+extern void int_enable(struct cir_port *cir);
+extern void rx_int_enable(struct cir_port *cir);
+extern char get_int_status(struct cir_port *cir);
+extern int cir_get_rx_count(struct cir_port *cir);
+extern char cir_read_data(struct cir_port *cir);
diff --git a/include/asm-mips/it8172/it8172_dbg.h b/include/asm-mips/it8172/it8172_dbg.h
new file mode 100644
index 000000000..9af7ade9d
--- /dev/null
+++ b/include/asm-mips/it8172/it8172_dbg.h
@@ -0,0 +1,38 @@
+/*
+ *
+ * BRIEF MODULE DESCRIPTION
+ *	Function prototypes for low level uart routines to 
+ *	directly access a 16550 uart.
+ *
+ * Copyright 2000 MontaVista Software Inc.
+ * Author: MontaVista Software, Inc.
+ *         	ppopov@mvista.com or support@mvista.com
+ *
+ *  This program is free software; you can redistribute  it and/or modify it
+ *  under  the terms of  the GNU General  Public License as published by the
+ *  Free Software Foundation;  either version 2 of the  License, or (at your
+ *  option) any later version.
+ *
+ *  THIS  SOFTWARE  IS PROVIDED   ``AS  IS'' AND   ANY  EXPRESS OR IMPLIED
+ *  WARRANTIES,   INCLUDING, BUT NOT  LIMITED  TO, THE IMPLIED WARRANTIES OF
+ *  MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.  IN
+ *  NO  EVENT  SHALL   THE AUTHOR  BE    LIABLE FOR ANY   DIRECT, INDIRECT,
+ *  INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+ *  NOT LIMITED   TO, PROCUREMENT OF  SUBSTITUTE GOODS  OR SERVICES; LOSS OF
+ *  USE, DATA,  OR PROFITS; OR  BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
+ *  ANY THEORY OF LIABILITY, WHETHER IN  CONTRACT, STRICT LIABILITY, OR TORT
+ *  (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+ *  THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ *  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.,
+ *  675 Mass Ave, Cambridge, MA 02139, USA.
+ */
+
+#include <linux/types.h>
+
+extern void putch(const unsigned char c);
+extern void puts(unsigned char *cp);
+extern void fputs(unsigned char *cp);
+extern void put64(uint64_t ul);
+extern void put32(unsigned u);
diff --git a/include/asm-mips/it8172/it8172_int.h b/include/asm-mips/it8172/it8172_int.h
new file mode 100644
index 000000000..f785c3885
--- /dev/null
+++ b/include/asm-mips/it8172/it8172_int.h
@@ -0,0 +1,146 @@
+/*
+ *
+ * BRIEF MODULE DESCRIPTION
+ *	ITE 8172 Interrupt Numbering
+ *
+ * Copyright 2000 MontaVista Software Inc.
+ * Author: MontaVista Software, Inc.
+ *         	ppopov@mvista.com or support@mvista.com
+ *
+ *  This program is free software; you can redistribute  it and/or modify it
+ *  under  the terms of  the GNU General  Public License as published by the
+ *  Free Software Foundation;  either version 2 of the  License, or (at your
+ *  option) any later version.
+ *
+ *  THIS  SOFTWARE  IS PROVIDED   ``AS  IS'' AND   ANY  EXPRESS OR IMPLIED
+ *  WARRANTIES,   INCLUDING, BUT NOT  LIMITED  TO, THE IMPLIED WARRANTIES OF
+ *  MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.  IN
+ *  NO  EVENT  SHALL   THE AUTHOR  BE    LIABLE FOR ANY   DIRECT, INDIRECT,
+ *  INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+ *  NOT LIMITED   TO, PROCUREMENT OF  SUBSTITUTE GOODS  OR SERVICES; LOSS OF
+ *  USE, DATA,  OR PROFITS; OR  BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
+ *  ANY THEORY OF LIABILITY, WHETHER IN  CONTRACT, STRICT LIABILITY, OR TORT
+ *  (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+ *  THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ *  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.,
+ *  675 Mass Ave, Cambridge, MA 02139, USA.
+ */
+
+#ifndef _MIPS_ITEINT_H
+#define _MIPS_ITEINT_H
+
+/*
+ * Here's the "strategy":
+ * We number the LPC serial irqs from 0 to 15,
+ * the local bus irqs from 16 to 31,
+ * the pci dev register interrupts from 32 to 47,
+ * and the non-maskable ints from 48 to 53.
+ */
+
+#define IT8172_LPC_IRQ_BASE  0    /* first LPC int number */
+#define IT8172_SERIRQ_0      (IT8172_LPC_IRQ_BASE + 0)
+#define IT8172_SERIRQ_1      (IT8172_LPC_IRQ_BASE + 1)
+#define IT8172_SERIRQ_2      (IT8172_LPC_IRQ_BASE + 2)
+#define IT8172_SERIRQ_3      (IT8172_LPC_IRQ_BASE + 3)
+#define IT8172_SERIRQ_4      (IT8172_LPC_IRQ_BASE + 4)
+#define IT8172_SERIRQ_5      (IT8172_LPC_IRQ_BASE + 5)
+#define IT8172_SERIRQ_6      (IT8172_LPC_IRQ_BASE + 6)
+#define IT8172_SERIRQ_7      (IT8172_LPC_IRQ_BASE + 7)
+#define IT8172_SERIRQ_8      (IT8172_LPC_IRQ_BASE + 8)
+#define IT8172_SERIRQ_9      (IT8172_LPC_IRQ_BASE + 9)
+#define IT8172_SERIRQ_10     (IT8172_LPC_IRQ_BASE + 10)
+#define IT8172_SERIRQ_11     (IT8172_LPC_IRQ_BASE + 11)
+#define IT8172_SERIRQ_12     (IT8172_LPC_IRQ_BASE + 12)
+#define IT8172_SERIRQ_13     (IT8172_LPC_IRQ_BASE + 13)
+#define IT8172_SERIRQ_14     (IT8172_LPC_IRQ_BASE + 14)
+#define IT8172_SERIRQ_15     (IT8172_LPC_IRQ_BASE + 15)
+
+#define IT8172_LB_IRQ_BASE  16   /* first local bus int number */
+#define IT8172_PPR_IRQ          (IT8172_LB_IRQ_BASE + 0) /* parallel port */
+#define IT8172_TIMER0_IRQ       (IT8172_LB_IRQ_BASE + 1)
+#define IT8172_TIMER1_IRQ       (IT8172_LB_IRQ_BASE + 2)
+#define IT8172_I2C_IRQ          (IT8172_LB_IRQ_BASE + 3)
+#define IT8172_GPIO_IRQ         (IT8172_LB_IRQ_BASE + 4)
+#define IT8172_CIR0_IRQ         (IT8172_LB_IRQ_BASE + 5)
+#define IT8172_CIR1_IRQ         (IT8172_LB_IRQ_BASE + 6)
+#define IT8172_UART_IRQ         (IT8172_LB_IRQ_BASE + 7)
+#define IT8172_SCR0_IRQ         (IT8172_LB_IRQ_BASE + 8)
+#define IT8172_SCR1_IRQ         (IT8172_LB_IRQ_BASE + 9)
+#define IT8172_RTC_IRQ          (IT8172_LB_IRQ_BASE + 10)
+#define IT8172_IOCHK_IRQ        (IT8172_LB_IRQ_BASE + 11)
+/* 12 - 15 reserved */
+
+/*
+ * Note here that the pci dev registers includes bits for more than
+ * just the pci devices.
+ */
+#define IT8172_PCI_DEV_IRQ_BASE  32   /* first pci dev irq */
+#define IT8172_AC97_IRQ          (IT8172_PCI_DEV_IRQ_BASE + 0)
+#define IT8172_MC68K_IRQ         (IT8172_PCI_DEV_IRQ_BASE + 1)
+#define IT8172_IDE_IRQ           (IT8172_PCI_DEV_IRQ_BASE + 2)
+#define IT8172_USB_IRQ           (IT8172_PCI_DEV_IRQ_BASE + 3)
+#define IT8172_BRIDGE_MASTER_IRQ (IT8172_PCI_DEV_IRQ_BASE + 4)
+#define IT8172_BRIDGE_TARGET_IRQ (IT8172_PCI_DEV_IRQ_BASE + 5)
+#define IT8172_PCI_INTA_IRQ      (IT8172_PCI_DEV_IRQ_BASE + 6)
+#define IT8172_PCI_INTB_IRQ      (IT8172_PCI_DEV_IRQ_BASE + 7)
+#define IT8172_PCI_INTC_IRQ      (IT8172_PCI_DEV_IRQ_BASE + 8)
+#define IT8172_PCI_INTD_IRQ      (IT8172_PCI_DEV_IRQ_BASE + 9)
+#define IT8172_S_INTA_IRQ        (IT8172_PCI_DEV_IRQ_BASE + 10)
+#define IT8172_S_INTB_IRQ        (IT8172_PCI_DEV_IRQ_BASE + 11)
+#define IT8172_S_INTC_IRQ        (IT8172_PCI_DEV_IRQ_BASE + 12)
+#define IT8172_S_INTD_IRQ        (IT8172_PCI_DEV_IRQ_BASE + 13)
+#define IT8172_CDMA_IRQ          (IT8172_PCI_DEV_IRQ_BASE + 14)
+#define IT8172_DMA_IRQ           (IT8172_PCI_DEV_IRQ_BASE + 15)
+
+#define IT8172_NMI_IRQ_BASE      48
+#define IT8172_SER_NMI_IRQ       (IT8172_NMI_IRQ_BASE + 0)
+#define IT8172_PCI_NMI_IRQ       (IT8172_NMI_IRQ_BASE + 1)
+#define IT8172_RTC_NMI_IRQ       (IT8172_NMI_IRQ_BASE + 2)
+#define IT8172_CPUIF_NMI_IRQ     (IT8172_NMI_IRQ_BASE + 3)
+#define IT8172_PMER_NMI_IRQ      (IT8172_NMI_IRQ_BASE + 4)
+#define IT8172_POWER_NMI_IRQ     (IT8172_NMI_IRQ_BASE + 5)
+
+/* Finally, let's move over here the mips cpu timer interrupt.
+ * This is more or less strictly for statistics.
+ */
+#define MIPS_CPU_TIMER_IRQ       (IT8172_NMI_IRQ_BASE + 6)
+
+#define IT8172_INT_END           MIPS_CPU_TIMER_IRQ
+
+/* 
+ * IT8172 Interrupt Controller Registers
+ */
+struct it8172_intc_regs {
+        volatile unsigned short lb_req;      /* offset 0 */
+        volatile unsigned short lb_mask;
+        volatile unsigned short lb_trigger;
+        volatile unsigned short lb_level;
+	unsigned char pad0[8];
+
+        volatile unsigned short lpc_req;     /* offset 0x10 */
+        volatile unsigned short lpc_mask;
+        volatile unsigned short lpc_trigger;
+        volatile unsigned short lpc_level;
+	unsigned char pad1[8];
+
+        volatile unsigned short pci_req;     /* offset 0x20 */
+        volatile unsigned short pci_mask;
+        volatile unsigned short pci_trigger;
+        volatile unsigned short pci_level;
+	unsigned char pad2[8];
+
+        volatile unsigned short nmi_req;     /* offset 0x30 */
+        volatile unsigned short nmi_mask;
+        volatile unsigned short nmi_trigger;
+        volatile unsigned short nmi_level;
+	unsigned char pad3[6];
+
+        volatile unsigned short nmi_redir;   /* offset 0x3E */
+	unsigned char pad4[0xBE];
+
+        volatile unsigned short intstatus;    /* offset 0xFE */
+};
+
+#endif /* _MIPS_ITEINT_H */
diff --git a/include/asm-mips/it8172/it8172_lpc.h b/include/asm-mips/it8172/it8172_lpc.h
new file mode 100644
index 000000000..f3d407984
--- /dev/null
+++ b/include/asm-mips/it8172/it8172_lpc.h
@@ -0,0 +1,29 @@
+/*
+ *
+ * BRIEF MODULE DESCRIPTION
+ *	IT8172 system controller defines.
+ *
+ * Copyright 2000 MontaVista Software Inc.
+ * Author: MontaVista Software, Inc.
+ *         	ppopov@mvista.com or support@mvista.com
+ *
+ *  This program is free software; you can redistribute  it and/or modify it
+ *  under  the terms of  the GNU General  Public License as published by the
+ *  Free Software Foundation;  either version 2 of the  License, or (at your
+ *  option) any later version.
+ *
+ *  THIS  SOFTWARE  IS PROVIDED   ``AS  IS'' AND   ANY  EXPRESS OR IMPLIED
+ *  WARRANTIES,   INCLUDING, BUT NOT  LIMITED  TO, THE IMPLIED WARRANTIES OF
+ *  MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.  IN
+ *  NO  EVENT  SHALL   THE AUTHOR  BE    LIABLE FOR ANY   DIRECT, INDIRECT,
+ *  INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+ *  NOT LIMITED   TO, PROCUREMENT OF  SUBSTITUTE GOODS  OR SERVICES; LOSS OF
+ *  USE, DATA,  OR PROFITS; OR  BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
+ *  ANY THEORY OF LIABILITY, WHETHER IN  CONTRACT, STRICT LIABILITY, OR TORT
+ *  (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+ *  THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ *  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.,
+ *  675 Mass Ave, Cambridge, MA 02139, USA.
+ */
diff --git a/include/asm-mips/it8172/it8172_pci.h b/include/asm-mips/it8172/it8172_pci.h
new file mode 100644
index 000000000..042db2995
--- /dev/null
+++ b/include/asm-mips/it8172/it8172_pci.h
@@ -0,0 +1,108 @@
+/*
+ *
+ * BRIEF MODULE DESCRIPTION
+ *	IT8172 system controller specific pci defines.
+ *
+ * Copyright 2000 MontaVista Software Inc.
+ * Author: MontaVista Software, Inc.
+ *         	ppopov@mvista.com or support@mvista.com
+ *
+ *  This program is free software; you can redistribute  it and/or modify it
+ *  under  the terms of  the GNU General  Public License as published by the
+ *  Free Software Foundation;  either version 2 of the  License, or (at your
+ *  option) any later version.
+ *
+ *  THIS  SOFTWARE  IS PROVIDED   ``AS  IS'' AND   ANY  EXPRESS OR IMPLIED
+ *  WARRANTIES,   INCLUDING, BUT NOT  LIMITED  TO, THE IMPLIED WARRANTIES OF
+ *  MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.  IN
+ *  NO  EVENT  SHALL   THE AUTHOR  BE    LIABLE FOR ANY   DIRECT, INDIRECT,
+ *  INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+ *  NOT LIMITED   TO, PROCUREMENT OF  SUBSTITUTE GOODS  OR SERVICES; LOSS OF
+ *  USE, DATA,  OR PROFITS; OR  BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
+ *  ANY THEORY OF LIABILITY, WHETHER IN  CONTRACT, STRICT LIABILITY, OR TORT
+ *  (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+ *  THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ *  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.,
+ *  675 Mass Ave, Cambridge, MA 02139, USA.
+ */
+
+#ifndef _8172PCI_H_
+#define _8172PCI_H_
+
+// PCI configuration space Type0
+#define	PCI_IDREG	0x00
+#define	PCI_CMDSTSREG	0x04
+#define	PCI_CLASSREG	0x08
+#define	PCI_BHLCREG	0x0C
+#define	PCI_BASE1REG	0x10
+#define	PCI_BASE2REG	0x14
+#define	PCI_BASE3REG	0x18
+#define	PCI_BASE4REG	0x1C
+#define	PCI_BASE5REG	0x20
+#define	PCI_BASE6REG	0x24
+#define	PCI_ROMBASEREG	0x30
+#define	PCI_INTRREG	0x3C
+
+// PCI configuration space Type1
+#define	PCI_BUSNOREG	0x18
+
+#define	IT_PCI_VENDORID(x)	((x) & 0xFFFF)
+#define	IT_PCI_DEVICEID(x)	(((x)>>16) & 0xFFFF)
+
+// Command register
+#define	PCI_CMD_IOEN		0x00000001
+#define	PCI_CMD_MEMEN		0x00000002
+#define	PCI_CMD_BUSMASTER	0x00000004
+#define	PCI_CMD_SPCYCLE		0x00000008
+#define	PCI_CMD_WRINV		0x00000010
+#define	PCI_CMD_VGASNOOP	0x00000020
+#define	PCI_CMD_PERR		0x00000040
+#define	PCI_CMD_WAITCTRL	0x00000080
+#define	PCI_CMD_SERR		0x00000100
+#define	PCI_CMD_FAST_BACKTOBACK	0x00000200
+
+// Status register
+#define	PCI_STS_66MHZ		0x00200000
+#define	PCI_STS_SUPPORT_UDF	0x00400000
+#define	PCI_STS_FAST_BACKTOBACK	0x00800000
+#define	PCI_STS_DATA_PERR	0x01000000
+#define	PCI_STS_DEVSEL0		0x02000000
+#define	PCI_STS_DEVSEL1		0x04000000
+#define	PCI_STS_SIG_TGTABORT	0x08000000
+#define	PCI_STS_RCV_TGTABORT	0x10000000
+#define	PCI_STS_RCV_MSTABORT	0x20000000
+#define	PCI_STS_SYSERR		0x40000000
+#define	PCI_STS_DETCT_PERR	0x80000000
+
+#define	IT_PCI_CLASS(x)		(((x)>>24) & 0xFF)
+#define	IT_PCI_SUBCLASS(x)		(((x)>>16) & 0xFF)
+#define	IT_PCI_INTERFACE(x)	(((x)>>8) & 0xFF)
+#define	IT_PCI_REVISION(x)		((x) & 0xFF)
+
+// PCI class code
+#define	PCI_CLASS_BRIDGE			0x06
+
+// bridge subclass
+#define	PCI_SUBCLASS_BRIDGE_HOST		0x00
+#define	PCI_SUBCLASS_BRIDGE_PCI			0x04
+
+// BHLCREG
+#define	IT_PCI_BIST(x)		(((x)>>24) & 0xFF)
+#define	IT_PCI_HEADERTYPE(x)	(((x)>>16) & 0xFF)
+#define	IT_PCI_LATENCYTIMER(x)	(((x)>>8) & 0xFF)
+#define	IT_PCI_CACHELINESIZE(x)	((x) & 0xFF)
+
+#define	PCI_MULTIFUNC	0x80
+
+// INTRREG
+#define	IT_PCI_MAXLAT(x)		(((x)>>24) & 0xFF)
+#define	IT_PCI_MINGNT(x)		(((x)>>16) & 0xFF)
+#define	IT_PCI_INTRPIN(x)		(((x)>>8) & 0xFF)
+#define	IT_PCI_INTRLINE(x)		((x) & 0xFF)
+
+#define	PCI_VENDOR_NEC	0x1033
+#define PCI_VENDOR_DEC	0x1101
+
+#endif // _8172PCI_H_
diff --git a/include/asm-mips/it8712.h b/include/asm-mips/it8712.h
new file mode 100644
index 000000000..07ea965ea
--- /dev/null
+++ b/include/asm-mips/it8712.h
@@ -0,0 +1,28 @@
+
+#ifndef __IT8712_H__
+#define __IT8712_H__
+
+#define LPC_BASE_ADDR	0x14000000
+
+// MB PnP configuration register 
+#define LPC_KEY_ADDR	0x1400002E
+#define LPC_DATA_ADDR	0x1400002F
+
+// Device LDN
+#define LDN_SERIAL1	0x01
+#define LDN_SERIAL2	0x02
+#define LDN_PARALLEL	0x03
+#define LDN_KEYBOARD	0x05
+#define LDN_MOUSE	0x06
+
+#define IT8712_UART1_PORT      0x3F8
+#define IT8712_UART2_PORT      0x2F8
+
+#ifndef ASM_ONLY
+
+void LPCSetConfig(char LdnNumber, char Index, char data);
+char LPCGetConfig(char LdnNumber, char Index);
+
+#endif
+
+#endif
diff --git a/include/asm-mips/mc146818rtc.h b/include/asm-mips/mc146818rtc.h
index 297fc0b74..6e23e432f 100644
--- a/include/asm-mips/mc146818rtc.h
+++ b/include/asm-mips/mc146818rtc.h
@@ -14,8 +14,12 @@
 #include <asm/io.h>
 
 #ifndef RTC_PORT
+#if defined(CONFIG_MIPS_ITE8172) || defined(CONFIG_MIPS_IVR)
+#define RTC_PORT(x)	(0x14014800 + (x))
+#else
 #define RTC_PORT(x)	(0x70 + (x))
 #endif
+#endif
 
 /*
  * The yet supported machines all access the RTC index register via
@@ -45,6 +49,9 @@ extern struct rtc_ops *rtc_ops;
 
 #ifdef CONFIG_DECSTATION
 #define RTC_IRQ 0
+#elif defined(CONFIG_MIPS_ITE8172) || defined(CONFIG_MIPS_IVR)
+#include <asm/it8172/it8172_int.h>
+#define RTC_IRQ	IT8172_RTC_IRQ
 #else
 #define RTC_IRQ	8
 #endif
diff --git a/include/asm-mips/processor.h b/include/asm-mips/processor.h
index abbd1699c..d658a010e 100644
--- a/include/asm-mips/processor.h
+++ b/include/asm-mips/processor.h
@@ -81,7 +81,7 @@ extern struct task_struct *last_task_used_math;
  * for a 64 bit kernel expandable to 8192EB, of which the current MIPS
  * implementations will "only" be able to use 1TB ...
  */
-#define TASK_SIZE	(0x80000000UL)
+#define TASK_SIZE	(0x7fff8000UL)
 
 /* This decides where the kernel will search for a free chunk of vm
  * space during mmap's.
diff --git a/include/asm-mips/serial.h b/include/asm-mips/serial.h
index aad63051c..d2057f158 100644
--- a/include/asm-mips/serial.h
+++ b/include/asm-mips/serial.h
@@ -102,6 +102,25 @@
 #define EV96100_SERIAL_PORT_DEFNS
 #endif
 
+#ifdef CONFIG_MIPS_ITE8172
+#include <asm/it8172/it8172.h>
+#include <asm/it8172/it8172_int.h>
+#include <asm/it8712.h>
+#define ITE_SERIAL_PORT_DEFNS                                  \
+    { baud_base: BASE_BAUD, port: (IT8172_PCI_IO_BASE + IT_UART_BASE), \
+      irq: IT8172_UART_IRQ, flags: STD_COM_FLAGS, type: 0x3 }, \
+    { baud_base: (24000000/(16*13)), port: (IT8172_PCI_IO_BASE + IT8712_UART1_PORT), \
+      irq: IT8172_SERIRQ_4, flags: STD_COM_FLAGS, type: 0x3 }, \
+    /* Smart Card Reader 0 */ \
+    { baud_base: BASE_BAUD, port: (IT8172_PCI_IO_BASE + IT_SCR0_BASE), \
+      irq: IT8172_SCR0_IRQ, flags: STD_COM_FLAGS, type: 0x3 }, \
+    /* Smart Card Reader 1 */ \
+    { baud_base: BASE_BAUD, port: (IT8172_PCI_IO_BASE + IT_SCR1_BASE), \
+      irq: IT8172_SCR1_IRQ, flags: STD_COM_FLAGS, type: 0x3 },
+#else
+#define ITE_SERIAL_PORT_DEFNS
+#endif
+
 #ifdef CONFIG_HAVE_STD_PC_SERIAL_PORT
 #define STD_SERIAL_PORT_DEFNS			\
 	/* UART CLK   PORT IRQ     FLAGS        */			\
@@ -200,6 +219,7 @@
 #endif
 
 #define SERIAL_PORT_DFNS		\
+	ITE_SERIAL_PORT_DEFNS           \
 	ATLAS_SERIAL_PORT_DEFNS		\
 	EV96100_SERIAL_PORT_DEFNS	\
 	JAZZ_SERIAL_PORT_DEFNS		\