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[pohmelfs.git] / include / asm-mips / it8172 / it8172.h

/*
 *
 * BRIEF MODULE DESCRIPTION
 *      IT8172 system controller defines.
 *
 * Copyright 2000 MontaVista Software Inc.
 * Author: MontaVista Software, Inc.
 *              ppopov@mvista.com or source@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_CENTURY                          0x14808

#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


// 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