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[netbsd-mini2440.git] / sys / arch / arm / xscale / i80321reg.h

/*      $NetBSD: i80321reg.h,v 1.15.38.1 2007/05/22 17:26:41 matt Exp $ */

/*
 * Copyright (c) 2002 Wasabi Systems, Inc.
 * All rights reserved.
 *
 * Written by Jason R. Thorpe for Wasabi Systems, Inc.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 * 3. All advertising materials mentioning features or use of this software
 *    must display the following acknowledgement:
 *      This product includes software developed for the NetBSD Project by
 *      Wasabi Systems, Inc.
 * 4. The name of Wasabi Systems, Inc. may not be used to endorse
 *    or promote products derived from this software without specific prior
 *    written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY WASABI SYSTEMS, INC. ``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 WASABI SYSTEMS, INC
 * 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.
 */

#ifndef _ARM_XSCALE_I80321REG_H_ 
#define _ARM_XSCALE_I80321REG_H_ 

/*
 * Register definitions for the Intel 80321 (``Verde'') I/O processor,
 * based on the XScale core.
 */

/*
 * Base i80321 memory map:
 *
 *      0x0000.0000 - 0x7fff.ffff       ATU Outbound Direct Addressing Window
 *      0x8000.0000 - 0x9001.ffff       ATU Outbound Translation Windows
 *      0x9002.0000 - 0xffff.dfff       External Memory
 *      0xffff.e000 - 0xffff.e8ff       Peripheral Memory Mapped Registers
 *      0xffff.e900 - 0xffff.ffff       Reserved
 */

#define VERDE_OUT_DIRECT_WIN_BASE       0x00000000UL
#define VERDE_OUT_DIRECT_WIN_SIZE       0x80000000UL
#define VERDE_OUT_DIRECT_WIN_SKIP       0x10000000UL

#define VERDE_OUT_XLATE_MEM_WIN_SIZE    0x04000000UL
#define VERDE_OUT_XLATE_IO_WIN_SIZE     0x00010000UL

#define VERDE_OUT_XLATE_MEM_WIN0_BASE   0x80000000UL
#define VERDE_OUT_XLATE_MEM_WIN1_BASE   0x84000000UL

#define VERDE_OUT_XLATE_IO_WIN0_BASE    0x90000000UL

#define VERDE_EXTMEM_BASE               0x90020000UL

#define VERDE_PMMR_BASE                 0xffffe000UL
#define VERDE_PMMR_SIZE                 0x00001700UL

/*
 * Peripheral Memory Mapped Registers.  Defined as offsets
 * from the VERDE_PMMR_BASE.
 */
#define VERDE_ATU_BASE                  0x0100
#define VERDE_ATU_SIZE                  0x0100

#define VERDE_MU_BASE                   0x0300
#define VERDE_MU_SIZE                   0x0100

#define VERDE_DMA_BASE                  0x0400
#define VERDE_DMA_BASE0                 (VERDE_DMA_BASE + 0x00)
#define VERDE_DMA_BASE1                 (VERDE_DMA_BASE + 0x40)
#define VERDE_DMA_SIZE                  0x0100
#define VERDE_DMA_CHSIZE                0x0040

#define VERDE_MCU_BASE                  0x0500
#define VERDE_MCU_SIZE                  0x0100

#define VERDE_SSP_BASE                  0x0600
#define VERDE_SSP_SIZE                  0x0080

#define VERDE_PBIU_BASE                 0x0680
#define VERDE_PBIU_SIZE                 0x0080

#define VERDE_AAU_BASE                  0x0800
#define VERDE_AAU_SIZE                  0x0100

#define VERDE_I2C_BASE                  0x1680
#define VERDE_I2C_BASE0                 (VERDE_I2C_BASE + 0x00)
#define VERDE_I2C_BASE1                 (VERDE_I2C_BASE + 0x20)
#define VERDE_I2C_SIZE                  0x0080
#define VERDE_I2C_CHSIZE                0x0020

/*
 * Address Translation Unit
 */
        /* 0x00 - 0x38 -- PCI configuration space header */
#define ATU_IALR0       0x40    /* Inbound ATU Limit 0 */
#define ATU_IATVR0      0x44    /* Inbound ATU Xlate Value 0 */
#define ATU_ERLR        0x48    /* Expansion ROM Limit */
#define ATU_ERTVR       0x4c    /* Expansion ROM Xlate Value */
#define ATU_IALR1       0x50    /* Inbound ATU Limit 1 */
#define ATU_IALR2       0x54    /* Inbound ATU Limit 2 */
#define ATU_IATVR2      0x58    /* Inbound ATU Xlate Value 2 */
#define ATU_OIOWTVR     0x5c    /* Outbound I/O Window Xlate Value */
#define ATU_OMWTVR0     0x60    /* Outbound Mem Window Xlate Value 0 */
#define ATU_OUMWTVR0    0x64    /* Outbound Mem Window Xlate Value 0 Upper */
#define ATU_OMWTVR1     0x68    /* Outbound Mem Window Xlate Value 1 */
#define ATU_OUMWTVR1    0x6c    /* Outbound Mem Window Xlate Value 1 Upper */
#define ATU_OUDWTVR     0x78    /* Outbound Mem Direct Xlate Value Upper */
#define ATU_ATUCR       0x80    /* ATU Configuration */
#define ATU_PCSR        0x84    /* PCI Configuration and Status */
#define ATU_ATUISR      0x88    /* ATU Interrupt Status */
#define ATU_ATUIMR      0x8c    /* ATU Interrupt Mask */
#define ATU_IABAR3      0x90    /* Inbound ATU Base Address 3 */
#define ATU_IAUBAR3     0x94    /* Inbound ATU Base Address 3 Upper */
#define ATU_IALR3       0x98    /* Inbound ATU Limit 3 */
#define ATU_IATVR3      0x9c    /* Inbound ATU Xlate Value 3 */
#define ATU_OCCAR       0xa4    /* Outbound Configuration Cycle Address */
#define ATU_OCCDR       0xac    /* Outbound Configuration Cycle Data */
#define ATU_MSI_PORT    0xb4    /* MSI port */
#define ATU_PDSCR       0xbc    /* PCI Bus Drive Strength Control */
#define ATU_PCI_X_CAP_ID 0xe0   /* (1) */
#define ATU_PCI_X_NEXT  0xe1    /* (1) */
#define ATU_PCIXCMD     0xe2    /* PCI-X Command Register (2) */
#define ATU_PCIXSR      0xe4    /* PCI-X Status Register */

#define ATUCR_DRC_ALIAS         (1U << 19)
#define ATUCR_DAU2GXEN          (1U << 18)
#define ATUCR_P_SERR_MA         (1U << 16)
#define ATUCR_DTS               (1U << 15)
#define ATUCR_P_SERR_DIE        (1U << 9)
#define ATUCR_DAE               (1U << 8)
#define ATUCR_BIST_IE           (1U << 3)
#define ATUCR_OUT_EN            (1U << 1)

#define PCSR_DAAAPE             (1U << 18)
#define PCSR_PCI_X_CAP          (3U << 16)
#define PCSR_PCI_X_CAP_BORING   (0 << 16)
#define PCSR_PCI_X_CAP_66       (1U << 16)
#define PCSR_PCI_X_CAP_100      (2U << 16)
#define PCSR_PCI_X_CAP_133      (3U << 16)
#define PCSR_OTQB               (1U << 15)
#define PCSR_IRTQB              (1U << 14)
#define PCSR_DTV                (1U << 12)
#define PCSR_BUS66              (1U << 10)
#define PCSR_BUS64              (1U << 8)
#define PCSR_RIB                (1U << 5)
#define PCSR_RPB                (1U << 4)
#define PCSR_CCR                (1U << 2)
#define PCSR_CPR                (1U << 1)

#define ATUISR_IMW1BU           (1U << 14)
#define ATUISR_ISCEM            (1U << 13)
#define ATUISR_RSCEM            (1U << 12)
#define ATUISR_PST              (1U << 11)
#define ATUISR_P_SERR_ASRT      (1U << 10)
#define ATUISR_DPE              (1U << 9)
#define ATUISR_BIST             (1U << 8)
#define ATUISR_IBMA             (1U << 7)
#define ATUISR_P_SERR_DET       (1U << 4)
#define ATUISR_PMA              (1U << 3)
#define ATUISR_PTAM             (1U << 2)
#define ATUISR_PTAT             (1U << 1)
#define ATUISR_PMPE             (1U << 0)

#define ATUIMR_IMW1BU           (1U << 11)
#define ATUIMR_ISCEM            (1U << 10)
#define ATUIMR_RSCEM            (1U << 9)
#define ATUIMR_PST              (1U << 8)
#define ATUIMR_DPE              (1U << 7)
#define ATUIMR_P_SERR_ASRT      (1U << 6)
#define ATUIMR_PMA              (1U << 5)
#define ATUIMR_PTAM             (1U << 4)
#define ATUIMR_PTAT             (1U << 3)
#define ATUIMR_PMPE             (1U << 2)
#define ATUIMR_IE_SERR_EN       (1U << 1)
#define ATUIMR_ECC_TAE          (1U << 0)

#define PCIXCMD_MOST_1          (0 << 4)
#define PCIXCMD_MOST_2          (1 << 4)
#define PCIXCMD_MOST_3          (2 << 4)
#define PCIXCMD_MOST_4          (3 << 4)
#define PCIXCMD_MOST_8          (4 << 4)
#define PCIXCMD_MOST_12         (5 << 4)
#define PCIXCMD_MOST_16         (6 << 4)
#define PCIXCMD_MOST_32         (7 << 4)
#define PCIXCMD_MOST_MASK       (7 << 4)
#define PCIXCMD_MMRBC_512       (0 << 2)
#define PCIXCMD_MMRBC_1024      (1 << 2)
#define PCIXCMD_MMRBC_2048      (2 << 2)
#define PCIXCMD_MMRBC_4096      (3 << 2)
#define PCIXCMD_MMRBC_MASK      (3 << 2)
#define PCIXCMD_ERO             (1U << 1)
#define PCIXCMD_DPERE           (1U << 0)

#define PCIXSR_RSCEM            (1U << 29)
#define PCIXSR_DMCRS_MASK       (7 << 26)
#define PCIXSR_DMOST_MASK       (7 << 23)
#define PCIXSR_COMPLEX          (1U << 20)
#define PCIXSR_USC              (1U << 19)
#define PCIXSR_SCD              (1U << 18)
#define PCIXSR_133_CAP          (1U << 17)
#define PCIXSR_32PCI            (1U << 16)      /* 0 = 32, 1 = 64 */
#define PCIXSR_BUSNO(x)         (((x) & 0xff00) >> 8)
#define PCIXSR_DEVNO(x)         (((x) & 0xf8) >> 3)
#define PCIXSR_FUNCNO(x)        ((x) & 0x7)

/*
 * Memory Controller Unit
 */
#define MCU_SDIR                0x00    /* DDR SDRAM Init. Register */
#define MCU_SDCR                0x04    /* DDR SDRAM Control Register */
#define MCU_SDBR                0x08    /* SDRAM Base Register */
#define MCU_SBR0                0x0c    /* SDRAM Boundary 0 */
#define MCU_SBR1                0x10    /* SDRAM Boundary 1 */
#define MCU_ECCR                0x34    /* ECC Control Register */
#define MCU_ELOG0               0x38    /* ECC Log 0 */
#define MCU_ELOG1               0x3c    /* ECC Log 1 */
#define MCU_ECAR0               0x40    /* ECC address 0 */
#define MCU_ECAR1               0x44    /* ECC address 1 */
#define MCU_ECTST               0x48    /* ECC test register */
#define MCU_MCISR               0x4c    /* MCU Interrupt Status Register */
#define MCU_RFR                 0x50    /* Refresh Frequency Register */
#define MCU_DBUDSR              0x54    /* Data Bus Pull-up Drive Strength */
#define MCU_DBDDSR              0x58    /* Data Bus Pull-down Drive Strength */
#define MCU_CUDSR               0x5c    /* Clock Pull-up Drive Strength */
#define MCU_CDDSR               0x60    /* Clock Pull-down Drive Strength */
#define MCU_CEUDSR              0x64    /* Clock En Pull-up Drive Strength */
#define MCU_CEDDSR              0x68    /* Clock En Pull-down Drive Strength */
#define MCU_CSUDSR              0x6c    /* Chip Sel Pull-up Drive Strength */
#define MCU_CSDDSR              0x70    /* Chip Sel Pull-down Drive Strength */
#define MCU_REUDSR              0x74    /* Rx En Pull-up Drive Strength */
#define MCU_REDDSR              0x78    /* Rx En Pull-down Drive Strength */
#define MCU_ABUDSR              0x7c    /* Addr Bus Pull-up Drive Strength */
#define MCU_ABDDSR              0x80    /* Addr Bus Pull-down Drive Strength */
#define MCU_DSDR                0x84    /* Data Strobe Delay Register */
#define MCU_REDR                0x88    /* Rx Enable Delay Register */

#define SDCR_DIMMTYPE           (1U << 1)       /* 0 = unbuf, 1 = reg */
#define SDCR_BUSWIDTH           (1U << 2)       /* 0 = 64, 1 = 32 */

#define SBRx_TECH               (1U << 31)
#define SBRx_BOUND              0x0000003f

#define ECCR_SBERE              (1U << 0)
#define ECCR_MBERE              (1U << 1)
#define ECCR_SBECE              (1U << 2)
#define ECCR_ECCEN              (1U << 3)

#define ELOGx_SYNDROME          0x000000ff
#define ELOGx_ERRTYPE           (1U << 8)       /* 1 = multi-bit */
#define ELOGx_RW                (1U << 12)      /* 1 = write error */
        /*
         * Dev ID       Func            Requester
         * 2            0               XScale core
         * 2            1               ATU
         * 13           0               DMA channel 0
         * 13           1               DMA channel 1
         * 26           0               ATU
         */
#define ELOGx_REQ_DEV(x)        (((x) >> 19) & 0x1f)
#define ELOGx_REQ_FUNC(x)       (((x) >> 16) & 0x3)

#define MCISR_ECC_ERR0          (1U << 0)
#define MCISR_ECC_ERR1          (1U << 1)
#define MCISR_ECC_ERRN          (1U << 2)

/*
 * Timers
 *
 * The i80321 timer registers are available in both memory-mapped
 * and coprocessor spaces.  Most of the registers are read-only
 * if memory-mapped, so we access them via coprocessor space.
 *
 *      TMR0    cp6 c0,1        0xffffe7e0
 *      TMR1    cp6 c1,1        0xffffe7e4
 *      TCR0    cp6 c2,1        0xffffe7e8
 *      TCR1    cp6 c3,1        0xffffe7ec
 *      TRR0    cp6 c4,1        0xffffe7f0
 *      TRR1    cp6 c5,1        0xffffe7f4
 *      TISR    cp6 c6,1        0xffffe7f8
 *      WDTCR   cp6 c7,1        0xffffe7fc
 */

#define TMRx_TC                 (1U << 0)
#define TMRx_ENABLE             (1U << 1)
#define TMRx_RELOAD             (1U << 2)
#define TMRx_CSEL_CORE          (0 << 4)
#define TMRx_CSEL_CORE_div4     (1 << 4)
#define TMRx_CSEL_CORE_div8     (2 << 4)
#define TMRx_CSEL_CORE_div16    (3 << 4)

#define TISR_TMR0               (1U << 0)
#define TISR_TMR1               (1U << 1)

#define WDTCR_ENABLE1           0x1e1e1e1e
#define WDTCR_ENABLE2           0xe1e1e1e1

/*
 * Interrupt Controller Unit.
 *
 *      INTCTL  cp6 c0,0        0xffffe7d0
 *      INTSTR  cp6 c4,0        0xffffe7d4
 *      IINTSRC cp6 c8,0        0xffffe7d8
 *      FINTSRC cp6 c9,0        0xffffe7dc
 *      PIRSR                   0xffffe1ec
 */

#define ICU_PIRSR               0x01ec
#define ICU_GPOE                0x07c4
#define ICU_GPID                0x07c8
#define ICU_GPOD                0x07cc

/*
 * NOTE: WE USE THE `bitXX' BITS TO INDICATE PENDING SOFTWARE
 * INTERRUPTS.  See i80321_icu.c
 */
#define ICU_INT_HPI             31      /* high priority interrupt */
#define ICU_INT_XINT0           27      /* external interrupts */
#define ICU_INT_XINT(x)         ((x) + ICU_INT_XINT0)
#define ICU_INT_bit26           26
#define ICU_INT_SSP             25      /* SSP serial port */
#define ICU_INT_MUE             24      /* msg unit error */
#define ICU_INT_AAUE            23      /* AAU error */
#define ICU_INT_bit22           22
#define ICU_INT_DMA1E           21      /* DMA Ch 1 error */
#define ICU_INT_DMA0E           20      /* DMA Ch 0 error */
#define ICU_INT_MCUE            19      /* memory controller error */
#define ICU_INT_ATUE            18      /* ATU error */
#define ICU_INT_BIUE            17      /* bus interface unit error */
#define ICU_INT_PMU             16      /* XScale PMU */
#define ICU_INT_PPM             15      /* peripheral PMU */
#define ICU_INT_BIST            14      /* ATU Start BIST */
#define ICU_INT_MU              13      /* messaging unit */
#define ICU_INT_I2C1            12      /* i2c unit 1 */
#define ICU_INT_I2C0            11      /* i2c unit 0 */
#define ICU_INT_TMR1            10      /* timer 1 */
#define ICU_INT_TMR0            9       /* timer 0 */
#define ICU_INT_CPPM            8       /* core processor PMU */
#define ICU_INT_AAU_EOC         7       /* AAU end-of-chain */
#define ICU_INT_AAU_EOT         6       /* AAU end-of-transfer */
#define ICU_INT_bit5            5
#define ICU_INT_bit4            4
#define ICU_INT_DMA1_EOC        3       /* DMA1 end-of-chain */
#define ICU_INT_DMA1_EOT        2       /* DMA1 end-of-transfer */
#define ICU_INT_DMA0_EOC        1       /* DMA0 end-of-chain */
#define ICU_INT_DMA0_EOT        0       /* DMA0 end-of-transfer */

#define ICU_INT_HWMASK          (0xffffffff & \
                                        ~((1 << ICU_INT_bit26) | \
                                          (1 << ICU_INT_bit22) | \
                                          (1 << ICU_INT_bit5)  | \
                                          (1 << ICU_INT_bit4)))

/*
 * SSP Serial Port
 */

#define SSP_SSCR0       0x00            /* SSC control 0 */
#define SSP_SSCR1       0x04            /* SSC control 1 */
#define SSP_SSSR        0x08            /* SSP status */
#define SSP_SSITR       0x0c            /* SSP interrupt test */
#define SSP_SSDR        0x10            /* SSP data */

#define SSP_SSCR0_DSIZE(x)      ((x) - 1)/* data size: 4..16 */
#define SSP_SSCR0_FRF_SPI       (0 << 4) /* Motorola Serial Periph Iface */
#define SSP_SSCR0_FRF_SSP       (1U << 4)/* TI Sync. Serial Protocol */
#define SSP_SSCR0_FRF_UWIRE     (2U << 4)/* NatSemi Microwire */
#define SSP_SSCR0_FRF_rsvd      (3U << 4)/* reserved */
#define SSP_SSCR0_ECS           (1U << 6)/* external clock select */
#define SSP_SSCR0_SSE           (1U << 7)/* sync. serial port enable */
#define SSP_SSCR0_SCR(x)        ((x) << 8)/* serial clock rate */
                                          /* bit rate = 3.6864 * 10e6 /
                                                (2 * (SCR + 1)) */

#define SSP_SSCR1_RIE           (1U << 0)/* Rx FIFO interrupt enable */
#define SSP_SSCR1_TIE           (1U << 1)/* Tx FIFO interrupt enable */
#define SSP_SSCR1_LBM           (1U << 2)/* loopback mode enable */
#define SSP_SSCR1_SPO           (1U << 3)/* Moto SPI SSCLK pol. (1 = high) */
#define SSP_SSCR1_SPH           (1U << 4)/* Moto SPI SSCLK phase:
                                            0 = inactive full at start,
                                                1/2 at end of frame
                                            1 = inactive 1/2 at start,
                                                full at end of frame */
#define SSP_SSCR1_MWDS          (1U << 5)/* Microwire data size:
                                            0 = 8 bit
                                            1 = 16 bit */
#define SSP_SSCR1_TFT           (((x) - 1) << 6) /* Tx FIFO threshold */
#define SSP_SSCR1_RFT           (((x) - 1) << 10)/* Rx FIFO threshold */
#define SSP_SSCR1_EFWR          (1U << 14)/* enab. FIFO write/read */
#define SSP_SSCR1_STRF          (1U << 15)/* FIFO write/read FIFO select:
                                             0 = Tx FIFO
                                             1 = Rx FIFO */

#define SSP_SSSR_TNF            (1U << 2)/* Tx FIFO not full */
#define SSP_SSSR_RNE            (1U << 3)/* Rx FIFO not empty */
#define SSP_SSSR_BSY            (1U << 4)/* SSP is busy */
#define SSP_SSSR_TFS            (1U << 5)/* Tx FIFO service request */
#define SSP_SSSR_RFS            (1U << 6)/* Rx FIFO service request */
#define SSP_SSSR_ROR            (1U << 7)/* Rx FIFO overrun */
#define SSP_SSSR_TFL(x)         (((x) >> 8) & 0xf) /* Tx FIFO level */
#define SSP_SSSR_RFL(x)         (((x) >> 12) & 0xf)/* Rx FIFO level */

#define SSP_SSITR_TTFS          (1U << 5)/* Test Tx FIFO service */
#define SSP_SSITR_TRFS          (1U << 6)/* Test Rx FIFO service */
#define SSP_SSITR_TROR          (1U << 7)/* Test Rx overrun */

/*
 * Peripheral Bus Interface Unit
 */

#define PBIU_PBCR               0x00    /* PBIU Control Register */
#define PBIU_PBBAR0             0x08    /* PBIU Base Address Register 0 */
#define PBIU_PBLR0              0x0c    /* PBIU Limit Register 0 */
#define PBIU_PBBAR1             0x10    /* PBIU Base Address Register 1 */
#define PBIU_PBLR1              0x14    /* PBIU Limit Register 1 */
#define PBIU_PBBAR2             0x18    /* PBIU Base Address Register 2 */
#define PBIU_PBLR2              0x1c    /* PBIU Limit Register 2 */
#define PBIU_PBBAR3             0x20    /* PBIU Base Address Register 3 */
#define PBIU_PBLR3              0x24    /* PBIU Limit Register 3 */
#define PBIU_PBBAR4             0x28    /* PBIU Base Address Register 4 */
#define PBIU_PBLR4              0x2c    /* PBIU Limit Register 4 */
#define PBIU_PBBAR5             0x30    /* PBIU Base Address Register 5 */
#define PBIU_PBLR5              0x34    /* PBIU Limit Register 5 */
#define PBIU_DSCR               0x38    /* PBIU Drive Strength Control Reg. */
#define PBIU_MBR0               0x40    /* PBIU Memory-less Boot Reg. 0 */
#define PBIU_MBR1               0x60    /* PBIU Memory-less Boot Reg. 1 */
#define PBIU_MBR2               0x64    /* PBIU Memory-less Boot Reg. 2 */

#define PBIU_PBCR_PBIEN         (1 << 0)
#define PBIU_PBCR_PBI100        (1 << 1)
#define PBIU_PBCR_PBI66         (2 << 1)
#define PBIU_PBCR_PBI33         (3 << 1)
#define PBIU_PBCR_PBBEN         (1 << 3)

#define PBIU_PBARx_WIDTH8       (0 << 0)
#define PBIU_PBARx_WIDTH16      (1 << 0)
#define PBIU_PBARx_WIDTH32      (2 << 0)
#define PBIU_PBARx_ADWAIT4      (0 << 2)
#define PBIU_PBARx_ADWAIT8      (1 << 2)
#define PBIU_PBARx_ADWAIT12     (2 << 2)
#define PBIU_PBARx_ADWAIT16     (3 << 2)
#define PBIU_PBARx_ADWAIT20     (4 << 2)
#define PBIU_PBARx_RCWAIT1      (0 << 6)
#define PBIU_PBARx_RCWAIT4      (1 << 6)
#define PBIU_PBARx_RCWAIT8      (2 << 6)
#define PBIU_PBARx_RCWAIT12     (3 << 6)
#define PBIU_PBARx_RCWAIT16     (4 << 6)
#define PBIU_PBARx_RCWAIT20     (5 << 6)
#define PBIU_PBARx_FWE          (1 << 9)
#define PBIU_BASE_MASK          0xfffff000U

#define PBIU_PBLRx_SIZE(x)      (~((x) - 1))

/*
 * Messaging Unit
 */
#define MU_IMR0                 0x0010  /* MU Inbound Message Register 0 */
#define MU_IMR1                 0x0014  /* MU Inbound Message Register 1 */
#define MU_OMR0                 0x0018  /* MU Outbound Message Register 0 */
#define MU_OMR1                 0x001c  /* MU Outbound Message Register 1 */
#define MU_IDR                  0x0020  /* MU Inbound Doorbell Register */
#define MU_IISR                 0x0024  /* MU Inbound Interrupt Status Reg */
#define MU_IIMR                 0x0028  /* MU Inbound Interrupt Mask Reg */
#define MU_ODR                  0x002c  /* MU Outbound Doorbell Register */
#define MU_OISR                 0x0030  /* MU Outbound Interrupt Status Reg */
#define MU_OIMR                 0x0034  /* MU Outbound Interrupt Mask Reg */
#define MU_MUCR                 0x0050  /* MU Configuration Register */
#define MU_QBAR                 0x0054  /* MU Queue Base Address Register */
#define MU_IFHPR                0x0060  /* MU Inbound Free Head Pointer Reg */
#define MU_IFTPR                0x0064  /* MU Inbound Free Tail Pointer Reg */
#define MU_IPHPR                0x0068  /* MU Inbound Post Head Pointer Reg */
#define MU_IPTPR                0x006c  /* MU Inbound Post Tail Pointer Reg */
#define MU_OFHPR                0x0070  /* MU Outbound Free Head Pointer Reg */
#define MU_OFTPR                0x0074  /* MU Outbound Free Tail Pointer Reg */
#define MU_OPHPR                0x0078  /* MU Outbound Post Head Pointer Reg */
#define MU_OPTPR                0x007c  /* MU Outbound Post Tail Pointer Reg */
#define MU_IAR                  0x0080  /* MU Index Address Register */

#define MU_IIMR_IRI     (1 << 6)        /* Index Register Interrupt */
#define MU_IIMR_OFQFI   (1 << 5)        /* Outbound Free Queue Full Int. */
#define MU_IIMR_IPQI    (1 << 4)        /* Inbound Post Queue Interrupt */
#define MU_IIMR_EDI     (1 << 3)        /* Error Doorbell Interrupt */
#define MU_IIMR_IDI     (1 << 2)        /* Inbound Doorbell Interrupt */
#define MU_IIMR_IM1I    (1 << 1)        /* Inbound Message 1 Interrupt */
#define MU_IIMR_IM0I    (1 << 0)        /* Inbound Message 0 Interrupt */

#endif /* _ARM_XSCALE_I80321REG_H_ */