treewide: remove redundant IS_ERR() before error code check

[linux/fpc-iii.git] / arch / mips / include / asm / mips-boards / msc01_pci.h

/*
 * PCI Register definitions for the MIPS System Controller.
 *
 * Copyright (C) 2002, 2005  MIPS Technologies, Inc.  All rights reserved.
 *      Authors: Carsten Langgaard <carstenl@mips.com>
 *               Maciej W. Rozycki <macro@mips.com>
 *
 * 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.
 */
#ifndef __ASM_MIPS_BOARDS_MSC01_PCI_H
#define __ASM_MIPS_BOARDS_MSC01_PCI_H

/*
 * Register offset addresses
 */

#define MSC01_PCI_ID_OFS                0x0000
#define MSC01_PCI_SC2PMBASL_OFS         0x0208
#define MSC01_PCI_SC2PMMSKL_OFS         0x0218
#define MSC01_PCI_SC2PMMAPL_OFS         0x0228
#define MSC01_PCI_SC2PIOBASL_OFS        0x0248
#define MSC01_PCI_SC2PIOMSKL_OFS        0x0258
#define MSC01_PCI_SC2PIOMAPL_OFS        0x0268
#define MSC01_PCI_P2SCMSKL_OFS          0x0308
#define MSC01_PCI_P2SCMAPL_OFS          0x0318
#define MSC01_PCI_INTCFG_OFS            0x0600
#define MSC01_PCI_INTSTAT_OFS           0x0608
#define MSC01_PCI_CFGADDR_OFS           0x0610
#define MSC01_PCI_CFGDATA_OFS           0x0618
#define MSC01_PCI_IACK_OFS              0x0620
#define MSC01_PCI_HEAD0_OFS             0x2000  /* DevID, VendorID */
#define MSC01_PCI_HEAD1_OFS             0x2008  /* Status, Command */
#define MSC01_PCI_HEAD2_OFS             0x2010  /* Class code, RevID */
#define MSC01_PCI_HEAD3_OFS             0x2018  /* bist, header, latency */
#define MSC01_PCI_HEAD4_OFS             0x2020  /* BAR 0 */
#define MSC01_PCI_HEAD5_OFS             0x2028  /* BAR 1 */
#define MSC01_PCI_HEAD6_OFS             0x2030  /* BAR 2 */
#define MSC01_PCI_HEAD7_OFS             0x2038  /* BAR 3 */
#define MSC01_PCI_HEAD8_OFS             0x2040  /* BAR 4 */
#define MSC01_PCI_HEAD9_OFS             0x2048  /* BAR 5 */
#define MSC01_PCI_HEAD10_OFS            0x2050  /* CardBus CIS Ptr */
#define MSC01_PCI_HEAD11_OFS            0x2058  /* SubSystem ID, -VendorID */
#define MSC01_PCI_HEAD12_OFS            0x2060  /* ROM BAR */
#define MSC01_PCI_HEAD13_OFS            0x2068  /* Capabilities ptr */
#define MSC01_PCI_HEAD14_OFS            0x2070  /* reserved */
#define MSC01_PCI_HEAD15_OFS            0x2078  /* Maxl, ming, intpin, int */
#define MSC01_PCI_BAR0_OFS              0x2220
#define MSC01_PCI_CFG_OFS               0x2380
#define MSC01_PCI_SWAP_OFS              0x2388


/*****************************************************************************
 * Register encodings
 ****************************************************************************/

#define MSC01_PCI_ID_ID_SHF             16
#define MSC01_PCI_ID_ID_MSK             0x00ff0000
#define MSC01_PCI_ID_ID_HOSTBRIDGE      82
#define MSC01_PCI_ID_MAR_SHF            8
#define MSC01_PCI_ID_MAR_MSK            0x0000ff00
#define MSC01_PCI_ID_MIR_SHF            0
#define MSC01_PCI_ID_MIR_MSK            0x000000ff

#define MSC01_PCI_SC2PMBASL_BAS_SHF     24
#define MSC01_PCI_SC2PMBASL_BAS_MSK     0xff000000

#define MSC01_PCI_SC2PMMSKL_MSK_SHF     24
#define MSC01_PCI_SC2PMMSKL_MSK_MSK     0xff000000

#define MSC01_PCI_SC2PMMAPL_MAP_SHF     24
#define MSC01_PCI_SC2PMMAPL_MAP_MSK     0xff000000

#define MSC01_PCI_SC2PIOBASL_BAS_SHF    24
#define MSC01_PCI_SC2PIOBASL_BAS_MSK    0xff000000

#define MSC01_PCI_SC2PIOMSKL_MSK_SHF    24
#define MSC01_PCI_SC2PIOMSKL_MSK_MSK    0xff000000

#define MSC01_PCI_SC2PIOMAPL_MAP_SHF    24
#define MSC01_PCI_SC2PIOMAPL_MAP_MSK    0xff000000

#define MSC01_PCI_P2SCMSKL_MSK_SHF      24
#define MSC01_PCI_P2SCMSKL_MSK_MSK      0xff000000

#define MSC01_PCI_P2SCMAPL_MAP_SHF      24
#define MSC01_PCI_P2SCMAPL_MAP_MSK      0xff000000

#define MSC01_PCI_INTCFG_RST_SHF        10
#define MSC01_PCI_INTCFG_RST_MSK        0x00000400
#define MSC01_PCI_INTCFG_RST_BIT        0x00000400
#define MSC01_PCI_INTCFG_MWE_SHF        9
#define MSC01_PCI_INTCFG_MWE_MSK        0x00000200
#define MSC01_PCI_INTCFG_MWE_BIT        0x00000200
#define MSC01_PCI_INTCFG_DTO_SHF        8
#define MSC01_PCI_INTCFG_DTO_MSK        0x00000100
#define MSC01_PCI_INTCFG_DTO_BIT        0x00000100
#define MSC01_PCI_INTCFG_MA_SHF         7
#define MSC01_PCI_INTCFG_MA_MSK         0x00000080
#define MSC01_PCI_INTCFG_MA_BIT         0x00000080
#define MSC01_PCI_INTCFG_TA_SHF         6
#define MSC01_PCI_INTCFG_TA_MSK         0x00000040
#define MSC01_PCI_INTCFG_TA_BIT         0x00000040
#define MSC01_PCI_INTCFG_RTY_SHF        5
#define MSC01_PCI_INTCFG_RTY_MSK        0x00000020
#define MSC01_PCI_INTCFG_RTY_BIT        0x00000020
#define MSC01_PCI_INTCFG_MWP_SHF        4
#define MSC01_PCI_INTCFG_MWP_MSK        0x00000010
#define MSC01_PCI_INTCFG_MWP_BIT        0x00000010
#define MSC01_PCI_INTCFG_MRP_SHF        3
#define MSC01_PCI_INTCFG_MRP_MSK        0x00000008
#define MSC01_PCI_INTCFG_MRP_BIT        0x00000008
#define MSC01_PCI_INTCFG_SWP_SHF        2
#define MSC01_PCI_INTCFG_SWP_MSK        0x00000004
#define MSC01_PCI_INTCFG_SWP_BIT        0x00000004
#define MSC01_PCI_INTCFG_SRP_SHF        1
#define MSC01_PCI_INTCFG_SRP_MSK        0x00000002
#define MSC01_PCI_INTCFG_SRP_BIT        0x00000002
#define MSC01_PCI_INTCFG_SE_SHF         0
#define MSC01_PCI_INTCFG_SE_MSK         0x00000001
#define MSC01_PCI_INTCFG_SE_BIT         0x00000001

#define MSC01_PCI_INTSTAT_RST_SHF       10
#define MSC01_PCI_INTSTAT_RST_MSK       0x00000400
#define MSC01_PCI_INTSTAT_RST_BIT       0x00000400
#define MSC01_PCI_INTSTAT_MWE_SHF       9
#define MSC01_PCI_INTSTAT_MWE_MSK       0x00000200
#define MSC01_PCI_INTSTAT_MWE_BIT       0x00000200
#define MSC01_PCI_INTSTAT_DTO_SHF       8
#define MSC01_PCI_INTSTAT_DTO_MSK       0x00000100
#define MSC01_PCI_INTSTAT_DTO_BIT       0x00000100
#define MSC01_PCI_INTSTAT_MA_SHF        7
#define MSC01_PCI_INTSTAT_MA_MSK        0x00000080
#define MSC01_PCI_INTSTAT_MA_BIT        0x00000080
#define MSC01_PCI_INTSTAT_TA_SHF        6
#define MSC01_PCI_INTSTAT_TA_MSK        0x00000040
#define MSC01_PCI_INTSTAT_TA_BIT        0x00000040
#define MSC01_PCI_INTSTAT_RTY_SHF       5
#define MSC01_PCI_INTSTAT_RTY_MSK       0x00000020
#define MSC01_PCI_INTSTAT_RTY_BIT       0x00000020
#define MSC01_PCI_INTSTAT_MWP_SHF       4
#define MSC01_PCI_INTSTAT_MWP_MSK       0x00000010
#define MSC01_PCI_INTSTAT_MWP_BIT       0x00000010
#define MSC01_PCI_INTSTAT_MRP_SHF       3
#define MSC01_PCI_INTSTAT_MRP_MSK       0x00000008
#define MSC01_PCI_INTSTAT_MRP_BIT       0x00000008
#define MSC01_PCI_INTSTAT_SWP_SHF       2
#define MSC01_PCI_INTSTAT_SWP_MSK       0x00000004
#define MSC01_PCI_INTSTAT_SWP_BIT       0x00000004
#define MSC01_PCI_INTSTAT_SRP_SHF       1
#define MSC01_PCI_INTSTAT_SRP_MSK       0x00000002
#define MSC01_PCI_INTSTAT_SRP_BIT       0x00000002
#define MSC01_PCI_INTSTAT_SE_SHF        0
#define MSC01_PCI_INTSTAT_SE_MSK        0x00000001
#define MSC01_PCI_INTSTAT_SE_BIT        0x00000001

#define MSC01_PCI_CFGADDR_BNUM_SHF      16
#define MSC01_PCI_CFGADDR_BNUM_MSK      0x00ff0000
#define MSC01_PCI_CFGADDR_DNUM_SHF      11
#define MSC01_PCI_CFGADDR_DNUM_MSK      0x0000f800
#define MSC01_PCI_CFGADDR_FNUM_SHF      8
#define MSC01_PCI_CFGADDR_FNUM_MSK      0x00000700
#define MSC01_PCI_CFGADDR_RNUM_SHF      2
#define MSC01_PCI_CFGADDR_RNUM_MSK      0x000000fc

#define MSC01_PCI_CFGDATA_DATA_SHF      0
#define MSC01_PCI_CFGDATA_DATA_MSK      0xffffffff

/* The defines below are ONLY valid for a MEM bar! */
#define MSC01_PCI_BAR0_SIZE_SHF         4
#define MSC01_PCI_BAR0_SIZE_MSK         0xfffffff0
#define MSC01_PCI_BAR0_P_SHF            3
#define MSC01_PCI_BAR0_P_MSK            0x00000008
#define MSC01_PCI_BAR0_P_BIT            MSC01_PCI_BAR0_P_MSK
#define MSC01_PCI_BAR0_D_SHF            1
#define MSC01_PCI_BAR0_D_MSK            0x00000006
#define MSC01_PCI_BAR0_T_SHF            0
#define MSC01_PCI_BAR0_T_MSK            0x00000001
#define MSC01_PCI_BAR0_T_BIT            MSC01_PCI_BAR0_T_MSK


#define MSC01_PCI_CFG_RA_SHF            17
#define MSC01_PCI_CFG_RA_MSK            0x00020000
#define MSC01_PCI_CFG_RA_BIT            MSC01_PCI_CFG_RA_MSK
#define MSC01_PCI_CFG_G_SHF             16
#define MSC01_PCI_CFG_G_MSK             0x00010000
#define MSC01_PCI_CFG_G_BIT             MSC01_PCI_CFG_G_MSK
#define MSC01_PCI_CFG_EN_SHF            15
#define MSC01_PCI_CFG_EN_MSK            0x00008000
#define MSC01_PCI_CFG_EN_BIT            MSC01_PCI_CFG_EN_MSK
#define MSC01_PCI_CFG_MAXRTRY_SHF       0
#define MSC01_PCI_CFG_MAXRTRY_MSK       0x00000fff

#define MSC01_PCI_SWAP_IO_SHF           18
#define MSC01_PCI_SWAP_IO_MSK           0x000c0000
#define MSC01_PCI_SWAP_MEM_SHF          16
#define MSC01_PCI_SWAP_MEM_MSK          0x00030000
#define MSC01_PCI_SWAP_BAR0_SHF         0
#define MSC01_PCI_SWAP_BAR0_MSK         0x00000003
#define MSC01_PCI_SWAP_NOSWAP           0
#define MSC01_PCI_SWAP_BYTESWAP         1

/*
 * MIPS System controller PCI register base.
 *
 * FIXME - are these macros specific to Malta and co or to the MSC?  If the
 * latter, they should be moved elsewhere.
 */
#define MIPS_MSC01_PCI_REG_BASE         0x1bd00000
#define MIPS_SOCITSC_PCI_REG_BASE       0x1ff10000

extern unsigned long _pcictrl_msc;

#define MSC01_PCI_REG_BASE      _pcictrl_msc

#define MSC_WRITE(reg, data)    do { *(volatile u32 *)(reg) = data; } while (0)
#define MSC_READ(reg, data)     do { data = *(volatile u32 *)(reg); } while (0)

/*
 * Registers absolute addresses
 */

#define MSC01_PCI_ID            (MSC01_PCI_REG_BASE + MSC01_PCI_ID_OFS)
#define MSC01_PCI_SC2PMBASL     (MSC01_PCI_REG_BASE + MSC01_PCI_SC2PMBASL_OFS)
#define MSC01_PCI_SC2PMMSKL     (MSC01_PCI_REG_BASE + MSC01_PCI_SC2PMMSKL_OFS)
#define MSC01_PCI_SC2PMMAPL     (MSC01_PCI_REG_BASE + MSC01_PCI_SC2PMMAPL_OFS)
#define MSC01_PCI_SC2PIOBASL    (MSC01_PCI_REG_BASE + MSC01_PCI_SC2PIOBASL_OFS)
#define MSC01_PCI_SC2PIOMSKL    (MSC01_PCI_REG_BASE + MSC01_PCI_SC2PIOMSKL_OFS)
#define MSC01_PCI_SC2PIOMAPL    (MSC01_PCI_REG_BASE + MSC01_PCI_SC2PIOMAPL_OFS)
#define MSC01_PCI_P2SCMSKL      (MSC01_PCI_REG_BASE + MSC01_PCI_P2SCMSKL_OFS)
#define MSC01_PCI_P2SCMAPL      (MSC01_PCI_REG_BASE + MSC01_PCI_P2SCMAPL_OFS)
#define MSC01_PCI_INTCFG        (MSC01_PCI_REG_BASE + MSC01_PCI_INTCFG_OFS)
#define MSC01_PCI_INTSTAT       (MSC01_PCI_REG_BASE + MSC01_PCI_INTSTAT_OFS)
#define MSC01_PCI_CFGADDR       (MSC01_PCI_REG_BASE + MSC01_PCI_CFGADDR_OFS)
#define MSC01_PCI_CFGDATA       (MSC01_PCI_REG_BASE + MSC01_PCI_CFGDATA_OFS)
#define MSC01_PCI_IACK          (MSC01_PCI_REG_BASE + MSC01_PCI_IACK_OFS)
#define MSC01_PCI_HEAD0         (MSC01_PCI_REG_BASE + MSC01_PCI_HEAD0_OFS)
#define MSC01_PCI_HEAD1         (MSC01_PCI_REG_BASE + MSC01_PCI_HEAD1_OFS)
#define MSC01_PCI_HEAD2         (MSC01_PCI_REG_BASE + MSC01_PCI_HEAD2_OFS)
#define MSC01_PCI_HEAD3         (MSC01_PCI_REG_BASE + MSC01_PCI_HEAD3_OFS)
#define MSC01_PCI_HEAD4         (MSC01_PCI_REG_BASE + MSC01_PCI_HEAD4_OFS)
#define MSC01_PCI_HEAD5         (MSC01_PCI_REG_BASE + MSC01_PCI_HEAD5_OFS)
#define MSC01_PCI_HEAD6         (MSC01_PCI_REG_BASE + MSC01_PCI_HEAD6_OFS)
#define MSC01_PCI_HEAD7         (MSC01_PCI_REG_BASE + MSC01_PCI_HEAD7_OFS)
#define MSC01_PCI_HEAD8         (MSC01_PCI_REG_BASE + MSC01_PCI_HEAD8_OFS)
#define MSC01_PCI_HEAD9         (MSC01_PCI_REG_BASE + MSC01_PCI_HEAD9_OFS)
#define MSC01_PCI_HEAD10        (MSC01_PCI_REG_BASE + MSC01_PCI_HEAD10_OFS)
#define MSC01_PCI_HEAD11        (MSC01_PCI_REG_BASE + MSC01_PCI_HEAD11_OFS)
#define MSC01_PCI_HEAD12        (MSC01_PCI_REG_BASE + MSC01_PCI_HEAD11_OFS)
#define MSC01_PCI_HEAD13        (MSC01_PCI_REG_BASE + MSC01_PCI_HEAD11_OFS)
#define MSC01_PCI_HEAD14        (MSC01_PCI_REG_BASE + MSC01_PCI_HEAD11_OFS)
#define MSC01_PCI_HEAD15        (MSC01_PCI_REG_BASE + MSC01_PCI_HEAD11_OFS)
#define MSC01_PCI_BAR0          (MSC01_PCI_REG_BASE + MSC01_PCI_BAR0_OFS)
#define MSC01_PCI_CFG           (MSC01_PCI_REG_BASE + MSC01_PCI_CFG_OFS)
#define MSC01_PCI_SWAP          (MSC01_PCI_REG_BASE + MSC01_PCI_SWAP_OFS)

#endif /* __ASM_MIPS_BOARDS_MSC01_PCI_H */