release/src-rt/cfe/cfe/pci/ldtreg.h

   1 /*
   2  *  Copyright 2000,2001
   3  *  Broadcom Corporation. All rights reserved.
   4  *
   5  *  This software is furnished under license and may be used and
   6  *  copied only in accordance with the following terms and
   7  *  conditions.  Subject to these conditions, you may download,
   8  *  copy, install, use, modify and distribute modified or unmodified
   9  *  copies of this software in source and/or binary form.  No title
  10  *  or ownership is transferred hereby.
  11  *
  12  *  1) Any source code used, modified or distributed must reproduce
  13  *     and retain this copyright notice and list of conditions as
  14  *     they appear in the source file.
  15  *
  16  *  2) No right is granted to use any trade name, trademark, or
  17  *     logo of Broadcom Corporation. Neither the "Broadcom
  18  *     Corporation" name nor any trademark or logo of Broadcom
  19  *     Corporation may be used to endorse or promote products
  20  *     derived from this software without the prior written
  21  *     permission of Broadcom Corporation.
  22  *
  23  *  3) THIS SOFTWARE IS PROVIDED "AS-IS" AND ANY EXPRESS OR
  24  *     IMPLIED WARRANTIES, INCLUDING BUT NOT LIMITED TO, ANY IMPLIED
  25  *     WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR
  26  *     PURPOSE, OR NON-INFRINGEMENT ARE DISCLAIMED. IN NO EVENT
  27  *     SHALL BROADCOM BE LIABLE FOR ANY DAMAGES WHATSOEVER, AND IN
  28  *     PARTICULAR, BROADCOM SHALL NOT BE LIABLE FOR DIRECT, INDIRECT,
  29  *     INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
  30  *     (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
  31  *     GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
  32  *     BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
  33  *     OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR
  34  *     TORT (INCLUDING NEGLIGENCE OR OTHERWISE), EVEN IF ADVISED OF
  35  *     THE POSSIBILITY OF SUCH DAMAGE.
  36  */
  37
  38 #ifndef _LDTREG_H_
  39 #define _LDTREG_H_
  40
  41 /*
  42  * LDT capability register definitions and macros.
  43  * Derived from Revison 0.17 of the LDT (now HyperTransport)
  44  * Specification with some 1.02/1.03 features.
  45  *
  46  * Note: Register and field definitions assume 32-bit register accesses.
  47  */
  48
  49 /*
  50  * LDT Capability registers (identified by offsets within the capability)
  51  */
  52
  53 /*
  54  * Command Register; contains command and capability fields.
  55  */
  56 #define LDT_COMMAND_CAP_OFF             0x00
  57
  58 #define LDT_CAP_ID_MASK                         0x000000ff
  59 #define LDT_CAP_ID_SHIFT                        0
  60 #define LDT_CAP_PTR_MASK                        0x0000ff00
  61 #define LDT_CAP_PTR_SHIFT                       8
  62
  63 #define LDT_COMMAND_MASK                        0xffff0000
  64 #define LDT_COMMAND_SHIFT                       16
  65 #define LDT_COMMAND(cmd) \
  66         (((cmd) & LDT_COMMAND_MASK) >> LDT_COMMAND_SHIFT)
  67 #define LDT_COMMAND_TYPE_MASK                   0xe0000000
  68 #define LDT_COMMAND_TYPE_SHIFT                  (16+13)
  69 #define LDT_COMMAND_TYPE(cmd) \
  70         (((cmd) & LDT_COMMAND_TYPE_MASK) >> LDT_COMMAND_TYPE_SHIFT)
  71 #define LDT_COMMAND_TYPE_SLAVE                  0x0
  72 #define LDT_COMMAND_TYPE_HOST                   0x1
  73 #define LDT_COMMAND_TYPE_IDC                    0x4
  74 #define LDT_COMMAND_TYPE_AMAP                   0x5
  75 /* Following for 1.0x only */
  76 #define LDT_COMMAND_DROP_ON_INIT                0x10000000
  77
  78 /*
  79  * An LDT capability for type Slave (aka Primary, aka "tunnel") consists
  80  * of a Command register, two Link registers, and two Freq/Rev registers.
  81  */
  82 /* Slave/Primary commands */
  83 #define LDT_COMMAND_UNIT_ID_MASK                0x001f0000
  84 #define LDT_COMMAND_UNIT_ID_SHIFT               (16+0)
  85 #define LDT_COMMAND_UNIT_ID(cmd) \
  86         (((cmd) & LDT_COMMAND_UNIT_ID_MASK) >> LDT_COMMAND_UNIT_ID_SHIFT)
  87 #define LDT_COMMAND_UNIT_COUNT_MASK             0x03e00000
  88 #define LDT_COMMAND_UNIT_COUNT_SHIFT            (16+5)
  89 #define LDT_COMMAND_UNIT_COUNT(cmd) \
  90         (((cmd) & LDT_COMMAND_UNIT_COUNT_MASK) >> LDT_COMMAND_UNIT_COUNT_SHIFT)
  91 #define LDT_COMMAND_MASTER_HOST_MASK            0x04000000
  92 #define LDT_COMMAND_MASTER_HOST(cmd) \
  93         (((cmd) & LDT_COMMAND_MASTER_HOST_MASK) ? 1 : 0)
  94 #define LDT_COMMAND_DEFAULT_DIRECTION_MASK      0x08000000
  95 #define LDT_COMMAND_DEFAULT_DIRECTION(cmd) \
  96         (((cmd) & LDT_COMMAND_DEFAULT_DIRECTION_MASK) ? 1 : 0)
  97
  98 /*
  99  * An LDT capability for type Host (aka Secondary) consists of a
 100  * Command register, a single Link register, and a Freq/Rev register.
 101  */
 102 /* Host/Secondary command fields */
 103 #define LDT_COMMAND_WARM_RESET                  0x00010000
 104 #define LDT_COMMAND_DOUBLE_ENDED                0x00020000
 105 #define LDT_COMMAND_DEVICE_NUMBER_MASK          0x007c0000
 106 #define LDT_COMMAND_DEVICE_NUMBER_SHIFT         (16+2)
 107 /* Following for 1.0x only */
 108 #define LDT_COMMAND_CHAIN_SIDE                  0x00800000
 109 #define LDT_COMMAND_HOST_HIDE                   0x01000000
 110 #define LDT_COMMAND_ACT_AS_SLAVE                0x02000000
 111 #define LDT_COMMAND_INBOUND_EOC_ERROR           0x04000000
 112
 113
 114 /*
 115  * Link Register; contains control and config fields.
 116  */
 117 #define LDT_LINK_OFF(n)                 (0x04 + ((n)<<2))
 118
 119 #define LDT_LINKCTRL_MASK                       0x0000ffff
 120 #define LDT_LINKCTRL_SHIFT                      0
 121 #define LDT_LINKCTRL(cr) \
 122         (((cr) & LDT_LINKCTRL_MASK) >> LDT_LINKCTRL_SHIFT)
 123 #define LDT_LINKCTRL_CFLE                       0x00000002
 124 #define LDT_LINKCTRL_CST                        0x00000004
 125 #define LDT_LINKCTRL_CFE                        0x00000008
 126 #define LDT_LINKCTRL_LINKFAIL                   0x00000010
 127 #define LDT_LINKCTRL_INITDONE                   0x00000020
 128 #define LDT_LINKCTRL_EOC                        0x00000040
 129 #define LDT_LINKCTRL_TXOFF                      0x00000080
 130 #define LDT_LINKCTRL_CRCERROR_MASK              0x00000f00
 131 #define LDT_LINKCTRL_CRCERROR_SHIFT             8
 132 #define LDT_LINKCTRL_ISOCEN                     0x00001000
 133 #define LDT_LINKCTRL_LSEN                       0x00002000
 134 /* Following for 1.0x only */
 135 #define LDT_LINKCTRL_EXTCTL                     0x00004000
 136
 137 #define LDT_LINKCFG_MASK                        0xffff0000
 138 #define LDT_LINKCFG_SHIFT                       16
 139 #define LDT_LINKCFG(cr) \
 140         (((cr) & LDT_LINKCFG_MASK) >> LDT_LINKCFG_SHIFT)
 141 #define LDT_LINKCFG_MAX_WIDTH_IN(cr) \
 142         (((cr) >> (16+0)) & 0xf)
 143 #define LDT_LINKCFG_MAX_WIDTH_OUT(cr) \
 144         (((cr) >> (16+4)) & 0xf)
 145 #define LDT_LINKCFG_WIDTH_IN(cr) \
 146         (((cr) >> (16+8)) & 0xf)
 147 #define LDT_LINKCFG_WIDTH_OUT(cr) \
 148         (((cr) >> (16+12)) & 0xf)
 149
 150
 151 /*
 152  * Link Frequency Register; contains version and frequency fields.
 153  */
 154 #define LDT_LINKFREQ_CAP(cr) \
 155         (((cr) >> 16) & 0xffff)
 156
 157 #define LDT_LINKFREQ_MASK                       0x00000f00
 158 #define LDT_LINKFREQ_SHIFT                      8
 159 #define LDT_LINKFREQ(cr) \
 160         (((cr) >> 8) & 0x0f)
 161
 162 #define LDT_REVISION_ID(cr) \
 163         (((cr) >> 0) & 0xff)
 164
 165 #define LDT_REV_017                     0x11
 166 #define LDT_REV_102                     0x22
 167
 168 /* Slave/Primary offsets */
 169 #define LDT_FREQ0_OFF                   0x0c
 170 #define LDT_FREQ1_OFF                   0x10
 171 #define LDT_FREQn_OFF(n)                (0x0c + ((n)<<2))
 172
 173 /* Host/Secondary offsets */
 174 #define LDT_FREQ_OFF                    0x08
 175
 176 #define LDT_FREQ_200                    0x00
 177 #define LDT_FREQ_300                    0x01
 178 #define LDT_FREQ_400                    0x02
 179 #define LDT_FREQ_500                    0x03
 180 #define LDT_FREQ_600                    0x04
 181 #define LDT_FREQ_800                    0x05
 182 #define LDT_FREQ_1000                   0x06
 183
 184 #endif /* _LDTREG_H_ */