source: XOpenSparcT1/trunk/T1-common/include/iop.h @ 6

/*
* ========== Copyright Header Begin ==========================================
* 
* OpenSPARC T1 Processor File: iop.h
* Copyright (c) 2006 Sun Microsystems, Inc.  All Rights Reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES.
* 
* The above named program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public
* License version 2 as published by the Free Software Foundation.
* 
* The above named program is distributed in the hope that it will be 
* useful, but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
* General Public License for more details.
* 
* You should have received a copy of the GNU General Public
* License along with this work; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA.
* 
* ========== Copyright Header End ============================================
*/
//-*- verilog -*-
////////////////////////////////////////////////////////////////////////
/*
//
//  Description:        Global header file that contain definitions that 
//                      are common/shared at the IOP chip level
*/
////////////////////////////////////////////////////////////////////////


// Address Map Defines
// ===================
`define ADDR_MAP_HI      39
`define ADDR_MAP_LO      32
`define IO_ADDR_BIT      39

// CMP space
`define DRAM_DATA_LO     8'h00
`define DRAM_DATA_HI     8'h7f

// IOP space
`define JBUS1            8'h80
`define RESERVED_5       8'h81 //`define HASH_TBL_NRAM_CSR 8'h81
`define RESERVED_1       8'h82
`define RESERVED_6_LO    8'h83 //`define ENET_MAC_CSR     8'h83
                               //`define ENET_ING_CSR     8'h84
                               //`define ENET_EGR_CMD_CSR 8'h85
`define RESERVED_6_HI    8'h86 //`define ENET_EGR_DP_CSR  8'h86
`define RESERVED_2_LO    8'h87
`define RESERVED_2_HI    8'h92
`define RESERVED_7       8'h93 //`define BSC_CSR          8'h93
`define RESERVED_3       8'h94
`define RESERVED_8       8'h95 //`define RAND_GEN_CSR     8'h95
`define CLOCK_UNIT_CSR   8'h96
`define DRAM_CSR         8'h97
`define IOB_MAN_CSR      8'h98
`define TAP_CSR          8'h99
`define RESERVED_4_L0    8'h9a
`define RESERVED_4_HI    8'h9d
`define CPU_ASI          8'h9e
`define IOB_INT_CSR      8'h9f

// L2 space
`define L2C_CSR_LO       8'ha0
`define L2C_CSR_HI       8'hbf

// More IOP space
`define JBUS2_LO         8'hc0
`define JBUS2_HI         8'hfe
`define SPI_CSR          8'hff


//Cache Crossbar Width and Field Defines
//======================================
`define PCX_WIDTH       124  //PCX payload packet width
`define CPX_WIDTH       145  //CPX payload packet width

`define PCX_VLD         123  //PCX packet valid 
`define PCX_RQ_HI       122  //PCX request type field 
`define PCX_RQ_LO       118
`define PCX_NC          117  //PCX non-cacheable bit
`define PCX_R           117  //PCX read/!write bit 
`define PCX_CP_HI       116  //PCX cpu_id field
`define PCX_CP_LO       114
`define PCX_TH_HI       113  //PCX Thread field
`define PCX_TH_LO       112
`define PCX_BF_HI       111  //PCX buffer id field
`define PCX_INVALL      111
`define PCX_BF_LO       109
`define PCX_WY_HI       108  //PCX replaced L1 way field
`define PCX_WY_LO       107
`define PCX_P_HI        108  //PCX packet ID, 1st STQ - 10, 2nd - 01
`define PCX_P_LO        107
`define PCX_SZ_HI       106  //PCX load/store size field
`define PCX_SZ_LO       104
`define PCX_ERR_HI      106  //PCX error field
`define PCX_ERR_LO      104
`define PCX_AD_HI       103  //PCX address field
`define PCX_AD_LO        64
`define PCX_DA_HI        63  //PCX Store data
`define PCX_DA_LO         0  

`define PCX_SZ_1B    3'b000  // encoding for 1B access
`define PCX_SZ_2B    3'b001  // encoding for 2B access
`define PCX_SZ_4B    3'b010  // encoding for 4B access
`define PCX_SZ_8B    3'b011  // encoding for 8B access
`define PCX_SZ_16B   3'b111  // encoding for 16B access

`define CPX_VLD         144  //CPX payload packet valid

`define CPX_RQ_HI       143  //CPX Request type
`define CPX_RQ_LO       140
`define CPX_ERR_HI      139  //CPX error field
`define CPX_ERR_LO      137
`define CPX_NC          136  //CPX non-cacheable
`define CPX_R           136  //CPX read/!write bit
`define CPX_TH_HI       135  //CPX thread ID field 
`define CPX_TH_LO       134

//bits 133:128 are shared by different fields
//for different packet types.

`define CPX_IN_HI       133  //CPX Interrupt source 
`define CPX_IN_LO       128  

`define CPX_WYVLD       133  //CPX replaced way valid
`define CPX_WY_HI       132  //CPX replaced I$/D$ way
`define CPX_WY_LO       131
`define CPX_BF_HI       130  //CPX buffer ID field - 3 bits
`define CPX_BF_LO       128

`define CPX_SI_HI       132  //L1 set ID - PA[10:6]- 5 bits
`define CPX_SI_LO       128  //used for invalidates

`define CPX_P_HI        131  //CPX packet ID, 1st STQ - 10, 2nd - 01 
`define CPX_P_LO        130

`define CPX_ASI         130  //CPX forward request to ASI
`define CPX_IF4B        130
`define CPX_IINV        124
`define CPX_DINV        123
`define CPX_INVPA5      122
`define CPX_INVPA4      121
`define CPX_CPUID_HI    120
`define CPX_CPUID_LO    118
`define CPX_INV_PA_HI   116
`define CPX_INV_PA_LO   112
`define CPX_INV_IDX_HI   117
`define CPX_INV_IDX_LO   112

`define CPX_DA_HI       127  //CPX data payload
`define CPX_DA_LO         0

`define LOAD_RQ         5'b00000
`define IMISS_RQ        5'b10000
`define STORE_RQ        5'b00001
`define CAS1_RQ         5'b00010
`define CAS2_RQ         5'b00011
`define SWAP_RQ         5'b00110
`define STRLOAD_RQ      5'b00100
`define STRST_RQ        5'b00101
`define STQ_RQ          5'b00111
`define INT_RQ          5'b01001
`define FWD_RQ          5'b01101
`define FWD_RPY         5'b01110
`define RSVD_RQ         5'b11111

`define LOAD_RET        4'b0000
`define INV_RET         4'b0011
`define ST_ACK          4'b0100
`define AT_ACK          4'b0011
`define INT_RET         4'b0111
`define TEST_RET        4'b0101
`define FP_RET          4'b1000
`define IFILL_RET       4'b0001
`define EVICT_REQ       4'b0011
`define ERR_RET         4'b1100
`define STRLOAD_RET     4'b0010
`define STRST_ACK       4'b0110
`define FWD_RQ_RET      4'b1010
`define FWD_RPY_RET     4'b1011
`define RSVD_RET        4'b1111

//End cache crossbar defines


// Number of COS supported by EECU 
`define EECU_COS_NUM      2


// 
// BSC bus sizes
// =============
//

// General
`define BSC_ADDRESS      40
`define MAX_XFER_LEN     7'b0
`define XFER_LEN_WIDTH   6

// CTags
`define BSC_CTAG_SZ      12
`define EICU_CTAG_PRE    5'b11101
`define EICU_CTAG_REM    7
`define EIPU_CTAG_PRE    3'b011
`define EIPU_CTAG_REM    9
`define EECU_CTAG_PRE    8'b11010000
`define EECU_CTAG_REM    4
`define EEPU_CTAG_PRE    6'b010000
`define EEPU_CTAG_REM    6
`define L2C_CTAG_PRE     2'b00
`define L2C_CTAG_REM     10
`define JBI_CTAG_PRE     2'b10
`define JBI_CTAG_REM     10
// reinstated temporarily
`define PCI_CTAG_PRE     7'b1101100
`define PCI_CTAG_REM     5


// CoS
`define EICU_COS         1'b0
`define EIPU_COS         1'b1
`define EECU_COS         1'b0
`define EEPU_COS         1'b1
`define PCI_COS          1'b0

// L2$ Bank
`define BSC_L2_BNK_HI    8
`define BSC_L2_BNK_LO    6

// L2$ Req
`define BSC_L2_REQ_SZ   62
`define BSC_L2_REQ      `BSC_L2_REQ_SZ  // used by rams in L2 code
`define BSC_L2_BUS      64
`define BSC_L2_CTAG_HI  61
`define BSC_L2_CTAG_LO  50
`define BSC_L2_ADD_HI   49
`define BSC_L2_ADD_LO   10
`define BSC_L2_LEN_HI    9
`define BSC_L2_LEN_LO    3
`define BSC_L2_ALLOC     2
`define BSC_L2_COS       1
`define BSC_L2_READ      0   

// L2$ Ack
`define L2_BSC_ACK_SZ   16
`define L2_BSC_BUS      64
`define L2_BSC_CBA_HI   14    // CBA - Critical Byte Address
`define L2_BSC_CBA_LO   13
`define L2_BSC_READ     12
`define L2_BSC_CTAG_HI  11
`define L2_BSC_CTAG_LO   0

// Enet Egress Command Unit
`define EECU_REQ_BUS    44
`define EECU_REQ_SZ     44
`define EECU_R_QID_HI   43
`define EECU_R_QID_LO   40
`define EECU_R_ADD_HI   39
`define EECU_R_ADD_LO    0

`define EECU_ACK_BUS    64
`define EECU_ACK_SZ      5
`define EECU_A_NACK      4
`define EECU_A_QID_HI    3
`define EECU_A_QID_LO    0


// Enet Egress Packet Unit
`define EEPU_REQ_BUS    55
`define EEPU_REQ_SZ     55
`define EEPU_R_TLEN_HI  54
`define EEPU_R_TLEN_LO  48
`define EEPU_R_SOF      47
`define EEPU_R_EOF      46
`define EEPU_R_PORT_HI  45
`define EEPU_R_PORT_LO  44
`define EEPU_R_QID_HI   43
`define EEPU_R_QID_LO   40
`define EEPU_R_ADD_HI   39
`define EEPU_R_ADD_LO    0

// This is cleaved in between Egress Datapath Ack's
`define EEPU_ACK_BUS     6
`define EEPU_ACK_SZ      6
`define EEPU_A_EOF       5
`define EEPU_A_NACK      4
`define EEPU_A_QID_HI    3
`define EEPU_A_QID_LO    0


// Enet Egress Datapath
`define EEDP_ACK_BUS   128
`define EEDP_ACK_SZ     28
`define EEDP_A_NACK     27
`define EEDP_A_QID_HI   26
`define EEDP_A_QID_LO   21
`define EEDP_A_SOF      20
`define EEDP_A_EOF      19
`define EEDP_A_LEN_HI   18
`define EEDP_A_LEN_LO   12
`define EEDP_A_TAG_HI   11
`define EEDP_A_TAG_LO    0
`define EEDP_A_PORT_HI   5
`define EEDP_A_PORT_LO   4
`define EEDP_A_PORT_WIDTH 2


// In-Order / Ordered Queue: EEPU
// Tag is: TLEN, SOF, EOF, QID = 15
`define EEPU_TAG_ARY     (7+1+1+6)
`define EEPU_ENTRIES     16
`define EEPU_E_IDX        4
`define EEPU_PORTS        4
`define EEPU_P_IDX        2

// Nack + Tag Info + CTag
`define IOQ_TAG_ARY      (1+`EEPU_TAG_ARY+12)
`define EEPU_TAG_LOC     (`EEPU_P_IDX+`EEPU_E_IDX)


// ENET Ingress Queue Management Req
`define EICU_REQ_BUS     64 
`define EICU_REQ_SZ      62
`define EICU_R_CTAG_HI   61
`define EICU_R_CTAG_LO   50
`define EICU_R_ADD_HI    49
`define EICU_R_ADD_LO    10
`define EICU_R_LEN_HI     9
`define EICU_R_LEN_LO     3
`define EICU_R_COS        1
`define EICU_R_READ       0   


// ENET Ingress Queue Management Ack
`define EICU_ACK_BUS     64
`define EICU_ACK_SZ      14
`define EICU_A_NACK      13
`define EICU_A_READ      12
`define EICU_A_CTAG_HI   11
`define EICU_A_CTAG_LO    0


// Enet Ingress Packet Unit
`define EIPU_REQ_BUS    128 
`define EIPU_REQ_SZ      59
`define EIPU_R_CTAG_HI   58
`define EIPU_R_CTAG_LO   50
`define EIPU_R_ADD_HI    49
`define EIPU_R_ADD_LO    10
`define EIPU_R_LEN_HI     9
`define EIPU_R_LEN_LO     3
`define EIPU_R_COS        1
`define EIPU_R_READ       0   


// ENET Ingress Packet Unit Ack
`define EIPU_ACK_BUS      10
`define EIPU_ACK_SZ       10
`define EIPU_A_NACK       9
`define EIPU_A_CTAG_HI    8
`define EIPU_A_CTAG_LO    0


// In-Order / Ordered Queue: PCI
// Tag is: CTAG
`define PCI_TAG_ARY     12
`define PCI_ENTRIES     16
`define PCI_E_IDX        4
`define PCI_PORTS        2

// PCI-X Request
`define PCI_REQ_BUS      64
`define PCI_REQ_SZ       62
`define PCI_R_CTAG_HI    61
`define PCI_R_CTAG_LO    50
`define PCI_R_ADD_HI     49
`define PCI_R_ADD_LO     10
`define PCI_R_LEN_HI      9
`define PCI_R_LEN_LO      3
`define PCI_R_COS         1
`define PCI_R_READ        0

// PCI_X Acknowledge
`define PCI_ACK_BUS      64
`define PCI_ACK_SZ       14
`define PCI_A_NACK       13
`define PCI_A_READ       12 
`define PCI_A_CTAG_HI    11
`define PCI_A_CTAG_LO     0


`define BSC_MAX_REQ_SZ   62


//
// BSC array sizes
//================
//
`define BSC_REQ_ARY_INDEX        6
`define BSC_REQ_ARY_DEPTH       64
`define BSC_REQ_ARY_WIDTH       62
`define BSC_REQ_NXT_WIDTH       12
`define BSC_ACK_ARY_INDEX        6
`define BSC_ACK_ARY_DEPTH       64
`define BSC_ACK_ARY_WIDTH       14
`define BSC_ACK_NXT_WIDTH       12
`define BSC_PAY_ARY_INDEX        6
`define BSC_PAY_ARY_DEPTH       64
`define BSC_PAY_ARY_WIDTH      256

// ECC syndrome bits per memory element
`define BSC_PAY_ECC             10
`define BSC_PAY_MEM_WIDTH       (`BSC_PAY_ECC+`BSC_PAY_ARY_WIDTH)


//
// BSC Port Definitions
// ====================
//
// Bits 7 to 4 of curr_port_id
`define BSC_PORT_NULL       4'h0
`define BSC_PORT_SC         4'h1
`define BSC_PORT_EICU       4'h2
`define BSC_PORT_EIPU       4'h3
`define BSC_PORT_EECU       4'h4
`define BSC_PORT_EEPU       4'h8
`define BSC_PORT_PCI        4'h9

// Number of ports of each type
`define BSC_PORT_SC_CNT     8

// Bits needed to represent above
`define BSC_PORT_SC_IDX     3

// How wide the linked list pointers are
// 60b for no payload (2CoS)
// 80b for payload (2CoS)

//`define BSC_OBJ_PTR   80
//`define BSC_HD1_HI    69
//`define BSC_HD1_LO    60
//`define BSC_TL1_HI    59
//`define BSC_TL1_LO    50
//`define BSC_CT1_HI    49
//`define BSC_CT1_LO    40
//`define BSC_HD0_HI    29
//`define BSC_HD0_LO    20
//`define BSC_TL0_HI    19
//`define BSC_TL0_LO    10
//`define BSC_CT0_HI     9
//`define BSC_CT0_LO     0

`define BSC_OBJP_PTR  48
`define BSC_PYP1_HI   47
`define BSC_PYP1_LO   42
`define BSC_HDP1_HI   41
`define BSC_HDP1_LO   36
`define BSC_TLP1_HI   35
`define BSC_TLP1_LO   30
`define BSC_CTP1_HI   29
`define BSC_CTP1_LO   24
`define BSC_PYP0_HI   23
`define BSC_PYP0_LO   18
`define BSC_HDP0_HI   17
`define BSC_HDP0_LO   12
`define BSC_TLP0_HI   11
`define BSC_TLP0_LO    6
`define BSC_CTP0_HI    5
`define BSC_CTP0_LO    0

`define BSC_PTR_WIDTH     192
`define BSC_PTR_REQ_HI    191
`define BSC_PTR_REQ_LO    144
`define BSC_PTR_REQP_HI   143
`define BSC_PTR_REQP_LO    96
`define BSC_PTR_ACK_HI     95
`define BSC_PTR_ACK_LO     48
`define BSC_PTR_ACKP_HI    47
`define BSC_PTR_ACKP_LO     0

`define BSC_PORT_SC_PTR    96       // R, R+P
`define BSC_PORT_EECU_PTR  48       // A+P
`define BSC_PORT_EICU_PTR  96       // A, A+P
`define BSC_PORT_EIPU_PTR  48       // A

// I2C STATES in DRAMctl
`define I2C_CMD_NOP   4'b0000
`define I2C_CMD_START 4'b0001
`define I2C_CMD_STOP  4'b0010
`define I2C_CMD_WRITE 4'b0100
`define I2C_CMD_READ  4'b1000


//
// IOB defines
// ===========
//
`define IOB_ADDR_WIDTH       40
`define IOB_LOCAL_ADDR_WIDTH 32

`define IOB_CPU_INDEX         3
`define IOB_CPU_WIDTH         8
`define IOB_THR_INDEX         2
`define IOB_THR_WIDTH         4
`define IOB_CPUTHR_INDEX      5
`define IOB_CPUTHR_WIDTH     32

`define IOB_MONDO_DATA_INDEX  5
`define IOB_MONDO_DATA_DEPTH 32
`define IOB_MONDO_DATA_WIDTH 64
`define IOB_MONDO_SRC_WIDTH   5
`define IOB_MONDO_BUSY        5

`define IOB_INT_TAB_INDEX     2
`define IOB_INT_TAB_DEPTH     4 

//`define IOB_INT_STAT_WIDTH   32
//`define IOB_INT_STAT_HI      31
//`define IOB_INT_STAT_LO       0

`define IOB_INT_VEC_WIDTH     6
`define IOB_INT_VEC_HI        5
`define IOB_INT_VEC_LO        0

`define IOB_INT_CPU_WIDTH     5
`define IOB_INT_CPU_HI       12 
`define IOB_INT_CPU_LO        8

`define IOB_INT_MASK          2
`define IOB_INT_CLEAR         1
`define IOB_INT_PEND          0

`define IOB_DISP_TYPE_HI     17
`define IOB_DISP_TYPE_LO     16
`define IOB_DISP_THR_HI      12
`define IOB_DISP_THR_LO       8
`define IOB_DISP_VEC_HI       5
`define IOB_DISP_VEC_LO       0

`define IOB_JBI_RESET         1
`define IOB_ENET_RESET        0

`define IOB_RESET_STAT_WIDTH  3
`define IOB_RESET_STAT_HI     3
`define IOB_RESET_STAT_LO     1

`define IOB_SERNUM_WIDTH     64

`define IOB_FUSE_WIDTH       22

`define IOB_TMSTAT_THERM     63

`define IOB_POR_TT            6'b01  // power-on-reset trap type

`define IOB_CPU_BUF_INDEX     4

`define IOB_INT_BUF_INDEX     4  
`define IOB_INT_BUF_WIDTH   153  // interrupt table read result buffer width

`define IOB_IO_BUF_INDEX      4
`define IOB_IO_BUF_WIDTH    153  // io-2-cpu return buffer width

`define IOB_L2_VIS_BUF_INDEX  5
`define IOB_L2_VIS_BUF_WIDTH 48  // l2 visibility buffer width

`define IOB_INT_AVEC_WIDTH    9  // availibility vector width
`define IOB_ACK_AVEC_WIDTH    9  // availibility vector width 

// fixme - double check address mapping
// CREG in `IOB_INT_CSR space
`define IOB_DEV_ADDR_MASK    32'hffffffe7
`define IOB_CREG_INTSTAT     32'h00000000
`define IOB_CREG_MDATA0      32'h00000400
`define IOB_CREG_MDATA1      32'h00000500
`define IOB_CREG_MBUSY       32'h00000900
`define IOB_THR_ADDR_MASK    32'hffffff07
`define IOB_CREG_MDATA0_ALIAS 32'h00000600
`define IOB_CREG_MDATA1_ALIAS 32'h00000700
`define IOB_CREG_MBUSY_ALIAS  32'h00000b00

// CREG in `IOB_MAN_CSR space
`define IOB_CREG_INTMAN      32'h00000000
`define IOB_CREG_INTCTL      32'h00000400
`define IOB_CREG_INTVECDISP  32'h00000800
`define IOB_CREG_RESETSTAT   32'h00000810
`define IOB_CREG_SERNUM      32'h00000820
`define IOB_CREG_TMSTATCTRL  32'h00000828
`define IOB_CREG_COREAVAIL   32'h00000830
`define IOB_CREG_SSYSRESET   32'h00000838
`define IOB_CREG_FUSESTAT    32'h00000840
`define IOB_CREG_MARGIN      32'h00000850
`define IOB_CREG_JINTV       32'h00000a00

`define IOB_CREG_DBG_L2VIS_CTRL    32'h00001800 
`define IOB_CREG_DBG_L2VIS_MASKA   32'h00001820 
`define IOB_CREG_DBG_L2VIS_MASKB   32'h00001828 
`define IOB_CREG_DBG_L2VIS_CMPA    32'h00001830
`define IOB_CREG_DBG_L2VIS_CMPB    32'h00001838
`define IOB_CREG_DBG_L2VIS_TRIG    32'h00001840
`define IOB_CREG_DBG_IOBVIS_CTRL   32'h00001000
`define IOB_CREG_DBG_ENET_CTRL     32'h00002000
`define IOB_CREG_DBG_ENET_IDLEVAL  32'h00002008
`define IOB_CREG_DBG_JBUS_CTRL     32'h00002100
`define IOB_CREG_DBG_JBUS_LO_MASK0 32'h00002140
`define IOB_CREG_DBG_JBUS_LO_MASK1 32'h00002160
`define IOB_CREG_DBG_JBUS_LO_CMP0  32'h00002148
`define IOB_CREG_DBG_JBUS_LO_CMP1  32'h00002168
`define IOB_CREG_DBG_JBUS_LO_CNT0  32'h00002150
`define IOB_CREG_DBG_JBUS_LO_CNT1  32'h00002170
`define IOB_CREG_DBG_JBUS_HI_MASK0 32'h00002180
`define IOB_CREG_DBG_JBUS_HI_MASK1 32'h000021a0
`define IOB_CREG_DBG_JBUS_HI_CMP0  32'h00002188
`define IOB_CREG_DBG_JBUS_HI_CMP1  32'h000021a8
`define IOB_CREG_DBG_JBUS_HI_CNT0  32'h00002190
`define IOB_CREG_DBG_JBUS_HI_CNT1  32'h000021b0

`define IOB_CREG_TESTSTUB    32'h80000000

// Address map for TAP access of SPARC ASI
`define IOB_ASI_PC            4'b0000
`define IOB_ASI_BIST          4'b0001
`define IOB_ASI_MARGIN        4'b0010
`define IOB_ASI_DEFEATURE     4'b0011
`define IOB_ASI_L1DD          4'b0100
`define IOB_ASI_L1ID          4'b0101
`define IOB_ASI_L1DT          4'b0110

`define IOB_INT               2'b00
`define IOB_RESET             2'b01
`define IOB_IDLE              2'b10
`define IOB_RESUME            2'b11

//
// CIOP UCB Bus Width
// ==================
//
//`define IOB_EECU_WIDTH       16  // ethernet egress command
//`define EECU_IOB_WIDTH       16

//`define IOB_NRAM_WIDTH       16  // NRAM (RLDRAM previously)
//`define NRAM_IOB_WIDTH        4

`define IOB_JBI_WIDTH        64  // JBI
`define JBI_IOB_WIDTH        16 

//`define IOB_ENET_ING_WIDTH   32  // ethernet ingress
//`define ENET_ING_IOB_WIDTH    8

//`define IOB_ENET_EGR_WIDTH    4  // ethernet egress
//`define ENET_EGR_IOB_WIDTH    4

//`define IOB_ENET_MAC_WIDTH    4  // ethernet MAC
//`define ENET_MAC_IOB_WIDTH    4

`define IOB_DRAM_WIDTH        4  // DRAM controller
`define DRAM_IOB_WIDTH        4

//`define IOB_BSC_WIDTH         4  // BSC
//`define BSC_IOB_WIDTH         4

`define IOB_SPI_WIDTH         4  // SPI (Boot ROM)
`define SPI_IOB_WIDTH         4

`define IOB_CLK_WIDTH         4  // clk unit
`define CLK_IOB_WIDTH         4

//`define IOB_CLSP_WIDTH        4  // clk spine unit
//`define CLSP_IOB_WIDTH        4

`define IOB_TAP_WIDTH         8  // TAP
`define TAP_IOB_WIDTH         8


//
// CIOP UCB Buf ID Type
// ====================
//
`define UCB_BID_CMP          2'b00
`define UCB_BID_TAP          2'b01

//
// Interrupt Device ID
// ===================
//
// Caution: DUMMY_DEV_ID has to be 9 bit wide
//          for fields to line up properly in the IOB.
`define DUMMY_DEV_ID         9'h00   // 0
`define UNCOR_ECC_DEV_ID     7'd1    // 1

//
// Soft Error related definitions 
// ==============================
//
`define COR_ECC_CNT_WIDTH   16


//
// CMP clock
// =========
//

`define CMP_CLK_PERIOD   1333


//
// NRAM/IO Interface
// =================
//

`define DRAM_CLK_PERIOD  6000

`define NRAM_IO_DQ_WIDTH   32
`define IO_NRAM_DQ_WIDTH   32

`define NRAM_IO_ADDR_WIDTH 15
`define NRAM_IO_BA_WIDTH    2


//
// NRAM/ENET Interface
// ===================
//

`define NRAM_ENET_DATA_WIDTH 64
`define ENET_NRAM_ADDR_WIDTH 20

`define NRAM_DBG_DATA_WIDTH  40


//
// IO/FCRAM Interface
// ==================
//

`define FCRAM_DATA1_HI       63
`define FCRAM_DATA1_LO       32
`define FCRAM_DATA0_HI       31
`define FCRAM_DATA0_LO        0

//
// PCI Interface
// ==================
// Load/store size encodings
// -------------------------
// Size encoding
// 000 - byte
// 001 - half-word
// 010 - word
// 011 - double-word
// 100 - quad
`define LDST_SZ_BYTE        3'b000
`define LDST_SZ_HALF_WORD   3'b001
`define LDST_SZ_WORD        3'b010
`define LDST_SZ_DOUBLE_WORD 3'b011
`define LDST_SZ_QUAD        3'b100

//
// JBI<->SCTAG Interface
// =======================
// Outbound Header Format
`define JBI_BTU_OUT_ADDR_LO      0
`define JBI_BTU_OUT_ADDR_HI     42
`define JBI_BTU_OUT_RSV0_LO     43
`define JBI_BTU_OUT_RSV0_HI     43
`define JBI_BTU_OUT_TYPE_LO     44
`define JBI_BTU_OUT_TYPE_HI     48
`define JBI_BTU_OUT_RSV1_LO     49
`define JBI_BTU_OUT_RSV1_HI     51
`define JBI_BTU_OUT_REPLACE_LO  52
`define JBI_BTU_OUT_REPLACE_HI  56
`define JBI_BTU_OUT_RSV2_LO     57
`define JBI_BTU_OUT_RSV2_HI     59
`define JBI_BTU_OUT_BTU_ID_LO   60
`define JBI_BTU_OUT_BTU_ID_HI   71
`define JBI_BTU_OUT_DATA_RTN    72
`define JBI_BTU_OUT_RSV3_LO     73
`define JBI_BTU_OUT_RSV3_HI     75
`define JBI_BTU_OUT_CE          76
`define JBI_BTU_OUT_RSV4_LO     77
`define JBI_BTU_OUT_RSV4_HI     79
`define JBI_BTU_OUT_UE          80
`define JBI_BTU_OUT_RSV5_LO     81
`define JBI_BTU_OUT_RSV5_HI     83
`define JBI_BTU_OUT_DRAM        84
`define JBI_BTU_OUT_RSV6_LO     85
`define JBI_BTU_OUT_RSV6_HI    127

// Inbound Header Format
`define JBI_SCTAG_IN_ADDR_LO   0
`define JBI_SCTAG_IN_ADDR_HI  39
`define JBI_SCTAG_IN_SZ_LO    40
`define JBI_SCTAG_IN_SZ_HI    42
`define JBI_SCTAG_IN_RSV0     43
`define JBI_SCTAG_IN_TAG_LO   44
`define JBI_SCTAG_IN_TAG_HI   55
`define JBI_SCTAG_IN_REQ_LO   56
`define JBI_SCTAG_IN_REQ_HI   58
`define JBI_SCTAG_IN_POISON   59
`define JBI_SCTAG_IN_RSV1_LO  60
`define JBI_SCTAG_IN_RSV1_HI  63

`define JBI_SCTAG_REQ_WRI   3'b100
`define JBI_SCTAG_REQ_WR8   3'b010
`define JBI_SCTAG_REQ_RDD   3'b001
`define JBI_SCTAG_REQ_WRI_BIT 2
`define JBI_SCTAG_REQ_WR8_BIT 1
`define JBI_SCTAG_REQ_RDD_BIT 0

//
// JBI->IOB Mondo Header Format
// ============================
//
`define JBI_IOB_MONDO_RSV1_HI       15 // reserved 1
`define JBI_IOB_MONDO_RSV1_LO       13
`define JBI_IOB_MONDO_TRG_HI        12 // interrupt target
`define JBI_IOB_MONDO_TRG_LO         8 
`define JBI_IOB_MONDO_RSV0_HI        7 // reserved 0
`define JBI_IOB_MONDO_RSV0_LO        5
`define JBI_IOB_MONDO_SRC_HI         4 // interrupt source
`define JBI_IOB_MONDO_SRC_LO         0

`define JBI_IOB_MONDO_RSV1_WIDTH     3 
`define JBI_IOB_MONDO_TRG_WIDTH      5
`define JBI_IOB_MONDO_RSV0_WIDTH     3 
`define JBI_IOB_MONDO_SRC_WIDTH      5

// JBI->IOB Mondo Bus Width/Cycle
// ==============================
// Cycle  1 Header[15:8]
// Cycle  2 Header[ 7:0]
// Cycle  3 J_AD[127:120]
// Cycle  4 J_AD[119:112]
// .....
// Cycle 18 J_AD[  7:  0]
`define JBI_IOB_MONDO_BUS_WIDTH      8
`define JBI_IOB_MONDO_BUS_CYCLE     18 // 2 header + 16 data