axi.v

来自「amba3 sva 完全验证的代码」· Verilog 代码 · 共 71 行

//  --========================================================================--
//  This confidential and proprietary software may be used only as
//  authorised by a licensing agreement from ARM Limited
//    (C) COPYRIGHT 2004 ARM Limited
//        ALL RIGHTS RESERVED
//  The entire notice above must be reproduced on all authorised
//  copies and copies may only be made to the extent permitted
//  by a licensing agreement from ARM Limited.
//  
//  ----------------------------------------------------------------------------
//  Version and Release Control Information:
//  
//  File Name           : Axi.v,v
//  File Revision       : 1.5
//  
//  Release Information : BP148-MN-22001-r0p0-00rel0
//  
//  ----------------------------------------------------------------------------
//  Purpose             : Standard AXI defines
//  --========================================================================--

//------------------------------------------------------------------------------
// AXI Constants
//------------------------------------------------------------------------------

// ALEN Encoding
`define AXI_ALEN_1            4'b0000
`define AXI_ALEN_2            4'b0001
`define AXI_ALEN_3            4'b0010
`define AXI_ALEN_4            4'b0011
`define AXI_ALEN_5            4'b0100
`define AXI_ALEN_6            4'b0101
`define AXI_ALEN_7            4'b0110
`define AXI_ALEN_8            4'b0111
`define AXI_ALEN_9            4'b1000
`define AXI_ALEN_10           4'b1001
`define AXI_ALEN_11           4'b1010
`define AXI_ALEN_12           4'b1011
`define AXI_ALEN_13           4'b1100
`define AXI_ALEN_14           4'b1101
`define AXI_ALEN_15           4'b1110
`define AXI_ALEN_16           4'b1111

// ASIZE Enconding
`define AXI_ASIZE_8           3'b000
`define AXI_ASIZE_16          3'b001
`define AXI_ASIZE_32          3'b010
`define AXI_ASIZE_64          3'b011
`define AXI_ASIZE_128         3'b100
`define AXI_ASIZE_256         3'b101
`define AXI_ASIZE_512         3'b110
`define AXI_ASIZE_1024        3'b111

// ABURST Encoding
`define AXI_ABURST_FIXED      2'b00
`define AXI_ABURST_INCR       2'b01
`define AXI_ABURST_WRAP       2'b10

// ALOCK Encoding
`define AXI_ALOCK_NOLOCK      2'b00
`define AXI_ALOCK_EXCL        2'b01
`define AXI_ALOCK_LOCKED      2'b10

// RRESP / BRESP Encoding
`define AXI_RESP_OKAY         2'b00
`define AXI_RESP_EXOKAY       2'b01
`define AXI_RESP_SLVERR       2'b10
`define AXI_RESP_DECERR       2'b11

// --========================= End ===========================================--