mirror of
https://github.com/openhwgroup/cvw
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9471dcd296
Adds three new configuration parameters to control enabling the RVVI packetizer and how much latency should exist between packets and the initial startup delay.
234 lines
8.1 KiB
Systemverilog
234 lines
8.1 KiB
Systemverilog
//////////////////////////////////////////
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// config.vh
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//
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// Written: David_Harris@hmc.edu 4 January 2021
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// Modified: Jordan Carlin jcarlin@hmc.edu 14 May 2024
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//
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// Purpose: Specify which features of Wally are enabled and set
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// configuration parameters
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//
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// A component of the Wally configurable RISC-V project.
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//
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// Copyright (C) 2021 Harvey Mudd College & Oklahoma State University
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//
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// SPDX-License-Identifier: Apache-2.0 WITH SHL-2.1
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//
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// Licensed under the Solderpad Hardware License v 2.1 (the “License”); you may not use this file
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// except in compliance with the License, or, at your option, the Apache License version 2.0. You
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// may obtain a copy of the License at
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//
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// https://solderpad.org/licenses/SHL-2.1/
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//
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// Unless required by applicable law or agreed to in writing, any work distributed under the
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// License is distributed on an “AS IS” BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND,
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// either express or implied. See the License for the specific language governing permissions
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// and limitations under the License.
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////////////////////////////////////////////////////////////////////////////////////////////////
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`include "BranchPredictorType.vh"
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// RV32 or RV64: XLEN = 32 or 64
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localparam XLEN = 32'd32;
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// IEEE 754 compliance
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localparam IEEE754 = 0;
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// RISC-V configuration per specification
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// Base instruction set (defaults to I if E is not supported)
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localparam logic E_SUPPORTED = 0;
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// Integer instruction set extensions
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localparam logic ZIFENCEI_SUPPORTED = 1; // Instruction-Fetch fence
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localparam logic ZICSR_SUPPORTED = 1; // CSR Instructions
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localparam logic ZICCLSM_SUPPORTED = 0; // Misaligned loads/stores
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localparam logic ZICOND_SUPPORTED = 1; // Integer conditional operations
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// Multiplication & division extensions
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// M implies (and in the configuration file requires) Zmmul
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localparam logic M_SUPPORTED = 1;
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localparam logic ZMMUL_SUPPORTED = 1;
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// Atomic extensions
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// A extension is Zaamo + Zalrsc
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localparam logic ZAAMO_SUPPORTED = 1;
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localparam logic ZALRSC_SUPPORTED = 1;
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// Bit manipulation extensions
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// B extension is Zba + Zbb + Zbs
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localparam logic ZBA_SUPPORTED = 1;
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localparam logic ZBB_SUPPORTED = 1;
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localparam logic ZBS_SUPPORTED = 1;
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localparam logic ZBC_SUPPORTED = 1;
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// Scalar crypto extensions
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// Zkn is all 6 of these
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localparam logic ZBKB_SUPPORTED = 1;
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localparam logic ZBKC_SUPPORTED = 1;
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localparam logic ZBKX_SUPPORTED = 1;
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localparam logic ZKND_SUPPORTED = 1;
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localparam logic ZKNE_SUPPORTED = 1;
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localparam logic ZKNH_SUPPORTED = 1;
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// Compressed extensions
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// C extension is Zca + Zcf (if RV32 and F supported) + Zcd (if D supported)
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// All compressed extensions require Zca
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localparam logic ZCA_SUPPORTED = 1;
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localparam logic ZCB_SUPPORTED = 1;
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localparam logic ZCF_SUPPORTED = 1; // RV32 only, requires F
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localparam logic ZCD_SUPPORTED = 1; // requires D
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// Floating point extensions
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localparam logic F_SUPPORTED = 1;
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localparam logic D_SUPPORTED = 1;
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localparam logic Q_SUPPORTED = 0;
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localparam logic ZFH_SUPPORTED = 1;
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localparam logic ZFA_SUPPORTED = 1;
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// privilege modes
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localparam logic S_SUPPORTED = 1; // Supervisor mode
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localparam logic U_SUPPORTED = 1; // User mode
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// Supervisor level extensions
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localparam logic SSTC_SUPPORTED = 1; // Supervisor-mode timer interrupts
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// Hardware performance counters
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localparam logic ZICNTR_SUPPORTED = 1;
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localparam logic ZIHPM_SUPPORTED = 1;
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localparam COUNTERS = 12'd32;
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// Cache-management operation extensions
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localparam logic ZICBOM_SUPPORTED = 1;
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localparam logic ZICBOZ_SUPPORTED = 1;
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localparam logic ZICBOP_SUPPORTED = 1;
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// Virtual memory extensions
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localparam logic SVPBMT_SUPPORTED = 0;
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localparam logic SVNAPOT_SUPPORTED = 0;
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localparam logic SVINVAL_SUPPORTED = 1;
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localparam logic SVADU_SUPPORTED = 1;
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// LSU microarchitectural Features
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localparam logic BUS_SUPPORTED = 1;
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localparam logic DCACHE_SUPPORTED = 1;
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localparam logic ICACHE_SUPPORTED = 1;
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localparam logic VIRTMEM_SUPPORTED = 1;
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localparam logic VECTORED_INTERRUPTS_SUPPORTED = 1;
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localparam logic BIGENDIAN_SUPPORTED = 1;
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// TLB configuration. Entries should be a power of 2
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localparam ITLB_ENTRIES = 32'd32;
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localparam DTLB_ENTRIES = 32'd32;
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// Cache configuration. Sizes should be a power of two
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// typical configuration 4 ways, 4096 bytes per way, 256 bit or more lines
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localparam DCACHE_NUMWAYS = 32'd4;
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localparam DCACHE_WAYSIZEINBYTES = 32'd4096;
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localparam DCACHE_LINELENINBITS = 32'd512;
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localparam ICACHE_NUMWAYS = 32'd4;
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localparam ICACHE_WAYSIZEINBYTES = 32'd4096;
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localparam ICACHE_LINELENINBITS = 32'd512;
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localparam CACHE_SRAMLEN = 32'd128;
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// Integer Divider Configuration
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// IDIV_BITSPERCYCLE must be 1, 2, or 4
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localparam IDIV_BITSPERCYCLE = 32'd2;
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localparam logic IDIV_ON_FPU = 0;
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// Legal number of PMP entries are 0, 16, or 64
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localparam PMP_ENTRIES = 32'd16;
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// Address space
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localparam logic [63:0] RESET_VECTOR = 64'h80000000;
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// WFI Timeout Wait
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localparam WFI_TIMEOUT_BIT = 32'd16;
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// Peripheral Physical Addresses
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// Peripheral memory space extends from BASE to BASE+RANGE
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// Range should be a thermometer code with 0's in the upper bits and 1s in the lower bits
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// *** each of these is `PA_BITS wide. is this paramaterizable INSIDE the config file?
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localparam logic DTIM_SUPPORTED = 0;
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localparam logic [63:0] DTIM_BASE = 64'h80000000;
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localparam logic [63:0] DTIM_RANGE = 64'h007FFFFF;
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localparam logic IROM_SUPPORTED = 0;
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localparam logic [63:0] IROM_BASE = 64'h80000000;
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localparam logic [63:0] IROM_RANGE = 64'h007FFFFF;
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localparam logic BOOTROM_SUPPORTED = 1;
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localparam logic [63:0] BOOTROM_BASE = 64'h00001000;
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localparam logic [63:0] BOOTROM_RANGE = 64'h00000FFF;
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localparam BOOTROM_PRELOAD = 1'b0;
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localparam logic UNCORE_RAM_SUPPORTED = 1;
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localparam logic [63:0] UNCORE_RAM_BASE = 64'h80000000;
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localparam logic [63:0] UNCORE_RAM_RANGE = 64'h07FFFFFF;
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localparam UNCORE_RAM_PRELOAD = 1'b0;
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localparam logic EXT_MEM_SUPPORTED = 0;
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localparam logic [63:0] EXT_MEM_BASE = 64'h80000000;
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localparam logic [63:0] EXT_MEM_RANGE = 64'h07FFFFFF;
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localparam logic CLINT_SUPPORTED = 1;
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localparam logic [63:0] CLINT_BASE = 64'h02000000;
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localparam logic [63:0] CLINT_RANGE = 64'h0000FFFF;
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localparam logic GPIO_SUPPORTED = 1;
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localparam logic [63:0] GPIO_BASE = 64'h10060000;
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localparam logic [63:0] GPIO_RANGE = 64'h000000FF;
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localparam logic UART_SUPPORTED = 1;
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localparam logic [63:0] UART_BASE = 64'h10000000;
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localparam logic [63:0] UART_RANGE = 64'h00000007;
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localparam logic PLIC_SUPPORTED = 1;
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localparam logic [63:0] PLIC_BASE = 64'h0C000000;
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localparam logic [63:0] PLIC_RANGE = 64'h03FFFFFF;
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localparam logic SDC_SUPPORTED = 0;
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localparam logic [63:0] SDC_BASE = 64'h00013000;
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localparam logic [63:0] SDC_RANGE = 64'h0000007F;
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localparam logic SPI_SUPPORTED = 1;
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localparam logic [63:0] SPI_BASE = 64'h10040000;
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localparam logic [63:0] SPI_RANGE = 64'h00000FFF;
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// Bus Interface width
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localparam AHBW = (XLEN);
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// Test modes
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// AHB
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localparam RAM_LATENCY = 32'b0;
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localparam logic BURST_EN = 1;
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// Tie GPIO outputs back to inputs
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localparam logic GPIO_LOOPBACK_TEST = 1;
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localparam logic SPI_LOOPBACK_TEST = 1;
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// Hardware configuration
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localparam UART_PRESCALE = 32'd1;
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// Interrupt configuration
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localparam PLIC_NUM_SRC = 32'd10;
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// comment out the following if >=32 sources
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localparam PLIC_NUM_SRC_LT_32 = (PLIC_NUM_SRC < 32);
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localparam PLIC_GPIO_ID = 32'd3;
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localparam PLIC_UART_ID = 32'd10;
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localparam PLIC_SPI_ID = 32'd6;
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localparam PLIC_SDC_ID = 32'd9;
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// Branch prediction
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localparam logic BPRED_SUPPORTED = 1;
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localparam BPRED_TYPE = `BP_GSHARE; // BP_GSHARE_BASIC, BP_GLOBAL, BP_GLOBAL_BASIC, BP_TWOBIT
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localparam BPRED_SIZE = 32'd10;
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localparam BPRED_NUM_LHR = 32'd6;
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localparam BTB_SIZE = 32'd10;
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localparam RAS_SIZE = 32'd16;
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localparam INSTR_CLASS_PRED = 1;
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// FPU division architecture
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localparam RADIX = 32'd4;
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localparam DIVCOPIES = 32'd2;
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// Memory synthesis configuration
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localparam logic USE_SRAM = 0;
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// debug tools
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localparam logic RVVI_SYNTH_SUPPORTED = 0;
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localparam [31:0] RVVI_INIT_TIME_OUT = 32'd4;
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localparam [31:0] RVVI_PACKET_DELAY = 32'd2;
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`include "config-shared.vh"
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