rcp.vh
8.11 KB
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`include "cbus.vh"
`include "addr.vh"
parameter LOW = 1'b0;
parameter HIGH = 1'b1;
// bus widths
// parameter CBUS_SELECT_SIZE = 2;
// parameter CBUS_COMMAND_SIZE = 3;
// parameter CBUS_DATA_SIZE = 32;
parameter DBUS_DATA_SIZE = 64;
parameter EBUS_DATA_SIZE = 8;
parameter XBUS_DATA_SIZE = 64;
parameter CP0_DATA_SIZE = 32;
parameter IOBUF_ADDRESS_SIZE = 4;
parameter IOBUF_DATA_SIZE = 64;
parameter DRAM_ADDRESS_SIZE = 24;
parameter PBUS_ADDRESS_SIZE = 32;
parameter DMA_OFFSET_SIZE = 3;
parameter DMA_MASK_SIZE = 8;
parameter DMA_ADDRESS_SIZE = 32;
parameter DMA_LENGTH_SIZE = 7;
parameter DMA_READ_SIZE = 1;
parameter DMA_DELAY_SIZE = 8;
parameter DMA_DEVICE_SIZE = 4;
parameter IO_OFFSET_SIZE = 2;
parameter BUS_ID_OFFSET = 20;
parameter BUS_ID_SIZE = 12;
parameter RSP_VERSION = 8'd2;
parameter RDP_VERSION = 8'd2;
parameter RI_VERSION = 8'd8;
parameter IO_VERSION = 8'd8;
parameter RCP_VERSION = {RSP_VERSION,
RDP_VERSION,
RI_VERSION,
IO_VERSION};
// cbus select
// parameter
// CBUS_ADDRESS_SELECT = 2'd0,
// CBUS_LENGTH_SELECT = 2'd1,
// CBUS_DATA_SELECT = 2'd2;
// cbus command
// parameter
// CBUS_DMA_COMMAND = 3'd1,
// CBUS_WRITE_COMMAND = 3'd2,
// CBUS_READ_COMMAND = 3'd3,
// CBUS_RESPONSE_COMMAND = 3'd4,
// CBUS_REFRESH_COMMAND = 3'd5; //XXX remove
// DMA transaction types
parameter
DMA_BLOCK = 1'b0,
DMA_SUBBLOCK = 1'b1,
DMA_NON_MASKED = 1'b0,
DMA_MASKED = 1'b1,
DMA_UP = 1'b0,
DMA_DOWN = 1'b1,
DMA_SEQ = 1'b0,
DMA_NSEQ = 1'b1,
DMA_WRITE = 1'b0,
DMA_READ = 1'b1;
// DBUS - CBUS address definitions
parameter
DBUS_ADDRESS_START = 32'h0000_0000,
DBUS_ADDRESS_END = 32'h03ff_ffff, //XXX dram space
CBUS_ADDRESS_START = 32'h0400_0000, //XXX
CBUS_ADDRESS_END = 32'hffff_ffff; //XXX
// configuration registers address space
//XXX add io modules;
parameter
// BUS_ID_DRAM = 'h000,
// BUS_ID_RDRAM_CONFIG = 'h03f, //XXX remove
BUS_ID_CBUS_START = 'h040,
// BUS_ID_SP = 'h040,
// BUS_ID_CMD = 'h041,
// BUS_ID_SPAN = 'h042,
// BUS_ID_MI = 'h043,
// BUS_ID_VI = 'h044,
// BUS_ID_AI = 'h045,
// BUS_ID_PI = 'h046,
// BUS_ID_RI = 'h047,
// BUS_ID_SI = 'h048,
// BUS_ID_PBUS = 'h050,
// BUS_ID_SIRAM = 'h1fc,
BUS_ID_EXT_START = 'h800; //XXX become all of dram
parameter
BUS_ADDRESS_DRAM = 32'h0000_0000,
BUS_ADDRESS_RDRAM_CONFIG = 32'h03f0_0000, //XXX remove
BUS_ADDRESS_SP = 32'h0400_0000,
BUS_ADDRESS_CMD = 32'h0410_0000,
BUS_ADDRESS_SPAN = 32'h0420_0000,
BUS_ADDRESS_MI = 32'h0430_0000,
BUS_ADDRESS_VI = 32'h0440_0000,
BUS_ADDRESS_AI = 32'h0450_0000,
BUS_ADDRESS_PI = 32'h0460_0000,
BUS_ADDRESS_RI = 32'h0470_0000,
BUS_ADDRESS_SI = 32'h0480_0000,
BUS_ADDRESS_PBUS = 32'h0500_0000,
BUS_ADDRESS_PIF = 32'h1fc0_0000, //XXX remove
BUS_ADDRESS_EXT = 32'h8000_0000; //XXX become all of dram
parameter
BUS_ADDRESS_SP_DMEM = BUS_ADDRESS_SP + 20'h0_0000,
BUS_ADDRESS_SP_IMEM = BUS_ADDRESS_SP + 20'h0_1000,
BUS_ADDRESS_SP_MASTER = BUS_ADDRESS_SP + 20'h4_0000,
BUS_ADDRESS_SP_SLAVE = BUS_ADDRESS_SP + 20'h4_0004,
BUS_ADDRESS_SP_READ = BUS_ADDRESS_SP + 20'h4_0008,
BUS_ADDRESS_SP_WRITE = BUS_ADDRESS_SP + 20'h4_000c,
BUS_ADDRESS_SP_STATUS = BUS_ADDRESS_SP + 20'h4_0010,
BUS_ADDRESS_SP_FULL = BUS_ADDRESS_SP + 20'h4_0014,
BUS_ADDRESS_SP_BUSY = BUS_ADDRESS_SP + 20'h4_0018,
BUS_ADDRESS_SP_SEMAPHORE = BUS_ADDRESS_SP + 20'h4_001c,
BUS_ADDRESS_SP_PC = BUS_ADDRESS_SP + 20'h8_0000,
BUS_ADDRESS_SP_BIST = BUS_ADDRESS_SP + 20'h8_0004;
parameter
BUS_ADDRESS_CMD_START = BUS_ADDRESS_CMD + 20'h0_0000,
BUS_ADDRESS_CMD_END = BUS_ADDRESS_CMD + 20'h0_0004,
BUS_ADDRESS_CMD_CURRENT = BUS_ADDRESS_CMD + 20'h0_0008,
BUS_ADDRESS_CMD_STATUS = BUS_ADDRESS_CMD + 20'h0_000c,
BUS_ADDRESS_CMD_CLOCK = BUS_ADDRESS_CMD + 20'h0_0010,
BUS_ADDRESS_CMD_FIFO_BUSY = BUS_ADDRESS_CMD + 20'h0_0014,
BUS_ADDRESS_CMD_PIPE_BUSY = BUS_ADDRESS_CMD + 20'h0_0018,
BUS_ADDRESS_CMD_TMEM_BUSY = BUS_ADDRESS_CMD + 20'h0_001c;
parameter
BUS_ADDRESS_SPAN_BIST = BUS_ADDRESS_SPAN + 20'h0_0000,
BUS_ADDRESS_SPAN_MODE = BUS_ADDRESS_SPAN + 20'h0_0004,
BUS_ADDRESS_SPAN_ADDR = BUS_ADDRESS_SPAN + 20'h0_0008,
BUS_ADDRESS_SPAN_DATA = BUS_ADDRESS_SPAN + 20'h0_000c;
parameter
BUS_ADDRESS_MI_INIT_MODE = BUS_ADDRESS_MI + 20'h0_0000,
BUS_ADDRESS_MI_VERSION = BUS_ADDRESS_MI + 20'h0_0004,
BUS_ADDRESS_MI_INTERRUPT = BUS_ADDRESS_MI + 20'h0_0008,
BUS_ADDRESS_MI_MASK = BUS_ADDRESS_MI + 20'h0_000c;
parameter
BUS_ADDRESS_PI_DRAM_ADDRESS = BUS_ADDRESS_PI + 20'h0_0000,
BUS_ADDRESS_PI_PBUS_ADDRESS = BUS_ADDRESS_PI + 20'h0_0004,
BUS_ADDRESS_PI_READ_LENGTH = BUS_ADDRESS_PI + 20'h0_0008,
BUS_ADDRESS_PI_WRITE_LENGTH = BUS_ADDRESS_PI + 20'h0_000c,
BUS_ADDRESS_PI_STATUS = BUS_ADDRESS_PI + 20'h0_0010,
BUS_ADDRESS_PI_DOM1_LAT = BUS_ADDRESS_PI + 20'h0_0014,
BUS_ADDRESS_PI_DOM1_PWD = BUS_ADDRESS_PI + 20'h0_0018,
BUS_ADDRESS_PI_DOM1_PGS = BUS_ADDRESS_PI + 20'h0_001c,
BUS_ADDRESS_PI_DOM1_RLS = BUS_ADDRESS_PI + 20'h0_0020,
BUS_ADDRESS_PI_DOM2_LAT = BUS_ADDRESS_PI + 20'h0_0024,
BUS_ADDRESS_PI_DOM2_PWD = BUS_ADDRESS_PI + 20'h0_0028,
BUS_ADDRESS_PI_DOM2_PGS = BUS_ADDRESS_PI + 20'h0_002c,
BUS_ADDRESS_PI_DOM2_RLS = BUS_ADDRESS_PI + 20'h0_0030,
BUS_ADDRESS_PI_IO_READ_REG = BUS_ADDRESS_PI + 20'h0_0034,
BUS_ADDRESS_PI_IO_WRITE_REG = BUS_ADDRESS_PI + 20'h0_0038;
parameter
BUS_ADDRESS_RI_MODE = BUS_ADDRESS_RI + 20'h0_0000,
BUS_ADDRESS_RI_CONFIG = BUS_ADDRESS_RI + 20'h0_0004,
BUS_ADDRESS_RI_CURRENT_LOAD = BUS_ADDRESS_RI + 20'h0_0008,
BUS_ADDRESS_RI_SELECT = BUS_ADDRESS_RI + 20'h0_000c,
BUS_ADDRESS_RI_REFRESH = BUS_ADDRESS_RI + 20'h0_0010,
BUS_ADDRESS_RI_LATENCY = BUS_ADDRESS_RI + 20'h0_0014,
BUS_ADDRESS_RI_ERROR = BUS_ADDRESS_RI + 20'h0_0018,
BUS_ADDRESS_RI_VALID = BUS_ADDRESS_RI + 20'h0_001c;
// parameter
// BUS_ADDRESS_SI_DRAM_ADDRESS = BUS_ADDRESS_SI + 20'h0_0000,
// BUS_ADDRESS_SI_PIF_AD_RD64B = BUS_ADDRESS_SI + 20'h0_0004,
// BUS_ADDRESS_SI_PIF_AD_WR4B = BUS_ADDRESS_SI + 20'h0_0008,
// BUS_ADDRESS_SI_PIF_AD_WR64B = BUS_ADDRESS_SI + 20'h0_0010,
// BUS_ADDRESS_SI_PIF_AD_RD4BCPU= BUS_ADDRESS_SI + 20'h0_0014,
// BUS_ADDRESS_SI_STATUS = BUS_ADDRESS_SI + 20'h0_0018;
//
// parameter
// BUS_ADDRESS_SI_PIF_ADDRESS = BUS_ADDRESS_SI + 20'h0_0004,
// BUS_ADDRESS_SI_READ_LENGTH = BUS_ADDRESS_SI + 20'h0_0008,
// BUS_ADDRESS_SI_WRITE_LENGTH = BUS_ADDRESS_SI + 20'h0_000c;
parameter
BUS_ADDRESS_AI_DRAM_ADDRESS = BUS_ADDRESS_AI + 20'h0_0000,
BUS_ADDRESS_AI_LENGTH = BUS_ADDRESS_AI + 20'h0_0004,
BUS_ADDRESS_AI_CONTROL = BUS_ADDRESS_AI + 20'h0_0008,
BUS_ADDRESS_AI_STATUS = BUS_ADDRESS_AI + 20'h0_000c,
BUS_ADDRESS_AI_DACRATE = BUS_ADDRESS_AI + 20'h0_0010,
BUS_ADDRESS_AI_BITRATE = BUS_ADDRESS_AI + 20'h0_0014;
parameter
BUS_ADDRESS_VI_CTRL = BUS_ADDRESS_VI + 20'h0_0000,
BUS_ADDRESS_VI_ORIGIN = BUS_ADDRESS_VI + 20'h0_0004,
BUS_ADDRESS_VI_WIDTH = BUS_ADDRESS_VI + 20'h0_0008,
BUS_ADDRESS_VI_V_INT = BUS_ADDRESS_VI + 20'h0_000c,
BUS_ADDRESS_VI_V_CURRENT = BUS_ADDRESS_VI + 20'h0_0010,
BUS_ADDRESS_VI_BURST = BUS_ADDRESS_VI + 20'h0_0014,
BUS_ADDRESS_VI_V_SYNC = BUS_ADDRESS_VI + 20'h0_0018,
BUS_ADDRESS_VI_H_SYNC = BUS_ADDRESS_VI + 20'h0_001c,
BUS_ADDRESS_VI_LEAP = BUS_ADDRESS_VI + 20'h0_0020,
BUS_ADDRESS_VI_H_START = BUS_ADDRESS_VI + 20'h0_0024,
BUS_ADDRESS_VI_V_START = BUS_ADDRESS_VI + 20'h0_0028,
BUS_ADDRESS_VI_V_BURST = BUS_ADDRESS_VI + 20'h0_002c,
BUS_ADDRESS_VI_X_SCALE = BUS_ADDRESS_VI + 20'h0_0030,
BUS_ADDRESS_VI_Y_SCALE = BUS_ADDRESS_VI + 20'h0_0034,
BUS_ADDRESS_VI_TEST_ADDR = BUS_ADDRESS_VI + 20'h0_0038,
BUS_ADDRESS_VI_TEST_DATA = BUS_ADDRESS_VI + 20'h0_003c;
parameter
BUS_ADDRESS_MASK = 32'hfff0_0000;
// DMA master and slave id codes
// parameter
// BUS_DEVICE_SP = 4'd0,
// BUS_DEVICE_DP_CMD = 4'd1,
// BUS_DEVICE_DP_SPAN = 4'd2,
// BUS_DEVICE_MI = 4'd3,
// BUS_DEVICE_VI = 4'd4,
// BUS_DEVICE_SI = 4'd5,
// BUS_DEVICE_PI = 4'd6,
// BUS_DEVICE_RI = 4'd7,
// BUS_DEVICE_AI = 4'd8,
// BUS_DEVICE_MEM = 4'd9;
// maximum DMA packet size
// parameter MAX_DMA_LENGTH = 7'd15;