Package: spi_host_cmd_pkg

Description

Copyright lowRISC contributors.
Licensed under the Apache License, Version 2.0, see LICENSE for details.
SPDX-License-Identifier: Apache-2.0

Command & Configuration Options structure for SPI HOST.

Constants

Name Type Value Description
CSW int prim_util_pkg::vbits(spi_host_reg_pkg::NumCS
CmdSize int CSW + 45

Types

Name Type Description
reg_direction_t enum logic [1:0] {
Dummy = 2'b00,
RdOnly = 2'b01,
WrOnly = 2'b10,
Bidir = 2'b11 }		 For decoding the direction register
speed_t enum logic [1:0] {
Standard = 2'b00,
Dual = 2'b01,
Quad = 2'b10,
RsvdSpd = 2'b11 }		 For decoding the direction register
configopts_t struct packed {
logic [15:0] clkdiv;
logic [3:0] csnidle;
logic [3:0] csnlead;
logic [3:0] csntrail;
logic full_cyc;
logic cpha;
logic cpol;
}
segment_t struct packed {
logic [1:0] speed;
logic cmd_wr_en;
logic cmd_rd_en;
logic [8:0] len;
logic csaat;
}
command_t struct packed {
logic [CSW-1:0] csid;
segment_t segment;
configopts_t configopts;
}