91 lines
2.2 KiB
Systemverilog
91 lines
2.2 KiB
Systemverilog
// Copyright lowRISC contributors.
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// Licensed under the Apache License, Version 2.0, see LICENSE for details.
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// SPDX-License-Identifier: Apache-2.0
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//
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// Register Package auto-generated by `reggen` containing data structure
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package gpio_reg_pkg;
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// Address widths within the block
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parameter int BlockAw = 4;
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////////////////////////////
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// Typedefs for registers //
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////////////////////////////
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typedef struct packed {
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logic [15:0] q;
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} gpio_reg2hw_mode_reg_t;
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typedef struct packed {
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struct packed {
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logic [15:0] q;
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} gpio_int;
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struct packed {
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logic [7:0] q;
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} gpio_pending;
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} gpio_reg2hw_intr_reg_t;
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typedef struct packed {
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logic [7:0] q;
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} gpio_reg2hw_data_reg_t;
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typedef struct packed {
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logic [7:0] q;
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} gpio_reg2hw_filter_reg_t;
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typedef struct packed {
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struct packed {
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logic [15:0] d;
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logic de;
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} gpio_int;
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struct packed {
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logic [7:0] d;
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logic de;
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} gpio_pending;
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} gpio_hw2reg_intr_reg_t;
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typedef struct packed {
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logic [7:0] d;
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logic de;
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} gpio_hw2reg_data_reg_t;
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// Register -> HW type
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typedef struct packed {
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gpio_reg2hw_mode_reg_t mode; // [55:40]
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gpio_reg2hw_intr_reg_t intr; // [39:16]
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gpio_reg2hw_data_reg_t data; // [15:8]
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gpio_reg2hw_filter_reg_t filter; // [7:0]
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} gpio_reg2hw_t;
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// HW -> register type
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typedef struct packed {
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gpio_hw2reg_intr_reg_t intr; // [34:9]
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gpio_hw2reg_data_reg_t data; // [8:0]
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} gpio_hw2reg_t;
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// Register offsets
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parameter logic [BlockAw-1:0] GPIO_MODE_OFFSET = 4'h0;
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parameter logic [BlockAw-1:0] GPIO_INTR_OFFSET = 4'h4;
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parameter logic [BlockAw-1:0] GPIO_DATA_OFFSET = 4'h8;
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parameter logic [BlockAw-1:0] GPIO_FILTER_OFFSET = 4'hc;
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// Register index
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typedef enum int {
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GPIO_MODE,
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GPIO_INTR,
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GPIO_DATA,
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GPIO_FILTER
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} gpio_id_e;
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// Register width information to check illegal writes
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parameter logic [3:0] GPIO_PERMIT [4] = '{
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4'b0011, // index[0] GPIO_MODE
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4'b0111, // index[1] GPIO_INTR
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4'b0001, // index[2] GPIO_DATA
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4'b0001 // index[3] GPIO_FILTER
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};
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endpackage
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