88 lines
2.3 KiB
Systemverilog
88 lines
2.3 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 = 5;
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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 [31:0] q;
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} gpio_reg2hw_io_mode_reg_t;
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typedef struct packed {
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logic [31:0] q;
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} gpio_reg2hw_int_mode_reg_t;
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typedef struct packed {
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logic [15:0] q;
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} gpio_reg2hw_int_pending_reg_t;
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typedef struct packed {
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logic [15:0] q;
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} gpio_reg2hw_data_reg_t;
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typedef struct packed {
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logic [15:0] q;
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} gpio_reg2hw_filter_reg_t;
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typedef struct packed {
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logic [15:0] d;
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logic de;
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} gpio_hw2reg_int_pending_reg_t;
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typedef struct packed {
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logic [15:0] 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_io_mode_reg_t io_mode; // [111:80]
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gpio_reg2hw_int_mode_reg_t int_mode; // [79:48]
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gpio_reg2hw_int_pending_reg_t int_pending; // [47:32]
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gpio_reg2hw_data_reg_t data; // [31:16]
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gpio_reg2hw_filter_reg_t filter; // [15:0]
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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_int_pending_reg_t int_pending; // [33:17]
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gpio_hw2reg_data_reg_t data; // [16:0]
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} gpio_hw2reg_t;
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// Register offsets
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parameter logic [BlockAw-1:0] GPIO_IO_MODE_OFFSET = 5'h0;
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parameter logic [BlockAw-1:0] GPIO_INT_MODE_OFFSET = 5'h4;
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parameter logic [BlockAw-1:0] GPIO_INT_PENDING_OFFSET = 5'h8;
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parameter logic [BlockAw-1:0] GPIO_DATA_OFFSET = 5'hc;
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parameter logic [BlockAw-1:0] GPIO_FILTER_OFFSET = 5'h10;
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// Register index
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typedef enum int {
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GPIO_IO_MODE,
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GPIO_INT_MODE,
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GPIO_INT_PENDING,
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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 [5] = '{
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4'b1111, // index[0] GPIO_IO_MODE
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4'b1111, // index[1] GPIO_INT_MODE
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4'b0011, // index[2] GPIO_INT_PENDING
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4'b0011, // index[3] GPIO_DATA
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4'b0011 // index[4] GPIO_FILTER
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};
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endpackage
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