1/* SPDX-License-Identifier: GPL-2.0 */
2/*
3 * Analog Devices AXI common registers & definitions
4 *
5 * Copyright 2019 Analog Devices Inc.
6 *
7 * https://wiki.analog.com/resources/fpga/docs/axi_ip
8 * https://wiki.analog.com/resources/fpga/docs/hdl/regmap
9 */
10
11#include <linux/types.h>
12
13#ifndef ADI_AXI_COMMON_H_
14#define ADI_AXI_COMMON_H_
15
16#define ADI_AXI_REG_VERSION 0x0000
17#define ADI_AXI_REG_FPGA_INFO 0x001C
18
19#define ADI_AXI_PCORE_VER(major, minor, patch) \
20 (((major) << 16) | ((minor) << 8) | (patch))
21
22#define ADI_AXI_PCORE_VER_MAJOR(version) (((version) >> 16) & 0xff)
23#define ADI_AXI_PCORE_VER_MINOR(version) (((version) >> 8) & 0xff)
24#define ADI_AXI_PCORE_VER_PATCH(version) ((version) & 0xff)
25
26/**
27 * adi_axi_pcore_ver_gteq() - check if a version is satisfied
28 * @version: the full version read from the hardware
29 * @major: the major version to compare against
30 * @minor: the minor version to compare against
31 *
32 * ADI AXI IP Cores use semantic versioning, so this can be used to check for
33 * feature availability.
34 *
35 * Return: true if the version is greater than or equal to the specified
36 * major and minor version, false otherwise.
37 */
38static inline bool adi_axi_pcore_ver_gteq(u32 version, u32 major, u32 minor)
39{
40 return ADI_AXI_PCORE_VER_MAJOR(version) > (major) ||
41 (ADI_AXI_PCORE_VER_MAJOR(version) == (major) &&
42 ADI_AXI_PCORE_VER_MINOR(version) >= (minor));
43}
44
45#define ADI_AXI_INFO_FPGA_TECH(info) (((info) >> 24) & 0xff)
46#define ADI_AXI_INFO_FPGA_FAMILY(info) (((info) >> 16) & 0xff)
47#define ADI_AXI_INFO_FPGA_SPEED_GRADE(info) (((info) >> 8) & 0xff)
48
49enum adi_axi_fpga_technology {
50 ADI_AXI_FPGA_TECH_UNKNOWN = 0,
51 ADI_AXI_FPGA_TECH_SERIES7,
52 ADI_AXI_FPGA_TECH_ULTRASCALE,
53 ADI_AXI_FPGA_TECH_ULTRASCALE_PLUS,
54};
55
56enum adi_axi_fpga_family {
57 ADI_AXI_FPGA_FAMILY_UNKNOWN = 0,
58 ADI_AXI_FPGA_FAMILY_ARTIX,
59 ADI_AXI_FPGA_FAMILY_KINTEX,
60 ADI_AXI_FPGA_FAMILY_VIRTEX,
61 ADI_AXI_FPGA_FAMILY_ZYNQ,
62};
63
64enum adi_axi_fpga_speed_grade {
65 ADI_AXI_FPGA_SPEED_UNKNOWN = 0,
66 ADI_AXI_FPGA_SPEED_1 = 10,
67 ADI_AXI_FPGA_SPEED_1L = 11,
68 ADI_AXI_FPGA_SPEED_1H = 12,
69 ADI_AXI_FPGA_SPEED_1HV = 13,
70 ADI_AXI_FPGA_SPEED_1LV = 14,
71 ADI_AXI_FPGA_SPEED_2 = 20,
72 ADI_AXI_FPGA_SPEED_2L = 21,
73 ADI_AXI_FPGA_SPEED_2LV = 22,
74 ADI_AXI_FPGA_SPEED_3 = 30,
75};
76
77#endif /* ADI_AXI_COMMON_H_ */
78

source code of linux/include/linux/adi-axi-common.h