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"Das U-Boot" Source Tree
1/* SPDX-License-Identifier: GPL-2.0+ */
2/*
3 * (C) Copyright 2002
4 * Rich Ireland, Enterasys Networks, rireland@enterasys.com.
5 */
6
7#include <linux/types.h> /* for ulong typedef */
8
9#ifndef _FPGA_H_
10#define _FPGA_H_
11
12/* fpga_xxxx function return value definitions */
13#define FPGA_SUCCESS 0
14#define FPGA_FAIL 1
15
16/* device numbers must be non-negative */
17#define FPGA_INVALID_DEVICE -1
18
19#define FPGA_ENC_DEV_KEY 0
20#define FPGA_ENC_USR_KEY 1
21#define FPGA_NO_ENC_OR_NO_AUTH 2
22
23/* root data type defintions */
24typedef enum { /* typedef fpga_type */
25 fpga_min_type, /* range check value */
26 fpga_xilinx, /* Xilinx Family) */
27 fpga_altera, /* unimplemented */
28 fpga_lattice, /* Lattice family */
29 fpga_undefined /* invalid range check value */
30} fpga_type; /* end, typedef fpga_type */
31
32typedef struct { /* typedef fpga_desc */
33 fpga_type devtype; /* switch value to select sub-functions */
34 void *devdesc; /* real device descriptor */
35} fpga_desc; /* end, typedef fpga_desc */
36
37typedef struct { /* typedef fpga_desc */
38 unsigned int blocksize;
39 char *interface;
40 char *dev_part;
41 const char *filename;
42 int fstype;
43} fpga_fs_info;
44
45struct fpga_secure_info {
46 u8 *userkey_addr;
47 u8 authflag;
48 u8 encflag;
49};
50
51typedef enum {
52 BIT_FULL = 0,
53 BIT_PARTIAL,
54 BIT_NONE = 0xFF,
55} bitstream_type;
56
57/* root function definitions */
58void fpga_init(void);
59int fpga_add(fpga_type devtype, void *desc);
60int fpga_count(void);
61const fpga_desc *fpga_get_desc(int devnum);
62int fpga_is_partial_data(int devnum, size_t img_len);
63#if CONFIG_IS_ENABLED(FPGA)
64int fpga_load(int devnum, const void *buf, size_t bsize,
65 bitstream_type bstype, int flags);
66#else
67static inline int fpga_load(int devnum, const void *buf, size_t bsize,
68 bitstream_type bstype, int flags)
69{
70 return FPGA_FAIL;
71}
72#endif
73int fpga_fsload(int devnum, const void *buf, size_t size,
74 fpga_fs_info *fpga_fsinfo);
75int fpga_loads(int devnum, const void *buf, size_t size,
76 struct fpga_secure_info *fpga_sec_info);
77int fpga_loadbitstream(int devnum, char *fpgadata, size_t size,
78 bitstream_type bstype);
79int fpga_dump(int devnum, const void *buf, size_t bsize);
80int fpga_info(int devnum);
81const fpga_desc *fpga_validate(int devnum, const void *buf,
82 size_t bsize, char *fn);
83int fpga_compatible2flag(int devnum, const char *compatible);
84
85#endif /* _FPGA_H_ */