xref: /openbmc/qemu/include/hw/misc/xlnx-cfi-if.h (revision afb81fe8)
1 /*
2  * Xilinx CFI interface
3  *
4  * Copyright (C) 2023, Advanced Micro Devices, Inc.
5  *
6  * Written by Francisco Iglesias <francisco.iglesias@amd.com>
7  *
8  * SPDX-License-Identifier: GPL-2.0-or-later
9  */
10 #ifndef XLNX_CFI_IF_H
11 #define XLNX_CFI_IF_H 1
12 
13 #include "qemu/help-texts.h"
14 #include "hw/hw.h"
15 #include "qom/object.h"
16 
17 #define TYPE_XLNX_CFI_IF "xlnx-cfi-if"
18 typedef struct XlnxCfiIfClass XlnxCfiIfClass;
19 DECLARE_CLASS_CHECKERS(XlnxCfiIfClass, XLNX_CFI_IF, TYPE_XLNX_CFI_IF)
20 
21 #define XLNX_CFI_IF(obj) \
22      INTERFACE_CHECK(XlnxCfiIf, (obj), TYPE_XLNX_CFI_IF)
23 
24 typedef enum {
25     PACKET_TYPE_CFU = 0x52,
26     PACKET_TYPE_CFRAME = 0xA1,
27 } xlnx_cfi_packet_type;
28 
29 typedef enum {
30     CFRAME_FAR = 1,
31     CFRAME_SFR = 2,
32     CFRAME_FDRI = 4,
33     CFRAME_CMD = 6,
34 } xlnx_cfi_reg_addr;
35 
36 typedef struct XlnxCfiPacket {
37     uint8_t reg_addr;
38     uint32_t data[4];
39 } XlnxCfiPacket;
40 
41 typedef struct XlnxCfiIf {
42     Object Parent;
43 } XlnxCfiIf;
44 
45 typedef struct XlnxCfiIfClass {
46     InterfaceClass parent;
47 
48     void (*cfi_transfer_packet)(XlnxCfiIf *cfi_if, XlnxCfiPacket *pkt);
49 } XlnxCfiIfClass;
50 
51 /**
52  * Transfer a XlnxCfiPacket.
53  *
54  * @cfi_if: the object implementing this interface
55  * @XlnxCfiPacket: a pointer to the XlnxCfiPacket to transfer
56  */
57 void xlnx_cfi_transfer_packet(XlnxCfiIf *cfi_if, XlnxCfiPacket *pkt);
58 
59 #endif /* XLNX_CFI_IF_H */
60