1 /*
2  * This file is part of the Chelsio FCoE driver for Linux.
3  *
4  * Copyright (c) 2008-2013 Chelsio Communications, Inc. All rights reserved.
5  *
6  * This software is available to you under a choice of one of two
7  * licenses.  You may choose to be licensed under the terms of the GNU
8  * General Public License (GPL) Version 2, available from the file
9  * OpenIB.org BSD license below:
10  *
11  *     Redistribution and use in source and binary forms, with or
12  *     without modification, are permitted provided that the following
13  *     conditions are met:
14  *
15  *      - Redistributions of source code must retain the above
16  *        copyright notice, this list of conditions and the following
17  *        disclaimer.
18  *
19  *      - Redistributions in binary form must reproduce the above
20  *        copyright notice, this list of conditions and the following
21  *        disclaimer in the documentation and/or other materials
22  *        provided with the distribution.
23  *
24  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
25  * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
26  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
27  * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
28  * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
29  * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
30  * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
31  * SOFTWARE.
32  */
33 
34 #ifndef __CSIO_HW_CHIP_H__
35 #define __CSIO_HW_CHIP_H__
36 
37 #include "csio_defs.h"
38 
39 /* Define MACRO values */
40 #define CSIO_HW_T5				0x5000
41 #define CSIO_T5_FCOE_ASIC			0x5600
42 #define CSIO_HW_T6				0x6000
43 #define CSIO_T6_FCOE_ASIC			0x6600
44 #define CSIO_HW_CHIP_MASK			0xF000
45 
46 #define T5_REGMAP_SIZE				(332 * 1024)
47 #define FW_FNAME_T5				"cxgb4/t5fw.bin"
48 #define FW_CFG_NAME_T5				"cxgb4/t5-config.txt"
49 #define FW_FNAME_T6				"cxgb4/t6fw.bin"
50 #define FW_CFG_NAME_T6				"cxgb4/t6-config.txt"
51 
52 #define CHELSIO_CHIP_CODE(version, revision) (((version) << 4) | (revision))
53 #define CHELSIO_CHIP_FPGA          0x100
54 #define CHELSIO_CHIP_VERSION(code) (((code) >> 12) & 0xf)
55 #define CHELSIO_CHIP_RELEASE(code) ((code) & 0xf)
56 
57 #define CHELSIO_T5		0x5
58 #define CHELSIO_T6		0x6
59 
60 enum chip_type {
61 	T5_A0 = CHELSIO_CHIP_CODE(CHELSIO_T5, 0),
62 	T5_A1 = CHELSIO_CHIP_CODE(CHELSIO_T5, 1),
63 	T5_FIRST_REV	= T5_A0,
64 	T5_LAST_REV	= T5_A1,
65 
66 	T6_A0 = CHELSIO_CHIP_CODE(CHELSIO_T6, 0),
67 	T6_FIRST_REV    = T6_A0,
68 	T6_LAST_REV     = T6_A0,
69 };
70 
71 static inline int csio_is_t5(uint16_t chip)
72 {
73 	return (chip == CSIO_HW_T5);
74 }
75 
76 static inline int csio_is_t6(uint16_t chip)
77 {
78 	return (chip == CSIO_HW_T6);
79 }
80 
81 /* Define MACRO DEFINITIONS */
82 #define CSIO_DEVICE(devid, idx)						\
83 	{ PCI_VENDOR_ID_CHELSIO, (devid), PCI_ANY_ID, PCI_ANY_ID, 0, 0, (idx) }
84 
85 #include "t4fw_api.h"
86 #include "t4fw_version.h"
87 
88 #define FW_VERSION(chip) ( \
89 		FW_HDR_FW_VER_MAJOR_G(chip##FW_VERSION_MAJOR) | \
90 		FW_HDR_FW_VER_MINOR_G(chip##FW_VERSION_MINOR) | \
91 		FW_HDR_FW_VER_MICRO_G(chip##FW_VERSION_MICRO) | \
92 		FW_HDR_FW_VER_BUILD_G(chip##FW_VERSION_BUILD))
93 #define FW_INTFVER(chip, intf) (FW_HDR_INTFVER_##intf)
94 
95 struct fw_info {
96 	u8 chip;
97 	char *fs_name;
98 	char *fw_mod_name;
99 	struct fw_hdr fw_hdr;
100 };
101 
102 /* Declare ENUMS */
103 enum { MEM_EDC0, MEM_EDC1, MEM_MC, MEM_MC0 = MEM_MC, MEM_MC1 };
104 
105 enum {
106 	MEMWIN_APERTURE = 2048,
107 	MEMWIN_BASE     = 0x1b800,
108 };
109 
110 /* Slow path handlers */
111 struct intr_info {
112 	unsigned int mask;       /* bits to check in interrupt status */
113 	const char *msg;         /* message to print or NULL */
114 	short stat_idx;          /* stat counter to increment or -1 */
115 	unsigned short fatal;    /* whether the condition reported is fatal */
116 };
117 
118 /* T4/T5 Chip specific ops */
119 struct csio_hw;
120 struct csio_hw_chip_ops {
121 	int (*chip_set_mem_win)(struct csio_hw *, uint32_t);
122 	void (*chip_pcie_intr_handler)(struct csio_hw *);
123 	uint32_t (*chip_flash_cfg_addr)(struct csio_hw *);
124 	int (*chip_mc_read)(struct csio_hw *, int, uint32_t,
125 					__be32 *, uint64_t *);
126 	int (*chip_edc_read)(struct csio_hw *, int, uint32_t,
127 					__be32 *, uint64_t *);
128 	int (*chip_memory_rw)(struct csio_hw *, u32, int, u32,
129 					u32, uint32_t *, int);
130 	void (*chip_dfs_create_ext_mem)(struct csio_hw *);
131 };
132 
133 extern struct csio_hw_chip_ops t5_ops;
134 
135 #endif /* #ifndef __CSIO_HW_CHIP_H__ */
136