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 /* FCoE device IDs for T4 */
40 #define CSIO_DEVID_T440DBG_FCOE			0x4600
41 #define CSIO_DEVID_T420CR_FCOE			0x4601
42 #define CSIO_DEVID_T422CR_FCOE			0x4602
43 #define CSIO_DEVID_T440CR_FCOE			0x4603
44 #define CSIO_DEVID_T420BCH_FCOE			0x4604
45 #define CSIO_DEVID_T440BCH_FCOE			0x4605
46 #define CSIO_DEVID_T440CH_FCOE			0x4606
47 #define CSIO_DEVID_T420SO_FCOE			0x4607
48 #define CSIO_DEVID_T420CX_FCOE			0x4608
49 #define CSIO_DEVID_T420BT_FCOE			0x4609
50 #define CSIO_DEVID_T404BT_FCOE			0x460A
51 #define CSIO_DEVID_B420_FCOE			0x460B
52 #define CSIO_DEVID_B404_FCOE			0x460C
53 #define CSIO_DEVID_T480CR_FCOE			0x460D
54 #define CSIO_DEVID_T440LPCR_FCOE		0x460E
55 #define CSIO_DEVID_AMSTERDAM_T4_FCOE		0x460F
56 #define CSIO_DEVID_HUAWEI_T480_FCOE		0x4680
57 #define CSIO_DEVID_HUAWEI_T440_FCOE		0x4681
58 #define CSIO_DEVID_HUAWEI_STG310_FCOE		0x4682
59 #define CSIO_DEVID_ACROMAG_XMC_XAUI		0x4683
60 #define CSIO_DEVID_ACROMAG_XMC_SFP_FCOE		0x4684
61 #define CSIO_DEVID_QUANTA_MEZZ_SFP_FCOE		0x4685
62 #define CSIO_DEVID_HUAWEI_10GT_FCOE		0x4686
63 #define CSIO_DEVID_HUAWEI_T440_TOE_FCOE		0x4687
64 
65 /* FCoE device IDs for T5 */
66 #define CSIO_DEVID_T580DBG_FCOE			0x5600
67 #define CSIO_DEVID_T520CR_FCOE			0x5601
68 #define CSIO_DEVID_T522CR_FCOE			0x5602
69 #define CSIO_DEVID_T540CR_FCOE			0x5603
70 #define CSIO_DEVID_T520BCH_FCOE			0x5604
71 #define CSIO_DEVID_T540BCH_FCOE			0x5605
72 #define CSIO_DEVID_T540CH_FCOE			0x5606
73 #define CSIO_DEVID_T520SO_FCOE			0x5607
74 #define CSIO_DEVID_T520CX_FCOE			0x5608
75 #define CSIO_DEVID_T520BT_FCOE			0x5609
76 #define CSIO_DEVID_T504BT_FCOE			0x560A
77 #define CSIO_DEVID_B520_FCOE			0x560B
78 #define CSIO_DEVID_B504_FCOE			0x560C
79 #define CSIO_DEVID_T580CR2_FCOE			0x560D
80 #define CSIO_DEVID_T540LPCR_FCOE		0x560E
81 #define CSIO_DEVID_AMSTERDAM_T5_FCOE		0x560F
82 #define CSIO_DEVID_T580LPCR_FCOE		0x5610
83 #define CSIO_DEVID_T520LLCR_FCOE		0x5611
84 #define CSIO_DEVID_T560CR_FCOE			0x5612
85 #define CSIO_DEVID_T580CR_FCOE			0x5613
86 
87 /* Define MACRO values */
88 #define CSIO_HW_T4				0x4000
89 #define CSIO_T4_FCOE_ASIC			0x4600
90 #define CSIO_HW_T5				0x5000
91 #define CSIO_T5_FCOE_ASIC			0x5600
92 #define CSIO_HW_CHIP_MASK			0xF000
93 #define T4_REGMAP_SIZE				(160 * 1024)
94 #define T5_REGMAP_SIZE				(332 * 1024)
95 #define FW_FNAME_T4				"cxgb4/t4fw.bin"
96 #define FW_FNAME_T5				"cxgb4/t5fw.bin"
97 #define FW_CFG_NAME_T4				"cxgb4/t4-config.txt"
98 #define FW_CFG_NAME_T5				"cxgb4/t5-config.txt"
99 
100 /* Define static functions */
101 static inline int csio_is_t4(uint16_t chip)
102 {
103 	return (chip == CSIO_HW_T4);
104 }
105 
106 static inline int csio_is_t5(uint16_t chip)
107 {
108 	return (chip == CSIO_HW_T5);
109 }
110 
111 /* Define MACRO DEFINITIONS */
112 #define CSIO_DEVICE(devid, idx)						\
113 	{ PCI_VENDOR_ID_CHELSIO, (devid), PCI_ANY_ID, PCI_ANY_ID, 0, 0, (idx) }
114 
115 #define CSIO_HW_PIDX(hw, index)						\
116 	(csio_is_t4(hw->chip_id) ? (PIDX(index)) :			\
117 					(PIDX_T5(index) | DBTYPE(1U)))
118 
119 #define CSIO_HW_LP_INT_THRESH(hw, val)					\
120 	(csio_is_t4(hw->chip_id) ? (LP_INT_THRESH(val)) :		\
121 					(V_LP_INT_THRESH_T5(val)))
122 
123 #define CSIO_HW_M_LP_INT_THRESH(hw)					\
124 	(csio_is_t4(hw->chip_id) ? (LP_INT_THRESH_MASK) : (M_LP_INT_THRESH_T5))
125 
126 #define CSIO_MAC_INT_CAUSE_REG(hw, port)				\
127 	(csio_is_t4(hw->chip_id) ? (PORT_REG(port, XGMAC_PORT_INT_CAUSE)) : \
128 				(T5_PORT_REG(port, MAC_PORT_INT_CAUSE)))
129 
130 #define FW_VERSION_MAJOR(hw) (csio_is_t4(hw->chip_id) ? 1 : 0)
131 #define FW_VERSION_MINOR(hw) (csio_is_t4(hw->chip_id) ? 2 : 0)
132 #define FW_VERSION_MICRO(hw) (csio_is_t4(hw->chip_id) ? 8 : 0)
133 
134 #define CSIO_FW_FNAME(hw)						\
135 	(csio_is_t4(hw->chip_id) ? FW_FNAME_T4 : FW_FNAME_T5)
136 
137 #define CSIO_CF_FNAME(hw)						\
138 	(csio_is_t4(hw->chip_id) ? FW_CFG_NAME_T4 : FW_CFG_NAME_T5)
139 
140 /* Declare ENUMS */
141 enum { MEM_EDC0, MEM_EDC1, MEM_MC, MEM_MC0 = MEM_MC, MEM_MC1 };
142 
143 enum {
144 	MEMWIN_APERTURE = 2048,
145 	MEMWIN_BASE     = 0x1b800,
146 	MEMWIN_CSIOSTOR = 6,		/* PCI-e Memory Window access */
147 };
148 
149 /* Slow path handlers */
150 struct intr_info {
151 	unsigned int mask;       /* bits to check in interrupt status */
152 	const char *msg;         /* message to print or NULL */
153 	short stat_idx;          /* stat counter to increment or -1 */
154 	unsigned short fatal;    /* whether the condition reported is fatal */
155 };
156 
157 /* T4/T5 Chip specific ops */
158 struct csio_hw;
159 struct csio_hw_chip_ops {
160 	int (*chip_set_mem_win)(struct csio_hw *, uint32_t);
161 	void (*chip_pcie_intr_handler)(struct csio_hw *);
162 	uint32_t (*chip_flash_cfg_addr)(struct csio_hw *);
163 	int (*chip_mc_read)(struct csio_hw *, int, uint32_t,
164 					__be32 *, uint64_t *);
165 	int (*chip_edc_read)(struct csio_hw *, int, uint32_t,
166 					__be32 *, uint64_t *);
167 	int (*chip_memory_rw)(struct csio_hw *, u32, int, u32,
168 					u32, uint32_t *, int);
169 	void (*chip_dfs_create_ext_mem)(struct csio_hw *);
170 };
171 
172 extern struct csio_hw_chip_ops t4_ops;
173 extern struct csio_hw_chip_ops t5_ops;
174 
175 #endif /* #ifndef __CSIO_HW_CHIP_H__ */
176