1 /* SPDX-License-Identifier: GPL-2.0-only OR BSD-3-Clause */
2 
3 /* Header file for Mellanox BlueField GigE register defines
4  *
5  * Copyright (C) 2020-2021 NVIDIA CORPORATION & AFFILIATES
6  */
7 
8 #ifndef __MLXBF_GIGE_REGS_H__
9 #define __MLXBF_GIGE_REGS_H__
10 
11 #include <linux/bitfield.h>
12 
13 #define MLXBF_GIGE_VERSION                            0x0000
14 #define MLXBF_GIGE_VERSION_BF2                        0x0
15 #define MLXBF_GIGE_VERSION_BF3                        0x1
16 #define MLXBF_GIGE_STATUS                             0x0010
17 #define MLXBF_GIGE_STATUS_READY                       BIT(0)
18 #define MLXBF_GIGE_INT_STATUS                         0x0028
19 #define MLXBF_GIGE_INT_STATUS_RX_RECEIVE_PACKET       BIT(0)
20 #define MLXBF_GIGE_INT_STATUS_RX_MAC_ERROR            BIT(1)
21 #define MLXBF_GIGE_INT_STATUS_RX_TRN_ERROR            BIT(2)
22 #define MLXBF_GIGE_INT_STATUS_SW_ACCESS_ERROR         BIT(3)
23 #define MLXBF_GIGE_INT_STATUS_SW_CONFIG_ERROR         BIT(4)
24 #define MLXBF_GIGE_INT_STATUS_TX_PI_CI_EXCEED_WQ_SIZE BIT(5)
25 #define MLXBF_GIGE_INT_STATUS_TX_SMALL_FRAME_SIZE     BIT(6)
26 #define MLXBF_GIGE_INT_STATUS_TX_CHECKSUM_INPUTS      BIT(7)
27 #define MLXBF_GIGE_INT_STATUS_HW_ACCESS_ERROR         BIT(8)
28 #define MLXBF_GIGE_INT_EN                             0x0030
29 #define MLXBF_GIGE_INT_EN_RX_RECEIVE_PACKET           BIT(0)
30 #define MLXBF_GIGE_INT_EN_RX_MAC_ERROR                BIT(1)
31 #define MLXBF_GIGE_INT_EN_RX_TRN_ERROR                BIT(2)
32 #define MLXBF_GIGE_INT_EN_SW_ACCESS_ERROR             BIT(3)
33 #define MLXBF_GIGE_INT_EN_SW_CONFIG_ERROR             BIT(4)
34 #define MLXBF_GIGE_INT_EN_TX_PI_CI_EXCEED_WQ_SIZE     BIT(5)
35 #define MLXBF_GIGE_INT_EN_TX_SMALL_FRAME_SIZE         BIT(6)
36 #define MLXBF_GIGE_INT_EN_TX_CHECKSUM_INPUTS          BIT(7)
37 #define MLXBF_GIGE_INT_EN_HW_ACCESS_ERROR             BIT(8)
38 #define MLXBF_GIGE_INT_MASK                           0x0038
39 #define MLXBF_GIGE_INT_MASK_RX_RECEIVE_PACKET         BIT(0)
40 #define MLXBF_GIGE_CONTROL                            0x0040
41 #define MLXBF_GIGE_CONTROL_PORT_EN                    BIT(0)
42 #define MLXBF_GIGE_CONTROL_MAC_ID_RANGE_EN            BIT(1)
43 #define MLXBF_GIGE_CONTROL_EN_SPECIFIC_MAC            BIT(4)
44 #define MLXBF_GIGE_CONTROL_CLEAN_PORT_EN              BIT(31)
45 #define MLXBF_GIGE_RX_WQ_BASE                         0x0200
46 #define MLXBF_GIGE_RX_WQE_SIZE_LOG2                   0x0208
47 #define MLXBF_GIGE_RX_WQE_SIZE_LOG2_RESET_VAL         7
48 #define MLXBF_GIGE_RX_CQ_BASE                         0x0210
49 #define MLXBF_GIGE_TX_WQ_BASE                         0x0218
50 #define MLXBF_GIGE_TX_WQ_SIZE_LOG2                    0x0220
51 #define MLXBF_GIGE_TX_WQ_SIZE_LOG2_RESET_VAL          7
52 #define MLXBF_GIGE_TX_CI_UPDATE_ADDRESS               0x0228
53 #define MLXBF_GIGE_RX_WQE_PI                          0x0230
54 #define MLXBF_GIGE_TX_PRODUCER_INDEX                  0x0238
55 #define MLXBF_GIGE_RX_MAC_FILTER                      0x0240
56 #define MLXBF_GIGE_RX_MAC_FILTER_STRIDE               0x0008
57 #define MLXBF_GIGE_RX_DIN_DROP_COUNTER                0x0260
58 #define MLXBF_GIGE_TX_CONSUMER_INDEX                  0x0310
59 #define MLXBF_GIGE_TX_CONTROL                         0x0318
60 #define MLXBF_GIGE_TX_CONTROL_GRACEFUL_STOP           BIT(0)
61 #define MLXBF_GIGE_TX_STATUS                          0x0388
62 #define MLXBF_GIGE_TX_STATUS_DATA_FIFO_FULL           BIT(1)
63 #define MLXBF_GIGE_RX_MAC_FILTER_DMAC_RANGE_START     0x0520
64 #define MLXBF_GIGE_RX_MAC_FILTER_DMAC_RANGE_END       0x0528
65 #define MLXBF_GIGE_RX_MAC_FILTER_GENERAL              0x0530
66 #define MLXBF_GIGE_RX_MAC_FILTER_EN_MULTICAST         BIT(1)
67 #define MLXBF_GIGE_RX_MAC_FILTER_COUNT_DISC           0x0540
68 #define MLXBF_GIGE_RX_MAC_FILTER_COUNT_DISC_EN        BIT(0)
69 #define MLXBF_GIGE_RX_MAC_FILTER_COUNT_PASS           0x0548
70 #define MLXBF_GIGE_RX_MAC_FILTER_COUNT_PASS_EN        BIT(0)
71 #define MLXBF_GIGE_RX_PASS_COUNTER_ALL                0x0550
72 #define MLXBF_GIGE_RX_DISC_COUNTER_ALL                0x0560
73 #define MLXBF_GIGE_RX                                 0x0578
74 #define MLXBF_GIGE_RX_STRIP_CRC_EN                    BIT(1)
75 #define MLXBF_GIGE_RX_DMA                             0x0580
76 #define MLXBF_GIGE_RX_DMA_EN                          BIT(0)
77 #define MLXBF_GIGE_RX_CQE_PACKET_CI                   0x05b0
78 #define MLXBF_GIGE_MAC_CFG                            0x05e8
79 
80 /* NOTE: MLXBF_GIGE_MAC_CFG is the last defined register offset,
81  * so use that plus size of single register to derive total size
82  */
83 #define MLXBF_GIGE_MMIO_REG_SZ                        (MLXBF_GIGE_MAC_CFG + 8)
84 
85 #define MLXBF_GIGE_PLU_TX_REG0                        0x80
86 #define MLXBF_GIGE_PLU_TX_IPG_SIZE_MASK               GENMASK(11, 0)
87 #define MLXBF_GIGE_PLU_TX_SGMII_MODE_MASK             GENMASK(15, 14)
88 
89 #define MLXBF_GIGE_PLU_RX_REG0                        0x10
90 #define MLXBF_GIGE_PLU_RX_SGMII_MODE_MASK             GENMASK(25, 24)
91 
92 #define MLXBF_GIGE_1G_SGMII_MODE                      0x0
93 #define MLXBF_GIGE_10M_SGMII_MODE                     0x1
94 #define MLXBF_GIGE_100M_SGMII_MODE                    0x2
95 
96 /* ipg_size default value for 1G is fixed by HW to 11 + End = 12.
97  * So for 100M it is 12 * 10 - 1 = 119
98  * For 10M, it is 12 * 100 - 1 = 1199
99  */
100 #define MLXBF_GIGE_1G_IPG_SIZE                        11
101 #define MLXBF_GIGE_100M_IPG_SIZE                      119
102 #define MLXBF_GIGE_10M_IPG_SIZE                       1199
103 
104 #endif /* !defined(__MLXBF_GIGE_REGS_H__) */
105