1 /* SPDX-License-Identifier: GPL-2.0 */
2 /* Copyright (c) 2018 Intel Corporation */
3
4 #ifndef _IGC_REGS_H_
5 #define _IGC_REGS_H_
6
7 /* General Register Descriptions */
8 #define IGC_CTRL 0x00000 /* Device Control - RW */
9 #define IGC_STATUS 0x00008 /* Device Status - RO */
10 #define IGC_EECD 0x00010 /* EEPROM/Flash Control - RW */
11 #define IGC_CTRL_EXT 0x00018 /* Extended Device Control - RW */
12 #define IGC_MDIC 0x00020 /* MDI Control - RW */
13 #define IGC_MDICNFG 0x00E04 /* MDC/MDIO Configuration - RW */
14 #define IGC_CONNSW 0x00034 /* Copper/Fiber switch control - RW */
15
16 /* Internal Packet Buffer Size Registers */
17 #define IGC_RXPBS 0x02404 /* Rx Packet Buffer Size - RW */
18 #define IGC_TXPBS 0x03404 /* Tx Packet Buffer Size - RW */
19
20 /* NVM Register Descriptions */
21 #define IGC_EERD 0x12014 /* EEprom mode read - RW */
22 #define IGC_EEWR 0x12018 /* EEprom mode write - RW */
23
24 /* Flow Control Register Descriptions */
25 #define IGC_FCAL 0x00028 /* FC Address Low - RW */
26 #define IGC_FCAH 0x0002C /* FC Address High - RW */
27 #define IGC_FCT 0x00030 /* FC Type - RW */
28 #define IGC_FCTTV 0x00170 /* FC Transmit Timer - RW */
29 #define IGC_FCRTL 0x02160 /* FC Receive Threshold Low - RW */
30 #define IGC_FCRTH 0x02168 /* FC Receive Threshold High - RW */
31 #define IGC_FCRTV 0x02460 /* FC Refresh Timer Value - RW */
32 #define IGC_FCSTS 0x02464 /* FC Status - RO */
33
34 /* PCIe Register Description */
35 #define IGC_GCR 0x05B00 /* PCIe control- RW */
36
37 /* Semaphore registers */
38 #define IGC_SW_FW_SYNC 0x05B5C /* SW-FW Synchronization - RW */
39 #define IGC_SWSM 0x05B50 /* SW Semaphore */
40 #define IGC_FWSM 0x05B54 /* FW Semaphore */
41
42 /* Function Active and Power State to MNG */
43 #define IGC_FACTPS 0x05B30
44
45 /* Interrupt Register Description */
46 #define IGC_EICS 0x01520 /* Ext. Interrupt Cause Set - W0 */
47 #define IGC_EIMS 0x01524 /* Ext. Interrupt Mask Set/Read - RW */
48 #define IGC_EIMC 0x01528 /* Ext. Interrupt Mask Clear - WO */
49 #define IGC_EIAC 0x0152C /* Ext. Interrupt Auto Clear - RW */
50 #define IGC_EIAM 0x01530 /* Ext. Interrupt Auto Mask - RW */
51 #define IGC_ICR 0x01500 /* Intr Cause Read - RC/W1C */
52 #define IGC_ICS 0x01504 /* Intr Cause Set - WO */
53 #define IGC_IMS 0x01508 /* Intr Mask Set/Read - RW */
54 #define IGC_IMC 0x0150C /* Intr Mask Clear - WO */
55 #define IGC_IAM 0x01510 /* Intr Ack Auto Mask- RW */
56 /* Intr Throttle - RW */
57 #define IGC_EITR(_n) (0x01680 + (0x4 * (_n)))
58 /* Interrupt Vector Allocation - RW */
59 #define IGC_IVAR0 0x01700
60 #define IGC_IVAR_MISC 0x01740 /* IVAR for "other" causes - RW */
61 #define IGC_GPIE 0x01514 /* General Purpose Intr Enable - RW */
62
63 /* Interrupt Cause */
64 #define IGC_ICRXPTC 0x04104 /* Rx Packet Timer Expire Count */
65 #define IGC_ICRXATC 0x04108 /* Rx Absolute Timer Expire Count */
66 #define IGC_ICTXPTC 0x0410C /* Tx Packet Timer Expire Count */
67 #define IGC_ICTXATC 0x04110 /* Tx Absolute Timer Expire Count */
68 #define IGC_ICTXQEC 0x04118 /* Tx Queue Empty Count */
69 #define IGC_ICTXQMTC 0x0411C /* Tx Queue Min Threshold Count */
70 #define IGC_ICRXDMTC 0x04120 /* Rx Descriptor Min Threshold Count */
71 #define IGC_ICRXOC 0x04124 /* Receiver Overrun Count */
72
73 #define IGC_CBTMPC 0x0402C /* Circuit Breaker TX Packet Count */
74 #define IGC_HTDPMC 0x0403C /* Host Transmit Discarded Packets */
75 #define IGC_CBRMPC 0x040FC /* Circuit Breaker RX Packet Count */
76 #define IGC_RPTHC 0x04104 /* Rx Packets To Host */
77 #define IGC_HGPTC 0x04118 /* Host Good Packets TX Count */
78 #define IGC_HTCBDPC 0x04124 /* Host TX Circ.Breaker Drop Count */
79
80 /* MSI-X Table Register Descriptions */
81 #define IGC_PBACL 0x05B68 /* MSIx PBA Clear - R/W 1 to clear */
82
83 /* RSS registers */
84 #define IGC_MRQC 0x05818 /* Multiple Receive Control - RW */
85
86 /* Filtering Registers */
87 #define IGC_ETQF(_n) (0x05CB0 + (4 * (_n))) /* EType Queue Fltr */
88
89 /* ETQF register bit definitions */
90 #define IGC_ETQF_FILTER_ENABLE BIT(26)
91 #define IGC_ETQF_QUEUE_ENABLE BIT(31)
92 #define IGC_ETQF_QUEUE_SHIFT 16
93 #define IGC_ETQF_QUEUE_MASK 0x00070000
94 #define IGC_ETQF_ETYPE_MASK 0x0000FFFF
95
96 /* Redirection Table - RW Array */
97 #define IGC_RETA(_i) (0x05C00 + ((_i) * 4))
98 /* RSS Random Key - RW Array */
99 #define IGC_RSSRK(_i) (0x05C80 + ((_i) * 4))
100
101 /* Receive Register Descriptions */
102 #define IGC_RCTL 0x00100 /* Rx Control - RW */
103 #define IGC_SRRCTL(_n) (0x0C00C + ((_n) * 0x40))
104 #define IGC_PSRTYPE(_i) (0x05480 + ((_i) * 4))
105 #define IGC_RDBAL(_n) (0x0C000 + ((_n) * 0x40))
106 #define IGC_RDBAH(_n) (0x0C004 + ((_n) * 0x40))
107 #define IGC_RDLEN(_n) (0x0C008 + ((_n) * 0x40))
108 #define IGC_RDH(_n) (0x0C010 + ((_n) * 0x40))
109 #define IGC_RDT(_n) (0x0C018 + ((_n) * 0x40))
110 #define IGC_RXDCTL(_n) (0x0C028 + ((_n) * 0x40))
111 #define IGC_RQDPC(_n) (0x0C030 + ((_n) * 0x40))
112 #define IGC_RXCSUM 0x05000 /* Rx Checksum Control - RW */
113 #define IGC_RLPML 0x05004 /* Rx Long Packet Max Length */
114 #define IGC_RFCTL 0x05008 /* Receive Filter Control*/
115 #define IGC_MTA 0x05200 /* Multicast Table Array - RW Array */
116 #define IGC_UTA 0x0A000 /* Unicast Table Array - RW */
117 #define IGC_RAL(_n) (0x05400 + ((_n) * 0x08))
118 #define IGC_RAH(_n) (0x05404 + ((_n) * 0x08))
119 #define IGC_VLAPQF 0x055B0 /* VLAN Priority Queue Filter VLAPQF */
120
121 /* Transmit Register Descriptions */
122 #define IGC_TCTL 0x00400 /* Tx Control - RW */
123 #define IGC_TIPG 0x00410 /* Tx Inter-packet gap - RW */
124 #define IGC_TDBAL(_n) (0x0E000 + ((_n) * 0x40))
125 #define IGC_TDBAH(_n) (0x0E004 + ((_n) * 0x40))
126 #define IGC_TDLEN(_n) (0x0E008 + ((_n) * 0x40))
127 #define IGC_TDH(_n) (0x0E010 + ((_n) * 0x40))
128 #define IGC_TDT(_n) (0x0E018 + ((_n) * 0x40))
129 #define IGC_TXDCTL(_n) (0x0E028 + ((_n) * 0x40))
130
131 /* MMD Register Descriptions */
132 #define IGC_MMDAC 13 /* MMD Access Control */
133 #define IGC_MMDAAD 14 /* MMD Access Address/Data */
134
135 /* Good transmitted packets counter registers */
136 #define IGC_PQGPTC(_n) (0x010014 + (0x100 * (_n)))
137
138 /* Statistics Register Descriptions */
139 #define IGC_CRCERRS 0x04000 /* CRC Error Count - R/clr */
140 #define IGC_ALGNERRC 0x04004 /* Alignment Error Count - R/clr */
141 #define IGC_SYMERRS 0x04008 /* Symbol Error Count - R/clr */
142 #define IGC_RXERRC 0x0400C /* Receive Error Count - R/clr */
143 #define IGC_MPC 0x04010 /* Missed Packet Count - R/clr */
144 #define IGC_SCC 0x04014 /* Single Collision Count - R/clr */
145 #define IGC_ECOL 0x04018 /* Excessive Collision Count - R/clr */
146 #define IGC_MCC 0x0401C /* Multiple Collision Count - R/clr */
147 #define IGC_LATECOL 0x04020 /* Late Collision Count - R/clr */
148 #define IGC_COLC 0x04028 /* Collision Count - R/clr */
149 #define IGC_DC 0x04030 /* Defer Count - R/clr */
150 #define IGC_TNCRS 0x04034 /* Tx-No CRS - R/clr */
151 #define IGC_SEC 0x04038 /* Sequence Error Count - R/clr */
152 #define IGC_CEXTERR 0x0403C /* Carrier Extension Error Count - R/clr */
153 #define IGC_RLEC 0x04040 /* Receive Length Error Count - R/clr */
154 #define IGC_XONRXC 0x04048 /* XON Rx Count - R/clr */
155 #define IGC_XONTXC 0x0404C /* XON Tx Count - R/clr */
156 #define IGC_XOFFRXC 0x04050 /* XOFF Rx Count - R/clr */
157 #define IGC_XOFFTXC 0x04054 /* XOFF Tx Count - R/clr */
158 #define IGC_FCRUC 0x04058 /* Flow Control Rx Unsupported Count- R/clr */
159 #define IGC_PRC64 0x0405C /* Packets Rx (64 bytes) - R/clr */
160 #define IGC_PRC127 0x04060 /* Packets Rx (65-127 bytes) - R/clr */
161 #define IGC_PRC255 0x04064 /* Packets Rx (128-255 bytes) - R/clr */
162 #define IGC_PRC511 0x04068 /* Packets Rx (255-511 bytes) - R/clr */
163 #define IGC_PRC1023 0x0406C /* Packets Rx (512-1023 bytes) - R/clr */
164 #define IGC_PRC1522 0x04070 /* Packets Rx (1024-1522 bytes) - R/clr */
165 #define IGC_GPRC 0x04074 /* Good Packets Rx Count - R/clr */
166 #define IGC_BPRC 0x04078 /* Broadcast Packets Rx Count - R/clr */
167 #define IGC_MPRC 0x0407C /* Multicast Packets Rx Count - R/clr */
168 #define IGC_GPTC 0x04080 /* Good Packets Tx Count - R/clr */
169 #define IGC_GORCL 0x04088 /* Good Octets Rx Count Low - R/clr */
170 #define IGC_GORCH 0x0408C /* Good Octets Rx Count High - R/clr */
171 #define IGC_GOTCL 0x04090 /* Good Octets Tx Count Low - R/clr */
172 #define IGC_GOTCH 0x04094 /* Good Octets Tx Count High - R/clr */
173 #define IGC_RNBC 0x040A0 /* Rx No Buffers Count - R/clr */
174 #define IGC_RUC 0x040A4 /* Rx Undersize Count - R/clr */
175 #define IGC_RFC 0x040A8 /* Rx Fragment Count - R/clr */
176 #define IGC_ROC 0x040AC /* Rx Oversize Count - R/clr */
177 #define IGC_RJC 0x040B0 /* Rx Jabber Count - R/clr */
178 #define IGC_MGTPRC 0x040B4 /* Management Packets Rx Count - R/clr */
179 #define IGC_MGTPDC 0x040B8 /* Management Packets Dropped Count - R/clr */
180 #define IGC_MGTPTC 0x040BC /* Management Packets Tx Count - R/clr */
181 #define IGC_TORL 0x040C0 /* Total Octets Rx Low - R/clr */
182 #define IGC_TORH 0x040C4 /* Total Octets Rx High - R/clr */
183 #define IGC_TOTL 0x040C8 /* Total Octets Tx Low - R/clr */
184 #define IGC_TOTH 0x040CC /* Total Octets Tx High - R/clr */
185 #define IGC_TPR 0x040D0 /* Total Packets Rx - R/clr */
186 #define IGC_TPT 0x040D4 /* Total Packets Tx - R/clr */
187 #define IGC_PTC64 0x040D8 /* Packets Tx (64 bytes) - R/clr */
188 #define IGC_PTC127 0x040DC /* Packets Tx (65-127 bytes) - R/clr */
189 #define IGC_PTC255 0x040E0 /* Packets Tx (128-255 bytes) - R/clr */
190 #define IGC_PTC511 0x040E4 /* Packets Tx (256-511 bytes) - R/clr */
191 #define IGC_PTC1023 0x040E8 /* Packets Tx (512-1023 bytes) - R/clr */
192 #define IGC_PTC1522 0x040EC /* Packets Tx (1024-1522 Bytes) - R/clr */
193 #define IGC_MPTC 0x040F0 /* Multicast Packets Tx Count - R/clr */
194 #define IGC_BPTC 0x040F4 /* Broadcast Packets Tx Count - R/clr */
195 #define IGC_TSCTC 0x040F8 /* TCP Segmentation Context Tx - R/clr */
196 #define IGC_TSCTFC 0x040FC /* TCP Segmentation Context Tx Fail - R/clr */
197 #define IGC_IAC 0x04100 /* Interrupt Assertion Count */
198 #define IGC_ICTXPTC 0x0410C /* Interrupt Cause Tx Pkt Timer Expire Count */
199 #define IGC_ICTXATC 0x04110 /* Interrupt Cause Tx Abs Timer Expire Count */
200 #define IGC_ICTXQEC 0x04118 /* Interrupt Cause Tx Queue Empty Count */
201 #define IGC_ICTXQMTC 0x0411C /* Interrupt Cause Tx Queue Min Thresh Count */
202 #define IGC_RPTHC 0x04104 /* Rx Packets To Host */
203 #define IGC_HGPTC 0x04118 /* Host Good Packets Tx Count */
204 #define IGC_RXDMTC 0x04120 /* Rx Descriptor Minimum Threshold Count */
205 #define IGC_HGORCL 0x04128 /* Host Good Octets Received Count Low */
206 #define IGC_HGORCH 0x0412C /* Host Good Octets Received Count High */
207 #define IGC_HGOTCL 0x04130 /* Host Good Octets Transmit Count Low */
208 #define IGC_HGOTCH 0x04134 /* Host Good Octets Transmit Count High */
209 #define IGC_LENERRS 0x04138 /* Length Errors Count */
210 #define IGC_HRMPC 0x0A018 /* Header Redirection Missed Packet Count */
211
212 /* Management registers */
213 #define IGC_MANC 0x05820 /* Management Control - RW */
214
215 /* Shadow Ram Write Register - RW */
216 #define IGC_SRWR 0x12018
217
218 /* forward declaration */
219 struct igc_hw;
220 u32 igc_rd32(struct igc_hw *hw, u32 reg);
221
222 /* write operations, indexed using DWORDS */
223 #define wr32(reg, val) \
224 do { \
225 u8 __iomem *hw_addr = READ_ONCE((hw)->hw_addr); \
226 if (!IGC_REMOVED(hw_addr)) \
227 writel((val), &hw_addr[(reg)]); \
228 } while (0)
229
230 #define rd32(reg) (igc_rd32(hw, reg))
231
232 #define wrfl() ((void)rd32(IGC_STATUS))
233
234 #define array_wr32(reg, offset, value) \
235 wr32((reg) + ((offset) << 2), (value))
236
237 #define array_rd32(reg, offset) (igc_rd32(hw, (reg) + ((offset) << 2)))
238
239 #endif