1 /* SPDX-License-Identifier: GPL-2.0 */
2 /* Copyright (c)  2018 Intel Corporation */
3 
4 #ifndef _IGC_DEFINES_H_
5 #define _IGC_DEFINES_H_
6 
7 #define IGC_CTRL_EXT_DRV_LOAD	0x10000000 /* Drv loaded bit for FW */
8 
9 /* PCI Bus Info */
10 #define PCIE_DEVICE_CONTROL2		0x28
11 #define PCIE_DEVICE_CONTROL2_16ms	0x0005
12 
13 /* Physical Func Reset Done Indication */
14 #define IGC_CTRL_EXT_LINK_MODE_MASK	0x00C00000
15 
16 /* Loop limit on how long we wait for auto-negotiation to complete */
17 #define COPPER_LINK_UP_LIMIT		10
18 #define PHY_AUTO_NEG_LIMIT		45
19 #define PHY_FORCE_LIMIT			20
20 
21 /* Number of 100 microseconds we wait for PCI Express master disable */
22 #define MASTER_DISABLE_TIMEOUT		800
23 /*Blocks new Master requests */
24 #define IGC_CTRL_GIO_MASTER_DISABLE	0x00000004
25 /* Status of Master requests. */
26 #define IGC_STATUS_GIO_MASTER_ENABLE	0x00080000
27 
28 /* PCI Express Control */
29 #define IGC_GCR_CMPL_TMOUT_MASK		0x0000F000
30 #define IGC_GCR_CMPL_TMOUT_10ms		0x00001000
31 #define IGC_GCR_CMPL_TMOUT_RESEND	0x00010000
32 #define IGC_GCR_CAP_VER2		0x00040000
33 
34 /* Receive Address
35  * Number of high/low register pairs in the RAR. The RAR (Receive Address
36  * Registers) holds the directed and multicast addresses that we monitor.
37  * Technically, we have 16 spots.  However, we reserve one of these spots
38  * (RAR[15]) for our directed address used by controllers with
39  * manageability enabled, allowing us room for 15 multicast addresses.
40  */
41 #define IGC_RAH_AV		0x80000000 /* Receive descriptor valid */
42 #define IGC_RAH_POOL_1		0x00040000
43 #define IGC_RAL_MAC_ADDR_LEN	4
44 #define IGC_RAH_MAC_ADDR_LEN	2
45 
46 /* Error Codes */
47 #define IGC_SUCCESS			0
48 #define IGC_ERR_NVM			1
49 #define IGC_ERR_PHY			2
50 #define IGC_ERR_CONFIG			3
51 #define IGC_ERR_PARAM			4
52 #define IGC_ERR_MAC_INIT		5
53 #define IGC_ERR_RESET			9
54 #define IGC_ERR_MASTER_REQUESTS_PENDING	10
55 #define IGC_ERR_BLK_PHY_RESET		12
56 #define IGC_ERR_SWFW_SYNC		13
57 
58 /* Device Control */
59 #define IGC_CTRL_RST		0x04000000  /* Global reset */
60 
61 #define IGC_CTRL_PHY_RST	0x80000000  /* PHY Reset */
62 #define IGC_CTRL_SLU		0x00000040  /* Set link up (Force Link) */
63 #define IGC_CTRL_FRCSPD		0x00000800  /* Force Speed */
64 #define IGC_CTRL_FRCDPX		0x00001000  /* Force Duplex */
65 
66 #define IGC_CTRL_RFCE		0x08000000  /* Receive Flow Control enable */
67 #define IGC_CTRL_TFCE		0x10000000  /* Transmit flow control enable */
68 
69 #define IGC_CONNSW_AUTOSENSE_EN	0x1
70 
71 /* PBA constants */
72 #define IGC_PBA_34K		0x0022
73 
74 /* SW Semaphore Register */
75 #define IGC_SWSM_SMBI		0x00000001 /* Driver Semaphore bit */
76 #define IGC_SWSM_SWESMBI	0x00000002 /* FW Semaphore bit */
77 
78 /* SWFW_SYNC Definitions */
79 #define IGC_SWFW_EEP_SM		0x1
80 #define IGC_SWFW_PHY0_SM	0x2
81 
82 /* Autoneg Advertisement Register */
83 #define NWAY_AR_10T_HD_CAPS	0x0020   /* 10T   Half Duplex Capable */
84 #define NWAY_AR_10T_FD_CAPS	0x0040   /* 10T   Full Duplex Capable */
85 #define NWAY_AR_100TX_HD_CAPS	0x0080   /* 100TX Half Duplex Capable */
86 #define NWAY_AR_100TX_FD_CAPS	0x0100   /* 100TX Full Duplex Capable */
87 #define NWAY_AR_PAUSE		0x0400   /* Pause operation desired */
88 #define NWAY_AR_ASM_DIR		0x0800   /* Asymmetric Pause Direction bit */
89 
90 /* Link Partner Ability Register (Base Page) */
91 #define NWAY_LPAR_PAUSE		0x0400 /* LP Pause operation desired */
92 #define NWAY_LPAR_ASM_DIR	0x0800 /* LP Asymmetric Pause Direction bit */
93 
94 /* 1000BASE-T Control Register */
95 #define CR_1000T_ASYM_PAUSE	0x0080 /* Advertise asymmetric pause bit */
96 #define CR_1000T_HD_CAPS	0x0100 /* Advertise 1000T HD capability */
97 #define CR_1000T_FD_CAPS	0x0200 /* Advertise 1000T FD capability  */
98 
99 /* 1000BASE-T Status Register */
100 #define SR_1000T_REMOTE_RX_STATUS	0x1000 /* Remote receiver OK */
101 #define SR_1000T_LOCAL_RX_STATUS	0x2000 /* Local receiver OK */
102 
103 /* PHY GPY 211 registers */
104 #define STANDARD_AN_REG_MASK	0x0007 /* MMD */
105 #define ANEG_MULTIGBT_AN_CTRL	0x0020 /* MULTI GBT AN Control Register */
106 #define MMD_DEVADDR_SHIFT	16     /* Shift MMD to higher bits */
107 #define CR_2500T_FD_CAPS	0x0080 /* Advertise 2500T FD capability */
108 
109 /* NVM Control */
110 /* Number of milliseconds for NVM auto read done after MAC reset. */
111 #define AUTO_READ_DONE_TIMEOUT		10
112 #define IGC_EECD_AUTO_RD		0x00000200  /* NVM Auto Read done */
113 #define IGC_EECD_REQ		0x00000040 /* NVM Access Request */
114 #define IGC_EECD_GNT		0x00000080 /* NVM Access Grant */
115 /* NVM Addressing bits based on type 0=small, 1=large */
116 #define IGC_EECD_ADDR_BITS		0x00000400
117 #define IGC_NVM_GRANT_ATTEMPTS		1000 /* NVM # attempts to gain grant */
118 #define IGC_EECD_SIZE_EX_MASK		0x00007800  /* NVM Size */
119 #define IGC_EECD_SIZE_EX_SHIFT		11
120 #define IGC_EECD_FLUPD_I225		0x00800000 /* Update FLASH */
121 #define IGC_EECD_FLUDONE_I225		0x04000000 /* Update FLASH done*/
122 #define IGC_EECD_FLASH_DETECTED_I225	0x00080000 /* FLASH detected */
123 #define IGC_FLUDONE_ATTEMPTS		20000
124 #define IGC_EERD_EEWR_MAX_COUNT		512 /* buffered EEPROM words rw */
125 
126 /* Offset to data in NVM read/write registers */
127 #define IGC_NVM_RW_REG_DATA	16
128 #define IGC_NVM_RW_REG_DONE	2    /* Offset to READ/WRITE done bit */
129 #define IGC_NVM_RW_REG_START	1    /* Start operation */
130 #define IGC_NVM_RW_ADDR_SHIFT	2    /* Shift to the address bits */
131 #define IGC_NVM_POLL_READ	0    /* Flag for polling for read complete */
132 
133 /* NVM Word Offsets */
134 #define NVM_CHECKSUM_REG		0x003F
135 
136 /* For checksumming, the sum of all words in the NVM should equal 0xBABA. */
137 #define NVM_SUM				0xBABA
138 
139 #define NVM_PBA_OFFSET_0		8
140 #define NVM_PBA_OFFSET_1		9
141 #define NVM_RESERVED_WORD		0xFFFF
142 #define NVM_PBA_PTR_GUARD		0xFAFA
143 #define NVM_WORD_SIZE_BASE_SHIFT	6
144 
145 /* Collision related configuration parameters */
146 #define IGC_COLLISION_THRESHOLD		15
147 #define IGC_CT_SHIFT			4
148 #define IGC_COLLISION_DISTANCE		63
149 #define IGC_COLD_SHIFT			12
150 
151 /* Device Status */
152 #define IGC_STATUS_FD		0x00000001      /* Full duplex.0=half,1=full */
153 #define IGC_STATUS_LU		0x00000002      /* Link up.0=no,1=link */
154 #define IGC_STATUS_FUNC_MASK	0x0000000C      /* PCI Function Mask */
155 #define IGC_STATUS_FUNC_SHIFT	2
156 #define IGC_STATUS_FUNC_1	0x00000004      /* Function 1 */
157 #define IGC_STATUS_TXOFF	0x00000010      /* transmission paused */
158 #define IGC_STATUS_SPEED_100	0x00000040      /* Speed 100Mb/s */
159 #define IGC_STATUS_SPEED_1000	0x00000080      /* Speed 1000Mb/s */
160 #define IGC_STATUS_SPEED_2500	0x00400000	/* Speed 2.5Gb/s */
161 
162 #define SPEED_10		10
163 #define SPEED_100		100
164 #define SPEED_1000		1000
165 #define SPEED_2500		2500
166 #define HALF_DUPLEX		1
167 #define FULL_DUPLEX		2
168 
169 /* 1Gbps and 2.5Gbps half duplex is not supported, nor spec-compliant. */
170 #define ADVERTISE_10_HALF		0x0001
171 #define ADVERTISE_10_FULL		0x0002
172 #define ADVERTISE_100_HALF		0x0004
173 #define ADVERTISE_100_FULL		0x0008
174 #define ADVERTISE_1000_HALF		0x0010 /* Not used, just FYI */
175 #define ADVERTISE_1000_FULL		0x0020
176 #define ADVERTISE_2500_HALF		0x0040 /* Not used, just FYI */
177 #define ADVERTISE_2500_FULL		0x0080
178 
179 #define IGC_ALL_SPEED_DUPLEX_2500 ( \
180 	ADVERTISE_10_HALF | ADVERTISE_10_FULL | ADVERTISE_100_HALF | \
181 	ADVERTISE_100_FULL | ADVERTISE_1000_FULL | ADVERTISE_2500_FULL)
182 
183 #define AUTONEG_ADVERTISE_SPEED_DEFAULT_2500	IGC_ALL_SPEED_DUPLEX_2500
184 
185 /* Interrupt Cause Read */
186 #define IGC_ICR_TXDW		BIT(0)	/* Transmit desc written back */
187 #define IGC_ICR_TXQE		BIT(1)	/* Transmit Queue empty */
188 #define IGC_ICR_LSC		BIT(2)	/* Link Status Change */
189 #define IGC_ICR_RXSEQ		BIT(3)	/* Rx sequence error */
190 #define IGC_ICR_RXDMT0		BIT(4)	/* Rx desc min. threshold (0) */
191 #define IGC_ICR_RXO		BIT(6)	/* Rx overrun */
192 #define IGC_ICR_RXT0		BIT(7)	/* Rx timer intr (ring 0) */
193 #define IGC_ICR_DRSTA		BIT(30)	/* Device Reset Asserted */
194 
195 /* If this bit asserted, the driver should claim the interrupt */
196 #define IGC_ICR_INT_ASSERTED	BIT(31)
197 
198 #define IGC_ICS_RXT0		IGC_ICR_RXT0 /* Rx timer intr */
199 
200 #define IMS_ENABLE_MASK ( \
201 	IGC_IMS_RXT0   |    \
202 	IGC_IMS_TXDW   |    \
203 	IGC_IMS_RXDMT0 |    \
204 	IGC_IMS_RXSEQ  |    \
205 	IGC_IMS_LSC)
206 
207 /* Interrupt Mask Set */
208 #define IGC_IMS_TXDW		IGC_ICR_TXDW	/* Tx desc written back */
209 #define IGC_IMS_RXSEQ		IGC_ICR_RXSEQ	/* Rx sequence error */
210 #define IGC_IMS_LSC		IGC_ICR_LSC	/* Link Status Change */
211 #define IGC_IMS_DOUTSYNC	IGC_ICR_DOUTSYNC /* NIC DMA out of sync */
212 #define IGC_IMS_DRSTA		IGC_ICR_DRSTA	/* Device Reset Asserted */
213 #define IGC_IMS_RXT0		IGC_ICR_RXT0	/* Rx timer intr */
214 #define IGC_IMS_RXDMT0		IGC_ICR_RXDMT0	/* Rx desc min. threshold */
215 
216 #define IGC_QVECTOR_MASK	0x7FFC		/* Q-vector mask */
217 #define IGC_ITR_VAL_MASK	0x04		/* ITR value mask */
218 
219 /* Interrupt Cause Set */
220 #define IGC_ICS_LSC		IGC_ICR_LSC       /* Link Status Change */
221 #define IGC_ICS_RXDMT0		IGC_ICR_RXDMT0    /* rx desc min. threshold */
222 #define IGC_ICS_DRSTA		IGC_ICR_DRSTA     /* Device Reset Aserted */
223 
224 #define IGC_ICR_DOUTSYNC	0x10000000 /* NIC DMA out of sync */
225 #define IGC_EITR_CNT_IGNR	0x80000000 /* Don't reset counters on write */
226 #define IGC_IVAR_VALID		0x80
227 #define IGC_GPIE_NSICR		0x00000001
228 #define IGC_GPIE_MSIX_MODE	0x00000010
229 #define IGC_GPIE_EIAME		0x40000000
230 #define IGC_GPIE_PBA		0x80000000
231 
232 /* Transmit Descriptor bit definitions */
233 #define IGC_TXD_DTYP_D		0x00100000 /* Data Descriptor */
234 #define IGC_TXD_DTYP_C		0x00000000 /* Context Descriptor */
235 #define IGC_TXD_POPTS_IXSM	0x01       /* Insert IP checksum */
236 #define IGC_TXD_POPTS_TXSM	0x02       /* Insert TCP/UDP checksum */
237 #define IGC_TXD_CMD_EOP		0x01000000 /* End of Packet */
238 #define IGC_TXD_CMD_IFCS	0x02000000 /* Insert FCS (Ethernet CRC) */
239 #define IGC_TXD_CMD_IC		0x04000000 /* Insert Checksum */
240 #define IGC_TXD_CMD_RS		0x08000000 /* Report Status */
241 #define IGC_TXD_CMD_RPS		0x10000000 /* Report Packet Sent */
242 #define IGC_TXD_CMD_DEXT	0x20000000 /* Desc extension (0 = legacy) */
243 #define IGC_TXD_CMD_VLE		0x40000000 /* Add VLAN tag */
244 #define IGC_TXD_CMD_IDE		0x80000000 /* Enable Tidv register */
245 #define IGC_TXD_STAT_DD		0x00000001 /* Descriptor Done */
246 #define IGC_TXD_STAT_EC		0x00000002 /* Excess Collisions */
247 #define IGC_TXD_STAT_LC		0x00000004 /* Late Collisions */
248 #define IGC_TXD_STAT_TU		0x00000008 /* Transmit underrun */
249 #define IGC_TXD_CMD_TCP		0x01000000 /* TCP packet */
250 #define IGC_TXD_CMD_IP		0x02000000 /* IP packet */
251 #define IGC_TXD_CMD_TSE		0x04000000 /* TCP Seg enable */
252 #define IGC_TXD_STAT_TC		0x00000004 /* Tx Underrun */
253 #define IGC_TXD_EXTCMD_TSTAMP	0x00000010 /* IEEE1588 Timestamp packet */
254 
255 /* Transmit Control */
256 #define IGC_TCTL_EN		0x00000002 /* enable Tx */
257 #define IGC_TCTL_PSP		0x00000008 /* pad short packets */
258 #define IGC_TCTL_CT		0x00000ff0 /* collision threshold */
259 #define IGC_TCTL_COLD		0x003ff000 /* collision distance */
260 #define IGC_TCTL_RTLC		0x01000000 /* Re-transmit on late collision */
261 #define IGC_TCTL_MULR		0x10000000 /* Multiple request support */
262 
263 #define IGC_CT_SHIFT			4
264 #define IGC_COLLISION_THRESHOLD		15
265 
266 /* Flow Control Constants */
267 #define FLOW_CONTROL_ADDRESS_LOW	0x00C28001
268 #define FLOW_CONTROL_ADDRESS_HIGH	0x00000100
269 #define FLOW_CONTROL_TYPE		0x8808
270 /* Enable XON frame transmission */
271 #define IGC_FCRTL_XONE			0x80000000
272 
273 /* Management Control */
274 #define IGC_MANC_RCV_TCO_EN	0x00020000 /* Receive TCO Packets Enabled */
275 #define IGC_MANC_BLK_PHY_RST_ON_IDE	0x00040000 /* Block phy resets */
276 
277 /* Receive Control */
278 #define IGC_RCTL_RST		0x00000001 /* Software reset */
279 #define IGC_RCTL_EN		0x00000002 /* enable */
280 #define IGC_RCTL_SBP		0x00000004 /* store bad packet */
281 #define IGC_RCTL_UPE		0x00000008 /* unicast promisc enable */
282 #define IGC_RCTL_MPE		0x00000010 /* multicast promisc enable */
283 #define IGC_RCTL_LPE		0x00000020 /* long packet enable */
284 #define IGC_RCTL_LBM_MAC	0x00000040 /* MAC loopback mode */
285 #define IGC_RCTL_LBM_TCVR	0x000000C0 /* tcvr loopback mode */
286 
287 #define IGC_RCTL_RDMTS_HALF	0x00000000 /* Rx desc min thresh size */
288 #define IGC_RCTL_BAM		0x00008000 /* broadcast enable */
289 
290 /* Receive Descriptor bit definitions */
291 #define IGC_RXD_STAT_EOP	0x02    /* End of Packet */
292 
293 #define IGC_RXDEXT_STATERR_CE		0x01000000
294 #define IGC_RXDEXT_STATERR_SE		0x02000000
295 #define IGC_RXDEXT_STATERR_SEQ		0x04000000
296 #define IGC_RXDEXT_STATERR_CXE		0x10000000
297 #define IGC_RXDEXT_STATERR_TCPE		0x20000000
298 #define IGC_RXDEXT_STATERR_IPE		0x40000000
299 #define IGC_RXDEXT_STATERR_RXE		0x80000000
300 
301 /* Same mask, but for extended and packet split descriptors */
302 #define IGC_RXDEXT_ERR_FRAME_ERR_MASK ( \
303 	IGC_RXDEXT_STATERR_CE  |	\
304 	IGC_RXDEXT_STATERR_SE  |	\
305 	IGC_RXDEXT_STATERR_SEQ |	\
306 	IGC_RXDEXT_STATERR_CXE |	\
307 	IGC_RXDEXT_STATERR_RXE)
308 
309 /* Header split receive */
310 #define IGC_RFCTL_IPV6_EX_DIS	0x00010000
311 #define IGC_RFCTL_LEF		0x00040000
312 
313 #define IGC_RCTL_SZ_256		0x00030000 /* Rx buffer size 256 */
314 
315 #define IGC_RCTL_MO_SHIFT	12 /* multicast offset shift */
316 #define IGC_RCTL_CFIEN		0x00080000 /* canonical form enable */
317 #define IGC_RCTL_DPF		0x00400000 /* discard pause frames */
318 #define IGC_RCTL_PMCF		0x00800000 /* pass MAC control frames */
319 #define IGC_RCTL_SECRC		0x04000000 /* Strip Ethernet CRC */
320 
321 #define I225_RXPBSIZE_DEFAULT	0x000000A2 /* RXPBSIZE default */
322 #define I225_TXPBSIZE_DEFAULT	0x04000014 /* TXPBSIZE default */
323 
324 /* GPY211 - I225 defines */
325 #define GPY_MMD_MASK		0xFFFF0000
326 #define GPY_MMD_SHIFT		16
327 #define GPY_REG_MASK		0x0000FFFF
328 
329 #define IGC_MMDAC_FUNC_DATA	0x4000 /* Data, no post increment */
330 
331 /* MAC definitions */
332 #define IGC_FACTPS_MNGCG	0x20000000
333 #define IGC_FWSM_MODE_MASK	0xE
334 #define IGC_FWSM_MODE_SHIFT	1
335 
336 /* Management Control */
337 #define IGC_MANC_SMBUS_EN	0x00000001 /* SMBus Enabled - RO */
338 #define IGC_MANC_ASF_EN		0x00000002 /* ASF Enabled - RO */
339 
340 /* PHY */
341 #define PHY_REVISION_MASK	0xFFFFFFF0
342 #define MAX_PHY_REG_ADDRESS	0x1F  /* 5 bit address bus (0-0x1F) */
343 #define IGC_GEN_POLL_TIMEOUT	1920
344 
345 /* PHY Control Register */
346 #define MII_CR_FULL_DUPLEX	0x0100  /* FDX =1, half duplex =0 */
347 #define MII_CR_RESTART_AUTO_NEG	0x0200  /* Restart auto negotiation */
348 #define MII_CR_POWER_DOWN	0x0800  /* Power down */
349 #define MII_CR_AUTO_NEG_EN	0x1000  /* Auto Neg Enable */
350 #define MII_CR_LOOPBACK		0x4000  /* 0 = normal, 1 = loopback */
351 #define MII_CR_RESET		0x8000  /* 0 = normal, 1 = PHY reset */
352 #define MII_CR_SPEED_1000	0x0040
353 #define MII_CR_SPEED_100	0x2000
354 #define MII_CR_SPEED_10		0x0000
355 
356 /* PHY Status Register */
357 #define MII_SR_LINK_STATUS	0x0004 /* Link Status 1 = link */
358 #define MII_SR_AUTONEG_COMPLETE	0x0020 /* Auto Neg Complete */
359 
360 /* PHY 1000 MII Register/Bit Definitions */
361 /* PHY Registers defined by IEEE */
362 #define PHY_CONTROL		0x00 /* Control Register */
363 #define PHY_STATUS		0x01 /* Status Register */
364 #define PHY_ID1			0x02 /* Phy Id Reg (word 1) */
365 #define PHY_ID2			0x03 /* Phy Id Reg (word 2) */
366 #define PHY_AUTONEG_ADV		0x04 /* Autoneg Advertisement */
367 #define PHY_LP_ABILITY		0x05 /* Link Partner Ability (Base Page) */
368 #define PHY_1000T_CTRL		0x09 /* 1000Base-T Control Reg */
369 #define PHY_1000T_STATUS	0x0A /* 1000Base-T Status Reg */
370 
371 /* Bit definitions for valid PHY IDs. I = Integrated E = External */
372 #define I225_I_PHY_ID		0x67C9DC00
373 
374 /* MDI Control */
375 #define IGC_MDIC_DATA_MASK	0x0000FFFF
376 #define IGC_MDIC_REG_MASK	0x001F0000
377 #define IGC_MDIC_REG_SHIFT	16
378 #define IGC_MDIC_PHY_MASK	0x03E00000
379 #define IGC_MDIC_PHY_SHIFT	21
380 #define IGC_MDIC_OP_WRITE	0x04000000
381 #define IGC_MDIC_OP_READ	0x08000000
382 #define IGC_MDIC_READY		0x10000000
383 #define IGC_MDIC_INT_EN		0x20000000
384 #define IGC_MDIC_ERROR		0x40000000
385 #define IGC_MDIC_DEST		0x80000000
386 
387 #define IGC_N0_QUEUE -1
388 
389 #endif /* _IGC_DEFINES_H_ */
390