1 /* SPDX-License-Identifier: GPL-2.0+ */
4 * Marvell Semiconductor <www.marvell.com>
7 * based on - Driver for MV64360X ethernet ports
15 #define INT_CAUSE_UNMASK_ALL 0x0007ffff
16 #define INT_CAUSE_UNMASK_ALL_EXT 0x0011ffff
17 #define MRU_MASK 0xfff1ffff
18 #define PHYADR_MASK 0x0000001f
19 #define PHYREG_MASK 0x0000001f
20 #define QTKNBKT_DEF_VAL 0x3fffffff
21 #define QMTBS_DEF_VAL 0x000003ff
22 #define QTKNRT_DEF_VAL 0x0000fcff
23 #define RXUQ 0 /* Used Rx queue */
24 #define TXUQ 0 /* Used Rx queue */
26 #define MVGBE_REG_WR(adr, val) writel(val, &adr)
27 #define MVGBE_REG_RD(adr) readl(&adr)
28 #define MVGBE_REG_BITS_RESET(adr, val) writel(readl(&adr) & ~(val), &adr)
29 #define MVGBE_REG_BITS_SET(adr, val) writel(readl(&adr) | val, &adr)
31 /* Default port configuration value */
32 #define PRT_CFG_VAL ( \
33 MVGBE_UCAST_MOD_NRML | \
34 MVGBE_DFLT_RXQ(RXUQ) | \
35 MVGBE_DFLT_RX_ARPQ(RXUQ) | \
36 MVGBE_RX_BC_IF_NOT_IP_OR_ARP | \
38 MVGBE_RX_BC_IF_ARP | \
39 MVGBE_CPTR_TCP_FRMS_DIS | \
40 MVGBE_CPTR_UDP_FRMS_DIS | \
41 MVGBE_DFLT_RX_TCPQ(RXUQ) | \
42 MVGBE_DFLT_RX_UDPQ(RXUQ) | \
43 MVGBE_DFLT_RX_BPDUQ(RXUQ))
45 /* Default port extend configuration value */
46 #define PORT_CFG_EXTEND_VALUE \
47 MVGBE_SPAN_BPDU_PACKETS_AS_NORMAL | \
48 MVGBE_PARTITION_DIS | \
49 MVGBE_TX_CRC_GENERATION_EN
51 #define GT_MVGBE_IPG_INT_RX(value) ((value & 0x3fff) << 8)
53 /* Default sdma control value */
54 #define PORT_SDMA_CFG_VALUE ( \
55 MVGBE_RX_BURST_SIZE_16_64BIT | \
56 MVGBE_BLM_RX_NO_SWAP | \
57 MVGBE_BLM_TX_NO_SWAP | \
58 GT_MVGBE_IPG_INT_RX(RXUQ) | \
59 MVGBE_TX_BURST_SIZE_16_64BIT)
61 /* Default port serial control value */
62 #ifndef PORT_SERIAL_CONTROL_VALUE
63 #define PORT_SERIAL_CONTROL_VALUE ( \
64 MVGBE_FORCE_LINK_PASS | \
65 MVGBE_DIS_AUTO_NEG_FOR_DUPLX | \
66 MVGBE_DIS_AUTO_NEG_FOR_FLOW_CTRL | \
67 MVGBE_ADV_NO_FLOW_CTRL | \
68 MVGBE_FORCE_FC_MODE_NO_PAUSE_DIS_TX | \
69 MVGBE_FORCE_BP_MODE_NO_JAM | \
70 (1 << 9) /* Reserved bit has to be 1 */ | \
71 MVGBE_DO_NOT_FORCE_LINK_FAIL | \
72 MVGBE_EN_AUTO_NEG_SPEED_GMII | \
74 MVGBE_MIIPHY_MAC_MODE | \
75 MVGBE_AUTO_NEG_NO_CHANGE | \
76 MVGBE_MAX_RX_PACKET_1552BYTE | \
77 MVGBE_CLR_EXT_LOOPBACK | \
78 MVGBE_SET_FULL_DUPLEX_MODE | \
79 MVGBE_DIS_FLOW_CTRL_TX_RX_IN_FULL_DUPLEX)
82 /* Tx WRR confoguration macros */
83 #define PORT_MAX_TRAN_UNIT 0x24 /* MTU register (default) 9KByte */
84 #define PORT_MAX_TOKEN_BUCKET_SIZE 0x_FFFF /* PMTBS reg (default) */
85 #define PORT_TOKEN_RATE 1023 /* PTTBRC reg (default) */
86 /* MAC accepet/reject macros */
87 #define ACCEPT_MAC_ADDR 0
88 #define REJECT_MAC_ADDR 1
89 /* Size of a Tx/Rx descriptor used in chain list data structure */
90 #define MV_RXQ_DESC_ALIGNED_SIZE \
91 (((sizeof(struct mvgbe_rxdesc) / PKTALIGN) + 1) * PKTALIGN)
92 /* Buffer offset from buffer pointer */
93 #define RX_BUF_OFFSET 0x2
95 /* Port serial status reg (PSR) */
96 #define MVGBE_INTERFACE_GMII_MII 0
97 #define MVGBE_INTERFACE_PCM 1
98 #define MVGBE_LINK_IS_DOWN 0
99 #define MVGBE_LINK_IS_UP (1 << 1)
100 #define MVGBE_PORT_AT_HALF_DUPLEX 0
101 #define MVGBE_PORT_AT_FULL_DUPLEX (1 << 2)
102 #define MVGBE_RX_FLOW_CTRL_DISD 0
103 #define MVGBE_RX_FLOW_CTRL_ENBALED (1 << 3)
104 #define MVGBE_GMII_SPEED_100_10 0
105 #define MVGBE_GMII_SPEED_1000 (1 << 4)
106 #define MVGBE_MII_SPEED_10 0
107 #define MVGBE_MII_SPEED_100 (1 << 5)
108 #define MVGBE_NO_TX 0
109 #define MVGBE_TX_IN_PROGRESS (1 << 7)
110 #define MVGBE_BYPASS_NO_ACTIVE 0
111 #define MVGBE_BYPASS_ACTIVE (1 << 8)
112 #define MVGBE_PORT_NOT_AT_PARTN_STT 0
113 #define MVGBE_PORT_AT_PARTN_STT (1 << 9)
114 #define MVGBE_PORT_TX_FIFO_NOT_EMPTY 0
115 #define MVGBE_PORT_TX_FIFO_EMPTY (1 << 10)
117 /* These macros describes the Port configuration reg (Px_cR) bits */
118 #define MVGBE_UCAST_MOD_NRML 0
119 #define MVGBE_UNICAST_PROMISCUOUS_MODE 1
120 #define MVGBE_DFLT_RXQ(_x) (_x << 1)
121 #define MVGBE_DFLT_RX_ARPQ(_x) (_x << 4)
122 #define MVGBE_RX_BC_IF_NOT_IP_OR_ARP 0
123 #define MVGBE_REJECT_BC_IF_NOT_IP_OR_ARP (1 << 7)
124 #define MVGBE_RX_BC_IF_IP 0
125 #define MVGBE_REJECT_BC_IF_IP (1 << 8)
126 #define MVGBE_RX_BC_IF_ARP 0
127 #define MVGBE_REJECT_BC_IF_ARP (1 << 9)
128 #define MVGBE_TX_AM_NO_UPDATE_ERR_SMRY (1 << 12)
129 #define MVGBE_CPTR_TCP_FRMS_DIS 0
130 #define MVGBE_CPTR_TCP_FRMS_EN (1 << 14)
131 #define MVGBE_CPTR_UDP_FRMS_DIS 0
132 #define MVGBE_CPTR_UDP_FRMS_EN (1 << 15)
133 #define MVGBE_DFLT_RX_TCPQ(_x) (_x << 16)
134 #define MVGBE_DFLT_RX_UDPQ(_x) (_x << 19)
135 #define MVGBE_DFLT_RX_BPDUQ(_x) (_x << 22)
136 #define MVGBE_DFLT_RX_TCP_CHKSUM_MODE (1 << 25)
138 /* These macros describes the Port configuration extend reg (Px_cXR) bits*/
139 #define MVGBE_CLASSIFY_EN 1
140 #define MVGBE_SPAN_BPDU_PACKETS_AS_NORMAL 0
141 #define MVGBE_SPAN_BPDU_PACKETS_TO_RX_Q7 (1 << 1)
142 #define MVGBE_PARTITION_DIS 0
143 #define MVGBE_PARTITION_EN (1 << 2)
144 #define MVGBE_TX_CRC_GENERATION_EN 0
145 #define MVGBE_TX_CRC_GENERATION_DIS (1 << 3)
147 /* These macros describes the Port Sdma configuration reg (SDCR) bits */
149 #define MVGBE_RX_BURST_SIZE_1_64BIT 0
150 #define MVGBE_RX_BURST_SIZE_2_64BIT (1 << 1)
151 #define MVGBE_RX_BURST_SIZE_4_64BIT (1 << 2)
152 #define MVGBE_RX_BURST_SIZE_8_64BIT ((1 << 2) | (1 << 1))
153 #define MVGBE_RX_BURST_SIZE_16_64BIT (1 << 3)
154 #define MVGBE_BLM_RX_NO_SWAP (1 << 4)
155 #define MVGBE_BLM_RX_BYTE_SWAP 0
156 #define MVGBE_BLM_TX_NO_SWAP (1 << 5)
157 #define MVGBE_BLM_TX_BYTE_SWAP 0
158 #define MVGBE_DESCRIPTORS_BYTE_SWAP (1 << 6)
159 #define MVGBE_DESCRIPTORS_NO_SWAP 0
160 #define MVGBE_TX_BURST_SIZE_1_64BIT 0
161 #define MVGBE_TX_BURST_SIZE_2_64BIT (1 << 22)
162 #define MVGBE_TX_BURST_SIZE_4_64BIT (1 << 23)
163 #define MVGBE_TX_BURST_SIZE_8_64BIT ((1 << 23) | (1 << 22))
164 #define MVGBE_TX_BURST_SIZE_16_64BIT (1 << 24)
166 /* These macros describes the Port serial control reg (PSCR) bits */
167 #define MVGBE_SERIAL_PORT_DIS 0
168 #define MVGBE_SERIAL_PORT_EN 1
169 #define MVGBE_FORCE_LINK_PASS (1 << 1)
170 #define MVGBE_DO_NOT_FORCE_LINK_PASS 0
171 #define MVGBE_EN_AUTO_NEG_FOR_DUPLX 0
172 #define MVGBE_DIS_AUTO_NEG_FOR_DUPLX (1 << 2)
173 #define MVGBE_EN_AUTO_NEG_FOR_FLOW_CTRL 0
174 #define MVGBE_DIS_AUTO_NEG_FOR_FLOW_CTRL (1 << 3)
175 #define MVGBE_ADV_NO_FLOW_CTRL 0
176 #define MVGBE_ADV_SYMMETRIC_FLOW_CTRL (1 << 4)
177 #define MVGBE_FORCE_FC_MODE_NO_PAUSE_DIS_TX 0
178 #define MVGBE_FORCE_FC_MODE_TX_PAUSE_DIS (1 << 5)
179 #define MVGBE_FORCE_BP_MODE_NO_JAM 0
180 #define MVGBE_FORCE_BP_MODE_JAM_TX (1 << 7)
181 #define MVGBE_FORCE_BP_MODE_JAM_TX_ON_RX_ERR (1 << 8)
182 #define MVGBE_FORCE_LINK_FAIL 0
183 #define MVGBE_DO_NOT_FORCE_LINK_FAIL (1 << 10)
184 #define MVGBE_DIS_AUTO_NEG_SPEED_GMII (1 << 13)
185 #define MVGBE_EN_AUTO_NEG_SPEED_GMII 0
186 #define MVGBE_DTE_ADV_0 0
187 #define MVGBE_DTE_ADV_1 (1 << 14)
188 #define MVGBE_MIIPHY_MAC_MODE 0
189 #define MVGBE_MIIPHY_PHY_MODE (1 << 15)
190 #define MVGBE_AUTO_NEG_NO_CHANGE 0
191 #define MVGBE_RESTART_AUTO_NEG (1 << 16)
192 #define MVGBE_MAX_RX_PACKET_1518BYTE 0
193 #define MVGBE_MAX_RX_PACKET_1522BYTE (1 << 17)
194 #define MVGBE_MAX_RX_PACKET_1552BYTE (1 << 18)
195 #define MVGBE_MAX_RX_PACKET_9022BYTE ((1 << 18) | (1 << 17))
196 #define MVGBE_MAX_RX_PACKET_9192BYTE (1 << 19)
197 #define MVGBE_MAX_RX_PACKET_9700BYTE ((1 << 19) | (1 << 17))
198 #define MVGBE_SET_EXT_LOOPBACK (1 << 20)
199 #define MVGBE_CLR_EXT_LOOPBACK 0
200 #define MVGBE_SET_FULL_DUPLEX_MODE (1 << 21)
201 #define MVGBE_SET_HALF_DUPLEX_MODE 0
202 #define MVGBE_EN_FLOW_CTRL_TX_RX_IN_FULL_DUPLEX (1 << 22)
203 #define MVGBE_DIS_FLOW_CTRL_TX_RX_IN_FULL_DUPLEX 0
204 #define MVGBE_SET_GMII_SPEED_TO_10_100 0
205 #define MVGBE_SET_GMII_SPEED_TO_1000 (1 << 23)
206 #define MVGBE_SET_MII_SPEED_TO_10 0
207 #define MVGBE_SET_MII_SPEED_TO_100 (1 << 24)
209 /* SMI register fields */
210 #define MVGBE_PHY_SMI_TIMEOUT 10000
211 #define MVGBE_PHY_SMI_TIMEOUT_MS 1000
212 #define MVGBE_PHY_SMI_DATA_OFFS 0 /* Data */
213 #define MVGBE_PHY_SMI_DATA_MASK (0xffff << MVGBE_PHY_SMI_DATA_OFFS)
214 #define MVGBE_PHY_SMI_DEV_ADDR_OFFS 16 /* PHY device address */
215 #define MVGBE_PHY_SMI_DEV_ADDR_MASK \
216 (PHYADR_MASK << MVGBE_PHY_SMI_DEV_ADDR_OFFS)
217 #define MVGBE_SMI_REG_ADDR_OFFS 21 /* PHY device reg addr */
218 #define MVGBE_SMI_REG_ADDR_MASK \
219 (PHYADR_MASK << MVGBE_SMI_REG_ADDR_OFFS)
220 #define MVGBE_PHY_SMI_OPCODE_OFFS 26 /* Write/Read opcode */
221 #define MVGBE_PHY_SMI_OPCODE_MASK (3 << MVGBE_PHY_SMI_OPCODE_OFFS)
222 #define MVGBE_PHY_SMI_OPCODE_WRITE (0 << MVGBE_PHY_SMI_OPCODE_OFFS)
223 #define MVGBE_PHY_SMI_OPCODE_READ (1 << MVGBE_PHY_SMI_OPCODE_OFFS)
224 #define MVGBE_PHY_SMI_READ_VALID_MASK (1 << 27) /* Read Valid */
225 #define MVGBE_PHY_SMI_BUSY_MASK (1 << 28) /* Busy */
227 /* SDMA command status fields macros */
228 /* Tx & Rx descriptors status */
229 #define MVGBE_ERROR_SUMMARY 1
230 /* Tx & Rx descriptors command */
231 #define MVGBE_BUFFER_OWNED_BY_DMA (1 << 31)
232 /* Tx descriptors status */
233 #define MVGBE_LC_ERROR 0
234 #define MVGBE_UR_ERROR (1 << 1)
235 #define MVGBE_RL_ERROR (1 << 2)
236 #define MVGBE_LLC_SNAP_FORMAT (1 << 9)
237 #define MVGBE_TX_LAST_FRAME (1 << 20)
239 /* Rx descriptors status */
240 #define MVGBE_CRC_ERROR 0
241 #define MVGBE_OVERRUN_ERROR (1 << 1)
242 #define MVGBE_MAX_FRAME_LENGTH_ERROR (1 << 2)
243 #define MVGBE_RESOURCE_ERROR ((1 << 2) | (1 << 1))
244 #define MVGBE_VLAN_TAGGED (1 << 19)
245 #define MVGBE_BPDU_FRAME (1 << 20)
246 #define MVGBE_TCP_FRAME_OVER_IP_V_4 0
247 #define MVGBE_UDP_FRAME_OVER_IP_V_4 (1 << 21)
248 #define MVGBE_OTHER_FRAME_TYPE (1 << 22)
249 #define MVGBE_LAYER_2_IS_MVGBE_V_2 (1 << 23)
250 #define MVGBE_FRAME_TYPE_IP_V_4 (1 << 24)
251 #define MVGBE_FRAME_HEADER_OK (1 << 25)
252 #define MVGBE_RX_LAST_DESC (1 << 26)
253 #define MVGBE_RX_FIRST_DESC (1 << 27)
254 #define MVGBE_UNKNOWN_DESTINATION_ADDR (1 << 28)
255 #define MVGBE_RX_EN_INTERRUPT (1 << 29)
256 #define MVGBE_LAYER_4_CHECKSUM_OK (1 << 30)
258 /* Rx descriptors byte count */
259 #define MVGBE_FRAME_FRAGMENTED (1 << 2)
261 /* Tx descriptors command */
262 #define MVGBE_LAYER_4_CHECKSUM_FIRST_DESC (1 << 10)
263 #define MVGBE_FRAME_SET_TO_VLAN (1 << 15)
264 #define MVGBE_TCP_FRAME 0
265 #define MVGBE_UDP_FRAME (1 << 16)
266 #define MVGBE_GEN_TCP_UDP_CHECKSUM (1 << 17)
267 #define MVGBE_GEN_IP_V_4_CHECKSUM (1 << 18)
268 #define MVGBE_ZERO_PADDING (1 << 19)
269 #define MVGBE_TX_LAST_DESC (1 << 20)
270 #define MVGBE_TX_FIRST_DESC (1 << 21)
271 #define MVGBE_GEN_CRC (1 << 22)
272 #define MVGBE_TX_EN_INTERRUPT (1 << 23)
273 #define MVGBE_AUTO_MODE (1 << 30)
275 /* Address decode parameters */
276 /* Ethernet Base Address Register bits */
277 #define EBAR_TARGET_DRAM 0x00000000
278 #define EBAR_TARGET_DEVICE 0x00000001
279 #define EBAR_TARGET_CBS 0x00000002
280 #define EBAR_TARGET_PCI0 0x00000003
281 #define EBAR_TARGET_PCI1 0x00000004
282 #define EBAR_TARGET_CUNIT 0x00000005
283 #define EBAR_TARGET_AUNIT 0x00000006
284 #define EBAR_TARGET_GUNIT 0x00000007
287 #define EBAR_DRAM_CS0 0x00000E00
288 #define EBAR_DRAM_CS1 0x00000D00
289 #define EBAR_DRAM_CS2 0x00000B00
290 #define EBAR_DRAM_CS3 0x00000700
292 /* DRAM Target interface */
293 #define EBAR_DRAM_NO_CACHE_COHERENCY 0x00000000
294 #define EBAR_DRAM_CACHE_COHERENCY_WT 0x00001000
295 #define EBAR_DRAM_CACHE_COHERENCY_WB 0x00002000
297 /* Device Bus Target interface */
298 #define EBAR_DEVICE_DEVCS0 0x00001E00
299 #define EBAR_DEVICE_DEVCS1 0x00001D00
300 #define EBAR_DEVICE_DEVCS2 0x00001B00
301 #define EBAR_DEVICE_DEVCS3 0x00001700
302 #define EBAR_DEVICE_BOOTCS3 0x00000F00
304 /* PCI Target interface */
305 #define EBAR_PCI_BYTE_SWAP 0x00000000
306 #define EBAR_PCI_NO_SWAP 0x00000100
307 #define EBAR_PCI_BYTE_WORD_SWAP 0x00000200
308 #define EBAR_PCI_WORD_SWAP 0x00000300
309 #define EBAR_PCI_NO_SNOOP_NOT_ASSERT 0x00000000
310 #define EBAR_PCI_NO_SNOOP_ASSERT 0x00000400
311 #define EBAR_PCI_IO_SPACE 0x00000000
312 #define EBAR_PCI_MEMORY_SPACE 0x00000800
313 #define EBAR_PCI_REQ64_FORCE 0x00000000
314 #define EBAR_PCI_REQ64_SIZE 0x00001000
316 /* Window access control */
317 #define EWIN_ACCESS_NOT_ALLOWED 0
318 #define EWIN_ACCESS_READ_ONLY 1
319 #define EWIN_ACCESS_FULL ((1 << 1) | 1)
321 /* structures represents Controller registers */
328 struct mvgbe_rxdesc *rxcdp;
339 struct mvgbe_registers {
344 u8 pad1[0x080 - 0x00c - 4];
347 u8 pad2[0x094 - 0x084 - 4];
350 u8 pad3[0x0b0 - 0x098 - 4];
352 u8 pad3a[0x200 - 0x0b0 - 4];
353 struct mvgbe_barsz barsz[6];
354 u8 pad4[0x280 - 0x22c - 4];
358 u8 pad5[0x400 - 0x294 - 4];
362 u8 pad6[0x410 - 0x408 - 4];
375 u8 pad7[0x460 - 0x454 - 4];
380 u8 pad8[0x474 - 0x46c - 4];
387 u8 pad11[0x494 - 0x488 - 4];
389 u8 pad12[0x4bc - 0x494 - 4];
391 u8 pad13[0x4dc - 0x4bc - 4];
397 u8 pad14[0x60c - 0x4ec - 4];
398 struct mvgbe_rxcdp rxcdp[7];
399 struct mvgbe_rxdesc *rxcdp7;
401 struct mvgbe_txdesc *tcsdp;
402 u8 pad15[0x6c0 - 0x684 - 4];
403 struct mvgbe_txdesc *tcqdp[8];
404 u8 pad16[0x700 - 0x6dc - 4];
405 struct mvgbe_tqx tqx[8];
407 u8 pad17[0x7a8 - 0x780 - 4];
411 u8 pad19[0x7c0 - 0x7b8 - 4];
417 u8 pad21[0x3000 - 0x27d0 - 4];
418 u32 pad20_1[32]; /* mib counter registes */
419 u8 pad22[0x3400 - 0x3000 - sizeof(u32) * 32];
423 u8 pad23[0xe20c0 - 0x7360c - 4];
424 u32 pmbus_top_arbiter;
427 /* structures/enums needed by driver */
445 struct mvgbe_winparam {
446 enum mvgbe_adrwin win; /* Window number */
447 enum mvgbe_target target; /* System targets */
448 u16 attrib; /* BAR attrib. See above macros */
449 u32 base_addr; /* Window base address in u32 form */
450 u32 high_addr; /* Window high address in u32 form */
451 u32 size; /* Size in MBytes. Must be % 64Kbyte. */
452 int enable; /* Enable/disable access to the window. */
453 u16 access_ctrl; /*Access ctrl register. see above macros */
456 struct mvgbe_rxdesc {
457 u32 cmd_sts; /* Descriptor command status */
458 u16 buf_size; /* Buffer size */
459 u16 byte_cnt; /* Descriptor buffer byte count */
460 u8 *buf_ptr; /* Descriptor buffer pointer */
461 struct mvgbe_rxdesc *nxtdesc_p; /* Next descriptor pointer */
464 struct mvgbe_txdesc {
465 u32 cmd_sts; /* Descriptor command status */
466 u16 l4i_chk; /* CPU provided TCP Checksum */
467 u16 byte_cnt; /* Descriptor buffer byte count */
468 u8 *buf_ptr; /* Descriptor buffer ptr */
469 struct mvgbe_txdesc *nxtdesc_p; /* Next descriptor ptr */
472 /* port device data struct */
473 struct mvgbe_device {
474 struct mvgbe_registers *regs;
475 struct mvgbe_txdesc *p_txdesc;
476 struct mvgbe_rxdesc *p_rxdesc;
477 struct mvgbe_rxdesc *p_rxdesc_curr;
481 phy_interface_t phy_interface;
488 struct phy_device *phydev;
492 #endif /* __MVGBE_H__ */