xref: /openbmc/linux/drivers/net/ethernet/cavium/thunder/thunder_bgx.h (revision 8dd06ef34b6e2f41b29fbf5fc1663780f2524285)
1  /* SPDX-License-Identifier: GPL-2.0-only */
2  /*
3   * Copyright (C) 2015 Cavium, Inc.
4   */
5  
6  #ifndef THUNDER_BGX_H
7  #define THUNDER_BGX_H
8  
9  /* PCI device ID */
10  #define	PCI_DEVICE_ID_THUNDER_BGX		0xA026
11  #define	PCI_DEVICE_ID_THUNDER_RGX		0xA054
12  
13  /* Subsystem device IDs */
14  #define PCI_SUBSYS_DEVID_88XX_BGX		0xA126
15  #define PCI_SUBSYS_DEVID_81XX_BGX		0xA226
16  #define PCI_SUBSYS_DEVID_81XX_RGX		0xA254
17  #define PCI_SUBSYS_DEVID_83XX_BGX		0xA326
18  
19  #define    MAX_BGX_THUNDER			8 /* Max 2 nodes, 4 per node */
20  #define    MAX_BGX_PER_CN88XX			2
21  #define    MAX_BGX_PER_CN81XX			3 /* 2 BGXs + 1 RGX */
22  #define    MAX_BGX_PER_CN83XX			4
23  #define    MAX_LMAC_PER_BGX			4
24  #define    MAX_BGX_CHANS_PER_LMAC		16
25  #define    MAX_DMAC_PER_LMAC			8
26  #define    MAX_FRAME_SIZE			9216
27  #define    DEFAULT_PAUSE_TIME			0xFFFF
28  
29  #define	   BGX_ID_MASK				0x3
30  #define	   LMAC_ID_MASK				0x3
31  
32  #define    MAX_DMAC_PER_LMAC_TNS_BYPASS_MODE	2
33  
34  /* Registers */
35  #define BGX_CMRX_CFG			0x00
36  #define  CMR_PKT_TX_EN				BIT_ULL(13)
37  #define  CMR_PKT_RX_EN				BIT_ULL(14)
38  #define  CMR_EN					BIT_ULL(15)
39  #define BGX_CMR_GLOBAL_CFG		0x08
40  #define  CMR_GLOBAL_CFG_FCS_STRIP		BIT_ULL(6)
41  #define BGX_CMRX_RX_ID_MAP		0x60
42  #define BGX_CMRX_RX_STAT0		0x70
43  #define BGX_CMRX_RX_STAT1		0x78
44  #define BGX_CMRX_RX_STAT2		0x80
45  #define BGX_CMRX_RX_STAT3		0x88
46  #define BGX_CMRX_RX_STAT4		0x90
47  #define BGX_CMRX_RX_STAT5		0x98
48  #define BGX_CMRX_RX_STAT6		0xA0
49  #define BGX_CMRX_RX_STAT7		0xA8
50  #define BGX_CMRX_RX_STAT8		0xB0
51  #define BGX_CMRX_RX_STAT9		0xB8
52  #define BGX_CMRX_RX_STAT10		0xC0
53  #define BGX_CMRX_RX_BP_DROP		0xC8
54  #define BGX_CMRX_RX_DMAC_CTL		0x0E8
55  #define BGX_CMRX_RX_FIFO_LEN		0x108
56  #define BGX_CMR_RX_DMACX_CAM		0x200
57  #define  RX_DMACX_CAM_EN			BIT_ULL(48)
58  #define  RX_DMACX_CAM_LMACID(x)			(((u64)x) << 49)
59  #define  RX_DMAC_COUNT				32
60  #define BGX_CMR_RX_STEERING		0x300
61  #define  RX_TRAFFIC_STEER_RULE_COUNT		8
62  #define BGX_CMR_CHAN_MSK_AND		0x450
63  #define BGX_CMR_BIST_STATUS		0x460
64  #define BGX_CMR_RX_LMACS		0x468
65  #define BGX_CMRX_TX_FIFO_LEN		0x518
66  #define BGX_CMRX_TX_STAT0		0x600
67  #define BGX_CMRX_TX_STAT1		0x608
68  #define BGX_CMRX_TX_STAT2		0x610
69  #define BGX_CMRX_TX_STAT3		0x618
70  #define BGX_CMRX_TX_STAT4		0x620
71  #define BGX_CMRX_TX_STAT5		0x628
72  #define BGX_CMRX_TX_STAT6		0x630
73  #define BGX_CMRX_TX_STAT7		0x638
74  #define BGX_CMRX_TX_STAT8		0x640
75  #define BGX_CMRX_TX_STAT9		0x648
76  #define BGX_CMRX_TX_STAT10		0x650
77  #define BGX_CMRX_TX_STAT11		0x658
78  #define BGX_CMRX_TX_STAT12		0x660
79  #define BGX_CMRX_TX_STAT13		0x668
80  #define BGX_CMRX_TX_STAT14		0x670
81  #define BGX_CMRX_TX_STAT15		0x678
82  #define BGX_CMRX_TX_STAT16		0x680
83  #define BGX_CMRX_TX_STAT17		0x688
84  #define BGX_CMR_TX_LMACS		0x1000
85  
86  #define BGX_SPUX_CONTROL1		0x10000
87  #define  SPU_CTL_LOW_POWER			BIT_ULL(11)
88  #define  SPU_CTL_LOOPBACK			BIT_ULL(14)
89  #define  SPU_CTL_RESET				BIT_ULL(15)
90  #define BGX_SPUX_STATUS1		0x10008
91  #define  SPU_STATUS1_RCV_LNK			BIT_ULL(2)
92  #define BGX_SPUX_STATUS2		0x10020
93  #define  SPU_STATUS2_RCVFLT			BIT_ULL(10)
94  #define BGX_SPUX_BX_STATUS		0x10028
95  #define  SPU_BX_STATUS_RX_ALIGN			BIT_ULL(12)
96  #define BGX_SPUX_BR_STATUS1		0x10030
97  #define  SPU_BR_STATUS_BLK_LOCK			BIT_ULL(0)
98  #define  SPU_BR_STATUS_RCV_LNK			BIT_ULL(12)
99  #define BGX_SPUX_BR_PMD_CRTL		0x10068
100  #define  SPU_PMD_CRTL_TRAIN_EN			BIT_ULL(1)
101  #define BGX_SPUX_BR_PMD_LP_CUP		0x10078
102  #define BGX_SPUX_BR_PMD_LD_CUP		0x10088
103  #define BGX_SPUX_BR_PMD_LD_REP		0x10090
104  #define BGX_SPUX_FEC_CONTROL		0x100A0
105  #define  SPU_FEC_CTL_FEC_EN			BIT_ULL(0)
106  #define  SPU_FEC_CTL_ERR_EN			BIT_ULL(1)
107  #define BGX_SPUX_AN_CONTROL		0x100C8
108  #define  SPU_AN_CTL_AN_EN			BIT_ULL(12)
109  #define  SPU_AN_CTL_XNP_EN			BIT_ULL(13)
110  #define BGX_SPUX_AN_ADV			0x100D8
111  #define BGX_SPUX_MISC_CONTROL		0x10218
112  #define  SPU_MISC_CTL_INTLV_RDISP		BIT_ULL(10)
113  #define  SPU_MISC_CTL_RX_DIS			BIT_ULL(12)
114  #define BGX_SPUX_INT			0x10220	/* +(0..3) << 20 */
115  #define BGX_SPUX_INT_W1S		0x10228
116  #define BGX_SPUX_INT_ENA_W1C		0x10230
117  #define BGX_SPUX_INT_ENA_W1S		0x10238
118  #define BGX_SPU_DBG_CONTROL		0x10300
119  #define  SPU_DBG_CTL_AN_ARB_LINK_CHK_EN		BIT_ULL(18)
120  #define  SPU_DBG_CTL_AN_NONCE_MCT_DIS		BIT_ULL(29)
121  
122  #define BGX_SMUX_RX_INT			0x20000
123  #define BGX_SMUX_RX_FRM_CTL		0x20020
124  #define  BGX_PKT_RX_PTP_EN			BIT_ULL(12)
125  #define BGX_SMUX_RX_JABBER		0x20030
126  #define BGX_SMUX_RX_CTL			0x20048
127  #define  SMU_RX_CTL_STATUS			(3ull << 0)
128  #define BGX_SMUX_TX_APPEND		0x20100
129  #define  SMU_TX_APPEND_FCS_D			BIT_ULL(2)
130  #define BGX_SMUX_TX_PAUSE_PKT_TIME	0x20110
131  #define BGX_SMUX_TX_MIN_PKT		0x20118
132  #define BGX_SMUX_TX_PAUSE_PKT_INTERVAL	0x20120
133  #define BGX_SMUX_TX_PAUSE_ZERO		0x20138
134  #define BGX_SMUX_TX_INT			0x20140
135  #define BGX_SMUX_TX_CTL			0x20178
136  #define  SMU_TX_CTL_DIC_EN			BIT_ULL(0)
137  #define  SMU_TX_CTL_UNI_EN			BIT_ULL(1)
138  #define  SMU_TX_CTL_LNK_STATUS			(3ull << 4)
139  #define BGX_SMUX_TX_THRESH		0x20180
140  #define BGX_SMUX_CTL			0x20200
141  #define  SMU_CTL_RX_IDLE			BIT_ULL(0)
142  #define  SMU_CTL_TX_IDLE			BIT_ULL(1)
143  #define	BGX_SMUX_CBFC_CTL		0x20218
144  #define	RX_EN					BIT_ULL(0)
145  #define	TX_EN					BIT_ULL(1)
146  #define	BCK_EN					BIT_ULL(2)
147  #define	DRP_EN					BIT_ULL(3)
148  
149  #define BGX_GMP_PCS_MRX_CTL		0x30000
150  #define	 PCS_MRX_CTL_RST_AN			BIT_ULL(9)
151  #define	 PCS_MRX_CTL_PWR_DN			BIT_ULL(11)
152  #define	 PCS_MRX_CTL_AN_EN			BIT_ULL(12)
153  #define	 PCS_MRX_CTL_LOOPBACK1			BIT_ULL(14)
154  #define	 PCS_MRX_CTL_RESET			BIT_ULL(15)
155  #define BGX_GMP_PCS_MRX_STATUS		0x30008
156  #define	 PCS_MRX_STATUS_LINK			BIT_ULL(2)
157  #define	 PCS_MRX_STATUS_AN_CPT			BIT_ULL(5)
158  #define BGX_GMP_PCS_ANX_ADV		0x30010
159  #define BGX_GMP_PCS_ANX_AN_RESULTS	0x30020
160  #define BGX_GMP_PCS_LINKX_TIMER		0x30040
161  #define PCS_LINKX_TIMER_COUNT			0x1E84
162  #define BGX_GMP_PCS_SGM_AN_ADV		0x30068
163  #define BGX_GMP_PCS_MISCX_CTL		0x30078
164  #define  PCS_MISC_CTL_MODE			BIT_ULL(8)
165  #define  PCS_MISC_CTL_DISP_EN			BIT_ULL(13)
166  #define  PCS_MISC_CTL_GMX_ENO			BIT_ULL(11)
167  #define  PCS_MISC_CTL_SAMP_PT_MASK	0x7Full
168  #define BGX_GMP_GMI_PRTX_CFG		0x38020
169  #define  GMI_PORT_CFG_SPEED			BIT_ULL(1)
170  #define  GMI_PORT_CFG_DUPLEX			BIT_ULL(2)
171  #define  GMI_PORT_CFG_SLOT_TIME			BIT_ULL(3)
172  #define  GMI_PORT_CFG_SPEED_MSB			BIT_ULL(8)
173  #define  GMI_PORT_CFG_RX_IDLE			BIT_ULL(12)
174  #define  GMI_PORT_CFG_TX_IDLE			BIT_ULL(13)
175  #define BGX_GMP_GMI_RXX_FRM_CTL		0x38028
176  #define BGX_GMP_GMI_RXX_JABBER		0x38038
177  #define BGX_GMP_GMI_TXX_THRESH		0x38210
178  #define BGX_GMP_GMI_TXX_APPEND		0x38218
179  #define BGX_GMP_GMI_TXX_SLOT		0x38220
180  #define BGX_GMP_GMI_TXX_BURST		0x38228
181  #define BGX_GMP_GMI_TXX_MIN_PKT		0x38240
182  #define BGX_GMP_GMI_TXX_SGMII_CTL	0x38300
183  #define BGX_GMP_GMI_TXX_INT		0x38500
184  #define BGX_GMP_GMI_TXX_INT_W1S		0x38508
185  #define BGX_GMP_GMI_TXX_INT_ENA_W1C	0x38510
186  #define BGX_GMP_GMI_TXX_INT_ENA_W1S	0x38518
187  #define  GMI_TXX_INT_PTP_LOST			BIT_ULL(4)
188  #define  GMI_TXX_INT_LATE_COL			BIT_ULL(3)
189  #define  GMI_TXX_INT_XSDEF			BIT_ULL(2)
190  #define  GMI_TXX_INT_XSCOL			BIT_ULL(1)
191  #define  GMI_TXX_INT_UNDFLW			BIT_ULL(0)
192  
193  #define BGX_MSIX_VEC_0_29_ADDR		0x400000 /* +(0..29) << 4 */
194  #define BGX_MSIX_VEC_0_29_CTL		0x400008
195  #define BGX_MSIX_PBA_0			0x4F0000
196  
197  /* MSI-X interrupts */
198  #define BGX_MSIX_VECTORS	30
199  #define BGX_LMAC_VEC_OFFSET	7
200  #define BGX_MSIX_VEC_SHIFT	4
201  
202  #define CMRX_INT		0
203  #define SPUX_INT		1
204  #define SMUX_RX_INT		2
205  #define SMUX_TX_INT		3
206  #define GMPX_PCS_INT		4
207  #define GMPX_GMI_RX_INT		5
208  #define GMPX_GMI_TX_INT		6
209  #define CMR_MEM_INT		28
210  #define SPU_MEM_INT		29
211  
212  #define LMAC_INTR_LINK_UP	BIT(0)
213  #define LMAC_INTR_LINK_DOWN	BIT(1)
214  
215  #define BGX_XCAST_BCAST_ACCEPT  BIT(0)
216  #define BGX_XCAST_MCAST_ACCEPT  BIT(1)
217  #define BGX_XCAST_MCAST_FILTER  BIT(2)
218  
219  void bgx_set_dmac_cam_filter(int node, int bgx_idx, int lmacid, u64 mac, u8 vf);
220  void bgx_reset_xcast_mode(int node, int bgx_idx, int lmacid, u8 vf);
221  void bgx_set_xcast_mode(int node, int bgx_idx, int lmacid, u8 mode);
222  void octeon_mdiobus_force_mod_depencency(void);
223  void bgx_lmac_rx_tx_enable(int node, int bgx_idx, int lmacid, bool enable);
224  void bgx_add_dmac_addr(u64 dmac, int node, int bgx_idx, int lmac);
225  unsigned bgx_get_map(int node);
226  int bgx_get_lmac_count(int node, int bgx);
227  const u8 *bgx_get_lmac_mac(int node, int bgx_idx, int lmacid);
228  void bgx_set_lmac_mac(int node, int bgx_idx, int lmacid, const u8 *mac);
229  void bgx_get_lmac_link_state(int node, int bgx_idx, int lmacid, void *status);
230  void bgx_lmac_internal_loopback(int node, int bgx_idx,
231  				int lmac_idx, bool enable);
232  void bgx_config_timestamping(int node, int bgx_idx, int lmacid, bool enable);
233  void bgx_lmac_get_pfc(int node, int bgx_idx, int lmacid, void *pause);
234  void bgx_lmac_set_pfc(int node, int bgx_idx, int lmacid, void *pause);
235  
236  void xcv_init_hw(void);
237  void xcv_setup_link(bool link_up, int link_speed);
238  
239  u64 bgx_get_rx_stats(int node, int bgx_idx, int lmac, int idx);
240  u64 bgx_get_tx_stats(int node, int bgx_idx, int lmac, int idx);
241  #define BGX_RX_STATS_COUNT 11
242  #define BGX_TX_STATS_COUNT 18
243  
244  struct bgx_stats {
245  	u64 rx_stats[BGX_RX_STATS_COUNT];
246  	u64 tx_stats[BGX_TX_STATS_COUNT];
247  };
248  
249  enum LMAC_TYPE {
250  	BGX_MODE_SGMII = 0, /* 1 lane, 1.250 Gbaud */
251  	BGX_MODE_XAUI = 1,  /* 4 lanes, 3.125 Gbaud */
252  	BGX_MODE_DXAUI = 1, /* 4 lanes, 6.250 Gbaud */
253  	BGX_MODE_RXAUI = 2, /* 2 lanes, 6.250 Gbaud */
254  	BGX_MODE_XFI = 3,   /* 1 lane, 10.3125 Gbaud */
255  	BGX_MODE_XLAUI = 4, /* 4 lanes, 10.3125 Gbaud */
256  	BGX_MODE_10G_KR = 3,/* 1 lane, 10.3125 Gbaud */
257  	BGX_MODE_40G_KR = 4,/* 4 lanes, 10.3125 Gbaud */
258  	BGX_MODE_RGMII = 5,
259  	BGX_MODE_QSGMII = 6,
260  	BGX_MODE_INVALID = 7,
261  };
262  
263  #endif /* THUNDER_BGX_H */
264