1 /*
2  * Copyright (C) 2015 Cavium, Inc.
3  *
4  * This program is free software; you can redistribute it and/or modify it
5  * under the terms of version 2 of the GNU General Public License
6  * as published by the Free Software Foundation.
7  */
8 
9 #ifndef THUNDER_BGX_H
10 #define THUNDER_BGX_H
11 
12 #define    MAX_BGX_THUNDER			8 /* Max 4 nodes, 2 per node */
13 #define    MAX_BGX_PER_CN88XX			2
14 #define    MAX_LMAC_PER_BGX			4
15 #define    MAX_BGX_CHANS_PER_LMAC		16
16 #define    MAX_DMAC_PER_LMAC			8
17 #define    MAX_FRAME_SIZE			9216
18 
19 #define    MAX_DMAC_PER_LMAC_TNS_BYPASS_MODE	2
20 
21 #define    MAX_LMAC	(MAX_BGX_PER_CN88XX * MAX_LMAC_PER_BGX)
22 
23 /* Registers */
24 #define BGX_CMRX_CFG			0x00
25 #define  CMR_PKT_TX_EN				BIT_ULL(13)
26 #define  CMR_PKT_RX_EN				BIT_ULL(14)
27 #define  CMR_EN					BIT_ULL(15)
28 #define BGX_CMR_GLOBAL_CFG		0x08
29 #define  CMR_GLOBAL_CFG_FCS_STRIP		BIT_ULL(6)
30 #define BGX_CMRX_RX_ID_MAP		0x60
31 #define BGX_CMRX_RX_STAT0		0x70
32 #define BGX_CMRX_RX_STAT1		0x78
33 #define BGX_CMRX_RX_STAT2		0x80
34 #define BGX_CMRX_RX_STAT3		0x88
35 #define BGX_CMRX_RX_STAT4		0x90
36 #define BGX_CMRX_RX_STAT5		0x98
37 #define BGX_CMRX_RX_STAT6		0xA0
38 #define BGX_CMRX_RX_STAT7		0xA8
39 #define BGX_CMRX_RX_STAT8		0xB0
40 #define BGX_CMRX_RX_STAT9		0xB8
41 #define BGX_CMRX_RX_STAT10		0xC0
42 #define BGX_CMRX_RX_BP_DROP		0xC8
43 #define BGX_CMRX_RX_DMAC_CTL		0x0E8
44 #define BGX_CMRX_RX_FIFO_LEN		0x108
45 #define BGX_CMR_RX_DMACX_CAM		0x200
46 #define  RX_DMACX_CAM_EN			BIT_ULL(48)
47 #define  RX_DMACX_CAM_LMACID(x)			(x << 49)
48 #define  RX_DMAC_COUNT				32
49 #define BGX_CMR_RX_STREERING		0x300
50 #define  RX_TRAFFIC_STEER_RULE_COUNT		8
51 #define BGX_CMR_CHAN_MSK_AND		0x450
52 #define BGX_CMR_BIST_STATUS		0x460
53 #define BGX_CMR_RX_LMACS		0x468
54 #define BGX_CMRX_TX_FIFO_LEN		0x518
55 #define BGX_CMRX_TX_STAT0		0x600
56 #define BGX_CMRX_TX_STAT1		0x608
57 #define BGX_CMRX_TX_STAT2		0x610
58 #define BGX_CMRX_TX_STAT3		0x618
59 #define BGX_CMRX_TX_STAT4		0x620
60 #define BGX_CMRX_TX_STAT5		0x628
61 #define BGX_CMRX_TX_STAT6		0x630
62 #define BGX_CMRX_TX_STAT7		0x638
63 #define BGX_CMRX_TX_STAT8		0x640
64 #define BGX_CMRX_TX_STAT9		0x648
65 #define BGX_CMRX_TX_STAT10		0x650
66 #define BGX_CMRX_TX_STAT11		0x658
67 #define BGX_CMRX_TX_STAT12		0x660
68 #define BGX_CMRX_TX_STAT13		0x668
69 #define BGX_CMRX_TX_STAT14		0x670
70 #define BGX_CMRX_TX_STAT15		0x678
71 #define BGX_CMRX_TX_STAT16		0x680
72 #define BGX_CMRX_TX_STAT17		0x688
73 #define BGX_CMR_TX_LMACS		0x1000
74 
75 #define BGX_SPUX_CONTROL1		0x10000
76 #define  SPU_CTL_LOW_POWER			BIT_ULL(11)
77 #define  SPU_CTL_LOOPBACK			BIT_ULL(14)
78 #define  SPU_CTL_RESET				BIT_ULL(15)
79 #define BGX_SPUX_STATUS1		0x10008
80 #define  SPU_STATUS1_RCV_LNK			BIT_ULL(2)
81 #define BGX_SPUX_STATUS2		0x10020
82 #define  SPU_STATUS2_RCVFLT			BIT_ULL(10)
83 #define BGX_SPUX_BX_STATUS		0x10028
84 #define  SPU_BX_STATUS_RX_ALIGN			BIT_ULL(12)
85 #define BGX_SPUX_BR_STATUS1		0x10030
86 #define  SPU_BR_STATUS_BLK_LOCK			BIT_ULL(0)
87 #define  SPU_BR_STATUS_RCV_LNK			BIT_ULL(12)
88 #define BGX_SPUX_BR_PMD_CRTL		0x10068
89 #define  SPU_PMD_CRTL_TRAIN_EN			BIT_ULL(1)
90 #define BGX_SPUX_BR_PMD_LP_CUP		0x10078
91 #define BGX_SPUX_BR_PMD_LD_CUP		0x10088
92 #define BGX_SPUX_BR_PMD_LD_REP		0x10090
93 #define BGX_SPUX_FEC_CONTROL		0x100A0
94 #define  SPU_FEC_CTL_FEC_EN			BIT_ULL(0)
95 #define  SPU_FEC_CTL_ERR_EN			BIT_ULL(1)
96 #define BGX_SPUX_AN_CONTROL		0x100C8
97 #define  SPU_AN_CTL_AN_EN			BIT_ULL(12)
98 #define  SPU_AN_CTL_XNP_EN			BIT_ULL(13)
99 #define BGX_SPUX_AN_ADV			0x100D8
100 #define BGX_SPUX_MISC_CONTROL		0x10218
101 #define  SPU_MISC_CTL_INTLV_RDISP		BIT_ULL(10)
102 #define  SPU_MISC_CTL_RX_DIS			BIT_ULL(12)
103 #define BGX_SPUX_INT			0x10220	/* +(0..3) << 20 */
104 #define BGX_SPUX_INT_W1S		0x10228
105 #define BGX_SPUX_INT_ENA_W1C		0x10230
106 #define BGX_SPUX_INT_ENA_W1S		0x10238
107 #define BGX_SPU_DBG_CONTROL		0x10300
108 #define  SPU_DBG_CTL_AN_ARB_LINK_CHK_EN		BIT_ULL(18)
109 #define  SPU_DBG_CTL_AN_NONCE_MCT_DIS		BIT_ULL(29)
110 
111 #define BGX_SMUX_RX_INT			0x20000
112 #define BGX_SMUX_RX_JABBER		0x20030
113 #define BGX_SMUX_RX_CTL			0x20048
114 #define  SMU_RX_CTL_STATUS			(3ull << 0)
115 #define BGX_SMUX_TX_APPEND		0x20100
116 #define  SMU_TX_APPEND_FCS_D			BIT_ULL(2)
117 #define BGX_SMUX_TX_MIN_PKT		0x20118
118 #define BGX_SMUX_TX_INT			0x20140
119 #define BGX_SMUX_TX_CTL			0x20178
120 #define  SMU_TX_CTL_DIC_EN			BIT_ULL(0)
121 #define  SMU_TX_CTL_UNI_EN			BIT_ULL(1)
122 #define  SMU_TX_CTL_LNK_STATUS			(3ull << 4)
123 #define BGX_SMUX_TX_THRESH		0x20180
124 #define BGX_SMUX_CTL			0x20200
125 #define  SMU_CTL_RX_IDLE			BIT_ULL(0)
126 #define  SMU_CTL_TX_IDLE			BIT_ULL(1)
127 
128 #define BGX_GMP_PCS_MRX_CTL		0x30000
129 #define	 PCS_MRX_CTL_RST_AN			BIT_ULL(9)
130 #define	 PCS_MRX_CTL_PWR_DN			BIT_ULL(11)
131 #define	 PCS_MRX_CTL_AN_EN			BIT_ULL(12)
132 #define	 PCS_MRX_CTL_LOOPBACK1			BIT_ULL(14)
133 #define	 PCS_MRX_CTL_RESET			BIT_ULL(15)
134 #define BGX_GMP_PCS_MRX_STATUS		0x30008
135 #define	 PCS_MRX_STATUS_AN_CPT			BIT_ULL(5)
136 #define BGX_GMP_PCS_ANX_AN_RESULTS	0x30020
137 #define BGX_GMP_PCS_SGM_AN_ADV		0x30068
138 #define BGX_GMP_PCS_MISCX_CTL		0x30078
139 #define  PCS_MISC_CTL_GMX_ENO			BIT_ULL(11)
140 #define  PCS_MISC_CTL_SAMP_PT_MASK	0x7Full
141 #define BGX_GMP_GMI_PRTX_CFG		0x38020
142 #define  GMI_PORT_CFG_SPEED			BIT_ULL(1)
143 #define  GMI_PORT_CFG_DUPLEX			BIT_ULL(2)
144 #define  GMI_PORT_CFG_SLOT_TIME			BIT_ULL(3)
145 #define  GMI_PORT_CFG_SPEED_MSB			BIT_ULL(8)
146 #define BGX_GMP_GMI_RXX_JABBER		0x38038
147 #define BGX_GMP_GMI_TXX_THRESH		0x38210
148 #define BGX_GMP_GMI_TXX_APPEND		0x38218
149 #define BGX_GMP_GMI_TXX_SLOT		0x38220
150 #define BGX_GMP_GMI_TXX_BURST		0x38228
151 #define BGX_GMP_GMI_TXX_MIN_PKT		0x38240
152 #define BGX_GMP_GMI_TXX_SGMII_CTL	0x38300
153 
154 #define BGX_MSIX_VEC_0_29_ADDR		0x400000 /* +(0..29) << 4 */
155 #define BGX_MSIX_VEC_0_29_CTL		0x400008
156 #define BGX_MSIX_PBA_0			0x4F0000
157 
158 /* MSI-X interrupts */
159 #define BGX_MSIX_VECTORS	30
160 #define BGX_LMAC_VEC_OFFSET	7
161 #define BGX_MSIX_VEC_SHIFT	4
162 
163 #define CMRX_INT		0
164 #define SPUX_INT		1
165 #define SMUX_RX_INT		2
166 #define SMUX_TX_INT		3
167 #define GMPX_PCS_INT		4
168 #define GMPX_GMI_RX_INT		5
169 #define GMPX_GMI_TX_INT		6
170 #define CMR_MEM_INT		28
171 #define SPU_MEM_INT		29
172 
173 #define LMAC_INTR_LINK_UP	BIT(0)
174 #define LMAC_INTR_LINK_DOWN	BIT(1)
175 
176 /*  RX_DMAC_CTL configuration*/
177 enum MCAST_MODE {
178 		MCAST_MODE_REJECT,
179 		MCAST_MODE_ACCEPT,
180 		MCAST_MODE_CAM_FILTER,
181 		RSVD
182 };
183 
184 #define BCAST_ACCEPT	1
185 #define CAM_ACCEPT	1
186 
187 void octeon_mdiobus_force_mod_depencency(void);
188 void bgx_lmac_rx_tx_enable(int node, int bgx_idx, int lmacid, bool enable);
189 void bgx_add_dmac_addr(u64 dmac, int node, int bgx_idx, int lmac);
190 unsigned bgx_get_map(int node);
191 int bgx_get_lmac_count(int node, int bgx);
192 const u8 *bgx_get_lmac_mac(int node, int bgx_idx, int lmacid);
193 void bgx_set_lmac_mac(int node, int bgx_idx, int lmacid, const u8 *mac);
194 void bgx_get_lmac_link_state(int node, int bgx_idx, int lmacid, void *status);
195 void bgx_lmac_internal_loopback(int node, int bgx_idx,
196 				int lmac_idx, bool enable);
197 u64 bgx_get_rx_stats(int node, int bgx_idx, int lmac, int idx);
198 u64 bgx_get_tx_stats(int node, int bgx_idx, int lmac, int idx);
199 #define BGX_RX_STATS_COUNT 11
200 #define BGX_TX_STATS_COUNT 18
201 
202 struct bgx_stats {
203 	u64 rx_stats[BGX_RX_STATS_COUNT];
204 	u64 tx_stats[BGX_TX_STATS_COUNT];
205 };
206 
207 enum LMAC_TYPE {
208 	BGX_MODE_SGMII = 0, /* 1 lane, 1.250 Gbaud */
209 	BGX_MODE_XAUI = 1,  /* 4 lanes, 3.125 Gbaud */
210 	BGX_MODE_DXAUI = 1, /* 4 lanes, 6.250 Gbaud */
211 	BGX_MODE_RXAUI = 2, /* 2 lanes, 6.250 Gbaud */
212 	BGX_MODE_XFI = 3,   /* 1 lane, 10.3125 Gbaud */
213 	BGX_MODE_XLAUI = 4, /* 4 lanes, 10.3125 Gbaud */
214 	BGX_MODE_10G_KR = 3,/* 1 lane, 10.3125 Gbaud */
215 	BGX_MODE_40G_KR = 4,/* 4 lanes, 10.3125 Gbaud */
216 };
217 
218 enum qlm_mode {
219 	QLM_MODE_SGMII,         /* SGMII, each lane independent */
220 	QLM_MODE_XAUI_1X4,      /* 1 XAUI or DXAUI, 4 lanes */
221 	QLM_MODE_RXAUI_2X2,     /* 2 RXAUI, 2 lanes each */
222 	QLM_MODE_XFI_4X1,       /* 4 XFI, 1 lane each */
223 	QLM_MODE_XLAUI_1X4,     /* 1 XLAUI, 4 lanes each */
224 	QLM_MODE_10G_KR_4X1,    /* 4 10GBASE-KR, 1 lane each */
225 	QLM_MODE_40G_KR4_1X4,   /* 1 40GBASE-KR4, 4 lanes each */
226 };
227 
228 #endif /* THUNDER_BGX_H */
229