xref: /freebsd/sys/arm64/broadcom/genet/if_genetreg.h (revision a90b9d0159070121c221b966469c3e36d912bf82)
1 /* $NetBSD: bcmgenetreg.h,v 1.2 2020/02/22 13:41:41 jmcneill Exp $ */
2 
3 /* derived from NetBSD's bcmgenetreg.h */
4 
5 /*-
6  * Copyright (c) 2020 Michael J Karels
7  * Copyright (c) 2020 Jared McNeill <jmcneill@invisible.ca>
8  *
9  * Redistribution and use in source and binary forms, with or without
10  * modification, are permitted provided that the following conditions
11  * are met:
12  * 1. Redistributions of source code must retain the above copyright
13  *    notice, this list of conditions and the following disclaimer.
14  * 2. Redistributions in binary form must reproduce the above copyright
15  *    notice, this list of conditions and the following disclaimer in the
16  *    documentation and/or other materials provided with the distribution.
17  *
18  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
19  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
20  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
21  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
22  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
23  * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
24  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
25  * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
26  * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
27  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
28  * SUCH DAMAGE.
29  */
30 
31 /*
32  * Broadcom GENETv5
33  */
34 
35 #ifndef _BCMGENETREG_H
36 #define _BCMGENETREG_H
37 
38 #define	GENET_SYS_REV_CTRL		0x000
39 #define	 SYS_REV_MAJOR			__BITS(27,24)
40 #define	 SYS_REV_MINOR			__BITS(19,16)
41 #define	  REV_MAJOR		0xf000000
42 #define	  REV_MAJOR_SHIFT	24
43 #define	  REV_MAJOR_V5		6
44 #define	  REV_MINOR		0xf0000
45 #define	  REV_MINOR_SHIFT	16
46 #define	  REV_PHY		0xffff
47 #define	GENET_SYS_PORT_CTRL		0x004
48 #define	 GENET_SYS_PORT_MODE_EXT_GPHY	3
49 #define	GENET_SYS_RBUF_FLUSH_CTRL	0x008
50 #define	 GENET_SYS_RBUF_FLUSH_RESET	__BIT(1)
51 #define	GENET_SYS_TBUF_FLUSH_CTRL	0x00c
52 #define	GENET_EXT_RGMII_OOB_CTRL	0x08c
53 #define	 GENET_EXT_RGMII_OOB_ID_MODE_DISABLE	__BIT(16)
54 #define	 GENET_EXT_RGMII_OOB_RGMII_MODE_EN	__BIT(6)
55 #define	 GENET_EXT_RGMII_OOB_OOB_DISABLE	__BIT(5)
56 #define	 GENET_EXT_RGMII_OOB_RGMII_LINK		__BIT(4)
57 #define	GENET_INTRL2_CPU_STAT		0x200
58 #define	GENET_INTRL2_CPU_CLEAR		0x208
59 #define	GENET_INTRL2_CPU_STAT_MASK	0x20c
60 #define	GENET_INTRL2_CPU_SET_MASK	0x210
61 #define	GENET_INTRL2_CPU_CLEAR_MASK	0x214
62 #define	 GENET_IRQ_MDIO_ERROR		__BIT(24)
63 #define	 GENET_IRQ_MDIO_DONE		__BIT(23)
64 #define	 GENET_IRQ_TXDMA_DONE		__BIT(16)
65 #define	 GENET_IRQ_RXDMA_DONE		__BIT(13)
66 #define	GENET_RBUF_CTRL			0x300
67 #define	 GENET_RBUF_BAD_DIS		__BIT(2)
68 #define	 GENET_RBUF_ALIGN_2B		__BIT(1)
69 #define	 GENET_RBUF_64B_EN		__BIT(0)
70 #define	GENET_RBUF_CHECK_CTRL		0x314
71 #define	 GENET_RBUF_CHECK_CTRL_EN	__BIT(0)
72 #define	 GENET_RBUF_CHECK_SKIP_FCS	__BIT(4)
73 #define	GENET_RBUF_TBUF_SIZE_CTRL	0x3b4
74 #define	GENET_TBUF_CTRL			0x600
75 #define	GENET_UMAC_CMD			0x808
76 #define	 GENET_UMAC_CMD_LCL_LOOP_EN	__BIT(15)
77 #define	 GENET_UMAC_CMD_SW_RESET	__BIT(13)
78 #define	 GENET_UMAC_CMD_PROMISC		__BIT(4)
79 #ifdef __BITS
80 #define	 GENET_UMAC_CMD_SPEED		__BITS(3,2)
81 #define	  GENET_UMAC_CMD_SPEED_10	0
82 #define	  GENET_UMAC_CMD_SPEED_100	1
83 #define	  GENET_UMAC_CMD_SPEED_1000	2
84 #else
85 #define	 GENET_UMAC_CMD_SPEED		(3 << 2)
86 #define	  GENET_UMAC_CMD_SPEED_10	(0 << 2)
87 #define	  GENET_UMAC_CMD_SPEED_100	(1 << 2)
88 #define	  GENET_UMAC_CMD_SPEED_1000	(2 << 2)
89 #define	 GENET_UMAC_CMD_CRC_FWD		__BIT(6)
90 #endif
91 #define	 GENET_UMAC_CMD_RXEN		__BIT(1)
92 #define	 GENET_UMAC_CMD_TXEN		__BIT(0)
93 #define	GENET_UMAC_MAC0			0x80c
94 #define	GENET_UMAC_MAC1			0x810
95 #define	GENET_UMAC_MAX_FRAME_LEN	0x814
96 #define	GENET_UMAC_TX_FLUSH		0xb34
97 #define	GENET_UMAC_MIB_CTRL		0xd80
98 #define	 GENET_UMAC_MIB_RESET_TX	__BIT(2)
99 #define	 GENET_UMAC_MIB_RESET_RUNT	__BIT(1)
100 #define	 GENET_UMAC_MIB_RESET_RX	__BIT(0)
101 #define	GENET_MDIO_CMD			0xe14
102 #define	 GENET_MDIO_START_BUSY		__BIT(29)
103 #define	 GENET_MDIO_READ_FAILED		__BIT(28)
104 #define	 GENET_MDIO_READ		__BIT(27)
105 #define	 GENET_MDIO_WRITE		__BIT(26)
106 #define	 GENET_MDIO_PMD			__BITS(25,21)
107 #define	 GENET_MDIO_REG			__BITS(20,16)
108 #define	 GENET_MDIO_ADDR_SHIFT		21
109 #define	 GENET_MDIO_REG_SHIFT		16
110 #define	 GENET_MDIO_VAL_MASK		0xffff
111 #define	GENET_UMAC_MDF_CTRL		0xe50
112 #define	GENET_UMAC_MDF_ADDR0(n)		(0xe54 + (n) * 0x8)
113 #define	GENET_UMAC_MDF_ADDR1(n)		(0xe58 + (n) * 0x8)
114 #define	  GENET_MAX_MDF_FILTER	17
115 
116 #define	GENET_DMA_DESC_COUNT		256
117 #define	GENET_DMA_DESC_SIZE		12
118 #define	GENET_DMA_DEFAULT_QUEUE		16
119 
120 #define	GENET_DMA_RING_SIZE		0x40
121 #define	GENET_DMA_RINGS_SIZE		(GENET_DMA_RING_SIZE * (GENET_DMA_DEFAULT_QUEUE + 1))
122 
123 #define	GENET_RX_BASE			0x2000
124 #define	GENET_TX_BASE			0x4000
125 
126 #define	GENET_RX_DMA_RINGBASE(qid)	(GENET_RX_BASE + 0xc00 + GENET_DMA_RING_SIZE * (qid))
127 #define	GENET_RX_DMA_WRITE_PTR_LO(qid)	(GENET_RX_DMA_RINGBASE(qid) + 0x00)
128 #define	GENET_RX_DMA_WRITE_PTR_HI(qid)	(GENET_RX_DMA_RINGBASE(qid) + 0x04)
129 #define	GENET_RX_DMA_PROD_INDEX(qid)	(GENET_RX_DMA_RINGBASE(qid) + 0x08)
130 #define	GENET_RX_DMA_CONS_INDEX(qid)	(GENET_RX_DMA_RINGBASE(qid) + 0x0c)
131 #define	GENET_RX_DMA_PROD_CONS_MASK	0xffff
132 #define	GENET_RX_DMA_RING_BUF_SIZE(qid)	(GENET_RX_DMA_RINGBASE(qid) + 0x10)
133 #define	 GENET_RX_DMA_RING_BUF_SIZE_DESC_COUNT	__BITS(31,16)
134 #define	 GENET_RX_DMA_RING_BUF_SIZE_BUF_LENGTH	__BITS(15,0)
135 #define	 GENET_RX_DMA_RING_BUF_SIZE_DESC_SHIFT	16
136 #define	 GENET_RX_DMA_RING_BUF_SIZE_BUF_LEN_MASK 0xffff
137 #define	GENET_RX_DMA_START_ADDR_LO(qid)	(GENET_RX_DMA_RINGBASE(qid) + 0x14)
138 #define	GENET_RX_DMA_START_ADDR_HI(qid)	(GENET_RX_DMA_RINGBASE(qid) + 0x18)
139 #define	GENET_RX_DMA_END_ADDR_LO(qid)	(GENET_RX_DMA_RINGBASE(qid) + 0x1c)
140 #define	GENET_RX_DMA_END_ADDR_HI(qid)	(GENET_RX_DMA_RINGBASE(qid) + 0x20)
141 #define	GENET_RX_DMA_XON_XOFF_THRES(qid) (GENET_RX_DMA_RINGBASE(qid) + 0x28)
142 #define	 GENET_RX_DMA_XON_XOFF_THRES_LO		__BITS(31,16)
143 #define	 GENET_RX_DMA_XON_XOFF_THRES_HI		__BITS(15,0)
144 #define	 GENET_RX_DMA_XON_XOFF_THRES_LO_SHIFT	16
145 #define	GENET_RX_DMA_READ_PTR_LO(qid)	(GENET_RX_DMA_RINGBASE(qid) + 0x2c)
146 #define	GENET_RX_DMA_READ_PTR_HI(qid)	(GENET_RX_DMA_RINGBASE(qid) + 0x30)
147 
148 #define	GENET_TX_DMA_RINGBASE(qid)	(GENET_TX_BASE + 0xc00 + GENET_DMA_RING_SIZE * (qid))
149 #define	GENET_TX_DMA_READ_PTR_LO(qid)	(GENET_TX_DMA_RINGBASE(qid) + 0x00)
150 #define	GENET_TX_DMA_READ_PTR_HI(qid)	(GENET_TX_DMA_RINGBASE(qid) + 0x04)
151 #define	GENET_TX_DMA_CONS_INDEX(qid)	(GENET_TX_DMA_RINGBASE(qid) + 0x08)
152 #define	GENET_TX_DMA_PROD_INDEX(qid)	(GENET_TX_DMA_RINGBASE(qid) + 0x0c)
153 #define	GENET_TX_DMA_PROD_CONS_MASK	0xffff
154 #define	GENET_TX_DMA_RING_BUF_SIZE(qid)	(GENET_TX_DMA_RINGBASE(qid) + 0x10)
155 #define	 GENET_TX_DMA_RING_BUF_SIZE_DESC_COUNT	__BITS(31,16)
156 #define	 GENET_TX_DMA_RING_BUF_SIZE_BUF_LENGTH	__BITS(15,0)
157 #define	 GENET_TX_DMA_RING_BUF_SIZE_DESC_SHIFT	16
158 #define	 GENET_TX_DMA_RING_BUF_SIZE_BUF_LEN_MASK 0xffff
159 #define	GENET_TX_DMA_START_ADDR_LO(qid)	(GENET_TX_DMA_RINGBASE(qid) + 0x14)
160 #define	GENET_TX_DMA_START_ADDR_HI(qid)	(GENET_TX_DMA_RINGBASE(qid) + 0x18)
161 #define	GENET_TX_DMA_END_ADDR_LO(qid)	(GENET_TX_DMA_RINGBASE(qid) + 0x1c)
162 #define	GENET_TX_DMA_END_ADDR_HI(qid)	(GENET_TX_DMA_RINGBASE(qid) + 0x20)
163 #define	GENET_TX_DMA_MBUF_DONE_THRES(qid) (GENET_TX_DMA_RINGBASE(qid) + 0x24)
164 #define	GENET_TX_DMA_FLOW_PERIOD(qid)	(GENET_TX_DMA_RINGBASE(qid) + 0x28)
165 #define	GENET_TX_DMA_WRITE_PTR_LO(qid)	(GENET_TX_DMA_RINGBASE(qid) + 0x2c)
166 #define	GENET_TX_DMA_WRITE_PTR_HI(qid)	(GENET_TX_DMA_RINGBASE(qid) + 0x30)
167 
168 #define	GENET_RX_DESC_STATUS(idx)	(GENET_RX_BASE + GENET_DMA_DESC_SIZE * (idx) + 0x00)
169 #define	 GENET_RX_DESC_STATUS_BUFLEN	__BITS(27,16)
170 #define	  GENET_RX_DESC_STATUS_BUFLEN_MASK	0xfff0000
171 #define	  GENET_RX_DESC_STATUS_BUFLEN_SHIFT	16
172 #define	 GENET_RX_DESC_STATUS_OWN	__BIT(15)	/* ??? */
173 #define	 GENET_RX_DESC_STATUS_CKSUM_OK	__BIT(15)
174 #define	 GENET_RX_DESC_STATUS_EOP	__BIT(14)
175 #define	 GENET_RX_DESC_STATUS_SOP	__BIT(13)
176 #define	 GENET_RX_DESC_STATUS_RX_ERROR	__BIT(2)
177 #define	GENET_RX_DESC_ADDRESS_LO(idx)	(GENET_RX_BASE + GENET_DMA_DESC_SIZE * (idx) + 0x04)
178 #define	GENET_RX_DESC_ADDRESS_HI(idx)	(GENET_RX_BASE + GENET_DMA_DESC_SIZE * (idx) + 0x08)
179 
180 #define	GENET_TX_DESC_STATUS(idx)	(GENET_TX_BASE + GENET_DMA_DESC_SIZE * (idx) + 0x00)
181 #define	 GENET_TX_DESC_STATUS_BUFLEN	__BITS(27,16)
182 #define	 GENET_TX_DESC_STATUS_OWN	__BIT(15)
183 #define	 GENET_TX_DESC_STATUS_EOP	__BIT(14)
184 #define	 GENET_TX_DESC_STATUS_SOP	__BIT(13)
185 #define	 GENET_TX_DESC_STATUS_QTAG	__BITS(12,7)
186 #define	 GENET_TX_DESC_STATUS_CRC	__BIT(6)
187 #define	 GENET_TX_DESC_STATUS_CKSUM	__BIT(4)
188 #define	 GENET_TX_DESC_STATUS_BUFLEN_SHIFT 16
189 #define	 GENET_TX_DESC_STATUS_BUFLEN_MASK 0x7ff0000
190 #define	 GENET_TX_DESC_STATUS_QTAG_MASK	0x1f80
191 #define	GENET_TX_DESC_ADDRESS_LO(idx)	(GENET_TX_BASE + GENET_DMA_DESC_SIZE * (idx) + 0x04)
192 #define	GENET_TX_DESC_ADDRESS_HI(idx)	(GENET_TX_BASE + GENET_DMA_DESC_SIZE * (idx) + 0x08)
193 
194 /* Status block prepended to tx/rx packets (optional) */
195 struct statusblock {
196 	u_int32_t	status_buflen;
197 	u_int32_t	extstatus;
198 	u_int32_t	rxcsum;
199 	u_int32_t	spare1[9];
200 	u_int32_t	txcsuminfo;
201 	u_int32_t	spare2[3];
202 };
203 
204 /* bits in txcsuminfo */
205 #define TXCSUM_LEN_VALID		__BIT(31)
206 #define TXCSUM_OFF_SHIFT		16
207 #define TXCSUM_UDP			__BIT(15)
208 
209 #define	GENET_RX_DMA_RING_CFG		(GENET_RX_BASE + 0x1040 + 0x00)
210 #define	GENET_RX_DMA_CTRL		(GENET_RX_BASE + 0x1040 + 0x04)
211 #define	 GENET_RX_DMA_CTRL_RBUF_EN(qid)	__BIT((qid) + 1)
212 #define	 GENET_RX_DMA_CTRL_EN		__BIT(0)
213 #define	GENET_RX_SCB_BURST_SIZE		(GENET_RX_BASE + 0x1040 + 0x0c)
214 
215 #define	GENET_TX_DMA_RING_CFG		(GENET_TX_BASE + 0x1040 + 0x00)
216 #define	GENET_TX_DMA_CTRL		(GENET_TX_BASE + 0x1040 + 0x04)
217 #define	 GENET_TX_DMA_CTRL_RBUF_EN(qid)	__BIT((qid) + 1)
218 #define	 GENET_TX_DMA_CTRL_EN		__BIT(0)
219 #define	GENET_TX_SCB_BURST_SIZE		(GENET_TX_BASE + 0x1040 + 0x0c)
220 
221 #endif /* !_BCMGENETREG_H */
222