1 #ifndef _BGMAC_H
2 #define _BGMAC_H
3 
4 #define pr_fmt(fmt)		KBUILD_MODNAME ": " fmt
5 
6 #define bgmac_err(bgmac, fmt, ...) \
7 	dev_err(&(bgmac)->core->dev, fmt, ##__VA_ARGS__)
8 #define bgmac_warn(bgmac, fmt, ...) \
9 	dev_warn(&(bgmac)->core->dev, fmt,  ##__VA_ARGS__)
10 #define bgmac_info(bgmac, fmt, ...) \
11 	dev_info(&(bgmac)->core->dev, fmt,  ##__VA_ARGS__)
12 #define bgmac_dbg(bgmac, fmt, ...) \
13 	dev_dbg(&(bgmac)->core->dev, fmt, ##__VA_ARGS__)
14 
15 #include <linux/bcma/bcma.h>
16 #include <linux/netdevice.h>
17 
18 #define BGMAC_DEV_CTL				0x000
19 #define  BGMAC_DC_TSM				0x00000002
20 #define  BGMAC_DC_CFCO				0x00000004
21 #define  BGMAC_DC_RLSS				0x00000008
22 #define  BGMAC_DC_MROR				0x00000010
23 #define  BGMAC_DC_FCM_MASK			0x00000060
24 #define  BGMAC_DC_FCM_SHIFT			5
25 #define  BGMAC_DC_NAE				0x00000080
26 #define  BGMAC_DC_TF				0x00000100
27 #define  BGMAC_DC_RDS_MASK			0x00030000
28 #define  BGMAC_DC_RDS_SHIFT			16
29 #define  BGMAC_DC_TDS_MASK			0x000c0000
30 #define  BGMAC_DC_TDS_SHIFT			18
31 #define BGMAC_DEV_STATUS			0x004		/* Configuration of the interface */
32 #define  BGMAC_DS_RBF				0x00000001
33 #define  BGMAC_DS_RDF				0x00000002
34 #define  BGMAC_DS_RIF				0x00000004
35 #define  BGMAC_DS_TBF				0x00000008
36 #define  BGMAC_DS_TDF				0x00000010
37 #define  BGMAC_DS_TIF				0x00000020
38 #define  BGMAC_DS_PO				0x00000040
39 #define  BGMAC_DS_MM_MASK			0x00000300	/* Mode of the interface */
40 #define  BGMAC_DS_MM_SHIFT			8
41 #define BGMAC_BIST_STATUS			0x00c
42 #define BGMAC_INT_STATUS			0x020		/* Interrupt status */
43 #define  BGMAC_IS_MRO				0x00000001
44 #define  BGMAC_IS_MTO				0x00000002
45 #define  BGMAC_IS_TFD				0x00000004
46 #define  BGMAC_IS_LS				0x00000008
47 #define  BGMAC_IS_MDIO				0x00000010
48 #define  BGMAC_IS_MR				0x00000020
49 #define  BGMAC_IS_MT				0x00000040
50 #define  BGMAC_IS_TO				0x00000080
51 #define  BGMAC_IS_DESC_ERR			0x00000400	/* Descriptor error */
52 #define  BGMAC_IS_DATA_ERR			0x00000800	/* Data error */
53 #define  BGMAC_IS_DESC_PROT_ERR			0x00001000	/* Descriptor protocol error */
54 #define  BGMAC_IS_RX_DESC_UNDERF		0x00002000	/* Receive descriptor underflow */
55 #define  BGMAC_IS_RX_F_OVERF			0x00004000	/* Receive FIFO overflow */
56 #define  BGMAC_IS_TX_F_UNDERF			0x00008000	/* Transmit FIFO underflow */
57 #define  BGMAC_IS_RX				0x00010000	/* Interrupt for RX queue 0 */
58 #define  BGMAC_IS_TX0				0x01000000	/* Interrupt for TX queue 0 */
59 #define  BGMAC_IS_TX1				0x02000000	/* Interrupt for TX queue 1 */
60 #define  BGMAC_IS_TX2				0x04000000	/* Interrupt for TX queue 2 */
61 #define  BGMAC_IS_TX3				0x08000000	/* Interrupt for TX queue 3 */
62 #define  BGMAC_IS_TX_MASK			0x0f000000
63 #define  BGMAC_IS_INTMASK			0x0f01fcff
64 #define  BGMAC_IS_ERRMASK			0x0000fc00
65 #define BGMAC_INT_MASK				0x024		/* Interrupt mask */
66 #define BGMAC_GP_TIMER				0x028
67 #define BGMAC_INT_RECV_LAZY			0x100
68 #define  BGMAC_IRL_TO_MASK			0x00ffffff
69 #define  BGMAC_IRL_FC_MASK			0xff000000
70 #define  BGMAC_IRL_FC_SHIFT			24		/* Shift the number of interrupts triggered per received frame */
71 #define BGMAC_FLOW_CTL_THRESH			0x104		/* Flow control thresholds */
72 #define BGMAC_WRRTHRESH				0x108
73 #define BGMAC_GMAC_IDLE_CNT_THRESH		0x10c
74 #define BGMAC_PHY_ACCESS			0x180		/* PHY access address */
75 #define  BGMAC_PA_DATA_MASK			0x0000ffff
76 #define  BGMAC_PA_ADDR_MASK			0x001f0000
77 #define  BGMAC_PA_ADDR_SHIFT			16
78 #define  BGMAC_PA_REG_MASK			0x1f000000
79 #define  BGMAC_PA_REG_SHIFT			24
80 #define  BGMAC_PA_WRITE				0x20000000
81 #define  BGMAC_PA_START				0x40000000
82 #define BGMAC_PHY_CNTL				0x188		/* PHY control address */
83 #define  BGMAC_PC_EPA_MASK			0x0000001f
84 #define  BGMAC_PC_MCT_MASK			0x007f0000
85 #define  BGMAC_PC_MCT_SHIFT			16
86 #define  BGMAC_PC_MTE				0x00800000
87 #define BGMAC_TXQ_CTL				0x18c
88 #define  BGMAC_TXQ_CTL_DBT_MASK			0x00000fff
89 #define  BGMAC_TXQ_CTL_DBT_SHIFT		0
90 #define BGMAC_RXQ_CTL				0x190
91 #define  BGMAC_RXQ_CTL_DBT_MASK			0x00000fff
92 #define  BGMAC_RXQ_CTL_DBT_SHIFT		0
93 #define  BGMAC_RXQ_CTL_PTE			0x00001000
94 #define  BGMAC_RXQ_CTL_MDP_MASK			0x3f000000
95 #define  BGMAC_RXQ_CTL_MDP_SHIFT		24
96 #define BGMAC_GPIO_SELECT			0x194
97 #define BGMAC_GPIO_OUTPUT_EN			0x198
98 /* For 0x1e0 see BCMA_CLKCTLST */
99 #define BGMAC_HW_WAR				0x1e4
100 #define BGMAC_PWR_CTL				0x1e8
101 #define BGMAC_DMA_BASE0				0x200		/* Tx and Rx controller */
102 #define BGMAC_DMA_BASE1				0x240		/* Tx controller only */
103 #define BGMAC_DMA_BASE2				0x280		/* Tx controller only */
104 #define BGMAC_DMA_BASE3				0x2C0		/* Tx controller only */
105 #define BGMAC_TX_GOOD_OCTETS			0x300
106 #define BGMAC_TX_GOOD_OCTETS_HIGH		0x304
107 #define BGMAC_TX_GOOD_PKTS			0x308
108 #define BGMAC_TX_OCTETS				0x30c
109 #define BGMAC_TX_OCTETS_HIGH			0x310
110 #define BGMAC_TX_PKTS				0x314
111 #define BGMAC_TX_BROADCAST_PKTS			0x318
112 #define BGMAC_TX_MULTICAST_PKTS			0x31c
113 #define BGMAC_TX_LEN_64				0x320
114 #define BGMAC_TX_LEN_65_TO_127			0x324
115 #define BGMAC_TX_LEN_128_TO_255			0x328
116 #define BGMAC_TX_LEN_256_TO_511			0x32c
117 #define BGMAC_TX_LEN_512_TO_1023		0x330
118 #define BGMAC_TX_LEN_1024_TO_1522		0x334
119 #define BGMAC_TX_LEN_1523_TO_2047		0x338
120 #define BGMAC_TX_LEN_2048_TO_4095		0x33c
121 #define BGMAC_TX_LEN_4095_TO_8191		0x340
122 #define BGMAC_TX_LEN_8192_TO_MAX		0x344
123 #define BGMAC_TX_JABBER_PKTS			0x348		/* Error */
124 #define BGMAC_TX_OVERSIZE_PKTS			0x34c		/* Error */
125 #define BGMAC_TX_FRAGMENT_PKTS			0x350
126 #define BGMAC_TX_UNDERRUNS			0x354		/* Error */
127 #define BGMAC_TX_TOTAL_COLS			0x358
128 #define BGMAC_TX_SINGLE_COLS			0x35c
129 #define BGMAC_TX_MULTIPLE_COLS			0x360
130 #define BGMAC_TX_EXCESSIVE_COLS			0x364		/* Error */
131 #define BGMAC_TX_LATE_COLS			0x368		/* Error */
132 #define BGMAC_TX_DEFERED			0x36c
133 #define BGMAC_TX_CARRIER_LOST			0x370
134 #define BGMAC_TX_PAUSE_PKTS			0x374
135 #define BGMAC_TX_UNI_PKTS			0x378
136 #define BGMAC_TX_Q0_PKTS			0x37c
137 #define BGMAC_TX_Q0_OCTETS			0x380
138 #define BGMAC_TX_Q0_OCTETS_HIGH			0x384
139 #define BGMAC_TX_Q1_PKTS			0x388
140 #define BGMAC_TX_Q1_OCTETS			0x38c
141 #define BGMAC_TX_Q1_OCTETS_HIGH			0x390
142 #define BGMAC_TX_Q2_PKTS			0x394
143 #define BGMAC_TX_Q2_OCTETS			0x398
144 #define BGMAC_TX_Q2_OCTETS_HIGH			0x39c
145 #define BGMAC_TX_Q3_PKTS			0x3a0
146 #define BGMAC_TX_Q3_OCTETS			0x3a4
147 #define BGMAC_TX_Q3_OCTETS_HIGH			0x3a8
148 #define BGMAC_RX_GOOD_OCTETS			0x3b0
149 #define BGMAC_RX_GOOD_OCTETS_HIGH		0x3b4
150 #define BGMAC_RX_GOOD_PKTS			0x3b8
151 #define BGMAC_RX_OCTETS				0x3bc
152 #define BGMAC_RX_OCTETS_HIGH			0x3c0
153 #define BGMAC_RX_PKTS				0x3c4
154 #define BGMAC_RX_BROADCAST_PKTS			0x3c8
155 #define BGMAC_RX_MULTICAST_PKTS			0x3cc
156 #define BGMAC_RX_LEN_64				0x3d0
157 #define BGMAC_RX_LEN_65_TO_127			0x3d4
158 #define BGMAC_RX_LEN_128_TO_255			0x3d8
159 #define BGMAC_RX_LEN_256_TO_511			0x3dc
160 #define BGMAC_RX_LEN_512_TO_1023		0x3e0
161 #define BGMAC_RX_LEN_1024_TO_1522		0x3e4
162 #define BGMAC_RX_LEN_1523_TO_2047		0x3e8
163 #define BGMAC_RX_LEN_2048_TO_4095		0x3ec
164 #define BGMAC_RX_LEN_4095_TO_8191		0x3f0
165 #define BGMAC_RX_LEN_8192_TO_MAX		0x3f4
166 #define BGMAC_RX_JABBER_PKTS			0x3f8		/* Error */
167 #define BGMAC_RX_OVERSIZE_PKTS			0x3fc		/* Error */
168 #define BGMAC_RX_FRAGMENT_PKTS			0x400
169 #define BGMAC_RX_MISSED_PKTS			0x404		/* Error */
170 #define BGMAC_RX_CRC_ALIGN_ERRS			0x408		/* Error */
171 #define BGMAC_RX_UNDERSIZE			0x40c		/* Error */
172 #define BGMAC_RX_CRC_ERRS			0x410		/* Error */
173 #define BGMAC_RX_ALIGN_ERRS			0x414		/* Error */
174 #define BGMAC_RX_SYMBOL_ERRS			0x418		/* Error */
175 #define BGMAC_RX_PAUSE_PKTS			0x41c
176 #define BGMAC_RX_NONPAUSE_PKTS			0x420
177 #define BGMAC_RX_SACHANGES			0x424
178 #define BGMAC_RX_UNI_PKTS			0x428
179 #define BGMAC_UNIMAC_VERSION			0x800
180 #define BGMAC_HDBKP_CTL				0x804
181 #define BGMAC_CMDCFG				0x808		/* Configuration */
182 #define  BGMAC_CMDCFG_TE			0x00000001	/* Set to activate TX */
183 #define  BGMAC_CMDCFG_RE			0x00000002	/* Set to activate RX */
184 #define  BGMAC_CMDCFG_ES_MASK			0x0000000c	/* Ethernet speed see gmac_speed */
185 #define   BGMAC_CMDCFG_ES_10			0x00000000
186 #define   BGMAC_CMDCFG_ES_100			0x00000004
187 #define   BGMAC_CMDCFG_ES_1000			0x00000008
188 #define  BGMAC_CMDCFG_PROM			0x00000010	/* Set to activate promiscuous mode */
189 #define  BGMAC_CMDCFG_PAD_EN			0x00000020
190 #define  BGMAC_CMDCFG_CF			0x00000040
191 #define  BGMAC_CMDCFG_PF			0x00000080
192 #define  BGMAC_CMDCFG_RPI			0x00000100	/* Unset to enable 802.3x tx flow control */
193 #define  BGMAC_CMDCFG_TAI			0x00000200
194 #define  BGMAC_CMDCFG_HD			0x00000400	/* Set if in half duplex mode */
195 #define  BGMAC_CMDCFG_HD_SHIFT			10
196 #define  BGMAC_CMDCFG_SR			0x00000800	/* Set to reset mode */
197 #define  BGMAC_CMDCFG_ML			0x00008000	/* Set to activate mac loopback mode */
198 #define  BGMAC_CMDCFG_AE			0x00400000
199 #define  BGMAC_CMDCFG_CFE			0x00800000
200 #define  BGMAC_CMDCFG_NLC			0x01000000
201 #define  BGMAC_CMDCFG_RL			0x02000000
202 #define  BGMAC_CMDCFG_RED			0x04000000
203 #define  BGMAC_CMDCFG_PE			0x08000000
204 #define  BGMAC_CMDCFG_TPI			0x10000000
205 #define  BGMAC_CMDCFG_AT			0x20000000
206 #define BGMAC_MACADDR_HIGH			0x80c		/* High 4 octets of own mac address */
207 #define BGMAC_MACADDR_LOW			0x810		/* Low 2 octets of own mac address */
208 #define BGMAC_RXMAX_LENGTH			0x814		/* Max receive frame length with vlan tag */
209 #define BGMAC_PAUSEQUANTA			0x818
210 #define BGMAC_MAC_MODE				0x844
211 #define BGMAC_OUTERTAG				0x848
212 #define BGMAC_INNERTAG				0x84c
213 #define BGMAC_TXIPG				0x85c
214 #define BGMAC_PAUSE_CTL				0xb30
215 #define BGMAC_TX_FLUSH				0xb34
216 #define BGMAC_RX_STATUS				0xb38
217 #define BGMAC_TX_STATUS				0xb3c
218 
219 #define BGMAC_PHY_CTL				0x00
220 #define  BGMAC_PHY_CTL_SPEED_MSB		0x0040
221 #define  BGMAC_PHY_CTL_DUPLEX			0x0100		/* duplex mode */
222 #define  BGMAC_PHY_CTL_RESTART			0x0200		/* restart autonegotiation */
223 #define  BGMAC_PHY_CTL_ANENAB			0x1000		/* enable autonegotiation */
224 #define  BGMAC_PHY_CTL_SPEED			0x2000
225 #define  BGMAC_PHY_CTL_LOOP			0x4000		/* loopback */
226 #define  BGMAC_PHY_CTL_RESET			0x8000		/* reset */
227 /* Helpers */
228 #define  BGMAC_PHY_CTL_SPEED_10			0
229 #define  BGMAC_PHY_CTL_SPEED_100		BGMAC_PHY_CTL_SPEED
230 #define  BGMAC_PHY_CTL_SPEED_1000		BGMAC_PHY_CTL_SPEED_MSB
231 #define BGMAC_PHY_ADV				0x04
232 #define  BGMAC_PHY_ADV_10HALF			0x0020		/* advertise 10MBits/s half duplex */
233 #define  BGMAC_PHY_ADV_10FULL			0x0040		/* advertise 10MBits/s full duplex */
234 #define  BGMAC_PHY_ADV_100HALF			0x0080		/* advertise 100MBits/s half duplex */
235 #define  BGMAC_PHY_ADV_100FULL			0x0100		/* advertise 100MBits/s full duplex */
236 #define BGMAC_PHY_ADV2				0x09
237 #define  BGMAC_PHY_ADV2_1000HALF		0x0100		/* advertise 1000MBits/s half duplex */
238 #define  BGMAC_PHY_ADV2_1000FULL		0x0200		/* advertise 1000MBits/s full duplex */
239 
240 /* BCMA GMAC core specific IO Control (BCMA_IOCTL) flags */
241 #define BGMAC_BCMA_IOCTL_SW_CLKEN		0x00000004	/* PHY Clock Enable */
242 #define BGMAC_BCMA_IOCTL_SW_RESET		0x00000008	/* PHY Reset */
243 
244 /* BCMA GMAC core specific IO status (BCMA_IOST) flags */
245 #define BGMAC_BCMA_IOST_ATTACHED		0x00000800
246 
247 #define BGMAC_NUM_MIB_TX_REGS	\
248 		(((BGMAC_TX_Q3_OCTETS_HIGH - BGMAC_TX_GOOD_OCTETS) / 4) + 1)
249 #define BGMAC_NUM_MIB_RX_REGS	\
250 		(((BGMAC_RX_UNI_PKTS - BGMAC_RX_GOOD_OCTETS) / 4) + 1)
251 
252 #define BGMAC_DMA_TX_CTL			0x00
253 #define  BGMAC_DMA_TX_ENABLE			0x00000001
254 #define  BGMAC_DMA_TX_SUSPEND			0x00000002
255 #define  BGMAC_DMA_TX_LOOPBACK			0x00000004
256 #define  BGMAC_DMA_TX_FLUSH			0x00000010
257 #define  BGMAC_DMA_TX_PARITY_DISABLE		0x00000800
258 #define  BGMAC_DMA_TX_ADDREXT_MASK		0x00030000
259 #define  BGMAC_DMA_TX_ADDREXT_SHIFT		16
260 #define BGMAC_DMA_TX_INDEX			0x04
261 #define BGMAC_DMA_TX_RINGLO			0x08
262 #define BGMAC_DMA_TX_RINGHI			0x0C
263 #define BGMAC_DMA_TX_STATUS			0x10
264 #define  BGMAC_DMA_TX_STATDPTR			0x00001FFF
265 #define  BGMAC_DMA_TX_STAT			0xF0000000
266 #define   BGMAC_DMA_TX_STAT_DISABLED		0x00000000
267 #define   BGMAC_DMA_TX_STAT_ACTIVE		0x10000000
268 #define   BGMAC_DMA_TX_STAT_IDLEWAIT		0x20000000
269 #define   BGMAC_DMA_TX_STAT_STOPPED		0x30000000
270 #define   BGMAC_DMA_TX_STAT_SUSP		0x40000000
271 #define BGMAC_DMA_TX_ERROR			0x14
272 #define  BGMAC_DMA_TX_ERRDPTR			0x0001FFFF
273 #define  BGMAC_DMA_TX_ERR			0xF0000000
274 #define   BGMAC_DMA_TX_ERR_NOERR		0x00000000
275 #define   BGMAC_DMA_TX_ERR_PROT			0x10000000
276 #define   BGMAC_DMA_TX_ERR_UNDERRUN		0x20000000
277 #define   BGMAC_DMA_TX_ERR_TRANSFER		0x30000000
278 #define   BGMAC_DMA_TX_ERR_DESCREAD		0x40000000
279 #define   BGMAC_DMA_TX_ERR_CORE			0x50000000
280 #define BGMAC_DMA_RX_CTL			0x20
281 #define  BGMAC_DMA_RX_ENABLE			0x00000001
282 #define  BGMAC_DMA_RX_FRAME_OFFSET_MASK		0x000000FE
283 #define  BGMAC_DMA_RX_FRAME_OFFSET_SHIFT	1
284 #define  BGMAC_DMA_RX_DIRECT_FIFO		0x00000100
285 #define  BGMAC_DMA_RX_OVERFLOW_CONT		0x00000400
286 #define  BGMAC_DMA_RX_PARITY_DISABLE		0x00000800
287 #define  BGMAC_DMA_RX_ADDREXT_MASK		0x00030000
288 #define  BGMAC_DMA_RX_ADDREXT_SHIFT		16
289 #define BGMAC_DMA_RX_INDEX			0x24
290 #define BGMAC_DMA_RX_RINGLO			0x28
291 #define BGMAC_DMA_RX_RINGHI			0x2C
292 #define BGMAC_DMA_RX_STATUS			0x30
293 #define  BGMAC_DMA_RX_STATDPTR			0x00001FFF
294 #define  BGMAC_DMA_RX_STAT			0xF0000000
295 #define   BGMAC_DMA_RX_STAT_DISABLED		0x00000000
296 #define   BGMAC_DMA_RX_STAT_ACTIVE		0x10000000
297 #define   BGMAC_DMA_RX_STAT_IDLEWAIT		0x20000000
298 #define   BGMAC_DMA_RX_STAT_STOPPED		0x30000000
299 #define   BGMAC_DMA_RX_STAT_SUSP		0x40000000
300 #define BGMAC_DMA_RX_ERROR			0x34
301 #define  BGMAC_DMA_RX_ERRDPTR			0x0001FFFF
302 #define  BGMAC_DMA_RX_ERR			0xF0000000
303 #define   BGMAC_DMA_RX_ERR_NOERR		0x00000000
304 #define   BGMAC_DMA_RX_ERR_PROT			0x10000000
305 #define   BGMAC_DMA_RX_ERR_UNDERRUN		0x20000000
306 #define   BGMAC_DMA_RX_ERR_TRANSFER		0x30000000
307 #define   BGMAC_DMA_RX_ERR_DESCREAD		0x40000000
308 #define   BGMAC_DMA_RX_ERR_CORE			0x50000000
309 
310 #define BGMAC_DESC_CTL0_EOT			0x10000000	/* End of ring */
311 #define BGMAC_DESC_CTL0_IOC			0x20000000	/* IRQ on complete */
312 #define BGMAC_DESC_CTL0_SOF			0x40000000	/* Start of frame */
313 #define BGMAC_DESC_CTL0_EOF			0x80000000	/* End of frame */
314 #define BGMAC_DESC_CTL1_LEN			0x00001FFF
315 
316 #define BGMAC_PHY_NOREGS			0x1E
317 #define BGMAC_PHY_MASK				0x1F
318 
319 #define BGMAC_MAX_TX_RINGS			4
320 #define BGMAC_MAX_RX_RINGS			1
321 
322 #define BGMAC_TX_RING_SLOTS			128
323 #define BGMAC_RX_RING_SLOTS			512 - 1		/* Why -1? Well, Broadcom does that... */
324 
325 #define BGMAC_RX_HEADER_LEN			28		/* Last 24 bytes are unused. Well... */
326 #define BGMAC_RX_FRAME_OFFSET			30		/* There are 2 unused bytes between header and real data */
327 #define BGMAC_RX_MAX_FRAME_SIZE			1536		/* Copied from b44/tg3 */
328 #define BGMAC_RX_BUF_SIZE			(BGMAC_RX_FRAME_OFFSET + BGMAC_RX_MAX_FRAME_SIZE)
329 
330 #define BGMAC_BFL_ENETROBO			0x0010		/* has ephy roboswitch spi */
331 #define BGMAC_BFL_ENETADM			0x0080		/* has ADMtek switch */
332 #define BGMAC_BFL_ENETVLAN			0x0100		/* can do vlan */
333 
334 #define BGMAC_CHIPCTL_1_IF_TYPE_MASK		0x00000030
335 #define BGMAC_CHIPCTL_1_IF_TYPE_RMII		0x00000000
336 #define BGMAC_CHIPCTL_1_IF_TYPE_MII		0x00000010
337 #define BGMAC_CHIPCTL_1_IF_TYPE_RGMII		0x00000020
338 #define BGMAC_CHIPCTL_1_SW_TYPE_MASK		0x000000C0
339 #define BGMAC_CHIPCTL_1_SW_TYPE_EPHY		0x00000000
340 #define BGMAC_CHIPCTL_1_SW_TYPE_EPHYMII		0x00000040
341 #define BGMAC_CHIPCTL_1_SW_TYPE_EPHYRMII	0x00000080
342 #define BGMAC_CHIPCTL_1_SW_TYPE_RGMII		0x000000C0
343 #define BGMAC_CHIPCTL_1_RXC_DLL_BYPASS		0x00010000
344 
345 #define BGMAC_SPEED_10				0x0001
346 #define BGMAC_SPEED_100				0x0002
347 #define BGMAC_SPEED_1000			0x0004
348 
349 #define BGMAC_WEIGHT	64
350 
351 #define ETHER_MAX_LEN   1518
352 
353 struct bgmac_slot_info {
354 	struct sk_buff *skb;
355 	dma_addr_t dma_addr;
356 };
357 
358 struct bgmac_dma_desc {
359 	__le32 ctl0;
360 	__le32 ctl1;
361 	__le32 addr_low;
362 	__le32 addr_high;
363 } __packed;
364 
365 enum bgmac_dma_ring_type {
366 	BGMAC_DMA_RING_TX,
367 	BGMAC_DMA_RING_RX,
368 };
369 
370 /**
371  * bgmac_dma_ring - contains info about DMA ring (either TX or RX one)
372  * @start: index of the first slot containing data
373  * @end: index of a slot that can *not* be read (yet)
374  *
375  * Be really aware of the specific @end meaning. It's an index of a slot *after*
376  * the one containing data that can be read. If @start equals @end the ring is
377  * empty.
378  */
379 struct bgmac_dma_ring {
380 	u16 num_slots;
381 	u16 start;
382 	u16 end;
383 
384 	u16 mmio_base;
385 	struct bgmac_dma_desc *cpu_base;
386 	dma_addr_t dma_base;
387 	u32 index_base; /* Used for unaligned rings only, otherwise 0 */
388 	bool unaligned;
389 
390 	struct bgmac_slot_info slots[BGMAC_RX_RING_SLOTS];
391 };
392 
393 struct bgmac_rx_header {
394 	__le16 len;
395 	__le16 flags;
396 	__le16 pad[12];
397 };
398 
399 struct bgmac {
400 	struct bcma_device *core;
401 	struct bcma_device *cmn; /* Reference to CMN core for BCM4706 */
402 	struct net_device *net_dev;
403 	struct napi_struct napi;
404 	struct mii_bus *mii_bus;
405 
406 	/* DMA */
407 	struct bgmac_dma_ring tx_ring[BGMAC_MAX_TX_RINGS];
408 	struct bgmac_dma_ring rx_ring[BGMAC_MAX_RX_RINGS];
409 
410 	/* Stats */
411 	bool stats_grabbed;
412 	u32 mib_tx_regs[BGMAC_NUM_MIB_TX_REGS];
413 	u32 mib_rx_regs[BGMAC_NUM_MIB_RX_REGS];
414 
415 	/* Int */
416 	u32 int_mask;
417 	u32 int_status;
418 
419 	/* Speed-related */
420 	int speed;
421 	bool autoneg;
422 	bool full_duplex;
423 
424 	u8 phyaddr;
425 	bool has_robosw;
426 
427 	bool loopback;
428 };
429 
430 static inline u32 bgmac_read(struct bgmac *bgmac, u16 offset)
431 {
432 	return bcma_read32(bgmac->core, offset);
433 }
434 
435 static inline void bgmac_write(struct bgmac *bgmac, u16 offset, u32 value)
436 {
437 	bcma_write32(bgmac->core, offset, value);
438 }
439 
440 static inline void bgmac_maskset(struct bgmac *bgmac, u16 offset, u32 mask,
441 				   u32 set)
442 {
443 	bgmac_write(bgmac, offset, (bgmac_read(bgmac, offset) & mask) | set);
444 }
445 
446 static inline void bgmac_mask(struct bgmac *bgmac, u16 offset, u32 mask)
447 {
448 	bgmac_maskset(bgmac, offset, mask, 0);
449 }
450 
451 static inline void bgmac_set(struct bgmac *bgmac, u16 offset, u32 set)
452 {
453 	bgmac_maskset(bgmac, offset, ~0, set);
454 }
455 
456 #endif /* _BGMAC_H */
457