RTEMS 6.1-rc2
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GT64260ethreg.h
1/* $NetBSD: GT64260ethreg.h,v 1.2 2003/03/17 16:41:16 matt Exp $ */
2
3/*
4 * Copyright (c) 2002 Allegro Networks, Inc., Wasabi Systems, Inc.
5 * All rights reserved.
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
9 * are met:
10 * 1. Redistributions of source code must retain the above copyright
11 * notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 * notice, this list of conditions and the following disclaimer in the
14 * documentation and/or other materials provided with the distribution.
15 * 3. All advertising materials mentioning features or use of this software
16 * must display the following acknowledgement:
17 * This product includes software developed for the NetBSD Project by
18 * Allegro Networks, Inc., and Wasabi Systems, Inc.
19 * 4. The name of Allegro Networks, Inc. may not be used to endorse
20 * or promote products derived from this software without specific prior
21 * written permission.
22 * 5. The name of Wasabi Systems, Inc. may not be used to endorse
23 * or promote products derived from this software without specific prior
24 * written permission.
25 *
26 * THIS SOFTWARE IS PROVIDED BY ALLEGRO NETWORKS, INC. AND
27 * WASABI SYSTEMS, INC. ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES,
28 * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY
29 * AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
30 * IN NO EVENT SHALL EITHER ALLEGRO NETWORKS, INC. OR WASABI SYSTEMS, INC.
31 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
32 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
33 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
34 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
35 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
36 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
37 * POSSIBILITY OF SUCH DAMAGE.
38 */
39
40#ifndef _DEV_GTETHREG_H_
41#define _DEV_GTETHREG_H_
42
43#define ETH__BIT(bit) (1U << (bit))
44#define ETH__LLBIT(bit) (1ULL << (bit))
45#define ETH__MASK(bit) (ETH__BIT(bit) - 1)
46#define ETH__LLMASK(bit) (ETH__LLBIT(bit) - 1)
47#define ETH__GEN(n, off) (0x2400+((n) << 10)+(ETH__ ## off))
48#define ETH__EXT(data, bit, len) (((data) >> (bit)) & ETH__MASK(len))
49#define ETH__LLEXT(data, bit, len) (((data) >> (bit)) & ETH__LLMASK(len))
50#define ETH__CLR(data, bit, len) ((data) &= ~(ETH__MASK(len) << (bit)))
51#define ETH__INS(new, bit) ((new) << (bit))
52#define ETH__LLINS(new, bit) ((unsigned long long)(new) << (bit))
53
54/*
55 * Descriptors used for both receive & transmit data. Note that the descriptor
56 * must start on a 4LW boundary. Since the GT accesses the descriptor as
57 * two 64-bit quantities, we must present them 32bit quantities in the right
58 * order based on endianess.
59 */
60
61struct GTeth_desc {
62#if defined(BYTE_ORDER) && BYTE_ORDER == BIG_ENDIAN /* for mvme5500 */
63 unsigned ed_lencnt; /* Buffer size is hi 16 bits; Byte count (rx) is lo 16 */
64 unsigned ed_cmdsts; /* command (hi16)/status (lo16) bits */
65 unsigned ed_nxtptr; /* next descriptor (must be 4LW aligned) */
66 unsigned ed_bufptr; /* pointer to packet buffer */
67#endif
68#if defined(BYTE_ORDER) && BYTE_ORDER == LITTLE_ENDIAN
69 unsigned ed_cmdsts; /* command (hi16)/status (lo16) bits */
70 unsigned ed_lencnt; /* length is hi 16 bits; count (rx) is lo 16 */
71 unsigned ed_bufptr; /* pointer to packet buffer */
72 unsigned ed_nxtptr; /* next descriptor (must be 4LW aligned) */
73#endif
74};
75
76/* Ethernet 0 address control (Low), Offset: 0xf200 */
77#define RxBSnoopEn ETH__BIT(6) /* Rx buffer snoop enable,1=enable*/
78#define TxBSnoopEn ETH__BIT(14) /* Tx buffer snoop enable */
79#define RxDSnoopEn ETH__BIT(22) /* Rx descriptor snoop enable */
80#define TxDSnoopEn ETH__BIT(30) /* Tx descriptor snoop enable */
81
82/* Ethernet 0 address control (High), Offset: 0xf204 */
83#define HashSnoopEn ETH__BIT(6) /* Hash Table snoop enable */
84
85/* <skf> */
86#define GT_CUU_Eth0_AddrCtrlLow 0xf200
87#define GT_CUU_Eth0_AddrCtrlHigh 0xf204
88
89/* Table 578: Ethernet TX Descriptor - Command/Status word
90 * All bits except F, EI, AM, O are only valid if TX_CMD_L is also set,
91 * otherwise should be 0 (tx).
92 */
93
94#define TX_STS_LC ETH__BIT(5) /* Late Collision */
95#define TX_STS_UR ETH__BIT(6) /* Underrun error */
96#define TX_STS_RL ETH__BIT(8) /* Retransmit Limit (excession coll) */
97#define TX_STS_COL ETH__BIT(9) /* Collision Occurred */
98#define TX_STS_RC(v) ETH__GETBITS(v, 10, 4) /* Retransmit Count */
99#define TX_STS_ES ETH__BIT(15) /* Error Summary (LC|UR|RL) */
100#define TX_CMD_L ETH__BIT(16) /* Last - End Of Packet */
101#define TX_CMD_F ETH__BIT(17) /* First - Start Of Packet */
102#define TX_CMD_P ETH__BIT(18) /* Pad Packet */
103#define TX_CMD_GC ETH__BIT(22) /* Generate CRC */
104#define TX_CMD_EI ETH__BIT(23) /* Enable Interrupt */
105#define TX_CMD_AM ETH__BIT(30) /* Auto Mode */
106#define TX_CMD_O ETH__BIT(31) /* Ownership (1=GT 0=CPU) */
107
108#define TX_CMD_FIRST (TX_CMD_F|TX_CMD_O)
109#define TX_CMD_LAST (TX_CMD_L|TX_CMD_GC|TX_CMD_P|TX_CMD_O)
110
111/* Table 608: Ethernet RX Descriptor - Command/Status Word
112 * All bits except F, EI, AM, O are only valid if RX_CMD_L is also set,
113 * otherwise should be ignored (rx).
114 */
115#define RX_STS_CE ETH__BIT(0) /* CRC Error */
116#define RX_STS_COL ETH__BIT(1) /* Collision sensed during reception */
117#define RX_STS_LC ETH__BIT(5) /* Late Collision (Reserved) */
118#define RX_STS_OR ETH__BIT(6) /* Overrun Error */
119#define RX_STS_MFL ETH__BIT(7) /* Max Frame Len Error */
120#define RX_STS_SF ETH__BIT(8) /* Short Frame Error (< 64 bytes) */
121#define RX_STS_FT ETH__BIT(11) /* Frame Type (1 = 802.3) */
122#define RX_STS_M ETH__BIT(12) /* Missed Frame */
123#define RX_STS_HE ETH__BIT(13) /* Hash Expired (manual match) */
124#define RX_STS_IGMP ETH__BIT(14) /* IGMP Packet */
125#define RX_STS_ES ETH__BIT(15) /* Error Summary (CE|COL|LC|OR|MFL|SF) */
126#define RX_CMD_L ETH__BIT(16) /* Last - End Of Packet */
127#define RX_CMD_F ETH__BIT(17) /* First - Start Of Packet */
128#define RX_CMD_EI ETH__BIT(23) /* Enable Interrupt */
129#define RX_CMD_AM ETH__BIT(30) /* Auto Mode */
130#define RX_CMD_O ETH__BIT(31) /* Ownership (1=GT 0=CPU) */
131
132/* Table 586: Hash Table Entry Fields
133 */
134#define HSH_V ETH__LLBIT(0) /* Entry is valid */
135#define HSH_S ETH__LLBIT(1) /* Skip this entry */
136#define HSH_RD ETH__LLBIT(2) /* Receive(1) / Discard (0) */
137#define HSH_R ETH__LLBIT(2) /* Receive(1) */
138#define HSH_PRIO_GET(v) ETH__LLEXT(v, 51, 2)
139#define HSH_PRIO_INS(v) ETH__LLINS(v, 51)
140#define HSH_ADDR_MASK 0x7fffff8LLU
141#define HSH_LIMIT 12
142
143
144#define ETH_EPAR 0x2000 /* PHY Address Register */
145#define ETH_ESMIR 0x2010 /* SMI Register */
146
147#define ETH_BASE_ETH0 0x2400 /* Ethernet0 Register Base */
148#define ETH_BASE_ETH1 0x2800 /* Ethernet1 Register Base */
149#define ETH_BASE_ETH2 0x2c00 /* Ethernet2 Register Base */
150#define ETH_SIZE 0x0400 /* Register Space */
151
152#define ETH__EBASE 0x0000 /* Base of Registers */
153#define ETH__EPCR 0x0000 /* Port Config. Register */
154#define ETH__EPCXR 0x0008 /* Port Config. Extend Reg */
155#define ETH__EPCMR 0x0010 /* Port Command Register */
156#define ETH__EPSR 0x0018 /* Port Status Register */
157#define ETH__ESPR 0x0020 /* Port Serial Parameters Reg */
158#define ETH__EHTPR 0x0028 /* Port Hash Table Pointer Reg*/
159#define ETH__EFCSAL 0x0030 /* Flow Control Src Addr Low */
160#define ETH__EFCSAH 0x0038 /* Flow Control Src Addr High */
161#define ETH__ESDCR 0x0040 /* SDMA Configuration Reg */
162#define ETH__ESDCMR 0x0048 /* SDMA Command Register */
163#define ETH__EICR 0x0050 /* Interrupt Cause Register */
164#define ETH__EIMR 0x0058 /* Interrupt Mask Register */
165#define ETH__EFRDP0 0x0080 /* First Rx Desc Pointer 0 */
166#define ETH__EFRDP1 0x0084 /* First Rx Desc Pointer 1 */
167#define ETH__EFRDP2 0x0088 /* First Rx Desc Pointer 2 */
168#define ETH__EFRDP3 0x008c /* First Rx Desc Pointer 3 */
169#define ETH__ECRDP0 0x00a0 /* Current Rx Desc Pointer 0 */
170#define ETH__ECRDP1 0x00a4 /* Current Rx Desc Pointer 1 */
171#define ETH__ECRDP2 0x00a8 /* Current Rx Desc Pointer 2 */
172#define ETH__ECRDP3 0x00ac /* Current Rx Desc Pointer 3 */
173#define ETH__ECTDP0 0x00e0 /* Current Tx Desc Pointer 0 */
174#define ETH__ECTDP1 0x00e4 /* Current Tx Desc Pointer 1 */
175#define ETH__EDSCP2P0L 0x0060 /* IP Differentiated Services
176 CodePoint to Priority0 low */
177#define ETH__EDSCP2P0H 0x0064 /* IP Differentiated Services
178 CodePoint to Priority0 high*/
179#define ETH__EDSCP2P1L 0x0068 /* IP Differentiated Services
180 CodePoint to Priority1 low */
181#define ETH__EDSCP2P1H 0x006c /* IP Differentiated Services
182 CodePoint to Priority1 high*/
183#define ETH__EVPT2P 0x0068 /* VLAN Prio. Tag to Priority */
184#define ETH__EMIBCTRS 0x0100 /* MIB Counters */
185
186/* SKF : we are only concerned with the Ethernet0 for the mvme5500 board */
187#define ETH0_EBASE 0x2400 /* Base of Registers */
188#define ETH0_EPCR 0x2400 /* Port Config. Register */
189#define ETH0_EPCXR 0x2408 /* Port Config. Extend Reg */
190#define ETH0_EPCMR 0x2410 /* Port Command Register */
191#define ETH0_EPSR 0x2418 /* Port Status Register */
192#define ETH0_ESPR 0x2420 /* Port Serial Parameters Reg */
193#define ETH0_EHTPR 0x2428 /* Port Hash Table Pointer Reg*/
194#define ETH0_EFCSAL 0x2430 /* Flow Control Src Addr Low */
195#define ETH0_EFCSAH 0x2438 /* Flow Control Src Addr High */
196#define ETH0_ESDCR 0x2440 /* SDMA Configuration Reg */
197#define ETH0_ESDCMR 0x2448 /* SDMA Command Register */
198#define ETH0_EICR 0x2450 /* Interrupt Cause Register */
199#define ETH0_EIMR 0x2458 /* Interrupt Mask Register */
200#define ETH0_EFRDP0 0x2480 /* First Rx Desc Pointer 0 */
201#define ETH0_EFRDP1 0x2484 /* First Rx Desc Pointer 1 */
202#define ETH0_EFRDP2 0x2488 /* First Rx Desc Pointer 2 */
203#define ETH0_EFRDP3 0x248c /* First Rx Desc Pointer 3 */
204#define ETH0_ECRDP0 0x24a0 /* Current Rx Desc Pointer 0 */
205#define ETH0_ECRDP1 0x24a4 /* Current Rx Desc Pointer 1 */
206#define ETH0_ECRDP2 0x24a8 /* Current Rx Desc Pointer 2 */
207#define ETH0_ECRDP3 0x24ac /* Current Rx Desc Pointer 3 */
208#define ETH0_ECTDP0 0x24e0 /* Current Tx Desc Pointer 0 */
209#define ETH0_ECTDP1 0x24e4 /* Current Tx Desc Pointer 1 */
210#define ETH0_EDSCP2P0L 0x2460 /* IP Differentiated Services
211 CodePoint to Priority0 low */
212#define ETH0_EDSCP2P0H 0x2464 /* IP Differentiated Services
213 CodePoint to Priority0 high*/
214#define ETH0_EDSCP2P1L 0x2468 /* IP Differentiated Services
215 CodePoint to Priority1 low */
216#define ETH0_EDSCP2P1H 0x246c /* IP Differentiated Services
217 CodePoint to Priority1 high*/
218#define ETH0_EVPT2P 0x2468 /* VLAN Prio. Tag to Priority */
219#define ETH0_EMIBCTRS 0x2500 /* MIB Counters */
220
221#define ETH_BASE(n) ETH__GEN(n, EBASE)
222#define ETH_EPCR(n) ETH__GEN(n, EPCR) /* Port Config. Register */
223#define ETH_EPCXR(n) ETH__GEN(n, EPCXR) /* Port Config. Extend Reg */
224#define ETH_EPCMR(n) ETH__GEN(n, EPCMR) /* Port Command Register */
225#define ETH_EPSR(n) ETH__GEN(n, EPSR) /* Port Status Register */
226#define ETH_ESPR(n) ETH__GEN(n, ESPR) /* Port Serial Parameters Reg */
227#define ETH_EHTPR(n) ETH__GEN(n, EHPTR) /* Port Hash Table Pointer Reg*/
228#define ETH_EFCSAL(n) ETH__GEN(n, EFCSAL) /* Flow Control Src Addr Low */
229#define ETH_EFCSAH(n) ETH__GEN(n, EFCSAH) /* Flow Control Src Addr High */
230#define ETH_ESDCR(n) ETH__GEN(n, ESDCR) /* SDMA Configuration Reg */
231#define ETH_ESDCMR(n) ETH__GEN(n, ESDCMR) /* SDMA Command Register */
232#define ETH_EICR(n) ETH__GEN(n, EICR) /* Interrupt Cause Register */
233#define ETH_EIMR(n) ETH__GEN(n, EIMR) /* Interrupt Mask Register */
234#define ETH_EFRDP0(n) ETH__GEN(n, EFRDP0) /* First Rx Desc Pointer 0 */
235#define ETH_EFRDP1(n) ETH__GEN(n, EFRDP1) /* First Rx Desc Pointer 1 */
236#define ETH_EFRDP2(n) ETH__GEN(n, EFRDP2) /* First Rx Desc Pointer 2 */
237#define ETH_EFRDP3(n) ETH__GEN(n, EFRDP3) /* First Rx Desc Pointer 3 */
238#define ETH_ECRDP0(n) ETH__GEN(n, ECRDP0) /* Current Rx Desc Pointer 0 */
239#define ETH_ECRDP1(n) ETH__GEN(n, ECRDP1) /* Current Rx Desc Pointer 1 */
240#define ETH_ECRDP2(n) ETH__GEN(n, ECRDP2) /* Current Rx Desc Pointer 2 */
241#define ETH_ECRDP3(n) ETH__GEN(n, ECRDP3) /* Current Rx Desc Pointer 3 */
242#define ETH_ECTDP0(n) ETH__GEN(n, ECTDP0) /* Current Tx Desc Pointer 0 */
243#define ETH_ECTDP1(n) ETH__GEN(n, ECTDP1) /* Current Tx Desc Pointer 1 */
244#define ETH_EDSCP2P0L(n) ETH__GEN(n, EDSCP2P0L) /* IP Differentiated Services
245 CodePoint to Priority0 low */
246#define ETH_EDSCP2P0H(n) ETH__GEN(n, EDSCP2P0H) /* IP Differentiated Services
247 CodePoint to Priority0 high*/
248#define ETH_EDSCP2P1L(n) ETH__GEN(n, EDSCP2P1L) /* IP Differentiated Services
249 CodePoint to Priority1 low */
250#define ETH_EDSCP2P1H(n) ETH__GEN(n, EDSCP1P1H) /* IP Differentiated Services
251 CodePoint to Priority1 high*/
252#define ETH_EVPT2P(n) ETH__GEN(n, EVPT2P) /* VLAN Prio. Tag to Priority */
253#define ETH_EMIBCTRS(n) ETH__GEN(n, EMIBCTRS) /* MIB Counters */
254
255#define ETH_EPAR_PhyAD_GET(v, n) (((v) >> ((n) * 5)) & 0x1f)
256
257#define ETH_ESMIR_READ(phy, reg) (ETH__INS(phy, 16)|\
258 ETH__INS(reg, 21)|\
259 ETH_ESMIR_ReadOpcode)
260#define ETH_ESMIR_WRITE(phy, reg, val) (ETH__INS(phy, 16)|\
261 ETH__INS(reg, 21)|\
262 ETH__INS(val, 0)|\
263 ETH_ESMIR_WriteOpcode)
264#define ETH_ESMIR_Value_GET(v) ETH__EXT(v, 0, 16)
265#define ETH_ESMIR_WriteOpcode 0
266#define ETH_ESMIR_ReadOpcode ETH__BIT(26)
267#define ETH_ESMIR_ReadValid ETH__BIT(27)
268#define ETH_ESMIR_Busy ETH__BIT(28)
269
270/*
271 * Table 597: Port Configuration Register (PCR)
272 * 00:00 PM Promiscuous mode
273 * 0: Normal mode (Frames are only received if the
274 * destination address is found in the hash
275 * table)
276 * 1: Promiscuous mode (Frames are received
277 * regardless of their destination address.
278 * Errored frames are discarded unless the Port
279 * Configuration register's PBF bit is set)
280 * 01:01 RBM Reject Broadcast Mode
281 * 0: Receive broadcast address
282 * 1: Reject frames with broadcast address
283 * Overridden by the promiscuous mode.
284 * 02:02 PBF Pass Bad Frames
285 * (0: Normal mode, 1: Pass bad Frames)
286 * The Ethernet receiver passes to the CPU errored
287 * frames (like fragments and collided packets)
288 * that are normally rejected.
289 * NOTE: Frames are only passed if they
290 * successfully pass address filtering.
291 * 06:03 Reserved
292 * 07:07 EN Enable (0: Disabled, 1: Enable)
293 * When enabled, the ethernet port is ready to
294 * transmit/receive.
295 * 09:08 LPBK Loop Back Mode
296 * 00: Normal mode
297 * 01: Internal loop back mode (TX data is looped
298 * back to the RX lines. No transition is seen
299 * on the interface pins)
300 * 10: External loop back mode (TX data is looped
301 * back to the RX lines and also transmitted
302 * out to the MII interface pins)
303 * 11: Reserved
304 * 10:10 FC Force Collision
305 * 0: Normal mode.
306 * 1: Force Collision on any TX frame.
307 * For RXM test (in Loopback mode).
308 * 11:11 Reserved.
309 * 12:12 HS Hash Size
310 * 0: 8K address filtering
311 * (256KB of memory space required).
312 * 1: 512 address filtering
313 * ( 16KB of memory space required).
314 * 13:13 HM Hash Mode (0: Hash Func. 0; 1: Hash Func. 1)
315 * 14:14 HDM Hash Default Mode
316 * 0: Discard addresses not found in address table
317 * 1: Pass addresses not found in address table
318 * 15:15 HD Duplex Mode (0: Half Duplex, 1: Full Duplex)
319 * NOTE: Valid only when auto-negotiation for
320 * duplex mode is disabled.
321 * 30:16 Reserved
322 * 31:31 ACCS Accelerate Slot Time
323 * (0: Normal mode, 1: Reserved)
324 */
325#define ETH_EPCR_PM ETH__BIT(0)
326#define ETH_EPCR_RBM ETH__BIT(1)
327#define ETH_EPCR_PBF ETH__BIT(2)
328#define ETH_EPCR_EN ETH__BIT(7)
329#define ETH_EPCR_LPBK_GET(v) ETH__BIT(v, 8, 2)
330#define ETH_EPCR_LPBK_Normal 0
331#define ETH_EPCR_LPBK_Internal 1
332#define ETH_EPCR_LPBK_External 2
333#define ETH_EPCR_FC ETH__BIT(10)
334
335#define ETH_EPCR_HS ETH__BIT(12)
336#define ETH_EPCR_HS_8K 0
337#define ETH_EPCR_HS_512 ETH_EPCR_HS
338
339#define ETH_EPCR_HM ETH__BIT(13)
340#define ETH_EPCR_HM_0 0
341#define ETH_EPCR_HM_1 ETH_EPCR_HM
342
343#define ETH_EPCR_HDM ETH__BIT(14)
344#define ETH_EPCR_HDM_Discard 0
345#define ETH_EPCR_HDM_Pass ETH_EPCR_HDM
346
347#define ETH_EPCR_HD_Half 0
348#define ETH_EPCR_HD_Full ETH_EPCR_HD_Full
349
350#define ETH_EPCR_ACCS ETH__BIT(31)
351
352
353
354/*
355 * Table 598: Port Configuration Extend Register (PCXR)
356 * 00:00 IGMP IGMP Packets Capture Enable
357 * 0: IGMP packets are treated as normal Multicast
358 * packets.
359 * 1: IGMP packets on IPv4/Ipv6 over Ethernet/802.3
360 * are trapped and sent to high priority RX
361 * queue.
362 * 01:01 SPAN Spanning Tree Packets Capture Enable
363 * 0: BPDU (Bridge Protocol Data Unit) packets are
364 * treated as normal Multicast packets.
365 * 1: BPDU packets are trapped and sent to high
366 * priority RX queue.
367 * 02:02 PAR Partition Enable (0: Normal, 1: Partition)
368 * When more than 61 collisions occur while
369 * transmitting, the port enters Partition mode.
370 * It waits for the first good packet from the
371 * wire and then goes back to Normal mode. Under
372 * Partition mode it continues transmitting, but
373 * it does not receive.
374 * 05:03 PRIOtx Priority weight in the round-robin between high
375 * and low priority TX queues.
376 * 000: 1 pkt from HIGH, 1 pkt from LOW.
377 * 001: 2 pkt from HIGH, 1 pkt from LOW.
378 * 010: 4 pkt from HIGH, 1 pkt from LOW.
379 * 011: 6 pkt from HIGH, 1 pkt from LOW.
380 * 100: 8 pkt from HIGH, 1 pkt from LOW.
381 * 101: 10 pkt from HIGH, 1 pkt from LOW.
382 * 110: 12 pkt from HIGH, 1 pkt from LOW.
383 * 111: All pkt from HIGH, 0 pkt from LOW. LOW is
384 * served only if HIGH is empty.
385 * NOTE: If the HIGH queue is emptied before
386 * finishing the count, the count is reset
387 * until the next first HIGH comes in.
388 * 07:06 PRIOrx Default Priority for Packets Received on this
389 * Port (00: Lowest priority, 11: Highest priority)
390 * 08:08 PRIOrx_Override Override Priority for Packets Received on this
391 * Port (0: Do not override, 1: Override with
392 * <PRIOrx> field)
393 * 09:09 DPLXen Enable Auto-negotiation for Duplex Mode
394 * (0: Enable, 1: Disable)
395 * 11:10 FCTLen Enable Auto-negotiation for 802.3x Flow-control
396 * 0: Enable; When enabled, 1 is written (through
397 * SMI access) to the PHY's register 4 bit 10
398 * to advertise flow-control capability.
399 * 1: Disable; Only enables flow control after the
400 * PHY address is set by the CPU. When changing
401 * the PHY address the flow control
402 * auto-negotiation must be disabled.
403 * 11:11 FLP Force Link Pass
404 * (0: Force Link Pass, 1: Do NOT Force Link pass)
405 * 12:12 FCTL 802.3x Flow-Control Mode (0: Enable, 1: Disable)
406 * NOTE: Only valid when auto negotiation for flow
407 * control is disabled.
408 * 13:13 Reserved
409 * 15:14 MFL Max Frame Length
410 * Maximum packet allowed for reception (including
411 * CRC): 00: 1518 bytes, 01: 1536 bytes,
412 * 10: 2048 bytes, 11: 64K bytes
413 * 16:16 MIBclrMode MIB Counters Clear Mode (0: Clear, 1: No effect)
414 * 17:17 MIBctrMode Reserved. (MBZ)
415 * 18:18 Speed Port Speed (0: 10Mbit/Sec, 1: 100Mbit/Sec)
416 * NOTE: Only valid if SpeedEn bit is set.
417 * 19:19 SpeedEn Enable Auto-negotiation for Speed
418 * (0: Enable, 1: Disable)
419 * 20:20 RMIIen RMII enable
420 * 0: Port functions as MII port
421 * 1: Port functions as RMII port
422 * 21:21 DSCPen DSCP enable
423 * 0: IP DSCP field decoding is disabled.
424 * 1: IP DSCP field decoding is enabled.
425 * 31:22 Reserved
426 */
427#define ETH_EPCXR_IGMP ETH__BIT(0)
428#define ETH_EPCXR_SPAN ETH__BIT(1)
429#define ETH_EPCXR_PAR ETH__BIT(2)
430#define ETH_EPCXR_PRIOtx_GET(v) ETH__EXT(v, 3, 3)
431#define ETH_EPCXR_PRIOrx_GET(v) ETH__EXT(v, 3, 3)
432#define ETH_EPCXR_PRIOrx_Override ETH__BIT(8)
433#define ETH_EPCXR_DLPXen ETH__BIT(9)
434#define ETH_EPCXR_FCTLen ETH__BIT(10)
435#define ETH_EPCXR_FLP ETH__BIT(11)
436#define ETH_EPCXR_FCTL ETH__BIT(12)
437#define ETH_EPCXR_MFL_GET(v) ETH__EXT(v, 14, 2)
438#define ETH_EPCXR_MFL_1518 0
439#define ETH_EPCXR_MFL_1536 1
440#define ETH_EPCXR_MFL_2048 2
441#define ETH_EPCXR_MFL_64K 3
442#define ETH_EPCXR_MIBclrMode ETH__BIT(16)
443#define ETH_EPCXR_MIBctrMode ETH__BIT(17)
444#define ETH_EPCXR_Speed ETH__BIT(18)
445#define ETH_EPCXR_SpeedEn ETH__BIT(19)
446#define ETH_EPCXR_RMIIEn ETH__BIT(20)
447#define ETH_EPCXR_DSCPEn ETH__BIT(21)
448
449
450
451/*
452 * Table 599: Port Command Register (PCMR)
453 * 14:00 Reserved
454 * 15:15 FJ Force Jam / Flow Control
455 * When in half-duplex mode, the CPU uses this bit
456 * to force collisions on the Ethernet segment.
457 * When the CPU recognizes that it is going to run
458 * out of receive buffers, it can force the
459 * transmitter to send jam frames, forcing
460 * collisions on the wire. To allow transmission
461 * on the Ethernet segment, the CPU must clear the
462 * FJ bit when more resources are available. When
463 * in full-duplex and flow-control is enabled, this
464 * bit causes the port's transmitter to send
465 * flow-control PAUSE packets. The CPU must reset
466 * this bit when more resources are available.
467 * 31:16 Reserved
468 */
469
470#define ETH_EPCMR_FJ ETH__BIT(15)
471
472
473/*
474 * Table 600: Port Status Register (PSR) -- Read Only
475 * 00:00 Speed Indicates Port Speed (0: 10Mbs, 1: 100Mbs)
476 * 01:01 Duplex Indicates Port Duplex Mode (0: Half, 1: Full)
477 * 02:02 Fctl Indicates Flow-control Mode
478 * (0: enabled, 1: disabled)
479 * 03:03 Link Indicates Link Status (0: down, 1: up)
480 * 04:04 Pause Indicates that the port is in flow-control
481 * disabled state. This bit is set when an IEEE
482 * 802.3x flow-control PAUSE (XOFF) packet is
483 * received (assuming that flow-control is
484 * enabled and the port is in full-duplex mode).
485 * Reset when XON is received, or when the XOFF
486 * timer has expired.
487 * 05:05 TxLow Tx Low Priority Status
488 * Indicates the status of the low priority
489 * transmit queue: (0: Stopped, 1: Running)
490 * 06:06 TxHigh Tx High Priority Status
491 * Indicates the status of the high priority
492 * transmit queue: (0: Stopped, 1: Running)
493 * 07:07 TXinProg TX in Progress
494 * Indicates that the port's transmitter is in an
495 * active transmission state.
496 * 31:08 Reserved
497 */
498#define ETH_EPSR_Speed ETH__BIT(0)
499#define ETH_EPSR_Duplex ETH__BIT(1)
500#define ETH_EPSR_Fctl ETH__BIT(2)
501#define ETH_EPSR_Link ETH__BIT(3)
502#define ETH_EPSR_Pause ETH__BIT(4)
503#define ETH_EPSR_TxLow ETH__BIT(5)
504#define ETH_EPSR_TxHigh ETH__BIT(6)
505#define ETH_EPSR_TXinProg ETH__BIT(7)
506
507
508/*
509 * Table 601: Serial Parameters Register (SPR)
510 * 01:00 JAM_LENGTH Two bits to determine the JAM Length
511 * (in Backpressure) as follows:
512 * 00 = 12K bit-times
513 * 01 = 24K bit-times
514 * 10 = 32K bit-times
515 * 11 = 48K bit-times
516 * 06:02 JAM_IPG Five bits to determine the JAM IPG.
517 * The step is four bit-times. The value may vary
518 * between 4 bit time to 124.
519 * 11:07 IPG_JAM_TO_DATA Five bits to determine the IPG JAM to DATA.
520 * The step is four bit-times. The value may vary
521 * between 4 bit time to 124.
522 * 16:12 IPG_DATA Inter-Packet Gap (IPG)
523 * The step is four bit-times. The value may vary
524 * between 12 bit time to 124.
525 * NOTE: These bits may be changed only when the
526 * Ethernet ports is disabled.
527 * 21:17 Data_Blind Data Blinder
528 * The number of nibbles from the beginning of the
529 * IPG, in which the IPG counter is restarted when
530 * detecting a carrier activity. Following this
531 * value, the port enters the Data Blinder zone and
532 * does not reset the IPG counter. This ensures
533 * fair access to the medium.
534 * The default is 10 hex (64 bit times - 2/3 of the
535 * default IPG). The step is 4 bit-times. Valid
536 * range is 3 to 1F hex nibbles.
537 * NOTE: These bits may be only changed when the
538 * Ethernet port is disabled.
539 * 22:22 Limit4 The number of consecutive packet collisions that
540 * occur before the collision counter is reset.
541 * 0: The port resets its collision counter after
542 * 16 consecutive retransmit trials and
543 * restarts the Backoff algorithm.
544 * 1: The port resets its collision counter and
545 * restarts the Backoff algorithm after 4
546 * consecutive transmit trials.
547 * 31:23 Reserved
548 */
549#define ETH_ESPR_JAM_LENGTH_GET(v) ETH__EXT(v, 0, 2)
550#define ETH_ESPR_JAM_IPG_GET(v) ETH__EXT(v, 2, 5)
551#define ETH_ESPR_IPG_JAM_TO_DATA_GET(v) ETH__EXT(v, 7, 5)
552#define ETH_ESPR_IPG_DATA_GET(v) ETH__EXT(v, 12, 5)
553#define ETH_ESPR_Data_Bilnd_GET(v) ETH__EXT(v, 17, 5)
554#define ETH_ESPR_Limit4(v) ETH__BIT(22)
555
556/*
557 * Table 602: Hash Table Pointer Register (HTPR)
558 * 31:00 HTP 32-bit pointer to the address table.
559 * Bits [2:0] must be set to zero.
560 */
561
562/*
563 * Table 603: Flow Control Source Address Low (FCSAL)
564 * 15:0 SA[15:0] Source Address
565 * The least significant bits of the source
566 * address for the port. This address is used for
567 * Flow Control.
568 * 31:16 Reserved
569 */
570
571/*
572 * Table 604: Flow Control Source Address High (FCSAH)
573 * 31:0 SA[47:16] Source Address
574 * The most significant bits of the source address
575 * for the port. This address is used for Flow
576 * Control.
577 */
578
579
580/*
581 * Table 605: SDMA Configuration Register (SDCR)
582 * 01:00 Reserved
583 * 05:02 RC Retransmit Count
584 * Sets the maximum number of retransmits per
585 * packet. After executing retransmit for RC
586 * times, the TX SDMA closes the descriptor with a
587 * Retransmit Limit error indication and processes
588 * the next packet. When RC is set to 0, the
589 * number of retransmits is unlimited. In this
590 * case, the retransmit process is only terminated
591 * if CPU issues an Abort command.
592 * 06:06 BLMR Big/Little Endian Receive Mode
593 * The DMA supports Big or Little Endian
594 * configurations on a per channel basis. The BLMR
595 * bit only affects data transfer to memory.
596 * 0: Big Endian
597 * 1: Little Endian
598 * 07:07 BLMT Big/Little Endian Transmit Mode
599 * The DMA supports Big or Little Endian
600 * configurations on a per channel basis. The BLMT
601 * bit only affects data transfer from memory.
602 * 0: Big Endian
603 * 1: Little Endian
604 * 08:08 POVR PCI Override
605 * When set, causes the SDMA to direct all its
606 * accesses in PCI_0 direction and overrides
607 * normal address decoding process.
608 * 09:09 RIFB Receive Interrupt on Frame Boundaries
609 * When set, the SDMA Rx generates interrupts only
610 * on frame boundaries (i.e. after writing the
611 * frame status to the descriptor).
612 * 11:10 Reserved
613 * 13:12 BSZ Burst Size
614 * Sets the maximum burst size for SDMA
615 * transactions:
616 * 00: Burst is limited to 1 64bit words.
617 * 01: Burst is limited to 2 64bit words.
618 * 10: Burst is limited to 4 64bit words.
619 * 11: Burst is limited to 8 64bit words.
620 * 31:14 Reserved
621 */
622#define ETH_ESDCR_RC_GET(v) ETH__EXT(v, 2, 4)
623#define ETH_ESDCR_BLMR ETH__BIT(6)
624#define ETH_ESDCR_BLMT ETH__BIT(7)
625#define ETH_ESDCR_POVR ETH__BIT(8)
626#define ETH_ESDCR_RIFB ETH__BIT(9)
627#define ETH_ESDCR_BSZ_GET(v) ETH__EXT(v, 12, 2)
628#define ETH_ESDCR_BSZ_SET(v, n) (ETH__CLR(v, 12, 2),\
629 (v) |= ETH__INS(n, 12))
630#define ETH_ESDCR_BSZ_1 0
631#define ETH_ESDCR_BSZ_2 1
632#define ETH_ESDCR_BSZ_4 2
633#define ETH_ESDCR_BSZ_8 3
634
635#define ETH_ESDCR_BSZ_Strings { "1 64-bit word", "2 64-bit words", \
636 "4 64-bit words", "8 64-bit words" }
637
638/*
639 * Table 606: SDMA Command Register (SDCMR)
640 * 06:00 Reserved
641 * 07:07 ERD Enable RX DMA.
642 * Set to 1 by the CPU to cause the SDMA to start
643 * a receive process. Cleared when the CPU issues
644 * an Abort Receive command.
645 * 14:08 Reserved
646 * 15:15 AR Abort Receive
647 * Set to 1 by the CPU to abort a receive SDMA
648 * operation. When the AR bit is set, the SDMA
649 * aborts its current operation and moves to IDLE.
650 * No descriptor is closed. The AR bit is cleared
651 * upon entering IDLE. After setting the AR bit,
652 * the CPU must poll the bit to verify that the
653 * abort sequence is completed.
654 * 16:16 STDH Stop TX High
655 * Set to 1 by the CPU to stop the transmission
656 * process from the high priority queue at the end
657 * of the current frame. An interrupt is generated
658 * when the stop command has been executed.
659 * Writing 1 to STDH resets TXDH bit.
660 * Writing 0 to this bit has no effect.
661 * 17:17 STDL Stop TX Low
662 * Set to 1 by the CPU to stop the transmission
663 * process from the low priority queue at the end
664 * of the current frame. An interrupt is generated
665 * when the stop command has been executed.
666 * Writing 1 to STDL resets TXDL bit.
667 * Writing 0 to this bit has no effect.
668 * 22:18 Reserved
669 * 23:23 TXDH Start Tx High
670 * Set to 1 by the CPU to cause the SDMA to fetch
671 * the first descriptor and start a transmit
672 * process from the high priority Tx queue.
673 * Writing 1 to TXDH resets STDH bit.
674 * Writing 0 to this bit has no effect.
675 * 24:24 TXDL Start Tx Low
676 * Set to 1 by the CPU to cause the SDMA to fetch
677 * the first descriptor and start a transmit
678 * process from the low priority Tx queue.
679 * Writing 1 to TXDL resets STDL bit.
680 * Writing 0 to this bit has no effect.
681 * 30:25 Reserved
682 * 31:31 AT Abort Transmit
683 * Set to 1 by the CPU to abort a transmit DMA
684 * operation. When the AT bit is set, the SDMA
685 * aborts its current operation and moves to IDLE.
686 * No descriptor is closed. Cleared upon entering
687 * IDLE. After setting AT bit, the CPU must poll
688 * it in order to verify that the abort sequence
689 * is completed.
690 */
691#define ETH_ESDCMR_ERD ETH__BIT(7)
692#define ETH_ESDCMR_AR ETH__BIT(15)
693#define ETH_ESDCMR_STDH ETH__BIT(16)
694#define ETH_ESDCMR_STDL ETH__BIT(17)
695#define ETH_ESDCMR_TXDH ETH__BIT(23)
696#define ETH_ESDCMR_TXDL ETH__BIT(24)
697#define ETH_ESDCMR_AT ETH__BIT(31)
698
699/*
700 * Table 607: Interrupt Cause Register (ICR)
701 * 00:00 RxBuffer Rx Buffer Return
702 * Indicates an Rx buffer returned to CPU ownership
703 * or that the port finished reception of a Rx
704 * frame in either priority queues.
705 * NOTE: In order to get a Rx Buffer return per
706 * priority queue, use bit 19:16. This bit is
707 * set upon closing any Rx descriptor which
708 * has its EI bit set. To limit the
709 * interrupts to frame (rather than buffer)
710 * boundaries, the user must set SDMA
711 * Configuration register's RIFB bit. When
712 * the RIFB bit is set, an interrupt
713 * generates only upon closing the first
714 * descriptor of a received packet, if this
715 * descriptor has it EI bit set.
716 * 01:01 Reserved
717 * 02:02 TxBufferHigh Tx Buffer for High priority Queue
718 * Indicates a Tx buffer returned to CPU ownership
719 * or that the port finished transmission of a Tx
720 * frame.
721 * NOTE: This bit is set upon closing any Tx
722 * descriptor which has its EI bit set. To
723 * limit the interrupts to frame (rather than
724 * buffer) boundaries, the user must set EI
725 * only in the last descriptor.
726 * 03:03 TxBufferLow Tx Buffer for Low Priority Queue
727 * Indicates a Tx buffer returned to CPU ownership
728 * or that the port finished transmission of a Tx
729 * frame.
730 * NOTE: This bit is set upon closing any Tx
731 * descriptor which has its EI bit set. To
732 * limit the interrupts to frame (rather than
733 * buffer) boundaries, the user must set EI
734 * only in the last descriptor.
735 * 05:04 Reserved
736 * 06:06 TxEndHigh Tx End for High Priority Queue
737 * Indicates that the Tx DMA stopped processing the
738 * high priority queue after stop command, or that
739 * it reached the end of the high priority
740 * descriptor chain.
741 * 07:07 TxEndLow Tx End for Low Priority Queue
742 * Indicates that the Tx DMA stopped processing the
743 * low priority queue after stop command, or that
744 * it reached the end of the low priority
745 * descriptor chain.
746 * 08:08 RxError Rx Resource Error
747 * Indicates a Rx resource error event in one of
748 * the priority queues.
749 * NOTE: To get a Rx Resource Error Indication per
750 * priority queue, use bit 23:20.
751 * 09:09 Reserved
752 * 10:10 TxErrorHigh Tx Resource Error for High Priority Queue
753 * Indicates a Tx resource error event during
754 * packet transmission from the high priority queue
755 * 11:11 TxErrorLow Tx Resource Error for Low Priority Queue
756 * Indicates a Tx resource error event during
757 * packet transmission from the low priority queue
758 * 12:12 RxOVR Rx Overrun
759 * Indicates an overrun event that occurred during
760 * reception of a packet.
761 * 13:13 TxUdr Tx Underrun
762 * Indicates an underrun event that occurred during
763 * transmission of packet from either queue.
764 * 15:14 Reserved
765 * 16:16 RxBuffer-Queue[0] Rx Buffer Return in Priority Queue[0]
766 * Indicates a Rx buffer returned to CPU ownership
767 * or that the port completed reception of a Rx
768 * frame in a receive priority queue[0]
769 * 17:17 RxBuffer-Queue[1] Rx Buffer Return in Priority Queue[1]
770 * Indicates a Rx buffer returned to CPU ownership
771 * or that the port completed reception of a Rx
772 * frame in a receive priority queue[1].
773 * 18:18 RxBuffer-Queue[2] Rx Buffer Return in Priority Queue[2]
774 * Indicates a Rx buffer returned to CPU ownership
775 * or that the port completed reception of a Rx
776 * frame in a receive priority queue[2].
777 * 19:19 RxBuffer-Queue[3] Rx Buffer Return in Priority Queue[3]
778 * Indicates a Rx buffer returned to CPU ownership
779 * or that the port completed reception of a Rx
780 * frame in a receive priority queue[3].
781 * 20:20 RxError-Queue[0] Rx Resource Error in Priority Queue[0]
782 * Indicates a Rx resource error event in receive
783 * priority queue[0].
784 * 21:21 RxError-Queue[1] Rx Resource Error in Priority Queue[1]
785 * Indicates a Rx resource error event in receive
786 * priority queue[1].
787 * 22:22 RxError-Queue[2] Rx Resource Error in Priority Queue[2]
788 * Indicates a Rx resource error event in receive
789 * priority queue[2].
790 * 23:23 RxError-Queue[3] Rx Resource Error in Priority Queue[3]
791 * Indicates a Rx resource error event in receive
792 * priority queue[3].
793 * 27:24 Reserved
794 * 28:29 MIIPhySTC MII PHY Status Change
795 * Indicates a status change reported by the PHY
796 * connected to this port. Set when the MII
797 * management interface block identifies a change
798 * in PHY's register 1.
799 * 29:29 SMIdone SMI Command Done
800 * Indicates that the SMI completed a MII
801 * management command (either read or write) that
802 * was initiated by the CPU writing to the SMI
803 * register.
804 * 30:30 Reserved
805 * 31:31 EtherIntSum Ethernet Interrupt Summary
806 * This bit is a logical OR of the (unmasked) bits
807 * [30:04] in the Interrupt Cause register.
808 */
809
810#define ETH_IR_RxBuffer ETH__BIT(0)
811#define ETH_IR_TxBufferHigh ETH__BIT(2)
812#define ETH_IR_TxBufferLow ETH__BIT(3)
813#define ETH_IR_TxEndHigh ETH__BIT(6)
814#define ETH_IR_TxEndLow ETH__BIT(7)
815#define ETH_IR_RxError ETH__BIT(8)
816#define ETH_IR_TxErrorHigh ETH__BIT(10)
817#define ETH_IR_TxErrorLow ETH__BIT(11)
818#define ETH_IR_RxOVR ETH__BIT(12)
819#define ETH_IR_TxUdr ETH__BIT(13)
820#define ETH_IR_RxBuffer_0 ETH__BIT(16)
821#define ETH_IR_RxBuffer_1 ETH__BIT(17)
822#define ETH_IR_RxBuffer_2 ETH__BIT(18)
823#define ETH_IR_RxBuffer_3 ETH__BIT(19)
824#define ETH_IR_RxBuffer_GET(v) ETH__EXT(v, 16, 4)
825#define ETH_IR_RxError_0 ETH__BIT(20)
826#define ETH_IR_RxError_1 ETH__BIT(21)
827#define ETH_IR_RxError_2 ETH__BIT(22)
828#define ETH_IR_RxError_3 ETH__BIT(23)
829#define ETH_IR_RxError_GET(v) ETH__EXT(v, 20, 4)
830#define ETH_IR_RxBits (ETH_IR_RxBuffer_0|\
831 ETH_IR_RxBuffer_1|\
832 ETH_IR_RxBuffer_2|\
833 ETH_IR_RxBuffer_3|\
834 ETH_IR_RxError_0|\
835 ETH_IR_RxError_1|\
836 ETH_IR_RxError_2|\
837 ETH_IR_RxError_3)
838#define ETH_IR_MIIPhySTC ETH__BIT(28)
839#define ETH_IR_SMIdone ETH__BIT(29)
840#define ETH_IR_EtherIntSum (1<<31)
841#define ETH_IR_Summary (1<<31)
842#define ETH_IR_ErrorSum 0x803d00
843#define INTR_RX_ERROR 0x801100
844#define INTR_TX_ERROR 0x002c00
845
846/*
847 * Table 608: Interrupt Mask Register (IMR)
848 * 31:00 Various Mask bits for the Interrupt Cause register.
849 */
850
851/*
852 * Table 609: IP Differentiated Services CodePoint to Priority0 low (DSCP2P0L),
853 * 31:00 Priority0_low The LSB priority bits for DSCP[31:0] entries.
854 */
855
856/*
857 * Table 610: IP Differentiated Services CodePoint to Priority0 high (DSCP2P0H)
858 * 31:00 Priority0_high The LSB priority bits for DSCP[63:32] entries.
859 */
860
861/*
862 * Table 611: IP Differentiated Services CodePoint to Priority1 low (DSCP2P1L)
863 * 31:00 Priority1_low The MSB priority bits for DSCP[31:0] entries.
864 */
865
866/*
867 * Table 612: IP Differentiated Services CodePoint to Priority1 high (DSCP2P1H)
868 * 31:00 Priority1_high The MSB priority bit for DSCP[63:32] entries.
869 */
870
871/*
872 * Table 613: VLAN Priority Tag to Priority (VPT2P)
873 * 07:00 Priority0 The LSB priority bits for VLAN Priority[7:0]
874 * entries.
875 * 15:08 Priority1 The MSB priority bits for VLAN Priority[7:0]
876 * entries.
877 * 31:16 Reserved
878 */
879#endif /* _DEV_GTETHREG_H_ */
GTeth_desc
Definition: GT64260ethreg.h:61
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