1 /*----------------------------------------------------------------------------+
2 |   This source code is dual-licensed.  You may use it under the terms of the
3 |   GNU General Public License version 2, or under the license below.
4 |
5 |	This source code has been made available to you by IBM on an AS-IS
6 |	basis.	Anyone receiving this source is licensed under IBM
7 |	copyrights to use it in any way he or she deems fit, including
8 |	copying it, modifying it, compiling it, and redistributing it either
9 |	with or without modifications.	No license under IBM patents or
10 |	patent applications is to be implied by the copyright license.
11 |
12 |	Any user of this software should understand that IBM cannot provide
13 |	technical support for this software and will not be responsible for
14 |	any consequences resulting from the use of this software.
15 |
16 |	Any person who transfers this source code or any derivative work
17 |	must include the IBM copyright notice, this paragraph, and the
18 |	preceding two paragraphs in the transferred software.
19 |
20 |	COPYRIGHT   I B M   CORPORATION 1999
21 |	LICENSED MATERIAL  -  PROGRAM PROPERTY OF I B M
22 +----------------------------------------------------------------------------*/
23 /*----------------------------------------------------------------------------+
24 |
25 |  File Name:	enetemac.h
26 |
27 |  Function:	Header file for the EMAC3 macro on the 405GP.
28 |
29 |  Author:	Mark Wisner
30 |
31 |  Change Activity-
32 |
33 |  Date	       Description of Change					   BY
34 |  ---------   ---------------------					   ---
35 |  29-Apr-99   Created							   MKW
36 |
37 +----------------------------------------------------------------------------*/
38 /*----------------------------------------------------------------------------+
39 |  19-Nov-03   Travis Sawyer, Sandburst Corporation, tsawyer@sandburst.com
40 |	       ported to handle 440GP and 440GX multiple EMACs
41 +----------------------------------------------------------------------------*/
42 
43 #ifndef _PPC4XX_ENET_H_
44 #define _PPC4XX_ENET_H_
45 
46 #include <net.h>
47 #include "405_mal.h"
48 
49 
50 /*-----------------------------------------------------------------------------+
51 | General enternet defines.  802 frames are not supported.
52 +-----------------------------------------------------------------------------*/
53 #define ENET_ADDR_LENGTH		6
54 #define ENET_ARPTYPE			0x806
55 #define ARP_REQUEST			1
56 #define ARP_REPLY			2
57 #define ENET_IPTYPE			0x800
58 #define ARP_CACHE_SIZE			5
59 
60 #define NUM_TX_BUFF 1
61 #define NUM_RX_BUFF PKTBUFSRX
62 
63 struct enet_frame {
64    unsigned char	dest_addr[ENET_ADDR_LENGTH];
65    unsigned char	source_addr[ENET_ADDR_LENGTH];
66    unsigned short	type;
67    unsigned char	enet_data[1];
68 };
69 
70 struct arp_entry {
71    unsigned long	inet_address;
72    unsigned char	mac_address[ENET_ADDR_LENGTH];
73    unsigned long	valid;
74    unsigned long	sec;
75    unsigned long	nsec;
76 };
77 
78 
79 /* Statistic Areas */
80 #define MAX_ERR_LOG 10
81 
82 typedef struct emac_stats_st{	/* Statistic Block */
83 	int data_len_err;
84 	int rx_frames;
85 	int rx;
86 	int rx_prot_err;
87 	int int_err;
88 	int pkts_tx;
89 	int pkts_rx;
90 	int pkts_handled;
91 	short tx_err_log[MAX_ERR_LOG];
92 	short rx_err_log[MAX_ERR_LOG];
93 } EMAC_STATS_ST, *EMAC_STATS_PST;
94 
95 /* Structure containing variables used by the shared code (4xx_enet.c) */
96 typedef struct emac_4xx_hw_st {
97     uint32_t		hw_addr;		/* EMAC offset */
98     uint32_t		tah_addr;		/* TAH offset */
99     uint32_t		phy_id;
100     uint32_t		phy_addr;
101     uint32_t		original_fc;
102     uint32_t		txcw;
103     uint32_t		autoneg_failed;
104     uint32_t		emac_ier;
105     volatile mal_desc_t *tx;
106     volatile mal_desc_t *rx;
107     u32			tx_phys;
108     u32			rx_phys;
109     bd_t		*bis;	/* for eth_init upon mal error */
110     mal_desc_t		*alloc_tx_buf;
111     mal_desc_t		*alloc_rx_buf;
112     char		*txbuf_ptr;
113     uint16_t		devnum;
114     int			get_link_status;
115     int			tbi_compatibility_en;
116     int			tbi_compatibility_on;
117     int			fc_send_xon;
118     int			report_tx_early;
119     int			first_init;
120     int			tx_err_index;
121     int			rx_err_index;
122     int			rx_slot;	/* MAL Receive Slot */
123     int			rx_i_index;	/* Receive Interrupt Queue Index */
124     int			rx_u_index;	/* Receive User Queue Index */
125     int			tx_slot;	/* MAL Transmit Slot */
126     int			tx_i_index;	/* Transmit Interrupt Queue Index */
127     int			tx_u_index;		/* Transmit User Queue Index */
128     int			rx_ready[NUM_RX_BUFF];	/* Receive Ready Queue */
129     int			tx_run[NUM_TX_BUFF];	/* Transmit Running Queue */
130     int			is_receiving;	/* sync with eth interrupt */
131     int			print_speed;	/* print speed message upon start */
132     EMAC_STATS_ST	stats;
133 } EMAC_4XX_HW_ST, *EMAC_4XX_HW_PST;
134 
135 
136 #if defined(CONFIG_440GX) || defined(CONFIG_460GT)
137 #define EMAC_NUM_DEV		4
138 #elif (defined(CONFIG_440) || defined(CONFIG_405EP)) &&	\
139 	defined(CONFIG_NET_MULTI) &&			\
140 	!defined(CONFIG_440SP) && !defined(CONFIG_440SPE)
141 #define EMAC_NUM_DEV		2
142 #else
143 #define EMAC_NUM_DEV		1
144 #endif
145 
146 #ifdef CONFIG_IBM_EMAC4_V4	/* EMAC4 V4 changed bit setting */
147 #define EMAC_STACR_OC_MASK	(0x00008000)
148 #else
149 #define EMAC_STACR_OC_MASK	(0x00000000)
150 #endif
151 
152 #if defined(CONFIG_440SP) || defined(CONFIG_440SPE) || \
153     defined(CONFIG_440EPX) || defined(CONFIG_440GRX) || \
154     defined(CONFIG_405EX)
155 #define SDR0_PFC1_EM_1000	(0x00200000)
156 #endif
157 
158 /*
159  * XMII bridge configurations for those systems (e.g. 405EX(r)) that do
160  * not have a pin function control (PFC) register to otherwise determine
161  * the bridge configuration.
162  */
163 #define EMAC_PHY_MODE_NONE		0
164 #define EMAC_PHY_MODE_NONE_RGMII	1
165 #define EMAC_PHY_MODE_RGMII_NONE	2
166 #define EMAC_PHY_MODE_RGMII_RGMII	3
167 #define EMAC_PHY_MODE_NONE_GMII		4
168 #define EMAC_PHY_MODE_GMII_NONE		5
169 #define EMAC_PHY_MODE_NONE_MII		6
170 #define EMAC_PHY_MODE_MII_NONE		7
171 
172 /* ZMII Bridge Register addresses */
173 #if defined(CONFIG_440EP) || defined(CONFIG_440GR) || \
174     defined(CONFIG_440EPX) || defined(CONFIG_440GRX) || \
175     defined(CONFIG_460EX) || defined(CONFIG_460GT)
176 #define ZMII0_BASE		(CONFIG_SYS_PERIPHERAL_BASE + 0x0D00)
177 #else
178 #define ZMII0_BASE		(CONFIG_SYS_PERIPHERAL_BASE + 0x0780)
179 #endif
180 #define ZMII0_FER		(ZMII0_BASE)
181 #define ZMII0_SSR		(ZMII0_BASE + 4)
182 #define ZMII0_SMIISR		(ZMII0_BASE + 8)
183 
184 /* ZMII FER Register Bit Definitions */
185 #define ZMII_FER_DIS		(0x0)
186 #define ZMII_FER_MDI		(0x8)
187 #define ZMII_FER_SMII		(0x4)
188 #define ZMII_FER_RMII		(0x2)
189 #define ZMII_FER_MII		(0x1)
190 
191 #define ZMII_FER_RSVD11		(0x00200000)
192 #define ZMII_FER_RSVD10		(0x00100000)
193 #define ZMII_FER_RSVD14_31	(0x0003FFFF)
194 
195 #define ZMII_FER_V(__x)		(((3 - __x) * 4) + 16)
196 
197 
198 /* ZMII Speed Selection Register Bit Definitions */
199 #define ZMII0_SSR_SCI		(0x4)
200 #define ZMII0_SSR_FSS		(0x2)
201 #define ZMII0_SSR_SP		(0x1)
202 #define ZMII0_SSR_RSVD16_31	(0x0000FFFF)
203 
204 #define ZMII0_SSR_V(__x)		(((3 - __x) * 4) + 16)
205 
206 
207 /* ZMII SMII Status Register Bit Definitions */
208 #define ZMII0_SMIISR_E1		(0x80)
209 #define ZMII0_SMIISR_EC		(0x40)
210 #define ZMII0_SMIISR_EN		(0x20)
211 #define ZMII0_SMIISR_EJ		(0x10)
212 #define ZMII0_SMIISR_EL		(0x08)
213 #define ZMII0_SMIISR_ED		(0x04)
214 #define ZMII0_SMIISR_ES		(0x02)
215 #define ZMII0_SMIISR_EF		(0x01)
216 
217 #define ZMII0_SMIISR_V(__x)	((3 - __x) * 8)
218 
219 /* RGMII Register Addresses */
220 #if defined(CONFIG_440EPX) || defined(CONFIG_440GRX)
221 #define RGMII_BASE		(CONFIG_SYS_PERIPHERAL_BASE + 0x1000)
222 #elif defined(CONFIG_460EX) || defined(CONFIG_460GT)
223 #define RGMII_BASE		(CONFIG_SYS_PERIPHERAL_BASE + 0x1500)
224 #elif defined(CONFIG_405EX)
225 #define RGMII_BASE		(CONFIG_SYS_PERIPHERAL_BASE + 0xB00)
226 #else
227 #define RGMII_BASE		(CONFIG_SYS_PERIPHERAL_BASE + 0x0790)
228 #endif
229 #define RGMII_FER		(RGMII_BASE + 0x00)
230 #define RGMII_SSR		(RGMII_BASE + 0x04)
231 
232 #if defined(CONFIG_460GT)
233 #define RGMII1_BASE_OFFSET	0x100
234 #endif
235 
236 /* RGMII Function Enable (FER) Register Bit Definitions */
237 #define RGMII_FER_DIS		(0x00)
238 #define RGMII_FER_RTBI		(0x04)
239 #define RGMII_FER_RGMII		(0x05)
240 #define RGMII_FER_TBI		(0x06)
241 #define RGMII_FER_GMII		(0x07)
242 #define RGMII_FER_MII		(RGMII_FER_GMII)
243 
244 #define RGMII_FER_V(__x)	((__x - 2) * 4)
245 
246 #define RGMII_FER_MDIO(__x)	(1 << (19 - (__x)))
247 
248 /* RGMII Speed Selection Register Bit Definitions */
249 #define RGMII_SSR_SP_10MBPS	(0x00)
250 #define RGMII_SSR_SP_100MBPS	(0x02)
251 #define RGMII_SSR_SP_1000MBPS	(0x04)
252 
253 #if defined(CONFIG_440EPX) || defined(CONFIG_440GRX) || \
254     defined(CONFIG_460EX) || defined(CONFIG_460GT) || \
255     defined(CONFIG_405EX)
256 #define RGMII_SSR_V(__x)	((__x) * 8)
257 #else
258 #define RGMII_SSR_V(__x)	((__x -2) * 8)
259 #endif
260 
261 /*---------------------------------------------------------------------------+
262 |  TCP/IP Acceleration Hardware (TAH) 440GX Only
263 +---------------------------------------------------------------------------*/
264 #if defined(CONFIG_440GX)
265 #define TAH_BASE	(CONFIG_SYS_PERIPHERAL_BASE + 0x0B50)
266 #define TAH_REVID	(TAH_BASE + 0x0)    /* Revision ID (RO)*/
267 #define TAH_MR		(TAH_BASE + 0x10)   /* Mode Register (R/W) */
268 #define TAH_SSR0	(TAH_BASE + 0x14)   /* Segment Size Reg 0 (R/W) */
269 #define TAH_SSR1	(TAH_BASE + 0x18)   /* Segment Size Reg 1 (R/W) */
270 #define TAH_SSR2	(TAH_BASE + 0x1C)   /* Segment Size Reg 2 (R/W) */
271 #define TAH_SSR3	(TAH_BASE + 0x20)   /* Segment Size Reg 3 (R/W) */
272 #define TAH_SSR4	(TAH_BASE + 0x24)   /* Segment Size Reg 4 (R/W) */
273 #define TAH_SSR5	(TAH_BASE + 0x28)   /* Segment Size Reg 5 (R/W) */
274 #define TAH_TSR		(TAH_BASE + 0x2C)   /* Transmit Status Register (RO) */
275 
276 /* TAH Revision */
277 #define TAH_REV_RN_M		(0x000FFF00)	    /* Revision Number */
278 #define TAH_REV_BN_M		(0x000000FF)	    /* Branch Revision Number */
279 
280 #define TAH_REV_RN_V		(8)
281 #define TAH_REV_BN_V		(0)
282 
283 /* TAH Mode Register */
284 #define TAH_MR_CVR	(0x80000000)	    /* Checksum verification on RX */
285 #define TAH_MR_SR	(0x40000000)	    /* Software reset */
286 #define TAH_MR_ST	(0x3F000000)	    /* Send Threshold */
287 #define TAH_MR_TFS	(0x00E00000)	    /* Transmit FIFO size */
288 #define TAH_MR_DTFP	(0x00100000)	    /* Disable TX FIFO parity */
289 #define TAH_MR_DIG	(0x00080000)	    /* Disable interrupt generation */
290 #define TAH_MR_RSVD	(0x0007FFFF)	    /* Reserved */
291 
292 #define TAH_MR_ST_V	(20)
293 #define TAH_MR_TFS_V	(17)
294 
295 #define TAH_MR_TFS_2K	(0x1)	    /* Transmit FIFO size 2Kbyte */
296 #define TAH_MR_TFS_4K	(0x2)	    /* Transmit FIFO size 4Kbyte */
297 #define TAH_MR_TFS_6K	(0x3)	    /* Transmit FIFO size 6Kbyte */
298 #define TAH_MR_TFS_8K	(0x4)	    /* Transmit FIFO size 8Kbyte */
299 #define TAH_MR_TFS_10K	(0x5)	    /* Transmit FIFO size 10Kbyte (max)*/
300 
301 
302 /* TAH Segment Size Registers 0:5 */
303 #define TAH_SSR_RSVD0	(0xC0000000)	    /* Reserved */
304 #define TAH_SSR_SS	(0x3FFE0000)	    /* Segment size in multiples of 2 */
305 #define TAH_SSR_RSVD1	(0x0001FFFF)	    /* Reserved */
306 
307 /* TAH Transmit Status Register */
308 #define TAH_TSR_TFTS	(0x80000000)	    /* Transmit FIFO too small */
309 #define TAH_TSR_UH	(0x40000000)	    /* Unrecognized header */
310 #define TAH_TSR_NIPF	(0x20000000)	    /* Not IPv4 */
311 #define TAH_TSR_IPOP	(0x10000000)	    /* IP option present */
312 #define TAH_TSR_NISF	(0x08000000)	    /* No IEEE SNAP format */
313 #define TAH_TSR_ILTS	(0x04000000)	    /* IP length too short */
314 #define TAH_TSR_IPFP	(0x02000000)	    /* IP fragment present */
315 #define TAH_TSR_UP	(0x01000000)	    /* Unsupported protocol */
316 #define TAH_TSR_TFP	(0x00800000)	    /* TCP flags present */
317 #define TAH_TSR_SUDP	(0x00400000)	    /* Segmentation for UDP */
318 #define TAH_TSR_DLM	(0x00200000)	    /* Data length mismatch */
319 #define TAH_TSR_SIEEE	(0x00100000)	    /* Segmentation for IEEE */
320 #define TAH_TSR_TFPE	(0x00080000)	    /* Transmit FIFO parity error */
321 #define TAH_TSR_SSTS	(0x00040000)	    /* Segment size too small */
322 #define TAH_TSR_RSVD	(0x0003FFFF)	    /* Reserved */
323 #endif /* CONFIG_440GX */
324 
325 
326 /* Ethernet MAC Regsiter Addresses */
327 #if defined(CONFIG_440)
328 #if defined(CONFIG_440EP) || defined(CONFIG_440GR) || \
329     defined(CONFIG_440EPX) || defined(CONFIG_440GRX) || \
330     defined(CONFIG_460EX) || defined(CONFIG_460GT)
331 #define EMAC0_BASE		(CONFIG_SYS_PERIPHERAL_BASE + 0x0E00)
332 #else
333 #define EMAC0_BASE		(CONFIG_SYS_PERIPHERAL_BASE + 0x0800)
334 #endif
335 #else
336 #if defined(CONFIG_405EZ) || defined(CONFIG_405EX)
337 #define EMAC0_BASE		0xEF600900
338 #else
339 #define EMAC0_BASE		0xEF600800
340 #endif
341 #endif
342 
343 #if defined(CONFIG_440EPX)
344 #define EMAC1_BASE		0xEF600F00
345 #define EMAC1_MR1		(EMAC1_BASE + 0x04)
346 #endif
347 
348 #define EMAC0_MR0		(EMAC0_BASE)
349 #define EMAC0_MR1		(EMAC0_BASE + 0x04)
350 #define EMAC0_TMR0		(EMAC0_BASE + 0x08)
351 #define EMAC0_TMR1		(EMAC0_BASE + 0x0c)
352 #define EMAC0_RXM		(EMAC0_BASE + 0x10)
353 #define EMAC0_ISR		(EMAC0_BASE + 0x14)
354 #define EMAC0_IER		(EMAC0_BASE + 0x18)
355 #define EMAC0_IAH		(EMAC0_BASE + 0x1c)
356 #define EMAC0_IAL		(EMAC0_BASE + 0x20)
357 #define EMAC0_PTR		(EMAC0_BASE + 0x2c)
358 #define EMAC0_PAUSE_TIME_REG	EMAC0_PTR
359 #define EMAC0_IPGVR		(EMAC0_BASE + 0x58)
360 #define EMAC0_I_FRAME_GAP_REG	EMAC0_IPGVR
361 #define EMAC0_STACR		(EMAC0_BASE + 0x5c)
362 #define EMAC0_TRTR		(EMAC0_BASE + 0x60)
363 #define EMAC0_RWMR		(EMAC0_BASE + 0x64)
364 #define EMAC0_RX_HI_LO_WMARK	EMAC0_RWMR
365 
366 /* bit definitions */
367 /* MODE REG 0 */
368 #define EMAC_MR0_RXI		(0x80000000)
369 #define EMAC_MR0_TXI		(0x40000000)
370 #define EMAC_MR0_SRST		(0x20000000)
371 #define EMAC_MR0_TXE		(0x10000000)
372 #define EMAC_MR0_RXE		(0x08000000)
373 #define EMAC_MR0_WKE		(0x04000000)
374 
375 /* on 440GX EMAC_MR1 has a different layout! */
376 #if defined(CONFIG_440GX) || \
377     defined(CONFIG_440EPX) || defined(CONFIG_440GRX) || \
378     defined(CONFIG_440SP) || defined(CONFIG_440SPE) || \
379     defined(CONFIG_460EX) || defined(CONFIG_460GT) || \
380     defined(CONFIG_405EX)
381 /* MODE Reg 1 */
382 #define EMAC_MR1_FDE		(0x80000000)
383 #define EMAC_MR1_ILE		(0x40000000)
384 #define EMAC_MR1_VLE		(0x20000000)
385 #define EMAC_MR1_EIFC		(0x10000000)
386 #define EMAC_MR1_APP		(0x08000000)
387 #define EMAC_MR1_RSVD		(0x06000000)
388 #define EMAC_MR1_IST		(0x01000000)
389 #define EMAC_MR1_MF_1000GPCS	(0x00C00000)
390 #define EMAC_MR1_MF_1000MBPS	(0x00800000)	/* 0's for 10MBPS */
391 #define EMAC_MR1_MF_100MBPS	(0x00400000)
392 #define EMAC_MR1_RFS_MASK	(0x00380000)
393 #define EMAC_MR1_RFS_16K		(0x00280000)
394 #define EMAC_MR1_RFS_8K		(0x00200000)
395 #define EMAC_MR1_RFS_4K		(0x00180000)
396 #define EMAC_MR1_RFS_2K		(0x00100000)
397 #define EMAC_MR1_RFS_1K		(0x00080000)
398 #define EMAC_MR1_TX_FIFO_MASK	(0x00070000)
399 #define EMAC_MR1_TX_FIFO_16K	(0x00050000)
400 #define EMAC_MR1_TX_FIFO_8K	(0x00040000)
401 #define EMAC_MR1_TX_FIFO_4K	(0x00030000)
402 #define EMAC_MR1_TX_FIFO_2K	(0x00020000)
403 #define EMAC_MR1_TX_FIFO_1K	(0x00010000)
404 #define EMAC_MR1_TR_MULTI	(0x00008000)	/* 0'x for single packet */
405 #define EMAC_MR1_MWSW		(0x00007000)
406 #define EMAC_MR1_JUMBO_ENABLE	(0x00000800)
407 #define EMAC_MR1_IPPA		(0x000007c0)
408 #define EMAC_MR1_IPPA_SET(id)	(((id) & 0x1f) << 6)
409 #define EMAC_MR1_IPPA_GET(id)	(((id) >> 6) & 0x1f)
410 #define EMAC_MR1_OBCI_GT100	(0x00000020)
411 #define EMAC_MR1_OBCI_100	(0x00000018)
412 #define EMAC_MR1_OBCI_83		(0x00000010)
413 #define EMAC_MR1_OBCI_66		(0x00000008)
414 #define EMAC_MR1_RSVD1		(0x00000007)
415 #else /* defined(CONFIG_440GX) */
416 /* EMAC_MR1 is the same on 405GP, 405GPr, 405EP, 440GP, 440EP */
417 #define EMAC_MR1_FDE		0x80000000
418 #define EMAC_MR1_ILE		0x40000000
419 #define EMAC_MR1_VLE		0x20000000
420 #define EMAC_MR1_EIFC		0x10000000
421 #define EMAC_MR1_APP		0x08000000
422 #define EMAC_MR1_AEMI		0x02000000
423 #define EMAC_MR1_IST		0x01000000
424 #define EMAC_MR1_MF_1000MBPS	0x00800000	/* 0's for 10MBPS */
425 #define EMAC_MR1_MF_100MBPS	0x00400000
426 #define EMAC_MR1_RFS_MASK	0x00300000
427 #define EMAC_MR1_RFS_4K		0x00300000
428 #define EMAC_MR1_RFS_2K		0x00200000
429 #define EMAC_MR1_RFS_1K		0x00100000
430 #define EMAC_MR1_RFS_512		0x00000000
431 #define EMAC_MR1_TX_FIFO_MASK	0x000c0000
432 #define EMAC_MR1_TX_FIFO_2K	0x00080000
433 #define EMAC_MR1_TX_FIFO_1K	0x00040000
434 #define EMAC_MR1_TX_FIFO_512	0x00000000
435 #define EMAC_MR1_TR0_DEPEND	0x00010000	/* 0'x for single packet */
436 #define EMAC_MR1_TR0_MULTI	0x00008000
437 #define EMAC_MR1_TR1_DEPEND	0x00004000
438 #define EMAC_MR1_TR1_MULTI	0x00002000
439 #if defined(CONFIG_440EP) || defined(CONFIG_440GR)
440 #define EMAC_MR1_JUMBO_ENABLE	0x00001000
441 #endif /* defined(CONFIG_440EP) || defined(CONFIG_440GR) */
442 #endif /* defined(CONFIG_440GX) */
443 
444 #define EMAC_MR1_FIFO_MASK	(EMAC_MR1_RFS_MASK | EMAC_MR1_TX_FIFO_MASK)
445 #if defined(CONFIG_405EZ)
446 /* 405EZ only supports 512 bytes fifos */
447 #define EMAC_MR1_FIFO_SIZE	(EMAC_MR1_RFS_512 | EMAC_MR1_TX_FIFO_512)
448 #else
449 /* Set receive fifo to 4k and tx fifo to 2k */
450 #define EMAC_MR1_FIFO_SIZE	(EMAC_MR1_RFS_4K | EMAC_MR1_TX_FIFO_2K)
451 #endif
452 
453 /* Transmit Mode Register 0 */
454 #define EMAC_TMR0_GNP0		(0x80000000)
455 #define EMAC_TMR0_GNP1		(0x40000000)
456 #define EMAC_TMR0_GNPD		(0x20000000)
457 #define EMAC_TMR0_FC		(0x10000000)
458 
459 /* Receive Mode Register */
460 #define EMAC_RMR_SP		(0x80000000)
461 #define EMAC_RMR_SFCS		(0x40000000)
462 #define EMAC_RMR_ARRP		(0x20000000)
463 #define EMAC_RMR_ARP		(0x10000000)
464 #define EMAC_RMR_AROP		(0x08000000)
465 #define EMAC_RMR_ARPI		(0x04000000)
466 #define EMAC_RMR_PPP		(0x02000000)
467 #define EMAC_RMR_PME		(0x01000000)
468 #define EMAC_RMR_PMME		(0x00800000)
469 #define EMAC_RMR_IAE		(0x00400000)
470 #define EMAC_RMR_MIAE		(0x00200000)
471 #define EMAC_RMR_BAE		(0x00100000)
472 #define EMAC_RMR_MAE		(0x00080000)
473 
474 /* Interrupt Status & enable Regs */
475 #define EMAC_ISR_OVR		(0x02000000)
476 #define EMAC_ISR_PP		(0x01000000)
477 #define EMAC_ISR_BP		(0x00800000)
478 #define EMAC_ISR_RP		(0x00400000)
479 #define EMAC_ISR_SE		(0x00200000)
480 #define EMAC_ISR_SYE		(0x00100000)
481 #define EMAC_ISR_BFCS		(0x00080000)
482 #define EMAC_ISR_PTLE		(0x00040000)
483 #define EMAC_ISR_ORE		(0x00020000)
484 #define EMAC_ISR_IRE		(0x00010000)
485 #define EMAC_ISR_DBDM		(0x00000200)
486 #define EMAC_ISR_DB0		(0x00000100)
487 #define EMAC_ISR_SE0		(0x00000080)
488 #define EMAC_ISR_TE0		(0x00000040)
489 #define EMAC_ISR_DB1		(0x00000020)
490 #define EMAC_ISR_SE1		(0x00000010)
491 #define EMAC_ISR_TE1		(0x00000008)
492 #define EMAC_ISR_MOS		(0x00000002)
493 #define EMAC_ISR_MOF		(0x00000001)
494 
495 /* STA CONTROL REG */
496 #define EMAC_STACR_OC		(0x00008000)
497 #define EMAC_STACR_PHYE		(0x00004000)
498 
499 #ifdef CONFIG_IBM_EMAC4_V4	/* EMAC4 V4 changed bit setting */
500 #define EMAC_STACR_INDIRECT_MODE (0x00002000)
501 #define EMAC_STACR_WRITE	(0x00000800) /* $BUC */
502 #define EMAC_STACR_READ		(0x00001000) /* $BUC */
503 #define EMAC_STACR_OP_MASK	(0x00001800)
504 #define EMAC_STACR_MDIO_ADDR	(0x00000000)
505 #define EMAC_STACR_MDIO_WRITE	(0x00000800)
506 #define EMAC_STACR_MDIO_READ	(0x00001800)
507 #define EMAC_STACR_MDIO_READ_INC (0x00001000)
508 #else
509 #define EMAC_STACR_WRITE	(0x00002000)
510 #define EMAC_STACR_READ		(0x00001000)
511 #endif
512 
513 #define EMAC_STACR_CLK_83MHZ	(0x00000800)  /* 0's for 50Mhz */
514 #define EMAC_STACR_CLK_66MHZ	(0x00000400)
515 #define EMAC_STACR_CLK_100MHZ	(0x00000C00)
516 
517 /* Transmit Request Threshold Register */
518 #define EMAC_TRTR_256		(0x18000000)   /* 0's for 64 Bytes */
519 #define EMAC_TRTR_192		(0x10000000)
520 #define EMAC_TRTR_128		(0x01000000)
521 
522 /* the follwing defines are for the MadMAL status and control registers. */
523 /* For bits 0..5 look at the mal.h file					 */
524 #define EMAC_TX_CTRL_GFCS	(0x0200)
525 #define EMAC_TX_CTRL_GP		(0x0100)
526 #define EMAC_TX_CTRL_ISA	(0x0080)
527 #define EMAC_TX_CTRL_RSA	(0x0040)
528 #define EMAC_TX_CTRL_IVT	(0x0020)
529 #define EMAC_TX_CTRL_RVT	(0x0010)
530 
531 #define EMAC_TX_CTRL_DEFAULT (EMAC_TX_CTRL_GFCS |EMAC_TX_CTRL_GP)
532 
533 #define EMAC_TX_ST_BFCS		(0x0200)
534 #define EMAC_TX_ST_BPP		(0x0100)
535 #define EMAC_TX_ST_LCS		(0x0080)
536 #define EMAC_TX_ST_ED		(0x0040)
537 #define EMAC_TX_ST_EC		(0x0020)
538 #define EMAC_TX_ST_LC		(0x0010)
539 #define EMAC_TX_ST_MC		(0x0008)
540 #define EMAC_TX_ST_SC		(0x0004)
541 #define EMAC_TX_ST_UR		(0x0002)
542 #define EMAC_TX_ST_SQE		(0x0001)
543 
544 #define EMAC_TX_ST_DEFAULT	(0x03F3)
545 
546 
547 /* madmal receive status / Control bits */
548 
549 #define EMAC_RX_ST_OE		(0x0200)
550 #define EMAC_RX_ST_PP		(0x0100)
551 #define EMAC_RX_ST_BP		(0x0080)
552 #define EMAC_RX_ST_RP		(0x0040)
553 #define EMAC_RX_ST_SE		(0x0020)
554 #define EMAC_RX_ST_AE		(0x0010)
555 #define EMAC_RX_ST_BFCS		(0x0008)
556 #define EMAC_RX_ST_PTL		(0x0004)
557 #define EMAC_RX_ST_ORE		(0x0002)
558 #define EMAC_RX_ST_IRE		(0x0001)
559 /* all the errors we care about */
560 #define EMAC_RX_ERRORS		(0x03FF)
561 
562 #endif /* _PPC4XX_ENET_H_ */
563