1 /*----------------------------------------------------------------------------+
3 | This source code has been made available to you by IBM on an AS-IS
4 | basis. Anyone receiving this source is licensed under IBM
5 | copyrights to use it in any way he or she deems fit, including
6 | copying it, modifying it, compiling it, and redistributing it either
7 | with or without modifications. No license under IBM patents or
8 | patent applications is to be implied by the copyright license.
10 | Any user of this software should understand that IBM cannot provide
11 | technical support for this software and will not be responsible for
12 | any consequences resulting from the use of this software.
14 | Any person who transfers this source code or any derivative work
15 | must include the IBM copyright notice, this paragraph, and the
16 | preceding two paragraphs in the transferred software.
18 | COPYRIGHT I B M CORPORATION 1999
19 | LICENSED MATERIAL - PROGRAM PROPERTY OF I B M
20 +----------------------------------------------------------------------------*/
21 /*----------------------------------------------------------------------------+
23 | File Name: enetemac.h
25 | Function: Header file for the EMAC3 macro on the 405GP.
31 | Date Description of Change BY
32 | --------- --------------------- ---
33 | 29-Apr-99 Created MKW
35 +----------------------------------------------------------------------------*/
36 /*----------------------------------------------------------------------------+
38 | ported to handle 440GP and 440GX multiple EMACs
39 +----------------------------------------------------------------------------*/
41 #ifndef _emacgx_enet_h_
42 #define _emacgx_enet_h_
44 #if defined(CONFIG_440)
49 /*-----------------------------------------------------------------------------+
50 | General enternet defines. 802 frames are not supported.
51 +-----------------------------------------------------------------------------*/
52 #define ENET_ADDR_LENGTH 6
53 #define ENET_ARPTYPE 0x806
56 #define ENET_IPTYPE 0x800
57 #define ARP_CACHE_SIZE 5
60 #define NUM_RX_BUFF PKTBUFSRX
63 unsigned char dest_addr[ENET_ADDR_LENGTH];
64 unsigned char source_addr[ENET_ADDR_LENGTH];
66 unsigned char enet_data[1];
70 unsigned long inet_address;
71 unsigned char mac_address[ENET_ADDR_LENGTH];
79 #define MAX_ERR_LOG 10
81 typedef struct emac_stats_st{ /* Statistic Block */
90 short tx_err_log[MAX_ERR_LOG];
91 short rx_err_log[MAX_ERR_LOG];
92 } EMAC_STATS_ST, *EMAC_STATS_PST;
94 /* Structure containing variables used by the shared code (440gx_enet.c) */
95 typedef struct emac_440gx_hw_st {
96 uint32_t hw_addr; /* EMAC offset */
97 uint32_t tah_addr; /* TAH offset */
100 uint32_t original_fc;
102 uint32_t autoneg_failed;
104 volatile mal_desc_t *tx;
105 volatile mal_desc_t *rx;
106 bd_t *bis; /* for eth_init upon mal error */
107 mal_desc_t *alloc_tx_buf;
108 mal_desc_t *alloc_rx_buf;
112 int tbi_compatibility_en;
113 int tbi_compatibility_on;
119 int rx_slot; /* MAL Receive Slot */
120 int rx_i_index; /* Receive Interrupt Queue Index */
121 int rx_u_index; /* Receive User Queue Index */
122 int tx_slot; /* MAL Transmit Slot */
123 int tx_i_index; /* Transmit Interrupt Queue Index */
124 int tx_u_index; /* Transmit User Queue Index */
125 int rx_ready[NUM_RX_BUFF]; /* Receive Ready Queue */
126 int tx_run[NUM_TX_BUFF]; /* Transmit Running Queue */
127 int is_receiving; /* sync with eth interrupt */
128 int print_speed; /* print speed message upon start */
130 } EMAC_440GX_HW_ST, *EMAC_440GX_HW_PST;
133 #if defined(CONFIG_440GX)
134 #define EMAC_NUM_DEV 4
135 #elif defined(CONFIG_440) && !defined(CONFIG_440GX)
136 #define EMAC_NUM_DEV 2
138 #warning Bad configuration
142 /*ZMII Bridge Register addresses */
143 #if defined(CONFIG_440EP) || defined(CONFIG_440GR)
144 #define ZMII_BASE (CFG_PERIPHERAL_BASE + 0x0D00)
146 #define ZMII_BASE (CFG_PERIPHERAL_BASE + 0x0780)
148 #define ZMII_FER (ZMII_BASE)
149 #define ZMII_SSR (ZMII_BASE + 4)
150 #define ZMII_SMIISR (ZMII_BASE + 8)
152 #define ZMII_RMII 0x22000000
153 #define ZMII_MDI0 0x80000000
155 /* ZMII FER Register Bit Definitions */
156 #define ZMII_FER_MDI (0x8)
157 #define ZMII_FER_SMII (0x4)
158 #define ZMII_FER_RMII (0x2)
159 #define ZMII_FER_MII (0x1)
161 #define ZMII_FER_RSVD11 (0x00200000)
162 #define ZMII_FER_RSVD10 (0x00100000)
163 #define ZMII_FER_RSVD14_31 (0x0003FFFF)
165 #define ZMII_FER_V(__x) (((3 - __x) * 4) + 16)
168 /* ZMII Speed Selection Register Bit Definitions */
169 #define ZMII_SSR_SCI (0x4)
170 #define ZMII_SSR_FSS (0x2)
171 #define ZMII_SSR_SP (0x1)
172 #define ZMII_SSR_RSVD16_31 (0x0000FFFF)
174 #define ZMII_SSR_V(__x) (((3 - __x) * 4) + 16)
177 /* ZMII SMII Status Register Bit Definitions */
178 #define ZMII_SMIISR_E1 (0x80)
179 #define ZMII_SMIISR_EC (0x40)
180 #define ZMII_SMIISR_EN (0x20)
181 #define ZMII_SMIISR_EJ (0x10)
182 #define ZMII_SMIISR_EL (0x08)
183 #define ZMII_SMIISR_ED (0x04)
184 #define ZMII_SMIISR_ES (0x02)
185 #define ZMII_SMIISR_EF (0x01)
187 #define ZMII_SMIISR_V(__x) ((3 - __x) * 8)
189 /* RGMII Register Addresses */
190 #define RGMII_BASE (CFG_PERIPHERAL_BASE + 0x0790)
191 #define RGMII_FER (RGMII_BASE + 0x00)
192 #define RGMII_SSR (RGMII_BASE + 0x04)
194 /* RGMII Function Enable (FER) Register Bit Definitions */
195 /* Note: for EMAC 2 and 3 only, 440GX only */
196 #define RGMII_FER_DIS (0x00)
197 #define RGMII_FER_RTBI (0x04)
198 #define RGMII_FER_RGMII (0x05)
199 #define RGMII_FER_TBI (0x06)
200 #define RGMII_FER_GMII (0x07)
202 #define RGMII_FER_V(__x) ((__x - 2) * 4)
204 /* RGMII Speed Selection Register Bit Definitions */
205 #define RGMII_SSR_SP_10MBPS (0x00)
206 #define RGMII_SSR_SP_100MBPS (0x02)
207 #define RGMII_SSR_SP_1000MBPS (0x04)
209 #define RGMII_SSR_V(__x) ((__x -2) * 8)
212 /*---------------------------------------------------------------------------+
213 | TCP/IP Acceleration Hardware (TAH) 440GX Only
214 +---------------------------------------------------------------------------*/
215 #if defined(CONFIG_440GX)
216 #define TAH_BASE (CFG_PERIPHERAL_BASE + 0x0B50)
217 #define TAH_REVID (TAH_BASE + 0x0) /* Revision ID (RO)*/
218 #define TAH_MR (TAH_BASE + 0x10) /* Mode Register (R/W) */
219 #define TAH_SSR0 (TAH_BASE + 0x14) /* Segment Size Reg 0 (R/W) */
220 #define TAH_SSR1 (TAH_BASE + 0x18) /* Segment Size Reg 1 (R/W) */
221 #define TAH_SSR2 (TAH_BASE + 0x1C) /* Segment Size Reg 2 (R/W) */
222 #define TAH_SSR3 (TAH_BASE + 0x20) /* Segment Size Reg 3 (R/W) */
223 #define TAH_SSR4 (TAH_BASE + 0x24) /* Segment Size Reg 4 (R/W) */
224 #define TAH_SSR5 (TAH_BASE + 0x28) /* Segment Size Reg 5 (R/W) */
225 #define TAH_TSR (TAH_BASE + 0x2C) /* Transmit Status Register (RO) */
229 #define TAH_REV_RN_M (0x000FFF00) /* Revision Number */
230 #define TAH_REV_BN_M (0x000000FF) /* Branch Revision Number */
232 #define TAH_REV_RN_V (8)
233 #define TAH_REV_BN_V (0)
235 /* TAH Mode Register */
236 #define TAH_MR_CVR (0x80000000) /* Checksum verification on RX */
237 #define TAH_MR_SR (0x40000000) /* Software reset */
238 #define TAH_MR_ST (0x3F000000) /* Send Threshold */
239 #define TAH_MR_TFS (0x00E00000) /* Transmit FIFO size */
240 #define TAH_MR_DTFP (0x00100000) /* Disable TX FIFO parity */
241 #define TAH_MR_DIG (0x00080000) /* Disable interrupt generation */
242 #define TAH_MR_RSVD (0x0007FFFF) /* Reserved */
244 #define TAH_MR_ST_V (20)
245 #define TAH_MR_TFS_V (17)
247 #define TAH_MR_TFS_2K (0x1) /* Transmit FIFO size 2Kbyte */
248 #define TAH_MR_TFS_4K (0x2) /* Transmit FIFO size 4Kbyte */
249 #define TAH_MR_TFS_6K (0x3) /* Transmit FIFO size 6Kbyte */
250 #define TAH_MR_TFS_8K (0x4) /* Transmit FIFO size 8Kbyte */
251 #define TAH_MR_TFS_10K (0x5) /* Transmit FIFO size 10Kbyte (max)*/
254 /* TAH Segment Size Registers 0:5 */
255 #define TAH_SSR_RSVD0 (0xC0000000) /* Reserved */
256 #define TAH_SSR_SS (0x3FFE0000) /* Segment size in multiples of 2 */
257 #define TAH_SSR_RSVD1 (0x0001FFFF) /* Reserved */
259 /* TAH Transmit Status Register */
260 #define TAH_TSR_TFTS (0x80000000) /* Transmit FIFO too small */
261 #define TAH_TSR_UH (0x40000000) /* Unrecognized header */
262 #define TAH_TSR_NIPF (0x20000000) /* Not IPv4 */
263 #define TAH_TSR_IPOP (0x10000000) /* IP option present */
264 #define TAH_TSR_NISF (0x08000000) /* No IEEE SNAP format */
265 #define TAH_TSR_ILTS (0x04000000) /* IP length too short */
266 #define TAH_TSR_IPFP (0x02000000) /* IP fragment present */
267 #define TAH_TSR_UP (0x01000000) /* Unsupported protocol */
268 #define TAH_TSR_TFP (0x00800000) /* TCP flags present */
269 #define TAH_TSR_SUDP (0x00400000) /* Segmentation for UDP */
270 #define TAH_TSR_DLM (0x00200000) /* Data length mismatch */
271 #define TAH_TSR_SIEEE (0x00100000) /* Segmentation for IEEE */
272 #define TAH_TSR_TFPE (0x00080000) /* Transmit FIFO parity error */
273 #define TAH_TSR_SSTS (0x00040000) /* Segment size too small */
274 #define TAH_TSR_RSVD (0x0003FFFF) /* Reserved */
275 #endif /* CONFIG_440GX */
278 /* Ethernet MAC Regsiter Addresses */
279 #if defined(CONFIG_440EP) || defined(CONFIG_440GR)
280 #define EMAC_BASE (CFG_PERIPHERAL_BASE + 0x0E00)
282 #define EMAC_BASE (CFG_PERIPHERAL_BASE + 0x0800)
285 #define EMAC_M0 (EMAC_BASE)
286 #define EMAC_M1 (EMAC_BASE + 4)
287 #define EMAC_TXM0 (EMAC_BASE + 8)
288 #define EMAC_TXM1 (EMAC_BASE + 12)
289 #define EMAC_RXM (EMAC_BASE + 16)
290 #define EMAC_ISR (EMAC_BASE + 20)
291 #define EMAC_IER (EMAC_BASE + 24)
292 #define EMAC_IAH (EMAC_BASE + 28)
293 #define EMAC_IAL (EMAC_BASE + 32)
294 #define EMAC_VLAN_TPID_REG (EMAC_BASE + 36)
295 #define EMAC_VLAN_TCI_REG (EMAC_BASE + 40)
296 #define EMAC_PAUSE_TIME_REG (EMAC_BASE + 44)
297 #define EMAC_IND_HASH_1 (EMAC_BASE + 48)
298 #define EMAC_IND_HASH_2 (EMAC_BASE + 52)
299 #define EMAC_IND_HASH_3 (EMAC_BASE + 56)
300 #define EMAC_IND_HASH_4 (EMAC_BASE + 60)
301 #define EMAC_GRP_HASH_1 (EMAC_BASE + 64)
302 #define EMAC_GRP_HASH_2 (EMAC_BASE + 68)
303 #define EMAC_GRP_HASH_3 (EMAC_BASE + 72)
304 #define EMAC_GRP_HASH_4 (EMAC_BASE + 76)
305 #define EMAC_LST_SRC_LOW (EMAC_BASE + 80)
306 #define EMAC_LST_SRC_HI (EMAC_BASE + 84)
307 #define EMAC_I_FRAME_GAP_REG (EMAC_BASE + 88)
308 #define EMAC_STACR (EMAC_BASE + 92)
309 #define EMAC_TRTR (EMAC_BASE + 96)
310 #define EMAC_RX_HI_LO_WMARK (EMAC_BASE + 100)
312 /* bit definitions */
314 #define EMAC_M0_RXI (0x80000000)
315 #define EMAC_M0_TXI (0x40000000)
316 #define EMAC_M0_SRST (0x20000000)
317 #define EMAC_M0_TXE (0x10000000)
318 #define EMAC_M0_RXE (0x08000000)
319 #define EMAC_M0_WKE (0x04000000)
321 /* on 440GX EMAC_MR1 has a different layout! */
322 #if defined(CONFIG_440GX)
324 #define EMAC_M1_FDE (0x80000000)
325 #define EMAC_M1_ILE (0x40000000)
326 #define EMAC_M1_VLE (0x20000000)
327 #define EMAC_M1_EIFC (0x10000000)
328 #define EMAC_M1_APP (0x08000000)
329 #define EMAC_M1_RSVD (0x06000000)
330 #define EMAC_M1_IST (0x01000000)
331 #define EMAC_M1_MF_1000MBPS (0x00800000) /* 0's for 10MBPS */
332 #define EMAC_M1_MF_100MBPS (0x00400000)
333 #define EMAC_M1_RFS_16K (0x00280000) /* ~4k for 512 byte */
334 #define EMAC_M1_RFS_8K (0x00200000) /* ~4k for 512 byte */
335 #define EMAC_M1_RFS_4K (0x00180000) /* ~4k for 512 byte */
336 #define EMAC_M1_RFS_2K (0x00100000)
337 #define EMAC_M1_RFS_1K (0x00080000)
338 #define EMAC_M1_TX_FIFO_16K (0x00050000) /* 0's for 512 byte */
339 #define EMAC_M1_TX_FIFO_8K (0x00040000)
340 #define EMAC_M1_TX_FIFO_4K (0x00030000)
341 #define EMAC_M1_TX_FIFO_2K (0x00020000)
342 #define EMAC_M1_TX_FIFO_1K (0x00010000)
343 #define EMAC_M1_TR_MULTI (0x00008000) /* 0'x for single packet */
344 #define EMAC_M1_MWSW (0x00007000)
345 #define EMAC_M1_JUMBO_ENABLE (0x00000800)
346 #define EMAC_M1_IPPA (0x000007c0)
347 #define EMAC_M1_OBCI_GT100 (0x00000020)
348 #define EMAC_M1_OBCI_100 (0x00000018)
349 #define EMAC_M1_OBCI_83 (0x00000010)
350 #define EMAC_M1_OBCI_66 (0x00000008)
351 #define EMAC_M1_RSVD1 (0x00000007)
352 #else /* defined(CONFIG_440GX) */
353 /* EMAC_MR1 is the same on 405GP, 405GPr, 405EP, 440GP, 440EP */
354 #define EMAC_M1_FDE 0x80000000
355 #define EMAC_M1_ILE 0x40000000
356 #define EMAC_M1_VLE 0x20000000
357 #define EMAC_M1_EIFC 0x10000000
358 #define EMAC_M1_APP 0x08000000
359 #define EMAC_M1_AEMI 0x02000000
360 #define EMAC_M1_IST 0x01000000
361 #define EMAC_M1_MF_1000MBPS 0x00800000 /* 0's for 10MBPS */
362 #define EMAC_M1_MF_100MBPS 0x00400000
363 #define EMAC_M1_RFS_4K 0x00300000 /* ~4k for 512 byte */
364 #define EMAC_M1_RFS_2K 0x00200000
365 #define EMAC_M1_RFS_1K 0x00100000
366 #define EMAC_M1_TX_FIFO_2K 0x00080000 /* 0's for 512 byte */
367 #define EMAC_M1_TX_FIFO_1K 0x00040000
368 #define EMAC_M1_TR0_DEPEND 0x00010000 /* 0'x for single packet */
369 #define EMAC_M1_TR0_MULTI 0x00008000
370 #define EMAC_M1_TR1_DEPEND 0x00004000
371 #define EMAC_M1_TR1_MULTI 0x00002000
372 #if defined(CONFIG_440EP) || defined(CONFIG_440GR)
373 #define EMAC_M1_JUMBO_ENABLE 0x00001000
374 #endif /* defined(CONFIG_440EP) || defined(CONFIG_440GR) */
375 #endif /* defined(CONFIG_440GX) */
377 /* Transmit Mode Register 0 */
378 #define EMAC_TXM0_GNP0 (0x80000000)
379 #define EMAC_TXM0_GNP1 (0x40000000)
380 #define EMAC_TXM0_GNPD (0x20000000)
381 #define EMAC_TXM0_FC (0x10000000)
383 /* Receive Mode Register */
384 #define EMAC_RMR_SP (0x80000000)
385 #define EMAC_RMR_SFCS (0x40000000)
386 #define EMAC_RMR_ARRP (0x20000000)
387 #define EMAC_RMR_ARP (0x10000000)
388 #define EMAC_RMR_AROP (0x08000000)
389 #define EMAC_RMR_ARPI (0x04000000)
390 #define EMAC_RMR_PPP (0x02000000)
391 #define EMAC_RMR_PME (0x01000000)
392 #define EMAC_RMR_PMME (0x00800000)
393 #define EMAC_RMR_IAE (0x00400000)
394 #define EMAC_RMR_MIAE (0x00200000)
395 #define EMAC_RMR_BAE (0x00100000)
396 #define EMAC_RMR_MAE (0x00080000)
398 /* Interrupt Status & enable Regs */
399 #define EMAC_ISR_OVR (0x02000000)
400 #define EMAC_ISR_PP (0x01000000)
401 #define EMAC_ISR_BP (0x00800000)
402 #define EMAC_ISR_RP (0x00400000)
403 #define EMAC_ISR_SE (0x00200000)
404 #define EMAC_ISR_SYE (0x00100000)
405 #define EMAC_ISR_BFCS (0x00080000)
406 #define EMAC_ISR_PTLE (0x00040000)
407 #define EMAC_ISR_ORE (0x00020000)
408 #define EMAC_ISR_IRE (0x00010000)
409 #define EMAC_ISR_DBDM (0x00000200)
410 #define EMAC_ISR_DB0 (0x00000100)
411 #define EMAC_ISR_SE0 (0x00000080)
412 #define EMAC_ISR_TE0 (0x00000040)
413 #define EMAC_ISR_DB1 (0x00000020)
414 #define EMAC_ISR_SE1 (0x00000010)
415 #define EMAC_ISR_TE1 (0x00000008)
416 #define EMAC_ISR_MOS (0x00000002)
417 #define EMAC_ISR_MOF (0x00000001)
420 /* STA CONTROL REG */
421 #define EMAC_STACR_OC (0x00008000)
422 #define EMAC_STACR_PHYE (0x00004000)
423 #define EMAC_STACR_WRITE (0x00002000)
424 #define EMAC_STACR_READ (0x00001000)
425 #define EMAC_STACR_CLK_83MHZ (0x00000800) /* 0's for 50Mhz */
426 #define EMAC_STACR_CLK_66MHZ (0x00000400)
427 #define EMAC_STACR_CLK_100MHZ (0x00000C00)
429 /* Transmit Request Threshold Register */
430 #define EMAC_TRTR_256 (0x18000000) /* 0's for 64 Bytes */
431 #define EMAC_TRTR_192 (0x10000000)
432 #define EMAC_TRTR_128 (0x01000000)
434 /* the follwing defines are for the MadMAL status and control registers. */
435 /* For bits 0..5 look at the mal.h file */
436 #define EMAC_TX_CTRL_GFCS (0x0200)
437 #define EMAC_TX_CTRL_GP (0x0100)
438 #define EMAC_TX_CTRL_ISA (0x0080)
439 #define EMAC_TX_CTRL_RSA (0x0040)
440 #define EMAC_TX_CTRL_IVT (0x0020)
441 #define EMAC_TX_CTRL_RVT (0x0010)
443 #define EMAC_TX_CTRL_DEFAULT (EMAC_TX_CTRL_GFCS |EMAC_TX_CTRL_GP)
445 #define EMAC_TX_ST_BFCS (0x0200)
446 #define EMAC_TX_ST_BPP (0x0100)
447 #define EMAC_TX_ST_LCS (0x0080)
448 #define EMAC_TX_ST_ED (0x0040)
449 #define EMAC_TX_ST_EC (0x0020)
450 #define EMAC_TX_ST_LC (0x0010)
451 #define EMAC_TX_ST_MC (0x0008)
452 #define EMAC_TX_ST_SC (0x0004)
453 #define EMAC_TX_ST_UR (0x0002)
454 #define EMAC_TX_ST_SQE (0x0001)
456 #define EMAC_TX_ST_DEFAULT (0x03F3)
459 /* madmal receive status / Control bits */
461 #define EMAC_RX_ST_OE (0x0200)
462 #define EMAC_RX_ST_PP (0x0100)
463 #define EMAC_RX_ST_BP (0x0080)
464 #define EMAC_RX_ST_RP (0x0040)
465 #define EMAC_RX_ST_SE (0x0020)
466 #define EMAC_RX_ST_AE (0x0010)
467 #define EMAC_RX_ST_BFCS (0x0008)
468 #define EMAC_RX_ST_PTL (0x0004)
469 #define EMAC_RX_ST_ORE (0x0002)
470 #define EMAC_RX_ST_IRE (0x0001)
471 /* all the errors we care about */
472 #define EMAC_RX_ERRORS (0x03FF)
474 #endif /* CONFIG_440 */
475 #endif /* _enetLib_h_ */