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m68360_regs.h
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1 /***********************************
2  * $Id: m68360_regs.h,v 1.2 2002/10/26 15:03:55 gerg Exp $
3  ***********************************
4  *
5  ***************************************
6  * Definitions of the QUICC registers
7  ***************************************
8  */
9 
10 #ifndef __REGISTERS_H
11 #define __REGISTERS_H
12 
13 #define CLEAR_BIT(x, bit) x =bit
14 
15 /*****************************************************************
16  Command Register
17 *****************************************************************/
18 
19 /* bit fields within command register */
20 #define SOFTWARE_RESET 0x8000
21 #define CMD_OPCODE 0x0f00
22 #define CMD_CHANNEL 0x00f0
23 #define CMD_FLAG 0x0001
24 
25 /* general command opcodes */
26 #define INIT_RXTX_PARAMS 0x0000
27 #define INIT_RX_PARAMS 0x0100
28 #define INIT_TX_PARAMS 0x0200
29 #define ENTER_HUNT_MODE 0x0300
30 #define STOP_TX 0x0400
31 #define GR_STOP_TX 0x0500
32 #define RESTART_TX 0x0600
33 #define CLOSE_RX_BD 0x0700
34 #define SET_ENET_GROUP 0x0800
35 #define RESET_ENET_GROUP 0x0900
36 
37 /* quicc32 CP commands */
38 #define STOP_TX_32 0x0e00 /*add chan# bits 2-6 */
39 #define ENTER_HUNT_MODE_32 0x1e00
40 
41 /* quicc32 mask/event SCC register */
42 #define GOV 0x01
43 #define GUN 0x02
44 #define GINT 0x04
45 #define IQOV 0x08
46 
47 
48 /* Timer commands */
49 #define SET_TIMER 0x0800
50 
51 /* Multi channel Interrupt structure */
52 #define INTR_VALID 0x8000 /* Valid interrupt entry */
53 #define INTR_WRAP 0x4000 /* Wrap bit in the interrupt entry table */
54 #define INTR_CH_NU 0x07c0 /* Channel Num in interrupt table */
55 #define INTR_MASK_BITS 0x383f
56 
57 /*
58  * General SCC mode register (GSMR)
59  */
60 
61 #define MODE_HDLC 0x0
62 #define MODE_APPLE_TALK 0x2
63 #define MODE_SS7 0x3
64 #define MODE_UART 0x4
65 #define MODE_PROFIBUS 0x5
66 #define MODE_ASYNC_HDLC 0x6
67 #define MODE_V14 0x7
68 #define MODE_BISYNC 0x8
69 #define MODE_DDCMP 0x9
70 #define MODE_MULTI_CHANNEL 0xa
71 #define MODE_ETHERNET 0xc
72 
73 #define DIAG_NORMAL 0x0
74 #define DIAG_LOCAL_LPB 0x1
75 #define DIAG_AUTO_ECHO 0x2
76 #define DIAG_LBP_ECHO 0x3
77 
78 /* For RENC and TENC fields in GSMR */
79 #define ENC_NRZ 0x0
80 #define ENC_NRZI 0x1
81 #define ENC_FM0 0x2
82 #define ENC_MANCH 0x4
83 #define ENC_DIFF_MANC 0x6
84 
85 /* For TDCR and RDCR fields in GSMR */
86 #define CLOCK_RATE_1 0x0
87 #define CLOCK_RATE_8 0x1
88 #define CLOCK_RATE_16 0x2
89 #define CLOCK_RATE_32 0x3
90 
91 #define TPP_00 0x0
92 #define TPP_10 0x1
93 #define TPP_01 0x2
94 #define TPP_11 0x3
95 
96 #define TPL_NO 0x0
97 #define TPL_8 0x1
98 #define TPL_16 0x2
99 #define TPL_32 0x3
100 #define TPL_48 0x4
101 #define TPL_64 0x5
102 #define TPL_128 0x6
103 
104 #define TSNC_INFINITE 0x0
105 #define TSNC_14_65 0x1
106 #define TSNC_4_15 0x2
107 #define TSNC_3_1 0x3
108 
109 #define EDGE_BOTH 0x0
110 #define EDGE_POS 0x1
111 #define EDGE_NEG 0x2
112 #define EDGE_NO 0x3
113 
114 #define SYNL_NO 0x0
115 #define SYNL_4 0x1
116 #define SYNL_8 0x2
117 #define SYNL_16 0x3
118 
119 #define TCRC_CCITT16 0x0
120 #define TCRC_CRC16 0x1
121 #define TCRC_CCITT32 0x2
122 
123 
124 /*****************************************************************
125  TODR (Transmit on demand) Register
126 *****************************************************************/
127 #define TODR_TOD 0x8000 /* Transmit on demand */
128 
129 
130 /*****************************************************************
131  CICR register settings
132 *****************************************************************/
133 
134 /* note that relative irq priorities of the SCCs can be reordered
135  * if desired - see p. 7-377 of the MC68360UM */
136 #define CICR_SCA_SCC1 ((uint)0x00000000) /* SCC1 @ SCCa */
137 #define CICR_SCB_SCC2 ((uint)0x00040000) /* SCC2 @ SCCb */
138 #define CICR_SCC_SCC3 ((uint)0x00200000) /* SCC3 @ SCCc */
139 #define CICR_SCD_SCC4 ((uint)0x00c00000) /* SCC4 @ SCCd */
140 
141 #define CICR_IRL_MASK ((uint)0x0000e000) /* Core interrupt */
142 #define CICR_HP_MASK ((uint)0x00001f00) /* Hi-pri int. */
143 #define CICR_VBA_MASK ((uint)0x000000e0) /* Vector Base Address */
144 #define CICR_SPS ((uint)0x00000001) /* SCC Spread */
145 
146 
147 /*****************************************************************
148  Interrupt bits for CIPR and CIMR (MC68360UM p. 7-379)
149 *****************************************************************/
150 
151 #define INTR_PIO_PC0 0x80000000 /* parallel I/O C bit 0 */
152 #define INTR_SCC1 0x40000000 /* SCC port 1 */
153 #define INTR_SCC2 0x20000000 /* SCC port 2 */
154 #define INTR_SCC3 0x10000000 /* SCC port 3 */
155 #define INTR_SCC4 0x08000000 /* SCC port 4 */
156 #define INTR_PIO_PC1 0x04000000 /* parallel i/o C bit 1 */
157 #define INTR_TIMER1 0x02000000 /* timer 1 */
158 #define INTR_PIO_PC2 0x01000000 /* parallel i/o C bit 2 */
159 #define INTR_PIO_PC3 0x00800000 /* parallel i/o C bit 3 */
160 #define INTR_SDMA_BERR 0x00400000 /* SDMA channel bus error */
161 #define INTR_DMA1 0x00200000 /* idma 1 */
162 #define INTR_DMA2 0x00100000 /* idma 2 */
163 #define INTR_TIMER2 0x00040000 /* timer 2 */
164 #define INTR_CP_TIMER 0x00020000 /* CP timer */
165 #define INTR_PIP_STATUS 0x00010000 /* PIP status */
166 #define INTR_PIO_PC4 0x00008000 /* parallel i/o C bit 4 */
167 #define INTR_PIO_PC5 0x00004000 /* parallel i/o C bit 5 */
168 #define INTR_TIMER3 0x00001000 /* timer 3 */
169 #define INTR_PIO_PC6 0x00000800 /* parallel i/o C bit 6 */
170 #define INTR_PIO_PC7 0x00000400 /* parallel i/o C bit 7 */
171 #define INTR_PIO_PC8 0x00000200 /* parallel i/o C bit 8 */
172 #define INTR_TIMER4 0x00000080 /* timer 4 */
173 #define INTR_PIO_PC9 0x00000040 /* parallel i/o C bit 9 */
174 #define INTR_SCP 0x00000020 /* SCP */
175 #define INTR_SMC1 0x00000010 /* SMC 1 */
176 #define INTR_SMC2 0x00000008 /* SMC 2 */
177 #define INTR_PIO_PC10 0x00000004 /* parallel i/o C bit 10 */
178 #define INTR_PIO_PC11 0x00000002 /* parallel i/o C bit 11 */
179 #define INTR_ERR 0x00000001 /* error */
180 
181 
182 /*****************************************************************
183  CPM Interrupt vector encodings (MC68360UM p. 7-376)
184 *****************************************************************/
185 
186 #define CPMVEC_NR 32
187 #define CPMVEC_PIO_PC0 0x1f
188 #define CPMVEC_SCC1 0x1e
189 #define CPMVEC_SCC2 0x1d
190 #define CPMVEC_SCC3 0x1c
191 #define CPMVEC_SCC4 0x1b
192 #define CPMVEC_PIO_PC1 0x1a
193 #define CPMVEC_TIMER1 0x19
194 #define CPMVEC_PIO_PC2 0x18
195 #define CPMVEC_PIO_PC3 0x17
196 #define CPMVEC_SDMA_CB_ERR 0x16
197 #define CPMVEC_IDMA1 0x15
198 #define CPMVEC_IDMA2 0x14
199 #define CPMVEC_RESERVED3 0x13
200 #define CPMVEC_TIMER2 0x12
201 #define CPMVEC_RISCTIMER 0x11
202 #define CPMVEC_RESERVED2 0x10
203 #define CPMVEC_PIO_PC4 0x0f
204 #define CPMVEC_PIO_PC5 0x0e
205 #define CPMVEC_TIMER3 0x0c
206 #define CPMVEC_PIO_PC6 0x0b
207 #define CPMVEC_PIO_PC7 0x0a
208 #define CPMVEC_PIO_PC8 0x09
209 #define CPMVEC_RESERVED1 0x08
210 #define CPMVEC_TIMER4 0x07
211 #define CPMVEC_PIO_PC9 0x06
212 #define CPMVEC_SPI 0x05
213 #define CPMVEC_SMC1 0x04
214 #define CPMVEC_SMC2 0x03
215 #define CPMVEC_PIO_PC10 0x02
216 #define CPMVEC_PIO_PC11 0x01
217 #define CPMVEC_ERROR 0x00
218 
219 /* #define CPMVEC_PIO_PC0 ((ushort)0x1f) */
220 /* #define CPMVEC_SCC1 ((ushort)0x1e) */
221 /* #define CPMVEC_SCC2 ((ushort)0x1d) */
222 /* #define CPMVEC_SCC3 ((ushort)0x1c) */
223 /* #define CPMVEC_SCC4 ((ushort)0x1b) */
224 /* #define CPMVEC_PIO_PC1 ((ushort)0x1a) */
225 /* #define CPMVEC_TIMER1 ((ushort)0x19) */
226 /* #define CPMVEC_PIO_PC2 ((ushort)0x18) */
227 /* #define CPMVEC_PIO_PC3 ((ushort)0x17) */
228 /* #define CPMVEC_SDMA_CB_ERR ((ushort)0x16) */
229 /* #define CPMVEC_IDMA1 ((ushort)0x15) */
230 /* #define CPMVEC_IDMA2 ((ushort)0x14) */
231 /* #define CPMVEC_RESERVED3 ((ushort)0x13) */
232 /* #define CPMVEC_TIMER2 ((ushort)0x12) */
233 /* #define CPMVEC_RISCTIMER ((ushort)0x11) */
234 /* #define CPMVEC_RESERVED2 ((ushort)0x10) */
235 /* #define CPMVEC_PIO_PC4 ((ushort)0x0f) */
236 /* #define CPMVEC_PIO_PC5 ((ushort)0x0e) */
237 /* #define CPMVEC_TIMER3 ((ushort)0x0c) */
238 /* #define CPMVEC_PIO_PC6 ((ushort)0x0b) */
239 /* #define CPMVEC_PIO_PC7 ((ushort)0x0a) */
240 /* #define CPMVEC_PIO_PC8 ((ushort)0x09) */
241 /* #define CPMVEC_RESERVED1 ((ushort)0x08) */
242 /* #define CPMVEC_TIMER4 ((ushort)0x07) */
243 /* #define CPMVEC_PIO_PC9 ((ushort)0x06) */
244 /* #define CPMVEC_SPI ((ushort)0x05) */
245 /* #define CPMVEC_SMC1 ((ushort)0x04) */
246 /* #define CPMVEC_SMC2 ((ushort)0x03) */
247 /* #define CPMVEC_PIO_PC10 ((ushort)0x02) */
248 /* #define CPMVEC_PIO_PC11 ((ushort)0x01) */
249 /* #define CPMVEC_ERROR ((ushort)0x00) */
250 
251 
252 /*****************************************************************
253  * PIO control registers
254  *****************************************************************/
255 
256 /* Port A - See 360UM p. 7-358
257  *
258  * Note that most of these pins have alternate functions
259  */
260 
261 
262 /* The macros are nice, but there are all sorts of references to 1-indexed
263  * facilities on the 68360... */
264 /* #define PA_RXD(n) ((ushort)(0x01<<(2*n))) */
265 /* #define PA_TXD(n) ((ushort)(0x02<<(2*n))) */
266 
267 #define PA_RXD1 ((ushort)0x0001)
268 #define PA_TXD1 ((ushort)0x0002)
269 #define PA_RXD2 ((ushort)0x0004)
270 #define PA_TXD2 ((ushort)0x0008)
271 #define PA_RXD3 ((ushort)0x0010)
272 #define PA_TXD3 ((ushort)0x0020)
273 #define PA_RXD4 ((ushort)0x0040)
274 #define PA_TXD4 ((ushort)0x0080)
275 
276 #define PA_CLK1 ((ushort)0x0100)
277 #define PA_CLK2 ((ushort)0x0200)
278 #define PA_CLK3 ((ushort)0x0400)
279 #define PA_CLK4 ((ushort)0x0800)
280 #define PA_CLK5 ((ushort)0x1000)
281 #define PA_CLK6 ((ushort)0x2000)
282 #define PA_CLK7 ((ushort)0x4000)
283 #define PA_CLK8 ((ushort)0x8000)
284 
285 
286 /* Port B - See 360UM p. 7-362
287  */
288 
289 
290 /* Port C - See 360UM p. 7-365
291  */
292 
293 #define PC_RTS1 ((ushort)0x0001)
294 #define PC_RTS2 ((ushort)0x0002)
295 #define PC__RTS3 ((ushort)0x0004) /* !RTS3 */
296 #define PC__RTS4 ((ushort)0x0008) /* !RTS4 */
297 
298 #define PC_CTS1 ((ushort)0x0010)
299 #define PC_CD1 ((ushort)0x0020)
300 #define PC_CTS2 ((ushort)0x0040)
301 #define PC_CD2 ((ushort)0x0080)
302 #define PC_CTS3 ((ushort)0x0100)
303 #define PC_CD3 ((ushort)0x0200)
304 #define PC_CTS4 ((ushort)0x0400)
305 #define PC_CD4 ((ushort)0x0800)
306 
307 
308 
309 /*****************************************************************
310  chip select option register
311 *****************************************************************/
312 #define DTACK 0xe000
313 #define ADR_MASK 0x1ffc
314 #define RDWR_MASK 0x0002
315 #define FC_MASK 0x0001
316 
317 /*****************************************************************
318  tbase and rbase registers
319 *****************************************************************/
320 #define TBD_ADDR(quicc,pram) ((struct quicc_bd *) \
321  (quicc->ch_or_u.u.udata_bd_ucode + pram->tbase))
322 #define RBD_ADDR(quicc,pram) ((struct quicc_bd *) \
323  (quicc->ch_or_u.u.udata_bd_ucode + pram->rbase))
324 #define TBD_CUR_ADDR(quicc,pram) ((struct quicc_bd *) \
325  (quicc->ch_or_u.u.udata_bd_ucode + pram->tbptr))
326 #define RBD_CUR_ADDR(quicc,pram) ((struct quicc_bd *) \
327  (quicc->ch_or_u.u.udata_bd_ucode + pram->rbptr))
328 #define TBD_SET_CUR_ADDR(bd,quicc,pram) pram->tbptr = \
329  ((unsigned short)((char *)(bd) - (char *)(quicc->ch_or_u.u.udata_bd_ucode)))
330 #define RBD_SET_CUR_ADDR(bd,quicc,pram) pram->rbptr = \
331  ((unsigned short)((char *)(bd) - (char *)(quicc->ch_or_u.u.udata_bd_ucode)))
332 #define INCREASE_TBD(bd,quicc,pram) { \
333  if((bd)->status & T_W) \
334  (bd) = TBD_ADDR(quicc,pram); \
335  else \
336  (bd)++; \
337 }
338 #define DECREASE_TBD(bd,quicc,pram) { \
339  if ((bd) == TBD_ADDR(quicc, pram)) \
340  while (!((bd)->status & T_W)) \
341  (bd)++; \
342  else \
343  (bd)--; \
344 }
345 #define INCREASE_RBD(bd,quicc,pram) { \
346  if((bd)->status & R_W) \
347  (bd) = RBD_ADDR(quicc,pram); \
348  else \
349  (bd)++; \
350 }
351 #define DECREASE_RBD(bd,quicc,pram) { \
352  if ((bd) == RBD_ADDR(quicc, pram)) \
353  while (!((bd)->status & T_W)) \
354  (bd)++; \
355  else \
356  (bd)--; \
357 }
358 
359 /*****************************************************************
360  Macros for Multi channel
361 *****************************************************************/
362 #define QMC_BASE(quicc,page) (struct global_multi_pram *)(&quicc->pram[page])
363 #define MCBASE(quicc,page) (unsigned long)(quicc->pram[page].m.mcbase)
364 #define CHANNEL_PRAM_BASE(quicc,channel) ((struct quicc32_pram *) \
365  (&(quicc->ch_or_u.ch_pram_tbl[channel])))
366 #define TBD_32_ADDR(quicc,page,channel) ((struct quicc_bd *) \
367  (MCBASE(quicc,page) + (CHANNEL_PRAM_BASE(quicc,channel)->tbase)))
368 #define RBD_32_ADDR(quicc,page,channel) ((struct quicc_bd *) \
369  (MCBASE(quicc,page) + (CHANNEL_PRAM_BASE(quicc,channel)->rbase)))
370 #define TBD_32_CUR_ADDR(quicc,page,channel) ((struct quicc_bd *) \
371  (MCBASE(quicc,page) + (CHANNEL_PRAM_BASE(quicc,channel)->tbptr)))
372 #define RBD_32_CUR_ADDR(quicc,page,channel) ((struct quicc_bd *) \
373  (MCBASE(quicc,page) + (CHANNEL_PRAM_BASE(quicc,channel)->rbptr)))
374 #define TBD_32_SET_CUR_ADDR(bd,quicc,page,channel) \
375  CHANNEL_PRAM_BASE(quicc,channel)->tbptr = \
376  ((unsigned short)((char *)(bd) - (char *)(MCBASE(quicc,page))))
377 #define RBD_32_SET_CUR_ADDR(bd,quicc,page,channel) \
378  CHANNEL_PRAM_BASE(quicc,channel)->rbptr = \
379  ((unsigned short)((char *)(bd) - (char *)(MCBASE(quicc,page))))
380 
381 #define INCREASE_TBD_32(bd,quicc,page,channel) { \
382  if((bd)->status & T_W) \
383  (bd) = TBD_32_ADDR(quicc,page,channel); \
384  else \
385  (bd)++; \
386 }
387 #define DECREASE_TBD_32(bd,quicc,page,channel) { \
388  if ((bd) == TBD_32_ADDR(quicc, page,channel)) \
389  while (!((bd)->status & T_W)) \
390  (bd)++; \
391  else \
392  (bd)--; \
393 }
394 #define INCREASE_RBD_32(bd,quicc,page,channel) { \
395  if((bd)->status & R_W) \
396  (bd) = RBD_32_ADDR(quicc,page,channel); \
397  else \
398  (bd)++; \
399 }
400 #define DECREASE_RBD_32(bd,quicc,page,channel) { \
401  if ((bd) == RBD_32_ADDR(quicc, page,channel)) \
402  while (!((bd)->status & T_W)) \
403  (bd)++; \
404  else \
405  (bd)--; \
406 }
407 
408 #endif
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