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1 /*
2 * MPC8xx Communication Processor Module.
3 * Copyright (c) 1997 Dan Malek (dmalek@jlc.net)
4 *
5 * (C) Copyright 2000-2006
6 * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
7 *
8 * This file contains structures and information for the communication
9 * processor channels. Some CPM control and status is available
10 * throught the MPC8xx internal memory map. See immap.h for details.
11 * This file only contains what I need for the moment, not the total
12 * CPM capabilities. I (or someone else) will add definitions as they
13 * are needed. -- Dan
14 *
15 */
16 #ifndef __CPM_8XX__
17 #define __CPM_8XX__
18
19 #include <asm/8xx_immap.h>
20
21 /* CPM Command register.
22 */
23 #define CPM_CR_RST ((ushort)0x8000)
24 #define CPM_CR_OPCODE ((ushort)0x0f00)
25 #define CPM_CR_CHAN ((ushort)0x00f0)
26 #define CPM_CR_FLG ((ushort)0x0001)
27
28 /* Some commands (there are more...later)
29 */
30 #define CPM_CR_INIT_TRX ((ushort)0x0000)
31 #define CPM_CR_INIT_RX ((ushort)0x0001)
32 #define CPM_CR_INIT_TX ((ushort)0x0002)
33 #define CPM_CR_HUNT_MODE ((ushort)0x0003)
34 #define CPM_CR_STOP_TX ((ushort)0x0004)
35 #define CPM_CR_RESTART_TX ((ushort)0x0006)
36 #define CPM_CR_SET_GADDR ((ushort)0x0008)
37
38 /* Channel numbers.
39 */
40 #define CPM_CR_CH_SCC1 ((ushort)0x0000)
41 #define CPM_CR_CH_I2C ((ushort)0x0001) /* I2C and IDMA1 */
42 #define CPM_CR_CH_SCC2 ((ushort)0x0004)
43 #define CPM_CR_CH_SPI ((ushort)0x0005) /* SPI/IDMA2/Timers */
44 #define CPM_CR_CH_SCC3 ((ushort)0x0008)
45 #define CPM_CR_CH_SMC1 ((ushort)0x0009) /* SMC1 / DSP1 */
46 #define CPM_CR_CH_SCC4 ((ushort)0x000c)
47 #define CPM_CR_CH_SMC2 ((ushort)0x000d) /* SMC2 / DSP2 */
48
49 #define mk_cr_cmd(CH, CMD) ((CMD << 8) | (CH << 4))
50
51 /*
52 * DPRAM defines and allocation functions
53 */
54
55 /* The dual ported RAM is multi-functional. Some areas can be (and are
56 * being) used for microcode. There is an area that can only be used
57 * as data ram for buffer descriptors, which is all we use right now.
58 * Currently the first 512 and last 256 bytes are used for microcode.
59 */
60 #ifdef CONFIG_SYS_ALLOC_DPRAM
61
62 #define CPM_DATAONLY_BASE ((uint)0x0800)
63 #define CPM_DATAONLY_SIZE ((uint)0x0700)
64 #define CPM_DP_NOSPACE ((uint)0x7fffffff)
65
66 #else
67
68 #define CPM_SERIAL_BASE 0x0800
69 #define CPM_I2C_BASE 0x0820
70 #define CPM_SPI_BASE 0x0840
71 #define CPM_FEC_BASE 0x0860
72 #define CPM_SERIAL2_BASE 0x08E0
73 #define CPM_SCC_BASE 0x0900
74 #define CPM_POST_BASE 0x0980
75 #define CPM_WLKBD_BASE 0x0a00
76
77 #endif
78
79 #ifndef CONFIG_SYS_CPM_POST_WORD_ADDR
80 #define CPM_POST_WORD_ADDR 0x07FC
81 #else
82 #define CPM_POST_WORD_ADDR CONFIG_SYS_CPM_POST_WORD_ADDR
83 #endif
84
85 #ifndef CONFIG_SYS_CPM_BOOTCOUNT_ADDR
86 #define CPM_BOOTCOUNT_ADDR (CPM_POST_WORD_ADDR - 2*sizeof(ulong))
87 #else
88 #define CPM_BOOTCOUNT_ADDR CONFIG_SYS_CPM_BOOTCOUNT_ADDR
89 #endif
90
91 #define BD_IIC_START ((uint) 0x0400) /* <- please use CPM_I2C_BASE !! */
92
93 /* Export the base address of the communication processor registers
94 * and dual port ram.
95 */
96 extern cpm8xx_t *cpmp; /* Pointer to comm processor */
97
98 /* Buffer descriptors used by many of the CPM protocols.
99 */
100 typedef struct cpm_buf_desc {
101 ushort cbd_sc; /* Status and Control */
102 ushort cbd_datlen; /* Data length in buffer */
103 uint cbd_bufaddr; /* Buffer address in host memory */
104 } cbd_t;
105
106 #define BD_SC_EMPTY ((ushort)0x8000) /* Receive is empty */
107 #define BD_SC_READY ((ushort)0x8000) /* Transmit is ready */
108 #define BD_SC_WRAP ((ushort)0x2000) /* Last buffer descriptor */
109 #define BD_SC_INTRPT ((ushort)0x1000) /* Interrupt on change */
110 #define BD_SC_LAST ((ushort)0x0800) /* Last buffer in frame */
111 #define BD_SC_TC ((ushort)0x0400) /* Transmit CRC */
112 #define BD_SC_CM ((ushort)0x0200) /* Continous mode */
113 #define BD_SC_ID ((ushort)0x0100) /* Rec'd too many idles */
114 #define BD_SC_P ((ushort)0x0100) /* xmt preamble */
115 #define BD_SC_BR ((ushort)0x0020) /* Break received */
116 #define BD_SC_FR ((ushort)0x0010) /* Framing error */
117 #define BD_SC_PR ((ushort)0x0008) /* Parity error */
118 #define BD_SC_OV ((ushort)0x0002) /* Overrun */
119 #define BD_SC_CD ((ushort)0x0001) /* Carrier Detect lost */
120
121 /* Parameter RAM offsets.
122 */
123 #define PROFF_SCC1 ((uint)0x0000)
124 #define PROFF_IIC ((uint)0x0080)
125 #define PROFF_REVNUM ((uint)0x00b0)
126 #define PROFF_SCC2 ((uint)0x0100)
127 #define PROFF_SPI ((uint)0x0180)
128 #define PROFF_SCC3 ((uint)0x0200)
129 #define PROFF_SMC1 ((uint)0x0280)
130 #define PROFF_SCC4 ((uint)0x0300)
131 #define PROFF_SMC2 ((uint)0x0380)
132
133 /* Define enough so I can at least use the serial port as a UART.
134 */
135 typedef struct smc_uart {
136 ushort smc_rbase; /* Rx Buffer descriptor base address */
137 ushort smc_tbase; /* Tx Buffer descriptor base address */
138 u_char smc_rfcr; /* Rx function code */
139 u_char smc_tfcr; /* Tx function code */
140 ushort smc_mrblr; /* Max receive buffer length */
141 uint smc_rstate; /* Internal */
142 uint smc_idp; /* Internal */
143 ushort smc_rbptr; /* Internal */
144 ushort smc_ibc; /* Internal */
145 uint smc_rxtmp; /* Internal */
146 uint smc_tstate; /* Internal */
147 uint smc_tdp; /* Internal */
148 ushort smc_tbptr; /* Internal */
149 ushort smc_tbc; /* Internal */
150 uint smc_txtmp; /* Internal */
151 ushort smc_maxidl; /* Maximum idle characters */
152 ushort smc_tmpidl; /* Temporary idle counter */
153 ushort smc_brklen; /* Last received break length */
154 ushort smc_brkec; /* rcv'd break condition counter */
155 ushort smc_brkcr; /* xmt break count register */
156 ushort smc_rmask; /* Temporary bit mask */
157 u_char res1[8];
158 ushort smc_rpbase; /* Relocation pointer */
159 } smc_uart_t;
160
161 /* Function code bits.
162 */
163 #define SMC_EB ((u_char)0x10) /* Set big endian byte order */
164
165 /* SMC uart mode register.
166 */
167 #define SMCMR_REN ((ushort)0x0001)
168 #define SMCMR_TEN ((ushort)0x0002)
169 #define SMCMR_DM ((ushort)0x000c)
170 #define SMCMR_SM_GCI ((ushort)0x0000)
171 #define SMCMR_SM_UART ((ushort)0x0020)
172 #define SMCMR_SM_TRANS ((ushort)0x0030)
173 #define SMCMR_SM_MASK ((ushort)0x0030)
174 #define SMCMR_PM_EVEN ((ushort)0x0100) /* Even parity, else odd */
175 #define SMCMR_REVD SMCMR_PM_EVEN
176 #define SMCMR_PEN ((ushort)0x0200) /* Parity enable */
177 #define SMCMR_BS SMCMR_PEN
178 #define SMCMR_SL ((ushort)0x0400) /* Two stops, else one */
179 #define SMCR_CLEN_MASK ((ushort)0x7800) /* Character length */
180 #define smcr_mk_clen(C) (((C) << 11) & SMCR_CLEN_MASK)
181
182 /* SMC2 as Centronics parallel printer. It is half duplex, in that
183 * it can only receive or transmit. The parameter ram values for
184 * each direction are either unique or properly overlap, so we can
185 * include them in one structure.
186 */
187 typedef struct smc_centronics {
188 ushort scent_rbase;
189 ushort scent_tbase;
190 u_char scent_cfcr;
191 u_char scent_smask;
192 ushort scent_mrblr;
193 uint scent_rstate;
194 uint scent_r_ptr;
195 ushort scent_rbptr;
196 ushort scent_r_cnt;
197 uint scent_rtemp;
198 uint scent_tstate;
199 uint scent_t_ptr;
200 ushort scent_tbptr;
201 ushort scent_t_cnt;
202 uint scent_ttemp;
203 ushort scent_max_sl;
204 ushort scent_sl_cnt;
205 ushort scent_character1;
206 ushort scent_character2;
207 ushort scent_character3;
208 ushort scent_character4;
209 ushort scent_character5;
210 ushort scent_character6;
211 ushort scent_character7;
212 ushort scent_character8;
213 ushort scent_rccm;
214 ushort scent_rccr;
215 } smc_cent_t;
216
217 /* Centronics Status Mask Register.
218 */
219 #define SMC_CENT_F ((u_char)0x08)
220 #define SMC_CENT_PE ((u_char)0x04)
221 #define SMC_CENT_S ((u_char)0x02)
222
223 /* SMC Event and Mask register.
224 */
225 #define SMCM_BRKE ((unsigned char)0x40) /* When in UART Mode */
226 #define SMCM_BRK ((unsigned char)0x10) /* When in UART Mode */
227 #define SMCM_TXE ((unsigned char)0x10) /* When in Transparent Mode */
228 #define SMCM_BSY ((unsigned char)0x04)
229 #define SMCM_TX ((unsigned char)0x02)
230 #define SMCM_RX ((unsigned char)0x01)
231
232 /* Baud rate generators.
233 */
234 #define CPM_BRG_RST ((uint)0x00020000)
235 #define CPM_BRG_EN ((uint)0x00010000)
236 #define CPM_BRG_EXTC_INT ((uint)0x00000000)
237 #define CPM_BRG_EXTC_CLK2 ((uint)0x00004000)
238 #define CPM_BRG_EXTC_CLK6 ((uint)0x00008000)
239 #define CPM_BRG_ATB ((uint)0x00002000)
240 #define CPM_BRG_CD_MASK ((uint)0x00001ffe)
241 #define CPM_BRG_DIV16 ((uint)0x00000001)
242
243 /* SI Clock Route Register
244 */
245 #define SICR_RCLK_SCC1_BRG1 ((uint)0x00000000)
246 #define SICR_TCLK_SCC1_BRG1 ((uint)0x00000000)
247 #define SICR_RCLK_SCC2_BRG2 ((uint)0x00000800)
248 #define SICR_TCLK_SCC2_BRG2 ((uint)0x00000100)
249 #define SICR_RCLK_SCC3_BRG3 ((uint)0x00100000)
250 #define SICR_TCLK_SCC3_BRG3 ((uint)0x00020000)
251 #define SICR_RCLK_SCC4_BRG4 ((uint)0x18000000)
252 #define SICR_TCLK_SCC4_BRG4 ((uint)0x03000000)
253
254 /* SCCs.
255 */
256 #define SCC_GSMRH_IRP ((uint)0x00040000)
257 #define SCC_GSMRH_GDE ((uint)0x00010000)
258 #define SCC_GSMRH_TCRC_CCITT ((uint)0x00008000)
259 #define SCC_GSMRH_TCRC_BISYNC ((uint)0x00004000)
260 #define SCC_GSMRH_TCRC_HDLC ((uint)0x00000000)
261 #define SCC_GSMRH_REVD ((uint)0x00002000)
262 #define SCC_GSMRH_TRX ((uint)0x00001000)
263 #define SCC_GSMRH_TTX ((uint)0x00000800)
264 #define SCC_GSMRH_CDP ((uint)0x00000400)
265 #define SCC_GSMRH_CTSP ((uint)0x00000200)
266 #define SCC_GSMRH_CDS ((uint)0x00000100)
267 #define SCC_GSMRH_CTSS ((uint)0x00000080)
268 #define SCC_GSMRH_TFL ((uint)0x00000040)
269 #define SCC_GSMRH_RFW ((uint)0x00000020)
270 #define SCC_GSMRH_TXSY ((uint)0x00000010)
271 #define SCC_GSMRH_SYNL16 ((uint)0x0000000c)
272 #define SCC_GSMRH_SYNL8 ((uint)0x00000008)
273 #define SCC_GSMRH_SYNL4 ((uint)0x00000004)
274 #define SCC_GSMRH_RTSM ((uint)0x00000002)
275 #define SCC_GSMRH_RSYN ((uint)0x00000001)
276
277 #define SCC_GSMRL_SIR ((uint)0x80000000) /* SCC2 only */
278 #define SCC_GSMRL_EDGE_NONE ((uint)0x60000000)
279 #define SCC_GSMRL_EDGE_NEG ((uint)0x40000000)
280 #define SCC_GSMRL_EDGE_POS ((uint)0x20000000)
281 #define SCC_GSMRL_EDGE_BOTH ((uint)0x00000000)
282 #define SCC_GSMRL_TCI ((uint)0x10000000)
283 #define SCC_GSMRL_TSNC_3 ((uint)0x0c000000)
284 #define SCC_GSMRL_TSNC_4 ((uint)0x08000000)
285 #define SCC_GSMRL_TSNC_14 ((uint)0x04000000)
286 #define SCC_GSMRL_TSNC_INF ((uint)0x00000000)
287 #define SCC_GSMRL_RINV ((uint)0x02000000)
288 #define SCC_GSMRL_TINV ((uint)0x01000000)
289 #define SCC_GSMRL_TPL_128 ((uint)0x00c00000)
290 #define SCC_GSMRL_TPL_64 ((uint)0x00a00000)
291 #define SCC_GSMRL_TPL_48 ((uint)0x00800000)
292 #define SCC_GSMRL_TPL_32 ((uint)0x00600000)
293 #define SCC_GSMRL_TPL_16 ((uint)0x00400000)
294 #define SCC_GSMRL_TPL_8 ((uint)0x00200000)
295 #define SCC_GSMRL_TPL_NONE ((uint)0x00000000)
296 #define SCC_GSMRL_TPP_ALL1 ((uint)0x00180000)
297 #define SCC_GSMRL_TPP_01 ((uint)0x00100000)
298 #define SCC_GSMRL_TPP_10 ((uint)0x00080000)
299 #define SCC_GSMRL_TPP_ZEROS ((uint)0x00000000)
300 #define SCC_GSMRL_TEND ((uint)0x00040000)
301 #define SCC_GSMRL_TDCR_32 ((uint)0x00030000)
302 #define SCC_GSMRL_TDCR_16 ((uint)0x00020000)
303 #define SCC_GSMRL_TDCR_8 ((uint)0x00010000)
304 #define SCC_GSMRL_TDCR_1 ((uint)0x00000000)
305 #define SCC_GSMRL_RDCR_32 ((uint)0x0000c000)
306 #define SCC_GSMRL_RDCR_16 ((uint)0x00008000)
307 #define SCC_GSMRL_RDCR_8 ((uint)0x00004000)
308 #define SCC_GSMRL_RDCR_1 ((uint)0x00000000)
309 #define SCC_GSMRL_RENC_DFMAN ((uint)0x00003000)
310 #define SCC_GSMRL_RENC_MANCH ((uint)0x00002000)
311 #define SCC_GSMRL_RENC_FM0 ((uint)0x00001000)
312 #define SCC_GSMRL_RENC_NRZI ((uint)0x00000800)
313 #define SCC_GSMRL_RENC_NRZ ((uint)0x00000000)
314 #define SCC_GSMRL_TENC_DFMAN ((uint)0x00000600)
315 #define SCC_GSMRL_TENC_MANCH ((uint)0x00000400)
316 #define SCC_GSMRL_TENC_FM0 ((uint)0x00000200)
317 #define SCC_GSMRL_TENC_NRZI ((uint)0x00000100)
318 #define SCC_GSMRL_TENC_NRZ ((uint)0x00000000)
319 #define SCC_GSMRL_DIAG_LE ((uint)0x000000c0) /* Loop and echo */
320 #define SCC_GSMRL_DIAG_ECHO ((uint)0x00000080)
321 #define SCC_GSMRL_DIAG_LOOP ((uint)0x00000040)
322 #define SCC_GSMRL_DIAG_NORM ((uint)0x00000000)
323 #define SCC_GSMRL_ENR ((uint)0x00000020)
324 #define SCC_GSMRL_ENT ((uint)0x00000010)
325 #define SCC_GSMRL_MODE_ENET ((uint)0x0000000c)
326 #define SCC_GSMRL_MODE_DDCMP ((uint)0x00000009)
327 #define SCC_GSMRL_MODE_BISYNC ((uint)0x00000008)
328 #define SCC_GSMRL_MODE_V14 ((uint)0x00000007)
329 #define SCC_GSMRL_MODE_AHDLC ((uint)0x00000006)
330 #define SCC_GSMRL_MODE_PROFIBUS ((uint)0x00000005)
331 #define SCC_GSMRL_MODE_UART ((uint)0x00000004)
332 #define SCC_GSMRL_MODE_SS7 ((uint)0x00000003)
333 #define SCC_GSMRL_MODE_ATALK ((uint)0x00000002)
334 #define SCC_GSMRL_MODE_HDLC ((uint)0x00000000)
335
336 #define SCC_TODR_TOD ((ushort)0x8000)
337
338 /* SCC Event and Mask register.
339 */
340 #define SCCM_TXE ((unsigned char)0x10)
341 #define SCCM_BSY ((unsigned char)0x04)
342 #define SCCM_TX ((unsigned char)0x02)
343 #define SCCM_RX ((unsigned char)0x01)
344
345 typedef struct scc_param {
346 ushort scc_rbase; /* Rx Buffer descriptor base address */
347 ushort scc_tbase; /* Tx Buffer descriptor base address */
348 u_char scc_rfcr; /* Rx function code */
349 u_char scc_tfcr; /* Tx function code */
350 ushort scc_mrblr; /* Max receive buffer length */
351 uint scc_rstate; /* Internal */
352 uint scc_idp; /* Internal */
353 ushort scc_rbptr; /* Internal */
354 ushort scc_ibc; /* Internal */
355 uint scc_rxtmp; /* Internal */
356 uint scc_tstate; /* Internal */
357 uint scc_tdp; /* Internal */
358 ushort scc_tbptr; /* Internal */
359 ushort scc_tbc; /* Internal */
360 uint scc_txtmp; /* Internal */
361 uint scc_rcrc; /* Internal */
362 uint scc_tcrc; /* Internal */
363 } sccp_t;
364
365 /* Function code bits.
366 */
367 #define SCC_EB ((u_char)0x10) /* Set big endian byte order */
368
369 /* CPM Ethernet through SCCx.
370 */
371 typedef struct scc_enet {
372 sccp_t sen_genscc;
373 uint sen_cpres; /* Preset CRC */
374 uint sen_cmask; /* Constant mask for CRC */
375 uint sen_crcec; /* CRC Error counter */
376 uint sen_alec; /* alignment error counter */
377 uint sen_disfc; /* discard frame counter */
378 ushort sen_pads; /* Tx short frame pad character */
379 ushort sen_retlim; /* Retry limit threshold */
380 ushort sen_retcnt; /* Retry limit counter */
381 ushort sen_maxflr; /* maximum frame length register */
382 ushort sen_minflr; /* minimum frame length register */
383 ushort sen_maxd1; /* maximum DMA1 length */
384 ushort sen_maxd2; /* maximum DMA2 length */
385 ushort sen_maxd; /* Rx max DMA */
386 ushort sen_dmacnt; /* Rx DMA counter */
387 ushort sen_maxb; /* Max BD byte count */
388 ushort sen_gaddr1; /* Group address filter */
389 ushort sen_gaddr2;
390 ushort sen_gaddr3;
391 ushort sen_gaddr4;
392 uint sen_tbuf0data0; /* Save area 0 - current frame */
393 uint sen_tbuf0data1; /* Save area 1 - current frame */
394 uint sen_tbuf0rba; /* Internal */
395 uint sen_tbuf0crc; /* Internal */
396 ushort sen_tbuf0bcnt; /* Internal */
397 ushort sen_paddrh; /* physical address (MSB) */
398 ushort sen_paddrm;
399 ushort sen_paddrl; /* physical address (LSB) */
400 ushort sen_pper; /* persistence */
401 ushort sen_rfbdptr; /* Rx first BD pointer */
402 ushort sen_tfbdptr; /* Tx first BD pointer */
403 ushort sen_tlbdptr; /* Tx last BD pointer */
404 uint sen_tbuf1data0; /* Save area 0 - current frame */
405 uint sen_tbuf1data1; /* Save area 1 - current frame */
406 uint sen_tbuf1rba; /* Internal */
407 uint sen_tbuf1crc; /* Internal */
408 ushort sen_tbuf1bcnt; /* Internal */
409 ushort sen_txlen; /* Tx Frame length counter */
410 ushort sen_iaddr1; /* Individual address filter */
411 ushort sen_iaddr2;
412 ushort sen_iaddr3;
413 ushort sen_iaddr4;
414 ushort sen_boffcnt; /* Backoff counter */
415
416 /* NOTE: Some versions of the manual have the following items
417 * incorrectly documented. Below is the proper order.
418 */
419 ushort sen_taddrh; /* temp address (MSB) */
420 ushort sen_taddrm;
421 ushort sen_taddrl; /* temp address (LSB) */
422 } scc_enet_t;
423
424 /**********************************************************************
425 *
426 * Board specific configuration settings.
427 *
428 * Please note that we use the presence of a #define SCC_ENET and/or
429 * #define FEC_ENET to enable the SCC resp. FEC ethernet drivers.
430 **********************************************************************/
431
432 /*** BSEIP **********************************************************/
433
434 #ifdef CONFIG_BSEIP
435 /* This ENET stuff is for the MPC823 with ethernet on SCC2.
436 * This is unique to the BSE ip-Engine board.
437 */
438 #define PROFF_ENET PROFF_SCC2
439 #define CPM_CR_ENET CPM_CR_CH_SCC2
440 #define SCC_ENET 1
441 #define PA_ENET_RXD ((ushort)0x0004)
442 #define PA_ENET_TXD ((ushort)0x0008)
443 #define PA_ENET_TCLK ((ushort)0x0100)
444 #define PA_ENET_RCLK ((ushort)0x0200)
445 #define PB_ENET_TENA ((uint)0x00002000)
446 #define PC_ENET_CLSN ((ushort)0x0040)
447 #define PC_ENET_RENA ((ushort)0x0080)
448
449 /* BSE uses port B and C bits for PHY control also.
450 */
451 #define PB_BSE_POWERUP ((uint)0x00000004)
452 #define PB_BSE_FDXDIS ((uint)0x00008000)
453 #define PC_BSE_LOOPBACK ((ushort)0x0800)
454
455 #define SICR_ENET_MASK ((uint)0x0000ff00)
456 #define SICR_ENET_CLKRT ((uint)0x00002c00)
457 #endif /* CONFIG_BSEIP */
458
459 /*** KM8XX *********************************************************/
460
461 /* The KM8XX Service Module uses SCC3 for Ethernet */
462
463 #ifdef CONFIG_KM8XX
464 #define PROFF_ENET PROFF_SCC3 /* Ethernet on SCC3 */
465 #define CPM_CR_ENET CPM_CR_CH_SCC3
466 #define SCC_ENET 2
467 #define PA_ENET_RXD ((ushort)0x0010) /* PA 11 */
468 #define PA_ENET_TXD ((ushort)0x0020) /* PA 10 */
469 #define PA_ENET_RCLK ((ushort)0x1000) /* PA 3 CLK 5 */
470 #define PA_ENET_TCLK ((ushort)0x2000) /* PA 2 CLK 6 */
471
472 #define PC_ENET_TENA ((ushort)0x0004) /* PC 13 */
473
474 #define PC_ENET_RENA ((ushort)0x0200) /* PC 6 */
475 #define PC_ENET_CLSN ((ushort)0x0100) /* PC 7 */
476
477 /* Control bits in the SICR to route TCLK (CLK6) and RCLK (CLK5) to
478 * SCC3. Also, make sure GR3 (bit 8) and SC3 (bit 9) are zero.
479 */
480 #define SICR_ENET_MASK ((uint)0x00FF0000)
481 #define SICR_ENET_CLKRT ((uint)0x00250000)
482 #endif /* CONFIG_KM8XX */
483
484 /*** MVS1, TQM823L/M, TQM850L/M, TQM885D, R360MPI **********/
485
486 #if (defined(CONFIG_MVS) && CONFIG_MVS < 2) || \
487 defined(CONFIG_TQM823L) || \
488 defined(CONFIG_TQM823M) || defined(CONFIG_TQM850L) || \
489 defined(CONFIG_TQM850M) || defined(CONFIG_TQM885D)
490
491 /* Bits in parallel I/O port registers that have to be set/cleared
492 * to configure the pins for SCC2 use.
493 */
494 #define PROFF_ENET PROFF_SCC2
495 #define CPM_CR_ENET CPM_CR_CH_SCC2
496 #define SCC_ENET 1
497 #define PA_ENET_RXD ((ushort)0x0004) /* PA 13 */
498 #define PA_ENET_TXD ((ushort)0x0008) /* PA 12 */
499 #define PA_ENET_RCLK ((ushort)0x0100) /* PA 7 */
500 #define PA_ENET_TCLK ((ushort)0x0400) /* PA 5 */
501
502 #define PB_ENET_TENA ((uint)0x00002000) /* PB 18 */
503
504 #define PC_ENET_CLSN ((ushort)0x0040) /* PC 9 */
505 #define PC_ENET_RENA ((ushort)0x0080) /* PC 8 */
506
507 /* Control bits in the SICR to route TCLK (CLK3) and RCLK (CLK1) to
508 * SCC2. Also, make sure GR2 (bit 16) and SC2 (bit 17) are zero.
509 */
510 #define SICR_ENET_MASK ((uint)0x0000ff00)
511 #define SICR_ENET_CLKRT ((uint)0x00002600)
512
513 # ifdef CONFIG_FEC_ENET /* Use FEC for Fast Ethernet */
514 #define FEC_ENET
515 # endif /* CONFIG_FEC_ENET */
516
517 #endif /* CONFIG_MVS v1, CONFIG_TQM823L/M, CONFIG_TQM850L/M, etc. */
518
519 /*** TQM855L/M, TQM860L/M, TQM862L/M, TQM866L/M *********************/
520
521 #if defined(CONFIG_TQM855L) || defined(CONFIG_TQM855M) || \
522 defined(CONFIG_TQM860L) || defined(CONFIG_TQM860M) || \
523 defined(CONFIG_TQM862L) || defined(CONFIG_TQM862M) || \
524 defined(CONFIG_TQM866L) || defined(CONFIG_TQM866M)
525
526 # ifdef CONFIG_SCC1_ENET /* use SCC for 10Mbps Ethernet */
527
528 /* Bits in parallel I/O port registers that have to be set/cleared
529 * to configure the pins for SCC1 use.
530 */
531 #define PROFF_ENET PROFF_SCC1
532 #define CPM_CR_ENET CPM_CR_CH_SCC1
533 #define SCC_ENET 0
534 #define PA_ENET_RXD ((ushort)0x0001) /* PA 15 */
535 #define PA_ENET_TXD ((ushort)0x0002) /* PA 14 */
536 #define PA_ENET_RCLK ((ushort)0x0100) /* PA 7 */
537 #define PA_ENET_TCLK ((ushort)0x0400) /* PA 5 */
538
539 #define PC_ENET_TENA ((ushort)0x0001) /* PC 15 */
540 #define PC_ENET_CLSN ((ushort)0x0010) /* PC 11 */
541 #define PC_ENET_RENA ((ushort)0x0020) /* PC 10 */
542
543 /* Control bits in the SICR to route TCLK (CLK3) and RCLK (CLK1) to
544 * SCC1. Also, make sure GR1 (bit 24) and SC1 (bit 25) are zero.
545 */
546 #define SICR_ENET_MASK ((uint)0x000000ff)
547 #define SICR_ENET_CLKRT ((uint)0x00000026)
548
549 # endif /* CONFIG_SCC1_ENET */
550
551 # ifdef CONFIG_FEC_ENET /* Use FEC for Fast Ethernet */
552
553 #define FEC_ENET
554
555 #define PD_MII_TXD1 ((ushort)0x1000) /* PD 3 */
556 #define PD_MII_TXD2 ((ushort)0x0800) /* PD 4 */
557 #define PD_MII_TXD3 ((ushort)0x0400) /* PD 5 */
558 #define PD_MII_RX_DV ((ushort)0x0200) /* PD 6 */
559 #define PD_MII_RX_ERR ((ushort)0x0100) /* PD 7 */
560 #define PD_MII_RX_CLK ((ushort)0x0080) /* PD 8 */
561 #define PD_MII_TXD0 ((ushort)0x0040) /* PD 9 */
562 #define PD_MII_RXD0 ((ushort)0x0020) /* PD 10 */
563 #define PD_MII_TX_ERR ((ushort)0x0010) /* PD 11 */
564 #define PD_MII_MDC ((ushort)0x0008) /* PD 12 */
565 #define PD_MII_RXD1 ((ushort)0x0004) /* PD 13 */
566 #define PD_MII_RXD2 ((ushort)0x0002) /* PD 14 */
567 #define PD_MII_RXD3 ((ushort)0x0001) /* PD 15 */
568
569 #define PD_MII_MASK ((ushort)0x1FFF) /* PD 3...15 */
570
571 # endif /* CONFIG_FEC_ENET */
572 #endif /* CONFIG_TQM855L/M, TQM860L/M, TQM862L/M */
573
574 /*********************************************************************/
575
576 /* SCC Event register as used by Ethernet.
577 */
578 #define SCCE_ENET_GRA ((ushort)0x0080) /* Graceful stop complete */
579 #define SCCE_ENET_TXE ((ushort)0x0010) /* Transmit Error */
580 #define SCCE_ENET_RXF ((ushort)0x0008) /* Full frame received */
581 #define SCCE_ENET_BSY ((ushort)0x0004) /* All incoming buffers full */
582 #define SCCE_ENET_TXB ((ushort)0x0002) /* A buffer was transmitted */
583 #define SCCE_ENET_RXB ((ushort)0x0001) /* A buffer was received */
584
585 /* SCC Mode Register (PSMR) as used by Ethernet.
586 */
587 #define SCC_PSMR_HBC ((ushort)0x8000) /* Enable heartbeat */
588 #define SCC_PSMR_FC ((ushort)0x4000) /* Force collision */
589 #define SCC_PSMR_RSH ((ushort)0x2000) /* Receive short frames */
590 #define SCC_PSMR_IAM ((ushort)0x1000) /* Check individual hash */
591 #define SCC_PSMR_ENCRC ((ushort)0x0800) /* Ethernet CRC mode */
592 #define SCC_PSMR_PRO ((ushort)0x0200) /* Promiscuous mode */
593 #define SCC_PSMR_BRO ((ushort)0x0100) /* Catch broadcast pkts */
594 #define SCC_PSMR_SBT ((ushort)0x0080) /* Special backoff timer */
595 #define SCC_PSMR_LPB ((ushort)0x0040) /* Set Loopback mode */
596 #define SCC_PSMR_SIP ((ushort)0x0020) /* Sample Input Pins */
597 #define SCC_PSMR_LCW ((ushort)0x0010) /* Late collision window */
598 #define SCC_PSMR_NIB22 ((ushort)0x000a) /* Start frame search */
599 #define SCC_PSMR_FDE ((ushort)0x0001) /* Full duplex enable */
600
601 /* Buffer descriptor control/status used by Ethernet receive.
602 */
603 #define BD_ENET_RX_EMPTY ((ushort)0x8000)
604 #define BD_ENET_RX_WRAP ((ushort)0x2000)
605 #define BD_ENET_RX_INTR ((ushort)0x1000)
606 #define BD_ENET_RX_LAST ((ushort)0x0800)
607 #define BD_ENET_RX_FIRST ((ushort)0x0400)
608 #define BD_ENET_RX_MISS ((ushort)0x0100)
609 #define BD_ENET_RX_LG ((ushort)0x0020)
610 #define BD_ENET_RX_NO ((ushort)0x0010)
611 #define BD_ENET_RX_SH ((ushort)0x0008)
612 #define BD_ENET_RX_CR ((ushort)0x0004)
613 #define BD_ENET_RX_OV ((ushort)0x0002)
614 #define BD_ENET_RX_CL ((ushort)0x0001)
615 #define BD_ENET_RX_STATS ((ushort)0x013f) /* All status bits */
616
617 /* Buffer descriptor control/status used by Ethernet transmit.
618 */
619 #define BD_ENET_TX_READY ((ushort)0x8000)
620 #define BD_ENET_TX_PAD ((ushort)0x4000)
621 #define BD_ENET_TX_WRAP ((ushort)0x2000)
622 #define BD_ENET_TX_INTR ((ushort)0x1000)
623 #define BD_ENET_TX_LAST ((ushort)0x0800)
624 #define BD_ENET_TX_TC ((ushort)0x0400)
625 #define BD_ENET_TX_DEF ((ushort)0x0200)
626 #define BD_ENET_TX_HB ((ushort)0x0100)
627 #define BD_ENET_TX_LC ((ushort)0x0080)
628 #define BD_ENET_TX_RL ((ushort)0x0040)
629 #define BD_ENET_TX_RCMASK ((ushort)0x003c)
630 #define BD_ENET_TX_UN ((ushort)0x0002)
631 #define BD_ENET_TX_CSL ((ushort)0x0001)
632 #define BD_ENET_TX_STATS ((ushort)0x03ff) /* All status bits */
633
634 /* SCC as UART
635 */
636 typedef struct scc_uart {
637 sccp_t scc_genscc;
638 uint scc_res1; /* Reserved */
639 uint scc_res2; /* Reserved */
640 ushort scc_maxidl; /* Maximum idle chars */
641 ushort scc_idlc; /* temp idle counter */
642 ushort scc_brkcr; /* Break count register */
643 ushort scc_parec; /* receive parity error counter */
644 ushort scc_frmec; /* receive framing error counter */
645 ushort scc_nosec; /* receive noise counter */
646 ushort scc_brkec; /* receive break condition counter */
647 ushort scc_brkln; /* last received break length */
648 ushort scc_uaddr1; /* UART address character 1 */
649 ushort scc_uaddr2; /* UART address character 2 */
650 ushort scc_rtemp; /* Temp storage */
651 ushort scc_toseq; /* Transmit out of sequence char */
652 ushort scc_char1; /* control character 1 */
653 ushort scc_char2; /* control character 2 */
654 ushort scc_char3; /* control character 3 */
655 ushort scc_char4; /* control character 4 */
656 ushort scc_char5; /* control character 5 */
657 ushort scc_char6; /* control character 6 */
658 ushort scc_char7; /* control character 7 */
659 ushort scc_char8; /* control character 8 */
660 ushort scc_rccm; /* receive control character mask */
661 ushort scc_rccr; /* receive control character register */
662 ushort scc_rlbc; /* receive last break character */
663 } scc_uart_t;
664
665 /* SCC Event and Mask registers when it is used as a UART.
666 */
667 #define UART_SCCM_GLR ((ushort)0x1000)
668 #define UART_SCCM_GLT ((ushort)0x0800)
669 #define UART_SCCM_AB ((ushort)0x0200)
670 #define UART_SCCM_IDL ((ushort)0x0100)
671 #define UART_SCCM_GRA ((ushort)0x0080)
672 #define UART_SCCM_BRKE ((ushort)0x0040)
673 #define UART_SCCM_BRKS ((ushort)0x0020)
674 #define UART_SCCM_CCR ((ushort)0x0008)
675 #define UART_SCCM_BSY ((ushort)0x0004)
676 #define UART_SCCM_TX ((ushort)0x0002)
677 #define UART_SCCM_RX ((ushort)0x0001)
678
679 /* The SCC PSMR when used as a UART.
680 */
681 #define SCU_PSMR_FLC ((ushort)0x8000)
682 #define SCU_PSMR_SL ((ushort)0x4000)
683 #define SCU_PSMR_CL ((ushort)0x3000)
684 #define SCU_PSMR_UM ((ushort)0x0c00)
685 #define SCU_PSMR_FRZ ((ushort)0x0200)
686 #define SCU_PSMR_RZS ((ushort)0x0100)
687 #define SCU_PSMR_SYN ((ushort)0x0080)
688 #define SCU_PSMR_DRT ((ushort)0x0040)
689 #define SCU_PSMR_PEN ((ushort)0x0010)
690 #define SCU_PSMR_RPM ((ushort)0x000c)
691 #define SCU_PSMR_REVP ((ushort)0x0008)
692 #define SCU_PSMR_TPM ((ushort)0x0003)
693 #define SCU_PSMR_TEVP ((ushort)0x0003)
694
695 /* CPM Transparent mode SCC.
696 */
697 typedef struct scc_trans {
698 sccp_t st_genscc;
699 uint st_cpres; /* Preset CRC */
700 uint st_cmask; /* Constant mask for CRC */
701 } scc_trans_t;
702
703 #define BD_SCC_TX_LAST ((ushort)0x0800)
704
705 /* IIC parameter RAM.
706 */
707 typedef struct iic {
708 ushort iic_rbase; /* Rx Buffer descriptor base address */
709 ushort iic_tbase; /* Tx Buffer descriptor base address */
710 u_char iic_rfcr; /* Rx function code */
711 u_char iic_tfcr; /* Tx function code */
712 ushort iic_mrblr; /* Max receive buffer length */
713 uint iic_rstate; /* Internal */
714 uint iic_rdp; /* Internal */
715 ushort iic_rbptr; /* Internal */
716 ushort iic_rbc; /* Internal */
717 uint iic_rxtmp; /* Internal */
718 uint iic_tstate; /* Internal */
719 uint iic_tdp; /* Internal */
720 ushort iic_tbptr; /* Internal */
721 ushort iic_tbc; /* Internal */
722 uint iic_txtmp; /* Internal */
723 uint iic_res; /* reserved */
724 ushort iic_rpbase; /* Relocation pointer */
725 ushort iic_res2; /* reserved */
726 } iic_t;
727
728 /* SPI parameter RAM.
729 */
730 typedef struct spi {
731 ushort spi_rbase; /* Rx Buffer descriptor base address */
732 ushort spi_tbase; /* Tx Buffer descriptor base address */
733 u_char spi_rfcr; /* Rx function code */
734 u_char spi_tfcr; /* Tx function code */
735 ushort spi_mrblr; /* Max receive buffer length */
736 uint spi_rstate; /* Internal */
737 uint spi_rdp; /* Internal */
738 ushort spi_rbptr; /* Internal */
739 ushort spi_rbc; /* Internal */
740 uint spi_rxtmp; /* Internal */
741 uint spi_tstate; /* Internal */
742 uint spi_tdp; /* Internal */
743 ushort spi_tbptr; /* Internal */
744 ushort spi_tbc; /* Internal */
745 uint spi_txtmp; /* Internal */
746 uint spi_res;
747 ushort spi_rpbase; /* Relocation pointer */
748 ushort spi_res2;
749 } spi_t;
750
751 /* SPI Mode register.
752 */
753 #define SPMODE_LOOP ((ushort)0x4000) /* Loopback */
754 #define SPMODE_CI ((ushort)0x2000) /* Clock Invert */
755 #define SPMODE_CP ((ushort)0x1000) /* Clock Phase */
756 #define SPMODE_DIV16 ((ushort)0x0800) /* BRG/16 mode */
757 #define SPMODE_REV ((ushort)0x0400) /* Reversed Data */
758 #define SPMODE_MSTR ((ushort)0x0200) /* SPI Master */
759 #define SPMODE_EN ((ushort)0x0100) /* Enable */
760 #define SPMODE_LENMSK ((ushort)0x00f0) /* character length */
761 #define SPMODE_PMMSK ((ushort)0x000f) /* prescale modulus */
762
763 #define SPMODE_LEN(x) ((((x)-1)&0xF)<<4)
764 #define SPMODE_PM(x) ((x) &0xF)
765
766 /* HDLC parameter RAM.
767 */
768
769 typedef struct hdlc_pram_s {
770 /*
771 * SCC parameter RAM
772 */
773 ushort rbase; /* Rx Buffer descriptor base address */
774 ushort tbase; /* Tx Buffer descriptor base address */
775 uchar rfcr; /* Rx function code */
776 uchar tfcr; /* Tx function code */
777 ushort mrblr; /* Rx buffer length */
778 ulong rstate; /* Rx internal state */
779 ulong rptr; /* Rx internal data pointer */
780 ushort rbptr; /* rb BD Pointer */
781 ushort rcount; /* Rx internal byte count */
782 ulong rtemp; /* Rx temp */
783 ulong tstate; /* Tx internal state */
784 ulong tptr; /* Tx internal data pointer */
785 ushort tbptr; /* Tx BD pointer */
786 ushort tcount; /* Tx byte count */
787 ulong ttemp; /* Tx temp */
788 ulong rcrc; /* temp receive CRC */
789 ulong tcrc; /* temp transmit CRC */
790 /*
791 * HDLC specific parameter RAM
792 */
793 uchar res[4]; /* reserved */
794 ulong c_mask; /* CRC constant */
795 ulong c_pres; /* CRC preset */
796 ushort disfc; /* discarded frame counter */
797 ushort crcec; /* CRC error counter */
798 ushort abtsc; /* abort sequence counter */
799 ushort nmarc; /* nonmatching address rx cnt */
800 ushort retrc; /* frame retransmission cnt */
801 ushort mflr; /* maximum frame length reg */
802 ushort max_cnt; /* maximum length counter */
803 ushort rfthr; /* received frames threshold */
804 ushort rfcnt; /* received frames count */
805 ushort hmask; /* user defined frm addr mask */
806 ushort haddr1; /* user defined frm address 1 */
807 ushort haddr2; /* user defined frm address 2 */
808 ushort haddr3; /* user defined frm address 3 */
809 ushort haddr4; /* user defined frm address 4 */
810 ushort tmp; /* temp */
811 ushort tmp_mb; /* temp */
812 } hdlc_pram_t;
813
814 /* CPM interrupts. There are nearly 32 interrupts generated by CPM
815 * channels or devices. All of these are presented to the PPC core
816 * as a single interrupt. The CPM interrupt handler dispatches its
817 * own handlers, in a similar fashion to the PPC core handler. We
818 * use the table as defined in the manuals (i.e. no special high
819 * priority and SCC1 == SCCa, etc...).
820 */
821 #define CPMVEC_NR 32
822 #define CPMVEC_OFFSET 0x00010000
823 #define CPMVEC_PIO_PC15 ((ushort)0x1f | CPMVEC_OFFSET)
824 #define CPMVEC_SCC1 ((ushort)0x1e | CPMVEC_OFFSET)
825 #define CPMVEC_SCC2 ((ushort)0x1d | CPMVEC_OFFSET)
826 #define CPMVEC_SCC3 ((ushort)0x1c | CPMVEC_OFFSET)
827 #define CPMVEC_SCC4 ((ushort)0x1b | CPMVEC_OFFSET)
828 #define CPMVEC_PIO_PC14 ((ushort)0x1a | CPMVEC_OFFSET)
829 #define CPMVEC_TIMER1 ((ushort)0x19 | CPMVEC_OFFSET)
830 #define CPMVEC_PIO_PC13 ((ushort)0x18 | CPMVEC_OFFSET)
831 #define CPMVEC_PIO_PC12 ((ushort)0x17 | CPMVEC_OFFSET)
832 #define CPMVEC_SDMA_CB_ERR ((ushort)0x16 | CPMVEC_OFFSET)
833 #define CPMVEC_IDMA1 ((ushort)0x15 | CPMVEC_OFFSET)
834 #define CPMVEC_IDMA2 ((ushort)0x14 | CPMVEC_OFFSET)
835 #define CPMVEC_TIMER2 ((ushort)0x12 | CPMVEC_OFFSET)
836 #define CPMVEC_RISCTIMER ((ushort)0x11 | CPMVEC_OFFSET)
837 #define CPMVEC_I2C ((ushort)0x10 | CPMVEC_OFFSET)
838 #define CPMVEC_PIO_PC11 ((ushort)0x0f | CPMVEC_OFFSET)
839 #define CPMVEC_PIO_PC10 ((ushort)0x0e | CPMVEC_OFFSET)
840 #define CPMVEC_TIMER3 ((ushort)0x0c | CPMVEC_OFFSET)
841 #define CPMVEC_PIO_PC9 ((ushort)0x0b | CPMVEC_OFFSET)
842 #define CPMVEC_PIO_PC8 ((ushort)0x0a | CPMVEC_OFFSET)
843 #define CPMVEC_PIO_PC7 ((ushort)0x09 | CPMVEC_OFFSET)
844 #define CPMVEC_TIMER4 ((ushort)0x07 | CPMVEC_OFFSET)
845 #define CPMVEC_PIO_PC6 ((ushort)0x06 | CPMVEC_OFFSET)
846 #define CPMVEC_SPI ((ushort)0x05 | CPMVEC_OFFSET)
847 #define CPMVEC_SMC1 ((ushort)0x04 | CPMVEC_OFFSET)
848 #define CPMVEC_SMC2 ((ushort)0x03 | CPMVEC_OFFSET)
849 #define CPMVEC_PIO_PC5 ((ushort)0x02 | CPMVEC_OFFSET)
850 #define CPMVEC_PIO_PC4 ((ushort)0x01 | CPMVEC_OFFSET)
851 #define CPMVEC_ERROR ((ushort)0x00 | CPMVEC_OFFSET)
852
853 extern void irq_install_handler(int vec, void (*handler)(void *), void *dev_id);
854
855 /* CPM interrupt configuration vector.
856 */
857 #define CICR_SCD_SCC4 ((uint)0x00c00000) /* SCC4 @ SCCd */
858 #define CICR_SCC_SCC3 ((uint)0x00200000) /* SCC3 @ SCCc */
859 #define CICR_SCB_SCC2 ((uint)0x00040000) /* SCC2 @ SCCb */
860 #define CICR_SCA_SCC1 ((uint)0x00000000) /* SCC1 @ SCCa */
861 #define CICR_IRL_MASK ((uint)0x0000e000) /* Core interrrupt */
862 #define CICR_HP_MASK ((uint)0x00001f00) /* Hi-pri int. */
863 #define CICR_IEN ((uint)0x00000080) /* Int. enable */
864 #define CICR_SPS ((uint)0x00000001) /* SCC Spread */
865 #endif /* __CPM_8XX__ */