1 /*
2  * Communication Processor Module v2.
3  *
4  * This file contains structures and information for the communication
5  * processor channels found in the dual port RAM or parameter RAM.
6  * All CPM control and status is available through the CPM2 internal
7  * memory map.  See immap_cpm2.h for details.
8  */
9 #ifdef __KERNEL__
10 #ifndef __CPM2__
11 #define __CPM2__
12 
13 #include <asm/immap_cpm2.h>
14 
15 /* CPM Command register.
16 */
17 #define CPM_CR_RST	((uint)0x80000000)
18 #define CPM_CR_PAGE	((uint)0x7c000000)
19 #define CPM_CR_SBLOCK	((uint)0x03e00000)
20 #define CPM_CR_FLG	((uint)0x00010000)
21 #define CPM_CR_MCN	((uint)0x00003fc0)
22 #define CPM_CR_OPCODE	((uint)0x0000000f)
23 
24 /* Device sub-block and page codes.
25 */
26 #define CPM_CR_SCC1_SBLOCK	(0x04)
27 #define CPM_CR_SCC2_SBLOCK	(0x05)
28 #define CPM_CR_SCC3_SBLOCK	(0x06)
29 #define CPM_CR_SCC4_SBLOCK	(0x07)
30 #define CPM_CR_SMC1_SBLOCK	(0x08)
31 #define CPM_CR_SMC2_SBLOCK	(0x09)
32 #define CPM_CR_SPI_SBLOCK	(0x0a)
33 #define CPM_CR_I2C_SBLOCK	(0x0b)
34 #define CPM_CR_TIMER_SBLOCK	(0x0f)
35 #define CPM_CR_RAND_SBLOCK	(0x0e)
36 #define CPM_CR_FCC1_SBLOCK	(0x10)
37 #define CPM_CR_FCC2_SBLOCK	(0x11)
38 #define CPM_CR_FCC3_SBLOCK	(0x12)
39 #define CPM_CR_IDMA1_SBLOCK	(0x14)
40 #define CPM_CR_IDMA2_SBLOCK	(0x15)
41 #define CPM_CR_IDMA3_SBLOCK	(0x16)
42 #define CPM_CR_IDMA4_SBLOCK	(0x17)
43 #define CPM_CR_MCC1_SBLOCK	(0x1c)
44 
45 #define CPM_CR_SCC1_PAGE	(0x00)
46 #define CPM_CR_SCC2_PAGE	(0x01)
47 #define CPM_CR_SCC3_PAGE	(0x02)
48 #define CPM_CR_SCC4_PAGE	(0x03)
49 #define CPM_CR_SMC1_PAGE	(0x07)
50 #define CPM_CR_SMC2_PAGE	(0x08)
51 #define CPM_CR_SPI_PAGE		(0x09)
52 #define CPM_CR_I2C_PAGE		(0x0a)
53 #define CPM_CR_TIMER_PAGE	(0x0a)
54 #define CPM_CR_RAND_PAGE	(0x0a)
55 #define CPM_CR_FCC1_PAGE	(0x04)
56 #define CPM_CR_FCC2_PAGE	(0x05)
57 #define CPM_CR_FCC3_PAGE	(0x06)
58 #define CPM_CR_IDMA1_PAGE	(0x07)
59 #define CPM_CR_IDMA2_PAGE	(0x08)
60 #define CPM_CR_IDMA3_PAGE	(0x09)
61 #define CPM_CR_IDMA4_PAGE	(0x0a)
62 #define CPM_CR_MCC1_PAGE	(0x07)
63 #define CPM_CR_MCC2_PAGE	(0x08)
64 
65 /* Some opcodes (there are more...later)
66 */
67 #define CPM_CR_INIT_TRX		((ushort)0x0000)
68 #define CPM_CR_INIT_RX		((ushort)0x0001)
69 #define CPM_CR_INIT_TX		((ushort)0x0002)
70 #define CPM_CR_HUNT_MODE	((ushort)0x0003)
71 #define CPM_CR_STOP_TX		((ushort)0x0004)
72 #define CPM_CR_RESTART_TX	((ushort)0x0006)
73 #define CPM_CR_SET_GADDR	((ushort)0x0008)
74 #define CPM_CR_START_IDMA	((ushort)0x0009)
75 #define CPM_CR_STOP_IDMA	((ushort)0x000b)
76 
77 #define mk_cr_cmd(PG, SBC, MCN, OP) \
78 	((PG << 26) | (SBC << 21) | (MCN << 6) | OP)
79 
80 /* Dual Port RAM addresses.  The first 16K is available for almost
81  * any CPM use, so we put the BDs there.  The first 128 bytes are
82  * used for SMC1 and SMC2 parameter RAM, so we start allocating
83  * BDs above that.  All of this must change when we start
84  * downloading RAM microcode.
85  */
86 #define CPM_DATAONLY_BASE	((uint)128)
87 #define CPM_DP_NOSPACE		((uint)0x7fffffff)
88 #ifdef CONFIG_8272
89 #define CPM_DATAONLY_SIZE	((uint)(8 * 1024) - CPM_DATAONLY_BASE)
90 #define CPM_FCC_SPECIAL_BASE	((uint)0x00009000)
91 #else
92 #define CPM_DATAONLY_SIZE	((uint)(16 * 1024) - CPM_DATAONLY_BASE)
93 #define CPM_FCC_SPECIAL_BASE	((uint)0x0000b000)
94 #endif
95 
96 /* The number of pages of host memory we allocate for CPM.  This is
97  * done early in kernel initialization to get physically contiguous
98  * pages.
99  */
100 #define NUM_CPM_HOST_PAGES	2
101 
102 
103 /* Export the base address of the communication processor registers
104  * and dual port ram.
105  */
106 extern		cpm_cpm2_t	*cpmp;	 /* Pointer to comm processor */
107 uint		cpm2_dpalloc(uint size, uint align);
108 uint		cpm2_hostalloc(uint size, uint align);
109 void		cpm2_setbrg(uint brg, uint rate);
110 void		cpm2_fastbrg(uint brg, uint rate, int div16);
111 
112 /* Buffer descriptors used by many of the CPM protocols.
113 */
114 typedef struct cpm_buf_desc {
115 	ushort	cbd_sc;		/* Status and Control */
116 	ushort	cbd_datlen;	/* Data length in buffer */
117 	uint	cbd_bufaddr;	/* Buffer address in host memory */
118 } cbd_t;
119 
120 #define BD_SC_EMPTY	((ushort)0x8000)	/* Receive is empty */
121 #define BD_SC_READY	((ushort)0x8000)	/* Transmit is ready */
122 #define BD_SC_WRAP	((ushort)0x2000)	/* Last buffer descriptor */
123 #define BD_SC_INTRPT	((ushort)0x1000)	/* Interrupt on change */
124 #define BD_SC_LAST	((ushort)0x0800)	/* Last buffer in frame */
125 #define BD_SC_CM	((ushort)0x0200)	/* Continous mode */
126 #define BD_SC_ID	((ushort)0x0100)	/* Rec'd too many idles */
127 #define BD_SC_P		((ushort)0x0100)	/* xmt preamble */
128 #define BD_SC_BR	((ushort)0x0020)	/* Break received */
129 #define BD_SC_FR	((ushort)0x0010)	/* Framing error */
130 #define BD_SC_PR	((ushort)0x0008)	/* Parity error */
131 #define BD_SC_OV	((ushort)0x0002)	/* Overrun */
132 #define BD_SC_CD	((ushort)0x0001)	/* ?? */
133 
134 /* Function code bits, usually generic to devices.
135 */
136 #define CPMFCR_GBL	((u_char)0x20)	/* Set memory snooping */
137 #define CPMFCR_EB	((u_char)0x10)	/* Set big endian byte order */
138 #define CPMFCR_TC2	((u_char)0x04)	/* Transfer code 2 value */
139 #define CPMFCR_DTB	((u_char)0x02)	/* Use local bus for data when set */
140 #define CPMFCR_BDB	((u_char)0x01)	/* Use local bus for BD when set */
141 
142 /* Parameter RAM offsets from the base.
143 */
144 #define PROFF_SCC1		((uint)0x8000)
145 #define PROFF_SCC2		((uint)0x8100)
146 #define PROFF_SCC3		((uint)0x8200)
147 #define PROFF_SCC4		((uint)0x8300)
148 #define PROFF_FCC1		((uint)0x8400)
149 #define PROFF_FCC2		((uint)0x8500)
150 #define PROFF_FCC3		((uint)0x8600)
151 #define PROFF_MCC1		((uint)0x8700)
152 #define PROFF_SMC1_BASE		((uint)0x87fc)
153 #define PROFF_IDMA1_BASE	((uint)0x87fe)
154 #define PROFF_MCC2		((uint)0x8800)
155 #define PROFF_SMC2_BASE		((uint)0x88fc)
156 #define PROFF_IDMA2_BASE	((uint)0x88fe)
157 #define PROFF_SPI_BASE		((uint)0x89fc)
158 #define PROFF_IDMA3_BASE	((uint)0x89fe)
159 #define PROFF_TIMERS		((uint)0x8ae0)
160 #define PROFF_REVNUM		((uint)0x8af0)
161 #define PROFF_RAND		((uint)0x8af8)
162 #define PROFF_I2C_BASE		((uint)0x8afc)
163 #define PROFF_IDMA4_BASE	((uint)0x8afe)
164 
165 /* The SMCs are relocated to any of the first eight DPRAM pages.
166  * We will fix these at the first locations of DPRAM, until we
167  * get some microcode patches :-).
168  * The parameter ram space for the SMCs is fifty-some bytes, and
169  * they are required to start on a 64 byte boundary.
170  */
171 #define PROFF_SMC1	(0)
172 #define PROFF_SMC2	(64)
173 
174 
175 /* Define enough so I can at least use the serial port as a UART.
176  */
177 typedef struct smc_uart {
178 	ushort	smc_rbase;	/* Rx Buffer descriptor base address */
179 	ushort	smc_tbase;	/* Tx Buffer descriptor base address */
180 	u_char	smc_rfcr;	/* Rx function code */
181 	u_char	smc_tfcr;	/* Tx function code */
182 	ushort	smc_mrblr;	/* Max receive buffer length */
183 	uint	smc_rstate;	/* Internal */
184 	uint	smc_idp;	/* Internal */
185 	ushort	smc_rbptr;	/* Internal */
186 	ushort	smc_ibc;	/* Internal */
187 	uint	smc_rxtmp;	/* Internal */
188 	uint	smc_tstate;	/* Internal */
189 	uint	smc_tdp;	/* Internal */
190 	ushort	smc_tbptr;	/* Internal */
191 	ushort	smc_tbc;	/* Internal */
192 	uint	smc_txtmp;	/* Internal */
193 	ushort	smc_maxidl;	/* Maximum idle characters */
194 	ushort	smc_tmpidl;	/* Temporary idle counter */
195 	ushort	smc_brklen;	/* Last received break length */
196 	ushort	smc_brkec;	/* rcv'd break condition counter */
197 	ushort	smc_brkcr;	/* xmt break count register */
198 	ushort	smc_rmask;	/* Temporary bit mask */
199 	uint	smc_stmp;	/* SDMA Temp */
200 } smc_uart_t;
201 
202 /* SMC uart mode register (Internal memory map).
203 */
204 #define SMCMR_REN	((ushort)0x0001)
205 #define SMCMR_TEN	((ushort)0x0002)
206 #define SMCMR_DM	((ushort)0x000c)
207 #define SMCMR_SM_GCI	((ushort)0x0000)
208 #define SMCMR_SM_UART	((ushort)0x0020)
209 #define SMCMR_SM_TRANS	((ushort)0x0030)
210 #define SMCMR_SM_MASK	((ushort)0x0030)
211 #define SMCMR_PM_EVEN	((ushort)0x0100)	/* Even parity, else odd */
212 #define SMCMR_REVD	SMCMR_PM_EVEN
213 #define SMCMR_PEN	((ushort)0x0200)	/* Parity enable */
214 #define SMCMR_BS	SMCMR_PEN
215 #define SMCMR_SL	((ushort)0x0400)	/* Two stops, else one */
216 #define SMCR_CLEN_MASK	((ushort)0x7800)	/* Character length */
217 #define smcr_mk_clen(C)	(((C) << 11) & SMCR_CLEN_MASK)
218 
219 /* SMC Event and Mask register.
220 */
221 #define SMCM_BRKE       ((unsigned char)0x40)   /* When in UART Mode */
222 #define SMCM_BRK        ((unsigned char)0x10)   /* When in UART Mode */
223 #define SMCM_TXE	((unsigned char)0x10)
224 #define SMCM_BSY	((unsigned char)0x04)
225 #define SMCM_TX		((unsigned char)0x02)
226 #define SMCM_RX		((unsigned char)0x01)
227 
228 /* Baud rate generators.
229 */
230 #define CPM_BRG_RST		((uint)0x00020000)
231 #define CPM_BRG_EN		((uint)0x00010000)
232 #define CPM_BRG_EXTC_INT	((uint)0x00000000)
233 #define CPM_BRG_EXTC_CLK3_9	((uint)0x00004000)
234 #define CPM_BRG_EXTC_CLK5_15	((uint)0x00008000)
235 #define CPM_BRG_ATB		((uint)0x00002000)
236 #define CPM_BRG_CD_MASK		((uint)0x00001ffe)
237 #define CPM_BRG_DIV16		((uint)0x00000001)
238 
239 /* SCCs.
240 */
241 #define SCC_GSMRH_IRP		((uint)0x00040000)
242 #define SCC_GSMRH_GDE		((uint)0x00010000)
243 #define SCC_GSMRH_TCRC_CCITT	((uint)0x00008000)
244 #define SCC_GSMRH_TCRC_BISYNC	((uint)0x00004000)
245 #define SCC_GSMRH_TCRC_HDLC	((uint)0x00000000)
246 #define SCC_GSMRH_REVD		((uint)0x00002000)
247 #define SCC_GSMRH_TRX		((uint)0x00001000)
248 #define SCC_GSMRH_TTX		((uint)0x00000800)
249 #define SCC_GSMRH_CDP		((uint)0x00000400)
250 #define SCC_GSMRH_CTSP		((uint)0x00000200)
251 #define SCC_GSMRH_CDS		((uint)0x00000100)
252 #define SCC_GSMRH_CTSS		((uint)0x00000080)
253 #define SCC_GSMRH_TFL		((uint)0x00000040)
254 #define SCC_GSMRH_RFW		((uint)0x00000020)
255 #define SCC_GSMRH_TXSY		((uint)0x00000010)
256 #define SCC_GSMRH_SYNL16	((uint)0x0000000c)
257 #define SCC_GSMRH_SYNL8		((uint)0x00000008)
258 #define SCC_GSMRH_SYNL4		((uint)0x00000004)
259 #define SCC_GSMRH_RTSM		((uint)0x00000002)
260 #define SCC_GSMRH_RSYN		((uint)0x00000001)
261 
262 #define SCC_GSMRL_SIR		((uint)0x80000000)	/* SCC2 only */
263 #define SCC_GSMRL_EDGE_NONE	((uint)0x60000000)
264 #define SCC_GSMRL_EDGE_NEG	((uint)0x40000000)
265 #define SCC_GSMRL_EDGE_POS	((uint)0x20000000)
266 #define SCC_GSMRL_EDGE_BOTH	((uint)0x00000000)
267 #define SCC_GSMRL_TCI		((uint)0x10000000)
268 #define SCC_GSMRL_TSNC_3	((uint)0x0c000000)
269 #define SCC_GSMRL_TSNC_4	((uint)0x08000000)
270 #define SCC_GSMRL_TSNC_14	((uint)0x04000000)
271 #define SCC_GSMRL_TSNC_INF	((uint)0x00000000)
272 #define SCC_GSMRL_RINV		((uint)0x02000000)
273 #define SCC_GSMRL_TINV		((uint)0x01000000)
274 #define SCC_GSMRL_TPL_128	((uint)0x00c00000)
275 #define SCC_GSMRL_TPL_64	((uint)0x00a00000)
276 #define SCC_GSMRL_TPL_48	((uint)0x00800000)
277 #define SCC_GSMRL_TPL_32	((uint)0x00600000)
278 #define SCC_GSMRL_TPL_16	((uint)0x00400000)
279 #define SCC_GSMRL_TPL_8		((uint)0x00200000)
280 #define SCC_GSMRL_TPL_NONE	((uint)0x00000000)
281 #define SCC_GSMRL_TPP_ALL1	((uint)0x00180000)
282 #define SCC_GSMRL_TPP_01	((uint)0x00100000)
283 #define SCC_GSMRL_TPP_10	((uint)0x00080000)
284 #define SCC_GSMRL_TPP_ZEROS	((uint)0x00000000)
285 #define SCC_GSMRL_TEND		((uint)0x00040000)
286 #define SCC_GSMRL_TDCR_32	((uint)0x00030000)
287 #define SCC_GSMRL_TDCR_16	((uint)0x00020000)
288 #define SCC_GSMRL_TDCR_8	((uint)0x00010000)
289 #define SCC_GSMRL_TDCR_1	((uint)0x00000000)
290 #define SCC_GSMRL_RDCR_32	((uint)0x0000c000)
291 #define SCC_GSMRL_RDCR_16	((uint)0x00008000)
292 #define SCC_GSMRL_RDCR_8	((uint)0x00004000)
293 #define SCC_GSMRL_RDCR_1	((uint)0x00000000)
294 #define SCC_GSMRL_RENC_DFMAN	((uint)0x00003000)
295 #define SCC_GSMRL_RENC_MANCH	((uint)0x00002000)
296 #define SCC_GSMRL_RENC_FM0	((uint)0x00001000)
297 #define SCC_GSMRL_RENC_NRZI	((uint)0x00000800)
298 #define SCC_GSMRL_RENC_NRZ	((uint)0x00000000)
299 #define SCC_GSMRL_TENC_DFMAN	((uint)0x00000600)
300 #define SCC_GSMRL_TENC_MANCH	((uint)0x00000400)
301 #define SCC_GSMRL_TENC_FM0	((uint)0x00000200)
302 #define SCC_GSMRL_TENC_NRZI	((uint)0x00000100)
303 #define SCC_GSMRL_TENC_NRZ	((uint)0x00000000)
304 #define SCC_GSMRL_DIAG_LE	((uint)0x000000c0)	/* Loop and echo */
305 #define SCC_GSMRL_DIAG_ECHO	((uint)0x00000080)
306 #define SCC_GSMRL_DIAG_LOOP	((uint)0x00000040)
307 #define SCC_GSMRL_DIAG_NORM	((uint)0x00000000)
308 #define SCC_GSMRL_ENR		((uint)0x00000020)
309 #define SCC_GSMRL_ENT		((uint)0x00000010)
310 #define SCC_GSMRL_MODE_ENET	((uint)0x0000000c)
311 #define SCC_GSMRL_MODE_DDCMP	((uint)0x00000009)
312 #define SCC_GSMRL_MODE_BISYNC	((uint)0x00000008)
313 #define SCC_GSMRL_MODE_V14	((uint)0x00000007)
314 #define SCC_GSMRL_MODE_AHDLC	((uint)0x00000006)
315 #define SCC_GSMRL_MODE_PROFIBUS	((uint)0x00000005)
316 #define SCC_GSMRL_MODE_UART	((uint)0x00000004)
317 #define SCC_GSMRL_MODE_SS7	((uint)0x00000003)
318 #define SCC_GSMRL_MODE_ATALK	((uint)0x00000002)
319 #define SCC_GSMRL_MODE_HDLC	((uint)0x00000000)
320 
321 #define SCC_TODR_TOD		((ushort)0x8000)
322 
323 /* SCC Event and Mask register.
324 */
325 #define SCCM_TXE	((unsigned char)0x10)
326 #define SCCM_BSY	((unsigned char)0x04)
327 #define SCCM_TX		((unsigned char)0x02)
328 #define SCCM_RX		((unsigned char)0x01)
329 
330 typedef struct scc_param {
331 	ushort	scc_rbase;	/* Rx Buffer descriptor base address */
332 	ushort	scc_tbase;	/* Tx Buffer descriptor base address */
333 	u_char	scc_rfcr;	/* Rx function code */
334 	u_char	scc_tfcr;	/* Tx function code */
335 	ushort	scc_mrblr;	/* Max receive buffer length */
336 	uint	scc_rstate;	/* Internal */
337 	uint	scc_idp;	/* Internal */
338 	ushort	scc_rbptr;	/* Internal */
339 	ushort	scc_ibc;	/* Internal */
340 	uint	scc_rxtmp;	/* Internal */
341 	uint	scc_tstate;	/* Internal */
342 	uint	scc_tdp;	/* Internal */
343 	ushort	scc_tbptr;	/* Internal */
344 	ushort	scc_tbc;	/* Internal */
345 	uint	scc_txtmp;	/* Internal */
346 	uint	scc_rcrc;	/* Internal */
347 	uint	scc_tcrc;	/* Internal */
348 } sccp_t;
349 
350 /* CPM Ethernet through SCC1.
351  */
352 typedef struct scc_enet {
353 	sccp_t	sen_genscc;
354 	uint	sen_cpres;	/* Preset CRC */
355 	uint	sen_cmask;	/* Constant mask for CRC */
356 	uint	sen_crcec;	/* CRC Error counter */
357 	uint	sen_alec;	/* alignment error counter */
358 	uint	sen_disfc;	/* discard frame counter */
359 	ushort	sen_pads;	/* Tx short frame pad character */
360 	ushort	sen_retlim;	/* Retry limit threshold */
361 	ushort	sen_retcnt;	/* Retry limit counter */
362 	ushort	sen_maxflr;	/* maximum frame length register */
363 	ushort	sen_minflr;	/* minimum frame length register */
364 	ushort	sen_maxd1;	/* maximum DMA1 length */
365 	ushort	sen_maxd2;	/* maximum DMA2 length */
366 	ushort	sen_maxd;	/* Rx max DMA */
367 	ushort	sen_dmacnt;	/* Rx DMA counter */
368 	ushort	sen_maxb;	/* Max BD byte count */
369 	ushort	sen_gaddr1;	/* Group address filter */
370 	ushort	sen_gaddr2;
371 	ushort	sen_gaddr3;
372 	ushort	sen_gaddr4;
373 	uint	sen_tbuf0data0;	/* Save area 0 - current frame */
374 	uint	sen_tbuf0data1;	/* Save area 1 - current frame */
375 	uint	sen_tbuf0rba;	/* Internal */
376 	uint	sen_tbuf0crc;	/* Internal */
377 	ushort	sen_tbuf0bcnt;	/* Internal */
378 	ushort	sen_paddrh;	/* physical address (MSB) */
379 	ushort	sen_paddrm;
380 	ushort	sen_paddrl;	/* physical address (LSB) */
381 	ushort	sen_pper;	/* persistence */
382 	ushort	sen_rfbdptr;	/* Rx first BD pointer */
383 	ushort	sen_tfbdptr;	/* Tx first BD pointer */
384 	ushort	sen_tlbdptr;	/* Tx last BD pointer */
385 	uint	sen_tbuf1data0;	/* Save area 0 - current frame */
386 	uint	sen_tbuf1data1;	/* Save area 1 - current frame */
387 	uint	sen_tbuf1rba;	/* Internal */
388 	uint	sen_tbuf1crc;	/* Internal */
389 	ushort	sen_tbuf1bcnt;	/* Internal */
390 	ushort	sen_txlen;	/* Tx Frame length counter */
391 	ushort	sen_iaddr1;	/* Individual address filter */
392 	ushort	sen_iaddr2;
393 	ushort	sen_iaddr3;
394 	ushort	sen_iaddr4;
395 	ushort	sen_boffcnt;	/* Backoff counter */
396 
397 	/* NOTE: Some versions of the manual have the following items
398 	 * incorrectly documented.  Below is the proper order.
399 	 */
400 	ushort	sen_taddrh;	/* temp address (MSB) */
401 	ushort	sen_taddrm;
402 	ushort	sen_taddrl;	/* temp address (LSB) */
403 } scc_enet_t;
404 
405 
406 /* SCC Event register as used by Ethernet.
407 */
408 #define SCCE_ENET_GRA	((ushort)0x0080)	/* Graceful stop complete */
409 #define SCCE_ENET_TXE	((ushort)0x0010)	/* Transmit Error */
410 #define SCCE_ENET_RXF	((ushort)0x0008)	/* Full frame received */
411 #define SCCE_ENET_BSY	((ushort)0x0004)	/* All incoming buffers full */
412 #define SCCE_ENET_TXB	((ushort)0x0002)	/* A buffer was transmitted */
413 #define SCCE_ENET_RXB	((ushort)0x0001)	/* A buffer was received */
414 
415 /* SCC Mode Register (PSMR) as used by Ethernet.
416 */
417 #define SCC_PSMR_HBC	((ushort)0x8000)	/* Enable heartbeat */
418 #define SCC_PSMR_FC	((ushort)0x4000)	/* Force collision */
419 #define SCC_PSMR_RSH	((ushort)0x2000)	/* Receive short frames */
420 #define SCC_PSMR_IAM	((ushort)0x1000)	/* Check individual hash */
421 #define SCC_PSMR_ENCRC	((ushort)0x0800)	/* Ethernet CRC mode */
422 #define SCC_PSMR_PRO	((ushort)0x0200)	/* Promiscuous mode */
423 #define SCC_PSMR_BRO	((ushort)0x0100)	/* Catch broadcast pkts */
424 #define SCC_PSMR_SBT	((ushort)0x0080)	/* Special backoff timer */
425 #define SCC_PSMR_LPB	((ushort)0x0040)	/* Set Loopback mode */
426 #define SCC_PSMR_SIP	((ushort)0x0020)	/* Sample Input Pins */
427 #define SCC_PSMR_LCW	((ushort)0x0010)	/* Late collision window */
428 #define SCC_PSMR_NIB22	((ushort)0x000a)	/* Start frame search */
429 #define SCC_PSMR_FDE	((ushort)0x0001)	/* Full duplex enable */
430 
431 /* Buffer descriptor control/status used by Ethernet receive.
432  * Common to SCC and FCC.
433  */
434 #define BD_ENET_RX_EMPTY	((ushort)0x8000)
435 #define BD_ENET_RX_WRAP		((ushort)0x2000)
436 #define BD_ENET_RX_INTR		((ushort)0x1000)
437 #define BD_ENET_RX_LAST		((ushort)0x0800)
438 #define BD_ENET_RX_FIRST	((ushort)0x0400)
439 #define BD_ENET_RX_MISS		((ushort)0x0100)
440 #define BD_ENET_RX_BC		((ushort)0x0080)	/* FCC Only */
441 #define BD_ENET_RX_MC		((ushort)0x0040)	/* FCC Only */
442 #define BD_ENET_RX_LG		((ushort)0x0020)
443 #define BD_ENET_RX_NO		((ushort)0x0010)
444 #define BD_ENET_RX_SH		((ushort)0x0008)
445 #define BD_ENET_RX_CR		((ushort)0x0004)
446 #define BD_ENET_RX_OV		((ushort)0x0002)
447 #define BD_ENET_RX_CL		((ushort)0x0001)
448 #define BD_ENET_RX_STATS	((ushort)0x01ff)	/* All status bits */
449 
450 /* Buffer descriptor control/status used by Ethernet transmit.
451  * Common to SCC and FCC.
452  */
453 #define BD_ENET_TX_READY	((ushort)0x8000)
454 #define BD_ENET_TX_PAD		((ushort)0x4000)
455 #define BD_ENET_TX_WRAP		((ushort)0x2000)
456 #define BD_ENET_TX_INTR		((ushort)0x1000)
457 #define BD_ENET_TX_LAST		((ushort)0x0800)
458 #define BD_ENET_TX_TC		((ushort)0x0400)
459 #define BD_ENET_TX_DEF		((ushort)0x0200)
460 #define BD_ENET_TX_HB		((ushort)0x0100)
461 #define BD_ENET_TX_LC		((ushort)0x0080)
462 #define BD_ENET_TX_RL		((ushort)0x0040)
463 #define BD_ENET_TX_RCMASK	((ushort)0x003c)
464 #define BD_ENET_TX_UN		((ushort)0x0002)
465 #define BD_ENET_TX_CSL		((ushort)0x0001)
466 #define BD_ENET_TX_STATS	((ushort)0x03ff)	/* All status bits */
467 
468 /* SCC as UART
469 */
470 typedef struct scc_uart {
471 	sccp_t	scc_genscc;
472 	uint	scc_res1;	/* Reserved */
473 	uint	scc_res2;	/* Reserved */
474 	ushort	scc_maxidl;	/* Maximum idle chars */
475 	ushort	scc_idlc;	/* temp idle counter */
476 	ushort	scc_brkcr;	/* Break count register */
477 	ushort	scc_parec;	/* receive parity error counter */
478 	ushort	scc_frmec;	/* receive framing error counter */
479 	ushort	scc_nosec;	/* receive noise counter */
480 	ushort	scc_brkec;	/* receive break condition counter */
481 	ushort	scc_brkln;	/* last received break length */
482 	ushort	scc_uaddr1;	/* UART address character 1 */
483 	ushort	scc_uaddr2;	/* UART address character 2 */
484 	ushort	scc_rtemp;	/* Temp storage */
485 	ushort	scc_toseq;	/* Transmit out of sequence char */
486 	ushort	scc_char1;	/* control character 1 */
487 	ushort	scc_char2;	/* control character 2 */
488 	ushort	scc_char3;	/* control character 3 */
489 	ushort	scc_char4;	/* control character 4 */
490 	ushort	scc_char5;	/* control character 5 */
491 	ushort	scc_char6;	/* control character 6 */
492 	ushort	scc_char7;	/* control character 7 */
493 	ushort	scc_char8;	/* control character 8 */
494 	ushort	scc_rccm;	/* receive control character mask */
495 	ushort	scc_rccr;	/* receive control character register */
496 	ushort	scc_rlbc;	/* receive last break character */
497 } scc_uart_t;
498 
499 /* SCC Event and Mask registers when it is used as a UART.
500 */
501 #define UART_SCCM_GLR		((ushort)0x1000)
502 #define UART_SCCM_GLT		((ushort)0x0800)
503 #define UART_SCCM_AB		((ushort)0x0200)
504 #define UART_SCCM_IDL		((ushort)0x0100)
505 #define UART_SCCM_GRA		((ushort)0x0080)
506 #define UART_SCCM_BRKE		((ushort)0x0040)
507 #define UART_SCCM_BRKS		((ushort)0x0020)
508 #define UART_SCCM_CCR		((ushort)0x0008)
509 #define UART_SCCM_BSY		((ushort)0x0004)
510 #define UART_SCCM_TX		((ushort)0x0002)
511 #define UART_SCCM_RX		((ushort)0x0001)
512 
513 /* The SCC PSMR when used as a UART.
514 */
515 #define SCU_PSMR_FLC		((ushort)0x8000)
516 #define SCU_PSMR_SL		((ushort)0x4000)
517 #define SCU_PSMR_CL		((ushort)0x3000)
518 #define SCU_PSMR_UM		((ushort)0x0c00)
519 #define SCU_PSMR_FRZ		((ushort)0x0200)
520 #define SCU_PSMR_RZS		((ushort)0x0100)
521 #define SCU_PSMR_SYN		((ushort)0x0080)
522 #define SCU_PSMR_DRT		((ushort)0x0040)
523 #define SCU_PSMR_PEN		((ushort)0x0010)
524 #define SCU_PSMR_RPM		((ushort)0x000c)
525 #define SCU_PSMR_REVP		((ushort)0x0008)
526 #define SCU_PSMR_TPM		((ushort)0x0003)
527 #define SCU_PSMR_TEVP		((ushort)0x0003)
528 
529 /* CPM Transparent mode SCC.
530  */
531 typedef struct scc_trans {
532 	sccp_t	st_genscc;
533 	uint	st_cpres;	/* Preset CRC */
534 	uint	st_cmask;	/* Constant mask for CRC */
535 } scc_trans_t;
536 
537 #define BD_SCC_TX_LAST		((ushort)0x0800)
538 
539 /* How about some FCCs.....
540 */
541 #define FCC_GFMR_DIAG_NORM	((uint)0x00000000)
542 #define FCC_GFMR_DIAG_LE	((uint)0x40000000)
543 #define FCC_GFMR_DIAG_AE	((uint)0x80000000)
544 #define FCC_GFMR_DIAG_ALE	((uint)0xc0000000)
545 #define FCC_GFMR_TCI		((uint)0x20000000)
546 #define FCC_GFMR_TRX		((uint)0x10000000)
547 #define FCC_GFMR_TTX		((uint)0x08000000)
548 #define FCC_GFMR_TTX		((uint)0x08000000)
549 #define FCC_GFMR_CDP		((uint)0x04000000)
550 #define FCC_GFMR_CTSP		((uint)0x02000000)
551 #define FCC_GFMR_CDS		((uint)0x01000000)
552 #define FCC_GFMR_CTSS		((uint)0x00800000)
553 #define FCC_GFMR_SYNL_NONE	((uint)0x00000000)
554 #define FCC_GFMR_SYNL_AUTO	((uint)0x00004000)
555 #define FCC_GFMR_SYNL_8		((uint)0x00008000)
556 #define FCC_GFMR_SYNL_16	((uint)0x0000c000)
557 #define FCC_GFMR_RTSM		((uint)0x00002000)
558 #define FCC_GFMR_RENC_NRZ	((uint)0x00000000)
559 #define FCC_GFMR_RENC_NRZI	((uint)0x00000800)
560 #define FCC_GFMR_REVD		((uint)0x00000400)
561 #define FCC_GFMR_TENC_NRZ	((uint)0x00000000)
562 #define FCC_GFMR_TENC_NRZI	((uint)0x00000100)
563 #define FCC_GFMR_TCRC_16	((uint)0x00000000)
564 #define FCC_GFMR_TCRC_32	((uint)0x00000080)
565 #define FCC_GFMR_ENR		((uint)0x00000020)
566 #define FCC_GFMR_ENT		((uint)0x00000010)
567 #define FCC_GFMR_MODE_ENET	((uint)0x0000000c)
568 #define FCC_GFMR_MODE_ATM	((uint)0x0000000a)
569 #define FCC_GFMR_MODE_HDLC	((uint)0x00000000)
570 
571 /* Generic FCC parameter ram.
572 */
573 typedef struct fcc_param {
574 	ushort	fcc_riptr;	/* Rx Internal temp pointer */
575 	ushort	fcc_tiptr;	/* Tx Internal temp pointer */
576 	ushort	fcc_res1;
577 	ushort	fcc_mrblr;	/* Max receive buffer length, mod 32 bytes */
578 	uint	fcc_rstate;	/* Upper byte is Func code, must be set */
579 	uint	fcc_rbase;	/* Receive BD base */
580 	ushort	fcc_rbdstat;	/* RxBD status */
581 	ushort	fcc_rbdlen;	/* RxBD down counter */
582 	uint	fcc_rdptr;	/* RxBD internal data pointer */
583 	uint	fcc_tstate;	/* Upper byte is Func code, must be set */
584 	uint	fcc_tbase;	/* Transmit BD base */
585 	ushort	fcc_tbdstat;	/* TxBD status */
586 	ushort	fcc_tbdlen;	/* TxBD down counter */
587 	uint	fcc_tdptr;	/* TxBD internal data pointer */
588 	uint	fcc_rbptr;	/* Rx BD Internal buf pointer */
589 	uint	fcc_tbptr;	/* Tx BD Internal buf pointer */
590 	uint	fcc_rcrc;	/* Rx temp CRC */
591 	uint	fcc_res2;
592 	uint	fcc_tcrc;	/* Tx temp CRC */
593 } fccp_t;
594 
595 
596 /* Ethernet controller through FCC.
597 */
598 typedef struct fcc_enet {
599 	fccp_t	fen_genfcc;
600 	uint	fen_statbuf;	/* Internal status buffer */
601 	uint	fen_camptr;	/* CAM address */
602 	uint	fen_cmask;	/* Constant mask for CRC */
603 	uint	fen_cpres;	/* Preset CRC */
604 	uint	fen_crcec;	/* CRC Error counter */
605 	uint	fen_alec;	/* alignment error counter */
606 	uint	fen_disfc;	/* discard frame counter */
607 	ushort	fen_retlim;	/* Retry limit */
608 	ushort	fen_retcnt;	/* Retry counter */
609 	ushort	fen_pper;	/* Persistence */
610 	ushort	fen_boffcnt;	/* backoff counter */
611 	uint	fen_gaddrh;	/* Group address filter, high 32-bits */
612 	uint	fen_gaddrl;	/* Group address filter, low 32-bits */
613 	ushort	fen_tfcstat;	/* out of sequence TxBD */
614 	ushort	fen_tfclen;
615 	uint	fen_tfcptr;
616 	ushort	fen_mflr;	/* Maximum frame length (1518) */
617 	ushort	fen_paddrh;	/* MAC address */
618 	ushort	fen_paddrm;
619 	ushort	fen_paddrl;
620 	ushort	fen_ibdcount;	/* Internal BD counter */
621 	ushort	fen_ibdstart;	/* Internal BD start pointer */
622 	ushort	fen_ibdend;	/* Internal BD end pointer */
623 	ushort	fen_txlen;	/* Internal Tx frame length counter */
624 	uint	fen_ibdbase[8]; /* Internal use */
625 	uint	fen_iaddrh;	/* Individual address filter */
626 	uint	fen_iaddrl;
627 	ushort	fen_minflr;	/* Minimum frame length (64) */
628 	ushort	fen_taddrh;	/* Filter transfer MAC address */
629 	ushort	fen_taddrm;
630 	ushort	fen_taddrl;
631 	ushort	fen_padptr;	/* Pointer to pad byte buffer */
632 	ushort	fen_cftype;	/* control frame type */
633 	ushort	fen_cfrange;	/* control frame range */
634 	ushort	fen_maxb;	/* maximum BD count */
635 	ushort	fen_maxd1;	/* Max DMA1 length (1520) */
636 	ushort	fen_maxd2;	/* Max DMA2 length (1520) */
637 	ushort	fen_maxd;	/* internal max DMA count */
638 	ushort	fen_dmacnt;	/* internal DMA counter */
639 	uint	fen_octc;	/* Total octect counter */
640 	uint	fen_colc;	/* Total collision counter */
641 	uint	fen_broc;	/* Total broadcast packet counter */
642 	uint	fen_mulc;	/* Total multicast packet count */
643 	uint	fen_uspc;	/* Total packets < 64 bytes */
644 	uint	fen_frgc;	/* Total packets < 64 bytes with errors */
645 	uint	fen_ospc;	/* Total packets > 1518 */
646 	uint	fen_jbrc;	/* Total packets > 1518 with errors */
647 	uint	fen_p64c;	/* Total packets == 64 bytes */
648 	uint	fen_p65c;	/* Total packets 64 < bytes <= 127 */
649 	uint	fen_p128c;	/* Total packets 127 < bytes <= 255 */
650 	uint	fen_p256c;	/* Total packets 256 < bytes <= 511 */
651 	uint	fen_p512c;	/* Total packets 512 < bytes <= 1023 */
652 	uint	fen_p1024c;	/* Total packets 1024 < bytes <= 1518 */
653 	uint	fen_cambuf;	/* Internal CAM buffer poiner */
654 	ushort	fen_rfthr;	/* Received frames threshold */
655 	ushort	fen_rfcnt;	/* Received frames count */
656 } fcc_enet_t;
657 
658 /* FCC Event/Mask register as used by Ethernet.
659 */
660 #define FCC_ENET_GRA	((ushort)0x0080)	/* Graceful stop complete */
661 #define FCC_ENET_RXC	((ushort)0x0040)	/* Control Frame Received */
662 #define FCC_ENET_TXC	((ushort)0x0020)	/* Out of seq. Tx sent */
663 #define FCC_ENET_TXE	((ushort)0x0010)	/* Transmit Error */
664 #define FCC_ENET_RXF	((ushort)0x0008)	/* Full frame received */
665 #define FCC_ENET_BSY	((ushort)0x0004)	/* Busy.  Rx Frame dropped */
666 #define FCC_ENET_TXB	((ushort)0x0002)	/* A buffer was transmitted */
667 #define FCC_ENET_RXB	((ushort)0x0001)	/* A buffer was received */
668 
669 /* FCC Mode Register (FPSMR) as used by Ethernet.
670 */
671 #define FCC_PSMR_HBC	((uint)0x80000000)	/* Enable heartbeat */
672 #define FCC_PSMR_FC	((uint)0x40000000)	/* Force Collision */
673 #define FCC_PSMR_SBT	((uint)0x20000000)	/* Stop backoff timer */
674 #define FCC_PSMR_LPB	((uint)0x10000000)	/* Local protect. 1 = FDX */
675 #define FCC_PSMR_LCW	((uint)0x08000000)	/* Late collision select */
676 #define FCC_PSMR_FDE	((uint)0x04000000)	/* Full Duplex Enable */
677 #define FCC_PSMR_MON	((uint)0x02000000)	/* RMON Enable */
678 #define FCC_PSMR_PRO	((uint)0x00400000)	/* Promiscuous Enable */
679 #define FCC_PSMR_FCE	((uint)0x00200000)	/* Flow Control Enable */
680 #define FCC_PSMR_RSH	((uint)0x00100000)	/* Receive Short Frames */
681 #define FCC_PSMR_CAM	((uint)0x00000400)	/* CAM enable */
682 #define FCC_PSMR_BRO	((uint)0x00000200)	/* Broadcast pkt discard */
683 #define FCC_PSMR_ENCRC	((uint)0x00000080)	/* Use 32-bit CRC */
684 
685 /* IIC parameter RAM.
686 */
687 typedef struct iic {
688 	ushort	iic_rbase;	/* Rx Buffer descriptor base address */
689 	ushort	iic_tbase;	/* Tx Buffer descriptor base address */
690 	u_char	iic_rfcr;	/* Rx function code */
691 	u_char	iic_tfcr;	/* Tx function code */
692 	ushort	iic_mrblr;	/* Max receive buffer length */
693 	uint	iic_rstate;	/* Internal */
694 	uint	iic_rdp;	/* Internal */
695 	ushort	iic_rbptr;	/* Internal */
696 	ushort	iic_rbc;	/* Internal */
697 	uint	iic_rxtmp;	/* Internal */
698 	uint	iic_tstate;	/* Internal */
699 	uint	iic_tdp;	/* Internal */
700 	ushort	iic_tbptr;	/* Internal */
701 	ushort	iic_tbc;	/* Internal */
702 	uint	iic_txtmp;	/* Internal */
703 } iic_t;
704 
705 /* SPI parameter RAM.
706 */
707 typedef struct spi {
708 	ushort	spi_rbase;	/* Rx Buffer descriptor base address */
709 	ushort	spi_tbase;	/* Tx Buffer descriptor base address */
710 	u_char	spi_rfcr;	/* Rx function code */
711 	u_char	spi_tfcr;	/* Tx function code */
712 	ushort	spi_mrblr;	/* Max receive buffer length */
713 	uint	spi_rstate;	/* Internal */
714 	uint	spi_rdp;	/* Internal */
715 	ushort	spi_rbptr;	/* Internal */
716 	ushort	spi_rbc;	/* Internal */
717 	uint	spi_rxtmp;	/* Internal */
718 	uint	spi_tstate;	/* Internal */
719 	uint	spi_tdp;	/* Internal */
720 	ushort	spi_tbptr;	/* Internal */
721 	ushort	spi_tbc;	/* Internal */
722 	uint	spi_txtmp;	/* Internal */
723 	uint	spi_res;	/* Tx temp. */
724 	uint	spi_res1[4];	/* SDMA temp. */
725 } spi_t;
726 
727 /* SPI Mode register.
728 */
729 #define SPMODE_LOOP	((ushort)0x4000)	/* Loopback */
730 #define SPMODE_CI	((ushort)0x2000)	/* Clock Invert */
731 #define SPMODE_CP	((ushort)0x1000)	/* Clock Phase */
732 #define SPMODE_DIV16	((ushort)0x0800)	/* BRG/16 mode */
733 #define SPMODE_REV	((ushort)0x0400)	/* Reversed Data */
734 #define SPMODE_MSTR	((ushort)0x0200)	/* SPI Master */
735 #define SPMODE_EN	((ushort)0x0100)	/* Enable */
736 #define SPMODE_LENMSK	((ushort)0x00f0)	/* character length */
737 #define SPMODE_PMMSK	((ushort)0x000f)	/* prescale modulus */
738 
739 #define SPMODE_LEN(x)	((((x)-1)&0xF)<<4)
740 #define SPMODE_PM(x)	((x) &0xF)
741 
742 #define SPI_EB		((u_char)0x10)		/* big endian byte order */
743 
744 #define BD_IIC_START		((ushort)0x0400)
745 
746 /* IDMA parameter RAM
747 */
748 typedef struct idma {
749 	ushort ibase;		/* IDMA buffer descriptor table base address */
750 	ushort dcm;		/* DMA channel mode */
751 	ushort ibdptr;		/* IDMA current buffer descriptor pointer */
752 	ushort dpr_buf;		/* IDMA transfer buffer base address */
753 	ushort buf_inv;		/* internal buffer inventory */
754 	ushort ss_max;		/* steady-state maximum transfer size */
755 	ushort dpr_in_ptr;	/* write pointer inside the internal buffer */
756 	ushort sts;		/* source transfer size */
757 	ushort dpr_out_ptr;	/* read pointer inside the internal buffer */
758 	ushort seob;		/* source end of burst */
759 	ushort deob;		/* destination end of burst */
760 	ushort dts;		/* destination transfer size */
761 	ushort ret_add;		/* return address when working in ERM=1 mode */
762 	ushort res0;		/* reserved */
763 	uint   bd_cnt;		/* internal byte count */
764 	uint   s_ptr;		/* source internal data pointer */
765 	uint   d_ptr;		/* destination internal data pointer */
766 	uint   istate;		/* internal state */
767 	u_char res1[20];	/* pad to 64-byte length */
768 } idma_t;
769 
770 /* DMA channel mode bit fields
771 */
772 #define IDMA_DCM_FB		((ushort)0x8000) /* fly-by mode */
773 #define IDMA_DCM_LP		((ushort)0x4000) /* low priority */
774 #define IDMA_DCM_TC2		((ushort)0x0400) /* value driven on TC[2] */
775 #define IDMA_DCM_DMA_WRAP_MASK	((ushort)0x01c0) /* mask for DMA wrap */
776 #define IDMA_DCM_DMA_WRAP_64	((ushort)0x0000) /* 64-byte DMA xfer buffer */
777 #define IDMA_DCM_DMA_WRAP_128	((ushort)0x0040) /* 128-byte DMA xfer buffer */
778 #define IDMA_DCM_DMA_WRAP_256	((ushort)0x0080) /* 256-byte DMA xfer buffer */
779 #define IDMA_DCM_DMA_WRAP_512	((ushort)0x00c0) /* 512-byte DMA xfer buffer */
780 #define IDMA_DCM_DMA_WRAP_1024	((ushort)0x0100) /* 1024-byte DMA xfer buffer */
781 #define IDMA_DCM_DMA_WRAP_2048	((ushort)0x0140) /* 2048-byte DMA xfer buffer */
782 #define IDMA_DCM_SINC		((ushort)0x0020) /* source inc addr */
783 #define IDMA_DCM_DINC		((ushort)0x0010) /* destination inc addr */
784 #define IDMA_DCM_ERM		((ushort)0x0008) /* external request mode */
785 #define IDMA_DCM_DT		((ushort)0x0004) /* DONE treatment */
786 #define IDMA_DCM_SD_MASK	((ushort)0x0003) /* mask for SD bit field */
787 #define IDMA_DCM_SD_MEM2MEM	((ushort)0x0000) /* memory-to-memory xfer */
788 #define IDMA_DCM_SD_PER2MEM	((ushort)0x0002) /* peripheral-to-memory xfer */
789 #define IDMA_DCM_SD_MEM2PER	((ushort)0x0001) /* memory-to-peripheral xfer */
790 
791 /* IDMA Buffer Descriptors
792 */
793 typedef struct idma_bd {
794 	uint flags;
795 	uint len;	/* data length */
796 	uint src;	/* source data buffer pointer */
797 	uint dst;	/* destination data buffer pointer */
798 } idma_bd_t;
799 
800 /* IDMA buffer descriptor flag bit fields
801 */
802 #define IDMA_BD_V	((uint)0x80000000)	/* valid */
803 #define IDMA_BD_W	((uint)0x20000000)	/* wrap */
804 #define IDMA_BD_I	((uint)0x10000000)	/* interrupt */
805 #define IDMA_BD_L	((uint)0x08000000)	/* last */
806 #define IDMA_BD_CM	((uint)0x02000000)	/* continuous mode */
807 #define IDMA_BD_SDN	((uint)0x00400000)	/* source done */
808 #define IDMA_BD_DDN	((uint)0x00200000)	/* destination done */
809 #define IDMA_BD_DGBL	((uint)0x00100000)	/* destination global */
810 #define IDMA_BD_DBO_LE	((uint)0x00040000)	/* little-end dest byte order */
811 #define IDMA_BD_DBO_BE	((uint)0x00080000)	/* big-end dest byte order */
812 #define IDMA_BD_DDTB	((uint)0x00010000)	/* destination data bus */
813 #define IDMA_BD_SGBL	((uint)0x00002000)	/* source global */
814 #define IDMA_BD_SBO_LE	((uint)0x00000800)	/* little-end src byte order */
815 #define IDMA_BD_SBO_BE	((uint)0x00001000)	/* big-end src byte order */
816 #define IDMA_BD_SDTB	((uint)0x00000200)	/* source data bus */
817 
818 /* per-channel IDMA registers
819 */
820 typedef struct im_idma {
821 	u_char idsr;			/* IDMAn event status register */
822 	u_char res0[3];
823 	u_char idmr;			/* IDMAn event mask register */
824 	u_char res1[3];
825 } im_idma_t;
826 
827 /* IDMA event register bit fields
828 */
829 #define IDMA_EVENT_SC	((unsigned char)0x08)	/* stop completed */
830 #define IDMA_EVENT_OB	((unsigned char)0x04)	/* out of buffers */
831 #define IDMA_EVENT_EDN	((unsigned char)0x02)	/* external DONE asserted */
832 #define IDMA_EVENT_BC	((unsigned char)0x01)	/* buffer descriptor complete */
833 
834 /* RISC Controller Configuration Register (RCCR) bit fields
835 */
836 #define RCCR_TIME	((uint)0x80000000) /* timer enable */
837 #define RCCR_TIMEP_MASK	((uint)0x3f000000) /* mask for timer period bit field */
838 #define RCCR_DR0M	((uint)0x00800000) /* IDMA0 request mode */
839 #define RCCR_DR1M	((uint)0x00400000) /* IDMA1 request mode */
840 #define RCCR_DR2M	((uint)0x00000080) /* IDMA2 request mode */
841 #define RCCR_DR3M	((uint)0x00000040) /* IDMA3 request mode */
842 #define RCCR_DR0QP_MASK	((uint)0x00300000) /* mask for IDMA0 req priority */
843 #define RCCR_DR0QP_HIGH ((uint)0x00000000) /* IDMA0 has high req priority */
844 #define RCCR_DR0QP_MED	((uint)0x00100000) /* IDMA0 has medium req priority */
845 #define RCCR_DR0QP_LOW	((uint)0x00200000) /* IDMA0 has low req priority */
846 #define RCCR_DR1QP_MASK	((uint)0x00030000) /* mask for IDMA1 req priority */
847 #define RCCR_DR1QP_HIGH ((uint)0x00000000) /* IDMA1 has high req priority */
848 #define RCCR_DR1QP_MED	((uint)0x00010000) /* IDMA1 has medium req priority */
849 #define RCCR_DR1QP_LOW	((uint)0x00020000) /* IDMA1 has low req priority */
850 #define RCCR_DR2QP_MASK	((uint)0x00000030) /* mask for IDMA2 req priority */
851 #define RCCR_DR2QP_HIGH ((uint)0x00000000) /* IDMA2 has high req priority */
852 #define RCCR_DR2QP_MED	((uint)0x00000010) /* IDMA2 has medium req priority */
853 #define RCCR_DR2QP_LOW	((uint)0x00000020) /* IDMA2 has low req priority */
854 #define RCCR_DR3QP_MASK	((uint)0x00000003) /* mask for IDMA3 req priority */
855 #define RCCR_DR3QP_HIGH ((uint)0x00000000) /* IDMA3 has high req priority */
856 #define RCCR_DR3QP_MED	((uint)0x00000001) /* IDMA3 has medium req priority */
857 #define RCCR_DR3QP_LOW	((uint)0x00000002) /* IDMA3 has low req priority */
858 #define RCCR_EIE	((uint)0x00080000) /* external interrupt enable */
859 #define RCCR_SCD	((uint)0x00040000) /* scheduler configuration */
860 #define RCCR_ERAM_MASK	((uint)0x0000e000) /* mask for enable RAM microcode */
861 #define RCCR_ERAM_0KB	((uint)0x00000000) /* use 0KB of dpram for microcode */
862 #define RCCR_ERAM_2KB	((uint)0x00002000) /* use 2KB of dpram for microcode */
863 #define RCCR_ERAM_4KB	((uint)0x00004000) /* use 4KB of dpram for microcode */
864 #define RCCR_ERAM_6KB	((uint)0x00006000) /* use 6KB of dpram for microcode */
865 #define RCCR_ERAM_8KB	((uint)0x00008000) /* use 8KB of dpram for microcode */
866 #define RCCR_ERAM_10KB	((uint)0x0000a000) /* use 10KB of dpram for microcode */
867 #define RCCR_ERAM_12KB	((uint)0x0000c000) /* use 12KB of dpram for microcode */
868 #define RCCR_EDM0	((uint)0x00000800) /* DREQ0 edge detect mode */
869 #define RCCR_EDM1	((uint)0x00000400) /* DREQ1 edge detect mode */
870 #define RCCR_EDM2	((uint)0x00000200) /* DREQ2 edge detect mode */
871 #define RCCR_EDM3	((uint)0x00000100) /* DREQ3 edge detect mode */
872 #define RCCR_DEM01	((uint)0x00000008) /* DONE0/DONE1 edge detect mode */
873 #define RCCR_DEM23	((uint)0x00000004) /* DONE2/DONE3 edge detect mode */
874 
875 /*-----------------------------------------------------------------------
876  * CMXFCR - CMX FCC Clock Route Register
877  */
878 #define CMXFCR_FC1         0x40000000   /* FCC1 connection              */
879 #define CMXFCR_RF1CS_MSK   0x38000000   /* Receive FCC1 Clock Source Mask */
880 #define CMXFCR_TF1CS_MSK   0x07000000   /* Transmit FCC1 Clock Source Mask */
881 #define CMXFCR_FC2         0x00400000   /* FCC2 connection              */
882 #define CMXFCR_RF2CS_MSK   0x00380000   /* Receive FCC2 Clock Source Mask */
883 #define CMXFCR_TF2CS_MSK   0x00070000   /* Transmit FCC2 Clock Source Mask */
884 #define CMXFCR_FC3         0x00004000   /* FCC3 connection              */
885 #define CMXFCR_RF3CS_MSK   0x00003800   /* Receive FCC3 Clock Source Mask */
886 #define CMXFCR_TF3CS_MSK   0x00000700   /* Transmit FCC3 Clock Source Mask */
887 
888 #define CMXFCR_RF1CS_BRG5  0x00000000   /* Receive FCC1 Clock Source is BRG5 */
889 #define CMXFCR_RF1CS_BRG6  0x08000000   /* Receive FCC1 Clock Source is BRG6 */
890 #define CMXFCR_RF1CS_BRG7  0x10000000   /* Receive FCC1 Clock Source is BRG7 */
891 #define CMXFCR_RF1CS_BRG8  0x18000000   /* Receive FCC1 Clock Source is BRG8 */
892 #define CMXFCR_RF1CS_CLK9  0x20000000   /* Receive FCC1 Clock Source is CLK9 */
893 #define CMXFCR_RF1CS_CLK10 0x28000000   /* Receive FCC1 Clock Source is CLK10 */
894 #define CMXFCR_RF1CS_CLK11 0x30000000   /* Receive FCC1 Clock Source is CLK11 */
895 #define CMXFCR_RF1CS_CLK12 0x38000000   /* Receive FCC1 Clock Source is CLK12 */
896 
897 #define CMXFCR_TF1CS_BRG5  0x00000000   /* Transmit FCC1 Clock Source is BRG5 */
898 #define CMXFCR_TF1CS_BRG6  0x01000000   /* Transmit FCC1 Clock Source is BRG6 */
899 #define CMXFCR_TF1CS_BRG7  0x02000000   /* Transmit FCC1 Clock Source is BRG7 */
900 #define CMXFCR_TF1CS_BRG8  0x03000000   /* Transmit FCC1 Clock Source is BRG8 */
901 #define CMXFCR_TF1CS_CLK9  0x04000000   /* Transmit FCC1 Clock Source is CLK9 */
902 #define CMXFCR_TF1CS_CLK10 0x05000000   /* Transmit FCC1 Clock Source is CLK10 */
903 #define CMXFCR_TF1CS_CLK11 0x06000000   /* Transmit FCC1 Clock Source is CLK11 */
904 #define CMXFCR_TF1CS_CLK12 0x07000000   /* Transmit FCC1 Clock Source is CLK12 */
905 
906 #define CMXFCR_RF2CS_BRG5  0x00000000   /* Receive FCC2 Clock Source is BRG5 */
907 #define CMXFCR_RF2CS_BRG6  0x00080000   /* Receive FCC2 Clock Source is BRG6 */
908 #define CMXFCR_RF2CS_BRG7  0x00100000   /* Receive FCC2 Clock Source is BRG7 */
909 #define CMXFCR_RF2CS_BRG8  0x00180000   /* Receive FCC2 Clock Source is BRG8 */
910 #define CMXFCR_RF2CS_CLK13 0x00200000   /* Receive FCC2 Clock Source is CLK13 */
911 #define CMXFCR_RF2CS_CLK14 0x00280000   /* Receive FCC2 Clock Source is CLK14 */
912 #define CMXFCR_RF2CS_CLK15 0x00300000   /* Receive FCC2 Clock Source is CLK15 */
913 #define CMXFCR_RF2CS_CLK16 0x00380000   /* Receive FCC2 Clock Source is CLK16 */
914 
915 #define CMXFCR_TF2CS_BRG5  0x00000000   /* Transmit FCC2 Clock Source is BRG5 */
916 #define CMXFCR_TF2CS_BRG6  0x00010000   /* Transmit FCC2 Clock Source is BRG6 */
917 #define CMXFCR_TF2CS_BRG7  0x00020000   /* Transmit FCC2 Clock Source is BRG7 */
918 #define CMXFCR_TF2CS_BRG8  0x00030000   /* Transmit FCC2 Clock Source is BRG8 */
919 #define CMXFCR_TF2CS_CLK13 0x00040000   /* Transmit FCC2 Clock Source is CLK13 */
920 #define CMXFCR_TF2CS_CLK14 0x00050000   /* Transmit FCC2 Clock Source is CLK14 */
921 #define CMXFCR_TF2CS_CLK15 0x00060000   /* Transmit FCC2 Clock Source is CLK15 */
922 #define CMXFCR_TF2CS_CLK16 0x00070000   /* Transmit FCC2 Clock Source is CLK16 */
923 
924 #define CMXFCR_RF3CS_BRG5  0x00000000   /* Receive FCC3 Clock Source is BRG5 */
925 #define CMXFCR_RF3CS_BRG6  0x00000800   /* Receive FCC3 Clock Source is BRG6 */
926 #define CMXFCR_RF3CS_BRG7  0x00001000   /* Receive FCC3 Clock Source is BRG7 */
927 #define CMXFCR_RF3CS_BRG8  0x00001800   /* Receive FCC3 Clock Source is BRG8 */
928 #define CMXFCR_RF3CS_CLK13 0x00002000   /* Receive FCC3 Clock Source is CLK13 */
929 #define CMXFCR_RF3CS_CLK14 0x00002800   /* Receive FCC3 Clock Source is CLK14 */
930 #define CMXFCR_RF3CS_CLK15 0x00003000   /* Receive FCC3 Clock Source is CLK15 */
931 #define CMXFCR_RF3CS_CLK16 0x00003800   /* Receive FCC3 Clock Source is CLK16 */
932 
933 #define CMXFCR_TF3CS_BRG5  0x00000000   /* Transmit FCC3 Clock Source is BRG5 */
934 #define CMXFCR_TF3CS_BRG6  0x00000100   /* Transmit FCC3 Clock Source is BRG6 */
935 #define CMXFCR_TF3CS_BRG7  0x00000200   /* Transmit FCC3 Clock Source is BRG7 */
936 #define CMXFCR_TF3CS_BRG8  0x00000300   /* Transmit FCC3 Clock Source is BRG8 */
937 #define CMXFCR_TF3CS_CLK13 0x00000400   /* Transmit FCC3 Clock Source is CLK13 */
938 #define CMXFCR_TF3CS_CLK14 0x00000500   /* Transmit FCC3 Clock Source is CLK14 */
939 #define CMXFCR_TF3CS_CLK15 0x00000600   /* Transmit FCC3 Clock Source is CLK15 */
940 #define CMXFCR_TF3CS_CLK16 0x00000700   /* Transmit FCC3 Clock Source is CLK16 */
941 
942 /*-----------------------------------------------------------------------
943  * CMXSCR - CMX SCC Clock Route Register
944  */
945 #define CMXSCR_GR1         0x80000000   /* Grant Support of SCC1        */
946 #define CMXSCR_SC1         0x40000000   /* SCC1 connection              */
947 #define CMXSCR_RS1CS_MSK   0x38000000   /* Receive SCC1 Clock Source Mask */
948 #define CMXSCR_TS1CS_MSK   0x07000000   /* Transmit SCC1 Clock Source Mask */
949 #define CMXSCR_GR2         0x00800000   /* Grant Support of SCC2        */
950 #define CMXSCR_SC2         0x00400000   /* SCC2 connection              */
951 #define CMXSCR_RS2CS_MSK   0x00380000   /* Receive SCC2 Clock Source Mask */
952 #define CMXSCR_TS2CS_MSK   0x00070000   /* Transmit SCC2 Clock Source Mask */
953 #define CMXSCR_GR3         0x00008000   /* Grant Support of SCC3        */
954 #define CMXSCR_SC3         0x00004000   /* SCC3 connection              */
955 #define CMXSCR_RS3CS_MSK   0x00003800   /* Receive SCC3 Clock Source Mask */
956 #define CMXSCR_TS3CS_MSK   0x00000700   /* Transmit SCC3 Clock Source Mask */
957 #define CMXSCR_GR4         0x00000080   /* Grant Support of SCC4        */
958 #define CMXSCR_SC4         0x00000040   /* SCC4 connection              */
959 #define CMXSCR_RS4CS_MSK   0x00000038   /* Receive SCC4 Clock Source Mask */
960 #define CMXSCR_TS4CS_MSK   0x00000007   /* Transmit SCC4 Clock Source Mask */
961 
962 #define CMXSCR_RS1CS_BRG1  0x00000000   /* SCC1 Rx Clock Source is BRG1 */
963 #define CMXSCR_RS1CS_BRG2  0x08000000   /* SCC1 Rx Clock Source is BRG2 */
964 #define CMXSCR_RS1CS_BRG3  0x10000000   /* SCC1 Rx Clock Source is BRG3 */
965 #define CMXSCR_RS1CS_BRG4  0x18000000   /* SCC1 Rx Clock Source is BRG4 */
966 #define CMXSCR_RS1CS_CLK11 0x20000000   /* SCC1 Rx Clock Source is CLK11 */
967 #define CMXSCR_RS1CS_CLK12 0x28000000   /* SCC1 Rx Clock Source is CLK12 */
968 #define CMXSCR_RS1CS_CLK3  0x30000000   /* SCC1 Rx Clock Source is CLK3 */
969 #define CMXSCR_RS1CS_CLK4  0x38000000   /* SCC1 Rx Clock Source is CLK4 */
970 
971 #define CMXSCR_TS1CS_BRG1  0x00000000   /* SCC1 Tx Clock Source is BRG1 */
972 #define CMXSCR_TS1CS_BRG2  0x01000000   /* SCC1 Tx Clock Source is BRG2 */
973 #define CMXSCR_TS1CS_BRG3  0x02000000   /* SCC1 Tx Clock Source is BRG3 */
974 #define CMXSCR_TS1CS_BRG4  0x03000000   /* SCC1 Tx Clock Source is BRG4 */
975 #define CMXSCR_TS1CS_CLK11 0x04000000   /* SCC1 Tx Clock Source is CLK11 */
976 #define CMXSCR_TS1CS_CLK12 0x05000000   /* SCC1 Tx Clock Source is CLK12 */
977 #define CMXSCR_TS1CS_CLK3  0x06000000   /* SCC1 Tx Clock Source is CLK3 */
978 #define CMXSCR_TS1CS_CLK4  0x07000000   /* SCC1 Tx Clock Source is CLK4 */
979 
980 #define CMXSCR_RS2CS_BRG1  0x00000000   /* SCC2 Rx Clock Source is BRG1 */
981 #define CMXSCR_RS2CS_BRG2  0x00080000   /* SCC2 Rx Clock Source is BRG2 */
982 #define CMXSCR_RS2CS_BRG3  0x00100000   /* SCC2 Rx Clock Source is BRG3 */
983 #define CMXSCR_RS2CS_BRG4  0x00180000   /* SCC2 Rx Clock Source is BRG4 */
984 #define CMXSCR_RS2CS_CLK11 0x00200000   /* SCC2 Rx Clock Source is CLK11 */
985 #define CMXSCR_RS2CS_CLK12 0x00280000   /* SCC2 Rx Clock Source is CLK12 */
986 #define CMXSCR_RS2CS_CLK3  0x00300000   /* SCC2 Rx Clock Source is CLK3 */
987 #define CMXSCR_RS2CS_CLK4  0x00380000   /* SCC2 Rx Clock Source is CLK4 */
988 
989 #define CMXSCR_TS2CS_BRG1  0x00000000   /* SCC2 Tx Clock Source is BRG1 */
990 #define CMXSCR_TS2CS_BRG2  0x00010000   /* SCC2 Tx Clock Source is BRG2 */
991 #define CMXSCR_TS2CS_BRG3  0x00020000   /* SCC2 Tx Clock Source is BRG3 */
992 #define CMXSCR_TS2CS_BRG4  0x00030000   /* SCC2 Tx Clock Source is BRG4 */
993 #define CMXSCR_TS2CS_CLK11 0x00040000   /* SCC2 Tx Clock Source is CLK11 */
994 #define CMXSCR_TS2CS_CLK12 0x00050000   /* SCC2 Tx Clock Source is CLK12 */
995 #define CMXSCR_TS2CS_CLK3  0x00060000   /* SCC2 Tx Clock Source is CLK3 */
996 #define CMXSCR_TS2CS_CLK4  0x00070000   /* SCC2 Tx Clock Source is CLK4 */
997 
998 #define CMXSCR_RS3CS_BRG1  0x00000000   /* SCC3 Rx Clock Source is BRG1 */
999 #define CMXSCR_RS3CS_BRG2  0x00000800   /* SCC3 Rx Clock Source is BRG2 */
1000 #define CMXSCR_RS3CS_BRG3  0x00001000   /* SCC3 Rx Clock Source is BRG3 */
1001 #define CMXSCR_RS3CS_BRG4  0x00001800   /* SCC3 Rx Clock Source is BRG4 */
1002 #define CMXSCR_RS3CS_CLK5  0x00002000   /* SCC3 Rx Clock Source is CLK5 */
1003 #define CMXSCR_RS3CS_CLK6  0x00002800   /* SCC3 Rx Clock Source is CLK6 */
1004 #define CMXSCR_RS3CS_CLK7  0x00003000   /* SCC3 Rx Clock Source is CLK7 */
1005 #define CMXSCR_RS3CS_CLK8  0x00003800   /* SCC3 Rx Clock Source is CLK8 */
1006 
1007 #define CMXSCR_TS3CS_BRG1  0x00000000   /* SCC3 Tx Clock Source is BRG1 */
1008 #define CMXSCR_TS3CS_BRG2  0x00000100   /* SCC3 Tx Clock Source is BRG2 */
1009 #define CMXSCR_TS3CS_BRG3  0x00000200   /* SCC3 Tx Clock Source is BRG3 */
1010 #define CMXSCR_TS3CS_BRG4  0x00000300   /* SCC3 Tx Clock Source is BRG4 */
1011 #define CMXSCR_TS3CS_CLK5  0x00000400   /* SCC3 Tx Clock Source is CLK5 */
1012 #define CMXSCR_TS3CS_CLK6  0x00000500   /* SCC3 Tx Clock Source is CLK6 */
1013 #define CMXSCR_TS3CS_CLK7  0x00000600   /* SCC3 Tx Clock Source is CLK7 */
1014 #define CMXSCR_TS3CS_CLK8  0x00000700   /* SCC3 Tx Clock Source is CLK8 */
1015 
1016 #define CMXSCR_RS4CS_BRG1  0x00000000   /* SCC4 Rx Clock Source is BRG1 */
1017 #define CMXSCR_RS4CS_BRG2  0x00000008   /* SCC4 Rx Clock Source is BRG2 */
1018 #define CMXSCR_RS4CS_BRG3  0x00000010   /* SCC4 Rx Clock Source is BRG3 */
1019 #define CMXSCR_RS4CS_BRG4  0x00000018   /* SCC4 Rx Clock Source is BRG4 */
1020 #define CMXSCR_RS4CS_CLK5  0x00000020   /* SCC4 Rx Clock Source is CLK5 */
1021 #define CMXSCR_RS4CS_CLK6  0x00000028   /* SCC4 Rx Clock Source is CLK6 */
1022 #define CMXSCR_RS4CS_CLK7  0x00000030   /* SCC4 Rx Clock Source is CLK7 */
1023 #define CMXSCR_RS4CS_CLK8  0x00000038   /* SCC4 Rx Clock Source is CLK8 */
1024 
1025 #define CMXSCR_TS4CS_BRG1  0x00000000   /* SCC4 Tx Clock Source is BRG1 */
1026 #define CMXSCR_TS4CS_BRG2  0x00000001   /* SCC4 Tx Clock Source is BRG2 */
1027 #define CMXSCR_TS4CS_BRG3  0x00000002   /* SCC4 Tx Clock Source is BRG3 */
1028 #define CMXSCR_TS4CS_BRG4  0x00000003   /* SCC4 Tx Clock Source is BRG4 */
1029 #define CMXSCR_TS4CS_CLK5  0x00000004   /* SCC4 Tx Clock Source is CLK5 */
1030 #define CMXSCR_TS4CS_CLK6  0x00000005   /* SCC4 Tx Clock Source is CLK6 */
1031 #define CMXSCR_TS4CS_CLK7  0x00000006   /* SCC4 Tx Clock Source is CLK7 */
1032 #define CMXSCR_TS4CS_CLK8  0x00000007   /* SCC4 Tx Clock Source is CLK8 */
1033 
1034 #endif /* __CPM2__ */
1035 #endif /* __KERNEL__ */
1036 
1037 
1038