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