1 /*
2 * Copyright (C) 2006 Freescale Semicondutor, Inc. All rights reserved.
3 *
4 * Authors: Shlomi Gridish <gridish@freescale.com>
5 * Li Yang <leoli@freescale.com>
6 *
7 * Description:
8 * QUICC Engine (QE) external definitions and structure.
9 *
10 * This program is free software; you can redistribute it and/or modify it
11 * under the terms of the GNU General Public License as published by the
12 * Free Software Foundation; either version 2 of the License, or (at your
13 * option) any later version.
14 */
15 #ifndef _ASM_POWERPC_QE_H
16 #define _ASM_POWERPC_QE_H
17 #ifdef __KERNEL__
18
19 #include <linux/spinlock.h>
20 #include <linux/errno.h>
21 #include <linux/err.h>
22 #include <asm/cpm.h>
23 #include <asm/immap_qe.h>
24
25 #define QE_NUM_OF_SNUM 28
26 #define QE_NUM_OF_BRGS 16
27 #define QE_NUM_OF_PORTS 1024
28
29 /* Memory partitions
30 */
31 #define MEM_PART_SYSTEM 0
32 #define MEM_PART_SECONDARY 1
33 #define MEM_PART_MURAM 2
34
35 /* Clocks and BRGs */
36 enum qe_clock {
37 QE_CLK_NONE = 0,
38 QE_BRG1, /* Baud Rate Generator 1 */
39 QE_BRG2, /* Baud Rate Generator 2 */
40 QE_BRG3, /* Baud Rate Generator 3 */
41 QE_BRG4, /* Baud Rate Generator 4 */
42 QE_BRG5, /* Baud Rate Generator 5 */
43 QE_BRG6, /* Baud Rate Generator 6 */
44 QE_BRG7, /* Baud Rate Generator 7 */
45 QE_BRG8, /* Baud Rate Generator 8 */
46 QE_BRG9, /* Baud Rate Generator 9 */
47 QE_BRG10, /* Baud Rate Generator 10 */
48 QE_BRG11, /* Baud Rate Generator 11 */
49 QE_BRG12, /* Baud Rate Generator 12 */
50 QE_BRG13, /* Baud Rate Generator 13 */
51 QE_BRG14, /* Baud Rate Generator 14 */
52 QE_BRG15, /* Baud Rate Generator 15 */
53 QE_BRG16, /* Baud Rate Generator 16 */
54 QE_CLK1, /* Clock 1 */
55 QE_CLK2, /* Clock 2 */
56 QE_CLK3, /* Clock 3 */
57 QE_CLK4, /* Clock 4 */
58 QE_CLK5, /* Clock 5 */
59 QE_CLK6, /* Clock 6 */
60 QE_CLK7, /* Clock 7 */
61 QE_CLK8, /* Clock 8 */
62 QE_CLK9, /* Clock 9 */
63 QE_CLK10, /* Clock 10 */
64 QE_CLK11, /* Clock 11 */
65 QE_CLK12, /* Clock 12 */
66 QE_CLK13, /* Clock 13 */
67 QE_CLK14, /* Clock 14 */
68 QE_CLK15, /* Clock 15 */
69 QE_CLK16, /* Clock 16 */
70 QE_CLK17, /* Clock 17 */
71 QE_CLK18, /* Clock 18 */
72 QE_CLK19, /* Clock 19 */
73 QE_CLK20, /* Clock 20 */
74 QE_CLK21, /* Clock 21 */
75 QE_CLK22, /* Clock 22 */
76 QE_CLK23, /* Clock 23 */
77 QE_CLK24, /* Clock 24 */
78 QE_CLK_DUMMY
79 };
80
qe_clock_is_brg(enum qe_clock clk)81 static inline bool qe_clock_is_brg(enum qe_clock clk)
82 {
83 return clk >= QE_BRG1 && clk <= QE_BRG16;
84 }
85
86 extern spinlock_t cmxgcr_lock;
87
88 /* Export QE common operations */
89 #ifdef CONFIG_QUICC_ENGINE
90 extern void __init qe_reset(void);
91 #else
qe_reset(void)92 static inline void qe_reset(void) {}
93 #endif
94
95 /* QE PIO */
96 #define QE_PIO_PINS 32
97
98 struct qe_pio_regs {
99 __be32 cpodr; /* Open drain register */
100 __be32 cpdata; /* Data register */
101 __be32 cpdir1; /* Direction register */
102 __be32 cpdir2; /* Direction register */
103 __be32 cppar1; /* Pin assignment register */
104 __be32 cppar2; /* Pin assignment register */
105 #ifdef CONFIG_PPC_85xx
106 u8 pad[8];
107 #endif
108 };
109
110 #define QE_PIO_DIR_IN 2
111 #define QE_PIO_DIR_OUT 1
112 extern void __par_io_config_pin(struct qe_pio_regs __iomem *par_io, u8 pin,
113 int dir, int open_drain, int assignment,
114 int has_irq);
115 #ifdef CONFIG_QUICC_ENGINE
116 extern int par_io_init(struct device_node *np);
117 extern int par_io_of_config(struct device_node *np);
118 extern int par_io_config_pin(u8 port, u8 pin, int dir, int open_drain,
119 int assignment, int has_irq);
120 extern int par_io_data_set(u8 port, u8 pin, u8 val);
121 #else
par_io_init(struct device_node * np)122 static inline int par_io_init(struct device_node *np) { return -ENOSYS; }
par_io_of_config(struct device_node * np)123 static inline int par_io_of_config(struct device_node *np) { return -ENOSYS; }
par_io_config_pin(u8 port,u8 pin,int dir,int open_drain,int assignment,int has_irq)124 static inline int par_io_config_pin(u8 port, u8 pin, int dir, int open_drain,
125 int assignment, int has_irq) { return -ENOSYS; }
par_io_data_set(u8 port,u8 pin,u8 val)126 static inline int par_io_data_set(u8 port, u8 pin, u8 val) { return -ENOSYS; }
127 #endif /* CONFIG_QUICC_ENGINE */
128
129 /*
130 * Pin multiplexing functions.
131 */
132 struct qe_pin;
133 #ifdef CONFIG_QE_GPIO
134 extern struct qe_pin *qe_pin_request(struct device_node *np, int index);
135 extern void qe_pin_free(struct qe_pin *qe_pin);
136 extern void qe_pin_set_gpio(struct qe_pin *qe_pin);
137 extern void qe_pin_set_dedicated(struct qe_pin *pin);
138 #else
qe_pin_request(struct device_node * np,int index)139 static inline struct qe_pin *qe_pin_request(struct device_node *np, int index)
140 {
141 return ERR_PTR(-ENOSYS);
142 }
qe_pin_free(struct qe_pin * qe_pin)143 static inline void qe_pin_free(struct qe_pin *qe_pin) {}
qe_pin_set_gpio(struct qe_pin * qe_pin)144 static inline void qe_pin_set_gpio(struct qe_pin *qe_pin) {}
qe_pin_set_dedicated(struct qe_pin * pin)145 static inline void qe_pin_set_dedicated(struct qe_pin *pin) {}
146 #endif /* CONFIG_QE_GPIO */
147
148 /* QE internal API */
149 int qe_issue_cmd(u32 cmd, u32 device, u8 mcn_protocol, u32 cmd_input);
150 enum qe_clock qe_clock_source(const char *source);
151 unsigned int qe_get_brg_clk(void);
152 int qe_setbrg(enum qe_clock brg, unsigned int rate, unsigned int multiplier);
153 int qe_get_snum(void);
154 void qe_put_snum(u8 snum);
155 /* we actually use cpm_muram implementation, define this for convenience */
156 #define qe_muram_init cpm_muram_init
157 #define qe_muram_alloc cpm_muram_alloc
158 #define qe_muram_alloc_fixed cpm_muram_alloc_fixed
159 #define qe_muram_free cpm_muram_free
160 #define qe_muram_addr cpm_muram_addr
161 #define qe_muram_offset cpm_muram_offset
162
163 /* Structure that defines QE firmware binary files.
164 *
165 * See Documentation/powerpc/qe-firmware.txt for a description of these
166 * fields.
167 */
168 struct qe_firmware {
169 struct qe_header {
170 __be32 length; /* Length of the entire structure, in bytes */
171 u8 magic[3]; /* Set to { 'Q', 'E', 'F' } */
172 u8 version; /* Version of this layout. First ver is '1' */
173 } header;
174 u8 id[62]; /* Null-terminated identifier string */
175 u8 split; /* 0 = shared I-RAM, 1 = split I-RAM */
176 u8 count; /* Number of microcode[] structures */
177 struct {
178 __be16 model; /* The SOC model */
179 u8 major; /* The SOC revision major */
180 u8 minor; /* The SOC revision minor */
181 } __attribute__ ((packed)) soc;
182 u8 padding[4]; /* Reserved, for alignment */
183 __be64 extended_modes; /* Extended modes */
184 __be32 vtraps[8]; /* Virtual trap addresses */
185 u8 reserved[4]; /* Reserved, for future expansion */
186 struct qe_microcode {
187 u8 id[32]; /* Null-terminated identifier */
188 __be32 traps[16]; /* Trap addresses, 0 == ignore */
189 __be32 eccr; /* The value for the ECCR register */
190 __be32 iram_offset; /* Offset into I-RAM for the code */
191 __be32 count; /* Number of 32-bit words of the code */
192 __be32 code_offset; /* Offset of the actual microcode */
193 u8 major; /* The microcode version major */
194 u8 minor; /* The microcode version minor */
195 u8 revision; /* The microcode version revision */
196 u8 padding; /* Reserved, for alignment */
197 u8 reserved[4]; /* Reserved, for future expansion */
198 } __attribute__ ((packed)) microcode[1];
199 /* All microcode binaries should be located here */
200 /* CRC32 should be located here, after the microcode binaries */
201 } __attribute__ ((packed));
202
203 struct qe_firmware_info {
204 char id[64]; /* Firmware name */
205 u32 vtraps[8]; /* Virtual trap addresses */
206 u64 extended_modes; /* Extended modes */
207 };
208
209 /* Upload a firmware to the QE */
210 int qe_upload_firmware(const struct qe_firmware *firmware);
211
212 /* Obtain information on the uploaded firmware */
213 struct qe_firmware_info *qe_get_firmware_info(void);
214
215 /* QE USB */
216 int qe_usb_clock_set(enum qe_clock clk, int rate);
217
218 /* Buffer descriptors */
219 struct qe_bd {
220 __be16 status;
221 __be16 length;
222 __be32 buf;
223 } __attribute__ ((packed));
224
225 #define BD_STATUS_MASK 0xffff0000
226 #define BD_LENGTH_MASK 0x0000ffff
227
228 /* Alignment */
229 #define QE_INTR_TABLE_ALIGN 16 /* ??? */
230 #define QE_ALIGNMENT_OF_BD 8
231 #define QE_ALIGNMENT_OF_PRAM 64
232
233 /* RISC allocation */
234 enum qe_risc_allocation {
235 QE_RISC_ALLOCATION_RISC1 = 1, /* RISC 1 */
236 QE_RISC_ALLOCATION_RISC2 = 2, /* RISC 2 */
237 QE_RISC_ALLOCATION_RISC1_AND_RISC2 = 3 /* Dynamically choose
238 RISC 1 or RISC 2 */
239 };
240
241 /* QE extended filtering Table Lookup Key Size */
242 enum qe_fltr_tbl_lookup_key_size {
243 QE_FLTR_TABLE_LOOKUP_KEY_SIZE_8_BYTES
244 = 0x3f, /* LookupKey parsed by the Generate LookupKey
245 CMD is truncated to 8 bytes */
246 QE_FLTR_TABLE_LOOKUP_KEY_SIZE_16_BYTES
247 = 0x5f, /* LookupKey parsed by the Generate LookupKey
248 CMD is truncated to 16 bytes */
249 };
250
251 /* QE FLTR extended filtering Largest External Table Lookup Key Size */
252 enum qe_fltr_largest_external_tbl_lookup_key_size {
253 QE_FLTR_LARGEST_EXTERNAL_TABLE_LOOKUP_KEY_SIZE_NONE
254 = 0x0,/* not used */
255 QE_FLTR_LARGEST_EXTERNAL_TABLE_LOOKUP_KEY_SIZE_8_BYTES
256 = QE_FLTR_TABLE_LOOKUP_KEY_SIZE_8_BYTES, /* 8 bytes */
257 QE_FLTR_LARGEST_EXTERNAL_TABLE_LOOKUP_KEY_SIZE_16_BYTES
258 = QE_FLTR_TABLE_LOOKUP_KEY_SIZE_16_BYTES, /* 16 bytes */
259 };
260
261 /* structure representing QE parameter RAM */
262 struct qe_timer_tables {
263 u16 tm_base; /* QE timer table base adr */
264 u16 tm_ptr; /* QE timer table pointer */
265 u16 r_tmr; /* QE timer mode register */
266 u16 r_tmv; /* QE timer valid register */
267 u32 tm_cmd; /* QE timer cmd register */
268 u32 tm_cnt; /* QE timer internal cnt */
269 } __attribute__ ((packed));
270
271 #define QE_FLTR_TAD_SIZE 8
272
273 /* QE extended filtering Termination Action Descriptor (TAD) */
274 struct qe_fltr_tad {
275 u8 serialized[QE_FLTR_TAD_SIZE];
276 } __attribute__ ((packed));
277
278 /* Communication Direction */
279 enum comm_dir {
280 COMM_DIR_NONE = 0,
281 COMM_DIR_RX = 1,
282 COMM_DIR_TX = 2,
283 COMM_DIR_RX_AND_TX = 3
284 };
285
286 /* QE CMXUCR Registers.
287 * There are two UCCs represented in each of the four CMXUCR registers.
288 * These values are for the UCC in the LSBs
289 */
290 #define QE_CMXUCR_MII_ENET_MNG 0x00007000
291 #define QE_CMXUCR_MII_ENET_MNG_SHIFT 12
292 #define QE_CMXUCR_GRANT 0x00008000
293 #define QE_CMXUCR_TSA 0x00004000
294 #define QE_CMXUCR_BKPT 0x00000100
295 #define QE_CMXUCR_TX_CLK_SRC_MASK 0x0000000F
296
297 /* QE CMXGCR Registers.
298 */
299 #define QE_CMXGCR_MII_ENET_MNG 0x00007000
300 #define QE_CMXGCR_MII_ENET_MNG_SHIFT 12
301 #define QE_CMXGCR_USBCS 0x0000000f
302 #define QE_CMXGCR_USBCS_CLK3 0x1
303 #define QE_CMXGCR_USBCS_CLK5 0x2
304 #define QE_CMXGCR_USBCS_CLK7 0x3
305 #define QE_CMXGCR_USBCS_CLK9 0x4
306 #define QE_CMXGCR_USBCS_CLK13 0x5
307 #define QE_CMXGCR_USBCS_CLK17 0x6
308 #define QE_CMXGCR_USBCS_CLK19 0x7
309 #define QE_CMXGCR_USBCS_CLK21 0x8
310 #define QE_CMXGCR_USBCS_BRG9 0x9
311 #define QE_CMXGCR_USBCS_BRG10 0xa
312
313 /* QE CECR Commands.
314 */
315 #define QE_CR_FLG 0x00010000
316 #define QE_RESET 0x80000000
317 #define QE_INIT_TX_RX 0x00000000
318 #define QE_INIT_RX 0x00000001
319 #define QE_INIT_TX 0x00000002
320 #define QE_ENTER_HUNT_MODE 0x00000003
321 #define QE_STOP_TX 0x00000004
322 #define QE_GRACEFUL_STOP_TX 0x00000005
323 #define QE_RESTART_TX 0x00000006
324 #define QE_CLOSE_RX_BD 0x00000007
325 #define QE_SWITCH_COMMAND 0x00000007
326 #define QE_SET_GROUP_ADDRESS 0x00000008
327 #define QE_START_IDMA 0x00000009
328 #define QE_MCC_STOP_RX 0x00000009
329 #define QE_ATM_TRANSMIT 0x0000000a
330 #define QE_HPAC_CLEAR_ALL 0x0000000b
331 #define QE_GRACEFUL_STOP_RX 0x0000001a
332 #define QE_RESTART_RX 0x0000001b
333 #define QE_HPAC_SET_PRIORITY 0x0000010b
334 #define QE_HPAC_STOP_TX 0x0000020b
335 #define QE_HPAC_STOP_RX 0x0000030b
336 #define QE_HPAC_GRACEFUL_STOP_TX 0x0000040b
337 #define QE_HPAC_GRACEFUL_STOP_RX 0x0000050b
338 #define QE_HPAC_START_TX 0x0000060b
339 #define QE_HPAC_START_RX 0x0000070b
340 #define QE_USB_STOP_TX 0x0000000a
341 #define QE_USB_RESTART_TX 0x0000000c
342 #define QE_QMC_STOP_TX 0x0000000c
343 #define QE_QMC_STOP_RX 0x0000000d
344 #define QE_SS7_SU_FIL_RESET 0x0000000e
345 /* jonathbr added from here down for 83xx */
346 #define QE_RESET_BCS 0x0000000a
347 #define QE_MCC_INIT_TX_RX_16 0x00000003
348 #define QE_MCC_STOP_TX 0x00000004
349 #define QE_MCC_INIT_TX_1 0x00000005
350 #define QE_MCC_INIT_RX_1 0x00000006
351 #define QE_MCC_RESET 0x00000007
352 #define QE_SET_TIMER 0x00000008
353 #define QE_RANDOM_NUMBER 0x0000000c
354 #define QE_ATM_MULTI_THREAD_INIT 0x00000011
355 #define QE_ASSIGN_PAGE 0x00000012
356 #define QE_ADD_REMOVE_HASH_ENTRY 0x00000013
357 #define QE_START_FLOW_CONTROL 0x00000014
358 #define QE_STOP_FLOW_CONTROL 0x00000015
359 #define QE_ASSIGN_PAGE_TO_DEVICE 0x00000016
360
361 #define QE_ASSIGN_RISC 0x00000010
362 #define QE_CR_MCN_NORMAL_SHIFT 6
363 #define QE_CR_MCN_USB_SHIFT 4
364 #define QE_CR_MCN_RISC_ASSIGN_SHIFT 8
365 #define QE_CR_SNUM_SHIFT 17
366
367 /* QE CECR Sub Block - sub block of QE command.
368 */
369 #define QE_CR_SUBBLOCK_INVALID 0x00000000
370 #define QE_CR_SUBBLOCK_USB 0x03200000
371 #define QE_CR_SUBBLOCK_UCCFAST1 0x02000000
372 #define QE_CR_SUBBLOCK_UCCFAST2 0x02200000
373 #define QE_CR_SUBBLOCK_UCCFAST3 0x02400000
374 #define QE_CR_SUBBLOCK_UCCFAST4 0x02600000
375 #define QE_CR_SUBBLOCK_UCCFAST5 0x02800000
376 #define QE_CR_SUBBLOCK_UCCFAST6 0x02a00000
377 #define QE_CR_SUBBLOCK_UCCFAST7 0x02c00000
378 #define QE_CR_SUBBLOCK_UCCFAST8 0x02e00000
379 #define QE_CR_SUBBLOCK_UCCSLOW1 0x00000000
380 #define QE_CR_SUBBLOCK_UCCSLOW2 0x00200000
381 #define QE_CR_SUBBLOCK_UCCSLOW3 0x00400000
382 #define QE_CR_SUBBLOCK_UCCSLOW4 0x00600000
383 #define QE_CR_SUBBLOCK_UCCSLOW5 0x00800000
384 #define QE_CR_SUBBLOCK_UCCSLOW6 0x00a00000
385 #define QE_CR_SUBBLOCK_UCCSLOW7 0x00c00000
386 #define QE_CR_SUBBLOCK_UCCSLOW8 0x00e00000
387 #define QE_CR_SUBBLOCK_MCC1 0x03800000
388 #define QE_CR_SUBBLOCK_MCC2 0x03a00000
389 #define QE_CR_SUBBLOCK_MCC3 0x03000000
390 #define QE_CR_SUBBLOCK_IDMA1 0x02800000
391 #define QE_CR_SUBBLOCK_IDMA2 0x02a00000
392 #define QE_CR_SUBBLOCK_IDMA3 0x02c00000
393 #define QE_CR_SUBBLOCK_IDMA4 0x02e00000
394 #define QE_CR_SUBBLOCK_HPAC 0x01e00000
395 #define QE_CR_SUBBLOCK_SPI1 0x01400000
396 #define QE_CR_SUBBLOCK_SPI2 0x01600000
397 #define QE_CR_SUBBLOCK_RAND 0x01c00000
398 #define QE_CR_SUBBLOCK_TIMER 0x01e00000
399 #define QE_CR_SUBBLOCK_GENERAL 0x03c00000
400
401 /* QE CECR Protocol - For non-MCC, specifies mode for QE CECR command */
402 #define QE_CR_PROTOCOL_UNSPECIFIED 0x00 /* For all other protocols */
403 #define QE_CR_PROTOCOL_HDLC_TRANSPARENT 0x00
404 #define QE_CR_PROTOCOL_QMC 0x02
405 #define QE_CR_PROTOCOL_UART 0x04
406 #define QE_CR_PROTOCOL_ATM_POS 0x0A
407 #define QE_CR_PROTOCOL_ETHERNET 0x0C
408 #define QE_CR_PROTOCOL_L2_SWITCH 0x0D
409
410 /* BRG configuration register */
411 #define QE_BRGC_ENABLE 0x00010000
412 #define QE_BRGC_DIVISOR_SHIFT 1
413 #define QE_BRGC_DIVISOR_MAX 0xFFF
414 #define QE_BRGC_DIV16 1
415
416 /* QE Timers registers */
417 #define QE_GTCFR1_PCAS 0x80
418 #define QE_GTCFR1_STP2 0x20
419 #define QE_GTCFR1_RST2 0x10
420 #define QE_GTCFR1_GM2 0x08
421 #define QE_GTCFR1_GM1 0x04
422 #define QE_GTCFR1_STP1 0x02
423 #define QE_GTCFR1_RST1 0x01
424
425 /* SDMA registers */
426 #define QE_SDSR_BER1 0x02000000
427 #define QE_SDSR_BER2 0x01000000
428
429 #define QE_SDMR_GLB_1_MSK 0x80000000
430 #define QE_SDMR_ADR_SEL 0x20000000
431 #define QE_SDMR_BER1_MSK 0x02000000
432 #define QE_SDMR_BER2_MSK 0x01000000
433 #define QE_SDMR_EB1_MSK 0x00800000
434 #define QE_SDMR_ER1_MSK 0x00080000
435 #define QE_SDMR_ER2_MSK 0x00040000
436 #define QE_SDMR_CEN_MASK 0x0000E000
437 #define QE_SDMR_SBER_1 0x00000200
438 #define QE_SDMR_SBER_2 0x00000200
439 #define QE_SDMR_EB1_PR_MASK 0x000000C0
440 #define QE_SDMR_ER1_PR 0x00000008
441
442 #define QE_SDMR_CEN_SHIFT 13
443 #define QE_SDMR_EB1_PR_SHIFT 6
444
445 #define QE_SDTM_MSNUM_SHIFT 24
446
447 #define QE_SDEBCR_BA_MASK 0x01FFFFFF
448
449 /* Communication Processor */
450 #define QE_CP_CERCR_MEE 0x8000 /* Multi-user RAM ECC enable */
451 #define QE_CP_CERCR_IEE 0x4000 /* Instruction RAM ECC enable */
452 #define QE_CP_CERCR_CIR 0x0800 /* Common instruction RAM */
453
454 /* I-RAM */
455 #define QE_IRAM_IADD_AIE 0x80000000 /* Auto Increment Enable */
456 #define QE_IRAM_IADD_BADDR 0x00080000 /* Base Address */
457
458 /* UPC */
459 #define UPGCR_PROTOCOL 0x80000000 /* protocol ul2 or pl2 */
460 #define UPGCR_TMS 0x40000000 /* Transmit master/slave mode */
461 #define UPGCR_RMS 0x20000000 /* Receive master/slave mode */
462 #define UPGCR_ADDR 0x10000000 /* Master MPHY Addr multiplexing */
463 #define UPGCR_DIAG 0x01000000 /* Diagnostic mode */
464
465 /* UCC GUEMR register */
466 #define UCC_GUEMR_MODE_MASK_RX 0x02
467 #define UCC_GUEMR_MODE_FAST_RX 0x02
468 #define UCC_GUEMR_MODE_SLOW_RX 0x00
469 #define UCC_GUEMR_MODE_MASK_TX 0x01
470 #define UCC_GUEMR_MODE_FAST_TX 0x01
471 #define UCC_GUEMR_MODE_SLOW_TX 0x00
472 #define UCC_GUEMR_MODE_MASK (UCC_GUEMR_MODE_MASK_RX | UCC_GUEMR_MODE_MASK_TX)
473 #define UCC_GUEMR_SET_RESERVED3 0x10 /* Bit 3 in the guemr is reserved but
474 must be set 1 */
475
476 /* structure representing UCC SLOW parameter RAM */
477 struct ucc_slow_pram {
478 __be16 rbase; /* RX BD base address */
479 __be16 tbase; /* TX BD base address */
480 u8 rbmr; /* RX bus mode register (same as CPM's RFCR) */
481 u8 tbmr; /* TX bus mode register (same as CPM's TFCR) */
482 __be16 mrblr; /* Rx buffer length */
483 __be32 rstate; /* Rx internal state */
484 __be32 rptr; /* Rx internal data pointer */
485 __be16 rbptr; /* rb BD Pointer */
486 __be16 rcount; /* Rx internal byte count */
487 __be32 rtemp; /* Rx temp */
488 __be32 tstate; /* Tx internal state */
489 __be32 tptr; /* Tx internal data pointer */
490 __be16 tbptr; /* Tx BD pointer */
491 __be16 tcount; /* Tx byte count */
492 __be32 ttemp; /* Tx temp */
493 __be32 rcrc; /* temp receive CRC */
494 __be32 tcrc; /* temp transmit CRC */
495 } __attribute__ ((packed));
496
497 /* General UCC SLOW Mode Register (GUMRH & GUMRL) */
498 #define UCC_SLOW_GUMR_H_SAM_QMC 0x00000000
499 #define UCC_SLOW_GUMR_H_SAM_SATM 0x00008000
500 #define UCC_SLOW_GUMR_H_REVD 0x00002000
501 #define UCC_SLOW_GUMR_H_TRX 0x00001000
502 #define UCC_SLOW_GUMR_H_TTX 0x00000800
503 #define UCC_SLOW_GUMR_H_CDP 0x00000400
504 #define UCC_SLOW_GUMR_H_CTSP 0x00000200
505 #define UCC_SLOW_GUMR_H_CDS 0x00000100
506 #define UCC_SLOW_GUMR_H_CTSS 0x00000080
507 #define UCC_SLOW_GUMR_H_TFL 0x00000040
508 #define UCC_SLOW_GUMR_H_RFW 0x00000020
509 #define UCC_SLOW_GUMR_H_TXSY 0x00000010
510 #define UCC_SLOW_GUMR_H_4SYNC 0x00000004
511 #define UCC_SLOW_GUMR_H_8SYNC 0x00000008
512 #define UCC_SLOW_GUMR_H_16SYNC 0x0000000c
513 #define UCC_SLOW_GUMR_H_RTSM 0x00000002
514 #define UCC_SLOW_GUMR_H_RSYN 0x00000001
515
516 #define UCC_SLOW_GUMR_L_TCI 0x10000000
517 #define UCC_SLOW_GUMR_L_RINV 0x02000000
518 #define UCC_SLOW_GUMR_L_TINV 0x01000000
519 #define UCC_SLOW_GUMR_L_TEND 0x00040000
520 #define UCC_SLOW_GUMR_L_TDCR_MASK 0x00030000
521 #define UCC_SLOW_GUMR_L_TDCR_32 0x00030000
522 #define UCC_SLOW_GUMR_L_TDCR_16 0x00020000
523 #define UCC_SLOW_GUMR_L_TDCR_8 0x00010000
524 #define UCC_SLOW_GUMR_L_TDCR_1 0x00000000
525 #define UCC_SLOW_GUMR_L_RDCR_MASK 0x0000c000
526 #define UCC_SLOW_GUMR_L_RDCR_32 0x0000c000
527 #define UCC_SLOW_GUMR_L_RDCR_16 0x00008000
528 #define UCC_SLOW_GUMR_L_RDCR_8 0x00004000
529 #define UCC_SLOW_GUMR_L_RDCR_1 0x00000000
530 #define UCC_SLOW_GUMR_L_RENC_NRZI 0x00000800
531 #define UCC_SLOW_GUMR_L_RENC_NRZ 0x00000000
532 #define UCC_SLOW_GUMR_L_TENC_NRZI 0x00000100
533 #define UCC_SLOW_GUMR_L_TENC_NRZ 0x00000000
534 #define UCC_SLOW_GUMR_L_DIAG_MASK 0x000000c0
535 #define UCC_SLOW_GUMR_L_DIAG_LE 0x000000c0
536 #define UCC_SLOW_GUMR_L_DIAG_ECHO 0x00000080
537 #define UCC_SLOW_GUMR_L_DIAG_LOOP 0x00000040
538 #define UCC_SLOW_GUMR_L_DIAG_NORM 0x00000000
539 #define UCC_SLOW_GUMR_L_ENR 0x00000020
540 #define UCC_SLOW_GUMR_L_ENT 0x00000010
541 #define UCC_SLOW_GUMR_L_MODE_MASK 0x0000000F
542 #define UCC_SLOW_GUMR_L_MODE_BISYNC 0x00000008
543 #define UCC_SLOW_GUMR_L_MODE_AHDLC 0x00000006
544 #define UCC_SLOW_GUMR_L_MODE_UART 0x00000004
545 #define UCC_SLOW_GUMR_L_MODE_QMC 0x00000002
546
547 /* General UCC FAST Mode Register */
548 #define UCC_FAST_GUMR_TCI 0x20000000
549 #define UCC_FAST_GUMR_TRX 0x10000000
550 #define UCC_FAST_GUMR_TTX 0x08000000
551 #define UCC_FAST_GUMR_CDP 0x04000000
552 #define UCC_FAST_GUMR_CTSP 0x02000000
553 #define UCC_FAST_GUMR_CDS 0x01000000
554 #define UCC_FAST_GUMR_CTSS 0x00800000
555 #define UCC_FAST_GUMR_TXSY 0x00020000
556 #define UCC_FAST_GUMR_RSYN 0x00010000
557 #define UCC_FAST_GUMR_RTSM 0x00002000
558 #define UCC_FAST_GUMR_REVD 0x00000400
559 #define UCC_FAST_GUMR_ENR 0x00000020
560 #define UCC_FAST_GUMR_ENT 0x00000010
561
562 /* UART Slow UCC Event Register (UCCE) */
563 #define UCC_UART_UCCE_AB 0x0200
564 #define UCC_UART_UCCE_IDLE 0x0100
565 #define UCC_UART_UCCE_GRA 0x0080
566 #define UCC_UART_UCCE_BRKE 0x0040
567 #define UCC_UART_UCCE_BRKS 0x0020
568 #define UCC_UART_UCCE_CCR 0x0008
569 #define UCC_UART_UCCE_BSY 0x0004
570 #define UCC_UART_UCCE_TX 0x0002
571 #define UCC_UART_UCCE_RX 0x0001
572
573 /* HDLC Slow UCC Event Register (UCCE) */
574 #define UCC_HDLC_UCCE_GLR 0x1000
575 #define UCC_HDLC_UCCE_GLT 0x0800
576 #define UCC_HDLC_UCCE_IDLE 0x0100
577 #define UCC_HDLC_UCCE_BRKE 0x0040
578 #define UCC_HDLC_UCCE_BRKS 0x0020
579 #define UCC_HDLC_UCCE_TXE 0x0010
580 #define UCC_HDLC_UCCE_RXF 0x0008
581 #define UCC_HDLC_UCCE_BSY 0x0004
582 #define UCC_HDLC_UCCE_TXB 0x0002
583 #define UCC_HDLC_UCCE_RXB 0x0001
584
585 /* BISYNC Slow UCC Event Register (UCCE) */
586 #define UCC_BISYNC_UCCE_GRA 0x0080
587 #define UCC_BISYNC_UCCE_TXE 0x0010
588 #define UCC_BISYNC_UCCE_RCH 0x0008
589 #define UCC_BISYNC_UCCE_BSY 0x0004
590 #define UCC_BISYNC_UCCE_TXB 0x0002
591 #define UCC_BISYNC_UCCE_RXB 0x0001
592
593 /* Gigabit Ethernet Fast UCC Event Register (UCCE) */
594 #define UCC_GETH_UCCE_MPD 0x80000000
595 #define UCC_GETH_UCCE_SCAR 0x40000000
596 #define UCC_GETH_UCCE_GRA 0x20000000
597 #define UCC_GETH_UCCE_CBPR 0x10000000
598 #define UCC_GETH_UCCE_BSY 0x08000000
599 #define UCC_GETH_UCCE_RXC 0x04000000
600 #define UCC_GETH_UCCE_TXC 0x02000000
601 #define UCC_GETH_UCCE_TXE 0x01000000
602 #define UCC_GETH_UCCE_TXB7 0x00800000
603 #define UCC_GETH_UCCE_TXB6 0x00400000
604 #define UCC_GETH_UCCE_TXB5 0x00200000
605 #define UCC_GETH_UCCE_TXB4 0x00100000
606 #define UCC_GETH_UCCE_TXB3 0x00080000
607 #define UCC_GETH_UCCE_TXB2 0x00040000
608 #define UCC_GETH_UCCE_TXB1 0x00020000
609 #define UCC_GETH_UCCE_TXB0 0x00010000
610 #define UCC_GETH_UCCE_RXB7 0x00008000
611 #define UCC_GETH_UCCE_RXB6 0x00004000
612 #define UCC_GETH_UCCE_RXB5 0x00002000
613 #define UCC_GETH_UCCE_RXB4 0x00001000
614 #define UCC_GETH_UCCE_RXB3 0x00000800
615 #define UCC_GETH_UCCE_RXB2 0x00000400
616 #define UCC_GETH_UCCE_RXB1 0x00000200
617 #define UCC_GETH_UCCE_RXB0 0x00000100
618 #define UCC_GETH_UCCE_RXF7 0x00000080
619 #define UCC_GETH_UCCE_RXF6 0x00000040
620 #define UCC_GETH_UCCE_RXF5 0x00000020
621 #define UCC_GETH_UCCE_RXF4 0x00000010
622 #define UCC_GETH_UCCE_RXF3 0x00000008
623 #define UCC_GETH_UCCE_RXF2 0x00000004
624 #define UCC_GETH_UCCE_RXF1 0x00000002
625 #define UCC_GETH_UCCE_RXF0 0x00000001
626
627 /* UCC Protocol Specific Mode Register (UPSMR), when used for UART */
628 #define UCC_UART_UPSMR_FLC 0x8000
629 #define UCC_UART_UPSMR_SL 0x4000
630 #define UCC_UART_UPSMR_CL_MASK 0x3000
631 #define UCC_UART_UPSMR_CL_8 0x3000
632 #define UCC_UART_UPSMR_CL_7 0x2000
633 #define UCC_UART_UPSMR_CL_6 0x1000
634 #define UCC_UART_UPSMR_CL_5 0x0000
635 #define UCC_UART_UPSMR_UM_MASK 0x0c00
636 #define UCC_UART_UPSMR_UM_NORMAL 0x0000
637 #define UCC_UART_UPSMR_UM_MAN_MULTI 0x0400
638 #define UCC_UART_UPSMR_UM_AUTO_MULTI 0x0c00
639 #define UCC_UART_UPSMR_FRZ 0x0200
640 #define UCC_UART_UPSMR_RZS 0x0100
641 #define UCC_UART_UPSMR_SYN 0x0080
642 #define UCC_UART_UPSMR_DRT 0x0040
643 #define UCC_UART_UPSMR_PEN 0x0010
644 #define UCC_UART_UPSMR_RPM_MASK 0x000c
645 #define UCC_UART_UPSMR_RPM_ODD 0x0000
646 #define UCC_UART_UPSMR_RPM_LOW 0x0004
647 #define UCC_UART_UPSMR_RPM_EVEN 0x0008
648 #define UCC_UART_UPSMR_RPM_HIGH 0x000C
649 #define UCC_UART_UPSMR_TPM_MASK 0x0003
650 #define UCC_UART_UPSMR_TPM_ODD 0x0000
651 #define UCC_UART_UPSMR_TPM_LOW 0x0001
652 #define UCC_UART_UPSMR_TPM_EVEN 0x0002
653 #define UCC_UART_UPSMR_TPM_HIGH 0x0003
654
655 /* UCC Protocol Specific Mode Register (UPSMR), when used for Ethernet */
656 #define UCC_GETH_UPSMR_FTFE 0x80000000
657 #define UCC_GETH_UPSMR_PTPE 0x40000000
658 #define UCC_GETH_UPSMR_ECM 0x04000000
659 #define UCC_GETH_UPSMR_HSE 0x02000000
660 #define UCC_GETH_UPSMR_PRO 0x00400000
661 #define UCC_GETH_UPSMR_CAP 0x00200000
662 #define UCC_GETH_UPSMR_RSH 0x00100000
663 #define UCC_GETH_UPSMR_RPM 0x00080000
664 #define UCC_GETH_UPSMR_R10M 0x00040000
665 #define UCC_GETH_UPSMR_RLPB 0x00020000
666 #define UCC_GETH_UPSMR_TBIM 0x00010000
667 #define UCC_GETH_UPSMR_RES1 0x00002000
668 #define UCC_GETH_UPSMR_RMM 0x00001000
669 #define UCC_GETH_UPSMR_CAM 0x00000400
670 #define UCC_GETH_UPSMR_BRO 0x00000200
671
672 /* UCC Transmit On Demand Register (UTODR) */
673 #define UCC_SLOW_TOD 0x8000
674 #define UCC_FAST_TOD 0x8000
675
676 /* UCC Bus Mode Register masks */
677 /* Not to be confused with the Bundle Mode Register */
678 #define UCC_BMR_GBL 0x20
679 #define UCC_BMR_BO_BE 0x10
680 #define UCC_BMR_CETM 0x04
681 #define UCC_BMR_DTB 0x02
682 #define UCC_BMR_BDB 0x01
683
684 /* Function code masks */
685 #define FC_GBL 0x20
686 #define FC_DTB_LCL 0x02
687 #define UCC_FAST_FUNCTION_CODE_GBL 0x20
688 #define UCC_FAST_FUNCTION_CODE_DTB_LCL 0x02
689 #define UCC_FAST_FUNCTION_CODE_BDB_LCL 0x01
690
691 #endif /* __KERNEL__ */
692 #endif /* _ASM_POWERPC_QE_H */
693