cvmx-mpi-defs.h revision 215976
1107572Sgrehan/***********************license start***************
2107572Sgrehan * Copyright (c) 2003-2010  Cavium Networks (support@cavium.com). All rights
3107572Sgrehan * reserved.
4107572Sgrehan *
5107572Sgrehan *
6107572Sgrehan * Redistribution and use in source and binary forms, with or without
7107572Sgrehan * modification, are permitted provided that the following conditions are
8107572Sgrehan * met:
9107572Sgrehan *
10107572Sgrehan *   * Redistributions of source code must retain the above copyright
11107572Sgrehan *     notice, this list of conditions and the following disclaimer.
12107572Sgrehan *
13107572Sgrehan *   * Redistributions in binary form must reproduce the above
14107572Sgrehan *     copyright notice, this list of conditions and the following
15107572Sgrehan *     disclaimer in the documentation and/or other materials provided
16107572Sgrehan *     with the distribution.
17107572Sgrehan
18107572Sgrehan *   * Neither the name of Cavium Networks nor the names of
19107572Sgrehan *     its contributors may be used to endorse or promote products
20107572Sgrehan *     derived from this software without specific prior written
21107572Sgrehan *     permission.
22107572Sgrehan
23107572Sgrehan * This Software, including technical data, may be subject to U.S. export  control
24107572Sgrehan * laws, including the U.S. Export Administration Act and its  associated
25107572Sgrehan * regulations, and may be subject to export or import  regulations in other
26107572Sgrehan * countries.
27107572Sgrehan
28107572Sgrehan * TO THE MAXIMUM EXTENT PERMITTED BY LAW, THE SOFTWARE IS PROVIDED "AS IS"
29107572Sgrehan * AND WITH ALL FAULTS AND CAVIUM  NETWORKS MAKES NO PROMISES, REPRESENTATIONS OR
30107572Sgrehan * WARRANTIES, EITHER EXPRESS, IMPLIED, STATUTORY, OR OTHERWISE, WITH RESPECT TO
31107572Sgrehan * THE SOFTWARE, INCLUDING ITS CONDITION, ITS CONFORMITY TO ANY REPRESENTATION OR
32115396Skan * DESCRIPTION, OR THE EXISTENCE OF ANY LATENT OR PATENT DEFECTS, AND CAVIUM
33107572Sgrehan * SPECIFICALLY DISCLAIMS ALL IMPLIED (IF ANY) WARRANTIES OF TITLE,
34107572Sgrehan * MERCHANTABILITY, NONINFRINGEMENT, FITNESS FOR A PARTICULAR PURPOSE, LACK OF
35107572Sgrehan * VIRUSES, ACCURACY OR COMPLETENESS, QUIET ENJOYMENT, QUIET POSSESSION OR
36107572Sgrehan * CORRESPONDENCE TO DESCRIPTION. THE ENTIRE  RISK ARISING OUT OF USE OR
37107572Sgrehan * PERFORMANCE OF THE SOFTWARE LIES WITH YOU.
38107572Sgrehan ***********************license end**************************************/
39107572Sgrehan
40107572Sgrehan
41107572Sgrehan/**
42107572Sgrehan * cvmx-mpi-defs.h
43107572Sgrehan *
44107572Sgrehan * Configuration and status register (CSR) type definitions for
45107572Sgrehan * Octeon mpi.
46107572Sgrehan *
47107572Sgrehan * This file is auto generated. Do not edit.
48107572Sgrehan *
49107572Sgrehan * <hr>$Revision$<hr>
50107572Sgrehan *
51233694Skib */
52233694Skib#ifndef __CVMX_MPI_TYPEDEFS_H__
53233694Skib#define __CVMX_MPI_TYPEDEFS_H__
54107572Sgrehan
55115396Skan#if CVMX_ENABLE_CSR_ADDRESS_CHECKING
56107572Sgrehan#define CVMX_MPI_CFG CVMX_MPI_CFG_FUNC()
57107572Sgrehanstatic inline uint64_t CVMX_MPI_CFG_FUNC(void)
58107572Sgrehan{
59107572Sgrehan	if (!(OCTEON_IS_MODEL(OCTEON_CN30XX) || OCTEON_IS_MODEL(OCTEON_CN31XX) || OCTEON_IS_MODEL(OCTEON_CN50XX)))
60107572Sgrehan		cvmx_warn("CVMX_MPI_CFG not supported on this chip\n");
61107572Sgrehan	return CVMX_ADD_IO_SEG(0x0001070000001000ull);
62107572Sgrehan}
63204211Snwhitehorn#else
64107572Sgrehan#define CVMX_MPI_CFG (CVMX_ADD_IO_SEG(0x0001070000001000ull))
65107572Sgrehan#endif
66107572Sgrehan#if CVMX_ENABLE_CSR_ADDRESS_CHECKING
67137122Sssouhlalstatic inline uint64_t CVMX_MPI_DATX(unsigned long offset)
68137122Sssouhlal{
69137122Sssouhlal	if (!(
70137122Sssouhlal	      (OCTEON_IS_MODEL(OCTEON_CN30XX) && ((offset <= 8))) ||
71137122Sssouhlal	      (OCTEON_IS_MODEL(OCTEON_CN31XX) && ((offset <= 8))) ||
72137122Sssouhlal	      (OCTEON_IS_MODEL(OCTEON_CN50XX) && ((offset <= 8)))))
73137122Sssouhlal		cvmx_warn("CVMX_MPI_DATX(%lu) is invalid on this chip\n", offset);
74137122Sssouhlal	return CVMX_ADD_IO_SEG(0x0001070000001080ull) + ((offset) & 15) * 8;
75133133Sdfr}
76133133Sdfr#else
77133133Sdfr#define CVMX_MPI_DATX(offset) (CVMX_ADD_IO_SEG(0x0001070000001080ull) + ((offset) & 15) * 8)
78133133Sdfr#endif
79133133Sdfr#if CVMX_ENABLE_CSR_ADDRESS_CHECKING
80133133Sdfr#define CVMX_MPI_STS CVMX_MPI_STS_FUNC()
81133133Sdfrstatic inline uint64_t CVMX_MPI_STS_FUNC(void)
82133133Sdfr{
83133133Sdfr	if (!(OCTEON_IS_MODEL(OCTEON_CN30XX) || OCTEON_IS_MODEL(OCTEON_CN31XX) || OCTEON_IS_MODEL(OCTEON_CN50XX)))
84133133Sdfr		cvmx_warn("CVMX_MPI_STS not supported on this chip\n");
85133133Sdfr	return CVMX_ADD_IO_SEG(0x0001070000001008ull);
86133133Sdfr}
87133133Sdfr#else
88133133Sdfr#define CVMX_MPI_STS (CVMX_ADD_IO_SEG(0x0001070000001008ull))
89133133Sdfr#endif
90217851Skib#if CVMX_ENABLE_CSR_ADDRESS_CHECKING
91217851Skib#define CVMX_MPI_TX CVMX_MPI_TX_FUNC()
92217851Skibstatic inline uint64_t CVMX_MPI_TX_FUNC(void)
93107572Sgrehan{
94	if (!(OCTEON_IS_MODEL(OCTEON_CN30XX) || OCTEON_IS_MODEL(OCTEON_CN31XX) || OCTEON_IS_MODEL(OCTEON_CN50XX)))
95		cvmx_warn("CVMX_MPI_TX not supported on this chip\n");
96	return CVMX_ADD_IO_SEG(0x0001070000001010ull);
97}
98#else
99#define CVMX_MPI_TX (CVMX_ADD_IO_SEG(0x0001070000001010ull))
100#endif
101
102/**
103 * cvmx_mpi_cfg
104 */
105union cvmx_mpi_cfg
106{
107	uint64_t u64;
108	struct cvmx_mpi_cfg_s
109	{
110#if __BYTE_ORDER == __BIG_ENDIAN
111	uint64_t reserved_29_63               : 35;
112	uint64_t clkdiv                       : 13; /**< Fsclk = Feclk / (2 * CLKDIV)
113                                                         CLKDIV = Feclk / (2 * Fsclk) */
114	uint64_t reserved_12_15               : 4;
115	uint64_t cslate                       : 1;  /**< If 0, MPI_CS asserts 1/2 SCLK before transaction
116                                                            1, MPI_CS assert coincident with transaction
117                                                         NOTE: only used if CSENA == 1 */
118	uint64_t tritx                        : 1;  /**< If 0, MPI_TX pin is driven when slave is not
119                                                               expected to be driving
120                                                            1, MPI_TX pin is tristated when not transmitting
121                                                         NOTE: only used when WIREOR==1 */
122	uint64_t idleclks                     : 2;  /**< Guarantee IDLECLKS idle sclk cycles between
123                                                         commands. */
124	uint64_t cshi                         : 1;  /**< If 0, CS is low asserted
125                                                         1, CS is high asserted */
126	uint64_t csena                        : 1;  /**< If 0, the MPI_CS is a GPIO, not used by MPI_TX
127                                                         1, CS is driven per MPI_TX intruction */
128	uint64_t int_ena                      : 1;  /**< If 0, polling is required
129                                                         1, MPI engine interrupts X end of transaction */
130	uint64_t lsbfirst                     : 1;  /**< If 0, shift MSB first
131                                                         1, shift LSB first */
132	uint64_t wireor                       : 1;  /**< If 0, MPI_TX and MPI_RX are separate wires (SPI)
133                                                               MPI_TX pin is always driven
134                                                            1, MPI_TX/RX is all from MPI_TX pin (MPI)
135                                                               MPI_TX pin is tristated when not transmitting
136                                                         NOTE: if WIREOR==1, MPI_RX pin is not used by the
137                                                               MPI engine */
138	uint64_t clk_cont                     : 1;  /**< If 0, clock idles to value given by IDLELO after
139                                                            completion of MPI transaction
140                                                         1, clock never idles, requires CS deassertion
141                                                            assertion between commands */
142	uint64_t idlelo                       : 1;  /**< If 0, MPI_CLK idles high, 1st transition is hi->lo
143                                                         1, MPI_CLK idles low, 1st transition is lo->hi */
144	uint64_t enable                       : 1;  /**< If 0, all MPI pins are GPIOs
145                                                         1, MPI_CLK, MPI_CS, and MPI_TX are driven */
146#else
147	uint64_t enable                       : 1;
148	uint64_t idlelo                       : 1;
149	uint64_t clk_cont                     : 1;
150	uint64_t wireor                       : 1;
151	uint64_t lsbfirst                     : 1;
152	uint64_t int_ena                      : 1;
153	uint64_t csena                        : 1;
154	uint64_t cshi                         : 1;
155	uint64_t idleclks                     : 2;
156	uint64_t tritx                        : 1;
157	uint64_t cslate                       : 1;
158	uint64_t reserved_12_15               : 4;
159	uint64_t clkdiv                       : 13;
160	uint64_t reserved_29_63               : 35;
161#endif
162	} s;
163	struct cvmx_mpi_cfg_s                 cn30xx;
164	struct cvmx_mpi_cfg_cn31xx
165	{
166#if __BYTE_ORDER == __BIG_ENDIAN
167	uint64_t reserved_29_63               : 35;
168	uint64_t clkdiv                       : 13; /**< Fsclk = Feclk / (2 * CLKDIV)
169                                                         CLKDIV = Feclk / (2 * Fsclk) */
170	uint64_t reserved_11_15               : 5;
171	uint64_t tritx                        : 1;  /**< If 0, MPI_TX pin is driven when slave is not
172                                                               expected to be driving
173                                                            1, MPI_TX pin is tristated when not transmitting
174                                                         NOTE: only used when WIREOR==1 */
175	uint64_t idleclks                     : 2;  /**< Guarantee IDLECLKS idle sclk cycles between
176                                                         commands. */
177	uint64_t cshi                         : 1;  /**< If 0, CS is low asserted
178                                                         1, CS is high asserted */
179	uint64_t csena                        : 1;  /**< If 0, the MPI_CS is a GPIO, not used by MPI_TX
180                                                         1, CS is driven per MPI_TX intruction */
181	uint64_t int_ena                      : 1;  /**< If 0, polling is required
182                                                         1, MPI engine interrupts X end of transaction */
183	uint64_t lsbfirst                     : 1;  /**< If 0, shift MSB first
184                                                         1, shift LSB first */
185	uint64_t wireor                       : 1;  /**< If 0, MPI_TX and MPI_RX are separate wires (SPI)
186                                                               MPI_TX pin is always driven
187                                                            1, MPI_TX/RX is all from MPI_TX pin (MPI)
188                                                               MPI_TX pin is tristated when not transmitting
189                                                         NOTE: if WIREOR==1, MPI_RX pin is not used by the
190                                                               MPI engine */
191	uint64_t clk_cont                     : 1;  /**< If 0, clock idles to value given by IDLELO after
192                                                            completion of MPI transaction
193                                                         1, clock never idles, requires CS deassertion
194                                                            assertion between commands */
195	uint64_t idlelo                       : 1;  /**< If 0, MPI_CLK idles high, 1st transition is hi->lo
196                                                         1, MPI_CLK idles low, 1st transition is lo->hi */
197	uint64_t enable                       : 1;  /**< If 0, all MPI pins are GPIOs
198                                                         1, MPI_CLK, MPI_CS, and MPI_TX are driven */
199#else
200	uint64_t enable                       : 1;
201	uint64_t idlelo                       : 1;
202	uint64_t clk_cont                     : 1;
203	uint64_t wireor                       : 1;
204	uint64_t lsbfirst                     : 1;
205	uint64_t int_ena                      : 1;
206	uint64_t csena                        : 1;
207	uint64_t cshi                         : 1;
208	uint64_t idleclks                     : 2;
209	uint64_t tritx                        : 1;
210	uint64_t reserved_11_15               : 5;
211	uint64_t clkdiv                       : 13;
212	uint64_t reserved_29_63               : 35;
213#endif
214	} cn31xx;
215	struct cvmx_mpi_cfg_s                 cn50xx;
216};
217typedef union cvmx_mpi_cfg cvmx_mpi_cfg_t;
218
219/**
220 * cvmx_mpi_dat#
221 */
222union cvmx_mpi_datx
223{
224	uint64_t u64;
225	struct cvmx_mpi_datx_s
226	{
227#if __BYTE_ORDER == __BIG_ENDIAN
228	uint64_t reserved_8_63                : 56;
229	uint64_t data                         : 8;  /**< Data to transmit/received */
230#else
231	uint64_t data                         : 8;
232	uint64_t reserved_8_63                : 56;
233#endif
234	} s;
235	struct cvmx_mpi_datx_s                cn30xx;
236	struct cvmx_mpi_datx_s                cn31xx;
237	struct cvmx_mpi_datx_s                cn50xx;
238};
239typedef union cvmx_mpi_datx cvmx_mpi_datx_t;
240
241/**
242 * cvmx_mpi_sts
243 */
244union cvmx_mpi_sts
245{
246	uint64_t u64;
247	struct cvmx_mpi_sts_s
248	{
249#if __BYTE_ORDER == __BIG_ENDIAN
250	uint64_t reserved_13_63               : 51;
251	uint64_t rxnum                        : 5;  /**< Number of bytes written for transaction */
252	uint64_t reserved_1_7                 : 7;
253	uint64_t busy                         : 1;  /**< If 0, no MPI transaction in progress
254                                                         1, MPI engine is processing a transaction */
255#else
256	uint64_t busy                         : 1;
257	uint64_t reserved_1_7                 : 7;
258	uint64_t rxnum                        : 5;
259	uint64_t reserved_13_63               : 51;
260#endif
261	} s;
262	struct cvmx_mpi_sts_s                 cn30xx;
263	struct cvmx_mpi_sts_s                 cn31xx;
264	struct cvmx_mpi_sts_s                 cn50xx;
265};
266typedef union cvmx_mpi_sts cvmx_mpi_sts_t;
267
268/**
269 * cvmx_mpi_tx
270 */
271union cvmx_mpi_tx
272{
273	uint64_t u64;
274	struct cvmx_mpi_tx_s
275	{
276#if __BYTE_ORDER == __BIG_ENDIAN
277	uint64_t reserved_17_63               : 47;
278	uint64_t leavecs                      : 1;  /**< If 0, deassert CS after transaction is done
279                                                         1, leave CS asserted after transactrion is done */
280	uint64_t reserved_13_15               : 3;
281	uint64_t txnum                        : 5;  /**< Number of bytes to transmit */
282	uint64_t reserved_5_7                 : 3;
283	uint64_t totnum                       : 5;  /**< Number of bytes to shift (transmit + receive) */
284#else
285	uint64_t totnum                       : 5;
286	uint64_t reserved_5_7                 : 3;
287	uint64_t txnum                        : 5;
288	uint64_t reserved_13_15               : 3;
289	uint64_t leavecs                      : 1;
290	uint64_t reserved_17_63               : 47;
291#endif
292	} s;
293	struct cvmx_mpi_tx_s                  cn30xx;
294	struct cvmx_mpi_tx_s                  cn31xx;
295	struct cvmx_mpi_tx_s                  cn50xx;
296};
297typedef union cvmx_mpi_tx cvmx_mpi_tx_t;
298
299#endif
300