1 /*******************************************************************************
2 Copyright (C) Marvell International Ltd. and its affiliates
4 This software file (the "File") is owned and distributed by Marvell
5 International Ltd. and/or its affiliates ("Marvell") under the following
6 alternative licensing terms. Once you have made an election to distribute the
7 File under one of the following license alternatives, please (i) delete this
8 introductory statement regarding license alternatives, (ii) delete the two
9 license alternatives that you have not elected to use and (iii) preserve the
10 Marvell copyright notice above.
12 ********************************************************************************
13 Marvell Commercial License Option
15 If you received this File from Marvell and you have entered into a commercial
16 license agreement (a "Commercial License") with Marvell, the File is licensed
17 to you under the terms of the applicable Commercial License.
19 ********************************************************************************
20 Marvell GPL License Option
22 If you received this File from Marvell, you may opt to use, redistribute and/or
23 modify this File in accordance with the terms and conditions of the General
24 Public License Version 2, June 1991 (the "GPL License"), a copy of which is
25 available along with the File in the license.txt file or by writing to the Free
26 Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 or
27 on the worldwide web at http://www.gnu.org/licenses/gpl.txt.
29 THE FILE IS DISTRIBUTED AS-IS, WITHOUT WARRANTY OF ANY KIND, AND THE IMPLIED
30 WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE ARE EXPRESSLY
31 DISCLAIMED. The GPL License provides additional details about this warranty
33 ********************************************************************************
34 Marvell BSD License Option
36 If you received this File from Marvell, you may opt to use, redistribute and/or
37 modify this File under the following licensing terms.
38 Redistribution and use in source and binary forms, with or without modification,
39 are permitted provided that the following conditions are met:
41 * Redistributions of source code must retain the above copyright notice,
42 this list of conditions and the following disclaimer.
44 * Redistributions in binary form must reproduce the above copyright
45 notice, this list of conditions and the following disclaimer in the
46 documentation and/or other materials provided with the distribution.
48 * Neither the name of Marvell nor the names of its contributors may be
49 used to endorse or promote products derived from this software without
50 specific prior written permission.
52 THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
53 ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
54 WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
55 DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR
56 ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
57 (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
58 LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
59 ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
60 (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
61 SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
63 *******************************************************************************/
66 #include "ctrlEnv/sys/mvSysPex.h"
68 #if defined(MV_INCLUDE_PCI)
69 #include "ctrlEnv/sys/mvSysPci.h"
81 /*******************************************************************************
82 * mvPciInit - Initialize PCI interfaces
93 * MV_OK if function success otherwise MV_ERROR or MV_BAD_PARAM
95 *******************************************************************************/
98 MV_STATUS
mvPciIfInit(MV_U32 pciIf
, PCI_IF_MODE pciIfmode
)
100 PCI_IF_TYPE pciIfType
= mvPciIfTypeGet(pciIf
);
102 if (PCI_IF_TYPE_CONVEN_PCIX
== pciIfType
)
104 #if defined(MV_INCLUDE_PCI)
108 if (PCI_IF_MODE_HOST
== pciIfmode
)
110 pciMod
= MV_PCI_MOD_HOST
;
112 else if (PCI_IF_MODE_DEVICE
== pciIfmode
)
114 pciMod
= MV_PCI_MOD_DEVICE
;
118 mvOsPrintf("%s: ERROR!!! Bus %d mode %d neither host nor device!\n",
119 __FUNCTION__
, pciIf
, pciIfmode
);
123 return mvPciInit(pciIf
- MV_PCI_START_IF
, pciMod
);
128 else if (PCI_IF_TYPE_PEX
== pciIfType
)
130 #if defined(MV_INCLUDE_PEX)
134 if (PCI_IF_MODE_HOST
== pciIfmode
)
136 pexType
= MV_PEX_ROOT_COMPLEX
;
138 else if (PCI_IF_MODE_DEVICE
== pciIfmode
)
140 pexType
= MV_PEX_END_POINT
;
144 mvOsPrintf("%s: ERROR!!! Bus %d type %d neither root complex nor" \
145 " end point\n", __FUNCTION__
, pciIf
, pciIfmode
);
148 return mvPexInit(pciIf
- MV_PEX_START_IF
, pexType
);
157 mvOsPrintf("%s: ERROR!!! Invalid pciIf %d\n", __FUNCTION__
, pciIf
);
164 /* PCI configuration space read write */
166 /*******************************************************************************
167 * mvPciConfigRead - Read from configuration space
170 * This function performs a 32 bit read from PCI configuration space.
171 * It supports both type 0 and type 1 of Configuration Transactions
172 * (local and over bridge). In order to read from local bus segment, use
173 * bus number retrieved from mvPciLocalBusNumGet(). Other bus numbers
174 * will result configuration transaction of type 1 (over bridge).
177 * pciIf - PCI interface number.
178 * bus - PCI segment bus number.
179 * dev - PCI device number.
180 * func - Function number.
181 * regOffs - Register offset.
187 * 32bit register data, 0xffffffff on error
189 *******************************************************************************/
190 MV_U32
mvPciIfConfigRead (MV_U32 pciIf
, MV_U32 bus
, MV_U32 dev
, MV_U32 func
,
193 PCI_IF_TYPE pciIfType
= mvPciIfTypeGet(pciIf
);
195 if (PCI_IF_TYPE_CONVEN_PCIX
== pciIfType
)
197 #if defined(MV_INCLUDE_PCI)
198 return mvPciConfigRead(pciIf
- MV_PCI_START_IF
,
207 else if (PCI_IF_TYPE_PEX
== pciIfType
)
209 #if defined(MV_INCLUDE_PEX)
210 return mvPexConfigRead(pciIf
- MV_PEX_START_IF
,
222 mvOsPrintf("%s: ERROR!!! Invalid pciIf %d\n", __FUNCTION__
, pciIf
);
229 /*******************************************************************************
230 * mvPciConfigWrite - Write to configuration space
233 * This function performs a 32 bit write to PCI configuration space.
234 * It supports both type 0 and type 1 of Configuration Transactions
235 * (local and over bridge). In order to write to local bus segment, use
236 * bus number retrieved from mvPciLocalBusNumGet(). Other bus numbers
237 * will result configuration transaction of type 1 (over bridge).
240 * pciIf - PCI interface number.
241 * bus - PCI segment bus number.
242 * dev - PCI device number.
243 * func - Function number.
244 * regOffs - Register offset.
251 * MV_BAD_PARAM for bad parameters ,MV_ERROR on error ! otherwise MV_OK
253 *******************************************************************************/
254 MV_STATUS
mvPciIfConfigWrite(MV_U32 pciIf
, MV_U32 bus
, MV_U32 dev
,
255 MV_U32 func
, MV_U32 regOff
, MV_U32 data
)
257 PCI_IF_TYPE pciIfType
= mvPciIfTypeGet(pciIf
);
259 if (PCI_IF_TYPE_CONVEN_PCIX
== pciIfType
)
261 #if defined(MV_INCLUDE_PCI)
262 return mvPciConfigWrite(pciIf
- MV_PCI_START_IF
,
272 else if (PCI_IF_TYPE_PEX
== pciIfType
)
274 #if defined(MV_INCLUDE_PEX)
275 return mvPexConfigWrite(pciIf
- MV_PEX_START_IF
,
288 mvOsPrintf("%s: ERROR!!! Invalid pciIf %d\n", __FUNCTION__
, pciIf
);
295 /*******************************************************************************
296 * mvPciMasterEnable - Enable/disale PCI interface master transactions.
299 * This function performs read modified write to PCI command status
300 * (offset 0x4) to set/reset bit 2. After this bit is set, the PCI
301 * master is allowed to gain ownership on the bus, otherwise it is
302 * incapable to do so.
305 * pciIf - PCI interface number.
306 * enable - Enable/disable parameter.
312 * MV_BAD_PARAM for bad parameters ,MV_ERROR on error ! otherwise MV_OK
314 *******************************************************************************/
315 MV_STATUS
mvPciIfMasterEnable(MV_U32 pciIf
, MV_BOOL enable
)
318 PCI_IF_TYPE pciIfType
= mvPciIfTypeGet(pciIf
);
320 if (PCI_IF_TYPE_CONVEN_PCIX
== pciIfType
)
322 #if defined(MV_INCLUDE_PCI)
323 return mvPciMasterEnable(pciIf
- MV_PCI_START_IF
,
329 else if (PCI_IF_TYPE_PEX
== pciIfType
)
331 #if defined(MV_INCLUDE_PEX)
332 return mvPexMasterEnable(pciIf
- MV_PEX_START_IF
,
340 mvOsPrintf("%s: ERROR!!! Invalid pciIf %d\n", __FUNCTION__
, pciIf
);
348 /*******************************************************************************
349 * mvPciSlaveEnable - Enable/disale PCI interface slave transactions.
352 * This function performs read modified write to PCI command status
353 * (offset 0x4) to set/reset bit 0 and 1. After those bits are set,
354 * the PCI slave is allowed to respond to PCI IO space access (bit 0)
355 * and PCI memory space access (bit 1).
358 * pciIf - PCI interface number.
359 * dev - PCI device number.
360 * enable - Enable/disable parameter.
366 * MV_BAD_PARAM for bad parameters ,MV_ERROR on error ! otherwise MV_OK
368 *******************************************************************************/
369 MV_STATUS
mvPciIfSlaveEnable(MV_U32 pciIf
,MV_U32 bus
, MV_U32 dev
, MV_BOOL enable
)
372 PCI_IF_TYPE pciIfType
= mvPciIfTypeGet(pciIf
);
374 if (PCI_IF_TYPE_CONVEN_PCIX
== pciIfType
)
376 #if defined(MV_INCLUDE_PCI)
377 return mvPciSlaveEnable(pciIf
- MV_PCI_START_IF
,bus
,dev
,
383 else if (PCI_IF_TYPE_PEX
== pciIfType
)
385 #if defined(MV_INCLUDE_PEX)
386 return mvPexSlaveEnable(pciIf
- MV_PEX_START_IF
,bus
,dev
,
394 mvOsPrintf("%s: ERROR!!! Invalid pciIf %d\n", __FUNCTION__
, pciIf
);
401 /*******************************************************************************
402 * mvPciLocalBusNumSet - Set PCI interface local bus number.
405 * This function sets given PCI interface its local bus number.
406 * Note: In case the PCI interface is PCI-X, the information is read-only.
409 * pciIf - PCI interface number.
410 * busNum - Bus number.
416 * MV_NOT_ALLOWED in case PCI interface is PCI-X.
417 * MV_BAD_PARAM on bad parameters ,
420 *******************************************************************************/
421 MV_STATUS
mvPciIfLocalBusNumSet(MV_U32 pciIf
, MV_U32 busNum
)
423 PCI_IF_TYPE pciIfType
= mvPciIfTypeGet(pciIf
);
425 if (PCI_IF_TYPE_CONVEN_PCIX
== pciIfType
)
427 #if defined(MV_INCLUDE_PCI)
428 return mvPciLocalBusNumSet(pciIf
- MV_PCI_START_IF
,
434 else if (PCI_IF_TYPE_PEX
== pciIfType
)
436 #if defined(MV_INCLUDE_PEX)
437 return mvPexLocalBusNumSet(pciIf
- MV_PEX_START_IF
,
445 mvOsPrintf("%s: ERROR!!! Invalid pciIf %d\n", __FUNCTION__
, pciIf
);
452 /*******************************************************************************
453 * mvPciLocalBusNumGet - Get PCI interface local bus number.
456 * This function gets the local bus number of a given PCI interface.
459 * pciIf - PCI interface number.
465 * Local bus number.0xffffffff on Error
467 *******************************************************************************/
468 MV_U32
mvPciIfLocalBusNumGet(MV_U32 pciIf
)
470 PCI_IF_TYPE pciIfType
= mvPciIfTypeGet(pciIf
);
472 if (PCI_IF_TYPE_CONVEN_PCIX
== pciIfType
)
474 #if defined(MV_INCLUDE_PCI)
475 return mvPciLocalBusNumGet(pciIf
- MV_PCI_START_IF
);
480 else if (PCI_IF_TYPE_PEX
== pciIfType
)
482 #if defined(MV_INCLUDE_PEX)
483 return mvPexLocalBusNumGet(pciIf
- MV_PEX_START_IF
);
491 mvOsPrintf("%s: ERROR!!! Invalid pciIf %d\n",__FUNCTION__
, pciIf
);
499 /*******************************************************************************
500 * mvPciLocalDevNumSet - Set PCI interface local device number.
503 * This function sets given PCI interface its local device number.
504 * Note: In case the PCI interface is PCI-X, the information is read-only.
507 * pciIf - PCI interface number.
508 * devNum - Device number.
514 * MV_NOT_ALLOWED in case PCI interface is PCI-X. MV_BAD_PARAM on bad parameters ,
517 *******************************************************************************/
518 MV_STATUS
mvPciIfLocalDevNumSet(MV_U32 pciIf
, MV_U32 devNum
)
520 PCI_IF_TYPE pciIfType
= mvPciIfTypeGet(pciIf
);
522 if (PCI_IF_TYPE_CONVEN_PCIX
== pciIfType
)
524 #if defined(MV_INCLUDE_PCI)
525 return mvPciLocalDevNumSet(pciIf
- MV_PCI_START_IF
,
531 else if (PCI_IF_TYPE_PEX
== pciIfType
)
533 #if defined(MV_INCLUDE_PEX)
534 return mvPexLocalDevNumSet(pciIf
- MV_PEX_START_IF
,
542 mvOsPrintf("%s: ERROR!!! Invalid pciIf %d\n", __FUNCTION__
, pciIf
);
549 /*******************************************************************************
550 * mvPciLocalDevNumGet - Get PCI interface local device number.
553 * This function gets the local device number of a given PCI interface.
556 * pciIf - PCI interface number.
562 * Local device number. 0xffffffff on Error
564 *******************************************************************************/
565 MV_U32
mvPciIfLocalDevNumGet(MV_U32 pciIf
)
567 PCI_IF_TYPE pciIfType
= mvPciIfTypeGet(pciIf
);
569 if (PCI_IF_TYPE_CONVEN_PCIX
== pciIfType
)
571 #if defined(MV_INCLUDE_PCI)
572 return mvPciLocalDevNumGet(pciIf
- MV_PCI_START_IF
);
577 else if (PCI_IF_TYPE_PEX
== pciIfType
)
579 #if defined(MV_INCLUDE_PEX)
580 return mvPexLocalDevNumGet(pciIf
- MV_PEX_START_IF
);
588 mvOsPrintf("%s: ERROR!!! Invalid pciIf %d\n", __FUNCTION__
, pciIf
);
595 /*******************************************************************************
607 *******************************************************************************/
609 PCI_IF_TYPE
mvPciIfTypeGet(MV_U32 pciIf
)
612 if ((pciIf
>= MV_PCI_START_IF
)&&(pciIf
< MV_PCI_MAX_IF
+ MV_PCI_START_IF
))
614 return PCI_IF_TYPE_CONVEN_PCIX
;
616 else if ((pciIf
>= MV_PEX_START_IF
) &&
617 (pciIf
< MV_PEX_MAX_IF
+ MV_PEX_START_IF
))
619 return PCI_IF_TYPE_PEX
;
624 mvOsPrintf("%s: ERROR!!! Invalid pciIf %d\n", __FUNCTION__
, pciIf
);
631 /*******************************************************************************
643 *******************************************************************************/
645 MV_U32
mvPciRealIfNumGet(MV_U32 pciIf
)
648 PCI_IF_TYPE pciIfType
= mvPciIfTypeGet(pciIf
);
650 if (PCI_IF_TYPE_CONVEN_PCIX
== pciIfType
)
652 return (pciIf
- MV_PCI_START_IF
);
654 else if (PCI_IF_TYPE_PEX
== pciIfType
)
656 return (pciIf
- MV_PEX_START_IF
);
661 mvOsPrintf("%s: ERROR!!! Invalid pciIf %d\n", __FUNCTION__
, pciIf
);
This page took 0.079324 seconds and 5 git commands to generate.