--- /dev/null
+/*******************************************************************************
+Copyright (C) Marvell International Ltd. and its affiliates
+
+This software file (the "File") is owned and distributed by Marvell
+International Ltd. and/or its affiliates ("Marvell") under the following
+alternative licensing terms. Once you have made an election to distribute the
+File under one of the following license alternatives, please (i) delete this
+introductory statement regarding license alternatives, (ii) delete the two
+license alternatives that you have not elected to use and (iii) preserve the
+Marvell copyright notice above.
+
+********************************************************************************
+Marvell Commercial License Option
+
+If you received this File from Marvell and you have entered into a commercial
+license agreement (a "Commercial License") with Marvell, the File is licensed
+to you under the terms of the applicable Commercial License.
+
+********************************************************************************
+Marvell GPL License Option
+
+If you received this File from Marvell, you may opt to use, redistribute and/or
+modify this File in accordance with the terms and conditions of the General
+Public License Version 2, June 1991 (the "GPL License"), a copy of which is
+available along with the File in the license.txt file or by writing to the Free
+Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 or
+on the worldwide web at http://www.gnu.org/licenses/gpl.txt.
+
+THE FILE IS DISTRIBUTED AS-IS, WITHOUT WARRANTY OF ANY KIND, AND THE IMPLIED
+WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE ARE EXPRESSLY
+DISCLAIMED. The GPL License provides additional details about this warranty
+disclaimer.
+********************************************************************************
+Marvell BSD License Option
+
+If you received this File from Marvell, you may opt to use, redistribute and/or
+modify this File under the following licensing terms.
+Redistribution and use in source and binary forms, with or without modification,
+are permitted provided that the following conditions are met:
+
+ * Redistributions of source code must retain the above copyright notice,
+ this list of conditions and the following disclaimer.
+
+ * Redistributions in binary form must reproduce the above copyright
+ notice, this list of conditions and the following disclaimer in the
+ documentation and/or other materials provided with the distribution.
+
+ * Neither the name of Marvell nor the names of its contributors may be
+ used to endorse or promote products derived from this software without
+ specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
+ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR
+ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
+ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+*******************************************************************************/
+
+#ifndef __INCmvPciUtilsh
+#define __INCmvPciUtilsh
+
+/*
+This module only support scanning of Header type 00h of pci devices
+There is no suppotr for Header type 01h of pci devices ( PCI bridges )
+*/
+
+/* includes */
+#include "mvSysHwConfig.h"
+#include "pci-if/mvPciIf.h"
+#include "pci/mvPciRegs.h"
+
+
+
+/* PCI base address low bar mask */
+#define PCI_ERROR_CODE 0xffffffff
+
+#define PCI_BRIDGE_CLASS 0x6
+#define P2P_BRIDGE_SUB_CLASS_CODE 0x4
+
+
+#define P2P_BUSSES_NUM 0x18
+#define P2P_IO_BASE_LIMIT_SEC_STATUS 0x1C
+#define P2P_MEM_BASE_LIMIT 0x20
+#define P2P_PREF_MEM_BASE_LIMIT 0x24
+#define P2P_PREF_BASE_UPPER_32 0x28
+#define P2P_PREF_LIMIT_UPPER_32 0x2C
+#define P2P_IO_BASE_LIMIT_UPPER_16 0x30
+#define P2P_EXP_ROM 0x38
+
+/* P2P_BUSSES_NUM (PBM) */
+
+#define PBM_PRIME_BUS_NUM_OFFS 0
+#define PBM_PRIME_BUS_NUM_MASK (0xff << PBM_PRIME_BUS_NUM_OFFS)
+
+#define PBM_SEC_BUS_NUM_OFFS 8
+#define PBM_SEC_BUS_NUM_MASK (0xff << PBM_SEC_BUS_NUM_OFFS)
+
+#define PBM_SUB_BUS_NUM_OFFS 16
+#define PBM_SUB_BUS_NUM_MASK (0xff << PBM_SUB_BUS_NUM_OFFS)
+
+#define PBM_SEC_LAT_TMR_OFFS 24
+#define PBM_SEC_LAT_TMR_MASK (0xff << PBM_SEC_LAT_TMR_OFFS)
+
+/* P2P_IO_BASE_LIMIT_SEC_STATUS (PIBLSS) */
+
+#define PIBLSS_IO_BASE_OFFS 0
+#define PIBLSS_IO_BASE_MASK (0xff << PIBLSS_IO_BASE_OFFS)
+
+#define PIBLSS_ADD_CAP_OFFS 0
+#define PIBLSS_ADD_CAP_MASK (0x3 << PIBLSS_ADD_CAP_OFFS)
+#define PIBLSS_ADD_CAP_16BIT (0x0 << PIBLSS_ADD_CAP_OFFS)
+#define PIBLSS_ADD_CAP_32BIT (0x1 << PIBLSS_ADD_CAP_OFFS)
+
+#define PIBLSS_LOW_ADDR_OFFS 0
+#define PIBLSS_LOW_ADDR_MASK (0xFFF << PIBLSS_LOW_ADDR_OFFS)
+
+#define PIBLSS_HIGH_ADDR_OFFS 12
+#define PIBLSS_HIGH_ADDR_MASK (0xF << PIBLSS_HIGH_ADDR_OFFS)
+
+#define PIBLSS_IO_LIMIT_OFFS 8
+#define PIBLSS_IO_LIMIT_MASK (0xff << PIBLSS_IO_LIMIT_OFFS)
+
+#define PIBLSS_SEC_STATUS_OFFS 16
+#define PIBLSS_SEC_STATUS_MASK (0xffff << PIBLSS_SEC_STATUS_OFFS)
+
+
+/* P2P_MEM_BASE_LIMIT (PMBL)*/
+
+#define PMBL_MEM_BASE_OFFS 0
+#define PMBL_MEM_BASE_MASK (0xffff << PMBL_MEM_BASE_OFFS)
+
+#define PMBL_MEM_LIMIT_OFFS 16
+#define PMBL_MEM_LIMIT_MASK (0xffff << PMBL_MEM_LIMIT_OFFS)
+
+
+#define PMBL_LOW_ADDR_OFFS 0
+#define PMBL_LOW_ADDR_MASK (0xFFFFF << PMBL_LOW_ADDR_OFFS)
+
+#define PMBL_HIGH_ADDR_OFFS 20
+#define PMBL_HIGH_ADDR_MASK (0xFFF << PMBL_HIGH_ADDR_OFFS)
+
+
+/* P2P_PREF_MEM_BASE_LIMIT (PRMBL) */
+
+#define PRMBL_PREF_MEM_BASE_OFFS 0
+#define PRMBL_PREF_MEM_BASE_MASK (0xffff << PRMBL_PREF_MEM_BASE_OFFS)
+
+#define PRMBL_PREF_MEM_LIMIT_OFFS 16
+#define PRMBL_PREF_MEM_LIMIT_MASK (0xffff<<PRMBL_PREF_MEM_LIMIT_OFFS)
+
+#define PRMBL_LOW_ADDR_OFFS 0
+#define PRMBL_LOW_ADDR_MASK (0xFFFFF << PRMBL_LOW_ADDR_OFFS)
+
+#define PRMBL_HIGH_ADDR_OFFS 20
+#define PRMBL_HIGH_ADDR_MASK (0xFFF << PRMBL_HIGH_ADDR_OFFS)
+
+#define PRMBL_ADD_CAP_OFFS 0
+#define PRMBL_ADD_CAP_MASK (0xf << PRMBL_ADD_CAP_OFFS)
+#define PRMBL_ADD_CAP_32BIT (0x0 << PRMBL_ADD_CAP_OFFS)
+#define PRMBL_ADD_CAP_64BIT (0x1 << PRMBL_ADD_CAP_OFFS)
+
+/* P2P_IO_BASE_LIMIT_UPPER_16 (PIBLU) */
+
+#define PRBU_IO_UPP_BASE_OFFS 0
+#define PRBU_IO_UPP_BASE_MASK (0xffff << PRBU_IO_UPP_BASE_OFFS)
+
+#define PRBU_IO_UPP_LIMIT_OFFS 16
+#define PRBU_IO_UPP_LIMIT_MASK (0xffff << PRBU_IO_UPP_LIMIT_OFFS)
+
+
+/* typedefs */
+
+typedef enum _mvPciBarMapping
+{
+ PCI_MEMORY_BAR,
+ PCI_IO_BAR,
+ PCI_NO_MAPPING
+}MV_PCI_BAR_MAPPING;
+
+typedef enum _mvPciBarType
+{
+ PCI_32BIT_BAR,
+ PCI_64BIT_BAR
+}MV_PCI_BAR_TYPE;
+
+typedef enum _mvPciIntPin
+{
+ MV_PCI_INTA = 1,
+ MV_PCI_INTB = 2,
+ MV_PCI_INTC = 3,
+ MV_PCI_INTD = 4
+}MV_PCI_INT_PIN;
+
+typedef enum _mvPciHeader
+{
+ MV_PCI_STANDARD,
+ MV_PCI_PCI2PCI_BRIDGE
+
+}MV_PCI_HEADER;
+
+
+/* BAR structure */
+typedef struct _pciBar
+{
+ MV_U32 barOffset;
+ MV_U32 barBaseLow;
+ MV_U32 barBaseHigh;
+ MV_U32 barSizeLow;
+ MV_U32 barSizeHigh;
+ /* The 'barBaseAddr' is a 64-bit variable
+ that will contain the TOTAL base address
+ value achived by combining both the 'barBaseLow'
+ and the 'barBaseHigh' parameters as follows:
+
+ BIT: 63 31 0
+ | | |
+ barBaseHigh barBaseLow */
+ MV_U64 barBaseAddr;
+ /* The 'barSize' is a 64-bit variable
+ that will contain the TOTAL size achived
+ by combining both the 'barSizeLow' and
+ the 'barSizeHigh' parameters as follows:
+
+ BIT: 63 31 0
+ | | |
+ barSizeHigh barSizeLow
+
+ NOTE: The total size described above
+ is AFTER the size calculation as
+ described in PCI spec rev2.2 */
+ MV_U64 barSize;
+ MV_BOOL isPrefetchable;
+ MV_PCI_BAR_TYPE barType;
+ MV_PCI_BAR_MAPPING barMapping;
+
+
+} PCI_BAR;
+
+/* Device information structure */
+typedef struct _mvPciDevice
+{
+ /* Device specific information */
+ MV_U32 busNumber; /* Pci agent bus number */
+ MV_U32 deviceNum; /* Pci agent device number */
+ MV_U32 function; /* Pci agent function number */
+
+ MV_U32 venID; /* Pci agent Vendor ID */
+ MV_U32 deviceID; /* Pci agent Device ID */
+
+ MV_BOOL isFastB2BCapable; /* Capability of Fast Back to Back
+ transactions */
+ MV_BOOL isCapListSupport; /* Support of Capability list */
+ MV_BOOL is66MHZCapable; /* 66MHZ support */
+
+ MV_U32 baseClassCode; /* Pci agent base Class Code */
+ MV_U32 subClassCode; /* Pci agent sub Class Code */
+ MV_U32 progIf; /* Pci agent Programing interface */
+ MV_U32 revisionID;
+
+ PCI_BAR pciBar[6]; /* Pci agent bar list */
+
+ MV_U32 p2pPrimBusNum; /* P2P Primary Bus number*/
+ MV_U32 p2pSecBusNum; /* P2P Secondary Bus Number*/
+ MV_U32 p2pSubBusNum; /* P2P Subordinate bus Number */
+ MV_U32 p2pSecLatencyTimer; /* P2P Econdary Latency Timer*/
+ MV_U32 p2pIObase; /* P2P IO Base */
+ MV_U32 p2pIOLimit; /* P2P IO Linit */
+ MV_BOOL bIO32;
+ MV_U32 p2pSecStatus; /* P2P Secondary Status */
+ MV_U32 p2pMemBase; /* P2P Memory Space */
+ MV_U32 p2pMemLimit; /* P2P Memory Limit*/
+ MV_U32 p2pPrefMemBase; /* P2P Prefetchable Mem Base*/
+ MV_U32 p2pPrefMemLimit; /* P2P Prefetchable Memory Limit*/
+ MV_BOOL bPrefMem64;
+ MV_U32 p2pPrefBaseUpper32Bits;/* P2P Prefetchable upper 32 bits*/
+ MV_U32 p2pPrefLimitUpper32Bits;/* P2P prefetchable limit upper 32*/
+
+
+ MV_U32 pciCacheLine; /* Pci agent cache line */
+ MV_U32 pciLatencyTimer; /* Pci agent Latency timer */
+ MV_PCI_HEADER pciHeader; /* Pci agent header type*/
+ MV_BOOL isMultiFunction; /* Multi function support */
+ MV_BOOL isBISTCapable; /* Self test capable */
+
+ MV_U32 subSysID; /* Sub System ID */
+ MV_U32 subSysVenID; /* Sub System Vendor ID */
+
+ MV_BOOL isExpRom; /* Expantion Rom support */
+ MV_U32 expRomAddr; /* Expantion Rom pointer */
+
+ MV_U32 capListPointer; /* Capability list pointer */
+
+ MV_U32 irqLine; /* IRQ line */
+ MV_PCI_INT_PIN intPin; /* Interrupt pin */
+ MV_U32 minGrant; /* Minimum grant*/
+ MV_U32 maxLatency; /* Maximum latency*/
+
+ MV_U32 funtionsNum; /* pci agent total functions number */
+
+ MV_U32 barsNum;
+ MV_U8 type[60]; /* class name of the pci agent */
+
+
+} MV_PCI_DEVICE;
+
+/* PCI gloabl functions */
+MV_STATUS mvPciClassNameGet(MV_U32 classCode, MV_8 *pType);
+
+
+/* Performs a full scan on both PCIs and returns all possible details on the
+ agents found on the bus. */
+MV_STATUS mvPciScan(MV_U32 pciIf,
+ MV_PCI_DEVICE *pPciAgents,
+ MV_U32 *pPciAgentsNum);
+
+
+#endif /* #ifndef __INCmvPciUtilsh */
projects / 15.05 / openwrt.git / blobdiff