/*******************************************************************************

NAME			$RCSfile: plxDiag.h,v $
SUMMARY			Header file of PLX PCI-E switch diagnostics for Pikes Peak
VERSION			$Revision: 1.10 $
UPDATE DATE		$Date: 2009/12/16 03:49:00 $
PROGRAMMER		$Author: luap $

		Copyright 2009 LSI Corporation. All Rights Reserved.

DESCRIPTION:

REFERENCE:

*******************************************************************************/
#ifndef INCplxDiag
#define INCplxDiag

#include <linux/pci.h>
#include <linux/pci_regs.h>

/* Configuration space registers */
#define PLX_PCIEDSTS    0x72 /* PCI Express Device Status */
#define PLX_PCIELCAP    0x74 /* PCI Express Link Capabilities */
#define PLX_PCIELSTS    0x7a /* PCI Express Link Status */

#define PIKES_PEAK_PLX_PORT_NUM    5
#define PLX_UPSTREAM_LANE_WIDTH    16
#define PLX_DOWNSTREAM_LANE_WIDTH  8
#define PLX_PORT_USED       0x01
typedef struct
{
	uint8_t flag;
	uint8_t portNum;
	uint8_t laneWidth;
	uint8_t linkSpeed;
	struct pci_dev   *pdev;
} PLX_PORT;

/*XXX: There are 12 physical ports for PEX8648/PEX8649
 *     Somehow PEX8649 has max port index to 23 */
#define MAX_PLX_PORT 24
typedef struct
{
	uint16_t     deviceID;
	uint8_t      ntb;
	PLX_PORT     port[MAX_PLX_PORT];
} PLX_PCIE_SWT;

#define PLX_MSG_SHIFT 18 /* 256K */
#define PLX_MSG_SIZE (1 << 18)
#define PLX_MSG_BODY_SIZE (PLX_MSG_SIZE - sizeof(uint32_t))
#define PLX_MSG_NO_SIGNATURE  0x00000000
#define PLX_MSG_REQ_SIGNATURE 0xaaaaaaaa
#define PLX_MSG_RSP_SIGNATURE 0x55555555
typedef struct
{
	volatile uint32_t signature;
	volatile uint8_t body[PLX_MSG_BODY_SIZE];
} PLX_MSG;

typedef struct
{
	int     rxDone;
	PLX_MSG *txMsg;
	PLX_MSG *rxMsg;
} PLX_NT_DIAG_CB;

/*******************************************************
 * NT Bridge Settings
 *******************************************************/
#define PLX_NT_BACK_TO_BACK
#define PLX_NT_MAP_BASE       0x800000000ULL /* 32GB */
//#define PLX_NT_WINDOW_SIZE    0x20000000ULL  /* 512 MB */
#define PLX_NT_WINDOW_SIZE    0x10000000ULL  /* 256 MB */  /* Modified by Luap 20091216 */
//#define PLX_NT_TRANS_ADDR     0x20000000ULL  /* 512 MB */
#define PLX_NT_TRANS_ADDR     0x60000000ULL  /* 1536 MB */ /* Modified by Luap 20091216 */
#define PLX_NT_BUFFER_SIZE    (1024*1024)    /* 1MB */


#define PCISTS_MDPED      0x0100 /* Master Data Parity Error Detected */
#define PCISTS_SSE        0x4000 /* Signalled System Error */
#define PCISTS_DPE        0x8000 /* Detected Parity Error */
#define PCISTS_ERROR_MASK (PCISTS_MDPED | PCISTS_SSE | PCISTS_DPE)

#define PCIESTS_CED       0x0001 /* Correctable Error Detected */
#define PCIESTS_NFED      0x0002 /* Non-Fatal Error Detected */
#define PCIESTS_FED       0x0004 /* Fatal Error Detected */
#define PCIESTS_URD       0x0008 /* Unsupported Request Detected */
#define PCIESTS_ERROR_MASK (PCIESTS_CED | PCIESTS_NFED | PCIESTS_FED | PCIESTS_URD)

#define AERUES_DLPERR     (1 << 4)  /* Data Link Protocol Error Status */
#define AERUES_SDOENERR   (1 << 5)  /* Surprise Down Error Status */
#define AERUES_POISONED   (1 << 12) /* Poisoned TLP Status */
#define AERUES_FCPERR     (1 << 13) /* Flow Control Protocol Error Status */
#define AERUES_CTS        (1 << 14) /* Completion Timeout Status */
#define AERUES_CAS        (1 << 15) /* Completion Abort Status */
#define AERUES_UECOMP     (1 << 16) /* Unexpected Completion Status */
#define AERUES_RCVOVR     (1 << 17) /* Receiver Overflow Status */
#define AERUES_MALFORMED  (1 << 18) /* Malformed TLP Status */
#define AERUES_ECRC       (1 << 19) /* ECRC Status */
#define AERUES_UR         (1 << 20) /* UR Status */
#define AERUES_ACSVES     (1 << 21) /* ACS Violation Error Status */

#define AERCES_RCVERR     (1 << 0)  /* Receiver Error Status */
#define AERCES_BADTLP     (1 << 6)  /* Bad TLP Status */
#define AERCES_BADDLLP    (1 << 7)  /* Bad DLLP Status */
#define AERCES_RPLYROVR   (1 << 8)  /* Reply Number Rollover Status */
#define AERCES_RPLYTO     (1 << 12) /* Replay Timer Time-Out Status */
#define AERCES_ADVISORYNF (1 << 13) /* Advisory Non-Fatal Error Status */

#endif /* INCplxDiag */