include/asm-ppc/4xx_pcie.h - filogic/uboot - Gitiles

 /*
  * Copyright (c) 2005 Cisco Systems.  All rights reserved.
  * Roland Dreier <rolandd@cisco.com>
  *
  * This program is free software; you can redistribute  it and/or modify it
  * under  the terms of  the GNU General  Public License as published by the
  * Free Software Foundation;  either version 2 of the  License, or (at your
  * option) any later version.
  */

 #include <ppc4xx.h>
 #ifndef __4XX_PCIE_H
 #define __4XX_PCIE_H

 #define DCRN_SDR0_CFGADDR	0x00e
 #define DCRN_SDR0_CFGDATA	0x00f

 #if defined(CONFIG_440SPE)
 #define CFG_PCIE_NR_PORTS	3

 #define CFG_PCIE_ADDR_HIGH	0x0000000d

 #define DCRN_PCIE0_BASE		0x100
 #define DCRN_PCIE1_BASE		0x120
 #define DCRN_PCIE2_BASE		0x140

 #define PCIE0_SDR		0x300
 #define PCIE1_SDR		0x340
 #define PCIE2_SDR		0x370
 #endif

 #if defined(CONFIG_405EX)
 #define CFG_PCIE_NR_PORTS	2

 #define CFG_PCIE_ADDR_HIGH	0x00000000

 #define	DCRN_PCIE0_BASE		0x040
 #define	DCRN_PCIE1_BASE		0x060

 #define PCIE0_SDR		0x400
 #define PCIE1_SDR		0x440
 #endif

 #define PCIE0			DCRN_PCIE0_BASE
 #define PCIE1			DCRN_PCIE1_BASE
 #define PCIE2			DCRN_PCIE2_BASE

 #define DCRN_PEGPL_CFGBAH(base)		(base + 0x00)
 #define DCRN_PEGPL_CFGBAL(base)		(base + 0x01)
 #define DCRN_PEGPL_CFGMSK(base)		(base + 0x02)
 #define DCRN_PEGPL_MSGBAH(base)		(base + 0x03)
 #define DCRN_PEGPL_MSGBAL(base)		(base + 0x04)
 #define DCRN_PEGPL_MSGMSK(base)		(base + 0x05)
 #define DCRN_PEGPL_OMR1BAH(base)	(base + 0x06)
 #define DCRN_PEGPL_OMR1BAL(base)	(base + 0x07)
 #define DCRN_PEGPL_OMR1MSKH(base)	(base + 0x08)
 #define DCRN_PEGPL_OMR1MSKL(base)	(base + 0x09)
 #define DCRN_PEGPL_REGBAH(base)		(base + 0x12)
 #define DCRN_PEGPL_REGBAL(base)		(base + 0x13)
 #define DCRN_PEGPL_REGMSK(base)		(base + 0x14)
 #define DCRN_PEGPL_SPECIAL(base)	(base + 0x15)
 #define DCRN_PEGPL_CFG(base)		(base + 0x16)

 /*
  * System DCRs (SDRs)
  */
 #define PESDR0_PLLLCT1		0x03a0
 #define PESDR0_PLLLCT2		0x03a1
 #define PESDR0_PLLLCT3		0x03a2

 /* common regs, at least for 405EX and 440SPe */
 #define SDRN_PESDR_UTLSET1(n)		(sdr_base(n) + 0x00)
 #define SDRN_PESDR_UTLSET2(n)		(sdr_base(n) + 0x01)
 #define SDRN_PESDR_DLPSET(n)		(sdr_base(n) + 0x02)
 #define SDRN_PESDR_LOOP(n)		(sdr_base(n) + 0x03)
 #define SDRN_PESDR_RCSSET(n)		(sdr_base(n) + 0x04)
 #define SDRN_PESDR_RCSSTS(n)		(sdr_base(n) + 0x05)

 #if defined(CONFIG_440SPE)
 #define SDRN_PESDR_HSSL0SET1(n)		(sdr_base(n) + 0x06)
 #define SDRN_PESDR_HSSL0SET2(n)		(sdr_base(n) + 0x07)
 #define SDRN_PESDR_HSSL0STS(n)		(sdr_base(n) + 0x08)
 #define SDRN_PESDR_HSSL1SET1(n)		(sdr_base(n) + 0x09)
 #define SDRN_PESDR_HSSL1SET2(n)		(sdr_base(n) + 0x0a)
 #define SDRN_PESDR_HSSL1STS(n)		(sdr_base(n) + 0x0b)
 #define SDRN_PESDR_HSSL2SET1(n)		(sdr_base(n) + 0x0c)
 #define SDRN_PESDR_HSSL2SET2(n)		(sdr_base(n) + 0x0d)
 #define SDRN_PESDR_HSSL2STS(n)		(sdr_base(n) + 0x0e)
 #define SDRN_PESDR_HSSL3SET1(n)		(sdr_base(n) + 0x0f)
 #define SDRN_PESDR_HSSL3SET2(n)		(sdr_base(n) + 0x10)
 #define SDRN_PESDR_HSSL3STS(n)		(sdr_base(n) + 0x11)

 #define PESDR0_UTLSET1		0x0300
 #define PESDR0_UTLSET2		0x0301
 #define PESDR0_DLPSET		0x0302
 #define PESDR0_LOOP		0x0303
 #define PESDR0_RCSSET		0x0304
 #define PESDR0_RCSSTS		0x0305
 #define PESDR0_HSSL0SET1	0x0306
 #define PESDR0_HSSL0SET2	0x0307
 #define PESDR0_HSSL0STS		0x0308
 #define PESDR0_HSSL1SET1	0x0309
 #define PESDR0_HSSL1SET2	0x030a
 #define PESDR0_HSSL1STS		0x030b
 #define PESDR0_HSSL2SET1	0x030c
 #define PESDR0_HSSL2SET2	0x030d
 #define PESDR0_HSSL2STS		0x030e
 #define PESDR0_HSSL3SET1	0x030f
 #define PESDR0_HSSL3SET2	0x0310
 #define PESDR0_HSSL3STS		0x0311
 #define PESDR0_HSSL4SET1	0x0312
 #define PESDR0_HSSL4SET2	0x0313
 #define PESDR0_HSSL4STS		0x0314
 #define PESDR0_HSSL5SET1	0x0315
 #define PESDR0_HSSL5SET2	0x0316
 #define PESDR0_HSSL5STS		0x0317
 #define PESDR0_HSSL6SET1	0x0318
 #define PESDR0_HSSL6SET2	0x0319
 #define PESDR0_HSSL6STS		0x031a
 #define PESDR0_HSSL7SET1	0x031b
 #define PESDR0_HSSL7SET2	0x031c
 #define PESDR0_HSSL7STS		0x031d
 #define PESDR0_HSSCTLSET	0x031e
 #define PESDR0_LANE_ABCD	0x031f
 #define PESDR0_LANE_EFGH	0x0320

 #define PESDR1_UTLSET1		0x0340
 #define PESDR1_UTLSET2		0x0341
 #define PESDR1_DLPSET		0x0342
 #define PESDR1_LOOP		0x0343
 #define PESDR1_RCSSET		0x0344
 #define PESDR1_RCSSTS		0x0345
 #define PESDR1_HSSL0SET1	0x0346
 #define PESDR1_HSSL0SET2	0x0347
 #define PESDR1_HSSL0STS		0x0348
 #define PESDR1_HSSL1SET1	0x0349
 #define PESDR1_HSSL1SET2	0x034a
 #define PESDR1_HSSL1STS		0x034b
 #define PESDR1_HSSL2SET1	0x034c
 #define PESDR1_HSSL2SET2	0x034d
 #define PESDR1_HSSL2STS		0x034e
 #define PESDR1_HSSL3SET1	0x034f
 #define PESDR1_HSSL3SET2	0x0350
 #define PESDR1_HSSL3STS		0x0351
 #define PESDR1_HSSCTLSET	0x0352
 #define PESDR1_LANE_ABCD	0x0353

 #define PESDR2_UTLSET1		0x0370
 #define PESDR2_UTLSET2		0x0371
 #define PESDR2_DLPSET		0x0372
 #define PESDR2_LOOP		0x0373
 #define PESDR2_RCSSET		0x0374
 #define PESDR2_RCSSTS		0x0375
 #define PESDR2_HSSL0SET1	0x0376
 #define PESDR2_HSSL0SET2	0x0377
 #define PESDR2_HSSL0STS		0x0378
 #define PESDR2_HSSL1SET1	0x0379
 #define PESDR2_HSSL1SET2	0x037a
 #define PESDR2_HSSL1STS		0x037b
 #define PESDR2_HSSL2SET1	0x037c
 #define PESDR2_HSSL2SET2	0x037d
 #define PESDR2_HSSL2STS		0x037e
 #define PESDR2_HSSL3SET1	0x037f
 #define PESDR2_HSSL3SET2	0x0380
 #define PESDR2_HSSL3STS		0x0381
 #define PESDR2_HSSCTLSET	0x0382
 #define PESDR2_LANE_ABCD	0x0383

 #elif defined(CONFIG_405EX)

 #define SDRN_PESDR_PHYSET1(n)		(sdr_base(n) + 0x06)
 #define SDRN_PESDR_PHYSET2(n)		(sdr_base(n) + 0x07)
 #define SDRN_PESDR_BIST(n)		(sdr_base(n) + 0x08)
 #define SDRN_PESDR_LPB(n)		(sdr_base(n) + 0x0b)
 #define SDRN_PESDR_PHYSTA(n)		(sdr_base(n) + 0x0c)

 #define PESDR0_UTLSET1		0x0400
 #define PESDR0_UTLSET2		0x0401
 #define PESDR0_DLPSET		0x0402
 #define PESDR0_LOOP		0x0403
 #define PESDR0_RCSSET		0x0404
 #define PESDR0_RCSSTS		0x0405
 #define PESDR0_PHYSET1		0x0406
 #define PESDR0_PHYSET2		0x0407
 #define PESDR0_BIST		0x0408
 #define PESDR0_LPB		0x040B
 #define PESDR0_PHYSTA		0x040C

 #define PESDR1_UTLSET1		0x0440
 #define PESDR1_UTLSET2		0x0441
 #define PESDR1_DLPSET		0x0442
 #define PESDR1_LOOP		0x0443
 #define PESDR1_RCSSET		0x0444
 #define PESDR1_RCSSTS		0x0445
 #define PESDR1_PHYSET1		0x0446
 #define PESDR1_PHYSET2		0x0447
 #define PESDR1_BIST		0x0448
 #define PESDR1_LPB		0x044B
 #define PESDR1_PHYSTA		0x044C

 #endif

 /*
  * UTL register offsets
  */
 #define PEUTL_PBBSZ		0x20
 #define PEUTL_OPDBSZ		0x68
 #define PEUTL_IPHBSZ		0x70
 #define PEUTL_IPDBSZ		0x78
 #define PEUTL_OUTTR		0x90
 #define PEUTL_INTR		0x98
 #define PEUTL_PCTL		0xa0
 #define PEUTL_RCIRQEN		0xb8

 /*
  * Config space register offsets
  */
 #define PECFG_BAR0LMPA		0x210
 #define PECFG_BAR0HMPA		0x214
 #define PECFG_BAR1MPA		0x218
 #define PECFG_BAR2MPA		0x220

 #define PECFG_PIMEN		0x33c
 #define PECFG_PIM0LAL		0x340
 #define PECFG_PIM0LAH		0x344
 #define PECFG_PIM1LAL		0x348
 #define PECFG_PIM1LAH		0x34c
 #define PECFG_PIM01SAL		0x350
 #define PECFG_PIM01SAH		0x354

 #define PECFG_POM0LAL		0x380
 #define PECFG_POM0LAH		0x384

 #define SDR_READ(offset) ({\
 	mtdcr(DCRN_SDR0_CFGADDR, offset); \
 	mfdcr(DCRN_SDR0_CFGDATA);})

 #define SDR_WRITE(offset, data) ({\
 	mtdcr(DCRN_SDR0_CFGADDR, offset); \
 	mtdcr(DCRN_SDR0_CFGDATA,data);})

 #define GPL_DMER_MASK_DISA	0x02000000

 #define U64_TO_U32_LOW(val)	((u32)((val) & 0x00000000ffffffffULL))
 #define U64_TO_U32_HIGH(val)	((u32)((val) >> 32))

 /*
  * Prototypes
  */
 int ppc4xx_init_pcie(void);
 int ppc4xx_init_pcie_rootport(int port);
 int ppc4xx_init_pcie_endport(int port);
 void ppc4xx_setup_pcie_rootpoint(struct pci_controller *hose, int port);
 int ppc4xx_setup_pcie_endpoint(struct pci_controller *hose, int port);
 int pcie_hose_scan(struct pci_controller *hose, int bus);

 /*
  * Function to determine root port or endport from env variable.
  */
 static inline int is_end_point(int port)
 {
 	static char s[10], *tk;

 	strcpy(s, getenv("pcie_mode"));
 	tk = strtok(s, ":");

 	switch (port) {
 	case 0:
 		if (tk != NULL) {
 			if (!(strcmp(tk, "ep") && strcmp(tk, "EP")))
 				return 1;
 			else
 				return 0;
 		}
 		else
 			return 0;

 	case 1:
 		tk = strtok(NULL, ":");
 		if (tk != NULL) {
 			if (!(strcmp(tk, "ep") && strcmp(tk, "EP")))
 				return 1;
 			else
 				return 0;
 		}
 		else
 			return 0;

 	case 2:
 		tk = strtok(NULL, ":");
 		if (tk != NULL)
 			tk = strtok(NULL, ":");
 		if (tk != NULL) {
 			if (!(strcmp(tk, "ep") && strcmp(tk, "EP")))
 				return 1;
 			else
 				return 0;
 		}
 		else
 			return 0;
 	}

 	return 0;
 }

 static inline void mdelay(int n)
 {
 	u32 ms = n;

 	while (ms--)
 		udelay(1000);
 }

 static inline u32 sdr_base(int port)
 {
 	switch (port) {
 	default:	/* to satisfy compiler */
 	case 0:
 		return PCIE0_SDR;
 	case 1:
 		return PCIE1_SDR;
 #if CFG_PCIE_NR_PORTS > 2
 	case 2:
 		return PCIE2_SDR;
 #endif
 	}
 }

 #endif /* __4XX_PCIE_H */
	/*
	* Copyright (c) 2005 Cisco Systems. All rights reserved.
	* Roland Dreier <rolandd@cisco.com>
	*
	* This program is free software; you can redistribute it and/or modify it
	* under the terms of the GNU General Public License as published by the
	* Free Software Foundation; either version 2 of the License, or (at your
	* option) any later version.
	*/

	#include <ppc4xx.h>
	#ifndef __4XX_PCIE_H
	#define __4XX_PCIE_H

	#define DCRN_SDR0_CFGADDR 0x00e
	#define DCRN_SDR0_CFGDATA 0x00f

	#if defined(CONFIG_440SPE)
	#define CFG_PCIE_NR_PORTS 3

	#define CFG_PCIE_ADDR_HIGH 0x0000000d

	#define DCRN_PCIE0_BASE 0x100
	#define DCRN_PCIE1_BASE 0x120
	#define DCRN_PCIE2_BASE 0x140

	#define PCIE0_SDR 0x300
	#define PCIE1_SDR 0x340
	#define PCIE2_SDR 0x370
	#endif

	#if defined(CONFIG_405EX)
	#define CFG_PCIE_NR_PORTS 2

	#define CFG_PCIE_ADDR_HIGH 0x00000000

	#define DCRN_PCIE0_BASE 0x040
	#define DCRN_PCIE1_BASE 0x060

	#define PCIE0_SDR 0x400
	#define PCIE1_SDR 0x440
	#endif

	#define PCIE0 DCRN_PCIE0_BASE
	#define PCIE1 DCRN_PCIE1_BASE
	#define PCIE2 DCRN_PCIE2_BASE

	#define DCRN_PEGPL_CFGBAH(base) (base + 0x00)
	#define DCRN_PEGPL_CFGBAL(base) (base + 0x01)
	#define DCRN_PEGPL_CFGMSK(base) (base + 0x02)
	#define DCRN_PEGPL_MSGBAH(base) (base + 0x03)
	#define DCRN_PEGPL_MSGBAL(base) (base + 0x04)
	#define DCRN_PEGPL_MSGMSK(base) (base + 0x05)
	#define DCRN_PEGPL_OMR1BAH(base) (base + 0x06)
	#define DCRN_PEGPL_OMR1BAL(base) (base + 0x07)
	#define DCRN_PEGPL_OMR1MSKH(base) (base + 0x08)
	#define DCRN_PEGPL_OMR1MSKL(base) (base + 0x09)
	#define DCRN_PEGPL_REGBAH(base) (base + 0x12)
	#define DCRN_PEGPL_REGBAL(base) (base + 0x13)
	#define DCRN_PEGPL_REGMSK(base) (base + 0x14)
	#define DCRN_PEGPL_SPECIAL(base) (base + 0x15)
	#define DCRN_PEGPL_CFG(base) (base + 0x16)

	/*
	* System DCRs (SDRs)
	*/
	#define PESDR0_PLLLCT1 0x03a0
	#define PESDR0_PLLLCT2 0x03a1
	#define PESDR0_PLLLCT3 0x03a2

	/* common regs, at least for 405EX and 440SPe */
	#define SDRN_PESDR_UTLSET1(n) (sdr_base(n) + 0x00)
	#define SDRN_PESDR_UTLSET2(n) (sdr_base(n) + 0x01)
	#define SDRN_PESDR_DLPSET(n) (sdr_base(n) + 0x02)
	#define SDRN_PESDR_LOOP(n) (sdr_base(n) + 0x03)
	#define SDRN_PESDR_RCSSET(n) (sdr_base(n) + 0x04)
	#define SDRN_PESDR_RCSSTS(n) (sdr_base(n) + 0x05)

	#if defined(CONFIG_440SPE)
	#define SDRN_PESDR_HSSL0SET1(n) (sdr_base(n) + 0x06)
	#define SDRN_PESDR_HSSL0SET2(n) (sdr_base(n) + 0x07)
	#define SDRN_PESDR_HSSL0STS(n) (sdr_base(n) + 0x08)
	#define SDRN_PESDR_HSSL1SET1(n) (sdr_base(n) + 0x09)
	#define SDRN_PESDR_HSSL1SET2(n) (sdr_base(n) + 0x0a)
	#define SDRN_PESDR_HSSL1STS(n) (sdr_base(n) + 0x0b)
	#define SDRN_PESDR_HSSL2SET1(n) (sdr_base(n) + 0x0c)
	#define SDRN_PESDR_HSSL2SET2(n) (sdr_base(n) + 0x0d)
	#define SDRN_PESDR_HSSL2STS(n) (sdr_base(n) + 0x0e)
	#define SDRN_PESDR_HSSL3SET1(n) (sdr_base(n) + 0x0f)
	#define SDRN_PESDR_HSSL3SET2(n) (sdr_base(n) + 0x10)
	#define SDRN_PESDR_HSSL3STS(n) (sdr_base(n) + 0x11)

	#define PESDR0_UTLSET1 0x0300
	#define PESDR0_UTLSET2 0x0301
	#define PESDR0_DLPSET 0x0302
	#define PESDR0_LOOP 0x0303
	#define PESDR0_RCSSET 0x0304
	#define PESDR0_RCSSTS 0x0305
	#define PESDR0_HSSL0SET1 0x0306
	#define PESDR0_HSSL0SET2 0x0307
	#define PESDR0_HSSL0STS 0x0308
	#define PESDR0_HSSL1SET1 0x0309
	#define PESDR0_HSSL1SET2 0x030a
	#define PESDR0_HSSL1STS 0x030b
	#define PESDR0_HSSL2SET1 0x030c
	#define PESDR0_HSSL2SET2 0x030d
	#define PESDR0_HSSL2STS 0x030e
	#define PESDR0_HSSL3SET1 0x030f
	#define PESDR0_HSSL3SET2 0x0310
	#define PESDR0_HSSL3STS 0x0311
	#define PESDR0_HSSL4SET1 0x0312
	#define PESDR0_HSSL4SET2 0x0313
	#define PESDR0_HSSL4STS 0x0314
	#define PESDR0_HSSL5SET1 0x0315
	#define PESDR0_HSSL5SET2 0x0316
	#define PESDR0_HSSL5STS 0x0317
	#define PESDR0_HSSL6SET1 0x0318
	#define PESDR0_HSSL6SET2 0x0319
	#define PESDR0_HSSL6STS 0x031a
	#define PESDR0_HSSL7SET1 0x031b
	#define PESDR0_HSSL7SET2 0x031c
	#define PESDR0_HSSL7STS 0x031d
	#define PESDR0_HSSCTLSET 0x031e
	#define PESDR0_LANE_ABCD 0x031f
	#define PESDR0_LANE_EFGH 0x0320

	#define PESDR1_UTLSET1 0x0340
	#define PESDR1_UTLSET2 0x0341
	#define PESDR1_DLPSET 0x0342
	#define PESDR1_LOOP 0x0343
	#define PESDR1_RCSSET 0x0344
	#define PESDR1_RCSSTS 0x0345
	#define PESDR1_HSSL0SET1 0x0346
	#define PESDR1_HSSL0SET2 0x0347
	#define PESDR1_HSSL0STS 0x0348
	#define PESDR1_HSSL1SET1 0x0349
	#define PESDR1_HSSL1SET2 0x034a
	#define PESDR1_HSSL1STS 0x034b
	#define PESDR1_HSSL2SET1 0x034c
	#define PESDR1_HSSL2SET2 0x034d
	#define PESDR1_HSSL2STS 0x034e
	#define PESDR1_HSSL3SET1 0x034f
	#define PESDR1_HSSL3SET2 0x0350
	#define PESDR1_HSSL3STS 0x0351
	#define PESDR1_HSSCTLSET 0x0352
	#define PESDR1_LANE_ABCD 0x0353

	#define PESDR2_UTLSET1 0x0370
	#define PESDR2_UTLSET2 0x0371
	#define PESDR2_DLPSET 0x0372
	#define PESDR2_LOOP 0x0373
	#define PESDR2_RCSSET 0x0374
	#define PESDR2_RCSSTS 0x0375
	#define PESDR2_HSSL0SET1 0x0376
	#define PESDR2_HSSL0SET2 0x0377
	#define PESDR2_HSSL0STS 0x0378
	#define PESDR2_HSSL1SET1 0x0379
	#define PESDR2_HSSL1SET2 0x037a
	#define PESDR2_HSSL1STS 0x037b
	#define PESDR2_HSSL2SET1 0x037c
	#define PESDR2_HSSL2SET2 0x037d
	#define PESDR2_HSSL2STS 0x037e
	#define PESDR2_HSSL3SET1 0x037f
	#define PESDR2_HSSL3SET2 0x0380
	#define PESDR2_HSSL3STS 0x0381
	#define PESDR2_HSSCTLSET 0x0382
	#define PESDR2_LANE_ABCD 0x0383

	#elif defined(CONFIG_405EX)

	#define SDRN_PESDR_PHYSET1(n) (sdr_base(n) + 0x06)
	#define SDRN_PESDR_PHYSET2(n) (sdr_base(n) + 0x07)
	#define SDRN_PESDR_BIST(n) (sdr_base(n) + 0x08)
	#define SDRN_PESDR_LPB(n) (sdr_base(n) + 0x0b)
	#define SDRN_PESDR_PHYSTA(n) (sdr_base(n) + 0x0c)

	#define PESDR0_UTLSET1 0x0400
	#define PESDR0_UTLSET2 0x0401
	#define PESDR0_DLPSET 0x0402
	#define PESDR0_LOOP 0x0403
	#define PESDR0_RCSSET 0x0404
	#define PESDR0_RCSSTS 0x0405
	#define PESDR0_PHYSET1 0x0406
	#define PESDR0_PHYSET2 0x0407
	#define PESDR0_BIST 0x0408
	#define PESDR0_LPB 0x040B
	#define PESDR0_PHYSTA 0x040C

	#define PESDR1_UTLSET1 0x0440
	#define PESDR1_UTLSET2 0x0441
	#define PESDR1_DLPSET 0x0442
	#define PESDR1_LOOP 0x0443
	#define PESDR1_RCSSET 0x0444
	#define PESDR1_RCSSTS 0x0445
	#define PESDR1_PHYSET1 0x0446
	#define PESDR1_PHYSET2 0x0447
	#define PESDR1_BIST 0x0448
	#define PESDR1_LPB 0x044B
	#define PESDR1_PHYSTA 0x044C

	#endif

	/*
	* UTL register offsets
	*/
	#define PEUTL_PBBSZ 0x20
	#define PEUTL_OPDBSZ 0x68
	#define PEUTL_IPHBSZ 0x70
	#define PEUTL_IPDBSZ 0x78
	#define PEUTL_OUTTR 0x90
	#define PEUTL_INTR 0x98
	#define PEUTL_PCTL 0xa0
	#define PEUTL_RCIRQEN 0xb8

	/*
	* Config space register offsets
	*/
	#define PECFG_BAR0LMPA 0x210
	#define PECFG_BAR0HMPA 0x214
	#define PECFG_BAR1MPA 0x218
	#define PECFG_BAR2MPA 0x220

	#define PECFG_PIMEN 0x33c
	#define PECFG_PIM0LAL 0x340
	#define PECFG_PIM0LAH 0x344
	#define PECFG_PIM1LAL 0x348
	#define PECFG_PIM1LAH 0x34c
	#define PECFG_PIM01SAL 0x350
	#define PECFG_PIM01SAH 0x354

	#define PECFG_POM0LAL 0x380
	#define PECFG_POM0LAH 0x384

	#define SDR_READ(offset) ({\
	mtdcr(DCRN_SDR0_CFGADDR, offset); \
	mfdcr(DCRN_SDR0_CFGDATA);})

	#define SDR_WRITE(offset, data) ({\
	mtdcr(DCRN_SDR0_CFGADDR, offset); \
	mtdcr(DCRN_SDR0_CFGDATA,data);})

	#define GPL_DMER_MASK_DISA 0x02000000

	#define U64_TO_U32_LOW(val) ((u32)((val) & 0x00000000ffffffffULL))
	#define U64_TO_U32_HIGH(val) ((u32)((val) >> 32))

	/*
	* Prototypes
	*/
	int ppc4xx_init_pcie(void);
	int ppc4xx_init_pcie_rootport(int port);
	int ppc4xx_init_pcie_endport(int port);
	void ppc4xx_setup_pcie_rootpoint(struct pci_controller *hose, int port);
	int ppc4xx_setup_pcie_endpoint(struct pci_controller *hose, int port);
	int pcie_hose_scan(struct pci_controller *hose, int bus);

	/*
	* Function to determine root port or endport from env variable.
	*/
	static inline int is_end_point(int port)
	{
	static char s[10], *tk;

	strcpy(s, getenv("pcie_mode"));
	tk = strtok(s, ":");

	switch (port) {
	case 0:
	if (tk != NULL) {
	if (!(strcmp(tk, "ep") && strcmp(tk, "EP")))
	return 1;
	else
	return 0;
	}
	else
	return 0;

	case 1:
	tk = strtok(NULL, ":");
	if (tk != NULL) {
	if (!(strcmp(tk, "ep") && strcmp(tk, "EP")))
	return 1;
	else
	return 0;
	}
	else
	return 0;

	case 2:
	tk = strtok(NULL, ":");
	if (tk != NULL)
	tk = strtok(NULL, ":");
	if (tk != NULL) {
	if (!(strcmp(tk, "ep") && strcmp(tk, "EP")))
	return 1;
	else
	return 0;
	}
	else
	return 0;
	}

	return 0;
	}

	static inline void mdelay(int n)
	{
	u32 ms = n;

	while (ms--)
	udelay(1000);
	}

	static inline u32 sdr_base(int port)
	{
	switch (port) {
	default: /* to satisfy compiler */
	case 0:
	return PCIE0_SDR;
	case 1:
	return PCIE1_SDR;
	#if CFG_PCIE_NR_PORTS > 2
	case 2:
	return PCIE2_SDR;
	#endif
	}
	}

	#endif /* __4XX_PCIE_H */