Commit 9ac4dd30 authored by Zang Roy-r61911's avatar Zang Roy-r61911 Committed by Kumar Gala
Browse files

[POWERPC] Rewrite Freescale PCI/PCIe support for 8{3,5,6}xx 



Rewrite the Freescale PCI code to support PCI on 83xx/85xx/86xx and
PCIe on 85xx/86xx.

Signed-off-by: default avatarRoy Zang <tie-fei.zang@freescale.com>
Signed-off-by: default avatarKumar Gala <galak@kernel.crashing.org>
parent 55c44991

arch/powerpc/boot/dts/mpc8641_hpcn.dts

+4 −4
Original line number Diff line number Diff line
@@ -211,8 +211,8 @@ serial@4600 { 
			interrupt-parent = <&mpic>;

		};



		pci@8000 {

			compatible = "86xx";

		pcie@8000 {

			compatible = "fsl,mpc8641-pcie";

			device_type = "pci";

			#interrupt-cells = <1>;

			#size-cells = <2>;
@@ -399,8 +399,8 @@ gpio@400 { 


		};



		pci@9000 {

			compatible = "86xx";

		pcie@9000 {

			compatible = "fsl,mpc8641-pcie";

			device_type = "pci";

			#interrupt-cells = <1>;

			#size-cells = <2>;

arch/powerpc/platforms/86xx/mpc86xx.h

+0 −5
Original line number Diff line number Diff line
@@ -15,11 +15,6 @@ 
 * mpc86xx_* files. Mostly for use by mpc86xx_setup().

 */



extern int mpc86xx_add_bridge(struct device_node *dev);



extern int mpc86xx_exclude_device(struct pci_controller *hose,

				  u_char bus, u_char devfn);



extern void __init mpc86xx_smp_init(void);



#endif	/* __MPC86XX_H__ */

arch/powerpc/platforms/86xx/mpc86xx_hpcn.c

+9 −2
Original line number Diff line number Diff line
@@ -31,6 +31,7 @@ 


#include <asm/mpic.h>



#include <sysdev/fsl_pci.h>

#include <sysdev/fsl_soc.h>



#include "mpc86xx.h"
@@ -344,8 +345,14 @@ mpc86xx_hpcn_setup_arch(void) 
	}



#ifdef CONFIG_PCI

	for (np = NULL; (np = of_find_node_by_type(np, "pci")) != NULL;)

		mpc86xx_add_bridge(np);

	for (np = NULL; (np = of_find_node_by_type(np, "pci")) != NULL;) {

		struct resource rsrc;

		of_address_to_resource(np, 0, &rsrc);

		if ((rsrc.start & 0xfffff) == 0x8000)

			fsl_add_bridge(np, 1);

		else

			fsl_add_bridge(np, 0);

	}

#endif



	printk("MPC86xx HPCN board from Freescale Semiconductor\n");

arch/powerpc/sysdev/fsl_pci.c

+105 −139
Original line number Diff line number Diff line 
/*

 * MPC86XX pci setup code

 * MPC85xx/86xx PCI/PCIE support routing.

 *

 * Recode: ZHANG WEI <wei.zhang@freescale.com>

 * Initial author: Xianghua Xiao <x.xiao@freescale.com>

 * Copyright 2007 Freescale Semiconductor, Inc

 *

 * Copyright 2006 Freescale Semiconductor Inc.

 * Initial author: Xianghua Xiao <x.xiao@freescale.com>

 * Recode: ZHANG WEI <wei.zhang@freescale.com>

 * Rewrite the routing for Frescale PCI and PCI Express

 * 	Roy Zang <tie-fei.zang@freescale.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 <linux/types.h>

#include <linux/module.h>

#include <linux/init.h>

#include <linux/kernel.h>

#include <linux/pci.h>

#include <linux/serial.h>

#include <linux/delay.h>

#include <linux/string.h>

#include <linux/init.h>

#include <linux/bootmem.h>



#include <asm/system.h>

#include <asm/atomic.h>

#include <asm/io.h>

#include <asm/prom.h>

#include <asm/pci-bridge.h>

#include <asm/machdep.h>

#include <sysdev/fsl_soc.h>

#include <sysdev/fsl_pci.h>



#include "../platforms/86xx/mpc86xx.h"



#undef DEBUG



#ifdef DEBUG

#define DBG(fmt, args...) printk(KERN_ERR "%s: " fmt, __FUNCTION__, ## args)

#else

#define DBG(fmt, args...)

#endif



struct pcie_outbound_window_regs {

	uint    pexotar;               /* 0x.0 - PCI Express outbound translation address register */

	uint    pexotear;              /* 0x.4 - PCI Express outbound translation extended address register */

	uint    pexowbar;              /* 0x.8 - PCI Express outbound window base address register */

	char    res1[4];

	uint    pexowar;               /* 0x.10 - PCI Express outbound window attributes register */

	char    res2[12];

};



struct pcie_inbound_window_regs {

	uint    pexitar;               /* 0x.0 - PCI Express inbound translation address register */

	char    res1[4];

	uint    pexiwbar;              /* 0x.8 - PCI Express inbound window base address register */

	uint    pexiwbear;             /* 0x.c - PCI Express inbound window base extended address register */

	uint    pexiwar;               /* 0x.10 - PCI Express inbound window attributes register */

	char    res2[12];

};



static void __init setup_pcie_atmu(struct pci_controller *hose, struct resource *rsrc)

/* atmu setup for fsl pci/pcie controller */

void __init setup_pci_atmu(struct pci_controller *hose, struct resource *rsrc)

{

	volatile struct ccsr_pex *pcie;

	volatile struct pcie_outbound_window_regs *pcieow;

	volatile struct pcie_inbound_window_regs *pcieiw;

	int i = 0;

	struct ccsr_pci __iomem *pci;

	int i;



	DBG("PCIE memory map start 0x%x, size 0x%x\n", rsrc->start,

	pr_debug("PCI memory map start 0x%x, size 0x%x\n", rsrc->start,

			rsrc->end - rsrc->start + 1);

	pcie = ioremap(rsrc->start, rsrc->end - rsrc->start + 1);



	/* Disable all windows (except pexowar0 since its ignored) */

	pcie->pexowar1 = 0;

	pcie->pexowar2 = 0;

 	pcie->pexowar3 = 0;

 	pcie->pexowar4 = 0;

 	pcie->pexiwar1 = 0;

 	pcie->pexiwar2 = 0;

 	pcie->pexiwar3 = 0;

	pci = ioremap(rsrc->start, rsrc->end - rsrc->start + 1);



 	pcieow = (struct pcie_outbound_window_regs *)&pcie->pexotar1;

 	pcieiw = (struct pcie_inbound_window_regs *)&pcie->pexitar1;

	/* Disable all windows (except powar0 since its ignored) */

	for(i = 1; i < 5; i++)

		out_be32(&pci->pow[i].powar, 0);

	for(i = 0; i < 3; i++)

		out_be32(&pci->piw[i].piwar, 0);



	/* Setup outbound MEM window */

	for(i = 0; i < 3; i++)

		if (hose->mem_resources[i].flags & IORESOURCE_MEM){

 			DBG("PCIE MEM resource start 0x%08x, size 0x%08x.\n",

			pr_debug("PCI MEM resource start 0x%08x, size 0x%08x.\n",

				hose->mem_resources[i].start,

				hose->mem_resources[i].end

				  - hose->mem_resources[i].start + 1);

 			pcieow->pexotar = (hose->mem_resources[i].start) >> 12

 				& 0x000fffff;

 			pcieow->pexotear = 0;

 			pcieow->pexowbar = (hose->mem_resources[i].start) >> 12

 				& 0x000fffff;

			out_be32(&pci->pow[i+1].potar,

				(hose->mem_resources[i].start >> 12)

				& 0x000fffff);

			out_be32(&pci->pow[i+1].potear, 0);

			out_be32(&pci->pow[i+1].powbar,

				(hose->mem_resources[i].start >> 12)

				& 0x000fffff);

			/* Enable, Mem R/W */

 			pcieow->pexowar = 0x80044000 |

 				(__ilog2(hose->mem_resources[i].end

 					 - hose->mem_resources[i].start + 1)

 				 - 1);

 			pcieow++;

			out_be32(&pci->pow[i+1].powar, 0x80044000

				| (__ilog2(hose->mem_resources[i].end

				- hose->mem_resources[i].start + 1) - 1));

		}



	/* Setup outbound IO window */

	if (hose->io_resource.flags & IORESOURCE_IO){

 		DBG("PCIE IO resource start 0x%08x, size 0x%08x, phy base 0x%08x.\n",

		pr_debug("PCI IO resource start 0x%08x, size 0x%08x, phy base 0x%08x.\n",

			hose->io_resource.start,

			hose->io_resource.end - hose->io_resource.start + 1,

			hose->io_base_phys);

 		pcieow->pexotar = (hose->io_resource.start) >> 12 & 0x000fffff;

 		pcieow->pexotear = 0;

 		pcieow->pexowbar = (hose->io_base_phys) >> 12 & 0x000fffff;

		out_be32(&pci->pow[i+1].potar, (hose->io_resource.start >> 12)

				& 0x000fffff);

		out_be32(&pci->pow[i+1].potear, 0);

		out_be32(&pci->pow[i+1].powbar, (hose->io_base_phys >> 12)

				& 0x000fffff);

		/* Enable, IO R/W */

 		pcieow->pexowar = 0x80088000 | (__ilog2(hose->io_resource.end

 					- hose->io_resource.start + 1) - 1);

		out_be32(&pci->pow[i+1].powar, 0x80088000

			| (__ilog2(hose->io_resource.end

			- hose->io_resource.start + 1) - 1));

	}



 	/* Setup 2G inbound Memory Window @ 0 */

 	pcieiw->pexitar = 0x00000000;

 	pcieiw->pexiwbar = 0x00000000;

 	/* Enable, Prefetch, Local Mem, Snoop R/W, 2G */

 	pcieiw->pexiwar = 0xa0f5501e;

	/* Setup 2G inbound Memory Window @ 1 */

	out_be32(&pci->piw[2].pitar, 0x00000000);

	out_be32(&pci->piw[2].piwbar,0x00000000);

	out_be32(&pci->piw[2].piwar, PIWAR_2G);

}



static void __init

mpc86xx_setup_pcie(struct pci_controller *hose, u32 pcie_offset, u32 pcie_size)

void __init setup_pci_cmd(struct pci_controller *hose)

{

	u16 cmd;



	DBG("PCIE host controller register offset 0x%08x, size 0x%08x.\n",

			pcie_offset, pcie_size);



	early_read_config_word(hose, 0, 0, PCI_COMMAND, &cmd);

	cmd |= PCI_COMMAND_SERR | PCI_COMMAND_MASTER | PCI_COMMAND_MEMORY

		| PCI_COMMAND_IO;

	early_write_config_word(hose, 0, 0, PCI_COMMAND, cmd);



	early_write_config_byte(hose, 0, 0, PCI_LATENCY_TIMER, 0x80);

}
@@ -167,27 +129,29 @@ static void __devinit quirk_fsl_pcie_transparent(struct pci_dev *dev) 
	}

}



int __init fsl_pcie_check_link(struct pci_controller *hose)

{

	u16 val;

	early_read_config_word(hose, 0, 0, PCIE_LTSSM, &val);

	if (val < PCIE_LTSSM_L0)

		return 1;

	return 0;

}



DECLARE_PCI_FIXUP_EARLY(0x1957, 0x7010, quirk_fsl_pcie_transparent);

DECLARE_PCI_FIXUP_EARLY(0x1957, 0x7011, quirk_fsl_pcie_transparent);



#define PCIE_LTSSM	0x404	/* PCIe Link Training and Status */

#define PCIE_LTSSM_L0	0x16	/* L0 state */



int __init mpc86xx_add_bridge(struct device_node *dev)

int __init fsl_add_bridge(struct device_node *dev, int is_primary)

{

	int len;

	struct pci_controller *hose;

	struct resource rsrc;

	const int *bus_range;

	int has_address = 0;

	int primary = 0;

	u16 val;



	DBG("Adding PCIE host bridge %s\n", dev->full_name);

	pr_debug("Adding PCI host bridge %s\n", dev->full_name);



	/* Fetch host bridge registers address */

	has_address = (of_address_to_resource(dev, 0, &rsrc) == 0);

	if (of_address_to_resource(dev, 0, &rsrc)) {

		printk(KERN_WARNING "Can't get pci register base!");

		return -ENOMEM;

	}



	/* Get bus range if any */

	bus_range = of_get_property(dev, "bus-range", &len);
@@ -200,39 +164,41 @@ int __init mpc86xx_add_bridge(struct device_node *dev) 
	if (!hose)

		return -ENOMEM;



	hose->indirect_type = PPC_INDIRECT_TYPE_EXT_REG |

				PPC_INDIRECT_TYPE_SURPRESS_PRIMARY_BUS;



	hose->first_busno = bus_range ? bus_range[0] : 0x0;

	hose->last_busno = bus_range ? bus_range[1] : 0xff;



	/* check PCI express bridge */

	if (of_device_is_compatible(dev, "fsl,mpc8548-pcie") ||

		of_device_is_compatible(dev, "fsl,mpc8641-pcie"))

		hose->indirect_type = PPC_INDIRECT_TYPE_EXT_REG |

			PPC_INDIRECT_TYPE_SURPRESS_PRIMARY_BUS;



	setup_indirect_pci(hose, rsrc.start, rsrc.start + 0x4);

	setup_pci_cmd(hose);



	/* Probe the hose link training status */

	early_read_config_word(hose, 0, 0, PCIE_LTSSM, &val);

	if (val < PCIE_LTSSM_L0)

	/* check PCI express link status */

	if (of_device_is_compatible(dev, "fsl,mpc8548-pcie") ||

		of_device_is_compatible(dev, "fsl,mpc8641-pcie"))

		if (fsl_pcie_check_link(hose))

			return -ENXIO;



	/* Setup the PCIE host controller. */

	mpc86xx_setup_pcie(hose, rsrc.start, rsrc.end - rsrc.start + 1);



	if ((rsrc.start & 0xfffff) == 0x8000)

		primary = 1;



	printk(KERN_INFO "Found MPC86xx PCIE host bridge at 0x%08lx. "

	printk(KERN_INFO "Found FSL PCI host bridge at 0x%016llx."

		"Firmware bus number: %d->%d\n",

	       (unsigned long) rsrc.start,

	       hose->first_busno, hose->last_busno);

		(unsigned long long)rsrc.start, hose->first_busno,

		hose->last_busno);



	DBG(" ->Hose at 0x%p, cfg_addr=0x%p,cfg_data=0x%p\n",

	pr_debug(" ->Hose at 0x%p, cfg_addr=0x%p,cfg_data=0x%p\n",

		hose, hose->cfg_addr, hose->cfg_data);



	/* Interpret the "ranges" property */

	/* This also maps the I/O region and sets isa_io/mem_base */

	pci_process_bridge_OF_ranges(hose, dev, primary);

	pci_process_bridge_OF_ranges(hose, dev, is_primary);



	/* Setup PEX window registers */

	setup_pcie_atmu(hose, &rsrc);

	setup_pci_atmu(hose, &rsrc);



	return 0;

}



DECLARE_PCI_FIXUP_EARLY(0x1957, 0x7010, quirk_fsl_pcie_transparent);

DECLARE_PCI_FIXUP_EARLY(0x1957, 0x7011, quirk_fsl_pcie_transparent);

arch/powerpc/sysdev/fsl_pci.h

+69 −76
Original line number Diff line number Diff line
@@ -11,84 +11,77 @@ 
 */



#ifdef __KERNEL__

#ifndef __POWERPC_FSL_PCIE_H

#define __POWERPC_FSL_PCIE_H

#ifndef __POWERPC_FSL_PCI_H

#define __POWERPC_FSL_PCI_H



/* PCIE Express IO block registers in 85xx/86xx */

#define PCIE_LTSSM	0x0404		/* PCIE Link Training and Status */

#define PCIE_LTSSM_L0	0x16		/* L0 state */

#define PIWAR_2G	0xa0f5501e	/* Enable, Prefetch, Local Mem, Snoop R/W, 2G */



struct ccsr_pex {

	__be32 __iomem    pex_config_addr;	/* 0x.000 - PCI Express Configuration Address Register */

	__be32 __iomem    pex_config_data;	/* 0x.004 - PCI Express Configuration Data Register */

	u8 __iomem    res1[4];

	__be32 __iomem    pex_otb_cpl_tor;	/* 0x.00c - PCI Express Outbound completion timeout register */

	__be32 __iomem    pex_conf_tor;		/* 0x.010 - PCI Express configuration timeout register */

	u8 __iomem    res2[12];

	__be32 __iomem    pex_pme_mes_dr;	/* 0x.020 - PCI Express PME and message detect register */

	__be32 __iomem    pex_pme_mes_disr;	/* 0x.024 - PCI Express PME and message disable register */

	__be32 __iomem    pex_pme_mes_ier;	/* 0x.028 - PCI Express PME and message interrupt enable register */

	__be32 __iomem    pex_pmcr;		/* 0x.02c - PCI Express power management command register */

	u8 __iomem    res3[3024];

	__be32 __iomem    pexotar0;		/* 0x.c00 - PCI Express outbound translation address register 0 */

	__be32 __iomem    pexotear0;		/* 0x.c04 - PCI Express outbound translation extended address register 0*/

	u8 __iomem    res4[8];

	__be32 __iomem    pexowar0;		/* 0x.c10 - PCI Express outbound window attributes register 0*/

	u8 __iomem    res5[12];

	__be32 __iomem    pexotar1;		/* 0x.c20 - PCI Express outbound translation address register 1 */

	__be32 __iomem    pexotear1;		/* 0x.c24 - PCI Express outbound translation extended address register 1*/

	__be32 __iomem    pexowbar1;		/* 0x.c28 - PCI Express outbound window base address register 1*/

	u8 __iomem    res6[4];

	__be32 __iomem    pexowar1;		/* 0x.c30 - PCI Express outbound window attributes register 1*/

	u8 __iomem    res7[12];

	__be32 __iomem    pexotar2;		/* 0x.c40 - PCI Express outbound translation address register 2 */

	__be32 __iomem    pexotear2;		/* 0x.c44 - PCI Express outbound translation extended address register 2*/

	__be32 __iomem    pexowbar2;		/* 0x.c48 - PCI Express outbound window base address register 2*/

	u8 __iomem    res8[4];

	__be32 __iomem    pexowar2;		/* 0x.c50 - PCI Express outbound window attributes register 2*/

	u8 __iomem    res9[12];

	__be32 __iomem    pexotar3;		/* 0x.c60 - PCI Express outbound translation address register 3 */

	__be32 __iomem    pexotear3;		/* 0x.c64 - PCI Express outbound translation extended address register 3*/

	__be32 __iomem    pexowbar3;		/* 0x.c68 - PCI Express outbound window base address register 3*/

	u8 __iomem    res10[4];

	__be32 __iomem    pexowar3;		/* 0x.c70 - PCI Express outbound window attributes register 3*/

	u8 __iomem    res11[12];

	__be32 __iomem    pexotar4;		/* 0x.c80 - PCI Express outbound translation address register 4 */

	__be32 __iomem    pexotear4;		/* 0x.c84 - PCI Express outbound translation extended address register 4*/

	__be32 __iomem    pexowbar4;		/* 0x.c88 - PCI Express outbound window base address register 4*/

	u8 __iomem    res12[4];

	__be32 __iomem    pexowar4;		/* 0x.c90 - PCI Express outbound window attributes register 4*/

	u8 __iomem    res13[12];

	u8 __iomem    res14[256];

	__be32 __iomem    pexitar3;		/* 0x.da0 - PCI Express inbound translation address register 3 */

	u8 __iomem    res15[4];

	__be32 __iomem    pexiwbar3;		/* 0x.da8 - PCI Express inbound window base address register 3 */

	__be32 __iomem    pexiwbear3;		/* 0x.dac - PCI Express inbound window base extended address register 3 */

	__be32 __iomem    pexiwar3;		/* 0x.db0 - PCI Express inbound window attributes register 3 */

	u8 __iomem    res16[12];

	__be32 __iomem    pexitar2;		/* 0x.dc0 - PCI Express inbound translation address register 2 */

	u8 __iomem    res17[4];

	__be32 __iomem    pexiwbar2;		/* 0x.dc8 - PCI Express inbound window base address register 2 */

	__be32 __iomem    pexiwbear2;		/* 0x.dcc - PCI Express inbound window base extended address register 2 */

	__be32 __iomem    pexiwar2;		/* 0x.dd0 - PCI Express inbound window attributes register 2 */

	u8 __iomem    res18[12];

	__be32 __iomem    pexitar1;		/* 0x.de0 - PCI Express inbound translation address register 2 */

	u8 __iomem    res19[4];

	__be32 __iomem    pexiwbar1;		/* 0x.de8 - PCI Express inbound window base address register 2 */

	__be32 __iomem    pexiwbear1;		/* 0x.dec - PCI Express inbound window base extended address register 2 */

	__be32 __iomem    pexiwar1;		/* 0x.df0 - PCI Express inbound window attributes register 2 */

	u8 __iomem    res20[12];

	__be32 __iomem    pex_err_dr;		/* 0x.e00 - PCI Express error detect register */

	u8 __iomem    res21[4];

	__be32 __iomem    pex_err_en;		/* 0x.e08 - PCI Express error interrupt enable register */

	u8 __iomem    res22[4];

	__be32 __iomem    pex_err_disr;		/* 0x.e10 - PCI Express error disable register */

	u8 __iomem    res23[12];

	__be32 __iomem    pex_err_cap_stat;	/* 0x.e20 - PCI Express error capture status register */

	u8 __iomem    res24[4];

	__be32 __iomem    pex_err_cap_r0;	/* 0x.e28 - PCI Express error capture register 0 */

	__be32 __iomem    pex_err_cap_r1;	/* 0x.e2c - PCI Express error capture register 0 */

	__be32 __iomem    pex_err_cap_r2;	/* 0x.e30 - PCI Express error capture register 0 */

	__be32 __iomem    pex_err_cap_r3;	/* 0x.e34 - PCI Express error capture register 0 */

/* PCI/PCI Express outbound window reg */

struct pci_outbound_window_regs {

	__be32	potar;	/* 0x.0 - Outbound translation address register */

	__be32	potear;	/* 0x.4 - Outbound translation extended address register */

	__be32	powbar;	/* 0x.8 - Outbound window base address register */

	u8	res1[4];

	__be32	powar;	/* 0x.10 - Outbound window attributes register */

	u8	res2[12];

};



#endif /* __POWERPC_FSL_PCIE_H */

/* PCI/PCI Express inbound window reg */

struct pci_inbound_window_regs {

	__be32	pitar;	/* 0x.0 - Inbound translation address register */

	u8	res1[4];

	__be32	piwbar;	/* 0x.8 - Inbound window base address register */

	__be32	piwbear;	/* 0x.c - Inbound window base extended address register */

	__be32	piwar;	/* 0x.10 - Inbound window attributes register */

	u8	res2[12];

};



/* PCI/PCI Express IO block registers for 85xx/86xx */

struct ccsr_pci {

	__be32	config_addr;		/* 0x.000 - PCI/PCIE Configuration Address Register */

	__be32	config_data;		/* 0x.004 - PCI/PCIE Configuration Data Register */

	__be32	int_ack;		/* 0x.008 - PCI Interrupt Acknowledge Register */

	__be32	pex_otb_cpl_tor;	/* 0x.00c - PCIE Outbound completion timeout register */

	__be32	pex_conf_tor;		/* 0x.010 - PCIE configuration timeout register */

	u8	res2[12];

	__be32	pex_pme_mes_dr;		/* 0x.020 - PCIE PME and message detect register */

	__be32	pex_pme_mes_disr;	/* 0x.024 - PCIE PME and message disable register */

	__be32	pex_pme_mes_ier;	/* 0x.028 - PCIE PME and message interrupt enable register */

	__be32	pex_pmcr;		/* 0x.02c - PCIE power management command register */

	u8	res3[3024];



/* PCI/PCI Express outbound window 0-4

 * Window 0 is the default window and is the only window enabled upon reset.

 * The default outbound register set is used when a transaction misses

 * in all of the other outbound windows.

 */

	struct pci_outbound_window_regs pow[5];



	u8	res14[256];



/* PCI/PCI Express inbound window 3-1

 * inbound window 1 supports only a 32-bit base address and does not

 * define an inbound window base extended address register.

 */

	struct pci_inbound_window_regs piw[3];



	__be32	pex_err_dr;		/* 0x.e00 - PCI/PCIE error detect register */

	u8	res21[4];

	__be32	pex_err_en;		/* 0x.e08 - PCI/PCIE error interrupt enable register */

	u8	res22[4];

	__be32	pex_err_disr;		/* 0x.e10 - PCI/PCIE error disable register */

	u8	res23[12];

	__be32	pex_err_cap_stat;	/* 0x.e20 - PCI/PCIE error capture status register */

	u8	res24[4];

	__be32	pex_err_cap_r0;		/* 0x.e28 - PCIE error capture register 0 */

	__be32	pex_err_cap_r1;		/* 0x.e2c - PCIE error capture register 0 */

	__be32	pex_err_cap_r2;		/* 0x.e30 - PCIE error capture register 0 */

	__be32	pex_err_cap_r3;		/* 0x.e34 - PCIE error capture register 0 */

};



extern int fsl_add_bridge(struct device_node *dev, int is_primary);



#endif /* __POWERPC_FSL_PCI_H */

#endif /* __KERNEL__ */