patch-2.4.20 linux-2.4.20/arch/ppc/kernel/prep_pci.c

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diff -urN linux-2.4.19/arch/ppc/kernel/prep_pci.c linux-2.4.20/arch/ppc/kernel/prep_pci.c
@@ -1,1271 +0,0 @@
-/*
- * BK Id: SCCS/s.prep_pci.c 1.33 12/20/01 15:36:12 trini
- */
-/*
- * PReP pci functions.
- * Originally by Gary Thomas
- * rewritten and updated by Cort Dougan (cort@cs.nmt.edu)
- *
- * The motherboard routes/maps will disappear shortly. -- Cort
- */
-
-#include <linux/config.h>
-#include <linux/types.h>
-#include <linux/pci.h>
-#include <linux/kernel.h>
-#include <linux/init.h>
-
-#include <asm/sections.h>
-#include <asm/byteorder.h>
-#include <asm/io.h>
-#include <asm/ptrace.h>
-#include <asm/prom.h>
-#include <asm/pci-bridge.h>
-#include <asm/residual.h>
-#include <asm/processor.h>
-#include <asm/irq.h>
-#include <asm/machdep.h>
-
-#include "pci.h"
-#include "open_pic.h"
-
-#define MAX_DEVNR 22
-
-/* Which PCI interrupt line does a given device [slot] use? */
-/* Note: This really should be two dimensional based in slot/pin used */
-static unsigned char *Motherboard_map;
-unsigned char *Motherboard_map_name;
-
-/* How is the 82378 PIRQ mapping setup? */
-static unsigned char *Motherboard_routes;
-
-static void (*Motherboard_non0)(struct pci_dev *);
-
-static void Powerplus_Map_Non0(struct pci_dev *);
-
-/* Used for Motorola to store system config register */
-static unsigned long	*ProcInfo;
-
-/* Tables for known hardware */   
-
-/* Motorola PowerStackII - Utah */
-static char Utah_pci_IRQ_map[23] __prepdata =
-{
-        0,   /* Slot 0  - unused */
-        0,   /* Slot 1  - unused */
-        5,   /* Slot 2  - SCSI - NCR825A  */
-        0,   /* Slot 3  - unused */
-        1,   /* Slot 4  - Ethernet - DEC2114x */
-        0,   /* Slot 5  - unused */
-        3,   /* Slot 6  - PCI Card slot #1 */
-        4,   /* Slot 7  - PCI Card slot #2 */
-        5,   /* Slot 8  - PCI Card slot #3 */
-        5,   /* Slot 9  - PCI Bridge */
-             /* added here in case we ever support PCI bridges */
-             /* Secondary PCI bus cards are at slot-9,6 & slot-9,7 */
-        0,   /* Slot 10 - unused */
-        0,   /* Slot 11 - unused */
-        5,   /* Slot 12 - SCSI - NCR825A */
-        0,   /* Slot 13 - unused */
-        3,   /* Slot 14 - enet */
-        0,   /* Slot 15 - unused */
-        2,   /* Slot 16 - unused */
-        3,   /* Slot 17 - unused */
-        5,   /* Slot 18 - unused */
-        0,   /* Slot 19 - unused */
-        0,   /* Slot 20 - unused */
-        0,   /* Slot 21 - unused */
-        0,   /* Slot 22 - unused */
-};
-
-static char Utah_pci_IRQ_routes[] __prepdata =
-{
-        0,   /* Line 0 - Unused */
-        9,   /* Line 1 */
-	10,  /* Line 2 */
-        11,  /* Line 3 */
-        14,  /* Line 4 */
-        15,  /* Line 5 */
-};
-
-/* Motorola PowerStackII - Omaha */
-/* no integrated SCSI or ethernet */
-static char Omaha_pci_IRQ_map[23] __prepdata =
-{
-        0,   /* Slot 0  - unused */
-        0,   /* Slot 1  - unused */
-        3,   /* Slot 2  - Winbond EIDE */
-        0,   /* Slot 3  - unused */
-        0,   /* Slot 4  - unused */
-        0,   /* Slot 5  - unused */
-        1,   /* Slot 6  - PCI slot 1 */
-        2,   /* Slot 7  - PCI slot 2  */
-        3,   /* Slot 8  - PCI slot 3 */
-        4,   /* Slot 9  - PCI slot 4 */ /* needs indirect access */
-        0,   /* Slot 10 - unused */
-        0,   /* Slot 11 - unused */
-        0,   /* Slot 12 - unused */
-        0,   /* Slot 13 - unused */
-        0,   /* Slot 14 - unused */
-        0,   /* Slot 15 - unused */
-        1,   /* Slot 16  - PCI slot 1 */
-        2,   /* Slot 17  - PCI slot 2  */
-        3,   /* Slot 18  - PCI slot 3 */
-        4,   /* Slot 19  - PCI slot 4 */ /* needs indirect access */
-        0,
-        0,
-        0,
-};
-
-static char Omaha_pci_IRQ_routes[] __prepdata =
-{
-        0,   /* Line 0 - Unused */
-        9,   /* Line 1 */
-        11,  /* Line 2 */
-        14,  /* Line 3 */
-        15   /* Line 4 */
-};
-
-/* Motorola PowerStack */
-static char Blackhawk_pci_IRQ_map[19] __prepdata =
-{
-  	0,	/* Slot 0  - unused */
-  	0,	/* Slot 1  - unused */
-  	0,	/* Slot 2  - unused */
-  	0,	/* Slot 3  - unused */
-  	0,	/* Slot 4  - unused */
-  	0,	/* Slot 5  - unused */
-  	0,	/* Slot 6  - unused */
-  	0,	/* Slot 7  - unused */
-  	0,	/* Slot 8  - unused */
-  	0,	/* Slot 9  - unused */
-  	0,	/* Slot 10 - unused */
-  	0,	/* Slot 11 - unused */
-  	3,	/* Slot 12 - SCSI */
-  	0,	/* Slot 13 - unused */
-  	1,	/* Slot 14 - Ethernet */
-  	0,	/* Slot 15 - unused */
- 	1,	/* Slot P7 */
- 	2,	/* Slot P6 */
- 	3,	/* Slot P5 */
-};
-
-static char Blackhawk_pci_IRQ_routes[] __prepdata =
-{
-   	0,	/* Line 0 - Unused */
-   	9,	/* Line 1 */
-   	11,	/* Line 2 */
-   	15,	/* Line 3 */
-   	15	/* Line 4 */
-};
-   
-/* Motorola Mesquite */
-static char Mesquite_pci_IRQ_map[23] __prepdata =
-{
-	0,	/* Slot 0  - unused */
-	0,	/* Slot 1  - unused */
-	0,	/* Slot 2  - unused */
-	0,	/* Slot 3  - unused */
-	0,	/* Slot 4  - unused */
-	0,	/* Slot 5  - unused */
-	0,	/* Slot 6  - unused */
-	0,	/* Slot 7  - unused */
-	0,	/* Slot 8  - unused */
-	0,	/* Slot 9  - unused */
-	0,	/* Slot 10 - unused */
-	0,	/* Slot 11 - unused */
-	0,	/* Slot 12 - unused */
-	0,	/* Slot 13 - unused */
-	2,	/* Slot 14 - Ethernet */
-	0,	/* Slot 15 - unused */
-	3,	/* Slot 16 - PMC */
-	0,	/* Slot 17 - unused */
-	0,	/* Slot 18 - unused */
-	0,	/* Slot 19 - unused */
-	0,	/* Slot 20 - unused */
-	0,	/* Slot 21 - unused */
-	0,	/* Slot 22 - unused */
-};
-
-/* Motorola Sitka */
-static char Sitka_pci_IRQ_map[21] __prepdata =
-{
-	0,      /* Slot 0  - unused */
-	0,      /* Slot 1  - unused */
-	0,      /* Slot 2  - unused */
-	0,      /* Slot 3  - unused */
-	0,      /* Slot 4  - unused */
-	0,      /* Slot 5  - unused */
-	0,      /* Slot 6  - unused */
-	0,      /* Slot 7  - unused */
-	0,      /* Slot 8  - unused */
-	0,      /* Slot 9  - unused */
-	0,      /* Slot 10 - unused */
-	0,      /* Slot 11 - unused */
-	0,      /* Slot 12 - unused */
-	0,      /* Slot 13 - unused */
-	2,      /* Slot 14 - Ethernet */
-	0,      /* Slot 15 - unused */
-	9,      /* Slot 16 - PMC 1  */
-	12,     /* Slot 17 - PMC 2  */
-	0,      /* Slot 18 - unused */
-	0,      /* Slot 19 - unused */
-	4,      /* Slot 20 - NT P2P bridge */
-};
-
-/* Motorola MTX */
-static char MTX_pci_IRQ_map[23] __prepdata =
-{
-	0,	/* Slot 0  - unused */
-	0,	/* Slot 1  - unused */
-	0,	/* Slot 2  - unused */
-	0,	/* Slot 3  - unused */
-	0,	/* Slot 4  - unused */
-	0,	/* Slot 5  - unused */
-	0,	/* Slot 6  - unused */
-	0,	/* Slot 7  - unused */
-	0,	/* Slot 8  - unused */
-	0,	/* Slot 9  - unused */
-	0,	/* Slot 10 - unused */
-	0,	/* Slot 11 - unused */
-	3,	/* Slot 12 - SCSI */
-	0,	/* Slot 13 - unused */
-	2,	/* Slot 14 - Ethernet */
-	0,	/* Slot 15 - unused */
-	9,      /* Slot 16 - PCI/PMC slot 1 */
-	10,     /* Slot 17 - PCI/PMC slot 2 */
-	11,     /* Slot 18 - PCI slot 3 */
-	0,	/* Slot 19 - unused */
-	0,	/* Slot 20 - unused */
-	0,	/* Slot 21 - unused */
-	0,	/* Slot 22 - unused */
-};
-
-/* Motorola MTX Plus */
-/* Secondary bus interrupt routing is not supported yet */
-static char MTXplus_pci_IRQ_map[23] __prepdata =
-{
-        0,      /* Slot 0  - unused */
-        0,      /* Slot 1  - unused */
-        0,      /* Slot 2  - unused */
-        0,      /* Slot 3  - unused */
-        0,      /* Slot 4  - unused */
-        0,      /* Slot 5  - unused */
-        0,      /* Slot 6  - unused */
-        0,      /* Slot 7  - unused */
-        0,      /* Slot 8  - unused */
-        0,      /* Slot 9  - unused */
-        0,      /* Slot 10 - unused */
-        0,      /* Slot 11 - unused */
-        3,      /* Slot 12 - SCSI */
-        0,      /* Slot 13 - unused */
-        2,      /* Slot 14 - Ethernet 1 */
-        0,      /* Slot 15 - unused */
-        9,      /* Slot 16 - PCI slot 1P */
-        10,     /* Slot 17 - PCI slot 2P */
-        11,     /* Slot 18 - PCI slot 3P */
-        10,     /* Slot 19 - Ethernet 2 */
-        0,      /* Slot 20 - P2P Bridge */
-        0,      /* Slot 21 - unused */
-        0,      /* Slot 22 - unused */
-};
-
-static char Raven_pci_IRQ_routes[] __prepdata =
-{
-   	0,	/* This is a dummy structure */
-};
-   
-/* Motorola MVME16xx */
-static char Genesis_pci_IRQ_map[16] __prepdata =
-{
-  	0,	/* Slot 0  - unused */
-  	0,	/* Slot 1  - unused */
-  	0,	/* Slot 2  - unused */
-  	0,	/* Slot 3  - unused */
-  	0,	/* Slot 4  - unused */
-  	0,	/* Slot 5  - unused */
-  	0,	/* Slot 6  - unused */
-  	0,	/* Slot 7  - unused */
-  	0,	/* Slot 8  - unused */
-  	0,	/* Slot 9  - unused */
-  	0,	/* Slot 10 - unused */
-  	0,	/* Slot 11 - unused */
-  	3,	/* Slot 12 - SCSI */
-  	0,	/* Slot 13 - unused */
-  	1,	/* Slot 14 - Ethernet */
-  	0,	/* Slot 15 - unused */
-};
-
-static char Genesis_pci_IRQ_routes[] __prepdata =
-{
-   	0,	/* Line 0 - Unused */
-   	10,	/* Line 1 */
-   	11,	/* Line 2 */
-   	14,	/* Line 3 */
-   	15	/* Line 4 */
-};
-   
-static char Genesis2_pci_IRQ_map[23] __prepdata =
-{
-	0,	/* Slot 0  - unused */
-	0,	/* Slot 1  - unused */
-	0,	/* Slot 2  - unused */
-	0,	/* Slot 3  - unused */
-	0,	/* Slot 4  - unused */
-	0,	/* Slot 5  - unused */
-	0,	/* Slot 6  - unused */
-	0,	/* Slot 7  - unused */
-	0,	/* Slot 8  - unused */
-	0,	/* Slot 9  - unused */
-	0,	/* Slot 10 - Ethernet */
-	0,	/* Slot 11 - Universe PCI - VME Bridge */
-	3,	/* Slot 12 - unused */
-	0,	/* Slot 13 - unused */
-	2,	/* Slot 14 - SCSI */
-	0,	/* Slot 15 - unused */
-	9,	/* Slot 16 - PMC 1 */
-	12,	/* Slot 17 - pci */
-	11,	/* Slot 18 - pci */
-	10,	/* Slot 19 - pci */
-	0,	/* Slot 20 - pci */
-	0,	/* Slot 21 - unused */
-	0,	/* Slot 22 - unused */
-};
-
-/* Motorola Series-E */
-static char Comet_pci_IRQ_map[23] __prepdata =
-{
-  	0,	/* Slot 0  - unused */
-  	0,	/* Slot 1  - unused */
-  	0,	/* Slot 2  - unused */
-  	0,	/* Slot 3  - unused */
-  	0,	/* Slot 4  - unused */
-  	0,	/* Slot 5  - unused */
-  	0,	/* Slot 6  - unused */
-  	0,	/* Slot 7  - unused */
-  	0,	/* Slot 8  - unused */
-  	0,	/* Slot 9  - unused */
-  	0,	/* Slot 10 - unused */
-  	0,	/* Slot 11 - unused */
-  	3,	/* Slot 12 - SCSI */
-  	0,	/* Slot 13 - unused */
-  	1,	/* Slot 14 - Ethernet */
-  	0,	/* Slot 15 - unused */
-	1,	/* Slot 16 - PCI slot 1 */
-	2,	/* Slot 17 - PCI slot 2 */
-	3,	/* Slot 18 - PCI slot 3 */
-	4,	/* Slot 19 - PCI bridge */
-	0,
-	0,
-	0,
-};
-
-static char Comet_pci_IRQ_routes[] __prepdata =
-{
-   	0,	/* Line 0 - Unused */
-   	10,	/* Line 1 */
-   	11,	/* Line 2 */
-   	14,	/* Line 3 */
-   	15	/* Line 4 */
-};
-
-/* Motorola Series-EX */
-static char Comet2_pci_IRQ_map[23] __prepdata =
-{
-	0,	/* Slot 0  - unused */
-	0,	/* Slot 1  - unused */
-	3,	/* Slot 2  - SCSI - NCR825A */
-	0,	/* Slot 3  - unused */
-	1,	/* Slot 4  - Ethernet - DEC2104X */
-	0,	/* Slot 5  - unused */
-	1,	/* Slot 6  - PCI slot 1 */
-	2,	/* Slot 7  - PCI slot 2 */
-	3,	/* Slot 8  - PCI slot 3 */
-	4,	/* Slot 9  - PCI bridge  */
-	0,	/* Slot 10 - unused */
-	0,	/* Slot 11 - unused */
-	3,	/* Slot 12 - SCSI - NCR825A */
-	0,	/* Slot 13 - unused */
-	1,	/* Slot 14 - Ethernet - DEC2104X */
-	0,	/* Slot 15 - unused */
-	1,	/* Slot 16 - PCI slot 1 */
-	2,	/* Slot 17 - PCI slot 2 */
-	3,	/* Slot 18 - PCI slot 3 */
-	4,	/* Slot 19 - PCI bridge */
-	0,
-	0,
-	0,
-};
-
-static char Comet2_pci_IRQ_routes[] __prepdata =
-{
-	0,	/* Line 0 - Unused */
-	10,	/* Line 1 */
-	11,	/* Line 2 */
-	14,	/* Line 3 */
-	15,	/* Line 4 */
-};
-
-/*
- * ibm 830 (and 850?).
- * This is actually based on the Carolina motherboard
- * -- Cort
- */
-static char ibm8xx_pci_IRQ_map[23] __prepdata = {
-        0, /* Slot 0  - unused */
-        0, /* Slot 1  - unused */
-        0, /* Slot 2  - unused */
-        0, /* Slot 3  - unused */
-        0, /* Slot 4  - unused */
-        0, /* Slot 5  - unused */
-        0, /* Slot 6  - unused */
-        0, /* Slot 7  - unused */
-        0, /* Slot 8  - unused */
-        0, /* Slot 9  - unused */
-        0, /* Slot 10 - unused */
-        0, /* Slot 11 - FireCoral */
-        4, /* Slot 12 - Ethernet  PCIINTD# */
-        2, /* Slot 13 - PCI Slot #2 */
-        2, /* Slot 14 - S3 Video PCIINTD# */
-        0, /* Slot 15 - onboard SCSI (INDI) [1] */
-        3, /* Slot 16 - NCR58C810 RS6000 Only PCIINTC# */
-        0, /* Slot 17 - unused */
-        2, /* Slot 18 - PCI Slot 2 PCIINTx# (See below) */
-        0, /* Slot 19 - unused */
-        0, /* Slot 20 - unused */
-        0, /* Slot 21 - unused */
-        2, /* Slot 22 - PCI slot 1 PCIINTx# (See below) */
-};
-
-static char ibm8xx_pci_IRQ_routes[] __prepdata = {
-        0,      /* Line 0 - unused */
-        15,     /* Line 1 */
-        15,     /* Line 2 */
-        15,     /* Line 3 */
-        15,     /* Line 4 */
-};
-
-/*
- * a 6015 ibm board
- * -- Cort
- */
-static char ibm6015_pci_IRQ_map[23] __prepdata = {
-        0, /* Slot 0  - unused */
-        0, /* Slot 1  - unused */
-        0, /* Slot 2  - unused */
-        0, /* Slot 3  - unused */
-        0, /* Slot 4  - unused */
-        0, /* Slot 5  - unused */
-        0, /* Slot 6  - unused */
-        0, /* Slot 7  - unused */
-        0, /* Slot 8  - unused */
-        0, /* Slot 9  - unused */
-        0, /* Slot 10 - unused */
-        0, /* Slot 11 -  */
-        1, /* Slot 12 - SCSI */
-        2, /* Slot 13 -  */
-        2, /* Slot 14 -  */
-        1, /* Slot 15 -  */
-        1, /* Slot 16 -  */
-        0, /* Slot 17 -  */
-        2, /* Slot 18 -  */
-        0, /* Slot 19 -  */
-        0, /* Slot 20 -  */
-        0, /* Slot 21 -  */
-        2, /* Slot 22 -  */
-};
-
-static char ibm6015_pci_IRQ_routes[] __prepdata = {
-        0,      /* Line 0 - unused */
-        13,     /* Line 1 */
-        15,     /* Line 2 */
-        15,     /* Line 3 */
-        15,     /* Line 4 */
-};
-
-
-/* IBM Nobis and Thinkpad 850 */
-static char Nobis_pci_IRQ_map[23] __prepdata ={
-        0, /* Slot 0  - unused */
-        0, /* Slot 1  - unused */
-        0, /* Slot 2  - unused */
-        0, /* Slot 3  - unused */
-        0, /* Slot 4  - unused */
-        0, /* Slot 5  - unused */
-        0, /* Slot 6  - unused */
-        0, /* Slot 7  - unused */
-        0, /* Slot 8  - unused */
-        0, /* Slot 9  - unused */
-        0, /* Slot 10 - unused */
-        0, /* Slot 11 - unused */
-        3, /* Slot 12 - SCSI */
-        0, /* Slot 13 - unused */
-        0, /* Slot 14 - unused */
-        0, /* Slot 15 - unused */
-};
-
-static char Nobis_pci_IRQ_routes[] __prepdata = {
-        0, /* Line 0 - Unused */
-        13, /* Line 1 */
-        13, /* Line 2 */
-        13, /* Line 3 */
-        13      /* Line 4 */
-};
-
-/*
- * IBM RS/6000 43p/140  -- paulus
- * XXX we should get all this from the residual data
- */
-static char ibm43p_pci_IRQ_map[23] __prepdata = {
-        0, /* Slot 0  - unused */
-        0, /* Slot 1  - unused */
-        0, /* Slot 2  - unused */
-        0, /* Slot 3  - unused */
-        0, /* Slot 4  - unused */
-        0, /* Slot 5  - unused */
-        0, /* Slot 6  - unused */
-        0, /* Slot 7  - unused */
-        0, /* Slot 8  - unused */
-        0, /* Slot 9  - unused */
-        0, /* Slot 10 - unused */
-        0, /* Slot 11 - FireCoral ISA bridge */
-        6, /* Slot 12 - Ethernet  */
-        0, /* Slot 13 - openpic */
-        0, /* Slot 14 - unused */
-        0, /* Slot 15 - unused */
-        7, /* Slot 16 - NCR58C825a onboard scsi */
-        0, /* Slot 17 - unused */
-        2, /* Slot 18 - PCI Slot 2 PCIINTx# (See below) */
-        0, /* Slot 19 - unused */
-        0, /* Slot 20 - unused */
-        0, /* Slot 21 - unused */
-        1, /* Slot 22 - PCI slot 1 PCIINTx# (See below) */
-};
-
-static char ibm43p_pci_IRQ_routes[] __prepdata = {
-        0,      /* Line 0 - unused */
-        15,     /* Line 1 */
-        15,     /* Line 2 */
-        15,     /* Line 3 */
-        15,     /* Line 4 */
-};
-
-/* Motorola PowerPlus architecture PCI IRQ tables */
-/* Interrupt line values for INTA-D on primary/secondary MPIC inputs */
-
-struct powerplus_irq_list
-{
-	unsigned char primary[4];       /* INT A-D */
-	unsigned char secondary[4];     /* INT A-D */
-};
-
-/*
- * For standard PowerPlus boards, bus 0 PCI INTs A-D are routed to
- * OpenPIC inputs 9-12.  PCI INTs A-D from the on board P2P bridge
- * are routed to OpenPIC inputs 5-8.  These values are offset by
- * 16 in the table to reflect the Linux kernel interrupt value.
- */
-struct powerplus_irq_list Powerplus_pci_IRQ_list __prepdata =
-{
-	{25, 26, 27, 28},
-	{21, 22, 23, 24}
-};
-
-/*
- * For the MCP750 (system slot board), cPCI INTs A-D are routed to
- * OpenPIC inputs 8-11 and the PMC INTs A-D are routed to OpenPIC
- * input 3.  On a hot swap MCP750, the companion card PCI INTs A-D
- * are routed to OpenPIC inputs 12-15. These values are offset by
- * 16 in the table to reflect the Linux kernel interrupt value.
- */
-struct powerplus_irq_list Mesquite_pci_IRQ_list __prepdata =
-{
-	{24, 25, 26, 27},
-	{28, 29, 30, 31}
-};
-
-/*
- * This table represents the standard PCI swizzle defined in the
- * PCI bus specification.
- */
-static unsigned char prep_pci_intpins[4][4] __prepdata =
-{
-	{ 1, 2, 3, 4},  /* Buses 0, 4, 8, ... */
-	{ 2, 3, 4, 1},  /* Buses 1, 5, 9, ... */
-	{ 3, 4, 1, 2},  /* Buses 2, 6, 10 ... */
-	{ 4, 1, 2, 3},  /* Buses 3, 7, 11 ... */
-};
-
-/* We have to turn on LEVEL mode for changed IRQ's */
-/* All PCI IRQ's need to be level mode, so this should be something
- * other than hard-coded as well... IRQ's are individually mappable
- * to either edge or level.
- */
-
-/*
- * 8259 edge/level control definitions
- */
-#define ISA8259_M_ELCR 0x4d0
-#define ISA8259_S_ELCR 0x4d1
-
-#define ELCRS_INT15_LVL         0x80
-#define ELCRS_INT14_LVL         0x40
-#define ELCRS_INT12_LVL         0x10
-#define ELCRS_INT11_LVL         0x08
-#define ELCRS_INT10_LVL         0x04
-#define ELCRS_INT9_LVL          0x02
-#define ELCRS_INT8_LVL          0x01
-#define ELCRM_INT7_LVL          0x80
-#define ELCRM_INT5_LVL          0x20
-
-#define CFGPTR(dev) (0x80800000 | (1<<(dev>>3)) | ((dev&7)<<8) | offset)
-#define DEVNO(dev)  (dev>>3)                                  
-
-#define cfg_read(val, addr, type, op)	*val = op((type)(addr))
-#define cfg_write(val, addr, type, op)	op((type *)(addr), (val))
-
-#define cfg_read_bad(val, size)		*val = bad_##size;
-#define cfg_write_bad(val, size)
-
-#define bad_byte	0xff
-#define bad_word	0xffff
-#define bad_dword	0xffffffffU
-
-#define PREP_PCI_OP(rw, size, type, op)					\
-static int __prep							\
-prep_##rw##_config_##size(struct pci_dev *dev, int offset, type val)	\
-{									\
-	if ((dev->bus->number != 0) || (DEVNO(dev->devfn) > MAX_DEVNR))	\
-	{                   						\
-		cfg_##rw##_bad(val, size)				\
-		return PCIBIOS_DEVICE_NOT_FOUND;    			\
-	}								\
-	cfg_##rw(val, CFGPTR(dev->devfn), type, op);			\
-	return PCIBIOS_SUCCESSFUL;					\
-}
-
-PREP_PCI_OP(read, byte, u8 *, in_8)
-PREP_PCI_OP(read, word, u16 *, in_le16)
-PREP_PCI_OP(read, dword, u32 *, in_le32)
-PREP_PCI_OP(write, byte, u8, out_8)
-PREP_PCI_OP(write, word, u16, out_le16)
-PREP_PCI_OP(write, dword, u32, out_le32)
-
-static struct pci_ops prep_pci_ops =
-{
-	prep_read_config_byte,
-	prep_read_config_word,
-	prep_read_config_dword,
-	prep_write_config_byte,
-	prep_write_config_word,
-	prep_write_config_dword
-};
-
-#define MOTOROLA_CPUTYPE_REG	0x800
-#define MOTOROLA_BASETYPE_REG	0x803
-#define MPIC_RAVEN_ID		0x48010000
-#define	MPIC_HAWK_ID		0x48030000
-#define	MOT_PROC2_BIT		0x800
-
-static u_char mvme2600_openpic_initsenses[] __initdata = {
-    1,	/* MVME2600_INT_SIO */
-    0,	/* MVME2600_INT_FALCN_ECC_ERR */
-    1,	/* MVME2600_INT_PCI_ETHERNET */
-    1,	/* MVME2600_INT_PCI_SCSI */
-    1,	/* MVME2600_INT_PCI_GRAPHICS */
-    1,	/* MVME2600_INT_PCI_VME0 */
-    1,	/* MVME2600_INT_PCI_VME1 */
-    1,	/* MVME2600_INT_PCI_VME2 */
-    1,	/* MVME2600_INT_PCI_VME3 */
-    1,	/* MVME2600_INT_PCI_INTA */
-    1,	/* MVME2600_INT_PCI_INTB */
-    1,	/* MVME2600_INT_PCI_INTC */
-    1,	/* MVME2600_INT_PCI_INTD */
-    1,	/* MVME2600_INT_LM_SIG0 */
-    1,	/* MVME2600_INT_LM_SIG1 */
-};
-
-#define MOT_RAVEN_PRESENT	0x1
-#define MOT_HAWK_PRESENT	0x2
-
-int mot_entry = -1;
-int prep_keybd_present = 1;
-int MotMPIC;
-int mot_multi;
-
-int __init
-raven_init(void)
-{
-	unsigned int	devid;
-	unsigned int	pci_membase;
-	unsigned char	base_mod;
-
-	/* Check to see if the Raven chip exists. */
-	if ( _prep_type != _PREP_Motorola) {
-		OpenPIC_Addr = NULL;
-		return 0;
-	}
-
-	/* Check to see if this board is a type that might have a Raven. */
-	if ((inb(MOTOROLA_CPUTYPE_REG) & 0xF0) != 0xE0) {
-		OpenPIC_Addr = NULL;
-		return 0;
-	}
-
-	/* Check the first PCI device to see if it is a Raven. */
-	early_read_config_dword(0, 0, 0, PCI_VENDOR_ID, &devid);
-
-	switch (devid & 0xffff0000) {
-	case MPIC_RAVEN_ID:
-		MotMPIC = MOT_RAVEN_PRESENT;
-		break;
-	case MPIC_HAWK_ID:
-		MotMPIC = MOT_HAWK_PRESENT;
-		break;
-	default:
-		OpenPIC_Addr = NULL;
-		return 0;
-	}
-
-
-	/* Read the memory base register. */
-	early_read_config_dword(0, 0, 0, PCI_BASE_ADDRESS_1, &pci_membase);
-
-	if (pci_membase == 0) {
-		OpenPIC_Addr = NULL;
-		return 0;
-	}
-
-	/* Map the Raven MPIC registers to virtual memory. */
-	OpenPIC_Addr = ioremap(pci_membase+0xC0000000, 0x22000);
-
-	OpenPIC_InitSenses = mvme2600_openpic_initsenses;
-	OpenPIC_NumInitSenses = sizeof(mvme2600_openpic_initsenses);
-
-	ppc_md.get_irq = openpic_get_irq;
-	
-	/* If raven is present on Motorola store the system config register
-	 * for later use.
-	 */
-	ProcInfo = (unsigned long *)ioremap(0xfef80400, 4);
-
-	/* Indicate to system if this is a multiprocessor board */
-	if (!(*ProcInfo & MOT_PROC2_BIT)) {
-		mot_multi = 1;
-	}
-
-	/* This is a hack.  If this is a 2300 or 2400 mot board then there is
-	 * no keyboard controller and we have to indicate that.
-	 */
-	base_mod = inb(MOTOROLA_BASETYPE_REG);
-	if ((MotMPIC == MOT_HAWK_PRESENT) || (base_mod == 0xF9) ||
-	    (base_mod == 0xFA) || (base_mod == 0xE1))
-		prep_keybd_present = 0;
-
-	return 1;
-}
-
-struct mot_info {
-	int		cpu_type;	/* 0x100 mask assumes for Raven and Hawk boards that the level/edge are set */
-					/* 0x200 if this board has a Hawk chip. */
-	int		base_type;
-	int		max_cpu;	/* ored with 0x80 if this board should be checked for multi CPU */
-	const char	*name;
-	unsigned char	*map;
-	unsigned char	*routes;
-	void            (*map_non0_bus)(struct pci_dev *);      /* For boards with more than bus 0 devices. */
-	struct powerplus_irq_list *pci_irq_list; /* List of PCI MPIC inputs */
-	unsigned char   secondary_bridge_devfn; /* devfn of secondary bus transparent bridge */
-} mot_info[] __prepdata = {
-	{0x300, 0x00, 0x00, "MVME 2400",			Genesis2_pci_IRQ_map,	Raven_pci_IRQ_routes, Powerplus_Map_Non0, &Powerplus_pci_IRQ_list, 0xFF},
-	{0x010, 0x00, 0x00, "Genesis",				Genesis_pci_IRQ_map,	Genesis_pci_IRQ_routes, Powerplus_Map_Non0, &Powerplus_pci_IRQ_list, 0x00},
-	{0x020, 0x00, 0x00, "Powerstack (Series E)",		Comet_pci_IRQ_map,	Comet_pci_IRQ_routes, NULL, NULL, 0x00},
-	{0x040, 0x00, 0x00, "Blackhawk (Powerstack)",		Blackhawk_pci_IRQ_map,	Blackhawk_pci_IRQ_routes, NULL, NULL, 0x00},
-	{0x050, 0x00, 0x00, "Omaha (PowerStack II Pro3000)",	Omaha_pci_IRQ_map,	Omaha_pci_IRQ_routes, NULL, NULL, 0x00},
-	{0x060, 0x00, 0x00, "Utah (Powerstack II Pro4000)",	Utah_pci_IRQ_map,	Utah_pci_IRQ_routes, NULL, NULL, 0x00},
-	{0x0A0, 0x00, 0x00, "Powerstack (Series EX)",		Comet2_pci_IRQ_map,	Comet2_pci_IRQ_routes, NULL, NULL, 0x00},
-	{0x1E0, 0xE0, 0x00, "Mesquite cPCI (MCP750)",		Mesquite_pci_IRQ_map,	Raven_pci_IRQ_routes, Powerplus_Map_Non0, &Mesquite_pci_IRQ_list, 0xFF},
-	{0x1E0, 0xE1, 0x00, "Sitka cPCI (MCPN750)",		Sitka_pci_IRQ_map,	Raven_pci_IRQ_routes, Powerplus_Map_Non0, &Powerplus_pci_IRQ_list, 0xFF},
-	{0x1E0, 0xE2, 0x00, "Mesquite cPCI (MCP750) w/ HAC",	Mesquite_pci_IRQ_map,	Raven_pci_IRQ_routes, Powerplus_Map_Non0, &Mesquite_pci_IRQ_list, 0xC0},
-	{0x1E0, 0xF6, 0x80, "MTX Plus",				MTXplus_pci_IRQ_map,	Raven_pci_IRQ_routes, Powerplus_Map_Non0, &Powerplus_pci_IRQ_list, 0xA0},
-	{0x1E0, 0xF6, 0x81, "Dual MTX Plus",			MTXplus_pci_IRQ_map,	Raven_pci_IRQ_routes, Powerplus_Map_Non0, &Powerplus_pci_IRQ_list, 0xA0},
-	{0x1E0, 0xF7, 0x80, "MTX wo/ Parallel Port",		MTX_pci_IRQ_map,	Raven_pci_IRQ_routes, Powerplus_Map_Non0, &Powerplus_pci_IRQ_list, 0x00},
-	{0x1E0, 0xF7, 0x81, "Dual MTX wo/ Parallel Port",	MTX_pci_IRQ_map,	Raven_pci_IRQ_routes, Powerplus_Map_Non0, &Powerplus_pci_IRQ_list, 0x00},
-	{0x1E0, 0xF8, 0x80, "MTX w/ Parallel Port",		MTX_pci_IRQ_map,	Raven_pci_IRQ_routes, Powerplus_Map_Non0, &Powerplus_pci_IRQ_list, 0x00},
-	{0x1E0, 0xF8, 0x81, "Dual MTX w/ Parallel Port",	MTX_pci_IRQ_map,	Raven_pci_IRQ_routes, Powerplus_Map_Non0, &Powerplus_pci_IRQ_list, 0x00},
-	{0x1E0, 0xF9, 0x00, "MVME 2300",			Genesis2_pci_IRQ_map,	Raven_pci_IRQ_routes, Powerplus_Map_Non0, &Powerplus_pci_IRQ_list, 0xFF},
-	{0x1E0, 0xFA, 0x00, "MVME 2300SC/2600",			Genesis2_pci_IRQ_map,	Raven_pci_IRQ_routes, Powerplus_Map_Non0, &Powerplus_pci_IRQ_list, 0xFF},
-	{0x1E0, 0xFB, 0x00, "MVME 2600 with MVME712M",		Genesis2_pci_IRQ_map,	Raven_pci_IRQ_routes, Powerplus_Map_Non0, &Powerplus_pci_IRQ_list, 0xFF},
-	{0x1E0, 0xFC, 0x00, "MVME 2600/2700 with MVME761",	Genesis2_pci_IRQ_map,	Raven_pci_IRQ_routes, Powerplus_Map_Non0, &Powerplus_pci_IRQ_list, 0xFF},
-	{0x1E0, 0xFD, 0x80, "MVME 3600 with MVME712M",		Genesis2_pci_IRQ_map,	Raven_pci_IRQ_routes, Powerplus_Map_Non0, &Powerplus_pci_IRQ_list, 0x00},
-	{0x1E0, 0xFD, 0x81, "MVME 4600 with MVME712M",		Genesis2_pci_IRQ_map,	Raven_pci_IRQ_routes, Powerplus_Map_Non0, &Powerplus_pci_IRQ_list, 0xFF},
-	{0x1E0, 0xFE, 0x80, "MVME 3600 with MVME761",		Genesis2_pci_IRQ_map,	Raven_pci_IRQ_routes, Powerplus_Map_Non0, &Powerplus_pci_IRQ_list, 0xFF},
-	{0x1E0, 0xFE, 0x81, "MVME 4600 with MVME761",		Genesis2_pci_IRQ_map,	Raven_pci_IRQ_routes, Powerplus_Map_Non0, &Powerplus_pci_IRQ_list, 0xFF},
-	{0x1E0, 0xFF, 0x00, "MVME 1600-001 or 1600-011",	Genesis2_pci_IRQ_map,	Raven_pci_IRQ_routes, Powerplus_Map_Non0, &Powerplus_pci_IRQ_list, 0xFF},
-	{0x000, 0x00, 0x00, "",					NULL,			NULL, NULL, NULL, 0x00}
-};
-
-void __init
-ibm_prep_init(void)
-{
-	u32 addr;
-#ifdef CONFIG_PREP_RESIDUAL
-	PPC_DEVICE *mpic;
-#endif
-
-	if (inb(0x0852) == 0xd5) {
-		/* This is for the 43p-140 */
-		early_read_config_dword(0, 0, PCI_DEVFN(13, 0),
-					PCI_BASE_ADDRESS_0, &addr);
-		if (addr != 0xffffffff
-		    && !(addr & PCI_BASE_ADDRESS_SPACE_IO)
-		    && (addr &= PCI_BASE_ADDRESS_MEM_MASK) != 0) {
-			addr += PREP_ISA_MEM_BASE;
-			OpenPIC_Addr = ioremap(addr, 0x40000);
-			ppc_md.get_irq = openpic_get_irq;
-		}
-	}
-
-#ifdef CONFIG_PREP_RESIDUAL
-	mpic = residual_find_device(-1, NULL, SystemPeripheral,
-				    ProgrammableInterruptController, MPIC, 0);
-	if (mpic != NULL)
-		printk("mpic = %p\n", mpic);
-#endif
-}
-
-static void __init
-ibm43p_pci_map_non0(struct pci_dev *dev)
-{
-	unsigned char intpin;
-	static unsigned char bridge_intrs[4] = { 3, 4, 5, 8 };
-
-	if (dev == NULL)
-		return;
-	pci_read_config_byte(dev, PCI_INTERRUPT_PIN, &intpin);
-	if (intpin < 1 || intpin > 4)
-		return;
-	intpin = (PCI_SLOT(dev->devfn) + intpin - 1) & 3;
-	dev->irq = openpic_to_irq(bridge_intrs[intpin]);
-	pci_write_config_byte(dev, PCI_INTERRUPT_LINE, dev->irq);
-}
-
-void __init
-prep_route_pci_interrupts(void)
-{
-	unsigned char *ibc_pirq = (unsigned char *)0x80800860;
-	unsigned char *ibc_pcicon = (unsigned char *)0x80800840;
-	int i;
-	
-	if ( _prep_type == _PREP_Motorola)
-	{
-		unsigned short irq_mode;
-		unsigned char  cpu_type;
-		unsigned char  base_mod;
-		int	       entry;
-
-		cpu_type = inb(MOTOROLA_CPUTYPE_REG) & 0xF0;
-		base_mod = inb(MOTOROLA_BASETYPE_REG);
-
-		for (entry = 0; mot_info[entry].cpu_type != 0; entry++) {
-			if (mot_info[entry].cpu_type & 0x200) {		 	/* Check for Hawk chip */
-				if (!(MotMPIC & MOT_HAWK_PRESENT))
-					continue;
-			} else {						/* Check non hawk boards */
-				if ((mot_info[entry].cpu_type & 0xff) != cpu_type)
-					continue;
-
-				if (mot_info[entry].base_type == 0) {
-					mot_entry = entry;
-					break;
-				}
-
-				if (mot_info[entry].base_type != base_mod)
-					continue;
-			}
-
-			if (!(mot_info[entry].max_cpu & 0x80)) {
-				mot_entry = entry;
-				break;
-			}
-
-			/* processor 1 not present and max processor zero indicated */
-			if ((*ProcInfo & MOT_PROC2_BIT) && !(mot_info[entry].max_cpu & 0x7f)) {
-				mot_entry = entry;
-				break;
-			}
-
-			/* processor 1 present and max processor zero indicated */
-			if (!(*ProcInfo & MOT_PROC2_BIT) && (mot_info[entry].max_cpu & 0x7f)) {
-				mot_entry = entry;
-				break;
-			}
-		}
-
-		if (mot_entry == -1) 	/* No particular cpu type found - assume Blackhawk */
-			mot_entry = 3;
-
-		Motherboard_map_name = (unsigned char *)mot_info[mot_entry].name;
-		Motherboard_map = mot_info[mot_entry].map;
-		Motherboard_routes = mot_info[mot_entry].routes;
-		Motherboard_non0 = mot_info[mot_entry].map_non0_bus;
-
-		if (!(mot_info[entry].cpu_type & 0x100)) {
-			/* AJF adjust level/edge control according to routes */
-			irq_mode = 0;
-			for (i = 1;  i <= 4;  i++)
-				irq_mode |= ( 1 << Motherboard_routes[i] );
-			outb( irq_mode & 0xff, 0x4d0 );
-			outb( (irq_mode >> 8) & 0xff, 0x4d1 );
-		}
-	} else if ( _prep_type == _PREP_IBM ) {
-		unsigned char planar_id = inb(0x0852);
-		unsigned char irq_edge_mask_lo, irq_edge_mask_hi;
-
-		printk("IBM ID: %08x\n", planar_id);
-		switch(planar_id) {
-		case 0xff:
-			Motherboard_map_name = "IBM Thinkpad 850/860";
-			Motherboard_map = Nobis_pci_IRQ_map;
-			Motherboard_routes = Nobis_pci_IRQ_routes;
-			irq_edge_mask_lo = 0x00; /* irq's 0-7 all edge-triggered */
-			irq_edge_mask_hi = 0xA0; /* irq's 13, 15 level-triggered */
-			break;
-		case 0xfc:
-			Motherboard_map_name = "IBM 6015/7020 (Sandalfoot/Sandalbow)";
-			Motherboard_map = ibm6015_pci_IRQ_map;
-			Motherboard_routes = ibm6015_pci_IRQ_routes;
-			irq_edge_mask_lo = 0x00; /* irq's 0-7 all edge-triggered */
-			irq_edge_mask_hi = 0xA0; /* irq's 13, 15 level-triggered */
-			break;
-		case 0xd5:
-			Motherboard_map_name = "IBM 43P-140 (Tiger1)";
-			Motherboard_map = ibm43p_pci_IRQ_map;
-			Motherboard_routes = ibm43p_pci_IRQ_routes;
-			Motherboard_non0 = ibm43p_pci_map_non0;
-			irq_edge_mask_lo = 0x00; /* irq's 0-7 all edge-triggered */
-			irq_edge_mask_hi = 0xA0; /* irq's 13, 15 level-triggered */
-			break;
-		default:
-			printk(KERN_ERR "Unknown IBM motherboard! Defaulting to Carolina.\n");
-		case 0xf0: /* PowerSeries 830/850 */
-		case 0xf1: /* PowerSeries 830/850 */
-		case 0xf2: /* PowerSeries 830/850 */
-		case 0xf4: /* 7248-43P */
-		case 0xf5: /* 7248-43P */
-		case 0xf6: /* 7248-43P */
-		case 0xf7: /* 7248-43P (missing from Carolina Tech Spec) */
-			Motherboard_map_name = "IBM PS830/PS850/7248 (Carolina)";
-			Motherboard_map = ibm8xx_pci_IRQ_map;
-			Motherboard_routes = ibm8xx_pci_IRQ_routes;
-			irq_edge_mask_lo = 0x00; /* irq's 0-7 all edge-triggered */
-			irq_edge_mask_hi = 0xA4; /* irq's 10, 13, 15 level-triggered */
-			break;
-		}
-
-		outb(inb(0x04d0)|irq_edge_mask_lo, 0x04d0); /* primary 8259 */
-		outb(inb(0x04d1)|irq_edge_mask_hi, 0x04d1); /* cascaded 8259 */
-	} else {
-		printk("No known machine pci routing!\n");
-		return;
-	}
-	
-	/* Set up mapping from slots */
-	for (i = 1;  i <= 4;  i++)
-		ibc_pirq[i-1] = Motherboard_routes[i];
-	/* Enable PCI interrupts */
-	*ibc_pcicon |= 0x20;
-}
-
-void __init
-prep_pib_init(void)
-{
-	unsigned char   reg;
-	unsigned short  short_reg;
-
-	struct pci_dev *dev = NULL;
-
-	if (( _prep_type == _PREP_Motorola) && (OpenPIC_Addr)) {
-		/*
-		 * Perform specific configuration for the Via Tech or
-		 * or Winbond PCI-ISA-Bridge part.
-		 */
-		if ((dev = pci_find_device(PCI_VENDOR_ID_VIA, 
-					PCI_DEVICE_ID_VIA_82C586_1, dev))) {
-			/*
-			 * PPCBUG does not set the enable bits
-			 * for the IDE device. Force them on here.
-			 */
-			pci_read_config_byte(dev, 0x40, &reg);
-
-			reg |= 0x03; /* IDE: Chip Enable Bits */
-			pci_write_config_byte(dev, 0x40, reg);
-		}
-		if ((dev = pci_find_device(PCI_VENDOR_ID_VIA,
-						PCI_DEVICE_ID_VIA_82C586_2,
-						dev)) && (dev->devfn = 0x5a)) {
-			/* Force correct USB interrupt */
-			dev->irq = 11;
-			pci_write_config_byte(dev,
-					PCI_INTERRUPT_LINE,
-					dev->irq);
-		}
-		if ((dev = pci_find_device(PCI_VENDOR_ID_WINBOND,
-					PCI_DEVICE_ID_WINBOND_83C553, dev))) {
-			 /* Clear PCI Interrupt Routing Control Register. */
-			short_reg = 0x0000;
-			pci_write_config_word(dev, 0x44, short_reg);
-			if (OpenPIC_Addr){
-				/* Route IDE interrupts to IRQ 14 */
-				reg = 0xEE;
-				pci_write_config_byte(dev, 0x43, reg);
-			}
-		}
-	}
-
-	if ((dev = pci_find_device(PCI_VENDOR_ID_WINBOND,
-				   PCI_DEVICE_ID_WINBOND_82C105, dev))){
-		if (OpenPIC_Addr){
-			/*
-			 * Disable LEGIRQ mode so PCI INTS are routed
-			 * directly to the 8259 and enable both channels
-			 */
-			pci_write_config_dword(dev, 0x40, 0x10ff0033);
-
-			/* Force correct IDE interrupt */
-			dev->irq = 14;
-			pci_write_config_byte(dev,
-					PCI_INTERRUPT_LINE,
-					dev->irq);
-		} else {
-			/* Enable LEGIRQ for PCI INT -> 8259 IRQ routing */
-			pci_write_config_dword(dev, 0x40, 0x10ff08a1);
-		}
-	}
-}
-
-static void __init
-Powerplus_Map_Non0(struct pci_dev *dev)
-{
-	struct pci_bus  *pbus;          /* Parent bus structure pointer */
-	struct pci_dev  *tdev = dev;    /* Temporary device structure */
-	unsigned int    devnum;         /* Accumulated device number */
-	unsigned char   intline;        /* Linux interrupt value */
-	unsigned char   intpin;         /* PCI interrupt pin */
-
-	/* Check for valid PCI dev pointer */
-	if (dev == NULL) return;
-
-	/* Initialize bridge IDSEL variable */
-	devnum = PCI_SLOT(tdev->devfn);
-
-	/* Read the interrupt pin of the device and adjust for indexing */
-	pcibios_read_config_byte(dev->bus->number, dev->devfn,
-			PCI_INTERRUPT_PIN, &intpin);
-
-	/* If device doesn't request an interrupt, return */
-	if ( (intpin < 1) || (intpin > 4) )
-		return;
-
-	intpin--;
-
-	/*
-	 * Walk up to bus 0, adjusting the interrupt pin for the standard
-	 * PCI bus swizzle.
-	 */
-	do {
-		intpin = (prep_pci_intpins[devnum % 4][intpin]) - 1;
-		pbus = tdev->bus;        /* up one level */
-		tdev = pbus->self;
-		devnum = PCI_SLOT(tdev->devfn);
-	} while(tdev->bus->number);
-
-	/* Use the primary interrupt inputs by default */
-	intline = mot_info[mot_entry].pci_irq_list->primary[intpin];
-
-	/*
-	 * If the board has secondary interrupt inputs, walk the bus and
-	 * note the devfn of the bridge from bus 0.  If it is the same as
-	 * the devfn of the bus bridge with secondary inputs, use those.
-	 * Otherwise, assume it's a PMC site and get the interrupt line
-	 * value from the interrupt routing table.
-	 */ 
-	if (mot_info[mot_entry].secondary_bridge_devfn) {
-		pbus = dev->bus;
-
-		while (pbus->primary != 0)
-			pbus = pbus->parent;
-
-		if ((pbus->self)->devfn != 0xA0) {
-			if ((pbus->self)->devfn == mot_info[mot_entry].secondary_bridge_devfn)
-				intline = mot_info[mot_entry].pci_irq_list->secondary[intpin];
-			else {
-				if ((char *)(mot_info[mot_entry].map) == (char *)Mesquite_pci_IRQ_map)
-					intline = mot_info[mot_entry].map[((pbus->self)->devfn)/8] + 16;
-				else {
-					int i;
-					for (i=0;i<3;i++)
-						intpin = (prep_pci_intpins[devnum % 4][intpin]) - 1;
-					intline = mot_info[mot_entry].pci_irq_list->primary[intpin];
-				}
-			}
-		}
-	}
-
-	/* Write calculated interrupt value to header and device list */
-	dev->irq = intline;
-	pci_write_config_byte(dev, PCI_INTERRUPT_LINE, (u8)dev->irq);
-}
-
-void __init
-prep_pcibios_fixup(void)
-{
-        struct pci_dev *dev;
-        extern unsigned char *Motherboard_map;
-        extern unsigned char *Motherboard_routes;
-        unsigned char i;
-
-	prep_route_pci_interrupts();
-
-	printk("Setting PCI interrupts for a \"%s\"\n", Motherboard_map_name);
-	if (OpenPIC_Addr) {
-		/* PCI interrupts are controlled by the OpenPIC */
-		pci_for_each_dev(dev) {
-			if (dev->bus->number == 0) {
-                       		dev->irq = openpic_to_irq(Motherboard_map[PCI_SLOT(dev->devfn)]);
-				pcibios_write_config_byte(dev->bus->number, dev->devfn, PCI_INTERRUPT_LINE, dev->irq);
-			} else {
-				if (Motherboard_non0 != NULL)
-					Motherboard_non0(dev);
-			}
-		}
-
-		/* Setup the Winbond or Via PIB */
-		prep_pib_init();
-
-		return;
-	}
-
-	pci_for_each_dev(dev) {
-		/*
-		 * Use our old hard-coded kludge to figure out what
-		 * irq this device uses.  This is necessary on things
-		 * without residual data. -- Cort
-		 */
-		unsigned char d = PCI_SLOT(dev->devfn);
-		dev->irq = Motherboard_routes[Motherboard_map[d]];
-
-		for ( i = 0 ; i <= 5 ; i++ ) {
-			/*
-			 * Relocate PCI I/O resources if necessary so the
-			 * standard 256MB BAT covers them.
-			 */
-			if ( (pci_resource_flags(dev, i) & IORESOURCE_IO) &&
-				      (dev->resource[i].start > 0x10000000))  {
-				printk("Relocating PCI address %lx -> %lx\n",
-						dev->resource[i].start,
-						(dev->resource[i].start & 
-						 0x00FFFFFF)| 0x01000000);
-				dev->resource[i].start =
-					(dev->resource[i].start & 0x00FFFFFF)
-					| 0x01000000;
-		                pci_write_config_dword(dev,
-						PCI_BASE_ADDRESS_0 + (i*0x4),
-						dev->resource[i].start);
-				dev->resource[i].end = 
-					(dev->resource[i].end & 0x00FFFFFF)
-					| 0x01000000;
-		        }
-		}
-#if 0
-		/*
-		 * If we have residual data and if it knows about this
-		 * device ask it what the irq is.
-		 *  -- Cort
-		 */
-		ppcd = residual_find_device_id( ~0L, dev->device,
-		                                -1,-1,-1, 0);
-#endif
-	}
-}
-
-static void __init
-prep_pcibios_after_init(void)
-{
-	struct pci_dev *dev;
-	
-	/* If there is a WD 90C, reset the IO BAR to 0x0 (it started that 
-	 * way, but the PCI layer relocated it because it thought 0x0 was
-	 * invalid for a BAR).
-	 * If you don't do this, the card's VGA base will be <IO BAR>+0xc0000
-	 * instead of 0xc0000. vgacon.c (for example) is completely unaware of
-	 * this little quirk.
-	 */
-	dev = pci_find_device(PCI_VENDOR_ID_WD, PCI_DEVICE_ID_WD_90C, NULL);
-	if (dev) {
-		dev->resource[1].end -= dev->resource[1].start;
-		dev->resource[1].start = 0;
-		/* tell the hardware */
-		pci_write_config_dword(dev, PCI_BASE_ADDRESS_1, 0x0);
-	}
-}
-
-static void __init
-prep_init_resource(struct resource *res, unsigned long start,
-		   unsigned long end, int flags)
-{
-	res->flags = flags;
-	res->start = start;
-	res->end = end;
-	res->name = "PCI host bridge";
-	res->parent = NULL;
-	res->sibling = NULL;
-	res->child = NULL;
-}
-
-void __init
-prep_find_bridges(void)
-{
-	struct pci_controller* hose;
-
-	hose = pcibios_alloc_controller();
-	if (!hose)
-		return;
-
-	hose->first_busno = 0;
-	hose->last_busno = 0xff;
-	hose->pci_mem_offset = PREP_ISA_MEM_BASE;
-	hose->io_base_phys = PREP_ISA_IO_BASE;
-	hose->io_base_virt = (void *)0x80000000; /* see prep_map_io() */
-	prep_init_resource(&hose->io_resource, 0, 0x0fffffff, IORESOURCE_IO);
-	prep_init_resource(&hose->mem_resources[0], 0xc0000000, 0xfeffffff,
-			   IORESOURCE_MEM);
-	
-	printk("PReP architecture\n");
-	{
-#ifdef CONFIG_PREP_RESIDUAL	  
-		PPC_DEVICE *hostbridge;
-
-		hostbridge = residual_find_device(PROCESSORDEVICE, NULL,
-			BridgeController, PCIBridge, -1, 0);
-		if (hostbridge &&
-			hostbridge->DeviceId.Interface == PCIBridgeIndirect) {
-			PnP_TAG_PACKET * pkt;
-			pkt = PnP_find_large_vendor_packet(
-				res->DevicePnPHeap+hostbridge->AllocatedOffset,
-				3, 0);
-			if(pkt) {
-#define p pkt->L4_Pack.L4_Data.L4_PPCPack
-				setup_indirect_pci(hose, 
-					ld_le32((unsigned *) (p.PPCData)),
-					ld_le32((unsigned *) (p.PPCData+8)));
-			} else
-				setup_indirect_pci(hose, 0x80000cf8, 0x80000cfc);
-		} else
-#endif /* CONFIG_PREP_RESIDUAL */
-			hose->ops = &prep_pci_ops;
-	}
-
-	ppc_md.pcibios_fixup = prep_pcibios_fixup;
-	ppc_md.pcibios_after_init = prep_pcibios_after_init;
-}

FUNET's LINUX-ADM group, linux-adm@nic.funet.fi
TCL-scripts by Sam Shen (who was at: slshen@lbl.gov)