drivers/pci : move pci drivers to drivers/pci

Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>

1 files changed, 0 insertions, 526 deletions

diff --git a/drivers/pci.c b/drivers/pci.c
deleted file mode 100644
index 50ca6b0..0000000
--- a/drivers/pci.c
+++ /dev/null
@@ -1,526 +0,0 @@
-/*
- * (C) Copyright 2001 Sysgo Real-Time Solutions, GmbH <www.elinos.com>
- * Andreas Heppel <aheppel@sysgo.de>
- *
- * (C) Copyright 2002, 2003
- * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
- *
- * See file CREDITS for list of people who contributed to this
- * project.
- *
- * 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.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
- * MA 02111-1307 USA
- */
-
-/*
- * PCI routines
- */
-
-#include <common.h>
-
-#ifdef CONFIG_PCI
-
-#include <command.h>
-#include <asm/processor.h>
-#include <asm/io.h>
-#include <pci.h>
-
-#define PCI_HOSE_OP(rw, size, type)					\
-int pci_hose_##rw##_config_##size(struct pci_controller *hose, 		\
-				  pci_dev_t dev, 			\
-				  int offset, type value)		\
-{									\
-	return hose->rw##_##size(hose, dev, offset, value);		\
-}
-
-PCI_HOSE_OP(read, byte, u8 *)
-PCI_HOSE_OP(read, word, u16 *)
-PCI_HOSE_OP(read, dword, u32 *)
-PCI_HOSE_OP(write, byte, u8)
-PCI_HOSE_OP(write, word, u16)
-PCI_HOSE_OP(write, dword, u32)
-
-#ifndef CONFIG_IXP425
-#define PCI_OP(rw, size, type, error_code)				\
-int pci_##rw##_config_##size(pci_dev_t dev, int offset, type value)	\
-{									\
-	struct pci_controller *hose = pci_bus_to_hose(PCI_BUS(dev));	\
-									\
-	if (!hose)							\
-	{								\
-		error_code;						\
-		return -1;						\
-	}								\
-									\
-	return pci_hose_##rw##_config_##size(hose, dev, offset, value);	\
-}
-
-PCI_OP(read, byte, u8 *, *value = 0xff)
-PCI_OP(read, word, u16 *, *value = 0xffff)
-PCI_OP(read, dword, u32 *, *value = 0xffffffff)
-PCI_OP(write, byte, u8, )
-PCI_OP(write, word, u16, )
-PCI_OP(write, dword, u32, )
-#endif	/* CONFIG_IXP425 */
-
-#define PCI_READ_VIA_DWORD_OP(size, type, off_mask)			\
-int pci_hose_read_config_##size##_via_dword(struct pci_controller *hose,\
-					pci_dev_t dev, 			\
-					int offset, type val)		\
-{									\
-	u32 val32;							\
-									\
-	if (pci_hose_read_config_dword(hose, dev, offset & 0xfc, &val32) < 0) {	\
-		*val = -1;						\
-		return -1;						\
-	}								\
-									\
-	*val = (val32 >> ((offset & (int)off_mask) * 8));		\
-									\
-	return 0;							\
-}
-
-#define PCI_WRITE_VIA_DWORD_OP(size, type, off_mask, val_mask)		\
-int pci_hose_write_config_##size##_via_dword(struct pci_controller *hose,\
-					     pci_dev_t dev, 		\
-					     int offset, type val)	\
-{									\
-	u32 val32, mask, ldata, shift;					\
-									\
-	if (pci_hose_read_config_dword(hose, dev, offset & 0xfc, &val32) < 0)\
-		return -1;						\
-									\
-	shift = ((offset & (int)off_mask) * 8);				\
-	ldata = (((unsigned long)val) & val_mask) << shift;		\
-	mask = val_mask << shift;					\
-	val32 = (val32 & ~mask) | ldata;				\
-									\
-	if (pci_hose_write_config_dword(hose, dev, offset & 0xfc, val32) < 0)\
-		return -1;						\
-									\
-	return 0;							\
-}
-
-PCI_READ_VIA_DWORD_OP(byte, u8 *, 0x03)
-PCI_READ_VIA_DWORD_OP(word, u16 *, 0x02)
-PCI_WRITE_VIA_DWORD_OP(byte, u8, 0x03, 0x000000ff)
-PCI_WRITE_VIA_DWORD_OP(word, u16, 0x02, 0x0000ffff)
-
-/*
- *
- */
-
-static struct pci_controller* hose_head = NULL;
-
-void pci_register_hose(struct pci_controller* hose)
-{
-	struct pci_controller **phose = &hose_head;
-
-	while(*phose)
-		phose = &(*phose)->next;
-
-	hose->next = NULL;
-
-	*phose = hose;
-}
-
-struct pci_controller *pci_bus_to_hose (int bus)
-{
-	struct pci_controller *hose;
-
-	for (hose = hose_head; hose; hose = hose->next)
-		if (bus >= hose->first_busno && bus <= hose->last_busno)
-			return hose;
-
-	printf("pci_bus_to_hose() failed\n");
-	return NULL;
-}
-
-#ifndef CONFIG_IXP425
-pci_dev_t pci_find_devices(struct pci_device_id *ids, int index)
-{
-	struct pci_controller * hose;
-	u16 vendor, device;
-	u8 header_type;
-	pci_dev_t bdf;
-	int i, bus, found_multi = 0;
-
-	for (hose = hose_head; hose; hose = hose->next)
-	{
-#ifdef CFG_SCSI_SCAN_BUS_REVERSE
-		for (bus = hose->last_busno; bus >= hose->first_busno; bus--)
-#else
-		for (bus = hose->first_busno; bus <= hose->last_busno; bus++)
-#endif
-			for (bdf = PCI_BDF(bus,0,0);
-#if defined(CONFIG_ELPPC) || defined(CONFIG_PPMC7XX)
-			     bdf < PCI_BDF(bus,PCI_MAX_PCI_DEVICES-1,PCI_MAX_PCI_FUNCTIONS-1);
-#else
-			     bdf < PCI_BDF(bus+1,0,0);
-#endif
-			     bdf += PCI_BDF(0,0,1))
-			{
-				if (!PCI_FUNC(bdf)) {
-					pci_read_config_byte(bdf,
-							     PCI_HEADER_TYPE,
-							     &header_type);
-
-					found_multi = header_type & 0x80;
-				} else {
-					if (!found_multi)
-						continue;
-				}
-
-				pci_read_config_word(bdf,
-						     PCI_VENDOR_ID,
-						     &vendor);
-				pci_read_config_word(bdf,
-						     PCI_DEVICE_ID,
-						     &device);
-
-				for (i=0; ids[i].vendor != 0; i++)
-					if (vendor == ids[i].vendor &&
-					    device == ids[i].device)
-					{
-						if (index <= 0)
-							return bdf;
-
-						index--;
-					}
-			}
-	}
-
-	return (-1);
-}
-#endif	/* CONFIG_IXP425 */
-
-pci_dev_t pci_find_device(unsigned int vendor, unsigned int device, int index)
-{
-	static struct pci_device_id ids[2] = {{}, {0, 0}};
-
-	ids[0].vendor = vendor;
-	ids[0].device = device;
-
-	return pci_find_devices(ids, index);
-}
-
-/*
- *
- */
-
-unsigned long pci_hose_phys_to_bus (struct pci_controller *hose,
-				    unsigned long phys_addr,
-				    unsigned long flags)
-{
-	struct pci_region *res;
-	unsigned long bus_addr;
-	int i;
-
-	if (!hose) {
-		printf ("pci_hose_phys_to_bus: %s\n", "invalid hose");
-		goto Done;
-	}
-
-	for (i = 0; i < hose->region_count; i++) {
-		res = &hose->regions[i];
-
-		if (((res->flags ^ flags) & PCI_REGION_TYPE) != 0)
-			continue;
-
-		bus_addr = phys_addr - res->phys_start + res->bus_start;
-
-		if (bus_addr >= res->bus_start &&
-			bus_addr < res->bus_start + res->size) {
-			return bus_addr;
-		}
-	}
-
-	printf ("pci_hose_phys_to_bus: %s\n", "invalid physical address");
-
-Done:
-	return 0;
-}
-
-unsigned long pci_hose_bus_to_phys(struct pci_controller* hose,
-				   unsigned long bus_addr,
-				   unsigned long flags)
-{
-	struct pci_region *res;
-	int i;
-
-	if (!hose) {
-		printf ("pci_hose_bus_to_phys: %s\n", "invalid hose");
-		goto Done;
-	}
-
-	for (i = 0; i < hose->region_count; i++) {
-		res = &hose->regions[i];
-
-		if (((res->flags ^ flags) & PCI_REGION_TYPE) != 0)
-			continue;
-
-		if (bus_addr >= res->bus_start &&
-			bus_addr < res->bus_start + res->size) {
-			return bus_addr - res->bus_start + res->phys_start;
-		}
-	}
-
-	printf ("pci_hose_bus_to_phys: %s\n", "invalid physical address");
-
-Done:
-	return 0;
-}
-
-/*
- *
- */
-
-int pci_hose_config_device(struct pci_controller *hose,
-			   pci_dev_t dev,
-			   unsigned long io,
-			   unsigned long mem,
-			   unsigned long command)
-{
-	unsigned int bar_response, bar_size, bar_value, old_command;
-	unsigned char pin;
-	int bar, found_mem64;
-
-	debug ("PCI Config: I/O=0x%lx, Memory=0x%lx, Command=0x%lx\n",
-		io, mem, command);
-
-	pci_hose_write_config_dword (hose, dev, PCI_COMMAND, 0);
-
-	for (bar = PCI_BASE_ADDRESS_0; bar < PCI_BASE_ADDRESS_5; bar += 4) {
-		pci_hose_write_config_dword (hose, dev, bar, 0xffffffff);
-		pci_hose_read_config_dword (hose, dev, bar, &bar_response);
-
-		if (!bar_response)
-			continue;
-
-		found_mem64 = 0;
-
-		/* Check the BAR type and set our address mask */
-		if (bar_response & PCI_BASE_ADDRESS_SPACE) {
-			bar_size = ~(bar_response & PCI_BASE_ADDRESS_IO_MASK) + 1;
-			/* round up region base address to a multiple of size */
-			io = ((io - 1) | (bar_size - 1)) + 1;
-			bar_value = io;
-			/* compute new region base address */
-			io = io + bar_size;
-		} else {
-			if ((bar_response & PCI_BASE_ADDRESS_MEM_TYPE_MASK) ==
-				PCI_BASE_ADDRESS_MEM_TYPE_64)
-				found_mem64 = 1;
-
-			bar_size = ~(bar_response & PCI_BASE_ADDRESS_MEM_MASK) + 1;
-
-			/* round up region base address to multiple of size */
-			mem = ((mem - 1) | (bar_size - 1)) + 1;
-			bar_value = mem;
-			/* compute new region base address */
-			mem = mem + bar_size;
-		}
-
-		/* Write it out and update our limit */
-		pci_hose_write_config_dword (hose, dev, bar, bar_value);
-
-		if (found_mem64) {
-			bar += 4;
-			pci_hose_write_config_dword (hose, dev, bar, 0x00000000);
-		}
-	}
-
-	/* Configure Cache Line Size Register */
-	pci_hose_write_config_byte (hose, dev, PCI_CACHE_LINE_SIZE, 0x08);
-
-	/* Configure Latency Timer */
-	pci_hose_write_config_byte (hose, dev, PCI_LATENCY_TIMER, 0x80);
-
-	/* Disable interrupt line, if device says it wants to use interrupts */
-	pci_hose_read_config_byte (hose, dev, PCI_INTERRUPT_PIN, &pin);
-	if (pin != 0) {
-		pci_hose_write_config_byte (hose, dev, PCI_INTERRUPT_LINE, 0xff);
-	}
-
-	pci_hose_read_config_dword (hose, dev, PCI_COMMAND, &old_command);
-	pci_hose_write_config_dword (hose, dev, PCI_COMMAND,
-				     (old_command & 0xffff0000) | command);
-
-	return 0;
-}
-
-/*
- *
- */
-
-struct pci_config_table *pci_find_config(struct pci_controller *hose,
-					 unsigned short class,
-					 unsigned int vendor,
-					 unsigned int device,
-					 unsigned int bus,
-					 unsigned int dev,
-					 unsigned int func)
-{
-	struct pci_config_table *table;
-
-	for (table = hose->config_table; table && table->vendor; table++) {
-		if ((table->vendor == PCI_ANY_ID || table->vendor == vendor) &&
-		    (table->device == PCI_ANY_ID || table->device == device) &&
-		    (table->class  == PCI_ANY_ID || table->class  == class)  &&
-		    (table->bus    == PCI_ANY_ID || table->bus    == bus)    &&
-		    (table->dev    == PCI_ANY_ID || table->dev    == dev)    &&
-		    (table->func   == PCI_ANY_ID || table->func   == func)) {
-			return table;
-		}
-	}
-
-	return NULL;
-}
-
-void pci_cfgfunc_config_device(struct pci_controller *hose,
-			       pci_dev_t dev,
-			       struct pci_config_table *entry)
-{
-	pci_hose_config_device(hose, dev, entry->priv[0], entry->priv[1], entry->priv[2]);
-}
-
-void pci_cfgfunc_do_nothing(struct pci_controller *hose,
-			    pci_dev_t dev, struct pci_config_table *entry)
-{
-}
-
-/*
- *
- */
-
-/* HJF: Changed this to return int. I think this is required
- * to get the correct result when scanning bridges
- */
-extern int pciauto_config_device(struct pci_controller *hose, pci_dev_t dev);
-extern void pciauto_config_init(struct pci_controller *hose);
-
-int pci_hose_scan_bus(struct pci_controller *hose, int bus)
-{
-	unsigned int sub_bus, found_multi=0;
-	unsigned short vendor, device, class;
-	unsigned char header_type;
-	struct pci_config_table *cfg;
-	pci_dev_t dev;
-
-	sub_bus = bus;
-
-	for (dev =  PCI_BDF(bus,0,0);
-	     dev <  PCI_BDF(bus,PCI_MAX_PCI_DEVICES-1,PCI_MAX_PCI_FUNCTIONS-1);
-	     dev += PCI_BDF(0,0,1))
-	{
-		/* Skip our host bridge */
-		if ( dev == PCI_BDF(hose->first_busno,0,0) ) {
-#if defined(CONFIG_PCI_CONFIG_HOST_BRIDGE)              /* don't skip host bridge */
-			/*
-			 * Only skip hostbridge configuration if "pciconfighost" is not set
-			 */
-			if (getenv("pciconfighost") == NULL) {
-				continue; /* Skip our host bridge */
-			}
-#else
-			continue; /* Skip our host bridge */
-#endif
-		}
-
-		if (PCI_FUNC(dev) && !found_multi)
-			continue;
-
-		pci_hose_read_config_byte(hose, dev, PCI_HEADER_TYPE, &header_type);
-
-		pci_hose_read_config_word(hose, dev, PCI_VENDOR_ID, &vendor);
-
-		if (vendor != 0xffff && vendor != 0x0000) {
-
-			if (!PCI_FUNC(dev))
-				found_multi = header_type & 0x80;
-
-			debug ("PCI Scan: Found Bus %d, Device %d, Function %d\n",
-				PCI_BUS(dev), PCI_DEV(dev), PCI_FUNC(dev) );
-
-			pci_hose_read_config_word(hose, dev, PCI_DEVICE_ID, &device);
-			pci_hose_read_config_word(hose, dev, PCI_CLASS_DEVICE, &class);
-
-			cfg = pci_find_config(hose, class, vendor, device,
-					      PCI_BUS(dev), PCI_DEV(dev), PCI_FUNC(dev));
-			if (cfg) {
-				cfg->config_device(hose, dev, cfg);
-				sub_bus = max(sub_bus, hose->current_busno);
-#ifdef CONFIG_PCI_PNP
-			} else {
-				int n = pciauto_config_device(hose, dev);
-
-				sub_bus = max(sub_bus, n);
-#endif
-			}
-			if (hose->fixup_irq)
-				hose->fixup_irq(hose, dev);
-
-#ifdef CONFIG_PCI_SCAN_SHOW
-			/* Skip our host bridge */
-			if ( dev != PCI_BDF(hose->first_busno,0,0) ) {
-			    unsigned char int_line;
-
-			    pci_hose_read_config_byte(hose, dev, PCI_INTERRUPT_LINE,
-						      &int_line);
-			    printf("        %02x  %02x  %04x  %04x  %04x  %02x\n",
-				   PCI_BUS(dev), PCI_DEV(dev), vendor, device, class,
-				   int_line);
-			}
-#endif
-		}
-	}
-
-	return sub_bus;
-}
-
-int pci_hose_scan(struct pci_controller *hose)
-{
-	/* Start scan at current_busno.
-	 * PCIe will start scan at first_busno+1.
-	 */
-	/* For legacy support, ensure current>=first */
-	if (hose->first_busno > hose->current_busno)
-		hose->current_busno = hose->first_busno;
-#ifdef CONFIG_PCI_PNP
-	pciauto_config_init(hose);
-#endif
-	return pci_hose_scan_bus(hose, hose->current_busno);
-}
-
-void pci_init(void)
-{
-#if defined(CONFIG_PCI_BOOTDELAY)
-	char *s;
-	int i;
-
-	/* wait "pcidelay" ms (if defined)... */
-	s = getenv ("pcidelay");
-	if (s) {
-		int val = simple_strtoul (s, NULL, 10);
-		for (i=0; i<val; i++)
-			udelay (1000);
-	}
-#endif /* CONFIG_PCI_BOOTDELAY */
-
-	/* now call board specific pci_init()... */
-	pci_init_board();
-}
-
-#endif /* CONFIG_PCI */