Merge branch 'linux-next' of git://git.infradead.org/~dedekind/ubi-2.6

1 files changed, 0 insertions, 515 deletions

diff --git a/arch/ppc/syslib/pci_auto.c b/arch/ppc/syslib/pci_auto.c
deleted file mode 100644
index ee20a86fcc4..00000000000
--- a/arch/ppc/syslib/pci_auto.c
+++ /dev/null
@@ -1,515 +0,0 @@
-/*
- * PCI autoconfiguration library
- *
- * Author: Matt Porter <mporter@mvista.com>
- *
- * 2001 (c) MontaVista, Software, Inc.  This file is licensed under
- * the terms of the GNU General Public License version 2.  This program
- * is licensed "as is" without any warranty of any kind, whether express
- * or implied.
- */
-
-/*
- * The CardBus support is very preliminary.  Preallocating space is
- * the way to go but will require some change in card services to
- * make it useful.  Eventually this will ensure that we can put
- * multiple CB bridges behind multiple P2P bridges.  For now, at
- * least it ensures that we place the CB bridge BAR and assigned
- * initial bus numbers.  I definitely need to do something about
- * the lack of 16-bit I/O support. -MDP
- */
-
-#include <linux/kernel.h>
-#include <linux/init.h>
-#include <linux/pci.h>
-
-#include <asm/pci-bridge.h>
-
-#define	PCIAUTO_IDE_MODE_MASK		0x05
-
-#undef DEBUG
-
-#ifdef DEBUG
-#define DBG(x...) printk(x)
-#else
-#define DBG(x...)
-#endif /* DEBUG */
-
-static int pciauto_upper_iospc;
-static int pciauto_upper_memspc;
-
-void __init pciauto_setup_bars(struct pci_controller *hose,
-		int current_bus,
-		int pci_devfn,
-		int bar_limit)
-{
-	int bar_response, bar_size, bar_value;
-	int bar, addr_mask;
-	int * upper_limit;
-	int found_mem64 = 0;
-
-	DBG("PCI Autoconfig: Found Bus %d, Device %d, Function %d\n",
-		current_bus, PCI_SLOT(pci_devfn), PCI_FUNC(pci_devfn) );
-
-	for (bar = PCI_BASE_ADDRESS_0; bar <= bar_limit; bar+=4) {
-		/* Tickle the BAR and get the response */
-		early_write_config_dword(hose,
-				current_bus,
-				pci_devfn,
-				bar,
-				0xffffffff);
-		early_read_config_dword(hose,
-				current_bus,
-				pci_devfn,
-				bar,
-				&bar_response);
-
-		/* If BAR is not implemented go to the next BAR */
-		if (!bar_response)
-			continue;
-
-		/* Check the BAR type and set our address mask */
-		if (bar_response & PCI_BASE_ADDRESS_SPACE) {
-			addr_mask = PCI_BASE_ADDRESS_IO_MASK;
-			upper_limit = &pciauto_upper_iospc;
-			DBG("PCI Autoconfig: BAR 0x%x, I/O, ", bar);
-		} else {
-			if ( (bar_response & PCI_BASE_ADDRESS_MEM_TYPE_MASK) ==
-			PCI_BASE_ADDRESS_MEM_TYPE_64)
-				found_mem64 = 1;
-
-			addr_mask = PCI_BASE_ADDRESS_MEM_MASK;	
-			upper_limit = &pciauto_upper_memspc;
-			DBG("PCI Autoconfig: BAR 0x%x, Mem ", bar);
-		}
-
-		/* Calculate requested size */
-		bar_size = ~(bar_response & addr_mask) + 1;
-
-		/* Allocate a base address */
-		bar_value = (*upper_limit - bar_size) & ~(bar_size - 1);
-
-		/* Write it out and update our limit */
-		early_write_config_dword(hose,
-				current_bus,
-				pci_devfn,
-				bar,
-				bar_value);
-
-		*upper_limit = bar_value;
-
-		/*
-		 * If we are a 64-bit decoder then increment to the
-		 * upper 32 bits of the bar and force it to locate
-		 * in the lower 4GB of memory.
-		 */
-		if (found_mem64) {
-			bar += 4;
-			early_write_config_dword(hose,
-					current_bus,
-					pci_devfn,
-					bar,
-					0x00000000);
-			found_mem64 = 0;
-		}
-
-		DBG("size=0x%x, address=0x%x\n",
-			bar_size, bar_value);
-	}
-
-}
-
-void __init pciauto_prescan_setup_bridge(struct pci_controller *hose,
-		int current_bus,
-		int pci_devfn,
-		int sub_bus,
-		int *iosave,
-		int *memsave)
-{
-	/* Configure bus number registers */
-	early_write_config_byte(hose,
-			current_bus,
-			pci_devfn,
-			PCI_PRIMARY_BUS,
-			current_bus);
-	early_write_config_byte(hose,
-			current_bus,
-			pci_devfn,
-			PCI_SECONDARY_BUS,
-			sub_bus + 1);
-	early_write_config_byte(hose,
-			current_bus,
-			pci_devfn,
-			PCI_SUBORDINATE_BUS,
-			0xff);
-
-	/* Round memory allocator to 1MB boundary */
-	pciauto_upper_memspc &= ~(0x100000 - 1);
-	*memsave = pciauto_upper_memspc;
-
-	/* Round I/O allocator to 4KB boundary */
-	pciauto_upper_iospc &= ~(0x1000 - 1);
-	*iosave = pciauto_upper_iospc;
-
-	/* Set up memory and I/O filter limits, assume 32-bit I/O space */
-	early_write_config_word(hose,
-			current_bus,
-			pci_devfn,
-			PCI_MEMORY_LIMIT,
-			((pciauto_upper_memspc - 1) & 0xfff00000) >> 16);
-	early_write_config_byte(hose,
-			current_bus,
-			pci_devfn,
-			PCI_IO_LIMIT,
-			((pciauto_upper_iospc - 1) & 0x0000f000) >> 8);
-	early_write_config_word(hose,
-			current_bus,
-			pci_devfn,
-			PCI_IO_LIMIT_UPPER16,
-			((pciauto_upper_iospc - 1) & 0xffff0000) >> 16);
-
-	/* Zero upper 32 bits of prefetchable base/limit */
-	early_write_config_dword(hose,
-			current_bus,
-			pci_devfn,
-			PCI_PREF_BASE_UPPER32,
-			0);
-	early_write_config_dword(hose,
-			current_bus,
-			pci_devfn,
-			PCI_PREF_LIMIT_UPPER32,
-			0);
-}
-
-void __init pciauto_postscan_setup_bridge(struct pci_controller *hose,
-		int current_bus,
-		int pci_devfn,
-		int sub_bus,
-		int *iosave,
-		int *memsave)
-{
-	int cmdstat;
-
-	/* Configure bus number registers */
-	early_write_config_byte(hose,
-			current_bus,
-			pci_devfn,
-			PCI_SUBORDINATE_BUS,
-			sub_bus);
-
-	/*
-	 * Round memory allocator to 1MB boundary.
-	 * If no space used, allocate minimum.
-	 */
-	pciauto_upper_memspc &= ~(0x100000 - 1);
-	if (*memsave == pciauto_upper_memspc)
-		pciauto_upper_memspc -= 0x00100000;
-
-	early_write_config_word(hose,
-			current_bus,
-			pci_devfn,
-			PCI_MEMORY_BASE,
-			pciauto_upper_memspc >> 16);
-
-	/* Allocate 1MB for pre-fretch */
-	early_write_config_word(hose,
-			current_bus,
-			pci_devfn,
-			PCI_PREF_MEMORY_LIMIT,
-			((pciauto_upper_memspc - 1) & 0xfff00000) >> 16);
-
-	pciauto_upper_memspc -= 0x100000;
-
-	early_write_config_word(hose,
-			current_bus,
-			pci_devfn,
-			PCI_PREF_MEMORY_BASE,
-			pciauto_upper_memspc >> 16);
-
-	/* Round I/O allocator to 4KB boundary */
-	pciauto_upper_iospc &= ~(0x1000 - 1);
-	if (*iosave == pciauto_upper_iospc)
-		pciauto_upper_iospc -= 0x1000;
-
-	early_write_config_byte(hose,
-			current_bus,
-			pci_devfn,
-			PCI_IO_BASE,
-			(pciauto_upper_iospc & 0x0000f000) >> 8);
-	early_write_config_word(hose,
-			current_bus,
-			pci_devfn,
-			PCI_IO_BASE_UPPER16,
-			pciauto_upper_iospc >> 16);
-
-	/* Enable memory and I/O accesses, enable bus master */
-	early_read_config_dword(hose,
-			current_bus,
-			pci_devfn,
-			PCI_COMMAND,
-			&cmdstat);
-	early_write_config_dword(hose,
-			current_bus,
-			pci_devfn,
-			PCI_COMMAND,
-			cmdstat |
-			PCI_COMMAND_IO |
-			PCI_COMMAND_MEMORY |
-			PCI_COMMAND_MASTER);
-}
-
-void __init pciauto_prescan_setup_cardbus_bridge(struct pci_controller *hose,
-		int current_bus,
-		int pci_devfn,
-		int sub_bus,
-		int *iosave,
-		int *memsave)
-{
-	/* Configure bus number registers */
-	early_write_config_byte(hose,
-			current_bus,
-			pci_devfn,
-			PCI_PRIMARY_BUS,
-			current_bus);
-	early_write_config_byte(hose,
-			current_bus,
-			pci_devfn,
-			PCI_SECONDARY_BUS,
-			sub_bus + 1);
-	early_write_config_byte(hose,
-			current_bus,
-			pci_devfn,
-			PCI_SUBORDINATE_BUS,
-			0xff);
-
-	/* Round memory allocator to 4KB boundary */
-	pciauto_upper_memspc &= ~(0x1000 - 1);
-	*memsave = pciauto_upper_memspc;
-
-	/* Round I/O allocator to 4 byte boundary */
-	pciauto_upper_iospc &= ~(0x4 - 1);
-	*iosave = pciauto_upper_iospc;
-
-	/* Set up memory and I/O filter limits, assume 32-bit I/O space */
-	early_write_config_dword(hose,
-			current_bus,
-			pci_devfn,
-			0x20,
-			pciauto_upper_memspc - 1);
-	early_write_config_dword(hose,
-			current_bus,
-			pci_devfn,
-			0x30,
-			pciauto_upper_iospc - 1);
-}
-
-void __init pciauto_postscan_setup_cardbus_bridge(struct pci_controller *hose,
-		int current_bus,
-		int pci_devfn,
-		int sub_bus,
-		int *iosave,
-		int *memsave)
-{
-	int cmdstat;
-
-	/*
-	 * Configure subordinate bus number.  The PCI subsystem
-	 * bus scan will renumber buses (reserving three additional
-	 * for this PCI<->CardBus bridge for the case where a CardBus
-	 * adapter contains a P2P or CB2CB bridge.
-	 */
-	early_write_config_byte(hose,
-			current_bus,
-			pci_devfn,
-			PCI_SUBORDINATE_BUS,
-			sub_bus);
-
-	/*
-	 * Reserve an additional 4MB for mem space and 16KB for
-	 * I/O space.  This should cover any additional space
-	 * requirement of unusual CardBus devices with
-	 * additional bridges that can consume more address space.
-	 *
-	 * Although pcmcia-cs currently will reprogram bridge
-	 * windows, the goal is to add an option to leave them
-	 * alone and use the bridge window ranges as the regions
-	 * that are searched for free resources upon hot-insertion
-	 * of a device.  This will allow a PCI<->CardBus bridge
-	 * configured by this routine to happily live behind a
-	 * P2P bridge in a system.
-	 */
-	pciauto_upper_memspc -= 0x00400000;
-	pciauto_upper_iospc -= 0x00004000;
-
-	/* Round memory allocator to 4KB boundary */
-	pciauto_upper_memspc &= ~(0x1000 - 1);
-
-	early_write_config_dword(hose,
-			current_bus,
-			pci_devfn,
-			0x1c,
-			pciauto_upper_memspc);
-
-	/* Round I/O allocator to 4 byte boundary */
-	pciauto_upper_iospc &= ~(0x4 - 1);
-	early_write_config_dword(hose,
-			current_bus,
-			pci_devfn,
-			0x2c,
-			pciauto_upper_iospc);
-
-	/* Enable memory and I/O accesses, enable bus master */
-	early_read_config_dword(hose,
-			current_bus,
-			pci_devfn,
-			PCI_COMMAND,
-			&cmdstat);
-	early_write_config_dword(hose,
-			current_bus,
-			pci_devfn,
-			PCI_COMMAND,
-			cmdstat |
-			PCI_COMMAND_IO |
-			PCI_COMMAND_MEMORY |
-			PCI_COMMAND_MASTER);
-}
-
-int __init pciauto_bus_scan(struct pci_controller *hose, int current_bus)
-{
-	int sub_bus, pci_devfn, pci_class, cmdstat, found_multi = 0;
-	unsigned short vid;
-	unsigned char header_type;
-
-	/*
-	 * Fetch our I/O and memory space upper boundaries used
-	 * to allocated base addresses on this hose.
-	 */
-	if (current_bus == hose->first_busno) {
-		pciauto_upper_iospc = hose->io_space.end + 1;
-		pciauto_upper_memspc = hose->mem_space.end + 1;
-	}
-
-	sub_bus = current_bus;
-
-	for (pci_devfn = 0; pci_devfn < 0xff; pci_devfn++) {
-		/* Skip our host bridge */
-		if ( (current_bus == hose->first_busno) && (pci_devfn == 0) )
-			continue;
-
-		if (PCI_FUNC(pci_devfn) && !found_multi)
-			continue;
-
-		/* If config space read fails from this device, move on */
-		if (early_read_config_byte(hose,
-				current_bus,
-				pci_devfn,
-				PCI_HEADER_TYPE,
-				&header_type))
-			continue;
-
-		if (!PCI_FUNC(pci_devfn))
-			found_multi = header_type & 0x80;
-
-		early_read_config_word(hose,
-				current_bus,
-				pci_devfn,
-				PCI_VENDOR_ID,
-				&vid);
-
-		if (vid != 0xffff) {
-			early_read_config_dword(hose,
-					current_bus,
-					pci_devfn,
-					PCI_CLASS_REVISION, &pci_class);
-			if ( (pci_class >> 16) == PCI_CLASS_BRIDGE_PCI ) {
-				int iosave, memsave;
-
-				DBG("PCI Autoconfig: Found P2P bridge, device %d\n", PCI_SLOT(pci_devfn));
-				/* Allocate PCI I/O and/or memory space */
-				pciauto_setup_bars(hose,
-						current_bus,
-						pci_devfn,
-						PCI_BASE_ADDRESS_1);
-
-				pciauto_prescan_setup_bridge(hose,
-						current_bus,
-						pci_devfn,
-						sub_bus,
-						&iosave,
-						&memsave);
-				sub_bus = pciauto_bus_scan(hose, sub_bus+1);
-				pciauto_postscan_setup_bridge(hose,
-						current_bus,
-						pci_devfn,
-						sub_bus,
-						&iosave,
-						&memsave);
-			} else if ((pci_class >> 16) == PCI_CLASS_BRIDGE_CARDBUS) {
-				int iosave, memsave;
-
-				DBG("PCI Autoconfig: Found CardBus bridge, device %d function %d\n", PCI_SLOT(pci_devfn), PCI_FUNC(pci_devfn));
-				/* Place CardBus Socket/ExCA registers */
-				pciauto_setup_bars(hose,
-						current_bus,
-						pci_devfn,
-						PCI_BASE_ADDRESS_0);
-
-				pciauto_prescan_setup_cardbus_bridge(hose,
-						current_bus,
-						pci_devfn,
-						sub_bus,
-						&iosave,
-						&memsave);
-				sub_bus = pciauto_bus_scan(hose, sub_bus+1);
-				pciauto_postscan_setup_cardbus_bridge(hose,
-						current_bus,
-						pci_devfn,
-						sub_bus,
-						&iosave,
-						&memsave);
-			} else {
-				if ((pci_class >> 16) == PCI_CLASS_STORAGE_IDE) {
-					unsigned char prg_iface;
-
-					early_read_config_byte(hose,
-							current_bus,
-							pci_devfn,
-							PCI_CLASS_PROG,
-							&prg_iface);
-					if (!(prg_iface & PCIAUTO_IDE_MODE_MASK)) {
-						DBG("PCI Autoconfig: Skipping legacy mode IDE controller\n");
-						continue;
-					}
-				}
-				/* Allocate PCI I/O and/or memory space */
-				pciauto_setup_bars(hose,
-						current_bus,
-						pci_devfn,
-						PCI_BASE_ADDRESS_5);
-
-				/*
-				 * Enable some standard settings
-				 */
-				early_read_config_dword(hose,
-						current_bus,
-						pci_devfn,
-						PCI_COMMAND,
-						&cmdstat);
-				early_write_config_dword(hose,
-						current_bus,
-						pci_devfn,
-						PCI_COMMAND,
-						cmdstat |
-						PCI_COMMAND_IO |
-						PCI_COMMAND_MEMORY |
-						PCI_COMMAND_MASTER);
-				early_write_config_byte(hose,
-						current_bus,
-						pci_devfn,
-						PCI_LATENCY_TIMER,
-						0x80);
-			}
-		}
-	}
-	return sub_bus;
-}