patch-2.2.15 linux/arch/ppc/kernel/gemini_pci.c

• Lines: 198
• Date: Fri Apr 21 12:45:47 2000
• Orig file: v2.2.14/arch/ppc/kernel/gemini_pci.c
• Orig date: Tue Jan 4 21:18:40 2000

diff -u --new-file --recursive --exclude-from ../../exclude v2.2.14/arch/ppc/kernel/gemini_pci.c linux/arch/ppc/kernel/gemini_pci.c
@@ -77,188 +77,20 @@
 	return PCIBIOS_SUCCESSFUL;
 }
 
-struct gemini_device {
-	unsigned short vendor, device;
-	unsigned char irq;
-	unsigned short cmd;
-	unsigned char cache_line, latency;
-	void (*init)(struct pci_dev *dev);
-};
-
-static struct gemini_device gemini_map[] = {
-	{ PCI_VENDOR_ID_NCR, PCI_DEVICE_ID_NCR_53C885, 11, 0x15, 32, 248, NULL },
-	{ PCI_VENDOR_ID_NCR, 0x701, 10, 0, 0, 0, NULL },
-	{ PCI_VENDOR_ID_TUNDRA, PCI_DEVICE_ID_TUNDRA_CA91C042, 3, 0, 0, 0, NULL },
-	{ PCI_VENDOR_ID_IBM, PCI_DEVICE_ID_IBM_MPIC, 0xff, 0, 0, 0, NULL },
-	{ PCI_VENDOR_ID_CMD, PCI_DEVICE_ID_CMD_670, 0xff, 0, 0, 0, NULL },
-	{ PCI_VENDOR_ID_MOTOROLA, PCI_DEVICE_ID_MOTOROLA_MPC106, 0xff, 0, 0, 0, NULL },
-};
-
-static int gemini_map_count = (sizeof( gemini_map ) /
-                               sizeof( gemini_map[0] ));
-
- 
-
-/*  This just sets up the known devices on the board. */
-__initfunc(static void mapin_device( struct pci_dev *dev ))
-{
-	struct gemini_device *p;
-	unsigned short cmd;
-	int i;
-  
-
-	for( i=0; i < gemini_map_count; i++ ) {
-		p = &(gemini_map[i]);
-    
-		if ( p->vendor == dev->vendor && 
-		     p->device == dev->device ) {
-     
-			if (p->irq != 0xff) {
-				pci_write_config_byte( dev, PCI_INTERRUPT_LINE, p->irq );
-				dev->irq = p->irq;
-			}
-
-			if (p->cmd) {
-				pci_read_config_word( dev, PCI_COMMAND, &cmd );
-				pci_write_config_word( dev, PCI_COMMAND, (p->cmd|cmd));
-			}
-
-			if (p->cache_line)
-				pci_write_config_byte( dev, PCI_CACHE_LINE_SIZE, p->cache_line );
- 
-			if (p->latency)
-				pci_write_config_byte( dev, PCI_LATENCY_TIMER, p->latency );
-		}
-	}
-}
-
-#define KB 1024
-#define MB (KB*KB)
-
-#define ALIGN(val,align) (((val) + ((align) -1))&(~((align) -1)))
-#define MAX(a,b)   (((a) > (b)) ? (a) : (b))
-
-#define FIRST_IO_ADDR 0x10000
-#define FIRST_MEM_ADDR 0x02000000
-
-#define GEMINI_PCI_MEM_BASE (0xf0000000)
-#define GEMINI_PCI_IO_BASE  (0xfe800000)
-
-static unsigned long pci_mem_base = GEMINI_PCI_MEM_BASE;
-static unsigned long pci_io_base = GEMINI_PCI_IO_BASE;
-
-static unsigned int io_base = FIRST_IO_ADDR;
-static unsigned int mem_base = FIRST_MEM_ADDR;
-
-
-
-__initfunc(static void layout_dev( struct pci_dev *dev ))
+__initfunc(void gemini_pcibios_fixup(void))
 {
-	int i;
 	struct pci_bus *bus;
-	unsigned short cmd;
-	unsigned int reg, base, mask, size, alignto, type;
-
-	bus = dev->bus;
-
-	/* make any known settings happen */
-	mapin_device( dev );
-
-	gemini_pcibios_read_config_word( bus->number, dev->devfn, PCI_COMMAND, &cmd );
-
-	for( reg = PCI_BASE_ADDRESS_0, i=0; reg <= PCI_BASE_ADDRESS_5; reg += 4, i++ ) {
-    
-		/* MPIC already done */
-		if (dev->vendor == PCI_VENDOR_ID_IBM &&
-		    dev->device == PCI_DEVICE_ID_IBM_MPIC)
-			return;
-
-		gemini_pcibios_write_config_dword( bus->number, dev->devfn, reg, 0xffffffff );
-		gemini_pcibios_read_config_dword( bus->number, dev->devfn, reg, &base );
-		if (!base) {
-			dev->base_address[i] = 0;
-			continue;
-		}
-
-		if (base & PCI_BASE_ADDRESS_SPACE_IO) {
-			cmd |= PCI_COMMAND_IO;
-			base &= PCI_BASE_ADDRESS_IO_MASK;
-			mask = (~base << 1) | 0x1;
-			size = (mask & base) & 0xffffffff;
-			alignto = MAX(0x400, size);
-			base = ALIGN(io_base, alignto);
-			io_base = base + size;
-			gemini_pcibios_write_config_dword( bus->number, dev->devfn, reg, 
-							   ((pci_io_base + base) & 0x00ffffff) | 0x1);
-			dev->base_address[i] = (pci_io_base + base) | 0x1;
-		}
-
-		else {
-			cmd |= PCI_COMMAND_MEMORY;
-			type = base & PCI_BASE_ADDRESS_MEM_TYPE_MASK;
-			mask = (~base << 1) | 0x1;
-			size = (mask & base) & 0xffffffff;
-			switch( type ) {
-
-			case PCI_BASE_ADDRESS_MEM_TYPE_32:
-				break;
-			case PCI_BASE_ADDRESS_MEM_TYPE_64:
-				printk("Warning: Ignoring 64-bit device; slot %d, function %d.\n",
-				       PCI_SLOT( dev->devfn ), PCI_FUNC( dev->devfn ));
-				reg += 4;
-				continue;
-			}
-
-			alignto = MAX(0x1000, size);
-			base = ALIGN(mem_base, alignto);
-			mem_base = base + size;
-			gemini_pcibios_write_config_dword( bus->number, dev->devfn,
-							   reg, (pci_mem_base + base));
-			dev->base_address[i] = pci_mem_base + base;
-		}
-	}
-
-	if ((dev->class >> 8) == PCI_CLASS_DISPLAY_VGA)
-		cmd |= PCI_COMMAND_IO;
-
-	gemini_pcibios_write_config_word( bus->number, dev->devfn, PCI_COMMAND,
-					  (cmd|PCI_COMMAND_MASTER));
-
-}
-
-__initfunc(static void layout_bus( struct pci_bus *bus ))
-{
 	struct pci_dev *dev;
+	int i;
 
-	if (!bus->devices && !bus->children)
-		return;
-
-	io_base = ALIGN(io_base, 4*KB);
-	mem_base = ALIGN(mem_base, 4*KB);
-
-	for( dev = bus->devices; dev; dev = dev->sibling ) {
-		if (((dev->class >> 16) != PCI_BASE_CLASS_BRIDGE) ||
-		    ((dev->class >> 8) == PCI_CLASS_BRIDGE_OTHER))
-			layout_dev( dev );
+	for(bus = &pci_root; bus; bus = bus->children) {
+	    for(dev = bus->devices; dev; dev = dev->sibling) {
+		for(i = 0; i < 6; i++) {
+		    if (dev->base_address[i] & PCI_COMMAND_IO)
+			dev->base_address[i] |= (0xfe << 24);
+		}
+	    }
 	}
-}
-
-
-__initfunc(void gemini_pcibios_fixup(void))
-{
-	struct pci_bus *bus;
-	unsigned long orig_mem_base, orig_io_base;
-
-	orig_mem_base = pci_mem_base;
-	orig_io_base = pci_io_base;
-
-	for( bus = &pci_root; bus; bus = bus->children )
-		layout_bus( bus );
-
-	pci_mem_base = orig_mem_base;
-	pci_io_base = orig_io_base;
-
-
 }
 
 decl_config_access_method(gemini);