1 files changed, 0 insertions, 86 deletions
diff --git a/gpxe/src/drivers/bus/pciextra.c b/gpxe/src/drivers/bus/pciextra.c
deleted file mode 100644
index 74c40990..00000000
--- a/gpxe/src/drivers/bus/pciextra.c
+++ /dev/null
@@ -1,86 +0,0 @@
-FILE_LICENCE ( GPL2_OR_LATER );
-
-#include <stdint.h>
-#include <gpxe/pci.h>
-
-/**
- * Look for a PCI capability
- *
- * @v pci		PCI device to query
- * @v cap		Capability code
- * @ret address		Address of capability, or 0 if not found
- *
- * Determine whether or not a device supports a given PCI capability.
- * Returns the address of the requested capability structure within
- * the device's PCI configuration space, or 0 if the device does not
- * support it.
- */
-int pci_find_capability ( struct pci_device *pci, int cap ) {
-	uint16_t status;
-	uint8_t pos, id;
-	uint8_t hdr_type;
-	int ttl = 48;
-
-	pci_read_config_word ( pci, PCI_STATUS, &status );
-	if ( ! ( status & PCI_STATUS_CAP_LIST ) )
-		return 0;
-
-	pci_read_config_byte ( pci, PCI_HEADER_TYPE, &hdr_type );
-	switch ( hdr_type & 0x7F ) {
-	case PCI_HEADER_TYPE_NORMAL:
-	case PCI_HEADER_TYPE_BRIDGE:
-	default:
-		pci_read_config_byte ( pci, PCI_CAPABILITY_LIST, &pos );
-		break;
-	case PCI_HEADER_TYPE_CARDBUS:
-		pci_read_config_byte ( pci, PCI_CB_CAPABILITY_LIST, &pos );
-		break;
-	}
-	while ( ttl-- && pos >= 0x40 ) {
-		pos &= ~3;
-		pci_read_config_byte ( pci, pos + PCI_CAP_LIST_ID, &id );
-		DBG ( "PCI Capability: %d\n", id );
-		if ( id == 0xff )
-			break;
-		if ( id == cap )
-			return pos;
-		pci_read_config_byte ( pci, pos + PCI_CAP_LIST_NEXT, &pos );
-	}
-	return 0;
-}
-
-/**
- * Find the size of a PCI BAR
- *
- * @v pci		PCI device
- * @v reg		PCI register number
- * @ret size		BAR size
- *
- * It should not be necessary for any Etherboot code to call this
- * function.
- */
-unsigned long pci_bar_size ( struct pci_device *pci, unsigned int reg ) {
-	uint16_t cmd;
-	uint32_t start, size;
-
-	/* Save the original command register */
-	pci_read_config_word ( pci, PCI_COMMAND, &cmd );
-	/* Save the original bar */
-	pci_read_config_dword ( pci, reg, &start );
-	/* Compute which bits can be set */
-	pci_write_config_dword ( pci, reg, ~0 );
-	pci_read_config_dword ( pci, reg, &size );
-	/* Restore the original size */
-	pci_write_config_dword ( pci, reg, start );
-	/* Find the significant bits */
-	/* Restore the original command register. This reenables decoding. */
-	pci_write_config_word ( pci, PCI_COMMAND, cmd );
-	if ( start & PCI_BASE_ADDRESS_SPACE_IO ) {
-		size &= PCI_BASE_ADDRESS_IO_MASK;
-	} else {
-		size &= PCI_BASE_ADDRESS_MEM_MASK;
-	}
-	/* Find the lowest bit set */
-	size = size & ~( size - 1 );
-	return size;
-}