device/pci_ops: Define pci_find_capability() just once

Wrap the simple romstage implementation to be called
from ramstage.

Change-Id: Iadadf3d550416850d6c37233bd4eda025f4d3960
Signed-off-by: Kyösti Mälkki <kyosti.malkki@gmail.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/31755
Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net>
Reviewed-by: Martin Roth <martinroth@google.com>
Reviewed-by: HAOUAS Elyes <ehaouas@noos.fr>
Reviewed-by: Angel Pons <th3fanbus@gmail.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>

1 files changed, 0 insertions, 48 deletions

diff --git a/src/device/pci_early.c b/src/device/pci_early.c
index 5a1fb22681..7c9ea005c6 100644
--- a/src/device/pci_early.c
+++ b/src/device/pci_early.c
@@ -21,54 +21,6 @@
 #include <device/pci_type.h>
 #include <delay.h>
 
-unsigned pci_find_next_capability(pci_devfn_t dev, unsigned cap, unsigned last)
-{
-	unsigned pos = 0;
-	u16 status;
-	unsigned reps = 48;
-
-	status = pci_read_config16(dev, PCI_STATUS);
-	if (!(status & PCI_STATUS_CAP_LIST))
-		return 0;
-
-	u8 hdr_type = pci_read_config8(dev, PCI_HEADER_TYPE);
-	switch (hdr_type & 0x7f) {
-	case PCI_HEADER_TYPE_NORMAL:
-	case PCI_HEADER_TYPE_BRIDGE:
-		pos = PCI_CAPABILITY_LIST;
-		break;
-	case PCI_HEADER_TYPE_CARDBUS:
-		pos = PCI_CB_CAPABILITY_LIST;
-		break;
-	default:
-		return 0;
-	}
-
-	pos = pci_read_config8(dev, pos);
-	while (reps-- && (pos >= 0x40)) { /* Loop through the linked list. */
-		int this_cap;
-
-		pos &= ~3;
-		this_cap = pci_read_config8(dev, pos + PCI_CAP_LIST_ID);
-		if (this_cap == 0xff)
-			break;
-
-		if (!last && (this_cap == cap))
-			return pos;
-
-		if (last == pos)
-			last = 0;
-
-		pos = pci_read_config8(dev, pos + PCI_CAP_LIST_NEXT);
-	}
-	return 0;
-}
-
-unsigned pci_find_capability(pci_devfn_t dev, unsigned cap)
-{
-	return pci_find_next_capability(dev, cap, 0);
-}
-
 static void pci_bridge_reset_secondary(pci_devfn_t p2p_bridge)
 {
 	u16 reg16;