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authorKyösti Mälkki <kyosti.malkki@gmail.com>2015-02-02 15:56:27 +0200
committerKyösti Mälkki <kyosti.malkki@gmail.com>2015-02-10 09:38:32 +0100
commit754fac43467f87d6b926a181b6150867a08fb9b3 (patch)
treea0166ec4f31b4743fc839cce89837c6a30c19463 /src/device
parentb474abee84445b6ad84a9f2a920d96ec55bdf2d3 (diff)
downloadcoreboot-754fac43467f87d6b926a181b6150867a08fb9b3.tar.xz
PCI subsystem: Remove AGP bridge type
There is no auto-detection for AGP type and we have no hardware that selects this. Furthermore, we treat AGP bridges just like PCI bridges, there is no optimisation for higher bandwidth. Change-Id: I4fe87c83411643cb9b8d3216f2af07bf098174d3 Signed-off-by: Kyösti Mälkki <kyosti.malkki@gmail.com> Reviewed-on: http://review.coreboot.org/8367 Tested-by: build bot (Jenkins) Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net> Reviewed-by: Alexandru Gagniuc <mr.nuke.me@gmail.com> Reviewed-by: Patrick Georgi <pgeorgi@google.com>
Diffstat (limited to 'src/device')
-rw-r--r--src/device/Kconfig5
-rw-r--r--src/device/Makefile.inc1
-rw-r--r--src/device/agp_device.c75
-rw-r--r--src/device/pci_device.c4
4 files changed, 0 insertions, 85 deletions
diff --git a/src/device/Kconfig b/src/device/Kconfig
index 532980b78e..91da02a193 100644
--- a/src/device/Kconfig
+++ b/src/device/Kconfig
@@ -225,11 +225,6 @@ config PCIEXP_PLUGIN_SUPPORT
depends on PCI
default y
-config AGP_PLUGIN_SUPPORT
- bool
- depends on PCI
- default y
-
config CARDBUS_PLUGIN_SUPPORT
bool
depends on PCI
diff --git a/src/device/Makefile.inc b/src/device/Makefile.inc
index 7fdd9b587d..8c9ba5de05 100644
--- a/src/device/Makefile.inc
+++ b/src/device/Makefile.inc
@@ -6,7 +6,6 @@ ramstage-$(CONFIG_PCI) += pci_device.c
ramstage-$(CONFIG_HYPERTRANSPORT_PLUGIN_SUPPORT) += hypertransport.c
ramstage-$(CONFIG_PCIX_PLUGIN_SUPPORT) += pcix_device.c
ramstage-$(CONFIG_PCIEXP_PLUGIN_SUPPORT) += pciexp_device.c
-ramstage-$(CONFIG_AGP_PLUGIN_SUPPORT) += agp_device.c
ramstage-$(CONFIG_CARDBUS_PLUGIN_SUPPORT) += cardbus_device.c
ramstage-$(CONFIG_AZALIA_PLUGIN_SUPPORT) += azalia_device.c
ramstage-$(CONFIG_ARCH_RAMSTAGE_X86_32) += pnp_device.c
diff --git a/src/device/agp_device.c b/src/device/agp_device.c
deleted file mode 100644
index 550297afb6..0000000000
--- a/src/device/agp_device.c
+++ /dev/null
@@ -1,75 +0,0 @@
-/*
- * This file is part of the coreboot project.
- *
- * Copyright (C) 2005 Linux Networx
- * (Written by Eric Biederman <ebiederman@lnxi.com> for Linux Networx)
- *
- * 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; version 2 of the License.
- *
- * 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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
- */
-
-#include <console/console.h>
-#include <device/device.h>
-#include <device/pci.h>
-#include <device/pci_ids.h>
-#include <device/agp.h>
-
-static void agp_tune_dev(device_t dev)
-{
- unsigned int cap;
-
- cap = pci_find_capability(dev, PCI_CAP_ID_AGP);
- if (!cap)
- return;
-
- /* The OS is responsible for AGP tuning so do nothing here. */
-}
-
-unsigned int agp_scan_bus(struct bus *bus, unsigned int min_devfn,
- unsigned int max_devfn, unsigned int max)
-{
- device_t child;
-
- max = pci_scan_bus(bus, min_devfn, max_devfn, max);
-
- for (child = bus->children; child; child = child->sibling) {
- if ((child->path.pci.devfn < min_devfn) ||
- (child->path.pci.devfn > max_devfn)) {
- continue;
- }
- agp_tune_dev(child);
- }
-
- return max;
-}
-
-unsigned int agp_scan_bridge(device_t dev, unsigned int max)
-{
- return do_pci_scan_bridge(dev, max, agp_scan_bus);
-}
-
-/** Default device operations for AGP bridges. */
-static struct pci_operations agp_bus_ops_pci = {
- .set_subsystem = 0,
-};
-
-struct device_operations default_agp_ops_bus = {
- .read_resources = pci_bus_read_resources,
- .set_resources = pci_dev_set_resources,
- .enable_resources = pci_bus_enable_resources,
- .init = 0,
- .scan_bus = agp_scan_bridge,
- .enable = 0,
- .reset_bus = pci_bus_reset,
- .ops_pci = &agp_bus_ops_pci,
-};
diff --git a/src/device/pci_device.c b/src/device/pci_device.c
index 862ed0e783..127ee32fe2 100644
--- a/src/device/pci_device.c
+++ b/src/device/pci_device.c
@@ -32,7 +32,6 @@
#include <stdint.h>
#include <string.h>
#include <delay.h>
-#include <device/agp.h>
#include <device/cardbus.h>
#include <device/device.h>
#include <device/pci.h>
@@ -771,9 +770,6 @@ static struct device_operations *get_pci_bridge_ops(device_t dev)
return &default_pcix_ops_bus;
}
#endif
-#if CONFIG_AGP_PLUGIN_SUPPORT
- /* How do I detect a PCI to AGP bridge? */
-#endif
#if CONFIG_HYPERTRANSPORT_PLUGIN_SUPPORT
unsigned int htpos = 0;
while ((htpos = pci_find_next_capability(dev, PCI_CAP_ID_HT, htpos))) {