[coreboot-gerrit] New patch to review for coreboot: 4a18d8b kontron/ktqm77: Allow disabling onboard NICs

[Patrick Georgi (patrick@georgi-clan.de)]

Patrick Georgi (patrick at georgi-clan.de) just uploaded a new patch set to gerrit, which you can find at http://review.coreboot.org/3870

-gerrit

commit 4a18d8b3cc971cc994af69e684438cab94807a11
Author: Patrick Georgi <patrick.georgi at secunet.com>
Date:   Thu Aug 15 14:57:09 2013 +0200

    kontron/ktqm77: Allow disabling onboard NICs
    
    Two new nvram variables control disabling the two non-ME NICs
    on the mainboard. This is implemented by disabling their PCIe bridge.
    
    Change-Id: I086f0d79de3ad0b53fa0ec40648d63378070e3bd
    Signed-off-by: Patrick Georgi <patrick.georgi at secunet.com>
---
 src/mainboard/kontron/ktqm77/cmos.layout |  4 +++-
 src/mainboard/kontron/ktqm77/mainboard.c | 17 +++++++++++++++++
 2 files changed, 20 insertions(+), 1 deletion(-)

diff --git a/src/mainboard/kontron/ktqm77/cmos.layout b/src/mainboard/kontron/ktqm77/cmos.layout
index 15d8e45..47cd60f 100644
--- a/src/mainboard/kontron/ktqm77/cmos.layout
+++ b/src/mainboard/kontron/ktqm77/cmos.layout
@@ -99,7 +99,9 @@ entries
 512        328       s       0        boot_devices
 840          8       h       0        boot_default
 848          1       e       9        cmos_defaults_loaded
-#849          7       r       0        unused
+849          1       e       2        ethernet1
+850          1       e       2        ethernet2
+#851          5       r       0        unused
 
 # coreboot config options: mainboard specific options
 856          2       e       8        fan1_mode
diff --git a/src/mainboard/kontron/ktqm77/mainboard.c b/src/mainboard/kontron/ktqm77/mainboard.c
index 454976c..3829d72 100644
--- a/src/mainboard/kontron/ktqm77/mainboard.c
+++ b/src/mainboard/kontron/ktqm77/mainboard.c
@@ -161,6 +161,23 @@ static void mainboard_enable(device_t dev)
 	mainboard_interrupt_handlers(0x15, &int15_handler);
 #endif
 	verb_setup();
+
+	unsigned disable = 0;
+	if ((get_option(&disable, "ethernet1") == 0) && disable) {
+		device_t nic = dev_find_slot(0, PCI_DEVFN(0x1c, 2));
+		if (nic) {
+			printk(BIOS_DEBUG, "DISABLE FIRST NIC!\n");
+			nic->enabled = 0;
+		}
+	}
+	disable = 0;
+	if ((get_option(&disable, "ethernet2") == 0) && disable) {
+		device_t nic = dev_find_slot(0, PCI_DEVFN(0x1c, 3));
+		if (nic) {
+			printk(BIOS_DEBUG, "DISABLE SECOND NIC!\n");
+			nic->enabled = 0;
+		}
+	}
 }
 
 struct chip_operations mainboard_ops = {