From cf2783882f914c2a50d06a7a31130ecb0b160f05 Mon Sep 17 00:00:00 2001 From: Arthur Heymans Date: Sun, 16 Dec 2018 01:04:24 +0100 Subject: mb/kontron/986lcd-m: Implement disabling ethernet NIC in ramstage With the i82801gx code automatically disabling devices ethernet NICs attached to the southbridge PCIe ports can now be disabled during the ramstage. Change-Id: If4163f8101d37cc09c0b51b1be20bf8388ed2b89 Signed-off-by: Arthur Heymans Reviewed-on: https://review.coreboot.org/c/30245 Reviewed-by: Patrick Georgi Tested-by: build bot (Jenkins) --- src/mainboard/kontron/986lcd-m/mainboard.c | 28 ++++++++++++++++++++++++++++ 1 file changed, 28 insertions(+) (limited to 'src/mainboard/kontron/986lcd-m/mainboard.c') diff --git a/src/mainboard/kontron/986lcd-m/mainboard.c b/src/mainboard/kontron/986lcd-m/mainboard.c index cc32b998ec..d0d6c6bdbe 100644 --- a/src/mainboard/kontron/986lcd-m/mainboard.c +++ b/src/mainboard/kontron/986lcd-m/mainboard.c @@ -13,8 +13,10 @@ * GNU General Public License for more details. */ +#include #include #include +#include #include #include #include @@ -157,6 +159,32 @@ static void mainboard_enable(struct device *dev) hwm_setup(); } +static void mainboard_init(void *chip_info) +{ + int i; + struct device *dev; + + for (i = 1; i <= 3; i++) { + int ethernet_disable = 0; + char cmos_option_name[] = "ethernetx"; + snprintf(cmos_option_name, sizeof(cmos_option_name), + "ethernet%01d", i); + get_option(ðernet_disable, cmos_option_name); + if (!ethernet_disable) + continue; + printk(BIOS_DEBUG, "Disabling Ethernet NIC #%d\n", i); + dev = dev_find_slot(0, PCI_DEVFN(28, i - 1)); + if (dev == NULL) { + printk(BIOS_ERR, + "Disabling Ethernet NIC: Cannot find 00:1c.%d!\n", + i - 1); + continue; + } + dev->enabled = 0; + } +} + struct chip_operations mainboard_ops = { + .init = mainboard_init, .enable_dev = mainboard_enable, }; -- cgit v1.2.3