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mb/kontron/986lcd-m: Implement disabling ethernet NIC in ramstage

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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 <arthur@aheymans.xyz>
Reviewed-on: https://review.coreboot.org/c/30245
Reviewed-by: Patrick Georgi <pgeorgi@google.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
This commit is contained in:
Arthur Heymans
2018-12-16 01:04:24 +01:00
committed by Patrick Georgi
parent e6e5ecb7e8
commit cf2783882f
3 changed files with 28 additions and 53 deletions
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28
src/mainboard/kontron/986lcd-m/mainboard.c
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@@ -13,8 +13,10 @@
* GNU General Public License for more details.
*/
#include <string.h>
#include <types.h>
#include <device/device.h>
#include <device/pci_def.h>
#include <console/console.h>
#include <drivers/intel/gma/int15.h>
#include <pc80/mc146818rtc.h>
@@ -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(&ethernet_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,
};