mb/google/dedede/var/kracko: Disable un-used C1 port by daughterboard
Probe C1 port in devicetree and disable un-used C1/A1 port by FW_CONFG.
BUG=b:339534479
BRANCH=firmware-dedede-13606.B
TEST=emerge-dedede coreboot chromeos-bootimage
flash and check boot log on DUT.
Change-Id: I944ff6f2fa712e7579ed1c9879f75835adc3ac4c
Signed-off-by: Robert Chen <robert.chen@quanta.corp-partner.google.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/82263
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Eric Lai <ericllai@google.com>
Reviewed-by: Karthik Ramasubramanian <kramasub@google.com>
diff --git a/src/mainboard/google/dedede/variants/kracko/ramstage.c b/src/mainboard/google/dedede/variants/kracko/ramstage.c
index 255e585..459fc77 100644
--- a/src/mainboard/google/dedede/variants/kracko/ramstage.c
+++ b/src/mainboard/google/dedede/variants/kracko/ramstage.c
@@ -11,7 +11,23 @@
cfg->disable_external_bypass_vr = 1;
}
+static void usb_port_update(void)
+{
+ struct soc_intel_jasperlake_config *cfg = config_of_soc();
+
+ if (fw_config_is_provisioned() &&
+ fw_config_probe(FW_CONFIG(DB_PORTS, DB_PORTS_NONE))) {
+ /* Disable USB C1 port */
+ cfg->usb2_ports[1].enable = 0;
+ cfg->usb3_ports[1].enable = 0;
+ /* Disable USB A1 port */
+ cfg->usb2_ports[3].enable = 0;
+ cfg->usb3_ports[3].enable = 0;
+ }
+}
+
void variant_devtree_update(void)
{
ext_vr_update();
+ usb_port_update();
}