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-rw-r--r--src/mainboard/google/dedede/variants/metaknight/Makefile.inc1
-rw-r--r--src/mainboard/google/dedede/variants/metaknight/overridetree.cb25
-rw-r--r--src/mainboard/google/dedede/variants/metaknight/ramstage.c53
3 files changed, 58 insertions, 21 deletions
diff --git a/src/mainboard/google/dedede/variants/metaknight/Makefile.inc b/src/mainboard/google/dedede/variants/metaknight/Makefile.inc
index 67a7ab235a..2479ae9e66 100644
--- a/src/mainboard/google/dedede/variants/metaknight/Makefile.inc
+++ b/src/mainboard/google/dedede/variants/metaknight/Makefile.inc
@@ -1,5 +1,6 @@
# SPDX-License-Identifier: GPL-2.0-only
ramstage-y += gpio.c
+ramstage-y += ramstage.c
smm-y += variant.c
diff --git a/src/mainboard/google/dedede/variants/metaknight/overridetree.cb b/src/mainboard/google/dedede/variants/metaknight/overridetree.cb
index 0052ec72d3..c8c56f9a9f 100644
--- a/src/mainboard/google/dedede/variants/metaknight/overridetree.cb
+++ b/src/mainboard/google/dedede/variants/metaknight/overridetree.cb
@@ -69,23 +69,12 @@ chip soc/intel/jasperlake
chip drivers/usb/acpi
device usb 0.0 on
chip drivers/usb/acpi
- register "desc" = ""LTE""
- register "type" = "UPC_TYPE_INTERNAL"
- register "has_power_resource" = "1"
- register "reset_gpio" = "ACPI_GPIO_OUTPUT_ACTIVE_LOW(GPP_H17)"
- register "reset_off_delay_ms" = "10"
- register "enable_gpio" = "ACPI_GPIO_OUTPUT_ACTIVE_HIGH(GPP_A10)"
- register "enable_delay_ms" = "20"
- device usb 2.3 on
- probe DB_PORTS DB_PORTS_LTE_HDMI
- end
- end
- chip drivers/usb/acpi
- register "desc" = ""Right Type-A Port""
+ register "desc" = ""Multi-use Port""
register "type" = "UPC_TYPE_A"
register "group" = "ACPI_PLD_GROUP(2, 2)"
device usb 2.3 on
probe DB_PORTS DB_PORTS_1A_HDMI
+ probe DB_PORTS DB_PORTS_LTE_HDMI
end
end
chip drivers/usb/acpi
@@ -99,18 +88,12 @@ chip soc/intel/jasperlake
device usb 2.6 on end
end
chip drivers/usb/acpi
- register "desc" = ""LTE""
- register "type" = "UPC_TYPE_INTERNAL"
- device usb 3.3 on
- probe DB_PORTS DB_PORTS_LTE_HDMI
- end
- end
- chip drivers/usb/acpi
- register "desc" = ""Right Type-A Port""
+ register "desc" = ""Multi-use Port""
register "type" = "UPC_TYPE_USB3_A"
register "group" = "ACPI_PLD_GROUP(2, 2)"
device usb 3.3 on
probe DB_PORTS DB_PORTS_1A_HDMI
+ probe DB_PORTS DB_PORTS_LTE_HDMI
end
end
end
diff --git a/src/mainboard/google/dedede/variants/metaknight/ramstage.c b/src/mainboard/google/dedede/variants/metaknight/ramstage.c
new file mode 100644
index 0000000000..3c8e1967f6
--- /dev/null
+++ b/src/mainboard/google/dedede/variants/metaknight/ramstage.c
@@ -0,0 +1,53 @@
+/* SPDX-License-Identifier: GPL-2.0-or-later */
+
+#include <acpi/acpi_device.h>
+#include <baseboard/variants.h>
+#include <console/console.h>
+#include <drivers/usb/acpi/chip.h>
+#include <fw_config.h>
+#include <gpio.h>
+#include <soc/pci_devs.h>
+
+#define LTE_USB_PORT_ID 3
+#define LTE_USB_PORT_TYPE 2
+static struct acpi_gpio lte_reset_gpio = ACPI_GPIO_OUTPUT_ACTIVE_LOW(GPP_H17);
+static struct acpi_gpio lte_enable_gpio = ACPI_GPIO_OUTPUT_ACTIVE_HIGH(GPP_A10);
+
+static void update_xhci_devtree(void)
+{
+ struct device *xhci, *hub = NULL, *port = NULL;
+ struct drivers_usb_acpi_config *config;
+
+ xhci = pcidev_path_on_root(PCH_DEVFN_XHCI);
+ if (!xhci) {
+ printk(BIOS_ERR, "%s: Could not locate XHCI device in DT\n", __func__);
+ return;
+ }
+
+ while ((hub = dev_bus_each_child(xhci->link_list, hub)) != NULL) {
+ while ((port = dev_bus_each_child(hub->link_list, port)) != NULL) {
+ if (!port->chip_info || port->path.usb.port_id != LTE_USB_PORT_ID)
+ continue;
+
+ if (!fw_config_probe(FW_CONFIG(DB_PORTS, DB_PORTS_LTE_HDMI)))
+ continue;
+
+ config = port->chip_info;
+ config->type = UPC_TYPE_INTERNAL;
+ if (port->path.usb.port_type == LTE_USB_PORT_TYPE) {
+ config->has_power_resource = 1;
+ memcpy(&config->reset_gpio, &lte_reset_gpio,
+ sizeof(config->reset_gpio));
+ config->reset_off_delay_ms = 10;
+ memcpy(&config->enable_gpio, &lte_enable_gpio,
+ sizeof(config->enable_gpio));
+ config->enable_delay_ms = 20;
+ }
+ }
+ }
+}
+
+void variant_devtree_update(void)
+{
+ update_xhci_devtree();
+}