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-rw-r--r--src/mainboard/google/trogdor/mainboard.c14
-rw-r--r--src/mainboard/google/trogdor/romstage.c12
2 files changed, 25 insertions, 1 deletions
diff --git a/src/mainboard/google/trogdor/mainboard.c b/src/mainboard/google/trogdor/mainboard.c
index 42af265cd9..63fac19984 100644
--- a/src/mainboard/google/trogdor/mainboard.c
+++ b/src/mainboard/google/trogdor/mainboard.c
@@ -18,10 +18,22 @@
#include <device/mmio.h>
#include <gpio.h>
#include <timestamp.h>
+#include <soc/usb.h>
-static void mainboard_init(struct device *dev)
+static struct usb_board_data usb0_board_data = {
+ .pll_bias_control_2 = 0x22,
+ .imp_ctrl1 = 0x08,
+ .port_tune1 = 0xc5,
+};
+
+static void setup_usb(void)
{
+ setup_usb_host0(&usb0_board_data);
+}
+static void mainboard_init(struct device *dev)
+{
+ setup_usb();
}
static void mainboard_enable(struct device *dev)
diff --git a/src/mainboard/google/trogdor/romstage.c b/src/mainboard/google/trogdor/romstage.c
index 718538728c..872798a791 100644
--- a/src/mainboard/google/trogdor/romstage.c
+++ b/src/mainboard/google/trogdor/romstage.c
@@ -14,10 +14,22 @@
*/
#include <arch/stages.h>
+#include <soc/usb.h>
#include <soc/qclib_common.h>
+static void prepare_usb(void)
+{
+ /*
+ * Do DWC3 core and phy reset. Kick these resets
+ * off early so they get at least 1ms to settle.
+ */
+ reset_usb0();
+}
+
void platform_romstage_main(void)
{
+ prepare_usb();
+
/* QCLib: DDR init & train */
qclib_load_and_run();
}