From 655220ae69b553e600d6225b550f045e9b212638 Mon Sep 17 00:00:00 2001
From: T Michael Turney <mturney@codeaurora.org>
Date: Tue, 22 Oct 2019 06:26:21 -0700
Subject: trogdor: Add mainboard USB support

Change-Id: I126d1d6b582ea95c97ac55784d44d3081aabdae7
Signed-off-by: Sandeep Maheswaram <sanm@codeaurora.org>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/36232
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Julius Werner <jwerner@chromium.org>
---
 src/mainboard/google/trogdor/mainboard.c | 14 +++++++++++++-
 src/mainboard/google/trogdor/romstage.c  | 12 ++++++++++++
 2 files changed, 25 insertions(+), 1 deletion(-)

(limited to 'src/mainboard')

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();
 }
-- 
cgit v1.2.3