From 69cc491c3f49602efd302fe778ea65a7e87b1622 Mon Sep 17 00:00:00 2001 From: Nitheesh Sekar Date: Wed, 27 Mar 2019 13:14:02 +0530 Subject: Mistral: Enable USB in romstage Enable USB support for mistral in romstage. TEST=build & run Change-Id: I5c2bbe16aa3601e014a2b77d192565402ed23794 Signed-off-by: Nitheesh Sekar Reviewed-on: https://review.coreboot.org/c/coreboot/+/32063 Tested-by: build bot (Jenkins) Reviewed-by: Patrick Georgi --- src/mainboard/google/mistral/Makefile.inc | 1 + src/mainboard/google/mistral/mainboard.c | 16 ++++++++++++++++ src/mainboard/google/mistral/romstage.c | 31 +++++++++++++++++++++++++++++++ 3 files changed, 48 insertions(+) create mode 100644 src/mainboard/google/mistral/romstage.c diff --git a/src/mainboard/google/mistral/Makefile.inc b/src/mainboard/google/mistral/Makefile.inc index dfb0bbc974..2cb963123b 100644 --- a/src/mainboard/google/mistral/Makefile.inc +++ b/src/mainboard/google/mistral/Makefile.inc @@ -11,6 +11,7 @@ verstage-y += reset.c romstage-y += memlayout.ld romstage-y += chromeos.c romstage-y += reset.c +romstage-y += romstage.c ramstage-y += memlayout.ld ramstage-y += chromeos.c diff --git a/src/mainboard/google/mistral/mainboard.c b/src/mainboard/google/mistral/mainboard.c index b45657f9dd..1d62adba5c 100644 --- a/src/mainboard/google/mistral/mainboard.c +++ b/src/mainboard/google/mistral/mainboard.c @@ -17,6 +17,20 @@ #include #include #include +#include + +static struct usb_board_data usb1_board_data = { + .parameter_override_x0 = 0x63, + .parameter_override_x1 = 0x03, + .parameter_override_x0 = 0x1d, + .parameter_override_x1 = 0x03, +}; + +static void setup_usb(void) +{ + /* Setting Secondary usb controller */ + setup_usb_host(HSUSB_HS_PORT_1, &usb1_board_data); +} static void mainboard_init(struct device *dev) { @@ -24,6 +38,8 @@ static void mainboard_init(struct device *dev) /* Copy WIFI calibration data into CBMEM. */ cbmem_add_vpd_calibration_data(); } + + setup_usb(); } static void mainboard_enable(struct device *dev) diff --git a/src/mainboard/google/mistral/romstage.c b/src/mainboard/google/mistral/romstage.c new file mode 100644 index 0000000000..41ee4edcbb --- /dev/null +++ b/src/mainboard/google/mistral/romstage.c @@ -0,0 +1,31 @@ +/* + * This file is part of the coreboot project. + * + * Copyright (C) 2018, The Linux Foundation. All rights reserved. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 and + * only version 2 as published by the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + */ + +#include +#include + +static void prepare_usb(void) +{ + /* + * Do DWC3 core and phy reset. Kick these resets off early + * so they get atleast 1msec to settle. + */ + reset_usb(HSUSB_HS_PORT_1); +} + +void platform_romstage_main(void) +{ + prepare_usb(); +} -- cgit v1.2.3