trogdor: Provide initial mainboard support

Change-Id: Ic2f0944b92dcad7048a0c38720d2ef3c855ef007
Signed-off-by: T Michael Turney <mturney@codeaurora.org>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/35495
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Julius Werner <jwerner@chromium.org>

src/mainboard/google/trogdor/Kconfig

@@ -0,0 +1,50 @@
+
+config BOARD_GOOGLE_TROGDOR_COMMON  # Umbrella option to be selected by variants
+	def_bool n
+
+if BOARD_GOOGLE_TROGDOR_COMMON
+
+config BOARD_SPECIFIC_OPTIONS
+	def_bool y
+	select BOARD_ROMSIZE_KB_8192
+	select COMMON_CBFS_SPI_WRAPPER
+	select EC_GOOGLE_CHROMEEC
+	select EC_GOOGLE_CHROMEEC_RTC
+	select EC_GOOGLE_CHROMEEC_SPI
+	select RTC
+	select SOC_QUALCOMM_SC7180
+	select SPI_FLASH
+	select SPI_FLASH_WINBOND
+	select MAINBOARD_HAS_CHROMEOS
+
+config VBOOT
+	select EC_GOOGLE_CHROMEEC_SWITCHES
+	select VBOOT_VBNV_FLASH
+	select GBB_FLAG_DISABLE_EC_SOFTWARE_SYNC
+	select VBOOT_MOCK_SECDATA
+
+config MAINBOARD_DIR
+	string
+	default google/trogdor
+
+config MAINBOARD_VENDOR
+	string
+	default "Google"
+
+config DRIVER_TPM_SPI_BUS
+	hex
+	default 0x5
+
+config EC_GOOGLE_CHROMEEC_SPI_BUS
+	hex
+	default 0xa
+
+##########################################################
+#### Update below when adding a new derivative board. ####
+##########################################################
+
+config MAINBOARD_PART_NUMBER
+	string
+	default "Trogdor" if BOARD_GOOGLE_TROGDOR
+
+endif # BOARD_GOOGLE_TROGDOR_COMMON

src/mainboard/google/trogdor/Kconfig.name

@@ -0,0 +1,4 @@
+
+config BOARD_GOOGLE_TROGDOR
+	bool "Trogdor"
+	select BOARD_GOOGLE_TROGDOR_COMMON

src/mainboard/google/trogdor/Makefile.inc

@@ -0,0 +1,30 @@
+##
+## This file is part of the coreboot project.
+##
+## Copyright 2018 Google LLC
+## Copyright 2019 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 as published by
+## the Free Software Foundation; version 2 of the License.
+##
+## 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.
+##
+
+bootblock-y += memlayout.ld
+bootblock-y += reset.c
+
+verstage-y += memlayout.ld
+verstage-y += reset.c
+
+romstage-y += memlayout.ld
+romstage-y += romstage.c
+romstage-y += reset.c
+
+ramstage-y += memlayout.ld
+ramstage-y += mainboard.c
+ramstage-y += reset.c
+ramstage-y += chromeos.c

src/mainboard/google/trogdor/board_info.txt

@@ -0,0 +1,6 @@
+Vendor name: Google
+Board name: Trogdor Qualcomm sc7180 reference board
+Category: eval
+ROM protocol: SPI
+ROM socketed: n
+Flashrom support: y

src/mainboard/google/trogdor/chromeos.c

@@ -0,0 +1,27 @@
+/*
+ * 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 <boot/coreboot_tables.h>
+#include <bootmode.h>
+
+int get_write_protect_state(void)
+{
+	return 0;
+}
+
+void fill_lb_gpios(struct lb_gpios *gpios)
+{
+
+}

src/mainboard/google/trogdor/chromeos.fmd

@@ -0,0 +1,54 @@
+##
+## This file is part of the coreboot project.
+##
+## Copyright (C) 2018-2019, 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.
+##
+
+FLASH@0x0 8M {
+	WP_RO 4M {
+		RO_SECTION 0x204000 {
+			BOOTBLOCK 96K
+			COREBOOT(CBFS)
+			FMAP@0x200000 0x1000
+			GBB 0x2f00
+			RO_FRID 0x100
+		}
+		RO_VPD(PRESERVE) 16K
+		RO_DDR_TRAINING(PRESERVE) 8K
+		RO_LIMITS_CFG(PRESERVE) 4K
+		RO_FSG(PRESERVE)
+	}
+
+	RW_VPD(PRESERVE) 32K
+	RW_NVRAM(PRESERVE) 16K
+	RW_DDR_TRAINING(PRESERVE) 8K
+	RW_LIMITS_CFG(PRESERVE) 4K
+	RW_ELOG(PRESERVE) 4K
+	RW_SHARED 4K {
+		SHARED_DATA
+	}
+
+	RW_SECTION_A 1280K {
+		VBLOCK_A 8K
+		FW_MAIN_A(CBFS)
+		RW_FWID_A 256
+	}
+
+
+	RW_SECTION_B 1280K {
+		VBLOCK_B 8K
+		FW_MAIN_B(CBFS)
+		RW_FWID_B 256
+	}
+
+	RW_LEGACY(CBFS)
+}

src/mainboard/google/trogdor/devicetree.cb

@@ -0,0 +1,18 @@
+##
+## This file is part of the coreboot project.
+##
+## Copyright (C) 2018-2019, 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.
+##
+
+chip soc/qualcomm/sc7180
+	device cpu_cluster 0 on end
+end

src/mainboard/google/trogdor/mainboard.c

@@ -0,0 +1,35 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2018-2019, 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 <device/device.h>
+#include <bootblock_common.h>
+#include <arch/mmio.h>
+#include <gpio.h>
+#include <timestamp.h>
+
+static void mainboard_init(struct device *dev)
+{
+
+}
+
+static void mainboard_enable(struct device *dev)
+{
+	dev->ops->init = &mainboard_init;
+}
+
+struct chip_operations mainboard_ops = {
+	.name = CONFIG_MAINBOARD_PART_NUMBER,
+	.enable_dev = mainboard_enable,
+};

src/mainboard/google/trogdor/memlayout.ld

@@ -0,0 +1,16 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2018-2019, 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 <soc/memlayout.ld>

src/mainboard/google/trogdor/reset.c

@@ -0,0 +1,25 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright 2018 Google LLC
+ * Copyright 2019 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 as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * 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 <ec/google/chromeec/ec.h>
+#include <reset.h>
+
+/* Can't do a "real" reset before the PMIC is initialized in QcLib (romstage),
+   but this works well enough for our purposes. */
+void do_board_reset(void)
+{
+	google_chromeec_reboot(0, EC_REBOOT_COLD, 0);
+}

src/mainboard/google/trogdor/romstage.c

@@ -0,0 +1,23 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2018-2019, 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 <arch/stages.h>
+#include <soc/qclib_common.h>
+
+void platform_romstage_main(void)
+{
+	/* QCLib: DDR init & train */
+	qclib_load_and_run();
+}