google/gru: Add a stub rk3399 mainboard

Most things still need to be filled in, but this will allow
us to build boards which use this SOC.

[pg: separated out from the combined commit that added both SoC and
board. Added board_info.txt that will be added downstream, too.]

Change-Id: I7facce7b98a5d19fb77746b1aee67fff74da8150
Signed-off-by: Patrick Georgi <pgeorgi@chromium.org>
Original-Commit-Id: 27dfc39efe95025be2271e2e00e9df93b7907840
Original-Change-Id: I6f2407ff578dcd3d0daed86dd03d8f5f4edcac53
Original-Signed-off-by: huang lin <hl@rock-chips.com>
Original-Signed-off-by: Vadim Bendebury <vbendeb@chromium.org>
Original-Reviewed-on: https://chromium-review.googlesource.com/332385
Reviewed-on: https://review.coreboot.org/14279
Tested-by: build bot (Jenkins)
Reviewed-by: Martin Roth <martinroth@google.com>
Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>

13 files changed, 347 insertions, 0 deletions

diff --git a/src/mainboard/google/gru/Kconfig b/src/mainboard/google/gru/Kconfig
new file mode 100644
index 0000000000..c225d101e1
--- /dev/null
+++ b/src/mainboard/google/gru/Kconfig
@@ -0,0 +1,67 @@
+##
+## This file is part of the coreboot project.
+##
+## Copyright 2016 Rockchip Inc.
+##
+## 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.
+##
+
+config BOARD_GOOGLE_GRU  # Umbrella option to be selected by variant boards.
+	def_bool n
+
+if BOARD_GOOGLE_GRU
+
+config BOARD_SPECIFIC_OPTIONS
+	def_bool y
+	select BOARD_ID_AUTO
+	select BOARD_ROMSIZE_KB_8192
+	select COMMON_CBFS_SPI_WRAPPER
+	select HAVE_HARD_RESET
+	select MAINBOARD_HAS_CHROMEOS
+	select SOC_ROCKCHIP_RK3399
+	select SPI_FLASH
+	select SPI_FLASH_GIGADEVICE
+	select SPI_FLASH_WINBOND
+
+config CHROMEOS
+	select CHROMEOS_VBNV_FLASH
+	select VBOOT2_MOCK_SECDATA
+	select VIRTUAL_DEV_SWITCH
+
+config MAINBOARD_DIR
+	string
+	default google/gru
+
+config MAINBOARD_PART_NUMBER
+	string
+	default "Gru"
+
+config MAINBOARD_VENDOR
+	string
+	default "Google"
+
+config DRAM_SIZE_MB
+	int
+	default 2048
+
+config EC_GOOGLE_CHROMEEC_SPI_BUS
+	hex
+	default 0
+
+config BOOT_MEDIA_SPI_BUS
+	int
+	default 1
+
+config CONSOLE_SERIAL_UART_ADDRESS
+	hex
+	depends on DRIVERS_UART
+	default 0xFF1A0000
+
+endif # BOARD_GOOGLE_GRU
diff --git a/src/mainboard/google/gru/Kconfig.name b/src/mainboard/google/gru/Kconfig.name
new file mode 100644
index 0000000000..bd5037e87c
--- /dev/null
+++ b/src/mainboard/google/gru/Kconfig.name
@@ -0,0 +1,3 @@
+config BOARD_GOOGLE_KEVIN
+	bool "Kevin"
+	select BOARD_GOOGLE_GRU
diff --git a/src/mainboard/google/gru/Makefile.inc b/src/mainboard/google/gru/Makefile.inc
new file mode 100644
index 0000000000..752830c4cc
--- /dev/null
+++ b/src/mainboard/google/gru/Makefile.inc
@@ -0,0 +1,38 @@
+##
+## This file is part of the coreboot project.
+##
+## Copyright 2016 Rockchip Inc.
+##
+## 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 += boardid.c
+bootblock-y += bootblock.c
+bootblock-y += chromeos.c
+bootblock-y += memlayout.ld
+bootblock-y += reset.c
+
+verstage-y += boardid.c
+verstage-y += chromeos.c
+verstage-y += memlayout.ld
+verstage-y += memlayout.ld
+verstage-y += reset.c
+
+romstage-y += boardid.c
+romstage-y += chromeos.c
+romstage-y += memlayout.ld
+romstage-y += reset.c
+romstage-y += romstage.c
+
+ramstage-y += boardid.c
+ramstage-y += chromeos.c
+ramstage-y += mainboard.c
+ramstage-y += memlayout.ld
+ramstage-y += reset.c
diff --git a/src/mainboard/google/gru/board_info.txt b/src/mainboard/google/gru/board_info.txt
new file mode 100644
index 0000000000..ced38a34b0
--- /dev/null
+++ b/src/mainboard/google/gru/board_info.txt
@@ -0,0 +1,6 @@
+Vendor name: Google
+Board name: Gru Rockchip RK3399 reference board
+Category: eval
+ROM protocol: SPI
+ROM socketed: n
+Flashrom support: y
diff --git a/src/mainboard/google/gru/boardid.c b/src/mainboard/google/gru/boardid.c
new file mode 100644
index 0000000000..f62fe97226
--- /dev/null
+++ b/src/mainboard/google/gru/boardid.c
@@ -0,0 +1,28 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright 2016 Rockchip Inc.
+ *
+ * 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 <boardid.h>
+#include <console/console.h>
+#include <stdlib.h>
+
+uint8_t board_id(void)
+{
+	return 0;
+}
+
+uint32_t ram_code(void)
+{
+	return 0;
+}
diff --git a/src/mainboard/google/gru/bootblock.c b/src/mainboard/google/gru/bootblock.c
new file mode 100644
index 0000000000..bdc75dd589
--- /dev/null
+++ b/src/mainboard/google/gru/bootblock.c
@@ -0,0 +1,25 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright 2016 Rockchip Inc.
+ *
+ * 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 <bootblock_common.h>
+
+void bootblock_mainboard_early_init(void)
+{
+}
+
+void bootblock_mainboard_init(void)
+{
+}
diff --git a/src/mainboard/google/gru/chromeos.c b/src/mainboard/google/gru/chromeos.c
new file mode 100644
index 0000000000..6f9380d33c
--- /dev/null
+++ b/src/mainboard/google/gru/chromeos.c
@@ -0,0 +1,41 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright 2016 Rockchip Inc.
+ *
+ * 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 <boot/coreboot_tables.h>
+#include <console/console.h>
+#include <ec/google/chromeec/ec.h>
+#include <ec/google/chromeec/ec_commands.h>
+#include <string.h>
+#include <vendorcode/google/chromeos/chromeos.h>
+
+void fill_lb_gpios(struct lb_gpios *gpios)
+{
+}
+
+int get_developer_mode_switch(void)
+{
+	return 0;
+}
+
+int get_recovery_mode_switch(void)
+{
+	return 0;
+}
+
+int get_write_protect_state(void)
+{
+	return 0;
+}
diff --git a/src/mainboard/google/gru/chromeos.fmd b/src/mainboard/google/gru/chromeos.fmd
new file mode 100644
index 0000000000..c3811707a8
--- /dev/null
+++ b/src/mainboard/google/gru/chromeos.fmd
@@ -0,0 +1,29 @@
+FLASH@0x0 0x800000 {
+	WP_RO@0x0 0x400000 {
+		RO_SECTION@0x0 0x3e0000 {
+			BOOTBLOCK@0 128K
+			COREBOOT(CBFS)@0x20000 0x2e0000
+			FMAP@0x300000 0x1000
+			GBB@0x301000 0xdef00
+			RO_FRID@0x3dff00 0x100
+		}
+		RO_VPD@0x3e0000 0x20000
+	}
+	RW_SECTION_A@0x400000 0xe8000 {
+		VBLOCK_A@0x0 0x2000
+		FW_MAIN_A(CBFS)@0x2000 0xe5f00
+		RW_FWID_A@0xe7f00 0x100
+	}
+	RW_VPD@0x4e8000 0x8000
+	RW_SECTION_B@0x4f0000 0xe8000 {
+		VBLOCK_B@0x0 0x2000
+		FW_MAIN_B(CBFS)@0x2000 0xe5f00
+		RW_FWID_B@0xe7f00 0x100
+	}
+	RW_ELOG@0x5d8000 0x8000
+	RW_SHARED@0x5e0000 0x10000 {
+		SHARED_DATA@0x0 0x10000
+	}
+	RW_NVRAM@0x5f0000 0x10000
+	RW_LEGACY@0x600000 0x200000
+}
diff --git a/src/mainboard/google/gru/devicetree.cb b/src/mainboard/google/gru/devicetree.cb
new file mode 100644
index 0000000000..b349888302
--- /dev/null
+++ b/src/mainboard/google/gru/devicetree.cb
@@ -0,0 +1,18 @@
+##
+## This file is part of the coreboot project.
+##
+## Copyright 2016 Rockchip Inc.
+##
+## 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.
+##
+
+chip soc/rockchip/rk3399
+	device cpu_cluster 0 on end
+end
diff --git a/src/mainboard/google/gru/mainboard.c b/src/mainboard/google/gru/mainboard.c
new file mode 100644
index 0000000000..1641838a5a
--- /dev/null
+++ b/src/mainboard/google/gru/mainboard.c
@@ -0,0 +1,36 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright 2016 Rockchip Inc.
+ *
+ * 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 <arch/cache.h>
+#include <arch/io.h>
+#include <boardid.h>
+#include <boot/coreboot_tables.h>
+#include <device/device.h>
+#include <console/console.h>
+
+static void mainboard_init(device_t dev)
+{
+}
+
+static void mainboard_enable(device_t dev)
+{
+	dev->ops->init = &mainboard_init;
+}
+
+struct chip_operations mainboard_ops = {
+	.name = CONFIG_MAINBOARD_PART_NUMBER,
+	.enable_dev = mainboard_enable,
+};
diff --git a/src/mainboard/google/gru/memlayout.ld b/src/mainboard/google/gru/memlayout.ld
new file mode 100644
index 0000000000..ead7f47838
--- /dev/null
+++ b/src/mainboard/google/gru/memlayout.ld
@@ -0,0 +1 @@
+#include <soc/memlayout.ld>
diff --git a/src/mainboard/google/gru/reset.c b/src/mainboard/google/gru/reset.c
new file mode 100644
index 0000000000..31d8b3de2d
--- /dev/null
+++ b/src/mainboard/google/gru/reset.c
@@ -0,0 +1,21 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright 2016 Rockchip Inc.
+ *
+ * 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 <arch/io.h>
+#include <reset.h>
+
+void hard_reset(void)
+{
+}
diff --git a/src/mainboard/google/gru/romstage.c b/src/mainboard/google/gru/romstage.c
new file mode 100644
index 0000000000..4786937acc
--- /dev/null
+++ b/src/mainboard/google/gru/romstage.c
@@ -0,0 +1,34 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright 2016 Rockchip Inc.
+ *
+ * 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 <arch/cache.h>
+#include <arch/cpu.h>
+#include <arch/exception.h>
+#include <arch/io.h>
+#include <cbfs.h>
+#include <console/console.h>
+#include <delay.h>
+#include <program_loading.h>
+#include <romstage_handoff.h>
+#include <symbols.h>
+
+void main(void)
+{
+	console_init();
+	exception_init();
+	cbmem_initialize_empty();
+	run_ramstage();
+}