x86: Add chromebook_coral

Add support for coral which is a range of Apollo Lake-based Chromebook
released in 2017. This also includes reef released in 2016, since it is
based on the same SoC.

Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>

5 files changed, 88 insertions, 0 deletions

diff --git a/board/google/Kconfig b/board/google/Kconfig
index 679a0f1023..22c4be392f 100644
--- a/board/google/Kconfig
+++ b/board/google/Kconfig
@@ -8,6 +8,20 @@ choice
 	prompt "Mainboard model"
 	optional
 
+config TARGET_CHROMEBOOK_CORAL
+	bool "Chromebook coral"
+	help
+	  This is a range of Intel-based laptops released in 2018. They use an
+	  Intel Apollo Lake SoC. The design supports WiFi, 4GB to 16GB of
+	  LPDDR4 1600MHz SDRAM, PCIe WiFi and Bluetooth, eMMC (typically 32GB),
+	  up two cameras (front-facing 720p and another 5MP option), USB SD
+	  reader, microphone and speakers. It also includes two USB 3 Type A and
+	  two Type C ports. The latter are used as power input and can also
+	  charge external devices as well as a 4K external display. There is a
+	  Chrome OS EC connected on LPC, a Cr50 secure chip from Google and
+	  various display options. OEMs products include Acer Chromebook 11
+	  (e.g. C732, CB11, CP311) and Lenovo Chromebook (100e, 300e, 500e).
+
 config TARGET_CHROMEBOOK_LINK
 	bool "Chromebook link"
 	help
@@ -62,6 +76,7 @@ config TARGET_CHROMEBOOK_SAMUS_TPL
 
 endchoice
 
+source "board/google/chromebook_coral/Kconfig"
 source "board/google/chromebook_link/Kconfig"
 source "board/google/chromebox_panther/Kconfig"
 source "board/google/chromebook_samus/Kconfig"
diff --git a/board/google/chromebook_coral/Kconfig b/board/google/chromebook_coral/Kconfig
new file mode 100644
index 0000000000..940bee89b0
--- /dev/null
+++ b/board/google/chromebook_coral/Kconfig
@@ -0,0 +1,43 @@
+if TARGET_CHROMEBOOK_CORAL
+
+config SYS_BOARD
+	default "chromebook_coral"
+
+config SYS_VENDOR
+	default "google"
+
+config SYS_SOC
+	default "apollolake"
+
+config SYS_CONFIG_NAME
+	default "chromebook_coral"
+
+config SYS_TEXT_BASE
+	default 0xffe00000
+
+config BOARD_SPECIFIC_OPTIONS # dummy
+	def_bool y
+	select X86_RESET_VECTOR
+	select INTEL_APOLLOLAKE
+	select BOARD_ROMSIZE_KB_16384
+
+config PCIE_ECAM_BASE
+	default 0xf0000000
+
+config EARLY_POST_CROS_EC
+	bool "Enable early post to Chrome OS EC"
+	help
+	  Allow post codes to be sent to the Chroem OS EC early during boot,
+	  to enable monitoring of the boot and debugging when things go wrong.
+	  With this option enabled, the EC console can be used to watch post
+	  codes the first part of boot.
+
+config SYS_CAR_ADDR
+	hex
+	default 0xfef00000
+
+config SYS_CAR_SIZE
+	hex
+	default 0xc0000
+
+endif
diff --git a/board/google/chromebook_coral/MAINTAINERS b/board/google/chromebook_coral/MAINTAINERS
new file mode 100644
index 0000000000..904227e2e2
--- /dev/null
+++ b/board/google/chromebook_coral/MAINTAINERS
@@ -0,0 +1,6 @@
+CHROMEBOOK_CORAL_BOARD
+M:	Simon Glass <sjg@chromium.org>
+S:	Maintained
+F:	board/google/chromebook_coral/
+F:	include/configs/chromebook_coral.h
+F:	configs/chromebook_coral_defconfig
diff --git a/board/google/chromebook_coral/Makefile b/board/google/chromebook_coral/Makefile
new file mode 100644
index 0000000000..6a27ce3da1
--- /dev/null
+++ b/board/google/chromebook_coral/Makefile
@@ -0,0 +1,5 @@
+# SPDX-License-Identifier: GPL-2.0+
+#
+# Copyright 2019 Google LLC
+
+obj-y	+= coral.o
diff --git a/board/google/chromebook_coral/coral.c b/board/google/chromebook_coral/coral.c
new file mode 100644
index 0000000000..4e34710b97
--- /dev/null
+++ b/board/google/chromebook_coral/coral.c
@@ -0,0 +1,19 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * Copyright 2019 Google LLC
+ */
+
+#include <common.h>
+
+int arch_misc_init(void)
+{
+	return 0;
+}
+
+/* This function is needed if CONFIG_CMDLINE is not enabled */
+int board_run_command(const char *cmdline)
+{
+	printf("No command line\n");
+
+	return 0;
+}