mb/google/corsola: Add MediaTek MT8186 reference board
Add mainboard folder and drivers for new reference board 'Corsola'.
TEST=build pass
BUG=b:200134633
Signed-off-by: Rex-BC Chen <rex-bc.chen@mediatek.com>
Change-Id: I2d701c03c97d3253effb6e93a2d55dcf6cf02db6
Reviewed-on: https://review.coreboot.org/c/coreboot/+/58648
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Rex-BC Chen <rex-bc.chen@mediatek.corp-partner.google.com>
Reviewed-by: Yu-Ping Wu <yupingso@google.com>
diff --git a/src/mainboard/google/corsola/Kconfig b/src/mainboard/google/corsola/Kconfig
new file mode 100644
index 0000000..8b38d2b
--- /dev/null
+++ b/src/mainboard/google/corsola/Kconfig
@@ -0,0 +1,25 @@
+## SPDX-License-Identifier: GPL-2.0-only
+
+# Umbrella option to be selected by variant boards.
+config BOARD_GOOGLE_CORSOLA_COMMON
+ def_bool n
+
+if BOARD_GOOGLE_CORSOLA_COMMON
+
+config BOARD_SPECIFIC_OPTIONS
+ def_bool y
+ select SOC_MEDIATEK_MT8186
+ select BOARD_ROMSIZE_KB_8192
+ select MAINBOARD_HAS_CHROMEOS
+ select COMMON_CBFS_SPI_WRAPPER
+ select SPI_FLASH
+ select SPI_FLASH_INCLUDE_ALL_DRIVERS
+
+config MAINBOARD_DIR
+ string
+ default "google/corsola"
+
+config MAINBOARD_PART_NUMBER
+ string
+ default "Corsola" if BOARD_GOOGLE_CORSOLA
+endif
diff --git a/src/mainboard/google/corsola/Kconfig.name b/src/mainboard/google/corsola/Kconfig.name
new file mode 100644
index 0000000..3b44019
--- /dev/null
+++ b/src/mainboard/google/corsola/Kconfig.name
@@ -0,0 +1,5 @@
+comment "Corsola"
+
+config BOARD_GOOGLE_CORSOLA
+ bool "-> Corsola"
+ select BOARD_GOOGLE_CORSOLA_COMMON
diff --git a/src/mainboard/google/corsola/Makefile.inc b/src/mainboard/google/corsola/Makefile.inc
new file mode 100644
index 0000000..4720dc5
--- /dev/null
+++ b/src/mainboard/google/corsola/Makefile.inc
@@ -0,0 +1,16 @@
+bootblock-y += memlayout.ld
+bootblock-y += bootblock.c
+bootblock-y += chromeos.c
+
+verstage-y += memlayout.ld
+verstage-y += chromeos.c
+verstage-y += reset.c
+
+romstage-y += memlayout.ld
+romstage-y += chromeos.c
+romstage-y += romstage.c
+
+ramstage-y += memlayout.ld
+ramstage-y += chromeos.c
+ramstage-y += mainboard.c
+ramstage-y += reset.c
diff --git a/src/mainboard/google/corsola/board_info.txt b/src/mainboard/google/corsola/board_info.txt
new file mode 100644
index 0000000..3c37bdf
--- /dev/null
+++ b/src/mainboard/google/corsola/board_info.txt
@@ -0,0 +1,6 @@
+Vendor name: Google
+Board name: Corsola MediaTek MT8186 reference board
+Category: eval
+ROM protocol: SPI
+ROM socketed: n
+Flashrom support: y
diff --git a/src/mainboard/google/corsola/bootblock.c b/src/mainboard/google/corsola/bootblock.c
new file mode 100644
index 0000000..99947c0
--- /dev/null
+++ b/src/mainboard/google/corsola/bootblock.c
@@ -0,0 +1,8 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
+#include <bootblock_common.h>
+#include <device/mmio.h>
+
+void bootblock_mainboard_init(void)
+{
+}
diff --git a/src/mainboard/google/corsola/chromeos.c b/src/mainboard/google/corsola/chromeos.c
new file mode 100644
index 0000000..3f0937f
--- /dev/null
+++ b/src/mainboard/google/corsola/chromeos.c
@@ -0,0 +1,15 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
+#include <bootmode.h>
+#include <boot/coreboot_tables.h>
+
+void fill_lb_gpios(struct lb_gpios *gpios)
+{
+
+}
+
+int get_recovery_mode_switch(void)
+{
+ /* TODO: use Chrome EC switches when EC support is added */
+ return 0;
+}
diff --git a/src/mainboard/google/corsola/chromeos.fmd b/src/mainboard/google/corsola/chromeos.fmd
new file mode 100644
index 0000000..7194632
--- /dev/null
+++ b/src/mainboard/google/corsola/chromeos.fmd
@@ -0,0 +1,45 @@
+# Firmware Layout Description for Chrome OS.
+#
+# The size and address of every section must be aligned to at least 4K, except:
+# RO_FRID, RW_FWID*, GBB, or any unused / padding / CBFS type sections.
+#
+# 'FMAP' may be found by binary search so its starting address should be better
+# aligned to larger values.
+#
+# For sections to be preserved on update, add (PRESERVE) to individual sections
+# instead of a group section; otherwise the preserved data may be wrong if you
+# resize or reorder sections inside a group.
+
+FLASH@0x0 8M {
+ WP_RO@0x0 4M {
+ RO_SECTION {
+ BOOTBLOCK 128K
+ FMAP 4K
+ COREBOOT(CBFS)
+ GBB 0x2f00
+ RO_FRID 0x100
+ }
+ RO_VPD(PRESERVE) 32K # At least 16K.
+ }
+ RW_SECTION_A 1500K {
+ VBLOCK_A 8K
+ FW_MAIN_A(CBFS)
+ RW_FWID_A 0x100
+ }
+ RW_MISC 36K {
+ RW_VPD(PRESERVE) 16K # At least 8K.
+ RW_NVRAM(PRESERVE) 8K
+ RW_MRC_CACHE(PRESERVE) 8K
+ RW_ELOG(PRESERVE) 4K # ELOG driver hard-coded size in 4K.
+ }
+ RW_SECTION_B 1500K {
+ VBLOCK_B 8K
+ FW_MAIN_B(CBFS)
+ RW_FWID_B 0x100
+ }
+ RW_SHARED 36K { # Will be force updated on recovery.
+ SHARED_DATA 4K # 4K or less for netboot params.
+ RW_UNUSED
+ }
+ RW_LEGACY(CBFS) 1M # Minimal 1M.
+}
diff --git a/src/mainboard/google/corsola/devicetree.cb b/src/mainboard/google/corsola/devicetree.cb
new file mode 100644
index 0000000..0c4bcb5
--- /dev/null
+++ b/src/mainboard/google/corsola/devicetree.cb
@@ -0,0 +1,7 @@
+## SPDX-License-Identifier: GPL-2.0-only
+
+chip soc/mediatek/mt8186
+ device cpu_cluster 0 on
+ device cpu 0 on end
+ end
+end
diff --git a/src/mainboard/google/corsola/mainboard.c b/src/mainboard/google/corsola/mainboard.c
new file mode 100644
index 0000000..e6040fa
--- /dev/null
+++ b/src/mainboard/google/corsola/mainboard.c
@@ -0,0 +1,17 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
+#include <device/device.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,
+};
diff --git a/src/mainboard/google/corsola/memlayout.ld b/src/mainboard/google/corsola/memlayout.ld
new file mode 100644
index 0000000..0f1fcec
--- /dev/null
+++ b/src/mainboard/google/corsola/memlayout.ld
@@ -0,0 +1,3 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
+#include <soc/memlayout.ld>
diff --git a/src/mainboard/google/corsola/reset.c b/src/mainboard/google/corsola/reset.c
new file mode 100644
index 0000000..3a97ee5
--- /dev/null
+++ b/src/mainboard/google/corsola/reset.c
@@ -0,0 +1,7 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
+#include <reset.h>
+
+void do_board_reset(void)
+{
+}
diff --git a/src/mainboard/google/corsola/romstage.c b/src/mainboard/google/corsola/romstage.c
new file mode 100644
index 0000000..891dc1b
--- /dev/null
+++ b/src/mainboard/google/corsola/romstage.c
@@ -0,0 +1,7 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
+#include <arch/stages.h>
+
+void platform_romstage_main(void)
+{
+}