summaryrefslogtreecommitdiff
path: root/src/mainboard/emulation/qemu-q35/chromeos.c
diff options
context:
space:
mode:
Diffstat (limited to 'src/mainboard/emulation/qemu-q35/chromeos.c')
-rw-r--r--src/mainboard/emulation/qemu-q35/chromeos.c58
1 files changed, 58 insertions, 0 deletions
diff --git a/src/mainboard/emulation/qemu-q35/chromeos.c b/src/mainboard/emulation/qemu-q35/chromeos.c
new file mode 100644
index 0000000000..50e48caf98
--- /dev/null
+++ b/src/mainboard/emulation/qemu-q35/chromeos.c
@@ -0,0 +1,58 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * SPDX-License-Identifier: GPL-2.0-or-later
+ */
+
+#include <boot/coreboot_tables.h>
+#include <vendorcode/google/chromeos/chromeos.h>
+#include "../qemu-i440fx/fw_cfg.h"
+
+void fill_lb_gpios(struct lb_gpios *gpios)
+{
+ struct lb_gpio chromeos_gpios[] = {
+ {-1, ACTIVE_HIGH, 1, "lid"},
+ {-1, ACTIVE_HIGH, 0, "power"},
+ {-1, ACTIVE_HIGH, gfx_get_init_done(), "oprom"},
+ {-1, ACTIVE_HIGH, 0, "EC in RW"},
+ };
+ lb_add_gpios(gpios, chromeos_gpios, ARRAY_SIZE(chromeos_gpios));
+}
+
+int get_write_protect_state(void)
+{
+ return 0;
+}
+
+/*
+ * Enable recovery mode with fw_cfg option to qemu:
+ * -fw_cfg name=opt/cros/recovery,string=1
+ */
+int get_recovery_mode_switch(void)
+{
+ FWCfgFile f;
+
+ if (!fw_cfg_check_file(&f, "opt/cros/recovery")) {
+ uint8_t rec_mode;
+ if (f.size != 1) {
+ printk(BIOS_ERR, "opt/cros/recovery invalid size %d\n", f.size);
+ return 0;
+ }
+ fw_cfg_get(f.select, &rec_mode, f.size);
+ if (rec_mode == '1') {
+ printk(BIOS_INFO, "Recovery is enabled.\n");
+ return 1;
+ }
+ }
+
+ return 0;
+}
+
+static const struct cros_gpio cros_gpios[] = {
+ CROS_GPIO_REC_AL(CROS_GPIO_VIRTUAL, "QEMU"),
+};
+
+void mainboard_chromeos_acpi_generate(void)
+{
+ chromeos_acpi_gpio_generate(cros_gpios, ARRAY_SIZE(cros_gpios));
+}