diff options
Diffstat (limited to 'src/mainboard/emulation/qemu-q35/chromeos.c')
-rw-r--r-- | src/mainboard/emulation/qemu-q35/chromeos.c | 58 |
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)); +} |