diff options
Diffstat (limited to 'src/soc/intel/apollolake/heci.c')
-rw-r--r-- | src/soc/intel/apollolake/heci.c | 36 |
1 files changed, 36 insertions, 0 deletions
diff --git a/src/soc/intel/apollolake/heci.c b/src/soc/intel/apollolake/heci.c new file mode 100644 index 0000000000..468589531c --- /dev/null +++ b/src/soc/intel/apollolake/heci.c @@ -0,0 +1,36 @@ +/* + * This file is part of the coreboot project. + * + * Copyright (C) 2016 Intel Corp. + * + * 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; either version 2 of the License, or + * (at your option) any later version. + * + * 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 <device/device.h> +#include <device/pci_def.h> +#include <device/pci_ops.h> +#include <soc/heci.h> +#include <soc/pci_devs.h> + +uint32_t heci_fw_sts(void) +{ + return pci_read_config32(CSE_DEV, REG_SEC_FW_STS0); +} + +bool heci_cse_normal(void) +{ + return ((heci_fw_sts() & MASK_SEC_STATUS) == SEC_STATE_NORMAL); +} + +bool heci_cse_done(void) +{ + return (!!(heci_fw_sts() & MASK_SEC_FIRMWARE_COMPLETE)); +} |