diff options
Diffstat (limited to 'arch/x86/include/asm/arch-baytrail')
-rw-r--r-- | arch/x86/include/asm/arch-baytrail/acpi/global_nvs.asl | 15 | ||||
-rw-r--r-- | arch/x86/include/asm/arch-baytrail/global_nvs.h | 21 |
2 files changed, 36 insertions, 0 deletions
diff --git a/arch/x86/include/asm/arch-baytrail/acpi/global_nvs.asl b/arch/x86/include/asm/arch-baytrail/acpi/global_nvs.asl new file mode 100644 index 0000000..a28d4df --- /dev/null +++ b/arch/x86/include/asm/arch-baytrail/acpi/global_nvs.asl @@ -0,0 +1,15 @@ +/* + * Copyright (C) 2016 Bin Meng <bmeng.cn@gmail.com> + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#include <asm/acpi/global_nvs.h> + +OperationRegion(GNVS, SystemMemory, ACPI_GNVS_ADDR, ACPI_GNVS_SIZE) +Field(GNVS, ByteAcc, NoLock, Preserve) +{ + Offset (0x00), + PCNT, 8, /* processor count */ + IURE, 8, /* internal UART enabled */ +} diff --git a/arch/x86/include/asm/arch-baytrail/global_nvs.h b/arch/x86/include/asm/arch-baytrail/global_nvs.h new file mode 100644 index 0000000..56e3626 --- /dev/null +++ b/arch/x86/include/asm/arch-baytrail/global_nvs.h @@ -0,0 +1,21 @@ +/* + * Copyright (C) 2016, Bin Meng <bmeng.cn@gmail.com> + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#ifndef _GLOBAL_NVS_H_ +#define _GLOBAL_NVS_H_ + +struct __packed acpi_global_nvs { + u8 pcnt; /* processor count */ + u8 iuart_en; /* internal UART enabled */ + + /* + * Add padding so sizeof(struct acpi_global_nvs) == 0x100. + * This must match the size defined in the global_nvs.asl. + */ + u8 rsvd[254]; +}; + +#endif /* _GLOBAL_NVS_H_ */ |