[PATCH 079/108] x86: Add a common global NVS structure
Simon Glass
sjg at chromium.org
Mon Jan 27 06:06:26 CET 2020
Add the definition of this structure common to Intel devices. It includes
some optional Chrome OS pieces which are used when vboot is integrated.
Signed-off-by: Simon Glass <sjg at chromium.org>
---
arch/x86/include/asm/intel_gnvs.h | 43 +++++++++++++++++++++++++++++++
1 file changed, 43 insertions(+)
create mode 100644 arch/x86/include/asm/intel_gnvs.h
diff --git a/arch/x86/include/asm/intel_gnvs.h b/arch/x86/include/asm/intel_gnvs.h
new file mode 100644
index 0000000000..a4199ce0f3
--- /dev/null
+++ b/arch/x86/include/asm/intel_gnvs.h
@@ -0,0 +1,43 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * Copyright (C) 2019 Intel Corporation.
+ *
+ * Taken from coreboot intelblocks/nvs.h
+ * Copyright 2019 Google LLC
+ */
+
+#ifndef _INTEL_GNVS_H_
+#define _INTEL_GNVS_H_
+
+struct __packed acpi_global_nvs {
+ /* Miscellaneous */
+ u8 pcnt; /* 0x00 - Processor Count */
+ u8 ppcm; /* 0x01 - Max PPC State */
+ u8 lids; /* 0x02 - LID State */
+ u8 pwrs; /* 0x03 - AC Power State */
+ u8 dpte; /* 0x04 - Enable DPTF */
+ u32 cbmc; /* 0x05 - 0x08 - coreboot Memory Console */
+ u64 pm1i; /* 0x09 - 0x10 - System Wake Source - PM1 Index */
+ u64 gpei; /* 0x11 - 0x18 - GPE Wake Source */
+ u64 nhla; /* 0x19 - 0x20 - NHLT Address */
+ u32 nhll; /* 0x21 - 0x24 - NHLT Length */
+ u32 prt0; /* 0x25 - 0x28 - PERST_0 Address */
+ u8 scdp; /* 0x29 - SD_CD GPIO portid */
+ u8 scdo; /* 0x2a - GPIO pad offset relative to the community */
+ u8 uior; /* 0x2b - UART debug controller init on S3 resume */
+ u8 ecps; /* 0x2c - SGX Enabled status */
+ u64 emna; /* 0x2d - 0x34 EPC base address */
+ u64 elng; /* 0x35 - 0x3C EPC Length */
+ u8 unused[195];
+#ifdef CONFIG_CHROMEOS
+ /* ChromeOS specific (0x100 - 0xfff) */
+ struct chromeos_acpi chromeos;
+#else
+ u8 unused2[0xf00];
+#endif
+};
+#ifdef CONFIG_CHROMEOS
+check_member(acpi_global_nvs, chromeos, GNVS_CHROMEOS_ACPI_OFFSET);
+#endif
+
+#endif /* _INTEL_GNVS_H_ */
--
2.25.0.341.g760bfbb309-goog
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