[PATCH v3 07/57] x86: Add a common global NVS structure

Simon Glass
2020-09-06T21:43:15Z

Add the definition of this structure common to Intel devices. It includes
some optional Chrome OS pieces which are used when vboot is integrated.

Drop the APL version as it is basically the same.

Signed-off-by: Simon Glass <sjg@chromium.org>
---

(no changes since v1)

Changes in v1:
- Use this file in APL

.../include/asm/arch-apollolake/global_nvs.h | 23 +---------
arch/x86/include/asm/intel_gnvs.h | 43 +++++++++++++++++++
2 files changed, 44 insertions(+), 22 deletions(-)
create mode 100644 arch/x86/include/asm/intel_gnvs.h

diff --git a/arch/x86/include/asm/arch-apollolake/global_nvs.h b/arch/x86/include/asm/arch-apollolake/global_nvs.h
index fe62194b02e..ef8eb228dbe 100644
--- a/arch/x86/include/asm/arch-apollolake/global_nvs.h
+++ b/arch/x86/include/asm/arch-apollolake/global_nvs.h
@@ -10,27 +10,6 @@
#ifndef _GLOBAL_NVS_H_
#define _GLOBAL_NVS_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 - U-Boot 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 unused1[0x100 - 0x3d]; /* Pad out to 256 bytes */
- u8 unused2[0x1000 - 0x100]; /* Pad out to 4096 bytes */
-};
+#include <asm/intel_gnvs.h>

#endif /* _GLOBAL_NVS_H_ */
diff --git a/arch/x86/include/asm/intel_gnvs.h b/arch/x86/include/asm/intel_gnvs.h
new file mode 100644
index 00000000000..e2d479d4f32
--- /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 unused1[0x100 - 0x3d]; /* Pad out to 256 bytes */
+#ifdef CONFIG_CHROMEOS
+ /* ChromeOS-specific (0x100 - 0xfff) */
+ struct chromeos_acpi chromeos;
+#else
+ u8 unused2[0x1000 - 0x100]; /* Pad out to 4096 bytes */
+#endif
+};
+#ifdef CONFIG_CHROMEOS
+check_member(acpi_global_nvs, chromeos, GNVS_CHROMEOS_ACPI_OFFSET);
+#endif
+
+#endif /* _INTEL_GNVS_H_ */
--
2.28.0.526.ge36021eeef-goog