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authorAngel Pons <th3fanbus@gmail.com>2020-10-25 12:31:23 +0100
committerAngel Pons <th3fanbus@gmail.com>2020-11-03 19:12:35 +0000
commit4c2389e28c4fe0c153d3153732d353d5960150f5 (patch)
treebce1e934b960aaa10a00abcb905dcc3a6fbe46fe /src/soc/intel/broadwell/pch/acpi/globalnvs.asl
parent96a480d507a97c27aa13a93ef9bc9176f498a895 (diff)
downloadcoreboot-4c2389e28c4fe0c153d3153732d353d5960150f5.tar.xz
soc/intel/broadwell: Relocate PCH ACPI files
Tested with BUILD_TIMELESS=1, Purism Librem 13 v1 remains identical. Change-Id: I7f87085c70149d02c544e2d43e1bdb58c7502d6d Signed-off-by: Angel Pons <th3fanbus@gmail.com> Reviewed-on: https://review.coreboot.org/c/coreboot/+/46754 Reviewed-by: Michael Niewöhner <foss@mniewoehner.de> Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Diffstat (limited to 'src/soc/intel/broadwell/pch/acpi/globalnvs.asl')
-rw-r--r--src/soc/intel/broadwell/pch/acpi/globalnvs.asl91
1 files changed, 91 insertions, 0 deletions
diff --git a/src/soc/intel/broadwell/pch/acpi/globalnvs.asl b/src/soc/intel/broadwell/pch/acpi/globalnvs.asl
new file mode 100644
index 0000000000..3c6c5f5998
--- /dev/null
+++ b/src/soc/intel/broadwell/pch/acpi/globalnvs.asl
@@ -0,0 +1,91 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
+/* Global Variables */
+
+Name (\PICM, 0) // IOAPIC/8259
+
+/*
+ * Global ACPI memory region. This region is used for passing information
+ * between coreboot (aka "the system bios"), ACPI, and the SMI handler.
+ * Since we don't know where this will end up in memory at ACPI compile time,
+ * we have to fix it up in coreboot's ACPI creation phase.
+ */
+
+External(NVSA)
+OperationRegion (GNVS, SystemMemory, NVSA, 0x2000)
+Field (GNVS, ByteAcc, NoLock, Preserve)
+{
+ /* Miscellaneous */
+ Offset (0x00),
+ OSYS, 16, // 0x00 - Operating System
+ SMIF, 8, // 0x02 - SMI function
+ PRM0, 8, // 0x03 - SMI function parameter
+ PRM1, 8, // 0x04 - SMI function parameter
+ SCIF, 8, // 0x05 - SCI function
+ PRM2, 8, // 0x06 - SCI function parameter
+ PRM3, 8, // 0x07 - SCI function parameter
+ LCKF, 8, // 0x08 - Global Lock function for EC
+ PRM4, 8, // 0x09 - Lock function parameter
+ PRM5, 8, // 0x0a - Lock function parameter
+ PCNT, 8, // 0x0b - Processor Count
+ PPCM, 8, // 0x0c - Max PPC State
+ TMPS, 8, // 0x0d - Temperature Sensor ID
+ TLVL, 8, // 0x0e - Throttle Level Limit
+ FLVL, 8, // 0x0f - Current FAN Level
+ TCRT, 8, // 0x10 - Critical Threshold
+ TPSV, 8, // 0x11 - Passive Threshold
+ TMAX, 8, // 0x12 - CPU Tj_max
+ S5U0, 8, // 0x13 - Enable USB in S5
+ S3U0, 8, // 0x14 - Enable USB in S3
+ S33G, 8, // 0x15 - Enable 3G in S3
+ LIDS, 8, // 0x16 - LID State
+ PWRS, 8, // 0x17 - AC Power State
+ CMEM, 32, // 0x18 - 0x1b - CBMEM TOC
+ CBMC, 32, // 0x1c - 0x1f - coreboot Memory Console
+ PM1I, 64, // 0x20 - 0x27 - PM1 wake status bit
+ GPEI, 64, // 0x28 - 0x2f - GPE wake status bit
+
+ /* ChromeOS specific */
+ Offset (0x100),
+ #include <vendorcode/google/chromeos/acpi/gnvs.asl>
+
+ /* Device specific */
+ Offset (0x1000),
+ #include "device_nvs.asl"
+}
+
+/* Set flag to enable USB charging in S3 */
+Method (S3UE)
+{
+ Store (One, \S3U0)
+}
+
+/* Set flag to disable USB charging in S3 */
+Method (S3UD)
+{
+ Store (Zero, \S3U0)
+}
+
+/* Set flag to enable USB charging in S5 */
+Method (S5UE)
+{
+ Store (One, \S5U0)
+}
+
+/* Set flag to disable USB charging in S5 */
+Method (S5UD)
+{
+ Store (Zero, \S5U0)
+}
+
+/* Set flag to enable 3G module in S3 */
+Method (S3GE)
+{
+ Store (One, \S33G)
+}
+
+/* Set flag to disable 3G module in S3 */
+Method (S3GD)
+{
+ Store (Zero, \S33G)
+}