diff options
Diffstat (limited to 'src/soc/intel/broadwell/acpi/globalnvs.asl')
-rw-r--r-- | src/soc/intel/broadwell/acpi/globalnvs.asl | 108 |
1 files changed, 108 insertions, 0 deletions
diff --git a/src/soc/intel/broadwell/acpi/globalnvs.asl b/src/soc/intel/broadwell/acpi/globalnvs.asl new file mode 100644 index 0000000000..413c811fe6 --- /dev/null +++ b/src/soc/intel/broadwell/acpi/globalnvs.asl @@ -0,0 +1,108 @@ +/* + * This file is part of the coreboot project. + * + * Copyright (C) 2007-2009 coresystems GmbH + * Copyright (C) 2014 Google Inc. + * + * 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; version 2 of the License. + * + * 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. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + */ + +/* 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. + */ + +OperationRegion (GNVS, SystemMemory, 0xC0DEBABE, 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 + TPMP, 8, // 0x13 - TPM Present + S5U0, 8, // 0x14 - Enable USB in S5 + S3U0, 8, // 0x15 - Enable USB in S3 + S33G, 8, // 0x16 - Enable 3G in S3 + LIDS, 8, // 0x17 - LID State + PWRS, 8, // 0x18 - AC Power State + CMEM, 32, // 0x19 - 0x1c - CBMEM TOC + CBMC, 32, // 0x1d - 0x20 - Coreboot Memory Console + PM1I, 32, // 0x21 - 0x24 - PM1 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) +} |