| /* 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 |
| P80D, 32, // 0x0b - Debug port (IO 0x80) value |
| LIDS, 8, // 0x0f - LID state (open = 1) |
| PWRS, 8, // 0x10 - Power State (AC = 1) |
| PCNT, 8, // 0x11 - Processor count |
| TPMP, 8, // 0x12 - TPM Present and Enabled |
| TLVL, 8, // 0x13 - Throttle Level |
| PPCM, 8, // 0x14 - Maximum P-state usable by OS |
| PM1I, 32, // 0x15 - System Wake Source - PM1 Index |
| |
| /* Device Config */ |
| Offset (0x20), |
| S5U0, 8, // 0x20 - Enable USB0 in S5 |
| S5U1, 8, // 0x21 - Enable USB1 in S5 |
| S3U0, 8, // 0x22 - Enable USB0 in S3 |
| S3U1, 8, // 0x23 - Enable USB1 in S3 |
| TACT, 8, // 0x24 - Thermal Active trip point |
| TPSV, 8, // 0x25 - Thermal Passive trip point |
| TCRT, 8, // 0x26 - Thermal Critical trip point |
| DPTE, 8, // 0x27 - Enable DPTF |
| |
| /* Base addresses */ |
| Offset (0x30), |
| CMEM, 32, // 0x30 - CBMEM TOC |
| TOLM, 32, // 0x34 - Top of Low Memory |
| CBMC, 32, // 0x38 - coreboot mem console pointer |
| |
| /* ChromeOS specific */ |
| Offset (0x100), |
| #include <vendorcode/google/chromeos/acpi/gnvs.asl> |
| |
| Offset (0x1000), |
| #include <soc/intel/baytrail/acpi/device_nvs.asl> |
| } |
| |
| /* Set flag to enable USB charging in S3 */ |
| Method (S3UE) |
| { |
| Store (One, \S3U0) |
| Store (One, \S3U1) |
| } |
| |
| /* Set flag to disable USB charging in S3 */ |
| Method (S3UD) |
| { |
| Store (Zero, \S3U0) |
| Store (Zero, \S3U1) |
| } |
| |
| /* Set flag to enable USB charging in S5 */ |
| Method (S5UE) |
| { |
| Store (One, \S5U0) |
| Store (One, \S5U1) |
| } |
| |
| /* Set flag to disable USB charging in S5 */ |
| Method (S5UD) |
| { |
| Store (Zero, \S5U0) |
| Store (Zero, \S5U1) |
| } |