diff options
Diffstat (limited to 'src/soc/intel/xeon_sp/cpx/acpi/globalnvs.asl')
| -rw-r--r-- | src/soc/intel/xeon_sp/cpx/acpi/globalnvs.asl | 63 |
1 files changed, 63 insertions, 0 deletions
diff --git a/src/soc/intel/xeon_sp/cpx/acpi/globalnvs.asl b/src/soc/intel/xeon_sp/cpx/acpi/globalnvs.asl new file mode 100644 index 0000000000..00848cc45c --- /dev/null +++ b/src/soc/intel/xeon_sp/cpx/acpi/globalnvs.asl @@ -0,0 +1,63 @@ +/* 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 */ + 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, 64, // 0x15 - PM1 wake status bit + GPEI, 64, // 0x1D - GPE wake status bit + U2WE, 16, // 0x25 - USB2 Wake Enable Bitmap + U3WE, 8, // 0x27 - USB3 Wake Enable Bitmap + + /* Device Config */ + Offset (0x30), + S5U0, 8, // 0x30 - Enable USB0 in S5 + S5U1, 8, // 0x31 - Enable USB1 in S5 + S3U0, 8, // 0x32 - Enable USB0 in S3 + S3U1, 8, // 0x33 - Enable USB1 in S3 + TACT, 8, // 0x34 - Thermal Active trip point + TPSV, 8, // 0x35 - Thermal Passive trip point + TCRT, 8, // 0x36 - Thermal Critical trip point + DPTE, 8, // 0x37 - Enable DPTF + + /* Base addresses */ + Offset (0x50), + CMEM, 32, // 0x50 - CBMEM TOC + TOLM, 32, // 0x54 - Top of Low Memory + CBMC, 32, // 0x58 - coreboot mem console pointer + MMOB, 32, // 0x5C - MMIO Base Low Base + MMOL, 32, // 0x60 - MMIO Base Low Limit + MMHB, 64, // 0x64 - MMIO Base High Base + MMHL, 64, // 0x6C - MMIO Base High Limit + TSGB, 32, // 0x74 - TSEG Base + TSSZ, 32, // 0x78 - TSEG Size +} |