diff options
author | Subrata Banik <subrata.banik@intel.com> | 2019-11-01 18:26:56 +0530 |
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committer | Subrata Banik <subrata.banik@intel.com> | 2019-11-09 03:26:54 +0000 |
commit | b8df689a6aaaa721103ed75d647decad2b4a9528 (patch) | |
tree | a0400af4e37c1c1a777f3e66cb16d46ac6a307d7 /src/soc/intel/tigerlake/acpi/scs.asl | |
parent | 91e89c5393535406f98f0f05354459a123f0885b (diff) |
soc/intel/tigerlake/acpi: Copy acpi directory from icelake
Clone entirely from Icelake
List of changes on top off initial icelake clone
1. Removed Descriptor Name for Memory mapped SPI flash and
local APIC in northbridge.asl
2. Rearranged code in gpio.asl to move RBUF object under _CRS
and made the file use ASL2.0 syntax.
3. Make use of absolute path for scs.asl
4. Remove unused smbus.asl
5. Rearranged code in nothbridge.asl to move MCRS object under _CRS,
use absolute variable path and added TODO for further clean up.
6. Refer absolute variable path in scs.asl
Change-Id: If967cb5904f543ce21eb6e89421df0e5673d2238
Signed-off-by: Subrata Banik <subrata.banik@intel.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/36553
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Duncan Laurie <dlaurie@chromium.org>
Diffstat (limited to 'src/soc/intel/tigerlake/acpi/scs.asl')
-rw-r--r-- | src/soc/intel/tigerlake/acpi/scs.asl | 134 |
1 files changed, 134 insertions, 0 deletions
diff --git a/src/soc/intel/tigerlake/acpi/scs.asl b/src/soc/intel/tigerlake/acpi/scs.asl new file mode 100644 index 0000000000..a9ff93c2ca --- /dev/null +++ b/src/soc/intel/tigerlake/acpi/scs.asl @@ -0,0 +1,134 @@ +/* + * This file is part of the coreboot project. + * + * Copyright (C) 2019 Intel Corporation. + * + * 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. + */ + +#include <soc/pcr_ids.h> + +Scope (\_SB.PCI0) { + + /* + * Clear register 0x1C20/0x4820 + * Arg0 - PCR Port ID + */ + Method(SCSC, 1, Serialized) + { + PCRA (Arg0, 0x1C20, 0x0) + PCRA (Arg0, 0x4820, 0x0) + } + + /* EMMC */ + Device(PEMC) { + Name(_ADR, 0x001A0000) + Name (_DDN, "eMMC Controller") + Name (TEMP, 0) + + OperationRegion(SCSR, PCI_Config, 0x00, 0x100) + Field(SCSR, WordAcc, NoLock, Preserve) { + Offset (0x84), /* PMECTRLSTATUS */ + PMCR, 16, + Offset (0xA2), /* PG_CONFIG */ + , 2, + PGEN, 1, /* PG_ENABLE */ + } + + Method(_INI) { + /* Clear register 0x1C20/0x4820 */ + SCSC (PID_EMMC) + } + + Method(_PS0, 0, Serialized) { + Stall (50) // Sleep 50 us + + Store(0, PGEN) // Disable PG + + /* Clear register 0x1C20/0x4820 */ + SCSC (PID_EMMC) + + /* Set Power State to D0 */ + And (PMCR, 0xFFFC, PMCR) + Store (PMCR, TEMP) + } + + Method(_PS3, 0, Serialized) { + Store(1, PGEN) // Enable PG + + /* Set Power State to D3 */ + Or (PMCR, 0x0003, PMCR) + Store (PMCR, TEMP) + } + + Device (CARD) + { + Name (_ADR, 0x00000008) + Method (_RMV, 0, NotSerialized) + { + Return (0) + } + } + } + + /* SD CARD */ + Device (SDXC) + { + Name (_ADR, 0x00140005) + Name (_DDN, "SD Controller") + Name (TEMP, 0) + + OperationRegion (SDPC, PCI_Config, 0x00, 0x100) + Field (SDPC, WordAcc, NoLock, Preserve) + { + Offset (0x84), /* PMECTRLSTATUS */ + PMCR, 16, + Offset (0xA2), /* PG_CONFIG */ + , 2, + PGEN, 1, /* PG_ENABLE */ + } + + Method(_INI) + { + /* Clear register 0x1C20/0x4820 */ + SCSC (PID_SDX) + } + + Method (_PS0, 0, Serialized) + { + Store (0, PGEN) /* Disable PG */ + + /* Clear register 0x1C20/0x4820 */ + SCSC (PID_SDX) + + /* Set Power State to D0 */ + And (PMCR, 0xFFFC, PMCR) + Store (PMCR, TEMP) + } + + Method (_PS3, 0, Serialized) + { + Store (1, PGEN) /* Enable PG */ + + /* Set Power State to D3 */ + Or (PMCR, 0x0003, PMCR) + Store (PMCR, TEMP) + } + + Device (CARD) + { + Name (_ADR, 0x00000008) + Method (_RMV, 0, NotSerialized) + { + Return (1) + } + } + } /* Device (SDXC) */ +} |