/** @file * * Copyright (c) 2021, ARM Limited. All rights reserved. * * SPDX-License-Identifier: BSD-2-Clause-Patent * **/ #include #include #include Device (GDV1) { Name (_HID, "ACPI0004") Name (_UID, 0x2) Name (_CCA, 0x0) Name (RBUF, ResourceTemplate () { MEMORY32FIXED (ReadWrite, 0, MMCHS2_LENGTH, RMEM) }) Method (_CRS, 0x0, Serialized) { MEMORY32SETBASE (RBUF, RMEM, RBAS, MMCHS2_OFFSET) Return (^RBUF) } // Translated DMA region for BCM2711 silicon revisions older than C0 Name (DMTR, ResourceTemplate() { QWordMemory (ResourceProducer, , MinFixed, MaxFixed, NonCacheable, ReadWrite, 0x0, 0x00000000C0000000, // MIN 0x00000000FFFFFFFF, // MAX 0xFFFFFFFF40000000, // TRA 0x0000000040000000, // LEN , , ) }) // Non translated DMA region for BCM2711 revisions C0 and newer Name (DMNT, ResourceTemplate() { QWordMemory (ResourceProducer, , MinFixed, MaxFixed, NonCacheable, ReadWrite, 0x0, 0x0000000000000000, // MIN 0x000000FFFFFFFFFF, // MAX 0x0000000000000000, // TRA 0x0000010000000000, // LEN , , ) }) // emmc2 Host Controller. (brcm,bcm2711-emmc2) Device (SDC3) { Name (_HID, "BRCME88C") Name (_UID, 0x1) Name (_CCA, 0x0) Name (_S1D, 0x1) Name (_S2D, 0x1) Name (_S3D, 0x1) Name (_S4D, 0x1) Name (SDMA, 0x2) Name (RBUF, ResourceTemplate () { MEMORY32FIXED (ReadWrite, 0, MMCHS2_LENGTH, RMEM) Interrupt (ResourceConsumer, Level, ActiveHigh, Shared) { BCM2836_MMCHS1_INTERRUPT } }) Method (_CRS, 0x0, Serialized) { MEMORY32SETBASE (RBUF, RMEM, RBAS, MMCHS2_OFFSET) Return (^RBUF) } // Unfortunately this controller doesn't honor the // standard SDHCI voltage control registers // (or at least Linux's standard code can't // lower the voltage) So, UHS mode is disabled with caps Name (DSD1, Package () { ToUUID("daffd814-6eba-4d8c-8a91-bc9bbf4aa301"), Package () { Package () { "sdhci-caps-mask", 0x0000000500080000 }, } }) // Along with disabling UHS, here both SDMA and ADMA2 // are also disabled until the linux _DMA() mask/translate // works properly. Name (DSD2, Package () { ToUUID("daffd814-6eba-4d8c-8a91-bc9bbf4aa301"), Package () { Package () { "sdhci-caps-mask", 0x0000000504480000 }, } }) Method (_DSD, 0x0, Serialized) { // Select one of the sdhci-caps-mask definitions // depending on whether we also want to disable DMA if (SDMA == 0) { return (^DSD2) } else { return (^DSD1) } } // // A child device that represents the // sd card, which is marked as non-removable. // Device (SDMM) { Method (_ADR) { Return (0) } Method (_RMV) // Is removable { Return (0) // 0 - fixed } } } //SDC3 } //GDV1