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/** @file
*
* [DSDT] SD controller/card definition (SDHC)
*
* Copyright (c) 2020, Pete Batard <pete@akeo.ie>
* Copyright (c) 2018, Andrey Warkentin <andrey.warkentin@gmail.com>
* Copyright (c) Microsoft Corporation. All rights reserved.
*
* SPDX-License-Identifier: BSD-2-Clause-Patent
*
**/
#include <IndustryStandard/Bcm2836SdHost.h>
#include <IndustryStandard/Bcm2836Sdio.h>
#include "AcpiTables.h"
//
// Note: UEFI can use either SDHost or Arasan. We expose both to the OS.
//
// ArasanSD 3.0 SD Host Controller. (brcm,bcm2835-sdhci)
Device (SDC1)
{
Name (_HID, "BCM2847")
Name (_CID, "ARASAN")
Name (_UID, 0x0)
Name (_CCA, 0x0)
Name (_S1D, 0x1)
Name (_S2D, 0x1)
Name (_S3D, 0x1)
Name (_S4D, 0x1)
Method (_STA)
{
Return(0xf)
}
Name (RBUF, ResourceTemplate ()
{
MEMORY32FIXED (ReadWrite, 0, MMCHS1_LENGTH, RMEM)
Interrupt (ResourceConsumer, Level, ActiveHigh, Shared) { BCM2836_MMCHS1_INTERRUPT }
})
Method (_CRS, 0x0, Serialized)
{
MEMORY32SETBASE (RBUF, RMEM, RBAS, MMCHS1_OFFSET)
Return (^RBUF)
}
// The standard CAPs registers on this controller
// appear to be 0, lets set some minimal defaults
// Since this cap doesn't indicate DMA capability
// we don't need a _DMA()
Name (_DSD, Package () {
ToUUID("daffd814-6eba-4d8c-8a91-bc9bbf4aa301"),
Package () {
Package () { "sdhci-caps", 0x0120fa81 },
}
})
//
// 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
}
}
}
#if (RPI_MODEL < 4)
// Broadcom SDHost 2.0 SD Host Controller
Device (SDC2)
{
Name (_HID, "BCM2855")
Name (_CID, "SDHST")
Name (_UID, 0x0)
Name (_CCA, 0x0)
Name (_S1D, 0x1)
Name (_S2D, 0x1)
Name (_S3D, 0x1)
Name (_S4D, 0x1)
Method (_STA)
{
Return (0xf)
}
Name (RBUF, ResourceTemplate ()
{
MEMORY32FIXED (ReadWrite, 0, SDHOST_LENGTH, RMEM)
Interrupt (ResourceConsumer, Level, ActiveHigh, Exclusive) { BCM2836_SDHOST_INTERRUPT }
})
Method (_CRS, 0x0, Serialized)
{
MEMORY32SETBASE (RBUF, RMEM, RBAS, SDHOST_OFFSET)
Return (^RBUF)
}
//
// 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
}
}
}
#endif // !RPI4
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