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/** @file
*
* Copyright (c) 2021, ARM Limited. All rights reserved.
*
* SPDX-License-Identifier: BSD-2-Clause-Patent
*
**/
#include <asm/arch/acpi/bcm2836_sdhost.h>
#include <asm/arch/acpi/bcm2836_sdio.h>
#include <asm/arch/acpi/bcm2711.h>
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
|
