1/** @file
2 *
3 *  [DSDT] SD controller/card definition (SDHC)
4 *
5 *  Copyright (c) 2020, Pete Batard <pete@akeo.ie>
6 *  Copyright (c) 2018, Andrey Warkentin <andrey.warkentin@gmail.com>
7 *  Copyright (c) Microsoft Corporation. All rights reserved.
8 *
9 *  SPDX-License-Identifier: BSD-2-Clause-Patent
10 *
11 **/
12
13#include <asm/arch/acpi/bcm2836_sdhost.h>
14#include <asm/arch/acpi/bcm2836_sdio.h>
15
16#include "acpitables.h"
17
18//
19// Note: UEFI can use either SDHost or Arasan. We expose both to the OS.
20//
21
22// ArasanSD 3.0 SD Host Controller. (brcm,bcm2835-sdhci)
23Device (SDC1)
24{
25  Name (_HID, "BCM2847")
26  Name (_CID, "BCM2847")
27  Name (_UID, 0x0)
28  Name (_CCA, 0x0)
29  Name (_S1D, 0x1)
30  Name (_S2D, 0x1)
31  Name (_S3D, 0x1)
32  Name (_S4D, 0x1)
33
34  Name (RBUF, ResourceTemplate ()
35  {
36    MEMORY32FIXED (ReadWrite, 0, MMCHS1_LENGTH, RMEM)
37    Interrupt (ResourceConsumer, Level, ActiveHigh, Shared) { BCM2836_MMCHS1_INTERRUPT }
38  })
39  Method (_CRS, 0x0, Serialized)
40  {
41    MEMORY32SETBASE (RBUF, RMEM, RBAS, MMCHS1_OFFSET)
42    Return (^RBUF)
43  }
44
45  // The standard CAPs registers on this controller
46  // appear to be 0, lets set some minimal defaults
47  // Since this cap doesn't indicate DMA capability
48  // we don't need a _DMA()
49  Name (_DSD, Package () {
50    ToUUID("daffd814-6eba-4d8c-8a91-bc9bbf4aa301"),
51    Package () {
52      Package () { "sdhci-caps", 0x0120fa81 },
53    }
54  })
55
56  //
57  // A child device that represents the
58  // sd card, which is marked as non-removable.
59  //
60  Device (SDMM)
61  {
62    Method (_ADR)
63    {
64      Return (0)
65    }
66    Method (_RMV) // Is removable
67    {
68      Return (0) // 0 - fixed
69    }
70  }
71}
72
73// Broadcom SDHost 2.0 SD Host Controller
74Device (SDC2)
75{
76  Name (_HID, "BCM2855")
77  Name (_CID, "BCM2855")
78  Name (_UID, 0x0)
79  Name (_CCA, 0x0)
80  Name (_S1D, 0x1)
81  Name (_S2D, 0x1)
82  Name (_S3D, 0x1)
83  Name (_S4D, 0x1)
84
85  Name (RBUF, ResourceTemplate ()
86  {
87    MEMORY32FIXED (ReadWrite, 0, SDHOST_LENGTH, RMEM)
88    Interrupt (ResourceConsumer, Level, ActiveHigh, Exclusive) { BCM2836_SDHOST_INTERRUPT }
89  })
90  Method (_CRS, 0x0, Serialized)
91  {
92    MEMORY32SETBASE (RBUF, RMEM, RBAS, SDHOST_OFFSET)
93    Return (^RBUF)
94  }
95
96  //
97  // A child device that represents the
98  // sd card, which is marked as non-removable.
99  //
100  Device (SDMM)
101  {
102    Method (_ADR)
103    {
104      Return (0)
105    }
106    Method (_RMV) // Is removable
107    {
108      Return (0) // 0 - fixed
109    }
110  }
111}