1/** @file
2 *
3 *  [DSDT] Devices behind the GPU.
4 *
5 *  Copyright (c) 2018-2020, Andrey Warkentin <andrey.warkentin@gmail.com>
6 *  Copyright (c) Microsoft Corporation. All rights reserved.
7 *
8 *  SPDX-License-Identifier: BSD-2-Clause-Patent
9 *
10 **/
11
12// DWC OTG Controller
13Device (USB0)
14{
15  Name (_HID, "BCM2848")
16#if defined(CONFIG_TARGET_RPI_3)
17  Name (_CID, "DWC_OTG")
18#elif defined(CONFIG_TARGET_RPI_4)
19  Name (_CID, "BCM2848")
20#endif
21  Name (_UID, 0x0)
22  Name (_CCA, 0x0)
23  Method (_STA)
24  {
25    Return (0xf)
26  }
27  Name (RBUF, ResourceTemplate ()
28  {
29    MEMORY32FIXED (ReadWrite, 0, BCM2836_USB_LENGTH, RMEM)
30    Interrupt (ResourceConsumer, Level, ActiveHigh, Exclusive) { BCM2836_USB_INTERRUPT }
31  })
32  Method (_CRS, 0x0, Serialized)
33  {
34    MEMORY32SETBASE (RBUF, RMEM, RBAS, BCM2836_USB_OFFSET)
35    Return (^RBUF)
36  }
37}
38
39// Video Core 4 GPU
40Device (GPU0)
41{
42  Name (_HID, "BCM2850")
43  Name (_CID, "BCM2850")
44  Name (_UID, 0x0)
45  Name (_CCA, 0x0)
46  Method (_STA)
47  {
48    Return (0xf)
49  }
50  Name (RBUF, ResourceTemplate ()
51  {
52    // Memory and interrupt for the GPU
53    MEMORY32FIXED (ReadWrite, 0, BCM2836_V3D_BUS_LENGTH, RM01)
54    Interrupt (ResourceConsumer, Level, ActiveHigh, Exclusive) { BCM2836_V3D_BUS_INTERRUPT }
55
56    // HVS - Hardware Video Scalar
57    MEMORY32FIXED (ReadWrite, 0, BCM2836_HVS_LENGTH, RM02)
58    // The HVS interrupt is reserved by the VPU
59    // Interrupt (ResourceConsumer, Level, ActiveHigh, Exclusive) { BCM2836_HVS_INTERRUPT }
60
61    // PixelValve0 - DSI0 or DPI
62    // MEMORY32FIXED (ReadWrite, BCM2836_PV0_BASE_ADDRESS, BCM2836_PV0_LENGTH, RM03)
63    // Interrupt (ResourceConsumer, Level, ActiveHigh, Exclusive) { BCM2836_PV0_INTERRUPT }
64
65    // PixelValve1 - DS1 or SMI
66    // MEMORY32FIXED (ReadWrite, BCM2836_PV1_BASE_ADDRESS, BCM2836_PV1_LENGTH, RM04)
67    // Interrupt (ResourceConsumer, Level, ActiveHigh, Exclusive) { BCM2836_PV1_INTERRUPT }
68
69    // PixelValve2 - HDMI output - connected to HVS display FIFO 1
70    MEMORY32FIXED (ReadWrite, 0, BCM2836_PV2_LENGTH, RM05)
71    Interrupt (ResourceConsumer, Level, ActiveHigh, Exclusive) { BCM2836_PV2_INTERRUPT }
72
73    // HDMI registers
74    MEMORY32FIXED (ReadWrite, 0, BCM2836_HDMI0_LENGTH, RM06)
75    MEMORY32FIXED (ReadWrite, 0, BCM2836_HDMI1_LENGTH, RM07)
76    // hdmi_int[0]
77    // Interrupt (ResourceConsumer, Level, ActiveHigh, Exclusive) { BCM2836_HDMI0_INTERRUPT }
78    // hdmi_int[1]
79    // Interrupt (ResourceConsumer, Level, ActiveHigh, Exclusive) { BCM2836_HDMI1_INTERRUPT }
80
81    // HDMI DDC connection
82    I2CSerialBus (0x50,, 100000,, "\\_SB.GDV0.I2C2",,,,)  // EDID
83    I2CSerialBus (0x30,, 100000,, "\\_SB.GDV0.I2C2",,,,)  // E-DDC Segment Pointer
84  })
85  Method (_CRS, 0x0, Serialized)
86  {
87    MEMORY32SETBASE (RBUF, RM01, RB01, BCM2836_V3D_BUS_OFFSET)
88    MEMORY32SETBASE (RBUF, RM02, RB02, BCM2836_HVS_OFFSET)
89    MEMORY32SETBASE (RBUF, RM05, RB05, BCM2836_PV2_OFFSET)
90    MEMORY32SETBASE (RBUF, RM06, RB06, BCM2836_HDMI0_OFFSET)
91    MEMORY32SETBASE (RBUF, RM07, RB07, BCM2836_HDMI1_OFFSET)
92    Return (^RBUF)
93  }
94
95  // GPU Power Management Component Data
96  // Reference : https://github.com/Microsoft/graphics-driver-samples/wiki/Install-Driver-in-a-Windows-VM
97  Method (PMCD, 0, Serialized)
98  {
99    Name (RBUF, Package ()
100    {
101      1,                  // Version
102      1,                  // Number of graphics power components
103      Package ()          // Power components package
104      {
105        Package ()        // GPU component package
106        {
107          0,              // Component Index
108          0,              // DXGK_POWER_COMPONENT_MAPPING.ComponentType (0 = DXGK_POWER_COMPONENT_ENGINE)
109          0,              // DXGK_POWER_COMPONENT_MAPPING.NodeIndex
110
111          Buffer ()       // DXGK_POWER_RUNTIME_COMPONENT.ComponentGuid
112          {               // 9B2D1E26-1575-4747-8FC0-B9EB4BAA2D2B
113            0x26, 0x1E, 0x2D, 0x9B, 0x75, 0x15, 0x47, 0x47,
114            0x8f, 0xc0, 0xb9, 0xeb, 0x4b, 0xaa, 0x2d, 0x2b
115          },
116
117          "VC4_Engine_00",// DXGK_POWER_RUNTIME_COMPONENT.ComponentName
118          2,              // DXGK_POWER_RUNTIME_COMPONENT.StateCount
119
120          Package ()      // DXGK_POWER_RUNTIME_COMPONENT.States[] package
121          {
122            Package ()   // F0
123            {
124              0,         // DXGK_POWER_RUNTIME_STATE.TransitionLatency
125              0,         // DXGK_POWER_RUNTIME_STATE.ResidencyRequirement
126              1210000,   // DXGK_POWER_RUNTIME_STATE.NominalPower (microwatt)
127            },
128
129            Package ()   // F1 - Placeholder
130            {
131              10000,     // DXGK_POWER_RUNTIME_STATE.TransitionLatency
132              10000,     // DXGK_POWER_RUNTIME_STATE.ResidencyRequirement
133              4,         // DXGK_POWER_RUNTIME_STATE.NominalPower
134            },
135          }
136        }
137      }
138    })
139    Return (RBUF)
140  }
141}
142
143// PiQ Mailbox Driver
144Device (RPIQ)
145{
146  Name (_HID, "BCM2849")
147  Name (_CID, "BCM2849")
148  Name (_UID, 0)
149  Name (_CCA, 0x0)
150
151  Name (RBUF, ResourceTemplate ()
152  {
153    MEMORY32FIXED (ReadWrite, 0, BCM2836_MBOX_LENGTH, RMEM)
154    Interrupt (ResourceConsumer, Level, ActiveHigh, Exclusive) { BCM2836_MBOX_INTERRUPT }
155  })
156
157  Method (_CRS, 0x0, Serialized)
158  {
159    MEMORY32SETBASE (RBUF, RMEM, RBAS, BCM2836_MBOX_OFFSET)
160    Return (^RBUF)
161  }
162}
163
164// VCHIQ Driver
165Device (VCIQ)
166{
167  Name (_HID, "BCM2835")
168  Name (_CID, "BCM2835")
169  Name (_UID, 0)
170  Name (_CCA, 0x0)
171  Name (_DEP, Package() { \_SB.GDV0.RPIQ })
172  Method (_STA)
173  {
174    Return (0xf)
175  }
176  Name (RBUF, ResourceTemplate ()
177  {
178    MEMORY32FIXED (ReadWrite, 0, BCM2836_VCHIQ_LENGTH, RMEM)
179    Interrupt (ResourceConsumer, Level, ActiveHigh, Exclusive) { BCM2836_VCHIQ_INTERRUPT }
180  })
181
182  Method (_CRS, 0x0, Serialized)
183  {
184    MEMORY32SETBASE (RBUF, RMEM, RBAS, BCM2836_VCHIQ_OFFSET)
185    Return (^RBUF)
186  }
187}
188
189// VC Shared Memory Driver
190Device (VCSM)
191{
192  Name (_HID, "BCM2856")
193  Name (_CID, "BCM2856")
194  Name (_UID, 0)
195  Name (_CCA, 0x0)
196  Name (_DEP, Package() { \_SB.GDV0.VCIQ })
197  Method (_STA)
198  {
199    Return (0xf)
200  }
201}
202
203// Description: GPIO
204Device (GPI0)
205{
206  Name (_HID, "BCM2845")
207  Name (_CID, "BCM2845")
208  Name (_UID, 0x0)
209  Name (_CCA, 0x0)
210
211  Name (RBUF, ResourceTemplate ()
212  {
213    MEMORY32FIXED (ReadWrite, 0, GPIO_LENGTH, RMEM)
214    Interrupt (ResourceConsumer, Level, ActiveHigh, Shared)
215    {
216      BCM2386_GPIO_INTERRUPT0, BCM2386_GPIO_INTERRUPT1,
217      BCM2386_GPIO_INTERRUPT2, BCM2386_GPIO_INTERRUPT3
218    }
219  })
220  Method (_CRS, 0x0, Serialized)
221  {
222    MEMORY32SETBASE (RBUF, RMEM, RBAS, GPIO_OFFSET)
223    Return (^RBUF)
224  }
225}
226
227// Description: I2C
228Device (I2C1)
229{
230  Name (_HID, "BCM2841")
231  Name (_CID, "BCM2841")
232  Name (_UID, 0x1)
233  Name (_CCA, 0x0)
234
235  Name (RBUF, ResourceTemplate ()
236  {
237    MEMORY32FIXED (ReadWrite, 0, BCM2836_I2C1_LENGTH, RMEM)
238    Interrupt (ResourceConsumer, Level, ActiveHigh, Shared) { BCM2836_I2C1_INTERRUPT }
239    PinFunction (Exclusive, PullUp, BCM_ALT0, "\\_SB.GDV0.GPI0", 0, ResourceConsumer, , ) { 2, 3 }
240  })
241  Method (_CRS, 0x0, Serialized)
242  {
243    MEMORY32SETBASE (RBUF, RMEM, RBAS, BCM2836_I2C1_OFFSET)
244    Return (^RBUF)
245  }
246}
247
248// I2C2 is the HDMI DDC connection
249Device (I2C2)
250{
251  Name (_HID, "BCM2841")
252  Name (_CID, "BCM2841")
253  Name (_UID, 0x2)
254  Name (_CCA, 0x0)
255
256  Name (RBUF, ResourceTemplate()
257  {
258    MEMORY32FIXED (ReadWrite, 0, BCM2836_I2C2_LENGTH, RMEM)
259    Interrupt (ResourceConsumer, Level, ActiveHigh, Shared) { BCM2836_I2C2_INTERRUPT }
260  })
261
262  Method (_CRS, 0x0, Serialized)
263  {
264    MEMORY32SETBASE (RBUF, RMEM, RBAS, BCM2836_I2C2_OFFSET)
265    Return (^RBUF)
266  }
267}
268
269// SPI
270Device (SPI0)
271{
272  Name (_HID, "BCM2838")
273  Name (_CID, "BCM2838")
274  Name (_UID, 0x0)
275  Name (_CCA, 0x0)
276
277  Name (RBUF, ResourceTemplate ()
278  {
279    MEMORY32FIXED (ReadWrite, 0, BCM2836_SPI0_LENGTH, RMEM)
280    Interrupt (ResourceConsumer, Level, ActiveHigh, Shared) { BCM2836_SPI0_INTERRUPT }
281    PinFunction (Exclusive, PullDown, BCM_ALT0, "\\_SB.GDV0.GPI0", 0, ResourceConsumer, , ) { 9, 10, 11 } // MISO, MOSI, SCLK
282    PinFunction (Exclusive, PullUp, BCM_ALT0, "\\_SB.GDV0.GPI0", 0, ResourceConsumer, , ) { 8 } // CE0
283    PinFunction (Exclusive, PullUp, BCM_ALT0, "\\_SB.GDV0.GPI0", 0, ResourceConsumer, , ) { 7 } // CE1
284  })
285
286  Method (_CRS, 0x0, Serialized)
287  {
288    MEMORY32SETBASE (RBUF, RMEM, RBAS, BCM2836_SPI0_OFFSET)
289    Return (^RBUF)
290  }
291}
292
293Device (SPI1)
294{
295  Name (_HID, "BCM2839")
296  Name (_CID, "BCM2839")
297  Name (_UID, 0x1)
298  Name (_CCA, 0x0)
299  Name (_DEP, Package() { \_SB.GDV0.RPIQ })
300
301  Name (RBUF, ResourceTemplate ()
302  {
303    MEMORY32FIXED (ReadWrite, 0, BCM2836_SPI1_LENGTH, RMEM)
304    Interrupt (ResourceConsumer, Level, ActiveHigh, Shared,) { BCM2836_SPI1_INTERRUPT }
305    PinFunction (Exclusive, PullDown, BCM_ALT4, "\\_SB.GDV0.GPI0", 0, ResourceConsumer, , ) { 19, 20, 21 } // MISO, MOSI, SCLK
306    PinFunction (Exclusive, PullDown, BCM_ALT4, "\\_SB.GDV0.GPI0", 0, ResourceConsumer, , ) { 16 } // CE2
307  })
308
309  Method (_CRS, 0x0, Serialized)
310  {
311    MEMORY32SETBASE (RBUF, RMEM, RBAS, BCM2836_SPI1_OFFSET)
312    Return (^RBUF)
313  }
314}
315
316// SPI2 has no pins on GPIO header
317// Device (SPI2)
318// {
319//   Name (_HID, "BCM2839")
320//   Name (_CID, "BCM2839")
321//   Name (_UID, 0x2)
322//   Name (_CCA, 0x0)
323//   Name (_DEP, Package() { \_SB.GDV0.RPIQ })
324//   Method (_STA)
325//   {
326//     Return (0xf)     // Disabled
327//   }
328//   Method (_CRS, 0x0, Serialized)
329//   {
330//     Name (RBUF, ResourceTemplate ()
331//     {
332//       MEMORY32FIXED (ReadWrite, BCM2836_SPI2_BASE_ADDRESS, BCM2836_SPI2_LENGTH, RMEM)
333//       Interrupt (ResourceConsumer, Level, ActiveHigh, Shared,) { BCM2836_SPI2_INTERRUPT }
334//     })
335//     Return (RBUF)
336//   }
337// }
338
339// PWM Driver
340Device (PWM0)
341{
342  Name (_HID, "BCM2844")
343  Name (_CID, "BCM2844")
344  Name (_UID, 0)
345  Name (_CCA, 0x0)
346
347  Name (RBUF, ResourceTemplate ()
348  {
349    // DMA channel 11 control
350    MEMORY32FIXED (ReadWrite, 0, BCM2836_PWM_DMA_LENGTH, RM01)
351    // PWM control
352    MEMORY32FIXED (ReadWrite, 0, BCM2836_PWM_CTRL_LENGTH, RM02)
353    // PWM control bus
354    MEMORY32FIXED (ReadWrite, BCM2836_PWM_BUS_BASE_ADDRESS, BCM2836_PWM_BUS_LENGTH, )
355    // PWM control uncached
356    MEMORY32FIXED (ReadWrite, BCM2836_PWM_CTRL_UNCACHED_BASE_ADDRESS, BCM2836_PWM_CTRL_UNCACHED_LENGTH, )
357    // PWM clock control
358    MEMORY32FIXED (ReadWrite, 0, BCM2836_PWM_CLK_LENGTH, RM03)
359    // Interrupt DMA channel 11
360    Interrupt (ResourceConsumer, Level, ActiveHigh, Exclusive) { BCM2836_DMA_INTERRUPT }
361    // DMA channel 11, DREQ 5 for PWM
362    FixedDMA (5, 11, Width32Bit, )
363  })
364
365  Method (_CRS, 0x0, Serialized)
366  {
367    MEMORY32SETBASE (RBUF, RM01, RB01, BCM2836_PWM_DMA_OFFSET)
368    MEMORY32SETBASE (RBUF, RM02, RB02, BCM2836_PWM_CTRL_OFFSET)
369    MEMORY32SETBASE (RBUF, RM03, RB03, BCM2836_PWM_CLK_OFFSET)
370    Return (^RBUF)
371  }
372}