1/* SPDX-License-Identifier: GPL-2.0+ */
2/*
3 * Copyright (C) 2016, Bin Meng <bmeng.cn@gmail.com>
4 */
5
6Device (PCI0)
7{
8	Name(_HID, EISAID("PNP0A08"))	/* PCIe */
9	Name(_CID, EISAID("PNP0A03"))	/* PCI */
10
11	Name(_UID, 0)
12	Name(_BBN, 0)
13
14	Name(MCRS, ResourceTemplate()
15	{
16		/* Bus Numbers */
17		WordBusNumber(ResourceProducer, MinFixed, MaxFixed, PosDecode,
18				0x0000, 0x0000, 0x00ff, 0x0000, 0x0100, , , PB00)
19
20		/* IO Region 0 */
21		WordIO(ResourceProducer, MinFixed, MaxFixed, PosDecode, EntireRange,
22				0x0000, 0x0000, 0x0cf7, 0x0000, 0x0cf8, , , PI00)
23
24		/* PCI Config Space */
25		IO(Decode16, 0x0cf8, 0x0cf8, 0x0001, 0x0008)
26
27		/* IO Region 1 */
28		WordIO(ResourceProducer, MinFixed, MaxFixed, PosDecode, EntireRange,
29				0x0000, 0x0d00, 0xffff, 0x0000, 0xf300, , , PI01)
30
31		/* VGA memory (0xa0000-0xbffff) */
32		DWordMemory(ResourceProducer, PosDecode, MinFixed, MaxFixed,
33				Cacheable, ReadWrite,
34				0x00000000, 0x000a0000, 0x000bffff, 0x00000000,
35				0x00020000, , , ASEG)
36
37		/* OPROM reserved (0xc0000-0xc3fff) */
38		DWordMemory(ResourceProducer, PosDecode, MinFixed, MaxFixed,
39				Cacheable, ReadWrite,
40				0x00000000, 0x000c0000, 0x000c3fff, 0x00000000,
41				0x00004000, , , OPR0)
42
43		/* OPROM reserved (0xc4000-0xc7fff) */
44		DWordMemory(ResourceProducer, PosDecode, MinFixed, MaxFixed,
45				Cacheable, ReadWrite,
46				0x00000000, 0x000c4000, 0x000c7fff, 0x00000000,
47				0x00004000, , , OPR1)
48
49		/* OPROM reserved (0xc8000-0xcbfff) */
50		DWordMemory(ResourceProducer, PosDecode, MinFixed, MaxFixed,
51				Cacheable, ReadWrite,
52				0x00000000, 0x000c8000, 0x000cbfff, 0x00000000,
53				0x00004000, , , OPR2)
54
55		/* OPROM reserved (0xcc000-0xcffff) */
56		DWordMemory(ResourceProducer, PosDecode, MinFixed, MaxFixed,
57				Cacheable, ReadWrite,
58				0x00000000, 0x000cc000, 0x000cffff, 0x00000000,
59				0x00004000, , , OPR3)
60
61		/* OPROM reserved (0xd0000-0xd3fff) */
62		DWordMemory(ResourceProducer, PosDecode, MinFixed, MaxFixed,
63				Cacheable, ReadWrite,
64				0x00000000, 0x000d0000, 0x000d3fff, 0x00000000,
65				0x00004000, , , OPR4)
66
67		/* OPROM reserved (0xd4000-0xd7fff) */
68		DWordMemory(ResourceProducer, PosDecode, MinFixed, MaxFixed,
69				Cacheable, ReadWrite,
70				0x00000000, 0x000d4000, 0x000d7fff, 0x00000000,
71				0x00004000, , , OPR5)
72
73		/* OPROM reserved (0xd8000-0xdbfff) */
74		DWordMemory(ResourceProducer, PosDecode, MinFixed, MaxFixed,
75				Cacheable, ReadWrite,
76				0x00000000, 0x000d8000, 0x000dbfff, 0x00000000,
77				0x00004000, , , OPR6)
78
79		/* OPROM reserved (0xdc000-0xdffff) */
80		DWordMemory(ResourceProducer, PosDecode, MinFixed, MaxFixed,
81				Cacheable, ReadWrite,
82				0x00000000, 0x000dc000, 0x000dffff, 0x00000000,
83				0x00004000, , , OPR7)
84
85		/* BIOS Extension (0xe0000-0xe3fff) */
86		DWordMemory(ResourceProducer, PosDecode, MinFixed, MaxFixed,
87				Cacheable, ReadWrite,
88				0x00000000, 0x000e0000, 0x000e3fff, 0x00000000,
89				0x00004000, , , ESG0)
90
91		/* BIOS Extension (0xe4000-0xe7fff) */
92		DWordMemory(ResourceProducer, PosDecode, MinFixed, MaxFixed,
93				Cacheable, ReadWrite,
94				0x00000000, 0x000e4000, 0x000e7fff, 0x00000000,
95				0x00004000, , , ESG1)
96
97		/* BIOS Extension (0xe8000-0xebfff) */
98		DWordMemory(ResourceProducer, PosDecode, MinFixed, MaxFixed,
99				Cacheable, ReadWrite,
100				0x00000000, 0x000e8000, 0x000ebfff, 0x00000000,
101				0x00004000, , , ESG2)
102
103		/* BIOS Extension (0xec000-0xeffff) */
104		DWordMemory(ResourceProducer, PosDecode, MinFixed, MaxFixed,
105				Cacheable, ReadWrite,
106				0x00000000, 0x000ec000, 0x000effff, 0x00000000,
107				0x00004000, , , ESG3)
108
109		/* System BIOS (0xf0000-0xfffff) */
110		DWordMemory(ResourceProducer, PosDecode, MinFixed, MaxFixed,
111				Cacheable, ReadWrite,
112				0x00000000, 0x000f0000, 0x000fffff, 0x00000000,
113				0x00010000, , , FSEG)
114
115		/* PCI Memory Region (TOLM-CONFIG_MMCONF_BASE_ADDRESS) */
116		DWordMemory(ResourceProducer, PosDecode, MinFixed, MaxFixed,
117				Cacheable, ReadWrite,
118				0x00000000, 0x00000000, 0x00000000, 0x00000000,
119				0x00000000, , , PMEM)
120	})
121
122	Method(_CRS, 0, Serialized)
123	{
124		/* Update PCI resource area */
125		CreateDwordField(MCRS, ^PMEM._MIN, PMIN)
126		CreateDwordField(MCRS, ^PMEM._MAX, PMAX)
127		CreateDwordField(MCRS, ^PMEM._LEN, PLEN)
128
129		/*
130		 * Hardcode TOLM to 2GB for now (see DRAM_MAX_SIZE in quark.h)
131		 *
132		 * TODO: for generic usage, read TOLM value from register, or
133		 * from global NVS (not implemented by U-Boot yet).
134		 */
135		Store(0x80000000, PMIN)
136		Store(Subtract(MCFG_BASE_ADDRESS, 1), PMAX)
137		Add(Subtract(PMAX, PMIN), 1, PLEN)
138
139		Return (MCRS)
140	}
141
142	/* Device Resource Consumption */
143	Device (PDRC)
144	{
145		Name(_HID, EISAID("PNP0C02"))
146		Name(_UID, 1)
147
148		Name(PDRS, ResourceTemplate() {
149			Memory32Fixed(ReadWrite, CONFIG_ESRAM_BASE, 0x80000)
150			Memory32Fixed(ReadWrite, MCFG_BASE_ADDRESS, MCFG_BASE_SIZE)
151			Memory32Fixed(ReadWrite, RCBA_BASE_ADDRESS, RCBA_BASE_SIZE)
152			IO(Decode16, SPI_DMA_BASE_ADDRESS, SPI_DMA_BASE_ADDRESS, 0x0010, SPI_DMA_BASE_SIZE)
153			IO(Decode16, GPIO_BASE_ADDRESS, GPIO_BASE_ADDRESS, 0x0080, GPIO_BASE_SIZE)
154			IO(Decode16, WDT_BASE_ADDRESS, WDT_BASE_ADDRESS, 0x0040, WDT_BASE_SIZE)
155		})
156
157		/* Current Resource Settings */
158		Method(_CRS, 0, Serialized)
159		{
160			Return (PDRS)
161		}
162	}
163
164	Method(_OSC, 4)
165	{
166		/* Check for proper GUID */
167		If (LEqual(Arg0, ToUUID("33DB4D5B-1FF7-401C-9657-7441C03DD766"))) {
168			/* Let OS control everything */
169			Return (Arg3)
170		} Else {
171			/* Unrecognized UUID */
172			CreateDWordField(Arg3, 0, CDW1)
173			Or(CDW1, 4, CDW1)
174			Return (Arg3)
175		}
176	}
177
178	/* LPC Bridge 0:1f.0 */
179	#include "lpc.asl"
180
181	/* IRQ routing for each PCI device */
182	#include <asm/acpi/irqroute.asl>
183}
184