1/*
2 * Copyright (C) 2014, Bin Meng <bmeng.cn@gmail.com>
3 * Copyright (C) 2016 Stefan Roese <sr@denx.de>
4 *
5 * SPDX-License-Identifier:	GPL-2.0+
6 */
7
8/dts-v1/;
9
10#include <dt-bindings/gpio/x86-gpio.h>
11#include <dt-bindings/interrupt-router/intel-irq.h>
12
13/include/ "skeleton.dtsi"
14/include/ "serial.dtsi"
15/include/ "rtc.dtsi"
16/include/ "tsc_timer.dtsi"
17
18/ {
19	model = "congatec-QEVAL20-QA3-E3845";
20	compatible = "congatec,qeval20-qa3-e3845", "intel,baytrail";
21
22	aliases {
23		serial0 = &serial;
24		spi0 = &spi;
25	};
26
27	config {
28		silent_console = <0>;
29	};
30
31	pch_pinctrl {
32		compatible = "intel,x86-pinctrl";
33		reg = <0 0>;
34
35		/*
36		 * As of today, the latest version FSP (gold4) for BayTrail
37		 * misses the PAD configuration of the SD controller's Card
38		 * Detect signal. The default PAD value for the CD pin sets
39		 * the pin to work in GPIO mode, which causes card detect
40		 * status cannot be reflected by the Present State register
41		 * in the SD controller (bit 16 & bit 18 are always zero).
42		 *
43		 * Configure this pin to function 1 (SD controller).
44		 */
45		sdmmc3_cd@0 {
46			pad-offset = <0x3a0>;
47			mode-func = <1>;
48		};
49	};
50
51	chosen {
52		stdout-path = "/serial";
53	};
54
55	cpus {
56		#address-cells = <1>;
57		#size-cells = <0>;
58
59		cpu@0 {
60			device_type = "cpu";
61			compatible = "intel,baytrail-cpu";
62			reg = <0>;
63			intel,apic-id = <0>;
64		};
65
66		cpu@1 {
67			device_type = "cpu";
68			compatible = "intel,baytrail-cpu";
69			reg = <1>;
70			intel,apic-id = <2>;
71		};
72
73		cpu@2 {
74			device_type = "cpu";
75			compatible = "intel,baytrail-cpu";
76			reg = <2>;
77			intel,apic-id = <4>;
78		};
79
80		cpu@3 {
81			device_type = "cpu";
82			compatible = "intel,baytrail-cpu";
83			reg = <3>;
84			intel,apic-id = <6>;
85		};
86	};
87
88	pci {
89		compatible = "intel,pci-baytrail", "pci-x86";
90		#address-cells = <3>;
91		#size-cells = <2>;
92		u-boot,dm-pre-reloc;
93		ranges = <0x02000000 0x0 0x80000000 0x80000000 0 0x40000000
94			  0x42000000 0x0 0xc0000000 0xc0000000 0 0x20000000
95			  0x01000000 0x0 0x2000 0x2000 0 0xe000>;
96
97		pch@1f,0 {
98			reg = <0x0000f800 0 0 0 0>;
99			compatible = "pci8086,0f1c", "intel,pch9";
100			#address-cells = <1>;
101			#size-cells = <1>;
102
103			irq-router {
104				compatible = "intel,irq-router";
105				intel,pirq-config = "ibase";
106				intel,ibase-offset = <0x50>;
107				intel,actl-addr = <0>;
108				intel,pirq-link = <8 8>;
109				intel,pirq-mask = <0xdee0>;
110				intel,pirq-routing = <
111					/* BayTrail PCI devices */
112					PCI_BDF(0, 2, 0) INTA PIRQA
113					PCI_BDF(0, 3, 0) INTA PIRQA
114					PCI_BDF(0, 16, 0) INTA PIRQA
115					PCI_BDF(0, 17, 0) INTA PIRQA
116					PCI_BDF(0, 18, 0) INTA PIRQA
117					PCI_BDF(0, 19, 0) INTA PIRQA
118					PCI_BDF(0, 20, 0) INTA PIRQA
119					PCI_BDF(0, 21, 0) INTA PIRQA
120					PCI_BDF(0, 22, 0) INTA PIRQA
121					PCI_BDF(0, 23, 0) INTA PIRQA
122					PCI_BDF(0, 24, 0) INTA PIRQA
123					PCI_BDF(0, 24, 1) INTC PIRQC
124					PCI_BDF(0, 24, 2) INTD PIRQD
125					PCI_BDF(0, 24, 3) INTB PIRQB
126					PCI_BDF(0, 24, 4) INTA PIRQA
127					PCI_BDF(0, 24, 5) INTC PIRQC
128					PCI_BDF(0, 24, 6) INTD PIRQD
129					PCI_BDF(0, 24, 7) INTB PIRQB
130					PCI_BDF(0, 26, 0) INTA PIRQA
131					PCI_BDF(0, 27, 0) INTA PIRQA
132					PCI_BDF(0, 28, 0) INTA PIRQA
133					PCI_BDF(0, 28, 1) INTB PIRQB
134					PCI_BDF(0, 28, 2) INTC PIRQC
135					PCI_BDF(0, 28, 3) INTD PIRQD
136					PCI_BDF(0, 29, 0) INTA PIRQA
137					PCI_BDF(0, 30, 0) INTA PIRQA
138					PCI_BDF(0, 30, 1) INTD PIRQD
139					PCI_BDF(0, 30, 2) INTB PIRQB
140					PCI_BDF(0, 30, 3) INTC PIRQC
141					PCI_BDF(0, 30, 4) INTD PIRQD
142					PCI_BDF(0, 30, 5) INTB PIRQB
143					PCI_BDF(0, 31, 3) INTB PIRQB
144
145					/*
146					 * PCIe root ports downstream
147					 * interrupts
148					 */
149					PCI_BDF(1, 0, 0) INTA PIRQA
150					PCI_BDF(1, 0, 0) INTB PIRQB
151					PCI_BDF(1, 0, 0) INTC PIRQC
152					PCI_BDF(1, 0, 0) INTD PIRQD
153					PCI_BDF(2, 0, 0) INTA PIRQB
154					PCI_BDF(2, 0, 0) INTB PIRQC
155					PCI_BDF(2, 0, 0) INTC PIRQD
156					PCI_BDF(2, 0, 0) INTD PIRQA
157					PCI_BDF(3, 0, 0) INTA PIRQC
158					PCI_BDF(3, 0, 0) INTB PIRQD
159					PCI_BDF(3, 0, 0) INTC PIRQA
160					PCI_BDF(3, 0, 0) INTD PIRQB
161					PCI_BDF(4, 0, 0) INTA PIRQD
162					PCI_BDF(4, 0, 0) INTB PIRQA
163					PCI_BDF(4, 0, 0) INTC PIRQB
164					PCI_BDF(4, 0, 0) INTD PIRQC
165				>;
166			};
167
168			spi: spi {
169				#address-cells = <1>;
170				#size-cells = <0>;
171				compatible = "intel,ich9-spi";
172				spi-flash@0 {
173					#address-cells = <1>;
174					#size-cells = <1>;
175					reg = <0>;
176					compatible = "stmicro,n25q064a",
177						"spi-flash";
178					memory-map = <0xff800000 0x00800000>;
179					rw-mrc-cache {
180						label = "rw-mrc-cache";
181						reg = <0x006f0000 0x00010000>;
182					};
183				};
184			};
185
186			gpioa {
187				compatible = "intel,ich6-gpio";
188				u-boot,dm-pre-reloc;
189				reg = <0 0x20>;
190				bank-name = "A";
191			};
192
193			gpiob {
194				compatible = "intel,ich6-gpio";
195				u-boot,dm-pre-reloc;
196				reg = <0x20 0x20>;
197				bank-name = "B";
198			};
199
200			gpioc {
201				compatible = "intel,ich6-gpio";
202				u-boot,dm-pre-reloc;
203				reg = <0x40 0x20>;
204				bank-name = "C";
205			};
206
207			gpiod {
208				compatible = "intel,ich6-gpio";
209				u-boot,dm-pre-reloc;
210				reg = <0x60 0x20>;
211				bank-name = "D";
212			};
213
214			gpioe {
215				compatible = "intel,ich6-gpio";
216				u-boot,dm-pre-reloc;
217				reg = <0x80 0x20>;
218				bank-name = "E";
219			};
220
221			gpiof {
222				compatible = "intel,ich6-gpio";
223				u-boot,dm-pre-reloc;
224				reg = <0xA0 0x20>;
225				bank-name = "F";
226			};
227		};
228	};
229
230	fsp {
231		compatible = "intel,baytrail-fsp";
232		fsp,mrc-init-tseg-size = <0>;
233		fsp,mrc-init-mmio-size = <0x800>;
234		fsp,mrc-init-spd-addr1 = <0xa0>;
235		fsp,mrc-init-spd-addr2 = <0xa2>;
236		fsp,emmc-boot-mode = <1>;
237		fsp,enable-sdio;
238		fsp,enable-sdcard;
239		fsp,enable-hsuart1;
240		fsp,enable-spi;
241		fsp,enable-sata;
242		fsp,sata-mode = <1>;
243		fsp,enable-lpe;
244		fsp,lpss-sio-enable-pci-mode;
245		fsp,enable-dma0;
246		fsp,enable-dma1;
247		fsp,enable-i2c0;
248		fsp,enable-i2c1;
249		fsp,enable-i2c2;
250		fsp,enable-i2c3;
251		fsp,enable-i2c4;
252		fsp,enable-i2c5;
253		fsp,enable-i2c6;
254		fsp,enable-pwm0;
255		fsp,enable-pwm1;
256		fsp,igd-dvmt50-pre-alloc = <2>;
257		fsp,aperture-size = <2>;
258		fsp,gtt-size = <2>;
259		fsp,scc-enable-pci-mode;
260		fsp,os-selection = <4>;
261		fsp,emmc45-ddr50-enabled;
262		fsp,emmc45-retune-timer-value = <8>;
263		fsp,enable-igd;
264		fsp,enable-memory-down;
265		fsp,memory-down-params {
266			compatible = "intel,baytrail-fsp-mdp";
267			fsp,dram-speed = <2>;		/* 2=1333MHz */
268			fsp,dram-type = <1>;		/* 1=DDR3L */
269			fsp,dimm-0-enable;
270			fsp,dimm-1-enable;
271			fsp,dimm-width = <1>;		/* 1=x16, 2=x32 */
272			fsp,dimm-density = <2>;		/* 2=4Gbit */
273			fsp,dimm-bus-width = <3>;	/* 3=64bits */
274			fsp,dimm-sides = <0>;		/* 0=1 ranks -> 0x2b */
275
276			/* These following values might need a re-visit */
277			fsp,dimm-tcl = <8>;
278			fsp,dimm-trpt-rcd = <8>;
279			fsp,dimm-twr = <8>;
280			fsp,dimm-twtr = <4>;
281			fsp,dimm-trrd = <6>;
282			fsp,dimm-trtp = <4>;
283			fsp,dimm-tfaw = <22>;
284		};
285	};
286
287	microcode {
288		update@0 {
289#include "microcode/m0130673325.dtsi"
290		};
291		update@1 {
292#include "microcode/m0130679907.dtsi"
293		};
294	};
295};
296