cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-linux
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intel-ixp42x-dlink-dsm-g600.dts (3548B)

      1// SPDX-License-Identifier: ISC
      2/*
      3 * Device Tree file for D-Link DSM-G600 revision A based on IXP420
      4 * NOTE: revision B of this device uses PowerPC and is NOT supported by
      5 * this device tree.
      6 *
      7 * Inspired by the boardfile by Rod Whitby, Tower Technologies, Alessandro Zummo
      8 * and Michael Westerhof.
      9 */
     10
     11/dts-v1/;
     12
     13#include "intel-ixp42x.dtsi"
     14#include <dt-bindings/input/input.h>
     15
     16/ {
     17	model = "D-Link DSM-G600 rev A";
     18	compatible = "dlink,dsm-g600-a", "intel,ixp42x";
     19	#address-cells = <1>;
     20	#size-cells = <1>;
     21
     22	memory@0 {
     23		/* 64 MB SDRAM */
     24		device_type = "memory";
     25		reg = <0x00000000 0x4000000>;
     26	};
     27
     28	chosen {
     29		bootargs = "console=ttyS0,115200n8 root=/dev/sda1 rw rootwait";
     30		stdout-path = "uart0:115200n8";
     31	};
     32
     33	aliases {
     34		serial0 = &uart0;
     35	};
     36
     37	leds {
     38		compatible = "gpio-leds";
     39		led-power {
     40			label = "dsmg600:green:power";
     41			gpios = <&gpio0 0 GPIO_ACTIVE_HIGH>;
     42			default-state = "on";
     43			linux,default-trigger = "heartbeat";
     44		};
     45		led-wlan {
     46			label = "dsmg600:green:wlan";
     47			/* CHECKME: flagged as active low in the old board file */
     48			gpios = <&gpio0 14 GPIO_ACTIVE_LOW>;
     49			default-state = "on";
     50			/* We don't have WLAN trigger in the kernel (yet) */
     51			linux,default-trigger = "netdev";
     52		};
     53	};
     54
     55	gpio_keys {
     56		compatible = "gpio-keys";
     57
     58		button-reset {
     59			wakeup-source;
     60			linux,code = <KEY_ESC>;
     61			label = "reset";
     62			gpios = <&gpio0 3 GPIO_ACTIVE_LOW>;
     63		};
     64	};
     65
     66	gpio_keys_polled {
     67		compatible = "gpio-keys-polled";
     68
     69		/*
     70		 * According to the board file this key cannot handle interrupts and
     71		 * need to be polled. Investigate if this is really the case or if
     72		 * this can be moved adjacent to the ordinary gpio-keys above.
     73		 */
     74		button-power {
     75			wakeup-source;
     76			linux,code = <KEY_POWER>;
     77			label = "power";
     78			gpios = <&gpio0 15 GPIO_ACTIVE_HIGH>;
     79		};
     80	};
     81
     82	i2c {
     83		compatible = "i2c-gpio";
     84		sda-gpios = <&gpio0 5 (GPIO_ACTIVE_HIGH|GPIO_OPEN_DRAIN)>;
     85		scl-gpios = <&gpio0 4 (GPIO_ACTIVE_HIGH|GPIO_OPEN_DRAIN)>;
     86		#address-cells = <1>;
     87		#size-cells = <0>;
     88
     89		rtc@51 {
     90			compatible = "nxp,pcf8563";
     91			reg = <0x51>;
     92		};
     93	};
     94
     95	gpio-poweroff {
     96		compatible = "gpio-poweroff";
     97		gpios = <&gpio0 2 GPIO_ACTIVE_HIGH>;
     98		timeout-ms = <5000>;
     99	};
    100
    101	soc {
    102		bus@c4000000 {
    103			/* The first 16MB region at CS0 on the expansion bus */
    104			flash@0,0 {
    105				compatible = "intel,ixp4xx-flash", "cfi-flash";
    106				bank-width = <2>;
    107				/*
    108				 * 16 MB of Flash in 128 0x20000 sized blocks
    109				 * mapped in at CS0.
    110				 */
    111				reg = <0 0x00000000 0x1000000>;
    112
    113				partitions {
    114					compatible = "redboot-fis";
    115					/*
    116					 * A boot log says the directory is at 0xfe0000
    117					 * 0x7f * 0x20000 = 0xfe0000
    118					 */
    119					fis-index-block = <0x7f>;
    120				};
    121			};
    122		};
    123
    124		pci@c0000000 {
    125			status = "ok";
    126
    127			/*
    128			 * Taken from DSM-G600 PCI boardfile (dsmg600-pci.c)
    129			 * We have slots (IDSEL) 1, 2, 3, 4 and pins 1, 2 and 3.
    130			 * Only slot 3 have three IRQs.
    131			 */
    132			#interrupt-cells = <1>;
    133			interrupt-map-mask = <0xf800 0 0 7>;
    134			interrupt-map =
    135			/* IDSEL 1 */
    136			<0x0800 0 0 1 &gpio0 7  IRQ_TYPE_LEVEL_LOW>, /* INT E on slot 1 is irq 7 */
    137			/* IDSEL 2 */
    138			<0x1000 0 0 1 &gpio0 11 IRQ_TYPE_LEVEL_LOW>, /* INT A on slot 2 is irq 11 */
    139			/* IDSEL 3 */
    140			<0x1800 0 0 1 &gpio0 10 IRQ_TYPE_LEVEL_LOW>, /* INT B on slot 3 is irq 10 */
    141			<0x1800 0 0 2 &gpio0 9  IRQ_TYPE_LEVEL_LOW>, /* INT C on slot 3 is irq 9 */
    142			<0x1800 0 0 3 &gpio0 8  IRQ_TYPE_LEVEL_LOW>, /* INT D on slot 3 is irq 8 */
    143			/* IDSEL 4 */
    144			<0x2000 0 0 3 &gpio0 6  IRQ_TYPE_LEVEL_LOW>; /* INT F on slot 4 is irq 6 */
    145		};
    146	};
    147};