Re: Error in Xen while booting for salvator-X (M3 Board)

[Oleksandr Andrushchenko <andr2000@gmail.com>]

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Hi,

PFA the DTS I use for M3ULCB board


On 02/27/2017 12:48 PM, Oleksandr Tyshchenko wrote:
> Hi.
>
> On Mon, Feb 27, 2017 at 12:29 PM, George John <georgeeldhojohn@gmail.com> wrote:
>> Hi,
>> Thanks for the reply,
>> I am using Linux version 4.6.
>> The memory nodes were already squashed. When I have used a different version
>> of Xen, it booted to dom0. but still the crash occurs as shown in the log
>> below.
>>
>> I have also noticed that for salvator x M3 board(r8a7796) the dtb file used
>> was r8a7795-salvator-x-dom0.dtb
>> Is it ok?
> I don't know about M3 board.
> CC my colleague who plays with M3 board. Hope, that he can shed some lights.
>
>> regards,
>> George
>>
>> On Fri, Feb 24, 2017 at 8:43 PM, Oleksandr Tyshchenko <olekstysh@gmail.com>
>> wrote:
>>> Hi,
>>>
>>> Not 100% sure, but anyway...
>>>
>>> Can you recheck after squashing all memory nodes to a single one.
>>>
>>> ---
>>> I guess, you have following in your device tree:
>>>
>>> memory@48000000 {
>>> device_type = "memory";
>>> /* first 128MB is reserved for secure area. */
>>> reg = <0x0 0x48000000 0x0 0x38000000>;
>>> };
>>>
>>> memory@500000000 {
>>> device_type = "memory";
>>> reg = <0x5 0x00000000 0x0 0x40000000>;
>>> };
>>>
>>> memory@600000000 {
>>> device_type = "memory";
>>> reg = <0x6 0x00000000 0x0 0x40000000>;
>>> };
>>>
>>> memory@700000000 {
>>> device_type = "memory";
>>> reg = <0x7 0x00000000 0x0 0x40000000>;
>>> };
>>>
>>> ---
>>> Try to make next:
>>>
>>> memory@48000000 {
>>> device_type = "memory";
>>> /* first 128MB is reserved for secure area. */
>>> reg = <0x0 0x48000000 0x0 0x38000000>,
>>>       <0x5 0x00000000 0x0 0x40000000>,
>>>       <0x6 0x00000000 0x0 0x40000000>,
>>>       <0x7 0x00000000 0x0 0x40000000>;
>>> };
>>>
>>>
>>>
>>> On Fri, Feb 24, 2017 at 4:53 PM, Julien Grall <julien.grall@arm.com>
>>> wrote:
>>>>
>>>> On 21/02/17 12:03, George John wrote:
>>>>> Hi,
>>>>
>>>> Hello,
>>>>
>>>>
>>>>> I was trying out xen in salvator-X(M3 Board as described
>>>>> in
>>>>>
>>>>> https://wiki.xenproject.org/wiki/Xen_ARM_with_Virtualization_Extensions/Salvator-X
>>>>>
>>>>> I ran in to following error:
>>>>>
>>>>>
>>>>> U-Boot 2015.04 (Feb 21 2017 - 14:24:48)
>>>>>
>>>>> CPU: Renesas Electronics R8A7796 rev 1.0
>>>>> Board: Salvator-X
>>>>> I2C:   ready
>>>>> DRAM:  3.9 GiB
>>>>> MMC:   sh-sdhi: 0, sh-sdhi: 1, sh-sdhi: 2
>>>>> In:    serial
>>>>> Out:   serial
>>>>> Err:   serial
>>>>> Net:   Board Net Initialization Failed
>>>>> No ethernet found.
>>>>> Hit any key to stop autoboot:  0
>>>>> 819584 bytes read in 89 ms (8.8 MiB/s)
>>>>> 64927 bytes read in 23 ms (2.7 MiB/s)
>>>>> 14038016 bytes read in 1188 ms (11.3 MiB/s)
>>>>> 10319 bytes read in 19 ms (530.3 KiB/s)
>>>>> ## Booting kernel from Legacy Image at 48080000 ...
>>>>>     Image Name:   XEN
>>>>>     Image Type:   AArch64 Linux Kernel Image (uncompressed)
>>>>>     Data Size:    819520 Bytes = 800.3 KiB
>>>>>     Load Address: 78080000
>>>>>     Entry Point:  78080000
>>>>>     Verifying Checksum ... OK
>>>>> ## Flattened Device Tree blob at 48000000
>>>>>     Booting using the fdt blob at 0x48000000
>>>>>     Loading Kernel Image ... OK
>>>>>     Using Device Tree in place at 0000000048000000, end 0000000048012d9e
>>>>>
>>>>> Starting kernel ...
>>>>>
>>>>> - UART enabled -
>>>>> - CPU 00000000 booting -
>>>>> - Current EL 00000008 -
>>>>> - Xen starting at EL2 -
>>>>> - Zero BSS -
>>>>> - Setting up control registers -
>>>>> - Turning on paging -
>>>>> - Ready -
>>>>> (XEN) Checking for initrd in /chosen
>>>>> (XEN) RAM: 0000000048000000 - 000000007fffffff
>>>>> (XEN) RAM: 0000000500000000 - 000000053fffffff
>>>>> (XEN) RAM: 0000000600000000 - 000000063fffffff
>>>>> (XEN) RAM: 0000000700000000 - 000000073fffffff
>>>>> (XEN)
>>>>> (XEN) MODULE[0]: 0000000048000000 - 0000000048010000 Device Tree
>>>>> (XEN) MODULE[1]: 000000007a000000 - 000000007c000000 Kernel
>>>>> (XEN) MODULE[2]: 000000007c000000 - 000000007c010000 XSM
>>>>> (XEN)  RESVD[0]: 0000000048000000 - 0000000048010000
>>>>> (XEN)
>>>>> (XEN) Command line: dom0_mem=512M console=dtuart dtuart=serial0
>>>>> dom0_max_vcpus=1 bootscrub=0 flask_enforcing=1
>>>>> (XEN) Placing Xen at 0x000000007fe00000-0x0000000080000000
>>>>> (XEN) Update BOOTMOD_XEN from 0000000078080000-0000000078196e01 =>
>>>>> 000000007fe00000-000000007ff16e01
>>>>
>>>> Which kernel version is it?
>>>>
>>>>>
>>>>>
>>>>>
>>>>>
>>>>>
>>>>> After this, it hangs. What could be the possible reason?
>>>>
>>>> Xen will initialize the heap and then continue into the boot. I would
>>>> add
>>>> more debug around setup_mm to see where it failed.
>>>>
>>>> Regards,
>>>>
>>>> --
>>>> Julien Grall
>>>>
>>>> _______________________________________________
>>>> Xen-devel mailing list
>>>> Xen-devel@lists.xen.org
>>>> https://lists.xen.org/xen-devel
>>>
>>>
>>> --
>>> Regards,
>>>
>>> Oleksandr Tyshchenko
>>
>
>


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/*
 * Device Tree Source for the M3ULCB (R-Car Starter Kit Pro) board
 *
 * Copyright (C) 2016-2017 Renesas Electronics Corp.
 * Copyright (C) 2016 Cogent Embedded, Inc.
 *
 * This file is licensed under the terms of the GNU General Public License
 * version 2.  This program is licensed "as is" without any warranty of any
 * kind, whether express or implied.
 */

/dts-v1/;
#include "r8a7796.dtsi"
#include <dt-bindings/gpio/gpio.h>
#include <dt-bindings/input/input.h>

/ {
	model = "Renesas M3ULCB board based on r8a7796";
	compatible = "renesas,m3ulcb", "renesas,r8a7796";

	aliases {
		serial0 = &scif2;
		ethernet0 = &avb;
	};

	chosen {
		bootargs = "dom0_mem=752M console=dtuart dtuart=serial0 dom0_max_vcpus=4 bootscrub=0 flask_enforcing=1 loglvl=all";
		xen,dom0-bootargs = "console=hvc0 root=/dev/mmcblk1p1 rw rootwait rootfstype=ext4 ignore_loglevel cma=128M";
		//xen,dom0-bootargs = "console=hvc0 root=/dev/nfs nfsroot=192.168.1.1:/tftpboot/dom0-rootfs ip=192.168.1.21 rw rootwait rootfstype=ext4 ignore_loglevel cma=128M";
		modules {
			#address-cells = <2>;
			#size-cells = <2>;
			module@1 {
				compatible = "xen,linux-zimage", "xen,multiboot-module";
				reg = <0x0 0x7a000000 0x0 0x02000000>;
			};
			module@2 {
				compatible = "xen,xsm-policy", "xen,multiboot-module";
				reg = <0x0 0x7c000000 0x0 0x10000>;
			};
		};
	};

	memory@48000000 {
		device_type = "memory";
		/* first 128MB is reserved for secure area. */
		reg = <0x0 0x48000000 0x0 0x38000000>,
		      <0x6 0x00000000 0x0 0x40000000>;
	};

	soc {
		pll: pll@fff00000 {
			reg = <0 0xfff00000 0 0x1000>;
		};

		avs: avs@e60a0000 {
			reg = <0 0xe60a0000 0 0x1000>;
		};

		lossy: lossy@47fd7000 {
			reg = <0 0x47fd7000 0 0x1000>;
		};
	};

	leds {
		compatible = "gpio-leds";

		led5 {
			gpios = <&gpio6 12 GPIO_ACTIVE_HIGH>;
		};
		led6 {
			gpios = <&gpio6 13 GPIO_ACTIVE_HIGH>;
		};
	};

	keyboard {
		compatible = "gpio-keys";

		key-1 {
			linux,code = <KEY_1>;
			label = "SW3";
			wakeup-source;
			debounce-interval = <20>;
			gpios = <&gpio6 11 GPIO_ACTIVE_LOW>;
		};
	};

	reg_1p8v: regulator0 {
		compatible = "regulator-fixed";
		regulator-name = "fixed-1.8V";
		regulator-min-microvolt = <1800000>;
		regulator-max-microvolt = <1800000>;
		regulator-boot-on;
		regulator-always-on;
	};

	reg_3p3v: regulator1 {
		compatible = "regulator-fixed";
		regulator-name = "fixed-3.3V";
		regulator-min-microvolt = <3300000>;
		regulator-max-microvolt = <3300000>;
		regulator-boot-on;
		regulator-always-on;
	};

	vcc_sdhi0: regulator-vcc-sdhi0 {
		compatible = "regulator-fixed";

		regulator-name = "SDHI0 Vcc";
		regulator-min-microvolt = <3300000>;
		regulator-max-microvolt = <3300000>;

		gpio = <&gpio5 2 GPIO_ACTIVE_HIGH>;
		enable-active-high;
	};

	vccq_sdhi0: regulator-vccq-sdhi0 {
		compatible = "regulator-gpio";

		regulator-name = "SDHI0 VccQ";
		regulator-min-microvolt = <1800000>;
		regulator-max-microvolt = <3300000>;

		gpios = <&gpio5 1 GPIO_ACTIVE_HIGH>;
		gpios-states = <1>;
		states = <3300000 1
			  1800000 0>;
	};

	x12_clk: x12 {
		compatible = "fixed-clock";
		#clock-cells = <0>;
		clock-frequency = <24576000>;
	};

	audio_clkout: audio-clkout {
		/*
		 * This is same as <&rcar_sound 0>
		 * but needed to avoid cs2000/rcar_sound probe dead-lock
		 */
		compatible = "fixed-clock";
		#clock-cells = <0>;
		clock-frequency = <11289600>;
	};

	rsnd_ak4613: sound {
		compatible = "simple-audio-card";

		simple-audio-card,format = "left_j";
		simple-audio-card,bitclock-master = <&sndcpu>;
		simple-audio-card,frame-master = <&sndcpu>;

		sndcpu: simple-audio-card,cpu {
			sound-dai = <&rcar_sound>;
		};

		sndcodec: simple-audio-card,codec {
			sound-dai = <&ak4613>;
		};
	};

	vspm_if {
		compatible = "renesas,vspm_if";
	};

	hdmi-out {
		compatible = "hdmi-connector";
		type = "a";

		port {
			hdmi0_con: endpoint {
				remote-endpoint = <&rcar_dw_hdmi0_out>;
			};
		};
	};
};

&extal_clk {
	clock-frequency = <16666666>;
};

&extalr_clk {
	clock-frequency = <32768>;
};

&a57_0 {
	cpu-supply = <&vdd_dvfs>;
};

&pfc {
	pinctrl-0 = <&scif_clk_pins>;
	pinctrl-names = "default";

	scif2_pins: scif2 {
		groups = "scif2_data_a";
		function = "scif2";
	};

	scif_clk_pins: scif_clk {
		groups = "scif_clk_a";
		function = "scif_clk";
	};

	i2c2_pins: i2c2 {
		groups = "i2c2_a";
		function = "i2c2";
	};

	avb_pins: avb {
		groups = "avb_mdc";
		function = "avb";
	};

	sdhi0_pins: sd0 {
		groups = "sdhi0_data4", "sdhi0_ctrl";
		function = "sdhi0";
		power-source = <3300>;
	};

	sdhi0_pins_uhs: sd0_uhs {
		groups = "sdhi0_data4", "sdhi0_ctrl";
		function = "sdhi0";
		power-source = <1800>;
	};

	sdhi2_pins: sd2 {
		groups = "sdhi2_data8", "sdhi2_ctrl";
		function = "sdhi2";
		power-source = <3300>;
	};

	sdhi2_pins_uhs: sd2_uhs {
		groups = "sdhi2_data8", "sdhi2_ctrl";
		function = "sdhi2";
		power-source = <1800>;
	};

	msiof1_pins: spi2 {
		groups = "msiof1_clk_a", "msiof1_sync_a",
				"msiof1_rxd_a",  "msiof1_txd_a";
		function = "msiof1";
	};

	sound_pins: sound {
		groups = "ssi0129_ctrl", "ssi0_data", "ssi1_data_a";
		function = "ssi";
	};

	sound_clk_pins: sound-clk {
		groups = "audio_clk_a_a", "audio_clk_b_a", "audio_clk_c_a",
			 "audio_clkout_a", "audio_clkout3_a";
		function = "audio_clk";
	};

	usb1_pins: usb1 {
		groups = "usb1";
		function = "usb1";
	};
};

&avb {
	pinctrl-0 = <&avb_pins>;
	pinctrl-names = "default";
	renesas,no-ether-link;
	phy-handle = <&phy0>;
	status = "okay";
	phy-gpios = <&gpio2 11 GPIO_ACTIVE_LOW>;

	phy0: ethernet-phy@0 {
		rxc-skew-ps = <1500>;
		rxdv-skew-ps = <420>; /* default */
		rxd0-skew-ps = <420>; /* default */
		rxd1-skew-ps = <420>; /* default */
		rxd2-skew-ps = <420>; /* default */
		rxd3-skew-ps = <420>; /* default */
		txc-skew-ps = <900>; /* default */
		txen-skew-ps = <420>; /* default */
		txd0-skew-ps = <420>; /* default */
		txd1-skew-ps = <420>; /* default */
		txd2-skew-ps = <420>; /* default */
		txd3-skew-ps = <420>; /* default */
		reg = <0>;
		interrupt-parent = <&gpio2>;
		interrupts = <11 IRQ_TYPE_LEVEL_LOW>;
	};
};

&du_dotclkin0 {
	clock-frequency = <148500000>;
};

&du_dotclkin1 {
	clock-frequency = <33000000>;
};

&du_dotclkin2 {
	clock-frequency = <108000000>;
};

&du {
	status = "okay";

	ports {
		port@1 {
			endpoint {
				remote-endpoint = <&rcar_dw_hdmi0_in>;
			};
		};
	};
};

&hdmi0 {
	status = "okay";

	ports {
		#address-cells = <1>;
		#size-cells = <0>;
		port@0 {
			reg = <0>;
			rcar_dw_hdmi0_in: endpoint {
				remote-endpoint = <&du_out_hdmi0>;
			};
		};
		port@1 {
			reg = <1>;
			rcar_dw_hdmi0_out: endpoint {
				remote-endpoint = <&hdmi0_con>;
			};
		};
	};
};

&sdhi0 {
	pinctrl-0 = <&sdhi0_pins>;
	pinctrl-1 = <&sdhi0_pins_uhs>;
	pinctrl-names = "default", "state_uhs";

	vmmc-supply = <&vcc_sdhi0>;
	vqmmc-supply = <&vccq_sdhi0>;
	cd-gpios = <&gpio3 12 GPIO_ACTIVE_LOW>;
	bus-width = <4>;
	sd-uhs-sdr50;
	status = "okay";
};

&sdhi2 {
	/* used for on-board 8bit eMMC */
	pinctrl-0 = <&sdhi2_pins>;
	pinctrl-1 = <&sdhi2_pins_uhs>;
	pinctrl-names = "default", "state_uhs";

	vmmc-supply = <&reg_3p3v>;
	vqmmc-supply = <&reg_1p8v>;
	mmc-hs200-1_8v;
	mmc-hs400-1_8v;
	bus-width = <8>;
	non-removable;
	status = "okay";
};

&scif2 {
	pinctrl-0 = <&scif2_pins>;
	pinctrl-names = "default";

	status = "okay";
};

&scif_clk {
	clock-frequency = <14745600>;
	status = "okay";
};

&i2c2 {
	pinctrl-0 = <&i2c2_pins>;
	pinctrl-names = "default";

	status = "okay";

	clock-frequency = <100000>;

	ak4613: codec@10 {
		compatible = "asahi-kasei,ak4613";
		#sound-dai-cells = <0>;
		reg = <0x10>;
		clocks = <&rcar_sound 3>;

		asahi-kasei,in1-single-end;
		asahi-kasei,in2-single-end;
		asahi-kasei,out1-single-end;
		asahi-kasei,out2-single-end;
		asahi-kasei,out3-single-end;
		asahi-kasei,out4-single-end;
		asahi-kasei,out5-single-end;
		asahi-kasei,out6-single-end;
	};

	cs2000: clk-multiplier@4f {
		#clock-cells = <0>;
		compatible = "cirrus,cs2000-cp";
		reg = <0x4f>;
		clocks = <&audio_clkout>, <&x12_clk>;
		clock-names = "clk_in", "ref_clk";

		assigned-clocks = <&cs2000>;
		assigned-clock-rates = <24576000>; /* 1/1 divide */
	};
};

&i2c4 {
	status = "okay";
	clock-frequency = <400000>;
};

&rcar_sound {
	pinctrl-0 = <&sound_pins &sound_clk_pins>;
	pinctrl-names = "default";

	/* Single DAI */
	#sound-dai-cells = <0>;

	/* audio_clkout0/1/2/3 */
	#clock-cells = <1>;
	clock-frequency = <11289600>;
	clkout-lr-synchronous;

	status = "okay";

	/* update <audio_clk_b> to <cs2000> */
	clocks = <&cpg CPG_MOD 1005>,
		 <&cpg CPG_MOD 1006>, <&cpg CPG_MOD 1007>,
		 <&cpg CPG_MOD 1008>, <&cpg CPG_MOD 1009>,
		 <&cpg CPG_MOD 1010>, <&cpg CPG_MOD 1011>,
		 <&cpg CPG_MOD 1012>, <&cpg CPG_MOD 1013>,
		 <&cpg CPG_MOD 1014>, <&cpg CPG_MOD 1015>,
		 <&cpg CPG_MOD 1022>, <&cpg CPG_MOD 1023>,
		 <&cpg CPG_MOD 1024>, <&cpg CPG_MOD 1025>,
		 <&cpg CPG_MOD 1026>, <&cpg CPG_MOD 1027>,
		 <&cpg CPG_MOD 1028>, <&cpg CPG_MOD 1029>,
		 <&cpg CPG_MOD 1030>, <&cpg CPG_MOD 1031>,
		 <&cpg CPG_MOD 1020>, <&cpg CPG_MOD 1021>,
		 <&cpg CPG_MOD 1020>, <&cpg CPG_MOD 1021>,
		 <&cpg CPG_MOD 1019>, <&cpg CPG_MOD 1018>,
		 <&audio_clk_a>, <&cs2000>,
		 <&audio_clk_c>,
		 <&cpg CPG_CORE R8A7796_CLK_S0D4>;

	rcar_sound,dai {
		dai0 {
			playback = <&ssi0 &src0 &dvc0>;
			capture  = <&ssi1 &src1 &dvc1>;
		};
	};
};

&ssi1 {
	shared-pin;
};

&audio_clk_a {
	clock-frequency = <22579200>;
};

&i2c_dvfs {
	status = "okay";
	clock-frequency = <400000>;

	vdd_dvfs: regulator@30 {
		compatible = "rohm,bd9571mwv";
		reg = <0x30>;

		regulator-min-microvolt = <750000>;
		regulator-max-microvolt = <1030000>;
		regulator-boot-on;
		regulator-always-on;
	};
};

&wdt0 {
	timeout-sec = <60>;
	status = "okay";
};

&usb2_phy1 {
	pinctrl-0 = <&usb1_pins>;
	pinctrl-names = "default";

	status = "okay";
};

&ehci1 {
	status = "okay";
};

&ohci1 {
	status = "okay";
};

&msiof_ref_clk {
	clock-frequency = <66666666>;
};

&msiof1 {
	pinctrl-0 = <&msiof1_pins>;
	pinctrl-names = "default";
	status = "okay";

	spidev@0 {
		compatible = "renesas,sh-msiof";
		reg = <0>;
		spi-max-frequency = <66666666>;
		spi-cpha;
		spi-cpol;
	};
};

&vspb {
	status = "okay";
};

&vspi0 {
	status = "okay";
};


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