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Commit c8f1daa8 authored by Alexey Brodkin's avatar Alexey Brodkin
Browse files

ARCv2: [vdk] Enable ARC PGU on HS38 VDK 



With required ARC PGU updates that allow it to be used on simulation
platforms we may finally utilize ARC PGU in HS38 VDK with modern
Linux kernels.

Signed-off-by: default avatarAlexey Brodkin <abrodkin@synopsys.com>
parent a189d28e

arch/arc/boot/dts/vdk_axs10x_mb.dtsi

+9 −4
Original line number Diff line number Diff line
@@ -23,6 +23,11 @@ 
				#clock-cells = <0>;

			};



			pguclk: pguclk {

				#clock-cells = <0>;

				compatible = "fixed-clock";

				clock-frequency = <25175000>;

			};

		};



		ethernet@0x18000 {
@@ -75,11 +80,11 @@ 
		};



/* PGU output directly sent to virtual LCD screen; hdmi controller not modelled */

		pgu@0x17000 {

			compatible = "snps,arcpgufb";

		pgu@17000 {

			compatible = "snps,arcpgu";

			reg = <0x17000 0x400>;

			clock-frequency = <51000000>; /* PGU'clock is initated in init function */

			/* interrupts = <5>;   PGU interrupts not used, this vector is used for ps2 below */

			clocks = <&pguclk>;

			clock-names = "pxlclk";

		};



/* VDK has additional ps2 keyboard/mouse interface integrated in LCD screen model */

arch/arc/boot/dts/vdk_hs38_smp.dts

+1 −1
Original line number Diff line number Diff line
@@ -16,6 +16,6 @@ 
	compatible = "snps,axs103";



	chosen {

		bootargs = "earlycon=uart8250,mmio32,0xe0022000,115200n8 console=tty0 console=ttyS3,115200n8 consoleblank=0";

		bootargs = "earlycon=uart8250,mmio32,0xe0022000,115200n8 console=tty0 console=ttyS3,115200n8 consoleblank=0 video=640x480-24";

	};

};

arch/arc/configs/vdk_hs38_smp_defconfig

+2 −5
Original line number Diff line number Diff line
@@ -63,12 +63,9 @@ CONFIG_SERIAL_8250_DW=y 
CONFIG_SERIAL_OF_PLATFORM=y

# CONFIG_HW_RANDOM is not set

# CONFIG_HWMON is not set

CONFIG_FB=y

CONFIG_ARCPGU_RGB888=y

CONFIG_ARCPGU_DISPTYPE=0

# CONFIG_VGA_CONSOLE is not set

CONFIG_DRM=y

CONFIG_DRM_ARCPGU=y

CONFIG_FRAMEBUFFER_CONSOLE=y

CONFIG_FRAMEBUFFER_CONSOLE_DETECT_PRIMARY=y

CONFIG_LOGO=y

# CONFIG_LOGO_LINUX_MONO is not set

# CONFIG_LOGO_LINUX_VGA16 is not set