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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: Alexey Brodkin <abrodkin@synopsys.com>
hifive-unleashed-5.1
Alexey Brodkin 2016-06-06 10:52:51 +03:00
parent a189d28e5e
commit c8f1daa8ba
3 changed files with 12 additions and 10 deletions
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13
arch/arc/boot/dts/vdk_axs10x_mb.dtsi
View File

@ -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 */

2
arch/arc/boot/dts/vdk_hs38_smp.dts
View File

@ -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";
};
};

7
arch/arc/configs/vdk_hs38_smp_defconfig
View File

@ -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