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 --- arch/arc/boot/dts/vdk_axs10x_mb.dtsi | 13 +++++++++---- arch/arc/boot/dts/vdk_hs38_smp.dts | 2 +- arch/arc/configs/vdk_hs38_smp_defconfig | 7 ++----- 3 files changed, 12 insertions(+), 10 deletions(-)
diff --git a/arch/arc/boot/dts/vdk_axs10x_mb.dtsi b/arch/arc/boot/dts/vdk_axs10x_mb.dtsi index 45cd665..99498a4 100644 --- a/arch/arc/boot/dts/vdk_axs10x_mb.dtsi +++ b/arch/arc/boot/dts/vdk_axs10x_mb.dtsi @@ -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 */ diff --git a/arch/arc/boot/dts/vdk_hs38_smp.dts b/arch/arc/boot/dts/vdk_hs38_smp.dts index 031a5bc..2ba60c39 100644 --- a/arch/arc/boot/dts/vdk_hs38_smp.dts +++ b/arch/arc/boot/dts/vdk_hs38_smp.dts @@ -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"; }; }; diff --git a/arch/arc/configs/vdk_hs38_smp_defconfig b/arch/arc/configs/vdk_hs38_smp_defconfig index 52ec315..969b206 100644 --- a/arch/arc/configs/vdk_hs38_smp_defconfig +++ b/arch/arc/configs/vdk_hs38_smp_defconfig @@ -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