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>

diff --git a/arch/arc/boot/dts/vdk_axs10x_mb.dtsi b/arch/arc/boot/dts/vdk_axs10x_mb.dtsi
index 45cd665fca232e80d244afe43239df125b1ac215..99498a4b42161cadaffd530566f28674a16986bf 100644 (file)
--- 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 031a5bc79b3e5751dad2de430d134efc83c2adf5..2ba60c399d99408fbe870e741fd3cd1e60df3602 100644 (file)
--- 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 52ec315dc5c954722e182a41bd13372618287f2f..969b206d6c67bbbb72ad80edb104946b81197193 100644 (file)
--- 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