diff --git a/board/zynqmp/kria/patches/uboot/0001-arm64-zynqmp-zynqmp-sm-k26-revA-Fix-DP-PLL-configura.patch b/board/zynqmp/kria/patches/uboot/0001-arm64-zynqmp-zynqmp-sm-k26-revA-Fix-DP-PLL-configura.patch new file mode 100644 index 0000000000..99dc056115 --- /dev/null +++ b/board/zynqmp/kria/patches/uboot/0001-arm64-zynqmp-zynqmp-sm-k26-revA-Fix-DP-PLL-configura.patch @@ -0,0 +1,39 @@ +From c6677ee92c05e3f0f22cc08e3b309a996292562f Mon Sep 17 00:00:00 2001 +From: Neal Frager +Date: Fri, 13 May 2022 14:02:07 +0100 +Subject: [PATCH 1/1] arm64: zynqmp: zynqmp-sm-k26-revA: Fix DP PLL + configuration + +This patch fixes the DP audio and video PLL configurations for the zynqmp-sm-k26-revA som. + +The Linux DP driver expects the DP to be using the following PLL config: + - DP video PLL should use the VPLL (0x0) + - DP audio PLL should use the RPLL (0x3) + - DP system time clock PLL should use RPLL (0x3) + +Register 0xFD1A0070 configures the DP video PLL. +Register 0xFD1A0074 configures the DP audio PLL. +Register 0xFD1A007C configures the DP system time clock PLL. + +Signed-off-by: Neal Frager +--- + board/xilinx/zynqmp/zynqmp-sm-k26-revA/psu_init_gpl.c | 3 +++ + 1 file changed, 3 insertions(+) + +diff --git a/board/xilinx/zynqmp/zynqmp-sm-k26-revA/psu_init_gpl.c b/board/xilinx/zynqmp/zynqmp-sm-k26-revA/psu_init_gpl.c +index ed025790bc..e5598807e8 100644 +--- a/board/xilinx/zynqmp/zynqmp-sm-k26-revA/psu_init_gpl.c ++++ b/board/xilinx/zynqmp/zynqmp-sm-k26-revA/psu_init_gpl.c +@@ -74,6 +74,9 @@ static unsigned long psu_clock_init_data(void) + psu_mask_write(0xFF5E0128, 0x01003F07U, 0x01000A00U); + psu_mask_write(0xFD1A0060, 0x03003F07U, 0x03000100U); + psu_mask_write(0xFD1A0068, 0x01003F07U, 0x01000200U); ++ psu_mask_write(0xFD1A0070, 0x013F3F07U, 0x01010500U); ++ psu_mask_write(0xFD1A0074, 0x013F3F07U, 0x01013C03U); ++ psu_mask_write(0xFD1A007C, 0x013F3F07U, 0x01013803U); + psu_mask_write(0xFD1A0080, 0x00003F07U, 0x00000200U); + psu_mask_write(0xFD1A0084, 0x07003F07U, 0x07000100U); + psu_mask_write(0xFD1A00B8, 0x01003F07U, 0x01000203U); +-- +2.17.1 + diff --git a/configs/zynqmp_kria_kv260_defconfig b/configs/zynqmp_kria_kv260_defconfig index cc01fb9155..42b8fdaf84 100644 --- a/configs/zynqmp_kria_kv260_defconfig +++ b/configs/zynqmp_kria_kv260_defconfig @@ -36,3 +36,4 @@ BR2_TARGET_UBOOT_NEEDS_ATF_BL31=y BR2_PACKAGE_HOST_DOSFSTOOLS=y BR2_PACKAGE_HOST_GENIMAGE=y BR2_PACKAGE_HOST_MTOOLS=y +BR2_GLOBAL_PATCH_DIR="board/zynqmp/kria/patches"