Merge tag 'xilinx-for-v2022.04-rc1' of https://source.denx.de/u-boot/custodians/u-boot-microblazeWIP/19Jan2022

Xilinx changes for v2022.04-rc1

gpio:
- Add modepin driver

net:
- Save random mac addresses to eth variable

zynqmp gem:
- Add support for mdio bus DT description
- Add support for reset and SGMII phy configuration
- Reduce timeout for MDIO accesses

zynqmp clk:
- Fix clock handling for gem and usb

phy:
- Add zynqmp phy/serdes driver

serial:
- Add one missing compatible string

microblaze:
- Symbol alignement
- SPL fixups
- Code cleanups

zynqmp:
- Various dt changes, DP pre-reloc, gem resets, gem clocks
- Switch SOM to shared psu configuration
- Move dcache handling to firmware driver
- Workaround gmii2rgmii DT description issue
- Enable broadcasts again
- Change firmware enablement logic
- Small adjustement in firmware driver

versal:
- Support new mmc@ DT nodes
- Fix run time variable handling
- Add missing I2C_PMC ID for power domain

33 files changed, 1224 insertions, 232 deletions

diff --git a/MAINTAINERS b/MAINTAINERS
index 38c68ee..64648c2 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -618,6 +618,7 @@ F:	drivers/clk/clk_zynqmp.c
 F:	driver/firmware/firmware-zynqmp.c
 F:	drivers/fpga/zynqpl.c
 F:	drivers/gpio/zynq_gpio.c
+F:	drivers/gpio/zynqmp_gpio_modepin.c
 F:	drivers/i2c/i2c-cdns.c
 F:	drivers/i2c/muxes/pca954x.c
 F:	drivers/i2c/zynq_i2c.c
@@ -626,6 +627,7 @@ F:	drivers/mmc/zynq_sdhci.c
 F:	drivers/mtd/nand/raw/zynq_nand.c
 F:	drivers/net/phy/xilinx_phy.c
 F:	drivers/net/zynq_gem.c
+F:	drivers/phy/phy-zynqmp.c
 F:	drivers/serial/serial_zynq.c
 F:	drivers/reset/reset-zynqmp.c
 F:	drivers/rtc/zynqmp_rtc.c
diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig
index 4495497..8fc1897 100644
--- a/arch/arm/Kconfig
+++ b/arch/arm/Kconfig
@@ -1207,7 +1207,7 @@ config ARCH_ZYNQMP
 	select DM_SERIAL
 	select DM_SPI if SPI
 	select DM_SPI_FLASH if DM_SPI
-	select FIRMWARE
+	imply FIRMWARE
 	select GICV2
 	select GPIO_EXTRA_HEADER
 	select OF_CONTROL
@@ -1217,7 +1217,7 @@ config ARCH_ZYNQMP
 	select SPL_DM_SPI if SPI && SPL_DM
 	select SPL_DM_SPI_FLASH if SPL_DM_SPI
 	select SPL_DM_MAILBOX if SPL
-	select SPL_FIRMWARE if SPL
+	imply SPL_FIRMWARE if SPL
 	select SPL_SEPARATE_BSS if SPL
 	select SUPPORT_SPL
 	select ZYNQMP_IPI
@@ -1228,6 +1228,7 @@ config ARCH_ZYNQMP
 	imply FAT_WRITE
 	imply MP
 	imply DM_USB_GADGET
+	imply ZYNQMP_GPIO_MODEPIN if DM_GPIO && USB
 
 config ARCH_TEGRA
 	bool "NVIDIA Tegra"
diff --git a/arch/arm/dts/zynqmp-clk-ccf.dtsi b/arch/arm/dts/zynqmp-clk-ccf.dtsi
index b27b0aa..664e658 100644
--- a/arch/arm/dts/zynqmp-clk-ccf.dtsi
+++ b/arch/arm/dts/zynqmp-clk-ccf.dtsi
@@ -169,28 +169,24 @@
 	clocks = <&zynqmp_clk LPD_LSBUS>, <&zynqmp_clk GEM0_REF>,
 		 <&zynqmp_clk GEM0_TX>, <&zynqmp_clk GEM0_RX>,
 		 <&zynqmp_clk GEM_TSU>;
-	clock-names = "pclk", "hclk", "tx_clk", "rx_clk", "tsu_clk";
 };
 
 &gem1 {
 	clocks = <&zynqmp_clk LPD_LSBUS>, <&zynqmp_clk GEM1_REF>,
 		 <&zynqmp_clk GEM1_TX>, <&zynqmp_clk GEM1_RX>,
 		 <&zynqmp_clk GEM_TSU>;
-	clock-names = "pclk", "hclk", "tx_clk", "rx_clk", "tsu_clk";
 };
 
 &gem2 {
 	clocks = <&zynqmp_clk LPD_LSBUS>, <&zynqmp_clk GEM2_REF>,
 		 <&zynqmp_clk GEM2_TX>, <&zynqmp_clk GEM2_RX>,
 		 <&zynqmp_clk GEM_TSU>;
-	clock-names = "pclk", "hclk", "tx_clk", "rx_clk", "tsu_clk";
 };
 
 &gem3 {
 	clocks = <&zynqmp_clk LPD_LSBUS>, <&zynqmp_clk GEM3_REF>,
 		 <&zynqmp_clk GEM3_TX>, <&zynqmp_clk GEM3_RX>,
 		 <&zynqmp_clk GEM_TSU>;
-	clock-names = "pclk", "hclk", "tx_clk", "rx_clk", "tsu_clk";
 };
 
 &gpio {
diff --git a/arch/arm/dts/zynqmp.dtsi b/arch/arm/dts/zynqmp.dtsi
index 1332f53..755a4ed 100644
--- a/arch/arm/dts/zynqmp.dtsi
+++ b/arch/arm/dts/zynqmp.dtsi
@@ -265,7 +265,7 @@
 		};
 
 		/* GDMA */
-		fpd_dma_chan1: dma@fd500000 {
+		fpd_dma_chan1: dma-controller@fd500000 {
 			status = "disabled";
 			compatible = "xlnx,zynqmp-dma-1.0";
 			reg = <0x0 0xfd500000 0x0 0x1000>;
@@ -276,9 +276,10 @@
 			#stream-id-cells = <1>;
 			iommus = <&smmu 0x14e8>;
 			power-domains = <&zynqmp_firmware PD_GDMA>;
+			#dma-cells = <1>;
 		};
 
-		fpd_dma_chan2: dma@fd510000 {
+		fpd_dma_chan2: dma-controller@fd510000 {
 			status = "disabled";
 			compatible = "xlnx,zynqmp-dma-1.0";
 			reg = <0x0 0xfd510000 0x0 0x1000>;
@@ -289,9 +290,10 @@
 			#stream-id-cells = <1>;
 			iommus = <&smmu 0x14e9>;
 			power-domains = <&zynqmp_firmware PD_GDMA>;
+			#dma-cells = <1>;
 		};
 
-		fpd_dma_chan3: dma@fd520000 {
+		fpd_dma_chan3: dma-controller@fd520000 {
 			status = "disabled";
 			compatible = "xlnx,zynqmp-dma-1.0";
 			reg = <0x0 0xfd520000 0x0 0x1000>;
@@ -302,9 +304,10 @@
 			#stream-id-cells = <1>;
 			iommus = <&smmu 0x14ea>;
 			power-domains = <&zynqmp_firmware PD_GDMA>;
+			#dma-cells = <1>;
 		};
 
-		fpd_dma_chan4: dma@fd530000 {
+		fpd_dma_chan4: dma-controller@fd530000 {
 			status = "disabled";
 			compatible = "xlnx,zynqmp-dma-1.0";
 			reg = <0x0 0xfd530000 0x0 0x1000>;
@@ -315,9 +318,10 @@
 			#stream-id-cells = <1>;
 			iommus = <&smmu 0x14eb>;
 			power-domains = <&zynqmp_firmware PD_GDMA>;
+			#dma-cells = <1>;
 		};
 
-		fpd_dma_chan5: dma@fd540000 {
+		fpd_dma_chan5: dma-controller@fd540000 {
 			status = "disabled";
 			compatible = "xlnx,zynqmp-dma-1.0";
 			reg = <0x0 0xfd540000 0x0 0x1000>;
@@ -328,9 +332,10 @@
 			#stream-id-cells = <1>;
 			iommus = <&smmu 0x14ec>;
 			power-domains = <&zynqmp_firmware PD_GDMA>;
+			#dma-cells = <1>;
 		};
 
-		fpd_dma_chan6: dma@fd550000 {
+		fpd_dma_chan6: dma-controller@fd550000 {
 			status = "disabled";
 			compatible = "xlnx,zynqmp-dma-1.0";
 			reg = <0x0 0xfd550000 0x0 0x1000>;
@@ -341,9 +346,10 @@
 			#stream-id-cells = <1>;
 			iommus = <&smmu 0x14ed>;
 			power-domains = <&zynqmp_firmware PD_GDMA>;
+			#dma-cells = <1>;
 		};
 
-		fpd_dma_chan7: dma@fd560000 {
+		fpd_dma_chan7: dma-controller@fd560000 {
 			status = "disabled";
 			compatible = "xlnx,zynqmp-dma-1.0";
 			reg = <0x0 0xfd560000 0x0 0x1000>;
@@ -354,9 +360,10 @@
 			#stream-id-cells = <1>;
 			iommus = <&smmu 0x14ee>;
 			power-domains = <&zynqmp_firmware PD_GDMA>;
+			#dma-cells = <1>;
 		};
 
-		fpd_dma_chan8: dma@fd570000 {
+		fpd_dma_chan8: dma-controller@fd570000 {
 			status = "disabled";
 			compatible = "xlnx,zynqmp-dma-1.0";
 			reg = <0x0 0xfd570000 0x0 0x1000>;
@@ -367,6 +374,7 @@
 			#stream-id-cells = <1>;
 			iommus = <&smmu 0x14ef>;
 			power-domains = <&zynqmp_firmware PD_GDMA>;
+			#dma-cells = <1>;
 		};
 
 		gic: interrupt-controller@f9010000 {
@@ -396,7 +404,7 @@
 		 * These dma channels, Users should ensure that these dma
 		 * Channels are allowed for non secure access.
 		 */
-		lpd_dma_chan1: dma@ffa80000 {
+		lpd_dma_chan1: dma-controller@ffa80000 {
 			status = "disabled";
 			compatible = "xlnx,zynqmp-dma-1.0";
 			reg = <0x0 0xffa80000 0x0 0x1000>;
@@ -407,9 +415,10 @@
 			#stream-id-cells = <1>;
 			iommus = <&smmu 0x868>;
 			power-domains = <&zynqmp_firmware PD_ADMA>;
+			#dma-cells = <1>;
 		};
 
-		lpd_dma_chan2: dma@ffa90000 {
+		lpd_dma_chan2: dma-controller@ffa90000 {
 			status = "disabled";
 			compatible = "xlnx,zynqmp-dma-1.0";
 			reg = <0x0 0xffa90000 0x0 0x1000>;
@@ -420,9 +429,10 @@
 			#stream-id-cells = <1>;
 			iommus = <&smmu 0x869>;
 			power-domains = <&zynqmp_firmware PD_ADMA>;
+			#dma-cells = <1>;
 		};
 
-		lpd_dma_chan3: dma@ffaa0000 {
+		lpd_dma_chan3: dma-controller@ffaa0000 {
 			status = "disabled";
 			compatible = "xlnx,zynqmp-dma-1.0";
 			reg = <0x0 0xffaa0000 0x0 0x1000>;
@@ -433,9 +443,10 @@
 			#stream-id-cells = <1>;
 			iommus = <&smmu 0x86a>;
 			power-domains = <&zynqmp_firmware PD_ADMA>;
+			#dma-cells = <1>;
 		};
 
-		lpd_dma_chan4: dma@ffab0000 {
+		lpd_dma_chan4: dma-controller@ffab0000 {
 			status = "disabled";
 			compatible = "xlnx,zynqmp-dma-1.0";
 			reg = <0x0 0xffab0000 0x0 0x1000>;
@@ -446,9 +457,10 @@
 			#stream-id-cells = <1>;
 			iommus = <&smmu 0x86b>;
 			power-domains = <&zynqmp_firmware PD_ADMA>;
+			#dma-cells = <1>;
 		};
 
-		lpd_dma_chan5: dma@ffac0000 {
+		lpd_dma_chan5: dma-controller@ffac0000 {
 			status = "disabled";
 			compatible = "xlnx,zynqmp-dma-1.0";
 			reg = <0x0 0xffac0000 0x0 0x1000>;
@@ -459,9 +471,10 @@
 			#stream-id-cells = <1>;
 			iommus = <&smmu 0x86c>;
 			power-domains = <&zynqmp_firmware PD_ADMA>;
+			#dma-cells = <1>;
 		};
 
-		lpd_dma_chan6: dma@ffad0000 {
+		lpd_dma_chan6: dma-controller@ffad0000 {
 			status = "disabled";
 			compatible = "xlnx,zynqmp-dma-1.0";
 			reg = <0x0 0xffad0000 0x0 0x1000>;
@@ -472,9 +485,10 @@
 			#stream-id-cells = <1>;
 			iommus = <&smmu 0x86d>;
 			power-domains = <&zynqmp_firmware PD_ADMA>;
+			#dma-cells = <1>;
 		};
 
-		lpd_dma_chan7: dma@ffae0000 {
+		lpd_dma_chan7: dma-controller@ffae0000 {
 			status = "disabled";
 			compatible = "xlnx,zynqmp-dma-1.0";
 			reg = <0x0 0xffae0000 0x0 0x1000>;
@@ -485,9 +499,10 @@
 			#stream-id-cells = <1>;
 			iommus = <&smmu 0x86e>;
 			power-domains = <&zynqmp_firmware PD_ADMA>;
+			#dma-cells = <1>;
 		};
 
-		lpd_dma_chan8: dma@ffaf0000 {
+		lpd_dma_chan8: dma-controller@ffaf0000 {
 			status = "disabled";
 			compatible = "xlnx,zynqmp-dma-1.0";
 			reg = <0x0 0xffaf0000 0x0 0x1000>;
@@ -498,6 +513,7 @@
 			#stream-id-cells = <1>;
 			iommus = <&smmu 0x86f>;
 			power-domains = <&zynqmp_firmware PD_ADMA>;
+			#dma-cells = <1>;
 		};
 
 		mc: memory-controller@fd070000 {
@@ -527,12 +543,13 @@
 			interrupt-parent = <&gic>;
 			interrupts = <0 57 4>, <0 57 4>;
 			reg = <0x0 0xff0b0000 0x0 0x1000>;
-			clock-names = "pclk", "hclk", "tx_clk";
+			clock-names = "pclk", "hclk", "tx_clk", "rx_clk", "tsu_clk";
 			#address-cells = <1>;
 			#size-cells = <0>;
 			#stream-id-cells = <1>;
 			iommus = <&smmu 0x874>;
 			power-domains = <&zynqmp_firmware PD_ETH_0>;
+			resets = <&zynqmp_reset ZYNQMP_RESET_GEM0>;
 		};
 
 		gem1: ethernet@ff0c0000 {
@@ -541,12 +558,13 @@
 			interrupt-parent = <&gic>;
 			interrupts = <0 59 4>, <0 59 4>;
 			reg = <0x0 0xff0c0000 0x0 0x1000>;
-			clock-names = "pclk", "hclk", "tx_clk";
+			clock-names = "pclk", "hclk", "tx_clk", "rx_clk", "tsu_clk";
 			#address-cells = <1>;
 			#size-cells = <0>;
 			#stream-id-cells = <1>;
 			iommus = <&smmu 0x875>;
 			power-domains = <&zynqmp_firmware PD_ETH_1>;
+			resets = <&zynqmp_reset ZYNQMP_RESET_GEM1>;
 		};
 
 		gem2: ethernet@ff0d0000 {
@@ -555,12 +573,13 @@
 			interrupt-parent = <&gic>;
 			interrupts = <0 61 4>, <0 61 4>;
 			reg = <0x0 0xff0d0000 0x0 0x1000>;
-			clock-names = "pclk", "hclk", "tx_clk";
+			clock-names = "pclk", "hclk", "tx_clk", "rx_clk", "tsu_clk";
 			#address-cells = <1>;
 			#size-cells = <0>;
 			#stream-id-cells = <1>;
 			iommus = <&smmu 0x876>;
 			power-domains = <&zynqmp_firmware PD_ETH_2>;
+			resets = <&zynqmp_reset ZYNQMP_RESET_GEM2>;
 		};
 
 		gem3: ethernet@ff0e0000 {
@@ -569,12 +588,13 @@
 			interrupt-parent = <&gic>;
 			interrupts = <0 63 4>, <0 63 4>;
 			reg = <0x0 0xff0e0000 0x0 0x1000>;
-			clock-names = "pclk", "hclk", "tx_clk";
+			clock-names = "pclk", "hclk", "tx_clk", "rx_clk", "tsu_clk";
 			#address-cells = <1>;
 			#size-cells = <0>;
 			#stream-id-cells = <1>;
 			iommus = <&smmu 0x877>;
 			power-domains = <&zynqmp_firmware PD_ETH_3>;
+			resets = <&zynqmp_reset ZYNQMP_RESET_GEM3>;
 		};
 
 		gpio: gpio@ff0a0000 {
@@ -820,7 +840,7 @@
 
 		uart0: serial@ff000000 {
 			u-boot,dm-pre-reloc;
-			compatible = "cdns,uart-r1p12", "xlnx,xuartps";
+			compatible = "xlnx,zynqmp-uart", "cdns,uart-r1p12";
 			status = "disabled";
 			interrupt-parent = <&gic>;
 			interrupts = <0 21 4>;
@@ -831,7 +851,7 @@
 
 		uart1: serial@ff010000 {
 			u-boot,dm-pre-reloc;
-			compatible = "cdns,uart-r1p12", "xlnx,xuartps";
+			compatible = "xlnx,zynqmp-uart", "cdns,uart-r1p12";
 			status = "disabled";
 			interrupt-parent = <&gic>;
 			interrupts = <0 22 4>;
@@ -854,7 +874,7 @@
 			reset-names = "usb_crst", "usb_hibrst", "usb_apbrst";
 			ranges;
 
-			dwc3_0: dwc3@fe200000 {
+			dwc3_0: usb@fe200000 {
 				compatible = "snps,dwc3";
 				status = "disabled";
 				reg = <0x0 0xfe200000 0x0 0x40000>;
@@ -886,7 +906,7 @@
 			reset-names = "usb_crst", "usb_hibrst", "usb_apbrst";
 			ranges;
 
-			dwc3_1: dwc3@fe300000 {
+			dwc3_1: usb@fe300000 {
 				compatible = "snps,dwc3";
 				status = "disabled";
 				reg = <0x0 0xfe300000 0x0 0x40000>;
@@ -961,6 +981,7 @@
 		};
 
 		zynqmp_dpsub: display@fd4a0000 {
+			u-boot,dm-pre-reloc;
 			compatible = "xlnx,zynqmp-dpsub-1.7";
 			status = "disabled";
 			reg = <0x0 0xfd4a0000 0x0 0x1000>,
diff --git a/arch/microblaze/Kconfig b/arch/microblaze/Kconfig
index 99a17bc..a25a95a 100644
--- a/arch/microblaze/Kconfig
+++ b/arch/microblaze/Kconfig
@@ -15,6 +15,8 @@ config TARGET_MICROBLAZE_GENERIC
 	select DM_SERIAL
 	select OF_CONTROL
 	select SUPPORT_SPL
+	select SPL_LIBCOMMON_SUPPORT if SPL
+	select SPL_LIBGENERIC_SUPPORT if SPL
 	select SYSRESET
 	select DM_SPI
 	select DM_SPI_FLASH
diff --git a/arch/microblaze/cpu/exception.c b/arch/microblaze/cpu/exception.c
index b8dedc4..e9476ab 100644
--- a/arch/microblaze/cpu/exception.c
+++ b/arch/microblaze/cpu/exception.c
@@ -55,7 +55,7 @@ void _hw_exception_handler (void)
 	hang();
 }
 
-#ifdef CONFIG_SYS_USR_EXCEP
+#if CONFIG_IS_ENABLED(XILINX_MICROBLAZE0_USR_EXCEP)
 void _exception_handler (void)
 {
 	puts("User vector_exception\n");
diff --git a/arch/microblaze/cpu/spl.c b/arch/microblaze/cpu/spl.c
index 86522f8..cea6d56 100644
--- a/arch/microblaze/cpu/spl.c
+++ b/arch/microblaze/cpu/spl.c
@@ -12,12 +12,15 @@
 #include <spl.h>
 #include <asm/io.h>
 #include <asm/u-boot.h>
+#include <linux/stringify.h>
 
 bool boot_linux;
 
-u32 spl_boot_device(void)
+void board_boot_order(u32 *spl_boot_list)
 {
-	return BOOT_DEVICE_NOR;
+	spl_boot_list[0] = BOOT_DEVICE_NOR;
+	spl_boot_list[1] = BOOT_DEVICE_RAM;
+	spl_boot_list[2] = BOOT_DEVICE_SPI;
 }
 
 /* Board initialization after bss clearance */
@@ -52,8 +55,9 @@ int spl_start_uboot(void)
 
 int do_reset(struct cmd_tbl *cmdtp, int flag, int argc, char *const argv[])
 {
-	__asm__ __volatile__ ("mts rmsr, r0;" \
-			      "bra r0");
+	__asm__ __volatile__ (
+	    "mts rmsr, r0;" \
+	    "brai " __stringify(CONFIG_XILINX_MICROBLAZE0_VECTOR_BASE_ADDR));
 
 	return 0;
 }
diff --git a/arch/microblaze/cpu/start.S b/arch/microblaze/cpu/start.S
index 9479737..645f7cb 100644
--- a/arch/microblaze/cpu/start.S
+++ b/arch/microblaze/cpu/start.S
@@ -15,7 +15,7 @@
 _start:
 	mts	rmsr, r0	/* disable cache */
 
-	addi	r8, r0, __end
+	addi	r8, r0, _end
 	mts	rslr, r8
 
 #if defined(CONFIG_SPL_BUILD)
@@ -105,15 +105,17 @@ clear_bss:
  * r10: Stores little/big endian offset for vectors
  * r2: Stores imm opcode
  * r3: Stores brai opcode
+ * r4: Stores the vector base address
  */
 __setup_exceptions:
-	addik	r1, r1, -28
+	addik	r1, r1, -32
 	swi	r2, r1, 4
 	swi	r3, r1, 8
-	swi	r6, r1, 12
-	swi	r7, r1, 16
-	swi	r8, r1, 20
-	swi	r10, r1, 24
+	swi	r4, r1, 12
+	swi	r6, r1, 16
+	swi	r7, r1, 20
+	swi	r8, r1, 24
+	swi	r10, r1, 28
 
 	/* Find-out if u-boot is running on BIG/LITTLE endian platform
 	 * There are some steps which is necessary to keep in mind:
@@ -125,33 +127,32 @@ __setup_exceptions:
 	 * 4b) BIG endian - r10 contains 0x0 because 0x2 offset is on addr 0x3
 	 */
 	addik	r6, r0, 0x2 /* BIG/LITTLE endian offset */
-	lwi	r7, r0, 0x28
-	swi	r6, r0, 0x28 /* used first unused MB vector */
-	lbui	r10, r0, 0x28 /* used first unused MB vector */
-	swi	r7, r0, 0x28
+	sw	r6, r1, r0
+	lbu	r10, r1, r0
 
 	/* add opcode instruction for 32bit jump - 2 instruction imm & brai */
 	addi	r2, r0, 0xb0000000	/* hex b000 opcode imm */
 	addi	r3, r0, 0xb8080000	/* hew b808 opcode brai */
 
-#ifdef CONFIG_SYS_RESET_ADDRESS
+	/* Store the vector base address in r4 */
+	addi	r4, r0, CONFIG_XILINX_MICROBLAZE0_VECTOR_BASE_ADDR
+
 	/* reset address */
-	swi	r2, r0, 0x0	/* reset address - imm opcode */
-	swi	r3, r0, 0x4	/* reset address - brai opcode */
+	swi	r2, r4, 0x0	/* reset address - imm opcode */
+	swi	r3, r4, 0x4	/* reset address - brai opcode */
 
-	addik	r6, r0, CONFIG_SYS_RESET_ADDRESS
+	addik	r6, r0, CONFIG_SYS_TEXT_BASE
 	sw	r6, r1, r0
 	lhu	r7, r1, r10
 	rsubi	r8, r10, 0x2
-	sh	r7, r0, r8
+	sh	r7, r4, r8
 	rsubi	r8, r10, 0x6
-	sh	r6, r0, r8
-#endif
+	sh	r6, r4, r8
 
-#ifdef CONFIG_SYS_USR_EXCEP
+#if CONFIG_IS_ENABLED(XILINX_MICROBLAZE0_USR_EXCEP)
 	/* user_vector_exception */
-	swi	r2, r0, 0x8	/* user vector exception - imm opcode */
-	swi	r3, r0, 0xC	/* user vector exception - brai opcode */
+	swi	r2, r4, 0x8	/* user vector exception - imm opcode */
+	swi	r3, r4, 0xC	/* user vector exception - brai opcode */
 
 	addik	r6, r5, _exception_handler
 	sw	r6, r1, r0
@@ -177,42 +178,43 @@ __setup_exceptions:
 	 */
 	lhu	r7, r1, r10
 	rsubi	r8, r10, 0xa
-	sh	r7, r0, r8
+	sh	r7, r4, r8
 	rsubi	r8, r10, 0xe
-	sh	r6, r0, r8
+	sh	r6, r4, r8
 #endif
 
 	/* interrupt_handler */
-	swi	r2, r0, 0x10	/* interrupt - imm opcode */
-	swi	r3, r0, 0x14	/* interrupt - brai opcode */
+	swi	r2, r4, 0x10	/* interrupt - imm opcode */
+	swi	r3, r4, 0x14	/* interrupt - brai opcode */
 
 	addik	r6, r5, _interrupt_handler
 	sw	r6, r1, r0
 	lhu	r7, r1, r10
 	rsubi	r8, r10, 0x12
-	sh	r7, r0, r8
+	sh	r7, r4, r8
 	rsubi	r8, r10, 0x16
-	sh	r6, r0, r8
+	sh	r6, r4, r8
 
 	/* hardware exception */
-	swi	r2, r0, 0x20	/* hardware exception - imm opcode */
-	swi	r3, r0, 0x24	/* hardware exception - brai opcode */
+	swi	r2, r4, 0x20	/* hardware exception - imm opcode */
+	swi	r3, r4, 0x24	/* hardware exception - brai opcode */
 
 	addik	r6, r5, _hw_exception_handler
 	sw	r6, r1, r0
 	lhu	r7, r1, r10
 	rsubi	r8, r10, 0x22
-	sh	r7, r0, r8
+	sh	r7, r4, r8
 	rsubi	r8, r10, 0x26
-	sh	r6, r0, r8
+	sh	r6, r4, r8
 
-	lwi	r10, r1, 24
-	lwi	r8, r1, 20
-	lwi	r7, r1, 16
-	lwi	r6, r1, 12
+	lwi	r10, r1, 28
+	lwi	r8, r1, 24
+	lwi	r7, r1, 20
+	lwi	r6, r1, 16
+	lwi	r4, r1, 12
 	lwi	r3, r1, 8
 	lwi	r2, r1, 4
-	addik	r1, r1, 28
+	addik	r1, r1, 32
 
 	rtsd	r15, 8
 	or	r0, r0, r0
@@ -270,7 +272,7 @@ relocate_code:
 	add	r23, r0, r7 /* Move reloc addr to r23 */
 	/* Relocate text and data - r12 temp value */
 	addi	r21, r0, _start
-	addi	r22, r0, __end - 4 /* Include BSS too */
+	addi	r22, r0, _end - 4 /* Include BSS too */
 
 	rsub	r6, r21, r22
 	or	r5, r0, r0
diff --git a/arch/microblaze/cpu/u-boot-spl.lds b/arch/microblaze/cpu/u-boot-spl.lds
index 3387eb7..7883a64 100644
--- a/arch/microblaze/cpu/u-boot-spl.lds
+++ b/arch/microblaze/cpu/u-boot-spl.lds
@@ -53,10 +53,10 @@ SECTIONS
 		. = ALIGN(4);
 		__bss_end = .;
 	}
-	__end = . ;
+	_end = . ;
 }
 
 #if defined(CONFIG_SPL_MAX_FOOTPRINT)
-ASSERT(__end - _start <= (CONFIG_SPL_MAX_FOOTPRINT), \
+ASSERT(_end - _start <= (CONFIG_SPL_MAX_FOOTPRINT), \
         "SPL image plus BSS too big");
 #endif
diff --git a/arch/microblaze/cpu/u-boot.lds b/arch/microblaze/cpu/u-boot.lds
index 5dc09db..2b316cc 100644
--- a/arch/microblaze/cpu/u-boot.lds
+++ b/arch/microblaze/cpu/u-boot.lds
@@ -56,5 +56,5 @@ SECTIONS
 		. = ALIGN(4);
 		__bss_end = .;
 	}
-	__end = . ;
+	_end = . ;
 }
diff --git a/arch/microblaze/include/asm/processor.h b/arch/microblaze/include/asm/processor.h
index 16e0d0e..958018c 100644
--- a/arch/microblaze/include/asm/processor.h
+++ b/arch/microblaze/include/asm/processor.h
@@ -8,7 +8,7 @@
 
 /* References to section boundaries */
 
-extern char __end[];
+extern char _end[];
 extern char __text_start[];
 
 /* Microblaze board initialization function */
diff --git a/board/xilinx/Kconfig b/board/xilinx/Kconfig
index 64507b5..1788066 100644
--- a/board/xilinx/Kconfig
+++ b/board/xilinx/Kconfig
@@ -43,6 +43,7 @@ endif
 config XILINX_OF_BOARD_DTB_ADDR
 	hex "Default DTB pickup address"
 	default 0x1000 if ARCH_VERSAL
+	default 0x8000 if MICROBLAZE
 	default 0x100000 if ARCH_ZYNQ || ARCH_ZYNQMP
 	depends on OF_BOARD || OF_SEPARATE
 	help
diff --git a/board/xilinx/microblaze-generic/Kconfig b/board/xilinx/microblaze-generic/Kconfig
index f2fa0f7..e31257d 100644
--- a/board/xilinx/microblaze-generic/Kconfig
+++ b/board/xilinx/microblaze-generic/Kconfig
@@ -38,4 +38,20 @@ config XILINX_MICROBLAZE0_HW_VER
 	string "Core version number"
 	default "7.10.d"
 
+config XILINX_MICROBLAZE0_USR_EXCEP
+	bool "MicroBlaze user exception support"
+	default y
+	help
+	  Enable this option in order to install the user exception handler
+	  (_exception_handler routine from arch/microblaze/cpu/exception.c) in
+	  the exception vector table. The user exception vector is located at
+	  C_BASE_VECTORS + 0x8 address.
+
+config XILINX_MICROBLAZE0_VECTOR_BASE_ADDR
+	hex "Location of MicroBlaze vectors"
+	default 0x0
+	help
+	  Memory address location of the exception vector table. It is
+	  configurable via the C_BASE_VECTORS hdl parameter.
+
 endif
diff --git a/board/xilinx/versal/board.c b/board/xilinx/versal/board.c
index 6045eb2..299e128 100644
--- a/board/xilinx/versal/board.c
+++ b/board/xilinx/versal/board.c
@@ -151,6 +151,8 @@ int board_late_init(void)
 	case EMMC_MODE:
 		puts("EMMC_MODE\n");
 		if (uclass_get_device_by_name(UCLASS_MMC,
+					      "mmc@f1050000", &dev) &&
+		    uclass_get_device_by_name(UCLASS_MMC,
 					      "sdhci@f1050000", &dev)) {
 			puts("Boot from EMMC but without SD1 enabled!\n");
 			return -1;
@@ -162,6 +164,8 @@ int board_late_init(void)
 	case SD_MODE:
 		puts("SD_MODE\n");
 		if (uclass_get_device_by_name(UCLASS_MMC,
+					      "mmc@f1040000", &dev) &&
+		    uclass_get_device_by_name(UCLASS_MMC,
 					      "sdhci@f1040000", &dev)) {
 			puts("Boot from SD0 but without SD0 enabled!\n");
 			return -1;
@@ -177,6 +181,8 @@ int board_late_init(void)
 	case SD_MODE1:
 		puts("SD_MODE1\n");
 		if (uclass_get_device_by_name(UCLASS_MMC,
+					      "mmc@f1050000", &dev) &&
+		    uclass_get_device_by_name(UCLASS_MMC,
 					      "sdhci@f1050000", &dev)) {
 			puts("Boot from SD1 but without SD1 enabled!\n");
 			return -1;
@@ -263,13 +269,13 @@ enum env_location env_get_location(enum env_operation op, int prio)
 			return ENVL_FAT;
 		if (IS_ENABLED(CONFIG_ENV_IS_IN_EXT4))
 			return ENVL_EXT4;
-		return ENVL_UNKNOWN;
+		return ENVL_NOWHERE;
 	case OSPI_MODE:
 	case QSPI_MODE_24BIT:
 	case QSPI_MODE_32BIT:
 		if (IS_ENABLED(CONFIG_ENV_IS_IN_SPI_FLASH))
 			return ENVL_SPI_FLASH;
-		return ENVL_UNKNOWN;
+		return ENVL_NOWHERE;
 	case JTAG_MODE:
 	default:
 		return ENVL_NOWHERE;
diff --git a/board/xilinx/zynqmp/cmds.c b/board/xilinx/zynqmp/cmds.c
index b15c0f5..5a277c7 100644
--- a/board/xilinx/zynqmp/cmds.c
+++ b/board/xilinx/zynqmp/cmds.c
@@ -211,7 +211,6 @@ static int do_zynqmp_pmufw(struct cmd_tbl *cmdtp, int flag, int argc,
 
 	addr = hextoul(argv[2], NULL);
 	size = hextoul(argv[3], NULL);
-	flush_dcache_range((ulong)addr, (ulong)(addr + size));
 
 	zynqmp_pmufw_load_config_object((const void *)(uintptr_t)addr,
 					(size_t)size);
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 c448f2a..ed02579 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
@@ -9,33 +9,31 @@
 static unsigned long psu_pll_init_data(void)
 {
 	psu_mask_write(0xFF5E0034, 0xFE7FEDEFU, 0x7E4B0C62U);
-	psu_mask_write(0xFF5E0030, 0x00717F00U, 0x00014600U);
+	psu_mask_write(0xFF5E0030, 0x00717F00U, 0x00014000U);
 	psu_mask_write(0xFF5E0030, 0x00000008U, 0x00000008U);
 	psu_mask_write(0xFF5E0030, 0x00000001U, 0x00000001U);
 	psu_mask_write(0xFF5E0030, 0x00000001U, 0x00000000U);
 	mask_poll(0xFF5E0040, 0x00000002U);
 	psu_mask_write(0xFF5E0030, 0x00000008U, 0x00000000U);
-	psu_mask_write(0xFF5E0048, 0x00003F00U, 0x00000300U);
-	psu_mask_write(0xFF5E0038, 0x8000FFFFU, 0x00000000U);
+	psu_mask_write(0xFF5E0048, 0x00003F00U, 0x00000200U);
 	psu_mask_write(0xFF5E0108, 0x013F3F07U, 0x01012300U);
-	psu_mask_write(0xFF5E0024, 0xFE7FEDEFU, 0x7E672C6CU);
-	psu_mask_write(0xFF5E0020, 0x00717F00U, 0x00002D00U);
+	psu_mask_write(0xFF5E0024, 0xFE7FEDEFU, 0x7E4E2C62U);
+	psu_mask_write(0xFF5E0020, 0x00717F00U, 0x00013C00U);
 	psu_mask_write(0xFF5E0020, 0x00000008U, 0x00000008U);
 	psu_mask_write(0xFF5E0020, 0x00000001U, 0x00000001U);
 	psu_mask_write(0xFF5E0020, 0x00000001U, 0x00000000U);
 	mask_poll(0xFF5E0040, 0x00000001U);
 	psu_mask_write(0xFF5E0020, 0x00000008U, 0x00000000U);
-	psu_mask_write(0xFF5E0044, 0x00003F00U, 0x00000300U);
-	psu_mask_write(0xFF5E0028, 0x8000FFFFU, 0x00000000U);
+	psu_mask_write(0xFF5E0044, 0x00003F00U, 0x00000200U);
 	psu_mask_write(0xFD1A0024, 0xFE7FEDEFU, 0x7E4B0C62U);
-	psu_mask_write(0xFD1A0020, 0x00717F00U, 0x00014800U);
+	psu_mask_write(0xFD1A0020, 0x00717F00U, 0x00015000U);
 	psu_mask_write(0xFD1A0020, 0x00000008U, 0x00000008U);
 	psu_mask_write(0xFD1A0020, 0x00000001U, 0x00000001U);
 	psu_mask_write(0xFD1A0020, 0x00000001U, 0x00000000U);
 	mask_poll(0xFD1A0044, 0x00000001U);
 	psu_mask_write(0xFD1A0020, 0x00000008U, 0x00000000U);
 	psu_mask_write(0xFD1A0048, 0x00003F00U, 0x00000300U);
-	psu_mask_write(0xFD1A0028, 0x8000FFFFU, 0x00000000U);
+	psu_mask_write(0xFD1A0028, 0x8000FFFFU, 0x80000033U);
 	psu_mask_write(0xFD1A0030, 0xFE7FEDEFU, 0x7E4B0C62U);
 	psu_mask_write(0xFD1A002C, 0x00717F00U, 0x00014000U);
 	psu_mask_write(0xFD1A002C, 0x00000008U, 0x00000008U);
@@ -43,58 +41,43 @@ static unsigned long psu_pll_init_data(void)
 	psu_mask_write(0xFD1A002C, 0x00000001U, 0x00000000U);
 	mask_poll(0xFD1A0044, 0x00000002U);
 	psu_mask_write(0xFD1A002C, 0x00000008U, 0x00000000U);
-	psu_mask_write(0xFD1A004C, 0x00003F00U, 0x00000300U);
-	psu_mask_write(0xFD1A0034, 0x8000FFFFU, 0x00000000U);
-	psu_mask_write(0xFD1A003C, 0xFE7FEDEFU, 0x7E4B0C62U);
-	psu_mask_write(0xFD1A0038, 0x00717F00U, 0x00014700U);
+	psu_mask_write(0xFD1A004C, 0x00003F00U, 0x00000200U);
+	psu_mask_write(0xFD1A003C, 0xFE7FEDEFU, 0x7E4B0C82U);
+	psu_mask_write(0xFD1A0038, 0x00717F00U, 0x00015A00U);
 	psu_mask_write(0xFD1A0038, 0x00000008U, 0x00000008U);
 	psu_mask_write(0xFD1A0038, 0x00000001U, 0x00000001U);
 	psu_mask_write(0xFD1A0038, 0x00000001U, 0x00000000U);
 	mask_poll(0xFD1A0044, 0x00000004U);
 	psu_mask_write(0xFD1A0038, 0x00000008U, 0x00000000U);
 	psu_mask_write(0xFD1A0050, 0x00003F00U, 0x00000300U);
-	psu_mask_write(0xFD1A0040, 0x8000FFFFU, 0x00000000U);
 
 	return 1;
 }
 
 static unsigned long psu_clock_init_data(void)
 {
-	psu_mask_write(0xFF5E005C, 0x063F3F07U, 0x06010C00U);
-	psu_mask_write(0xFF5E0100, 0x013F3F07U, 0x01010600U);
-	psu_mask_write(0xFF5E0060, 0x023F3F07U, 0x02010600U);
-	psu_mask_write(0xFF5E004C, 0x023F3F07U, 0x020F0500U);
-	psu_mask_write(0xFF5E0068, 0x013F3F07U, 0x01010C00U);
-	psu_mask_write(0xFF5E006C, 0x013F3F07U, 0x01010800U);
-	psu_mask_write(0xFF5E0070, 0x013F3F07U, 0x01010800U);
-	psu_mask_write(0xFF18030C, 0x00020003U, 0x00000000U);
-	psu_mask_write(0xFF5E0078, 0x013F3F07U, 0x01010F00U);
-	psu_mask_write(0xFF5E0124, 0x013F3F07U, 0x01010F00U);
-	psu_mask_write(0xFF5E0080, 0x013F3F07U, 0x01010800U);
-	psu_mask_write(0xFF5E0090, 0x01003F07U, 0x01000302U);
-	psu_mask_write(0xFF5E009C, 0x01003F07U, 0x01000602U);
-	psu_mask_write(0xFF5E00A4, 0x01003F07U, 0x01000800U);
-	psu_mask_write(0xFF5E00A8, 0x01003F07U, 0x01000302U);
-	psu_mask_write(0xFF5E00AC, 0x01003F07U, 0x01000F02U);
-	psu_mask_write(0xFF5E00B0, 0x01003F07U, 0x01000602U);
-	psu_mask_write(0xFF5E00B8, 0x01003F07U, 0x01000302U);
-	psu_mask_write(0xFF5E00C0, 0x013F3F07U, 0x01010F00U);
-	psu_mask_write(0xFF5E00C4, 0x013F3F07U, 0x01040F00U);
-	psu_mask_write(0xFF5E00C8, 0x013F3F07U, 0x01010500U);
-	psu_mask_write(0xFF5E00CC, 0x013F3F07U, 0x01010400U);
-	psu_mask_write(0xFF5E0108, 0x013F3F07U, 0x01011D02U);
+	psu_mask_write(0xFF5E0068, 0x013F3F07U, 0x01010800U);
+	psu_mask_write(0xFF5E0078, 0x013F3F07U, 0x01010A00U);
+	psu_mask_write(0xFF5E0124, 0x013F3F07U, 0x01010A00U);
+	psu_mask_write(0xFF5E0080, 0x013F3F07U, 0x01010500U);
+	psu_mask_write(0xFF5E0090, 0x01003F07U, 0x01000200U);
+	psu_mask_write(0xFF5E009C, 0x01003F07U, 0x01000402U);
+	psu_mask_write(0xFF5E00A4, 0x01003F07U, 0x01000500U);
+	psu_mask_write(0xFF5E00A8, 0x01003F07U, 0x01000202U);
+	psu_mask_write(0xFF5E00AC, 0x01003F07U, 0x01000A02U);
+	psu_mask_write(0xFF5E00B0, 0x01003F07U, 0x01000402U);
+	psu_mask_write(0xFF5E00B8, 0x01003F07U, 0x01000202U);
+	psu_mask_write(0xFF5E00C0, 0x013F3F07U, 0x01010A00U);
+	psu_mask_write(0xFF5E00C4, 0x013F3F07U, 0x01010A00U);
+	psu_mask_write(0xFF5E0108, 0x013F3F07U, 0x01011402U);
 	psu_mask_write(0xFF5E0104, 0x00000007U, 0x00000000U);
-	psu_mask_write(0xFF5E0128, 0x01003F07U, 0x01000F00U);
-	psu_mask_write(0xFD1A00A0, 0x01003F07U, 0x01000200U);
-	psu_mask_write(0xFD1A0070, 0x013F3F07U, 0x01010400U);
-	psu_mask_write(0xFD1A0074, 0x013F3F07U, 0x01011003U);
-	psu_mask_write(0xFD1A007C, 0x013F3F07U, 0x01010F03U);
+	psu_mask_write(0xFF5E0128, 0x01003F07U, 0x01000A00U);
 	psu_mask_write(0xFD1A0060, 0x03003F07U, 0x03000100U);
 	psu_mask_write(0xFD1A0068, 0x01003F07U, 0x01000200U);
 	psu_mask_write(0xFD1A0080, 0x00003F07U, 0x00000200U);
 	psu_mask_write(0xFD1A0084, 0x07003F07U, 0x07000100U);
-	psu_mask_write(0xFD1A00B8, 0x01003F07U, 0x01000200U);
-	psu_mask_write(0xFD1A00BC, 0x01003F07U, 0x01000200U);
+	psu_mask_write(0xFD1A00B8, 0x01003F07U, 0x01000203U);
+	psu_mask_write(0xFD1A00BC, 0x01003F07U, 0x01000300U);
 	psu_mask_write(0xFD1A00C0, 0x01003F07U, 0x01000203U);
 	psu_mask_write(0xFD1A00C4, 0x01003F07U, 0x01000502U);
 	psu_mask_write(0xFD1A00F8, 0x00003F07U, 0x00000200U);
@@ -133,8 +116,8 @@ static unsigned long psu_ddr_init_data(void)
 	psu_mask_write(0xFD0700EC, 0xFFFF0000U, 0x08190000U);
 	psu_mask_write(0xFD0700F0, 0x0000003FU, 0x00000010U);
 	psu_mask_write(0xFD0700F4, 0x00000FFFU, 0x0000066FU);
-	psu_mask_write(0xFD070100, 0x7F3F7F3FU, 0x11102411U);
-	psu_mask_write(0xFD070104, 0x001F1F7FU, 0x00040419U);
+	psu_mask_write(0xFD070100, 0x7F3F7F3FU, 0x11102412U);
+	psu_mask_write(0xFD070104, 0x001F1F7FU, 0x0004041AU);
 	psu_mask_write(0xFD070108, 0x3F3F3F3FU, 0x0708060DU);
 	psu_mask_write(0xFD07010C, 0x3FF3F3FFU, 0x0050400CU);
 	psu_mask_write(0xFD070110, 0x1F0F0F1FU, 0x08030409U);
@@ -234,14 +217,14 @@ static unsigned long psu_ddr_init_data(void)
 	psu_mask_write(0xFD080068, 0xFFFFFFFFU, 0x01100000U);
 	psu_mask_write(0xFD080090, 0xFFFFFFFFU, 0x02A04161U);
 	psu_mask_write(0xFD0800C0, 0xFFFFFFFFU, 0x00000000U);
-	psu_mask_write(0xFD0800C4, 0xFFFFFFFFU, 0x000000E3U);
+	psu_mask_write(0xFD0800C4, 0xFFFFFFFFU, 0x000000E4U);
 	psu_mask_write(0xFD080100, 0xFFFFFFFFU, 0x0800040CU);
-	psu_mask_write(0xFD080110, 0xFFFFFFFFU, 0x07221008U);
+	psu_mask_write(0xFD080110, 0xFFFFFFFFU, 0x07241008U);
 	psu_mask_write(0xFD080114, 0xFFFFFFFFU, 0x28200008U);
 	psu_mask_write(0xFD080118, 0xFFFFFFFFU, 0x000F0300U);
 	psu_mask_write(0xFD08011C, 0xFFFFFFFFU, 0x83000800U);
 	psu_mask_write(0xFD080120, 0xFFFFFFFFU, 0x01762B07U);
-	psu_mask_write(0xFD080124, 0xFFFFFFFFU, 0x00311008U);
+	psu_mask_write(0xFD080124, 0xFFFFFFFFU, 0x00331008U);
 	psu_mask_write(0xFD080128, 0xFFFFFFFFU, 0x00000E10U);
 	psu_mask_write(0xFD080140, 0xFFFFFFFFU, 0x08400020U);
 	psu_mask_write(0xFD080144, 0xFFFFFFFFU, 0x00000C80U);
@@ -407,90 +390,63 @@ static unsigned long psu_mio_init_data(void)
 	psu_mask_write(0xFF180028, 0x000000FEU, 0x00000080U);
 	psu_mask_write(0xFF18002C, 0x000000FEU, 0x00000080U);
 	psu_mask_write(0xFF180030, 0x000000FEU, 0x00000000U);
-	psu_mask_write(0xFF180034, 0x000000FEU, 0x00000008U);
-	psu_mask_write(0xFF180038, 0x000000FEU, 0x00000008U);
-	psu_mask_write(0xFF18003C, 0x000000FEU, 0x00000008U);
-	psu_mask_write(0xFF180040, 0x000000FEU, 0x00000008U);
-	psu_mask_write(0xFF180044, 0x000000FEU, 0x00000008U);
-	psu_mask_write(0xFF180048, 0x000000FEU, 0x00000008U);
-	psu_mask_write(0xFF18004C, 0x000000FEU, 0x00000008U);
-	psu_mask_write(0xFF180050, 0x000000FEU, 0x00000008U);
-	psu_mask_write(0xFF180054, 0x000000FEU, 0x00000008U);
-	psu_mask_write(0xFF180058, 0x000000FEU, 0x00000008U);
-	psu_mask_write(0xFF18005C, 0x000000FEU, 0x00000008U);
+	psu_mask_write(0xFF180034, 0x000000FEU, 0x00000000U);
+	psu_mask_write(0xFF180038, 0x000000FEU, 0x00000000U);
+	psu_mask_write(0xFF18003C, 0x000000FEU, 0x00000000U);
+	psu_mask_write(0xFF180040, 0x000000FEU, 0x00000000U);
+	psu_mask_write(0xFF180044, 0x000000FEU, 0x00000000U);
+	psu_mask_write(0xFF180048, 0x000000FEU, 0x00000000U);
+	psu_mask_write(0xFF18004C, 0x000000FEU, 0x00000000U);
+	psu_mask_write(0xFF180050, 0x000000FEU, 0x00000000U);
+	psu_mask_write(0xFF180054, 0x000000FEU, 0x00000000U);
+	psu_mask_write(0xFF180058, 0x000000FEU, 0x00000000U);
+	psu_mask_write(0xFF18005C, 0x000000FEU, 0x00000000U);
 	psu_mask_write(0xFF180060, 0x000000FEU, 0x00000040U);
 	psu_mask_write(0xFF180064, 0x000000FEU, 0x00000040U);
 	psu_mask_write(0xFF180068, 0x000000FEU, 0x00000008U);
-	psu_mask_write(0xFF18006C, 0x000000FEU, 0x00000018U);
-	psu_mask_write(0xFF180070, 0x000000FEU, 0x00000018U);
-	psu_mask_write(0xFF180074, 0x000000FEU, 0x00000018U);
-	psu_mask_write(0xFF180078, 0x000000FEU, 0x00000018U);
+	psu_mask_write(0xFF18006C, 0x000000FEU, 0x00000000U);
+	psu_mask_write(0xFF180070, 0x000000FEU, 0x00000000U);
+	psu_mask_write(0xFF180074, 0x000000FEU, 0x00000000U);
+	psu_mask_write(0xFF180078, 0x000000FEU, 0x00000000U);
 	psu_mask_write(0xFF18007C, 0x000000FEU, 0x00000008U);
 	psu_mask_write(0xFF180080, 0x000000FEU, 0x00000008U);
 	psu_mask_write(0xFF180084, 0x000000FEU, 0x00000008U);
 	psu_mask_write(0xFF180090, 0x000000FEU, 0x000000C0U);
 	psu_mask_write(0xFF180094, 0x000000FEU, 0x000000C0U);
 	psu_mask_write(0xFF180098, 0x000000FEU, 0x00000000U);
-	psu_mask_write(0xFF18009C, 0x000000FEU, 0x00000010U);
-	psu_mask_write(0xFF1800A0, 0x000000FEU, 0x00000010U);
-	psu_mask_write(0xFF1800A4, 0x000000FEU, 0x00000010U);
-	psu_mask_write(0xFF1800A8, 0x000000FEU, 0x00000010U);
+	psu_mask_write(0xFF18009C, 0x000000FEU, 0x00000000U);
+	psu_mask_write(0xFF1800A0, 0x000000FEU, 0x00000000U);
+	psu_mask_write(0xFF1800A4, 0x000000FEU, 0x00000000U);
+	psu_mask_write(0xFF1800A8, 0x000000FEU, 0x00000000U);
 	psu_mask_write(0xFF1800AC, 0x000000FEU, 0x00000000U);
 	psu_mask_write(0xFF1800B0, 0x000000FEU, 0x00000000U);
-	psu_mask_write(0xFF1800B4, 0x000000FEU, 0x00000010U);
-	psu_mask_write(0xFF1800B8, 0x000000FEU, 0x00000010U);
-	psu_mask_write(0xFF1800BC, 0x000000FEU, 0x00000010U);
-	psu_mask_write(0xFF1800C0, 0x000000FEU, 0x00000010U);
-	psu_mask_write(0xFF1800C4, 0x000000FEU, 0x00000010U);
-	psu_mask_write(0xFF1800C8, 0x000000FEU, 0x00000010U);
-	psu_mask_write(0xFF1800CC, 0x000000FEU, 0x00000010U);
-	psu_mask_write(0xFF1800D0, 0x000000FEU, 0x00000004U);
-	psu_mask_write(0xFF1800D4, 0x000000FEU, 0x00000004U);
-	psu_mask_write(0xFF1800D8, 0x000000FEU, 0x00000004U);
-	psu_mask_write(0xFF1800DC, 0x000000FEU, 0x00000004U);
-	psu_mask_write(0xFF1800E0, 0x000000FEU, 0x00000004U);
-	psu_mask_write(0xFF1800E4, 0x000000FEU, 0x00000004U);
-	psu_mask_write(0xFF1800E8, 0x000000FEU, 0x00000004U);
-	psu_mask_write(0xFF1800EC, 0x000000FEU, 0x00000004U);
-	psu_mask_write(0xFF1800F0, 0x000000FEU, 0x00000004U);
-	psu_mask_write(0xFF1800F4, 0x000000FEU, 0x00000004U);
-	psu_mask_write(0xFF1800F8, 0x000000FEU, 0x00000004U);
-	psu_mask_write(0xFF1800FC, 0x000000FEU, 0x00000004U);
-	psu_mask_write(0xFF180100, 0x000000FEU, 0x00000002U);
-	psu_mask_write(0xFF180104, 0x000000FEU, 0x00000002U);
-	psu_mask_write(0xFF180108, 0x000000FEU, 0x00000002U);
-	psu_mask_write(0xFF18010C, 0x000000FEU, 0x00000002U);
-	psu_mask_write(0xFF180110, 0x000000FEU, 0x00000002U);
-	psu_mask_write(0xFF180114, 0x000000FEU, 0x00000002U);
-	psu_mask_write(0xFF180118, 0x000000FEU, 0x00000002U);
-	psu_mask_write(0xFF18011C, 0x000000FEU, 0x00000002U);
-	psu_mask_write(0xFF180120, 0x000000FEU, 0x00000002U);
-	psu_mask_write(0xFF180124, 0x000000FEU, 0x00000002U);
-	psu_mask_write(0xFF180128, 0x000000FEU, 0x00000002U);
-	psu_mask_write(0xFF18012C, 0x000000FEU, 0x00000002U);
-	psu_mask_write(0xFF180130, 0x000000FEU, 0x000000C0U);
-	psu_mask_write(0xFF180134, 0x000000FEU, 0x000000C0U);
-	psu_mask_write(0xFF180204, 0xFFFFFFFFU, 0xD4000000U);
-	psu_mask_write(0xFF180208, 0xFFFFFFFFU, 0x00B02020U);
-	psu_mask_write(0xFF18020C, 0x00003FFFU, 0x00000FC0U);
-	psu_mask_write(0xFF180138, 0x03FFFFFFU, 0x03FFFFFFU);
+	psu_mask_write(0xFF1800B4, 0x000000FEU, 0x00000000U);
+	psu_mask_write(0xFF1800B8, 0x000000FEU, 0x00000000U);
+	psu_mask_write(0xFF1800BC, 0x000000FEU, 0x00000000U);
+	psu_mask_write(0xFF1800C0, 0x000000FEU, 0x00000000U);
+	psu_mask_write(0xFF1800C4, 0x000000FEU, 0x00000000U);
+	psu_mask_write(0xFF1800C8, 0x000000FEU, 0x00000000U);
+	psu_mask_write(0xFF1800CC, 0x000000FEU, 0x00000000U);
+	psu_mask_write(0xFF180204, 0xFFFFFFFFU, 0x84000000U);
+	psu_mask_write(0xFF180208, 0x000FFFFFU, 0x00000020U);
+	psu_mask_write(0xFF180138, 0x03FFFFFFU, 0x00000000U);
 	psu_mask_write(0xFF18013C, 0x03FFFFFFU, 0x03FFFFFFU);
 	psu_mask_write(0xFF180140, 0x03FFFFFFU, 0x00000000U);
 	psu_mask_write(0xFF180144, 0x03FFFFFFU, 0x03FFFFFFU);
 	psu_mask_write(0xFF180148, 0x03FFFFFFU, 0x03FFFFFFU);
-	psu_mask_write(0xFF18014C, 0x03FFFFFFU, 0x00000000U);
-	psu_mask_write(0xFF180154, 0x03FFFFFFU, 0x03FFFFFFU);
+	psu_mask_write(0xFF18014C, 0x03FFFFFFU, 0x03FFFFFFU);
+	psu_mask_write(0xFF180154, 0x03FFFFFFU, 0x00080835U);
 	psu_mask_write(0xFF180158, 0x03FFFFFFU, 0x03FFFFFFU);
 	psu_mask_write(0xFF18015C, 0x03FFFFFFU, 0x00000000U);
 	psu_mask_write(0xFF180160, 0x03FFFFFFU, 0x03FFFFFFU);
 	psu_mask_write(0xFF180164, 0x03FFFFFFU, 0x03FFFFFFU);
-	psu_mask_write(0xFF180168, 0x03FFFFFFU, 0x00000000U);
-	psu_mask_write(0xFF180170, 0x03FFFFFFU, 0x03FFFFFFU);
+	psu_mask_write(0xFF180168, 0x03FFFFFFU, 0x03F7F7CAU);
+	psu_mask_write(0xFF180170, 0x03FFFFFFU, 0x00FC000BU);
 	psu_mask_write(0xFF180174, 0x03FFFFFFU, 0x03FFFFFFU);
 	psu_mask_write(0xFF180178, 0x03FFFFFFU, 0x00000000U);
 	psu_mask_write(0xFF18017C, 0x03FFFFFFU, 0x03FFFFFFU);
-	psu_mask_write(0xFF180180, 0x03FFFFFFU, 0x0357FFFFU);
-	psu_mask_write(0xFF180184, 0x03FFFFFFU, 0x00000000U);
+	psu_mask_write(0xFF180180, 0x03FFFFFFU, 0x03FFFFFFU);
+	psu_mask_write(0xFF180184, 0x03FFFFFFU, 0x0303FFF4U);
 	psu_mask_write(0xFF180200, 0x0000000FU, 0x00000000U);
 
 	return 1;
@@ -506,24 +462,15 @@ static unsigned long psu_peripherals_pre_init_data(void)
 
 static unsigned long psu_peripherals_init_data(void)
 {
-	psu_mask_write(0xFD1A0100, 0x0001007EU, 0x00000000U);
+	psu_mask_write(0xFD1A0100, 0x0000807CU, 0x00000000U);
 	psu_mask_write(0xFF5E0238, 0x001A0000U, 0x00000000U);
 	psu_mask_write(0xFF5E023C, 0x0093C018U, 0x00000000U);
-	psu_mask_write(0xFF5E0230, 0x00000008U, 0x00000000U);
 	psu_mask_write(0xFF5E0238, 0x00000001U, 0x00000000U);
 	psu_mask_write(0xFF180390, 0x00000004U, 0x00000004U);
-	psu_mask_write(0xFF5E023C, 0x00000400U, 0x00000000U);
-	psu_mask_write(0xFF5E0238, 0x00000060U, 0x00000000U);
-	psu_mask_write(0xFF180310, 0x00008001U, 0x00000001U);
-	psu_mask_write(0xFF180320, 0x33843384U, 0x02841284U);
-	psu_mask_write(0xFF18031C, 0x00007FFEU, 0x00006450U);
-	psu_mask_write(0xFF180358, 0x00080000U, 0x00080000U);
-	psu_mask_write(0xFF18031C, 0x7FFE0000U, 0x64500000U);
-	psu_mask_write(0xFF180358, 0x00000008U, 0x00000008U);
-	psu_mask_write(0xFF180324, 0x000003C0U, 0x00000000U);
-	psu_mask_write(0xFF180324, 0x03C00000U, 0x00000000U);
 	psu_mask_write(0xFF5E0238, 0x00000400U, 0x00000000U);
+	psu_mask_write(0xFF5E0238, 0x00008000U, 0x00000000U);
 	psu_mask_write(0xFF5E0238, 0x00000010U, 0x00000000U);
+	psu_mask_write(0xFF5E0238, 0x00007800U, 0x00000000U);
 	psu_mask_write(0xFF5E0238, 0x00000004U, 0x00000000U);
 	psu_mask_write(0xFF010034, 0x000000FFU, 0x00000006U);
 	psu_mask_write(0xFF010018, 0x0000FFFFU, 0x0000007CU);
@@ -536,13 +483,6 @@ static unsigned long psu_peripherals_init_data(void)
 	psu_mask_write(0xFFA60040, 0x80000000U, 0x80000000U);
 	psu_mask_write(0xFF260020, 0xFFFFFFFFU, 0x05F5DD18U);
 	psu_mask_write(0xFF260000, 0x00000001U, 0x00000001U);
-	psu_mask_write(0xFF0A0244, 0x03FFFFFFU, 0x00040000U);
-	psu_mask_write(0xFF0A0248, 0x03FFFFFFU, 0x00040000U);
-	psu_mask_write(0xFF0A000C, 0x03FF03FFU, 0x03FB0004U);
-	mask_delay(1);
-	psu_mask_write(0xFF0A000C, 0x03FF03FFU, 0x03FB0000U);
-	mask_delay(5);
-	psu_mask_write(0xFF0A000C, 0x03FF03FFU, 0x03FB0004U);
 	return 1;
 }
 
diff --git a/drivers/clk/clk_zynqmp.c b/drivers/clk/clk_zynqmp.c
index 52fecec..9038fb8 100644
--- a/drivers/clk/clk_zynqmp.c
+++ b/drivers/clk/clk_zynqmp.c
@@ -130,8 +130,8 @@ enum zynqmp_clk {
 	csu_spb, csu_pll, pcap,
 	iou_switch,
 	gem_tsu_ref, gem_tsu,
-	gem0_ref, gem1_ref, gem2_ref, gem3_ref,
 	gem0_tx, gem1_tx, gem2_tx, gem3_tx,
+	gem0_rx, gem1_rx, gem2_rx, gem3_rx,
 	qspi_ref,
 	sdio0_ref, sdio1_ref,
 	uart0_ref, uart1_ref,
@@ -144,6 +144,8 @@ enum zynqmp_clk {
 	ams_ref,
 	pl0, pl1, pl2, pl3,
 	wdt,
+	gem0_ref = 104,
+	gem1_ref, gem2_ref, gem3_ref,
 	clk_max,
 };
 
@@ -161,14 +163,18 @@ static const char * const clk_names[clk_max] = {
 	"usb1_bus_ref", "usb3_dual_ref", "usb0",
 	"usb1", "cpu_r5", "cpu_r5_core", "csu_spb",
 	"csu_pll", "pcap", "iou_switch", "gem_tsu_ref",
-	"gem_tsu", "gem0_ref", "gem1_ref", "gem2_ref",
-	"gem3_ref", "gem0_tx", "gem1_tx", "gem2_tx",
-	"gem3_tx", "qspi_ref", "sdio0_ref", "sdio1_ref",
+	"gem_tsu", "gem0_tx", "gem1_tx", "gem2_tx",
+	"gem3_tx", "gem0_rx", "gem1_rx", "gem2_rx",
+	"gem3_rx", "qspi_ref", "sdio0_ref", "sdio1_ref",
 	"uart0_ref", "uart1_ref", "spi0_ref",
 	"spi1_ref", "nand_ref", "i2c0_ref", "i2c1_ref",
 	"can0_ref", "can1_ref", "can0", "can1",
 	"dll_ref", "adma_ref", "timestamp_ref",
-	"ams_ref", "pl0", "pl1", "pl2", "pl3", "wdt"
+	"ams_ref", "pl0", "pl1", "pl2", "pl3", "wdt",
+	NULL, NULL, NULL, NULL,
+	NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
+	NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
+	NULL, NULL, NULL, NULL, "gem0_ref", "gem1_ref", "gem2_ref", "gem3_ref",
 };
 
 static const u32 pll_src[][4] = {
@@ -258,12 +264,16 @@ static u32 zynqmp_clk_get_register(enum zynqmp_clk id)
 		return CRL_APB_USB3_DUAL_REF_CTRL;
 	case gem_tsu_ref:
 		return CRL_APB_GEM_TSU_REF_CTRL;
+	case gem0_tx:
 	case gem0_ref:
 		return CRL_APB_GEM0_REF_CTRL;
+	case gem1_tx:
 	case gem1_ref:
 		return CRL_APB_GEM1_REF_CTRL;
+	case gem2_tx:
 	case gem2_ref:
 		return CRL_APB_GEM2_REF_CTRL;
+	case gem3_tx:
 	case gem3_ref:
 		return CRL_APB_GEM3_REF_CTRL;
 	case usb0_bus_ref:
@@ -665,6 +675,7 @@ static ulong zynqmp_clk_get_rate(struct clk *clk)
 	case gem_tsu_ref:
 	case pl0 ... pl3:
 	case gem0_ref ... gem3_ref:
+	case gem0_tx ... gem3_tx:
 	case qspi_ref ... can1_ref:
 	case usb0_bus_ref ... usb3_dual_ref:
 		two_divs = true;
@@ -698,7 +709,9 @@ static ulong zynqmp_clk_set_rate(struct clk *clk, ulong rate)
 
 	switch (id) {
 	case gem0_ref ... gem3_ref:
+	case gem0_tx ... gem3_tx:
 	case qspi_ref ... can1_ref:
+	case usb0_bus_ref ... usb3_dual_ref:
 		return zynqmp_clk_set_peripheral_rate(priv, id,
 						      rate, two_divs);
 	default:
@@ -808,6 +821,7 @@ static int zynqmp_clk_enable(struct clk *clk)
 		clkact_shift = 25;
 		mask = 0x1;
 		break;
+	case gem0_tx ... gem3_tx:
 	case gem0_ref ... gem3_ref:
 		clkact_shift = 25;
 		mask = 0x3;
diff --git a/drivers/firmware/firmware-zynqmp.c b/drivers/firmware/firmware-zynqmp.c
index b44fede..839203e 100644
--- a/drivers/firmware/firmware-zynqmp.c
+++ b/drivers/firmware/firmware-zynqmp.c
@@ -6,6 +6,7 @@
  */
 
 #include <common.h>
+#include <cpu_func.h>
 #include <dm.h>
 #include <log.h>
 #include <zynqmp_firmware.h>
@@ -19,6 +20,7 @@
 #define PMUFW_PAYLOAD_ARG_CNT	8
 
 #define XST_PM_NO_ACCESS	2002L
+#define XST_PM_ALREADY_CONFIGURED	2009L
 
 struct zynqmp_power {
 	struct mbox_chan tx_chan;
@@ -97,7 +99,10 @@ void zynqmp_pmufw_load_config_object(const void *cfg_obj, size_t size)
 	int err;
 	u32 ret_payload[PAYLOAD_ARG_CNT];
 
-	printf("Loading new PMUFW cfg obj (%ld bytes)\n", size);
+	if (IS_ENABLED(CONFIG_SPL_BUILD))
+		printf("Loading new PMUFW cfg obj (%ld bytes)\n", size);
+
+	flush_dcache_range((ulong)cfg_obj, (ulong)(cfg_obj + size));
 
 	err = xilinx_pm_request(PM_SET_CONFIGURATION, (u32)(u64)cfg_obj, 0, 0,
 				0, ret_payload);
@@ -106,6 +111,11 @@ void zynqmp_pmufw_load_config_object(const void *cfg_obj, size_t size)
 		return;
 	}
 
+	if (err == XST_PM_ALREADY_CONFIGURED) {
+		debug("PMUFW Node is already configured\n");
+		return;
+	}
+
 	if (err)
 		printf("Cannot load PMUFW configuration object (%d)\n", err);
 
diff --git a/drivers/gpio/Kconfig b/drivers/gpio/Kconfig
index b41a755..305a2dc 100644
--- a/drivers/gpio/Kconfig
+++ b/drivers/gpio/Kconfig
@@ -528,4 +528,13 @@ config NOMADIK_GPIO
 	  into a number of banks each with 32 GPIOs. The GPIOs for a device are
 	  defined in the device tree with one node for each bank.
 
+config ZYNQMP_GPIO_MODEPIN
+	bool "ZynqMP gpio modepin"
+	depends on DM_GPIO
+	help
+	  This config enables the ZynqMP gpio modepin driver. ZynqMP modepin
+	  driver will set and get the status of PS_MODE pins. These modepins
+	  are accessed using xilinx firmware. In modepin register, [3:0] bits
+	  set direction, [7:4] bits read IO, [11:8] bits set/clear IO.
+
 endif
diff --git a/drivers/gpio/Makefile b/drivers/gpio/Makefile
index 3c851b3..3eb77f5 100644
--- a/drivers/gpio/Makefile
+++ b/drivers/gpio/Makefile
@@ -69,3 +69,4 @@ obj-$(CONFIG_NX_GPIO)		+= nx_gpio.o
 obj-$(CONFIG_SIFIVE_GPIO)	+= sifive-gpio.o
 obj-$(CONFIG_NOMADIK_GPIO)	+= nmk_gpio.o
 obj-$(CONFIG_MAX7320_GPIO)	+= max7320_gpio.o
+obj-$(CONFIG_ZYNQMP_GPIO_MODEPIN)	+= zynqmp_gpio_modepin.o
diff --git a/drivers/gpio/zynqmp_gpio_modepin.c b/drivers/gpio/zynqmp_gpio_modepin.c
new file mode 100644
index 0000000..078fd83
--- /dev/null
+++ b/drivers/gpio/zynqmp_gpio_modepin.c
@@ -0,0 +1,153 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * ZynqMP GPIO modepin driver
+ *
+ * Copyright (C) 2021 Xilinx, Inc.
+ */
+
+#include <common.h>
+#include <errno.h>
+#include <asm/io.h>
+#include <asm/gpio.h>
+#include <dm.h>
+#include <asm/arch/hardware.h>
+#include <zynqmp_firmware.h>
+
+#define OUTEN(pin)		(BIT(0) << (pin))
+#define INVAL(pin)		(BIT(4) << (pin))
+#define OUTVAL(pin)		(BIT(8) << (pin))
+
+#define ZYNQMP_CRL_APB_BOOTPIN_CTRL_MASK	0xF0F
+#define ZYNQMP_CRL_APB_BOOT_PIN_CTRL		(ZYNQMP_CRL_APB_BASEADDR + \
+						(0x250U))
+
+static int get_gpio_modepin(u32 *ret_payload)
+{
+	return xilinx_pm_request(PM_MMIO_READ, ZYNQMP_CRL_APB_BOOT_PIN_CTRL,
+				 0, 0, 0, ret_payload);
+}
+
+static int set_gpio_modepin(int val)
+{
+	return xilinx_pm_request(PM_MMIO_WRITE, ZYNQMP_CRL_APB_BOOT_PIN_CTRL,
+				 ZYNQMP_CRL_APB_BOOTPIN_CTRL_MASK,
+				 val, 0, NULL);
+}
+
+static int modepin_gpio_direction_input(struct udevice *dev,
+					unsigned int offset)
+{
+	return 0;
+}
+
+static int modepin_gpio_set_value(struct udevice *dev, unsigned int offset,
+				  int value)
+{
+	u32 ret_payload[PAYLOAD_ARG_CNT];
+	u32 out_val = 0;
+	int ret;
+
+	ret = get_gpio_modepin(ret_payload);
+	if (value)
+		out_val = OUTVAL(offset) | ret_payload[1];
+	else
+		out_val = ~OUTVAL(offset) & ret_payload[1];
+
+	return set_gpio_modepin(out_val);
+}
+
+static int modepin_gpio_direction_output(struct udevice *dev,
+					 unsigned int offset, int value)
+{
+	u32 ret_payload[PAYLOAD_ARG_CNT];
+	u32 out_en = 0;
+	int ret;
+
+	ret = get_gpio_modepin(ret_payload);
+	if (ret)
+		return ret;
+
+	if (value)
+		out_en = OUTEN(offset) | ret_payload[1];
+	else
+		out_en = ~OUTEN(offset) & ret_payload[1];
+
+	ret = set_gpio_modepin(out_en);
+	if (ret)
+		return ret;
+
+	return modepin_gpio_set_value(dev, offset, value);
+}
+
+static int modepin_gpio_xlate(struct udevice *dev, struct gpio_desc *desc,
+			      struct ofnode_phandle_args *args)
+{
+	desc->offset = args->args[0];
+
+	return 0;
+}
+
+static int modepin_gpio_get_value(struct udevice *dev, unsigned int offset)
+{
+	u32 ret_payload[PAYLOAD_ARG_CNT];
+	int ret;
+
+	ret = get_gpio_modepin(ret_payload);
+	if (ret)
+		return ret;
+
+	return (INVAL(offset) & ret_payload[1]) ? 1 : 0;
+}
+
+static int modepin_gpio_get_function(struct udevice *dev, unsigned int offset)
+{
+	u32 ret_payload[PAYLOAD_ARG_CNT];
+	int ret;
+
+	ret = get_gpio_modepin(ret_payload);
+	if (ret)
+		return ret;
+
+	return (OUTEN(offset) & ret_payload[1]) ? GPIOF_OUTPUT : GPIOF_INPUT;
+}
+
+static const struct dm_gpio_ops modepin_gpio_ops = {
+	.direction_input = modepin_gpio_direction_input,
+	.direction_output = modepin_gpio_direction_output,
+	.get_value = modepin_gpio_get_value,
+	.set_value = modepin_gpio_set_value,
+	.get_function = modepin_gpio_get_function,
+	.xlate = modepin_gpio_xlate,
+};
+
+static int modepin_gpio_probe(struct udevice *dev)
+{
+	struct gpio_dev_priv *uc_priv = dev_get_uclass_priv(dev);
+	const void *label_ptr;
+
+	label_ptr = dev_read_prop(dev, "label", NULL);
+	if (label_ptr) {
+		uc_priv->bank_name = strdup(label_ptr);
+		if (!uc_priv->bank_name)
+			return -ENOMEM;
+	} else {
+		uc_priv->bank_name = dev->name;
+	}
+
+	uc_priv->gpio_count = 4;
+
+	return 0;
+}
+
+static const struct udevice_id modepin_gpio_ids[] = {
+	{ .compatible = "xlnx,zynqmp-gpio-modepin",},
+	{ }
+};
+
+U_BOOT_DRIVER(modepin_gpio) = {
+	.name = "modepin_gpio",
+	.id = UCLASS_GPIO,
+	.ops = &modepin_gpio_ops,
+	.of_match = modepin_gpio_ids,
+	.probe = modepin_gpio_probe,
+};
diff --git a/drivers/net/zynq_gem.c b/drivers/net/zynq_gem.c
index c309c3c..3118d14 100644
--- a/drivers/net/zynq_gem.c
+++ b/drivers/net/zynq_gem.c
@@ -12,6 +12,7 @@
 #include <common.h>
 #include <cpu_func.h>
 #include <dm.h>
+#include <generic-phy.h>
 #include <log.h>
 #include <net.h>
 #include <netdev.h>
@@ -21,6 +22,7 @@
 #include <asm/cache.h>
 #include <asm/io.h>
 #include <phy.h>
+#include <reset.h>
 #include <miiphy.h>
 #include <wait_bit.h>
 #include <watchdog.h>
@@ -60,7 +62,6 @@
 #define ZYNQ_GEM_NWCFG_SPEED100		0x00000001 /* 100 Mbps operation */
 #define ZYNQ_GEM_NWCFG_SPEED1000	0x00000400 /* 1Gbps operation */
 #define ZYNQ_GEM_NWCFG_FDEN		0x00000002 /* Full Duplex mode */
-#define ZYNQ_GEM_NWCFG_NO_BRDC		BIT(5) /* No broadcast */
 #define ZYNQ_GEM_NWCFG_FSREM		0x00020000 /* FCS removal */
 #define ZYNQ_GEM_NWCFG_SGMII_ENBL	0x08000000 /* SGMII Enable */
 #define ZYNQ_GEM_NWCFG_PCS_SEL		0x00000800 /* PCS select */
@@ -78,7 +79,6 @@
 
 #define ZYNQ_GEM_NWCFG_INIT		(ZYNQ_GEM_DBUS_WIDTH | \
 					ZYNQ_GEM_NWCFG_FDEN | \
-					ZYNQ_GEM_NWCFG_NO_BRDC | \
 					ZYNQ_GEM_NWCFG_FSREM | \
 					ZYNQ_GEM_NWCFG_MDCCLKDIV)
 
@@ -110,6 +110,8 @@
 
 #define ZYNQ_GEM_DCFG_DBG6_DMA_64B	BIT(23)
 
+#define MDIO_IDLE_TIMEOUT_MS		100
+
 /* Use MII register 1 (MII status register) to detect PHY */
 #define PHY_DETECT_REG  1
 
@@ -215,6 +217,7 @@ struct zynq_gem_priv {
 	bool int_pcs;
 	bool dma_64bit;
 	u32 clk_en_info;
+	struct reset_ctl_bulk resets;
 };
 
 static int phy_setup_op(struct zynq_gem_priv *priv, u32 phy_addr, u32 regnum,
@@ -225,7 +228,7 @@ static int phy_setup_op(struct zynq_gem_priv *priv, u32 phy_addr, u32 regnum,
 	int err;
 
 	err = wait_for_bit_le32(&regs->nwsr, ZYNQ_GEM_NWSR_MDIOIDLE_MASK,
-				true, 20000, false);
+				true, MDIO_IDLE_TIMEOUT_MS, false);
 	if (err)
 		return err;
 
@@ -238,7 +241,7 @@ static int phy_setup_op(struct zynq_gem_priv *priv, u32 phy_addr, u32 regnum,
 	writel(mgtcr, &regs->phymntnc);
 
 	err = wait_for_bit_le32(&regs->nwsr, ZYNQ_GEM_NWSR_MDIOIDLE_MASK,
-				true, 20000, false);
+				true, MDIO_IDLE_TIMEOUT_MS, false);
 	if (err)
 		return err;
 
@@ -333,7 +336,8 @@ static int zynq_phy_init(struct udevice *dev)
 				  ADVERTISED_Asym_Pause;
 
 	priv->phydev->advertising = priv->phydev->supported;
-	priv->phydev->node = priv->phy_of_node;
+	if (!ofnode_valid(priv->phydev->node))
+		priv->phydev->node = priv->phy_of_node;
 
 	return phy_config(priv->phydev);
 }
@@ -686,11 +690,48 @@ static int zynq_gem_miiphy_write(struct mii_dev *bus, int addr, int devad,
 	return phywrite(priv, addr, reg, value);
 }
 
+static int zynq_gem_reset_init(struct udevice *dev)
+{
+	struct zynq_gem_priv *priv = dev_get_priv(dev);
+	int ret;
+
+	ret = reset_get_bulk(dev, &priv->resets);
+	if (ret == -ENOTSUPP || ret == -ENOENT)
+		return 0;
+	else if (ret)
+		return ret;
+
+	ret = reset_deassert_bulk(&priv->resets);
+	if (ret) {
+		reset_release_bulk(&priv->resets);
+		return ret;
+	}
+
+	return 0;
+}
+
 static int zynq_gem_probe(struct udevice *dev)
 {
 	void *bd_space;
 	struct zynq_gem_priv *priv = dev_get_priv(dev);
 	int ret;
+	struct phy phy;
+
+	if (priv->interface == PHY_INTERFACE_MODE_SGMII) {
+		ret = generic_phy_get_by_index(dev, 0, &phy);
+		if (!ret) {
+			ret = generic_phy_init(&phy);
+			if (ret)
+				return ret;
+		} else if (ret != -ENOENT) {
+			debug("could not get phy (err %d)\n", ret);
+			return ret;
+		}
+	}
+
+	ret = zynq_gem_reset_init(dev);
+	if (ret)
+		return ret;
 
 	/* Align rxbuffers to ARCH_DMA_MINALIGN */
 	priv->rxbuffers = memalign(ARCH_DMA_MINALIGN, RX_BUF * PKTSIZE_ALIGN);
@@ -743,6 +784,12 @@ static int zynq_gem_probe(struct udevice *dev)
 	if (ret)
 		goto err3;
 
+	if (priv->interface == PHY_INTERFACE_MODE_SGMII && phy.dev) {
+		ret = generic_phy_power_on(&phy);
+		if (ret)
+			return ret;
+	}
+
 	return ret;
 
 err3:
@@ -802,6 +849,9 @@ static int zynq_gem_of_to_plat(struct udevice *dev)
 							  SPEED_1000);
 
 		parent = ofnode_get_parent(phandle_args.node);
+		if (ofnode_name_eq(parent, "mdio"))
+			parent = ofnode_get_parent(parent);
+
 		addr = ofnode_get_addr(parent);
 		if (addr != FDT_ADDR_T_NONE) {
 			debug("MDIO bus not found %s\n", dev->name);
diff --git a/drivers/phy/Kconfig b/drivers/phy/Kconfig
index 4767d21..d797984 100644
--- a/drivers/phy/Kconfig
+++ b/drivers/phy/Kconfig
@@ -281,6 +281,13 @@ config PHY_IMX8MQ_USB
 	help
 	  Support the USB3.0 PHY in NXP i.MX8MQ SoC
 
+config PHY_XILINX_ZYNQMP
+	tristate "Xilinx ZynqMP PHY driver"
+	depends on PHY && ARCH_ZYNQMP
+	help
+	  Enable this to support ZynqMP High Speed Gigabit Transceiver
+	  that is part of ZynqMP SoC.
+
 source "drivers/phy/rockchip/Kconfig"
 source "drivers/phy/cadence/Kconfig"
 source "drivers/phy/ti/Kconfig"
diff --git a/drivers/phy/Makefile b/drivers/phy/Makefile
index 13a8ade..bf9b409 100644
--- a/drivers/phy/Makefile
+++ b/drivers/phy/Makefile
@@ -38,5 +38,6 @@ obj-$(CONFIG_MT76X8_USB_PHY) += mt76x8-usb-phy.o
 obj-$(CONFIG_PHY_DA8XX_USB) += phy-da8xx-usb.o
 obj-$(CONFIG_PHY_MTK_TPHY) += phy-mtk-tphy.o
 obj-$(CONFIG_PHY_IMX8MQ_USB) += phy-imx8mq-usb.o
+obj-$(CONFIG_PHY_XILINX_ZYNQMP) += phy-zynqmp.o
 obj-y += cadence/
 obj-y += ti/
diff --git a/drivers/phy/phy-zynqmp.c b/drivers/phy/phy-zynqmp.c
new file mode 100644
index 0000000..9dc3d42
--- /dev/null
+++ b/drivers/phy/phy-zynqmp.c
@@ -0,0 +1,754 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * phy-zynqmp.c - PHY driver for Xilinx ZynqMP GT.
+ *
+ * Copyright (C) 2018-2021 Xilinx Inc.
+ *
+ * Author: Anurag Kumar Vulisha <anuragku@xilinx.com>
+ * Author: Subbaraya Sundeep <sundeep.lkml@gmail.com>
+ * Author: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
+ */
+
+#include <common.h>
+#include <clk-uclass.h>
+#include <dm.h>
+#include <generic-phy.h>
+#include <log.h>
+#include <power-domain.h>
+#include <regmap.h>
+#include <syscon.h>
+#include <asm/io.h>
+#include <asm/arch/sys_proto.h>
+#include <asm/arch/hardware.h>
+#include <dm/device.h>
+#include <dm/device_compat.h>
+#include <dm/lists.h>
+#include <dt-bindings/phy/phy.h>
+#include <linux/bitops.h>
+#include <linux/delay.h>
+#include <linux/err.h>
+
+/*
+ * Lane Registers
+ */
+
+/* TX De-emphasis parameters */
+#define L0_TX_ANA_TM_18			0x0048
+#define L0_TX_ANA_TM_118		0x01d8
+#define L0_TX_ANA_TM_118_FORCE_17_0	BIT(0)
+
+/* DN Resistor calibration code parameters */
+#define L0_TXPMA_ST_3			0x0b0c
+#define L0_DN_CALIB_CODE		0x3f
+
+/* PMA control parameters */
+#define L0_TXPMD_TM_45			0x0cb4
+#define L0_TXPMD_TM_48			0x0cc0
+#define L0_TXPMD_TM_45_OVER_DP_MAIN	BIT(0)
+#define L0_TXPMD_TM_45_ENABLE_DP_MAIN	BIT(1)
+#define L0_TXPMD_TM_45_OVER_DP_POST1	BIT(2)
+#define L0_TXPMD_TM_45_ENABLE_DP_POST1	BIT(3)
+#define L0_TXPMD_TM_45_OVER_DP_POST2	BIT(4)
+#define L0_TXPMD_TM_45_ENABLE_DP_POST2	BIT(5)
+
+/* PCS control parameters */
+#define L0_TM_DIG_6			0x106c
+#define L0_TM_DIS_DESCRAMBLE_DECODER	0x0f
+#define L0_TX_DIG_61			0x00f4
+#define L0_TM_DISABLE_SCRAMBLE_ENCODER	0x0f
+
+/* PLL Test Mode register parameters */
+#define L0_TM_PLL_DIG_37		0x2094
+#define L0_TM_COARSE_CODE_LIMIT		0x10
+
+/* PLL SSC step size offsets */
+#define L0_PLL_SS_STEPS_0_LSB		0x2368
+#define L0_PLL_SS_STEPS_1_MSB		0x236c
+#define L0_PLL_SS_STEP_SIZE_0_LSB	0x2370
+#define L0_PLL_SS_STEP_SIZE_1		0x2374
+#define L0_PLL_SS_STEP_SIZE_2		0x2378
+#define L0_PLL_SS_STEP_SIZE_3_MSB	0x237c
+#define L0_PLL_STATUS_READ_1		0x23e4
+
+/* SSC step size parameters */
+#define STEP_SIZE_0_MASK		0xff
+#define STEP_SIZE_1_MASK		0xff
+#define STEP_SIZE_2_MASK		0xff
+#define STEP_SIZE_3_MASK		0x3
+#define STEP_SIZE_SHIFT			8
+#define FORCE_STEP_SIZE			0x10
+#define FORCE_STEPS			0x20
+#define STEPS_0_MASK			0xff
+#define STEPS_1_MASK			0x07
+
+/* Reference clock selection parameters */
+#define L0_Ln_REF_CLK_SEL(n)		(0x2860 + (n) * 4)
+#define L0_REF_CLK_SEL_MASK		0x8f
+
+/* Calibration digital logic parameters */
+#define L3_TM_CALIB_DIG19		0xec4c
+#define L3_CALIB_DONE_STATUS		0xef14
+#define L3_TM_CALIB_DIG18		0xec48
+#define L3_TM_CALIB_DIG19_NSW		0x07
+#define L3_TM_CALIB_DIG18_NSW		0xe0
+#define L3_TM_OVERRIDE_NSW_CODE         0x20
+#define L3_CALIB_DONE			0x02
+#define L3_NSW_SHIFT			5
+#define L3_NSW_PIPE_SHIFT		4
+#define L3_NSW_CALIB_SHIFT		3
+
+#define PHY_REG_OFFSET			0x4000
+
+/*
+ * Global Registers
+ */
+
+/* Refclk selection parameters */
+#define PLL_REF_SEL(n)			(0x10000 + (n) * 4)
+#define PLL_FREQ_MASK			0x1f
+#define PLL_STATUS_LOCKED		0x10
+
+/* Inter Connect Matrix parameters */
+#define ICM_CFG0			0x10010
+#define ICM_CFG1			0x10014
+#define ICM_CFG0_L0_MASK		0x07
+#define ICM_CFG0_L1_MASK		0x70
+#define ICM_CFG1_L2_MASK		0x07
+#define ICM_CFG2_L3_MASK		0x70
+#define ICM_CFG_SHIFT			4
+
+/* Inter Connect Matrix allowed protocols */
+#define ICM_PROTOCOL_PD			0x0
+#define ICM_PROTOCOL_PCIE		0x1
+#define ICM_PROTOCOL_SATA		0x2
+#define ICM_PROTOCOL_USB		0x3
+#define ICM_PROTOCOL_DP			0x4
+#define ICM_PROTOCOL_SGMII		0x5
+
+/* Test Mode common reset control  parameters */
+#define TM_CMN_RST			0x10018
+#define TM_CMN_RST_EN			0x1
+#define TM_CMN_RST_SET			0x2
+#define TM_CMN_RST_MASK			0x3
+
+/* Bus width parameters */
+#define TX_PROT_BUS_WIDTH		0x10040
+#define RX_PROT_BUS_WIDTH		0x10044
+#define PROT_BUS_WIDTH_10		0x0
+#define PROT_BUS_WIDTH_20		0x1
+#define PROT_BUS_WIDTH_40		0x2
+#define PROT_BUS_WIDTH_MASK		0x3
+#define PROT_BUS_WIDTH_SHIFT		2
+
+/* Number of GT lanes */
+#define NUM_LANES			4
+
+/* SIOU SATA control register */
+#define SATA_CONTROL_OFFSET		0x0100
+
+/* Total number of controllers */
+#define CONTROLLERS_PER_LANE		5
+
+/* Protocol Type parameters */
+enum {
+	XPSGTR_TYPE_USB0 = 0, /* USB controller 0 */
+	XPSGTR_TYPE_USB1 = 1, /* USB controller 1 */
+	XPSGTR_TYPE_SATA_0 = 2, /* SATA controller lane 0 */
+	XPSGTR_TYPE_SATA_1 = 3, /* SATA controller lane 1 */
+	XPSGTR_TYPE_PCIE_0 = 4, /* PCIe controller lane 0 */
+	XPSGTR_TYPE_PCIE_1 = 5, /* PCIe controller lane 1 */
+	XPSGTR_TYPE_PCIE_2 = 6, /* PCIe controller lane 2 */
+	XPSGTR_TYPE_PCIE_3 = 7, /* PCIe controller lane 3 */
+	XPSGTR_TYPE_DP_0 = 8, /* Display Port controller lane 0 */
+	XPSGTR_TYPE_DP_1 = 9, /* Display Port controller lane 1 */
+	XPSGTR_TYPE_SGMII0 = 10, /* Ethernet SGMII controller 0 */
+	XPSGTR_TYPE_SGMII1 = 11, /* Ethernet SGMII controller 1 */
+	XPSGTR_TYPE_SGMII2 = 12, /* Ethernet SGMII controller 2 */
+	XPSGTR_TYPE_SGMII3 = 13, /* Ethernet SGMII controller 3 */
+};
+
+/* Timeout values */
+#define TIMEOUT_US			1000
+
+#define IOU_SLCR_GEM_CLK_CTRL		0x308
+#define GEM_CTRL_GEM_SGMII_MODE		BIT(2)
+#define GEM_CTRL_GEM_REF_SRC_SEL	BIT(1)
+
+#define IOU_SLCR_GEM_CTRL		0x360
+#define GEM_CTRL_GEM_SGMII_SD		BIT(0)
+
+/**
+ * struct xpsgtr_ssc - structure to hold SSC settings for a lane
+ * @refclk_rate: PLL reference clock frequency
+ * @pll_ref_clk: value to be written to register for corresponding ref clk rate
+ * @steps: number of steps of SSC (Spread Spectrum Clock)
+ * @step_size: step size of each step
+ */
+struct xpsgtr_ssc {
+	u32 refclk_rate;
+	u8  pll_ref_clk;
+	u32 steps;
+	u32 step_size;
+};
+
+/**
+ * struct xpsgtr_phy - representation of a lane
+ * @dev: pointer to the xpsgtr_dev instance
+ * @refclk: reference clock index
+ * @type: controller which uses this lane
+ * @lane: lane number
+ * @protocol: protocol in which the lane operates
+ */
+struct xpsgtr_phy {
+	struct xpsgtr_dev *dev;
+	unsigned int refclk;
+	u8 type;
+	u8 lane;
+	u8 protocol;
+};
+
+/**
+ * struct xpsgtr_dev - representation of a ZynMP GT device
+ * @dev: pointer to device
+ * @serdes: serdes base address
+ * @siou: siou base address
+ * @phys: PHY lanes
+ * @refclk_sscs: spread spectrum settings for the reference clocks
+ * @clk: reference clocks
+ */
+struct xpsgtr_dev {
+	struct udevice *dev;
+	u8 *serdes;
+	u8 *siou;
+	struct xpsgtr_phy phys[NUM_LANES];
+	const struct xpsgtr_ssc *refclk_sscs[NUM_LANES];
+	struct clk clk[NUM_LANES];
+};
+
+/* Configuration Data */
+/* lookup table to hold all settings needed for a ref clock frequency */
+static const struct xpsgtr_ssc ssc_lookup[] = {
+	{  19200000, 0x05,  608, 264020 },
+	{  20000000, 0x06,  634, 243454 },
+	{  24000000, 0x07,  760, 168973 },
+	{  26000000, 0x08,  824, 143860 },
+	{  27000000, 0x09,  856,  86551 },
+	{  38400000, 0x0a, 1218,  65896 },
+	{  40000000, 0x0b,  634, 243454 },
+	{  52000000, 0x0c,  824, 143860 },
+	{ 100000000, 0x0d, 1058,  87533 },
+	{ 108000000, 0x0e,  856,  86551 },
+	{ 125000000, 0x0f,  992, 119497 },
+	{ 135000000, 0x10, 1070,  55393 },
+	{ 150000000, 0x11,  792, 187091 }
+};
+
+/* I/O Accessors */
+static u32 xpsgtr_read(struct xpsgtr_dev *gtr_dev, u32 reg)
+{
+	return readl(gtr_dev->serdes + reg);
+}
+
+static void xpsgtr_write(struct xpsgtr_dev *gtr_dev, u32 reg, u32 value)
+{
+	writel(value, gtr_dev->serdes + reg);
+}
+
+static void xpsgtr_clr_set(struct xpsgtr_dev *gtr_dev, u32 reg,
+			   u32 clr, u32 set)
+{
+	u32 value = xpsgtr_read(gtr_dev, reg);
+
+	value &= ~clr;
+	value |= set;
+	xpsgtr_write(gtr_dev, reg, value);
+}
+
+static u32 xpsgtr_read_phy(struct xpsgtr_phy *gtr_phy, u32 reg)
+{
+	void __iomem *addr = gtr_phy->dev->serdes
+			   + gtr_phy->lane * PHY_REG_OFFSET + reg;
+
+	return readl(addr);
+}
+
+static void xpsgtr_write_phy(struct xpsgtr_phy *gtr_phy,
+			     u32 reg, u32 value)
+{
+	void __iomem *addr = gtr_phy->dev->serdes
+			   + gtr_phy->lane * PHY_REG_OFFSET + reg;
+
+	writel(value, addr);
+}
+
+static void xpsgtr_clr_set_phy(struct xpsgtr_phy *gtr_phy,
+			       u32 reg, u32 clr, u32 set)
+{
+	void __iomem *addr = gtr_phy->dev->serdes
+			   + gtr_phy->lane * PHY_REG_OFFSET + reg;
+
+	writel((readl(addr) & ~clr) | set, addr);
+}
+
+/* Configure PLL and spread-sprectrum clock. */
+static void xpsgtr_configure_pll(struct xpsgtr_phy *gtr_phy)
+{
+	const struct xpsgtr_ssc *ssc;
+	u32 step_size;
+
+	ssc = gtr_phy->dev->refclk_sscs[gtr_phy->refclk];
+	step_size = ssc->step_size;
+
+	xpsgtr_clr_set(gtr_phy->dev, PLL_REF_SEL(gtr_phy->lane),
+		       PLL_FREQ_MASK, ssc->pll_ref_clk);
+
+	/* Enable lane clock sharing, if required */
+	if (gtr_phy->refclk != gtr_phy->lane) {
+		/* Lane3 Ref Clock Selection Register */
+		xpsgtr_clr_set(gtr_phy->dev, L0_Ln_REF_CLK_SEL(gtr_phy->lane),
+			       L0_REF_CLK_SEL_MASK, 1 << gtr_phy->refclk);
+	}
+
+	/* SSC step size [7:0] */
+	xpsgtr_clr_set_phy(gtr_phy, L0_PLL_SS_STEP_SIZE_0_LSB,
+			   STEP_SIZE_0_MASK, step_size & STEP_SIZE_0_MASK);
+
+	/* SSC step size [15:8] */
+	step_size >>= STEP_SIZE_SHIFT;
+	xpsgtr_clr_set_phy(gtr_phy, L0_PLL_SS_STEP_SIZE_1,
+			   STEP_SIZE_1_MASK, step_size & STEP_SIZE_1_MASK);
+
+	/* SSC step size [23:16] */
+	step_size >>= STEP_SIZE_SHIFT;
+	xpsgtr_clr_set_phy(gtr_phy, L0_PLL_SS_STEP_SIZE_2,
+			   STEP_SIZE_2_MASK, step_size & STEP_SIZE_2_MASK);
+
+	/* SSC steps [7:0] */
+	xpsgtr_clr_set_phy(gtr_phy, L0_PLL_SS_STEPS_0_LSB,
+			   STEPS_0_MASK, ssc->steps & STEPS_0_MASK);
+
+	/* SSC steps [10:8] */
+	xpsgtr_clr_set_phy(gtr_phy, L0_PLL_SS_STEPS_1_MSB,
+			   STEPS_1_MASK,
+			   (ssc->steps >> STEP_SIZE_SHIFT) & STEPS_1_MASK);
+
+	/* SSC step size [24:25] */
+	step_size >>= STEP_SIZE_SHIFT;
+	xpsgtr_clr_set_phy(gtr_phy, L0_PLL_SS_STEP_SIZE_3_MSB,
+			   STEP_SIZE_3_MASK, (step_size & STEP_SIZE_3_MASK) |
+			   FORCE_STEP_SIZE | FORCE_STEPS);
+}
+
+/* Configure the lane protocol. */
+static void xpsgtr_lane_set_protocol(struct xpsgtr_phy *gtr_phy)
+{
+	struct xpsgtr_dev *gtr_dev = gtr_phy->dev;
+	u8 protocol = gtr_phy->protocol;
+
+	switch (gtr_phy->lane) {
+	case 0:
+		xpsgtr_clr_set(gtr_dev, ICM_CFG0, ICM_CFG0_L0_MASK, protocol);
+		break;
+	case 1:
+		xpsgtr_clr_set(gtr_dev, ICM_CFG0, ICM_CFG0_L1_MASK,
+			       protocol << ICM_CFG_SHIFT);
+		break;
+	case 2:
+		xpsgtr_clr_set(gtr_dev, ICM_CFG1, ICM_CFG0_L0_MASK, protocol);
+		break;
+	case 3:
+		xpsgtr_clr_set(gtr_dev, ICM_CFG1, ICM_CFG0_L1_MASK,
+			       protocol << ICM_CFG_SHIFT);
+		break;
+	default:
+		/* We already checked 0 <= lane <= 3 */
+		break;
+	}
+}
+
+/* Bypass (de)scrambler and 8b/10b decoder and encoder. */
+static void xpsgtr_bypass_scrambler_8b10b(struct xpsgtr_phy *gtr_phy)
+{
+	xpsgtr_write_phy(gtr_phy, L0_TM_DIG_6, L0_TM_DIS_DESCRAMBLE_DECODER);
+	xpsgtr_write_phy(gtr_phy, L0_TX_DIG_61, L0_TM_DISABLE_SCRAMBLE_ENCODER);
+}
+
+/* SGMII-specific initialization. */
+static void xpsgtr_phy_init_sgmii(struct xpsgtr_phy *gtr_phy)
+{
+	struct xpsgtr_dev *gtr_dev = gtr_phy->dev;
+	u32 shift = gtr_phy->lane * PROT_BUS_WIDTH_SHIFT;
+
+	/* Set SGMII protocol TX and RX bus width to 10 bits. */
+	xpsgtr_clr_set(gtr_dev, TX_PROT_BUS_WIDTH, PROT_BUS_WIDTH_MASK << shift,
+		       PROT_BUS_WIDTH_10 << shift);
+
+	xpsgtr_clr_set(gtr_dev, RX_PROT_BUS_WIDTH, PROT_BUS_WIDTH_MASK << shift,
+		       PROT_BUS_WIDTH_10 << shift);
+
+	xpsgtr_bypass_scrambler_8b10b(gtr_phy);
+
+	/*
+	 * Below code is just temporary solution till we have a way how to
+	 * do it via firmware interface in sync with Linux. Till that happen
+	 * this is the most sensible thing to do here.
+	 */
+	/* GEM I/O Clock Control */
+	clrsetbits_le32(ZYNQMP_IOU_SLCR_BASEADDR + IOU_SLCR_GEM_CLK_CTRL,
+			0xf << shift,
+			(GEM_CTRL_GEM_SGMII_MODE | GEM_CTRL_GEM_REF_SRC_SEL) <<
+			shift);
+
+	/* Setup signal detect */
+	clrsetbits_le32(ZYNQMP_IOU_SLCR_BASEADDR + IOU_SLCR_GEM_CTRL,
+			PROT_BUS_WIDTH_MASK << shift,
+			GEM_CTRL_GEM_SGMII_SD << shift);
+}
+
+static int xpsgtr_init(struct phy *x)
+{
+	struct xpsgtr_dev *gtr_dev = dev_get_priv(x->dev);
+	struct xpsgtr_phy *gtr_phy;
+	u32 phy_lane = x->id;
+
+	gtr_phy = &gtr_dev->phys[phy_lane];
+
+	/* Enable coarse code saturation limiting logic. */
+	xpsgtr_write_phy(gtr_phy, L0_TM_PLL_DIG_37, L0_TM_COARSE_CODE_LIMIT);
+
+	/*
+	 * Configure the PLL, the lane protocol, and perform protocol-specific
+	 * initialization.
+	 */
+	xpsgtr_configure_pll(gtr_phy);
+	xpsgtr_lane_set_protocol(gtr_phy);
+
+	switch (gtr_phy->protocol) {
+	case ICM_PROTOCOL_SGMII:
+		xpsgtr_phy_init_sgmii(gtr_phy);
+		break;
+	case ICM_PROTOCOL_DP:
+	case ICM_PROTOCOL_SATA:
+		return -EINVAL;
+	}
+
+	dev_dbg(gtr_dev->dev, "lane %u (type %u, protocol %u): init done\n",
+		gtr_phy->lane, gtr_phy->type, gtr_phy->protocol);
+
+	return 0;
+}
+
+/* Wait for the PLL to lock (with a timeout). */
+static int xpsgtr_wait_pll_lock(struct phy *phy)
+{
+	struct xpsgtr_dev *gtr_dev = dev_get_priv(phy->dev);
+	struct xpsgtr_phy *gtr_phy;
+	u32 phy_lane = phy->id;
+	int ret = 0;
+	unsigned int timeout = TIMEOUT_US;
+
+	gtr_phy = &gtr_dev->phys[phy_lane];
+
+	dev_dbg(gtr_dev->dev, "Waiting for PLL lock\n");
+
+	while (1) {
+		u32 reg = xpsgtr_read_phy(gtr_phy, L0_PLL_STATUS_READ_1);
+
+		if ((reg & PLL_STATUS_LOCKED) == PLL_STATUS_LOCKED) {
+			ret = 0;
+			break;
+		}
+
+		if (--timeout == 0) {
+			ret = -ETIMEDOUT;
+			break;
+		}
+
+		udelay(1);
+	}
+
+	if (ret == -ETIMEDOUT)
+		dev_err(gtr_dev->dev,
+			"lane %u (type %u, protocol %u): PLL lock timeout\n",
+			gtr_phy->lane, gtr_phy->type, gtr_phy->protocol);
+
+	return ret;
+}
+
+static int xpsgtr_power_on(struct phy *phy)
+{
+	struct xpsgtr_dev *gtr_dev = dev_get_priv(phy->dev);
+	struct xpsgtr_phy *gtr_phy;
+	u32 phy_lane = phy->id;
+	int ret = 0;
+
+	gtr_phy = &gtr_dev->phys[phy_lane];
+
+	/*
+	 * Wait for the PLL to lock. For DP, only wait on DP0 to avoid
+	 * cumulating waits for both lanes. The user is expected to initialize
+	 * lane 0 last.
+	 */
+	if (gtr_phy->protocol != ICM_PROTOCOL_DP ||
+	    gtr_phy->type == XPSGTR_TYPE_DP_0)
+		ret = xpsgtr_wait_pll_lock(phy);
+
+	return ret;
+}
+
+/*
+ * OF Xlate Support
+ */
+
+/* Set the lane type and protocol based on the PHY type and instance number. */
+static int xpsgtr_set_lane_type(struct xpsgtr_phy *gtr_phy, u8 phy_type,
+				unsigned int phy_instance)
+{
+	unsigned int num_phy_types;
+	const int *phy_types;
+
+	switch (phy_type) {
+	case PHY_TYPE_SATA: {
+		static const int types[] = {
+			XPSGTR_TYPE_SATA_0,
+			XPSGTR_TYPE_SATA_1,
+		};
+
+		phy_types = types;
+		num_phy_types = ARRAY_SIZE(types);
+		gtr_phy->protocol = ICM_PROTOCOL_SATA;
+		break;
+	}
+	case PHY_TYPE_USB3: {
+		static const int types[] = {
+			XPSGTR_TYPE_USB0,
+			XPSGTR_TYPE_USB1,
+		};
+
+		phy_types = types;
+		num_phy_types = ARRAY_SIZE(types);
+		gtr_phy->protocol = ICM_PROTOCOL_USB;
+		break;
+	}
+	case PHY_TYPE_DP: {
+		static const int types[] = {
+			XPSGTR_TYPE_DP_0,
+			XPSGTR_TYPE_DP_1,
+		};
+
+		phy_types = types;
+		num_phy_types = ARRAY_SIZE(types);
+		gtr_phy->protocol = ICM_PROTOCOL_DP;
+		break;
+	}
+	case PHY_TYPE_PCIE: {
+		static const int types[] = {
+			XPSGTR_TYPE_PCIE_0,
+			XPSGTR_TYPE_PCIE_1,
+			XPSGTR_TYPE_PCIE_2,
+			XPSGTR_TYPE_PCIE_3,
+		};
+
+		phy_types = types;
+		num_phy_types = ARRAY_SIZE(types);
+		gtr_phy->protocol = ICM_PROTOCOL_PCIE;
+		break;
+	}
+	case PHY_TYPE_SGMII: {
+		static const int types[] = {
+			XPSGTR_TYPE_SGMII0,
+			XPSGTR_TYPE_SGMII1,
+			XPSGTR_TYPE_SGMII2,
+			XPSGTR_TYPE_SGMII3,
+		};
+
+		phy_types = types;
+		num_phy_types = ARRAY_SIZE(types);
+		gtr_phy->protocol = ICM_PROTOCOL_SGMII;
+		break;
+	}
+	default:
+		return -EINVAL;
+	}
+
+	if (phy_instance >= num_phy_types)
+		return -EINVAL;
+
+	gtr_phy->type = phy_types[phy_instance];
+	return 0;
+}
+
+/*
+ * Valid combinations of controllers and lanes (Interconnect Matrix).
+ */
+static const unsigned int icm_matrix[NUM_LANES][CONTROLLERS_PER_LANE] = {
+	{ XPSGTR_TYPE_PCIE_0, XPSGTR_TYPE_SATA_0, XPSGTR_TYPE_USB0,
+		XPSGTR_TYPE_DP_1, XPSGTR_TYPE_SGMII0 },
+	{ XPSGTR_TYPE_PCIE_1, XPSGTR_TYPE_SATA_1, XPSGTR_TYPE_USB0,
+		XPSGTR_TYPE_DP_0, XPSGTR_TYPE_SGMII1 },
+	{ XPSGTR_TYPE_PCIE_2, XPSGTR_TYPE_SATA_0, XPSGTR_TYPE_USB0,
+		XPSGTR_TYPE_DP_1, XPSGTR_TYPE_SGMII2 },
+	{ XPSGTR_TYPE_PCIE_3, XPSGTR_TYPE_SATA_1, XPSGTR_TYPE_USB1,
+		XPSGTR_TYPE_DP_0, XPSGTR_TYPE_SGMII3 }
+};
+
+/* Translate OF phandle and args to PHY instance. */
+static int xpsgtr_of_xlate(struct phy *x,
+			   struct ofnode_phandle_args *args)
+{
+	struct xpsgtr_dev *gtr_dev = dev_get_priv(x->dev);
+	struct xpsgtr_phy *gtr_phy;
+	struct udevice *dev = x->dev;
+	unsigned int phy_instance;
+	unsigned int phy_lane;
+	unsigned int phy_type;
+	unsigned int refclk;
+	unsigned int i;
+	int ret;
+
+	if (args->args_count != 4) {
+		dev_err(dev, "Invalid number of cells in 'phy' property\n");
+		return -EINVAL;
+	}
+
+	/*
+	 * Get the PHY parameters from the OF arguments and derive the lane
+	 * type.
+	 */
+	phy_lane = args->args[0];
+	if (phy_lane >= NUM_LANES) {
+		dev_err(dev, "Invalid lane number %u\n", phy_lane);
+		return -EINVAL;
+	}
+
+	gtr_phy = &gtr_dev->phys[phy_lane];
+	phy_type = args->args[1];
+	phy_instance = args->args[2];
+
+	ret = xpsgtr_set_lane_type(gtr_phy, phy_type, phy_instance);
+	if (ret) {
+		dev_err(dev, "Invalid PHY type and/or instance\n");
+		return ret;
+	}
+
+	refclk = args->args[3];
+	if (refclk >= ARRAY_SIZE(gtr_dev->refclk_sscs) ||
+	    !gtr_dev->refclk_sscs[refclk]) {
+		dev_err(dev, "Invalid reference clock number %u\n", refclk);
+		return -EINVAL;
+	}
+
+	gtr_phy->refclk = refclk;
+
+	/* This is difference compare to Linux */
+	gtr_phy->dev = gtr_dev;
+	gtr_phy->lane = phy_lane;
+
+	/*
+	 * Ensure that the Interconnect Matrix is obeyed, i.e a given lane type
+	 * is allowed to operate on the lane.
+	 */
+	for (i = 0; i < CONTROLLERS_PER_LANE; i++) {
+		if (icm_matrix[phy_lane][i] == gtr_phy->type) {
+			x->id = phy_lane;
+			return 0;
+		}
+	}
+
+	return -EINVAL;
+}
+
+/*
+ * Probe & Platform Driver
+ */
+static int xpsgtr_get_ref_clocks(struct udevice *dev)
+{
+	unsigned int refclk;
+	struct xpsgtr_dev *gtr_dev = dev_get_priv(dev);
+	int ret;
+
+	for (refclk = 0; refclk < NUM_LANES; ++refclk) {
+		int i;
+		u32 rate;
+		char name[8];
+		struct clk *clk = &gtr_dev->clk[refclk];
+
+		snprintf(name, sizeof(name), "ref%u", refclk);
+		dev_dbg(dev, "Checking name: %s\n", name);
+		ret = clk_get_by_name(dev, name, clk);
+		if (ret == -ENODATA) {
+			dev_dbg(dev, "%s clock not specified (err %d)\n",
+				name, ret);
+			continue;
+		} else if (ret) {
+			dev_dbg(dev, "couldn't get clock %s (err %d)\n",
+				name, ret);
+			return ret;
+		}
+
+		rate = clk_get_rate(clk);
+
+		dev_dbg(dev, "clk rate %d\n", rate);
+
+		ret = clk_enable(clk);
+		if (ret) {
+			dev_err(dev, "failed to enable refclk %d clock\n",
+				refclk);
+			return ret;
+		}
+
+		for (i = 0 ; i < ARRAY_SIZE(ssc_lookup); i++) {
+			if (rate == ssc_lookup[i].refclk_rate) {
+				gtr_dev->refclk_sscs[refclk] = &ssc_lookup[i];
+				dev_dbg(dev, "Found rate %d\n", i);
+				break;
+			}
+		}
+
+		if (i == ARRAY_SIZE(ssc_lookup)) {
+			dev_err(dev,
+				"Invalid rate %u for reference clock %u\n",
+				rate, refclk);
+			return -EINVAL;
+		}
+	}
+
+	return 0;
+}
+
+static int xpsgtr_probe(struct udevice *dev)
+{
+	struct xpsgtr_dev *gtr_dev = dev_get_priv(dev);
+
+	gtr_dev->serdes = dev_remap_addr_name(dev, "serdes");
+	if (!gtr_dev->serdes)
+		return -EINVAL;
+
+	gtr_dev->siou = dev_remap_addr_name(dev, "siou");
+	if (!gtr_dev->siou)
+		return -EINVAL;
+
+	gtr_dev->dev = dev;
+
+	return xpsgtr_get_ref_clocks(dev);
+}
+
+static const struct udevice_id xpsgtr_phy_ids[] = {
+	{ .compatible = "xlnx,zynqmp-psgtr-v1.1", },
+	{ }
+};
+
+static const struct phy_ops xpsgtr_phy_ops = {
+	.init = xpsgtr_init,
+	.of_xlate = xpsgtr_of_xlate,
+	.power_on = xpsgtr_power_on,
+};
+
+U_BOOT_DRIVER(psgtr_phy) = {
+	.name = "psgtr_phy",
+	.id = UCLASS_PHY,
+	.of_match = xpsgtr_phy_ids,
+	.ops = &xpsgtr_phy_ops,
+	.probe = xpsgtr_probe,
+	.priv_auto = sizeof(struct xpsgtr_dev),
+};
diff --git a/drivers/serial/serial_zynq.c b/drivers/serial/serial_zynq.c
index 2f49f59..fd99936 100644
--- a/drivers/serial/serial_zynq.c
+++ b/drivers/serial/serial_zynq.c
@@ -272,6 +272,7 @@ static const struct udevice_id zynq_serial_ids[] = {
 	{ .compatible = "xlnx,xuartps" },
 	{ .compatible = "cdns,uart-r1p8" },
 	{ .compatible = "cdns,uart-r1p12" },
+	{ .compatible = "xlnx,zynqmp-uart" },
 	{ }
 };
 
diff --git a/drivers/sysreset/sysreset_microblaze.c b/drivers/sysreset/sysreset_microblaze.c
index 514c958..83a7f77 100644
--- a/drivers/sysreset/sysreset_microblaze.c
+++ b/drivers/sysreset/sysreset_microblaze.c
@@ -8,13 +8,15 @@
 #include <errno.h>
 #include <sysreset.h>
 #include <linux/err.h>
+#include <linux/stringify.h>
 
 static int microblaze_sysreset_request(struct udevice *dev,
 				       enum sysreset_t type)
 {
 	puts("Microblaze soft reset sysreset\n");
-	__asm__ __volatile__ ("	mts rmsr, r0;" \
-				"bra r0");
+	__asm__ __volatile__ (
+	    "mts rmsr, r0;" \
+	    "brai " __stringify(CONFIG_XILINX_MICROBLAZE0_VECTOR_BASE_ADDR));
 
 	return -EINPROGRESS;
 }
diff --git a/include/configs/microblaze-generic.h b/include/configs/microblaze-generic.h
index e7882fb..28f67e3 100644
--- a/include/configs/microblaze-generic.h
+++ b/include/configs/microblaze-generic.h
@@ -21,9 +21,6 @@
 # define CONFIG_SYS_BAUDRATE_TABLE \
 	{300, 600, 1200, 2400, 4800, 9600, 19200, 38400, 57600, 115200, 230400}
 
-/* setting reset address */
-/*#define	CONFIG_SYS_RESET_ADDRESS	CONFIG_SYS_TEXT_BASE*/
-
 /* Stack location before relocation */
 #define CONFIG_SYS_INIT_SP_OFFSET	(CONFIG_SYS_TEXT_BASE - \
 					 CONFIG_SYS_MALLOC_F_LEN)
@@ -57,8 +54,6 @@
 #define	CONFIG_HOSTNAME		"microblaze-generic"
 
 /* architecture dependent code */
-#define	CONFIG_SYS_USR_EXCEP	/* user exception */
-
 #if defined(CONFIG_CMD_PXE) && defined(CONFIG_CMD_DHCP)
 #define BOOT_TARGET_DEVICES_PXE(func)	func(PXE, pxe, na)
 #else
diff --git a/include/dt-bindings/power/xlnx-versal-power.h b/include/dt-bindings/power/xlnx-versal-power.h
index 1b75175..4a72775 100644
--- a/include/dt-bindings/power/xlnx-versal-power.h
+++ b/include/dt-bindings/power/xlnx-versal-power.h
@@ -1,6 +1,6 @@
 /* SPDX-License-Identifier: GPL-2.0 */
 /*
- *  Copyright (C) 2019 - 2020 Xilinx, Inc.
+ *  Copyright (C) 2019 - 2021 Xilinx, Inc.
  */
 
 #ifndef _DT_BINDINGS_VERSAL_POWER_H
@@ -26,6 +26,7 @@
 #define PM_DEV_OSPI				(0x1822402aU)
 #define PM_DEV_QSPI				(0x1822402bU)
 #define PM_DEV_GPIO_PMC				(0x1822402cU)
+#define PM_DEV_I2C_PMC				(0x1822402dU)
 #define PM_DEV_SDIO_0				(0x1822402eU)
 #define PM_DEV_SDIO_1				(0x1822402fU)
 #define PM_DEV_RTC				(0x18224034U)
diff --git a/net/Kconfig b/net/Kconfig
index 7a2d145..cabe93c 100644
--- a/net/Kconfig
+++ b/net/Kconfig
@@ -27,10 +27,11 @@ config BOOTP_SEND_HOSTNAME
 config NET_RANDOM_ETHADDR
 	bool "Random ethaddr if unset"
 	help
-	  Selecting this will allow the Ethernet interface to function
-	  even when the ethaddr variable for that interface is unset.
-	  A new MAC address will be generated on every boot and it will
-	  not be added to the environment.
+	  Selecting this will allow the Ethernet interface to function even
+	  when the ethaddr variable for that interface is unset.  In this case,
+	  a random MAC address in the locally administered address space is
+	  generated. It will be saved to the appropriate environment variable,
+	  too.
 
 config NETCONSOLE
 	bool "NetConsole support"
diff --git a/net/eth-uclass.c b/net/eth-uclass.c
index 0da0e85..58c308f 100644
--- a/net/eth-uclass.c
+++ b/net/eth-uclass.c
@@ -583,6 +583,8 @@ static int eth_post_probe(struct udevice *dev)
 		net_random_ethaddr(pdata->enetaddr);
 		printf("\nWarning: %s (eth%d) using random MAC address - %pM\n",
 		       dev->name, dev_seq(dev), pdata->enetaddr);
+		eth_env_set_enetaddr_by_index("eth", dev_seq(dev),
+					      pdata->enetaddr);
 #else
 		printf("\nError: %s address not set.\n",
 		       dev->name);
diff --git a/net/eth_legacy.c b/net/eth_legacy.c
index f383ccc..0b282d9 100644
--- a/net/eth_legacy.c
+++ b/net/eth_legacy.c
@@ -164,6 +164,8 @@ int eth_write_hwaddr(struct eth_device *dev, const char *base_name,
 		net_random_ethaddr(dev->enetaddr);
 		printf("\nWarning: %s (eth%d) using random MAC address - %pM\n",
 		       dev->name, eth_number, dev->enetaddr);
+		eth_env_set_enetaddr_by_index("eth", eth_number,
+					      dev->enetaddr);
 #else
 		printf("\nError: %s address not set.\n",
 		       dev->name);
diff --git a/scripts/config_whitelist.txt b/scripts/config_whitelist.txt
index 79f03d1..f67f6eb 100644
--- a/scripts/config_whitelist.txt
+++ b/scripts/config_whitelist.txt
@@ -2015,7 +2015,6 @@ CONFIG_SYS_USE_MMC
 CONFIG_SYS_USE_NAND
 CONFIG_SYS_USE_NANDFLASH
 CONFIG_SYS_USE_NORFLASH
-CONFIG_SYS_USR_EXCEP
 CONFIG_SYS_VCXK_ACKNOWLEDGE_DDR
 CONFIG_SYS_VCXK_ACKNOWLEDGE_PIN
 CONFIG_SYS_VCXK_ACKNOWLEDGE_PORT