Merge branch '2020-08-24-misc-improvements'

- Squashfs compression support
- Coverity fixes
- XEN guest updates
- Finish previous MediaTek updates
- Arm Total Compute platform support

42 files changed, 838 insertions, 176 deletions

diff --git a/MAINTAINERS b/MAINTAINERS
index 17ac455..bebe87b 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -1097,6 +1097,22 @@ T:	git https://gitlab.denx.de/u-boot/custodians/u-boot-x86.git
 F:	arch/x86/
 F:	cmd/x86/
 
+XEN
+M:	Anastasiia Lukianenko <anastasiia_lukianenko@epam.com>
+M:	Oleksandr Andrushchenko <oleksandr_andrushchenko@epam.com>
+S:	Maintained
+F:	arch/arm/cpu/armv8/xen/
+F:	arch/arm/include/asm/xen.h
+F:	arch/arm/include/asm/xen/
+F:	cmd/pvblock.c
+F:	drivers/serial/serial_xen.c
+F:	drivers/xen/
+F:	include/pvblock.h
+F:	include/xen/
+F:	include/xen.h
+F:	lib/sscanf.c
+F:	test/lib/sscanf.c
+
 XTENSA
 M:	Max Filippov <jcmvbkbc@gmail.com>
 S:	Maintained
diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig
index 9b8dadc..c5ebd59 100644
--- a/arch/arm/Kconfig
+++ b/arch/arm/Kconfig
@@ -1198,6 +1198,15 @@ config TARGET_VEXPRESS64_JUNO
 	select USB
 	select DM_USB
 
+config TARGET_TOTAL_COMPUTE
+	bool "Support Total Compute Platform"
+	select ARM64
+	select PL01X_SERIAL
+	select DM
+	select DM_SERIAL
+	select DM_MMC
+	select DM_GPIO
+
 config TARGET_LS2080A_EMU
 	bool "Support ls2080a_emu"
 	select ARCH_LS2080A
@@ -1904,6 +1913,8 @@ source "arch/arm/mach-imx/Kconfig"
 
 source "arch/arm/mach-nexell/Kconfig"
 
+source "board/armltd/total_compute/Kconfig"
+
 source "board/bosch/shc/Kconfig"
 source "board/bosch/guardian/Kconfig"
 source "board/CarMediaLab/flea3/Kconfig"
diff --git a/arch/arm/dts/Makefile b/arch/arm/dts/Makefile
index b2b5360..f8f5294 100644
--- a/arch/arm/dts/Makefile
+++ b/arch/arm/dts/Makefile
@@ -962,7 +962,7 @@ dtb-$(CONFIG_SOC_K3_J721E) += k3-j721e-common-proc-board.dtb \
 dtb-$(CONFIG_ARCH_MEDIATEK) += \
 	mt7622-rfb.dtb \
 	mt7623a-unielec-u7623-02-emmc.dtb \
-	mt7622-bpi-r64.dtb \
+	mt7622-bananapi-bpi-r64.dtb \
 	mt7623n-bananapi-bpi-r2.dtb \
 	mt7629-rfb.dtb \
 	mt8512-bm1-emmc.dtb \
@@ -981,6 +981,8 @@ dtb-$(CONFIG_TARGET_VEXPRESS_CA5X2) += vexpress-v2p-ca5s.dtb
 dtb-$(CONFIG_TARGET_VEXPRESS_CA9X4) += vexpress-v2p-ca9.dtb
 dtb-$(CONFIG_TARGET_VEXPRESS_CA15_TC2) += vexpress-v2p-ca15_a7.dtb
 
+dtb-$(CONFIG_TARGET_TOTAL_COMPUTE) += total_compute.dtb
+
 dtb-$(CONFIG_TARGET_DURIAN) += phytium-durian.dtb
 
 dtb-$(CONFIG_TARGET_PRESIDIO_ASIC) += ca-presidio-engboard.dtb
diff --git a/arch/arm/dts/mt7622-bpi-r64.dts b/arch/arm/dts/mt7622-bananapi-bpi-r64.dts
index 51287ce..4f2f048 100644
--- a/arch/arm/dts/mt7622-bpi-r64.dts
+++ b/arch/arm/dts/mt7622-bananapi-bpi-r64.dts
@@ -244,3 +244,11 @@
 		output-low;
 	};
 };
+
+&ssusb {
+	status = "okay";
+};
+
+&u3phy {
+	status = "okay";
+};
diff --git a/arch/arm/dts/mt7622-rfb.dts b/arch/arm/dts/mt7622-rfb.dts
index 317fc78..ef7d0f0 100644
--- a/arch/arm/dts/mt7622-rfb.dts
+++ b/arch/arm/dts/mt7622-rfb.dts
@@ -222,3 +222,11 @@
 		full-duplex;
 	};
 };
+
+&ssusb {
+	status = "okay";
+};
+
+&u3phy {
+       status = "okay";
+};
diff --git a/arch/arm/dts/mt7622.dtsi b/arch/arm/dts/mt7622.dtsi
index c43ad65..d888545 100644
--- a/arch/arm/dts/mt7622.dtsi
+++ b/arch/arm/dts/mt7622.dtsi
@@ -192,6 +192,14 @@
 		status = "disabled";
 	};
 
+	ssusbsys: ssusbsys@1a000000 {
+		compatible = "mediatek,mt7622-ssusbsys",
+			     "syscon";
+		reg = <0x1a000000 0x1000>;
+		#clock-cells = <1>;
+		#reset-cells = <1>;
+	};
+
 	pciesys: pciesys@1a100800 {
 		compatible = "mediatek,mt7622-pciesys", "syscon";
 		reg = <0x1a100800 0x1000>;
@@ -302,6 +310,54 @@
 		};
 	};
 
+	ssusb: usb@1a0c0000 {
+		compatible = "mediatek,mt7622-xhci",
+			     "mediatek,mtk-xhci";
+		reg = <0x1a0c0000 0x01000>,
+		      <0x1a0c4700 0x0100>;
+		reg-names = "mac", "ippc";
+		interrupts = <GIC_SPI 232 IRQ_TYPE_LEVEL_LOW>;
+		power-domains = <&scpsys MT7629_POWER_DOMAIN_HIF1>;
+		clocks = <&ssusbsys CLK_SSUSB_SYS_EN>,
+			 <&ssusbsys CLK_SSUSB_REF_EN>,
+			 <&ssusbsys CLK_SSUSB_MCU_EN>,
+			 <&ssusbsys CLK_SSUSB_DMA_EN>;
+		clock-names = "sys_ck", "ref_ck", "mcu_ck", "dma_ck";
+		phys = <&u2port0 PHY_TYPE_USB2>,
+		       <&u3port0 PHY_TYPE_USB3>,
+		       <&u2port1 PHY_TYPE_USB2>;
+		status = "disabled";
+	};
+
+	u3phy: usb-phy@1a0c4000 {
+		compatible = "mediatek,mt7622-u3phy",
+			     "mediatek,generic-tphy-v1";
+		reg = <0x1a0c4000 0x700>;
+		#address-cells = <1>;
+		#size-cells = <1>;
+		ranges;
+		status = "disabled";
+
+		u2port0: usb-phy@1a0c4800 {
+			reg = <0x1a0c4800 0x0100>;
+			#phy-cells = <1>;
+			clocks = <&ssusbsys CLK_SSUSB_U2_PHY_EN>;
+			clock-names = "ref";
+		};
+
+		u3port0: usb-phy@1a0c4900 {
+			reg = <0x1a0c4900 0x0700>;
+			#phy-cells = <1>;
+		};
+
+		u2port1: usb-phy@1a0c5000 {
+			reg = <0x1a0c5000 0x0100>;
+			#phy-cells = <1>;
+			clocks = <&ssusbsys CLK_SSUSB_U2_PHY_1P_EN>;
+			clock-names = "ref";
+		};
+	};
+
 	ethsys: syscon@1b000000 {
 		compatible = "mediatek,mt7622-ethsys", "syscon";
 		reg = <0x1b000000 0x1000>;
diff --git a/arch/arm/dts/mt7623.dtsi b/arch/arm/dts/mt7623.dtsi
index 0452889..b5a8025 100644
--- a/arch/arm/dts/mt7623.dtsi
+++ b/arch/arm/dts/mt7623.dtsi
@@ -352,6 +352,52 @@
 		};
 	};
 
+	usb1: usb@1a1c0000 {
+		compatible = "mediatek,mt7623-xhci", "mediatek,mtk-xhci";
+		reg = <0x1a1c0000 0x1000>, <0x1a1c4700 0x0100>;
+		reg-names = "mac", "ippc";
+		power-domains = <&scpsys MT7623_POWER_DOMAIN_HIF>;
+		clocks = <&hifsys CLK_HIFSYS_USB0PHY>, <&topckgen CLK_TOP_ETHIF_SEL>;
+		clock-names = "sys_ck", "ref_ck";
+		phys = <&u2port0 PHY_TYPE_USB2>, <&u3port0 PHY_TYPE_USB3>;
+		status = "disabled";
+	};
+
+	u3phy1: usb-phy@1a1c4000 {
+		compatible = "mediatek,mt7623-tphy", "mediatek,generic-tphy-v1";
+
+		reg = <0x1a1c4000 0x0700>;
+		#address-cells = <1>;
+		#size-cells = <1>;
+		ranges;
+		status = "disabled";
+
+		u2port0: usb-phy@1a1c4800 {
+			reg = <0x1a1c4800 0x0100>;
+			#phy-cells = <1>;
+			clocks = <&topckgen CLK_TOP_USB_PHY48M>;
+			clock-names = "ref";
+		};
+
+		u3port0: usb-phy@1a1c4900 {
+			reg = <0x1a1c4900 0x0700>;
+			#phy-cells = <1>;
+			clocks = <&clk26m>;
+			clock-names = "ref";
+		};
+	};
+
+	usb2: usb@1a240000 {
+		compatible = "mediatek,mt7623-xhci", "mediatek,mtk-xhci";
+		reg = <0x1a240000 0x1000>, <0x1a244700 0x0100>;
+		reg-names = "mac", "ippc";
+		power-domains = <&scpsys MT7623_POWER_DOMAIN_HIF>;
+		clocks = <&hifsys CLK_HIFSYS_USB1PHY>, <&topckgen CLK_TOP_ETHIF_SEL>;
+		clock-names = "sys_ck", "ref_ck";
+		phys = <&u2port1 PHY_TYPE_USB2>, <&u3port1 PHY_TYPE_USB3>;
+		status = "disabled";
+	};
+
 	u3phy2: usb-phy@1a244000 {
 		compatible = "mediatek,generic-tphy-v1";
 		reg = <0x1a244000 0x0700>;
diff --git a/arch/arm/dts/mt7623n-bananapi-bpi-r2.dts b/arch/arm/dts/mt7623n-bananapi-bpi-r2.dts
index bcedcf2..ef07369 100644
--- a/arch/arm/dts/mt7623n-bananapi-bpi-r2.dts
+++ b/arch/arm/dts/mt7623n-bananapi-bpi-r2.dts
@@ -248,3 +248,19 @@
 	pinctrl-0 = <&uart2_pins_a>;
 	status = "okay";
 };
+
+&usb1 {
+	status = "okay";
+};
+
+&u3phy1 {
+	status = "okay";
+};
+
+&usb2 {
+	status = "okay";
+};
+
+&u3phy2 {
+	status = "okay";
+};
diff --git a/arch/arm/dts/total_compute.dts b/arch/arm/dts/total_compute.dts
new file mode 100644
index 0000000..4399269
--- /dev/null
+++ b/arch/arm/dts/total_compute.dts
@@ -0,0 +1,48 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * (C) Copyright 2020 Arm Limited
+ */
+
+/dts-v1/;
+
+/ {
+	model = "total_compute";
+	compatible = "arm,total_compute";
+	#address-cells = <2>;
+	#size-cells = <2>;
+
+	sysreg: sysreg@1c010000 {
+		compatible = "arm,vexpress-sysreg";
+		reg = <0x0 0x001c010000 0x0 0x1000>;
+		gpio-controller;
+		#gpio-cells = <2>;
+	};
+
+	fixed_3v3: v2m-3v3 {
+		compatible = "regulator-fixed";
+		regulator-name = "3V3";
+		regulator-min-microvolt = <3300000>;
+		regulator-max-microvolt = <3300000>;
+		regulator-always-on;
+	};
+
+	mmci@1c050000 {
+		compatible = "arm,pl180", "arm,primecell";
+		reg = <0x0 0x001c050000 0x0 0x1000>;
+		cd-gpios = <&sysreg 0 0>;
+		arm,primecell-periphid = <0x00880180>;
+		wp-gpios = <&sysreg 1 0>;
+		bus-width = <8>;
+		max-frequency = <12000000>;
+		vmmc-supply = <&fixed_3v3>;
+		clocks = <&clock24mhz>, <&clock24mhz>;
+		clock-names = "mclk", "apb_pclk";
+	};
+
+	clock24mhz: clock24mhz {
+		compatible = "fixed-clock";
+		#clock-cells = <0>;
+		clock-frequency = <24000000>;
+		clock-output-names = "bp:clock24mhz";
+	};
+};
diff --git a/arch/arm/include/asm/gpio.h b/arch/arm/include/asm/gpio.h
index 7dc87af..6ecb876 100644
--- a/arch/arm/include/asm/gpio.h
+++ b/arch/arm/include/asm/gpio.h
@@ -3,7 +3,7 @@
 	!defined(CONFIG_ARCH_BCM6858) && !defined(CONFIG_ARCH_BCM63158) && \
 	!defined(CONFIG_ARCH_ROCKCHIP) && !defined(CONFIG_ARCH_ASPEED) && \
 	!defined(CONFIG_ARCH_U8500) && !defined(CONFIG_CORTINA_PLATFORM) && \
-	!defined(CONFIG_TARGET_BCMNS3)
+	!defined(CONFIG_TARGET_BCMNS3) && !defined(CONFIG_TARGET_TOTAL_COMPUTE)
 #include <asm/arch/gpio.h>
 #endif
 #include <asm-generic/gpio.h>
diff --git a/board/armltd/total_compute/Kconfig b/board/armltd/total_compute/Kconfig
new file mode 100644
index 0000000..62e6e6f
--- /dev/null
+++ b/board/armltd/total_compute/Kconfig
@@ -0,0 +1,12 @@
+if TARGET_TOTAL_COMPUTE
+
+config SYS_BOARD
+	default "total_compute"
+
+config SYS_VENDOR
+	default "armltd"
+
+config SYS_CONFIG_NAME
+	default "total_compute"
+
+endif
diff --git a/board/armltd/total_compute/MAINTAINERS b/board/armltd/total_compute/MAINTAINERS
new file mode 100644
index 0000000..3dc1cd1
--- /dev/null
+++ b/board/armltd/total_compute/MAINTAINERS
@@ -0,0 +1,7 @@
+TOTAL_COMPUTE BOARD
+M:	Usama Arif <usama.arif@arm.com>
+S:	Maintained
+F:	board/armltd/total_compute/
+F:	include/configs/total_compute.h
+F:	configs/total_compute_defconfig
+F:	arch/arm/dts/total_compute.dts
diff --git a/board/armltd/total_compute/Makefile b/board/armltd/total_compute/Makefile
new file mode 100644
index 0000000..8b10458
--- /dev/null
+++ b/board/armltd/total_compute/Makefile
@@ -0,0 +1,6 @@
+# SPDX-License-Identifier: GPL-2.0+
+#
+# (C) Copyright 2020 Arm Limited
+# Usama Arif <usama.arif@arm.com>
+
+obj-y	:= total_compute.o
diff --git a/board/armltd/total_compute/total_compute.c b/board/armltd/total_compute/total_compute.c
new file mode 100644
index 0000000..0be6435
--- /dev/null
+++ b/board/armltd/total_compute/total_compute.c
@@ -0,0 +1,67 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * (C) Copyright 2020 Arm Limited
+ * Usama Arif <usama.arif@arm.com>
+ */
+
+#include <common.h>
+#include <dm.h>
+#include <dm/platform_data/serial_pl01x.h>
+#include <asm/armv8/mmu.h>
+
+static const struct pl01x_serial_platdata serial_platdata = {
+	.base = UART0_BASE,
+	.type = TYPE_PL011,
+	.clock = CONFIG_PL011_CLOCK,
+};
+
+U_BOOT_DEVICE(total_compute_serials) = {
+	.name = "serial_pl01x",
+	.platdata = &serial_platdata,
+};
+
+static struct mm_region total_compute_mem_map[] = {
+	{
+		.virt = 0x0UL,
+		.phys = 0x0UL,
+		.size = 0x80000000UL,
+		.attrs = PTE_BLOCK_MEMTYPE(MT_DEVICE_NGNRNE) |
+			 PTE_BLOCK_NON_SHARE |
+			 PTE_BLOCK_PXN | PTE_BLOCK_UXN
+	}, {
+		.virt = 0x80000000UL,
+		.phys = 0x80000000UL,
+		.size = 0xff80000000UL,
+		.attrs = PTE_BLOCK_MEMTYPE(MT_NORMAL) |
+			 PTE_BLOCK_INNER_SHARE
+	}, {
+		/* List terminator */
+		0,
+	}
+};
+
+struct mm_region *mem_map = total_compute_mem_map;
+
+int board_init(void)
+{
+	return 0;
+}
+
+int dram_init(void)
+{
+	gd->ram_size = PHYS_SDRAM_1_SIZE;
+	return 0;
+}
+
+int dram_init_banksize(void)
+{
+	gd->bd->bi_dram[0].start = PHYS_SDRAM_1;
+	gd->bd->bi_dram[0].size = PHYS_SDRAM_1_SIZE;
+
+	return 0;
+}
+
+/* Nothing to be done here as handled by PSCI interface */
+void reset_cpu(ulong addr)
+{
+}
diff --git a/board/xen/xenguest_arm64/MAINTAINERS b/board/xen/xenguest_arm64/MAINTAINERS
index 787e9e0..264920e 100644
--- a/board/xen/xenguest_arm64/MAINTAINERS
+++ b/board/xen/xenguest_arm64/MAINTAINERS
@@ -1,5 +1,6 @@
 XEN GUEST FOR ARM64
-M:	Andrii Anisov <andrii_anisov@epam.com>
+M:	Anastasiia Lukianenko <anastasiia_lukianenko@epam.com>
+M:	Oleksandr Andrushchenko <oleksandr_andrushchenko@epam.com>
 S:	Maintained
 F:	board/xen/xenguest_arm64/
 F:	doc/board/xen/
diff --git a/board/xen/xenguest_arm64/xenguest_arm64.c b/board/xen/xenguest_arm64/xenguest_arm64.c
index cce5436..4660f3f 100644
--- a/board/xen/xenguest_arm64/xenguest_arm64.c
+++ b/board/xen/xenguest_arm64/xenguest_arm64.c
@@ -184,11 +184,6 @@ int ft_board_setup(void *blob, struct bd_info *bd)
 	return 0;
 }
 
-int board_early_init_f(void)
-{
-	return 0;
-}
-
 int print_cpuinfo(void)
 {
 	printf("Xen virtual CPU\n");
diff --git a/cmd/clone.c b/cmd/clone.c
index 97747f8..32473a0 100644
--- a/cmd/clone.c
+++ b/cmd/clone.c
@@ -38,7 +38,7 @@ static int do_clone(struct cmd_tbl *cmdtp, int flag, int argc, char * const argv
 	srcbz = srcdesc->blksz;
 	destbz = destdesc->blksz;
 
-	if ((srcbz * (buffersize / srcbz) != buffersize) &&
+	if ((srcbz * (buffersize / srcbz) != buffersize) ||
 	    (destbz * (buffersize / destbz) != buffersize)) {
 		printf("failed: cannot match device block sizes\n");
 		return 1;
@@ -55,10 +55,12 @@ static int do_clone(struct cmd_tbl *cmdtp, int flag, int argc, char * const argv
 		switch (unit[0]) {
 		case 'g':
 		case 'G':
-			requested *= 1024;
+			requested *= 1024 * 1024 * 1024;
+			break;
 		case 'm':
 		case 'M':
-			requested *= 1024;
+			requested *= 1024 * 1024;
+			break;
 		case 'k':
 		case 'K':
 			requested *= 1024;
diff --git a/common/Kconfig b/common/Kconfig
index 8f61aa7..c58f08b 100644
--- a/common/Kconfig
+++ b/common/Kconfig
@@ -1003,7 +1003,7 @@ config HASH
 
 config AVB_VERIFY
 	bool "Build Android Verified Boot operations"
-	depends on LIBAVB && FASTBOOT
+	depends on LIBAVB
 	depends on PARTITION_UUIDS
 	help
 	  This option enables compilation of bootloader-dependent operations,
@@ -1012,6 +1012,24 @@ config AVB_VERIFY
 	    * Helpers to access MMC, similar to drivers/fastboot/fb_mmc.c.
 	    * Helpers to alloc/init/free avb ops.
 
+if AVB_VERIFY
+
+config AVB_BUF_ADDR
+	hex "Define AVB buffer address"
+	default FASTBOOT_BUF_ADDR
+	help
+	  AVB requires a buffer for memory transactions. This variable defines the
+	  buffer address.
+
+config AVB_BUF_SIZE
+	hex "Define AVB buffer SIZE"
+	default FASTBOOT_BUF_SIZE
+	help
+	  AVB requires a buffer for memory transactions. This variable defines the
+	  buffer size.
+
+endif # AVB_VERIFY
+
 config SPL_HASH
 	bool # "Support hashing API (SHA1, SHA256, etc.)"
 	help
diff --git a/common/avb_verify.c b/common/avb_verify.c
index a2b7396..db10d0f 100644
--- a/common/avb_verify.c
+++ b/common/avb_verify.c
@@ -7,7 +7,6 @@
 #include <avb_verify.h>
 #include <blk.h>
 #include <cpu_func.h>
-#include <fastboot.h>
 #include <image.h>
 #include <malloc.h>
 #include <part.h>
diff --git a/configs/total_compute_defconfig b/configs/total_compute_defconfig
new file mode 100644
index 0000000..e36d701
--- /dev/null
+++ b/configs/total_compute_defconfig
@@ -0,0 +1,53 @@
+CONFIG_ARM=y
+CONFIG_TARGET_TOTAL_COMPUTE=y
+CONFIG_SYS_TEXT_BASE=0xe0000000
+CONFIG_SYS_MALLOC_F_LEN=0x2000
+CONFIG_ENV_SIZE=0x2a00000
+CONFIG_NR_DRAM_BANKS=2
+CONFIG_DEFAULT_DEVICE_TREE="total_compute"
+CONFIG_DISTRO_DEFAULTS=y
+CONFIG_ANDROID_BOOT_IMAGE=y
+CONFIG_FIT=y
+CONFIG_FIT_SIGNATURE=y
+CONFIG_LEGACY_IMAGE_FORMAT=y
+CONFIG_BOOTDELAY=5
+CONFIG_USE_BOOTARGS=y
+CONFIG_BOOTARGS="console=ttyAMA0 debug user_debug=31 earlycon=pl011,0x7ff80000 loglevel=9 androidboot.hardware=total_compute video=640x480-32@60 androidboot.boot_devices=1c050000.mmci ip=dhcp androidboot.selinux=permissive"
+# CONFIG_USE_BOOTCOMMAND is not set
+# CONFIG_DISPLAY_CPUINFO is not set
+# CONFIG_DISPLAY_BOARDINFO is not set
+CONFIG_AVB_VERIFY=y
+CONFIG_AVB_BUF_ADDR=0x90000000
+CONFIG_AVB_BUF_SIZE=0x10000000
+CONFIG_SYS_PROMPT="TOTAL_COMPUTE# "
+# CONFIG_CMD_CONSOLE is not set
+# CONFIG_CMD_XIMG is not set
+# CONFIG_CMD_EDITENV is not set
+CONFIG_CMD_MEMTEST=y
+CONFIG_SYS_MEMTEST_START=0x80000000
+CONFIG_SYS_MEMTEST_END=0xff000000
+CONFIG_CMD_ARMFLASH=y
+CONFIG_CMD_GPT=y
+# CONFIG_RANDOM_UUID is not set
+# CONFIG_CMD_LOADS is not set
+CONFIG_CMD_MMC=y
+# CONFIG_CMD_ITEST is not set
+# CONFIG_CMD_SETEXPR is not set
+CONFIG_CMD_CACHE=y
+# CONFIG_CMD_MISC is not set
+CONFIG_CMD_AVB=y
+CONFIG_CMD_UBI=y
+# CONFIG_ISO_PARTITION is not set
+CONFIG_OF_CONTROL=y
+# CONFIG_NET is not set
+CONFIG_CLK=y
+# CONFIG_MMC_WRITE is not set
+CONFIG_ARM_PL180_MMCI=y
+CONFIG_MTD=y
+CONFIG_MTD_NOR_FLASH=y
+CONFIG_FLASH_CFI_DRIVER=y
+CONFIG_SYS_FLASH_USE_BUFFER_WRITE=y
+CONFIG_SYS_FLASH_PROTECTION=y
+CONFIG_SYS_FLASH_CFI=y
+CONFIG_LIBAVB=y
+CONFIG_OF_LIBFDT_OVERLAY=y
diff --git a/configs/xenguest_arm64_defconfig b/configs/xenguest_arm64_defconfig
index 46473c2..042ea79 100644
--- a/configs/xenguest_arm64_defconfig
+++ b/configs/xenguest_arm64_defconfig
@@ -1,60 +1,39 @@
 CONFIG_ARM=y
 CONFIG_POSITION_INDEPENDENT=y
+CONFIG_TARGET_XENGUEST_ARM64=y
 CONFIG_SYS_TEXT_BASE=0x40080000
 CONFIG_SYS_MALLOC_F_LEN=0x2000
 CONFIG_IDENT_STRING=" xenguest"
-CONFIG_TARGET_XENGUEST_ARM64=y
 CONFIG_BOOTDELAY=10
-
 CONFIG_SYS_PROMPT="xenguest# "
-
-CONFIG_CMD_NET=n
-CONFIG_CMD_BDI=n
-CONFIG_CMD_BOOTD=n
-CONFIG_CMD_BOOTEFI=n
-CONFIG_CMD_BOOTEFI_HELLO_COMPILE=n
-CONFIG_CMD_ELF=n
+# CONFIG_CMD_BDI is not set
+# CONFIG_CMD_BOOTD is not set
+# CONFIG_CMD_ELF is not set
+# CONFIG_CMD_GO is not set
+# CONFIG_CMD_IMI is not set
+# CONFIG_CMD_XIMG is not set
+# CONFIG_CMD_EXPORTENV is not set
+# CONFIG_CMD_IMPORTENV is not set
+# CONFIG_CMD_EDITENV is not set
+# CONFIG_CMD_SAVEENV is not set
+# CONFIG_CMD_ENV_EXISTS is not set
+# CONFIG_CMD_CRC32 is not set
+# CONFIG_CMD_LZMADEC is not set
+# CONFIG_CMD_UNZIP is not set
+# CONFIG_CMD_LOADB is not set
+# CONFIG_CMD_LOADS is not set
+CONFIG_CMD_PVBLOCK=y
+# CONFIG_CMD_ECHO is not set
+# CONFIG_CMD_ITEST is not set
+# CONFIG_CMD_SOURCE is not set
+# CONFIG_CMD_SETEXPR is not set
+# CONFIG_CMD_NET is not set
+# CONFIG_CMD_MISC is not set
 CONFIG_CMD_EXT4=y
 CONFIG_CMD_FAT=y
-CONFIG_CMD_GO=n
-CONFIG_CMD_RUN=n
-CONFIG_CMD_IMI=n
-CONFIG_CMD_IMLS=n
-CONFIG_CMD_XIMG=n
-CONFIG_CMD_EXPORTENV=n
-CONFIG_CMD_IMPORTENV=n
-CONFIG_CMD_EDITENV=n
-CONFIG_CMD_ENV_EXISTS=n
-CONFIG_CMD_MEMORY=y
-CONFIG_CMD_CRC32=n
-CONFIG_CMD_DM=n
-CONFIG_CMD_LOADB=n
-CONFIG_CMD_LOADS=n
-CONFIG_CMD_FLASH=n
-CONFIG_CMD_GPT=n
-CONFIG_CMD_FPGA=n
-CONFIG_CMD_ECHO=n
-CONFIG_CMD_ITEST=n
-CONFIG_CMD_SOURCE=n
-CONFIG_CMD_SETEXPR=n
-CONFIG_CMD_MISC=n
-CONFIG_CMD_UNZIP=n
-CONFIG_CMD_LZMADEC=n
-CONFIG_CMD_SAVEENV=n
-CONFIG_CMD_UMS=n
-
-CONFIG_CMD_PVBLOCK=y
-
-#CONFIG_USB=n
-# CONFIG_ISO_PARTITION is not set
-
-#CONFIG_EFI_PARTITION=y
-# CONFIG_EFI_LOADER is not set
-
+CONFIG_OF_BOARD=y
 CONFIG_DM=y
 # CONFIG_MMC is not set
-CONFIG_DM_SERIAL=y
 # CONFIG_REQUIRE_SERIAL_CONSOLE is not set
-
-CONFIG_OF_BOARD=y
-CONFIG_OF_LIBFDT=y
+CONFIG_DM_SERIAL=y
+# CONFIG_EFI_LOADER is not set
diff --git a/drivers/ata/mtk_ahci.c b/drivers/ata/mtk_ahci.c
index 8e09c5f..4ad260a 100644
--- a/drivers/ata/mtk_ahci.c
+++ b/drivers/ata/mtk_ahci.c
@@ -2,12 +2,10 @@
 /*
  * MTK SATA platform driver
  *
- * (C) Copyright 2020
- *     Mediatek
+ * Copyright (C) 2020 MediaTek Inc.
  *
- * Author: Frank Wunderlich <frank-w@public-files.de>
- * based on https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/tree/drivers/ata/ahci_mtk.c
  * Author: Ryder Lee <ryder.lee@mediatek.com>
+ * Author: Frank Wunderlich <frank-w@public-files.de>
  */
 
 #include <common.h>
diff --git a/drivers/clk/mediatek/clk-mt7622.c b/drivers/clk/mediatek/clk-mt7622.c
index d53ed69..0246149 100644
--- a/drivers/clk/mediatek/clk-mt7622.c
+++ b/drivers/clk/mediatek/clk-mt7622.c
@@ -521,6 +521,20 @@ static const struct mtk_gate_regs sgmii_cg_regs = {
 	.flags = CLK_GATE_NO_SETCLR_INV | CLK_PARENT_TOPCKGEN,	\
 }
 
+static const struct mtk_gate_regs ssusb_cg_regs = {
+	.set_ofs = 0x30,
+	.clr_ofs = 0x30,
+	.sta_ofs = 0x30,
+};
+
+#define GATE_SSUSB(_id, _parent, _shift) {                      \
+	.id = _id,                                              \
+	.parent = _parent,                                      \
+	.regs = &ssusb_cg_regs,                                 \
+	.shift = _shift,                                        \
+	.flags = CLK_GATE_NO_SETCLR_INV | CLK_PARENT_TOPCKGEN,  \
+}
+
 static const struct mtk_gate sgmii_cgs[] = {
 	GATE_SGMII(CLK_SGMII_TX250M_EN, CLK_TOP_SSUSB_TX250M, 2),
 	GATE_SGMII(CLK_SGMII_RX250M_EN, CLK_TOP_SSUSB_EQ_RX250M, 3),
@@ -528,6 +542,15 @@ static const struct mtk_gate sgmii_cgs[] = {
 	GATE_SGMII(CLK_SGMII_CDR_FB, CLK_TOP_SSUSB_CDR_FB, 5),
 };
 
+static const struct mtk_gate ssusb_cgs[] = {
+	GATE_SSUSB(CLK_SSUSB_U2_PHY_1P_EN, CLK_TOP_TO_U2_PHY_1P, 0),
+	GATE_SSUSB(CLK_SSUSB_U2_PHY_EN, CLK_TOP_TO_U2_PHY, 1),
+	GATE_SSUSB(CLK_SSUSB_REF_EN, CLK_TOP_TO_USB3_REF, 5),
+	GATE_SSUSB(CLK_SSUSB_SYS_EN, CLK_TOP_TO_USB3_SYS, 6),
+	GATE_SSUSB(CLK_SSUSB_MCU_EN, CLK_TOP_AXI_SEL, 7),
+	GATE_SSUSB(CLK_SSUSB_DMA_EN, CLK_TOP_HIF_SEL, 8),
+};
+
 static const struct mtk_clk_tree mt7622_clk_tree = {
 	.xtal_rate = 25 * MHZ,
 	.xtal2_rate = 25 * MHZ,
@@ -599,7 +622,6 @@ static int mt7622_pciesys_bind(struct udevice *dev)
 	int ret = 0;
 
 	if (IS_ENABLED(CONFIG_RESET_MEDIATEK)) {
-//	PCIESYS uses in linux also 0x34 = ETHSYS reset controller
 	ret = mediatek_reset_bind(dev, ETHSYS_HIFSYS_RST_CTRL_OFS, 1);
 	if (ret)
 		debug("Warning: failed to bind reset controller\n");
@@ -631,6 +653,11 @@ static int mt7622_sgmiisys_probe(struct udevice *dev)
 	return mtk_common_clk_gate_init(dev, &mt7622_clk_tree, sgmii_cgs);
 }
 
+static int mt7622_ssusbsys_probe(struct udevice *dev)
+{
+	return mtk_common_clk_gate_init(dev, &mt7622_clk_tree, ssusb_cgs);
+}
+
 static const struct udevice_id mt7622_apmixed_compat[] = {
 	{ .compatible = "mediatek,mt7622-apmixedsys" },
 	{ }
@@ -671,6 +698,11 @@ static const struct udevice_id mt7622_mcucfg_compat[] = {
 	{ }
 };
 
+static const struct udevice_id mt7622_ssusbsys_compat[] = {
+	{ .compatible = "mediatek,mt7622-ssusbsys" },
+	{ }
+};
+
 U_BOOT_DRIVER(mtk_mcucfg) = {
 	.name = "mt7622-mcucfg",
 	.id = UCLASS_SYSCON,
@@ -747,3 +779,12 @@ U_BOOT_DRIVER(mtk_clk_sgmiisys) = {
 	.priv_auto_alloc_size = sizeof(struct mtk_cg_priv),
 	.ops = &mtk_clk_gate_ops,
 };
+
+U_BOOT_DRIVER(mtk_clk_ssusbsys) = {
+	.name = "mt7622-clock-ssusbsys",
+	.id = UCLASS_CLK,
+	.of_match = mt7622_ssusbsys_compat,
+	.probe = mt7622_ssusbsys_probe,
+	.priv_auto_alloc_size = sizeof(struct mtk_cg_priv),
+	.ops = &mtk_clk_gate_ops,
+};
diff --git a/drivers/firmware/psci.c b/drivers/firmware/psci.c
index 7d2e49f..68953cc 100644
--- a/drivers/firmware/psci.c
+++ b/drivers/firmware/psci.c
@@ -19,6 +19,7 @@
 #include <linux/errno.h>
 #include <linux/printk.h>
 #include <linux/psci.h>
+#include <asm/system.h>
 
 #define DRIVER_NAME "psci"
 
@@ -73,6 +74,11 @@ static int psci_probe(struct udevice *dev)
 {
 	const char *method;
 
+#if defined(CONFIG_ARM64)
+	if (current_el() == 3)
+		return -EINVAL;
+#endif
+
 	method = ofnode_read_string(dev_ofnode(dev), "method");
 	if (!method) {
 		pr_warn("missing \"method\" property\n");
diff --git a/drivers/phy/phy-mtk-tphy.c b/drivers/phy/phy-mtk-tphy.c
index 326227a..3d7b9cd 100644
--- a/drivers/phy/phy-mtk-tphy.c
+++ b/drivers/phy/phy-mtk-tphy.c
@@ -698,11 +698,10 @@ static int mtk_tphy_probe(struct udevice *dev)
 	tphy->dev = dev;
 	tphy->version = dev_get_driver_data(dev);
 
-	/* v1 has shared banks */
+	/* v1 has shared banks for usb/pcie mode, */
+	/* but not for sata mode */
 	if (tphy->version == MTK_TPHY_V1) {
 		tphy->sif_base = dev_read_addr_ptr(dev);
-		if (!tphy->sif_base)
-			return -ENOENT;
 	}
 
 	dev_for_each_subnode(subnode, dev) {
diff --git a/drivers/virtio/virtio_blk.c b/drivers/virtio/virtio_blk.c
index 992118c..1799f5c 100644
--- a/drivers/virtio/virtio_blk.c
+++ b/drivers/virtio/virtio_blk.c
@@ -115,6 +115,7 @@ static int virtio_blk_probe(struct udevice *dev)
 		return ret;
 
 	desc->blksz = 512;
+	desc->log2blksz = 9;
 	virtio_cread(dev, struct virtio_blk_config, capacity, &cap);
 	desc->lba = cap;
 
diff --git a/drivers/xen/gnttab.c b/drivers/xen/gnttab.c
index becf7a7..9bf1091 100644
--- a/drivers/xen/gnttab.c
+++ b/drivers/xen/gnttab.c
@@ -100,7 +100,8 @@ int gnttab_end_access(grant_ref_t ref)
 
 	nflags = gnttab_table[ref].flags;
 	do {
-		if ((flags = nflags) & (GTF_reading | GTF_writing)) {
+		flags = nflags;
+		if ((flags) & (GTF_reading | GTF_writing)) {
 			printf("WARNING: g.e. still in use! (%x)\n", flags);
 			return 0;
 		}
diff --git a/drivers/xen/pvblock.c b/drivers/xen/pvblock.c
index 76e82fb..1b3325b 100644
--- a/drivers/xen/pvblock.c
+++ b/drivers/xen/pvblock.c
@@ -294,8 +294,8 @@ static void shutdown_blkfront(struct blkfront_dev *dev)
 	snprintf(path, sizeof(path), "%s/state", dev->backend);
 	snprintf(nodename, sizeof(nodename), "%s/state", dev->nodename);
 
-	if ((err = xenbus_switch_state(XBT_NIL, nodename,
-				       XenbusStateClosing)) != NULL) {
+	err = xenbus_switch_state(XBT_NIL, nodename, XenbusStateClosing);
+	if (err) {
 		printf("%s: error changing state to %d: %s\n", __func__,
 		       XenbusStateClosing, err);
 		goto close;
@@ -306,8 +306,8 @@ static void shutdown_blkfront(struct blkfront_dev *dev)
 		err = xenbus_wait_for_state_change(path, &state);
 	free(err);
 
-	if ((err = xenbus_switch_state(XBT_NIL, nodename,
-				       XenbusStateClosed)) != NULL) {
+	err = xenbus_switch_state(XBT_NIL, nodename, XenbusStateClosed);
+	if (err) {
 		printf("%s: error changing state to %d: %s\n", __func__,
 		       XenbusStateClosed, err);
 		goto close;
@@ -319,8 +319,8 @@ static void shutdown_blkfront(struct blkfront_dev *dev)
 		free(err);
 	}
 
-	if ((err = xenbus_switch_state(XBT_NIL, nodename,
-				       XenbusStateInitialising)) != NULL) {
+	err = xenbus_switch_state(XBT_NIL, nodename, XenbusStateInitialising);
+	if (err) {
 		printf("%s: error changing state to %d: %s\n", __func__,
 		       XenbusStateInitialising, err);
 		goto close;
diff --git a/fs/squashfs/sqfs.c b/fs/squashfs/sqfs.c
index 340e5eb..f67f7c4 100644
--- a/fs/squashfs/sqfs.c
+++ b/fs/squashfs/sqfs.c
@@ -23,12 +23,6 @@
 #include "sqfs_filesystem.h"
 #include "sqfs_utils.h"
 
-struct squashfs_ctxt {
-	struct disk_partition cur_part_info;
-	struct blk_desc *cur_dev;
-	struct squashfs_super_block *sblk;
-};
-
 static struct squashfs_ctxt ctxt;
 
 static int sqfs_disk_read(__u32 block, __u32 nr_blocks, void *buf)
@@ -110,9 +104,7 @@ static int sqfs_frag_lookup(u32 inode_fragment_index,
 	struct squashfs_super_block *sblk = ctxt.sblk;
 	unsigned long dest_len;
 	int block, offset, ret;
-	u16 header, comp_type;
-
-	comp_type = get_unaligned_le16(&sblk->compression);
+	u16 header;
 
 	if (inode_fragment_index >= get_unaligned_le32(&sblk->fragments))
 		return -EINVAL;
@@ -162,6 +154,11 @@ static int sqfs_frag_lookup(u32 inode_fragment_index,
 	header = get_unaligned_le16(metadata_buffer + table_offset);
 	metadata = metadata_buffer + table_offset + SQFS_HEADER_SIZE;
 
+	if (!metadata) {
+		ret = -ENOMEM;
+		goto free_buffer;
+	}
+
 	entries = malloc(SQFS_METADATA_BLOCK_SIZE);
 	if (!entries) {
 		ret = -ENOMEM;
@@ -171,7 +168,7 @@ static int sqfs_frag_lookup(u32 inode_fragment_index,
 	if (SQFS_COMPRESSED_METADATA(header)) {
 		src_len = SQFS_METADATA_SIZE(header);
 		dest_len = SQFS_METADATA_BLOCK_SIZE;
-		ret = sqfs_decompress(comp_type, entries, &dest_len, metadata,
+		ret = sqfs_decompress(&ctxt, entries, &dest_len, metadata,
 				      src_len);
 		if (ret) {
 			ret = -EINVAL;
@@ -280,8 +277,8 @@ static int sqfs_join(char **strings, char *dest, int start, int end,
  */
 static int sqfs_tokenize(char **tokens, int count, const char *str)
 {
+	int i, j, ret = 0;
 	char *aux, *strc;
-	int i, j;
 
 	strc = strdup(str);
 	if (!strc)
@@ -290,8 +287,8 @@ static int sqfs_tokenize(char **tokens, int count, const char *str)
 	if (!strcmp(strc, "/")) {
 		tokens[0] = strdup(strc);
 		if (!tokens[0]) {
-			free(strc);
-			return -ENOMEM;
+			ret = -ENOMEM;
+			goto free_strc;
 		}
 	} else {
 		for (j = 0; j < count; j++) {
@@ -300,15 +297,16 @@ static int sqfs_tokenize(char **tokens, int count, const char *str)
 			if (!tokens[j]) {
 				for (i = 0; i < j; i++)
 					free(tokens[i]);
-				free(strc);
-				return -ENOMEM;
+				ret = -ENOMEM;
+				goto free_strc;
 			}
 		}
 	}
 
+free_strc:
 	free(strc);
 
-	return 0;
+	return ret;
 }
 
 /*
@@ -436,9 +434,9 @@ static int sqfs_search_dir(struct squashfs_dir_stream *dirs, char **token_list,
 {
 	struct squashfs_super_block *sblk = ctxt.sblk;
 	char *path, *target, **sym_tokens, *res, *rem;
+	struct squashfs_ldir_inode *ldir = NULL;
 	int j, ret, new_inode_number, offset;
 	struct squashfs_symlink_inode *sym;
-	struct squashfs_ldir_inode *ldir;
 	struct squashfs_dir_inode *dir;
 	struct fs_dir_stream *dirsp;
 	struct fs_dirent *dent;
@@ -635,13 +633,12 @@ static int sqfs_read_inode_table(unsigned char **inode_table)
 {
 	struct squashfs_super_block *sblk = ctxt.sblk;
 	u64 start, n_blks, table_offset, table_size;
-	int j, ret = 0, metablks_count, comp_type;
+	int j, ret = 0, metablks_count;
 	unsigned char *src_table, *itb;
 	u32 src_len, dest_offset = 0;
-	unsigned long dest_len;
+	unsigned long dest_len = 0;
 	bool compressed;
 
-	comp_type = get_unaligned_le16(&sblk->compression);
 	table_size = get_unaligned_le64(&sblk->directory_table_start) -
 		get_unaligned_le64(&sblk->inode_table_start);
 	start = get_unaligned_le64(&sblk->inode_table_start) /
@@ -686,7 +683,7 @@ static int sqfs_read_inode_table(unsigned char **inode_table)
 		sqfs_read_metablock(itb, table_offset, &compressed, &src_len);
 		if (compressed) {
 			dest_len = SQFS_METADATA_BLOCK_SIZE;
-			ret = sqfs_decompress(comp_type, *inode_table +
+			ret = sqfs_decompress(&ctxt, *inode_table +
 					      dest_offset, &dest_len,
 					      src_table, src_len);
 			if (ret) {
@@ -694,6 +691,7 @@ static int sqfs_read_inode_table(unsigned char **inode_table)
 				goto free_itb;
 			}
 
+			dest_offset += dest_len;
 		} else {
 			memcpy(*inode_table + (j * SQFS_METADATA_BLOCK_SIZE),
 			       src_table, src_len);
@@ -703,7 +701,7 @@ static int sqfs_read_inode_table(unsigned char **inode_table)
 		 * Offsets to the decompression destination, to the metadata
 		 * buffer 'itb' and to the decompression source, respectively.
 		 */
-		dest_offset += dest_len;
+
 		table_offset += src_len + SQFS_HEADER_SIZE;
 		src_table += src_len + SQFS_HEADER_SIZE;
 	}
@@ -717,15 +715,13 @@ free_itb:
 static int sqfs_read_directory_table(unsigned char **dir_table, u32 **pos_list)
 {
 	u64 start, n_blks, table_offset, table_size;
-	int j, ret = 0, metablks_count = -1, comp_type;
 	struct squashfs_super_block *sblk = ctxt.sblk;
+	int j, ret = 0, metablks_count = -1;
 	unsigned char *src_table, *dtb;
 	u32 src_len, dest_offset = 0;
-	unsigned long dest_len;
+	unsigned long dest_len = 0;
 	bool compressed;
 
-	comp_type = get_unaligned_le16(&sblk->compression);
-
 	/* DIRECTORY TABLE */
 	table_size = get_unaligned_le64(&sblk->fragment_table_start) -
 		get_unaligned_le64(&sblk->directory_table_start);
@@ -779,7 +775,7 @@ static int sqfs_read_directory_table(unsigned char **dir_table, u32 **pos_list)
 		sqfs_read_metablock(dtb, table_offset, &compressed, &src_len);
 		if (compressed) {
 			dest_len = SQFS_METADATA_BLOCK_SIZE;
-			ret = sqfs_decompress(comp_type, *dir_table +
+			ret = sqfs_decompress(&ctxt, *dir_table +
 					      (j * SQFS_METADATA_BLOCK_SIZE),
 					      &dest_len, src_table, src_len);
 			if (ret) {
@@ -792,6 +788,8 @@ static int sqfs_read_directory_table(unsigned char **dir_table, u32 **pos_list)
 				dest_offset += dest_len;
 				break;
 			}
+
+			dest_offset += dest_len;
 		} else {
 			memcpy(*dir_table + (j * SQFS_METADATA_BLOCK_SIZE),
 			       src_table, src_len);
@@ -801,7 +799,6 @@ static int sqfs_read_directory_table(unsigned char **dir_table, u32 **pos_list)
 		 * Offsets to the decompression destination, to the metadata
 		 * buffer 'dtb' and to the decompression source, respectively.
 		 */
-		dest_offset += dest_len;
 		table_offset += src_len + SQFS_HEADER_SIZE;
 		src_table += src_len + SQFS_HEADER_SIZE;
 	}
@@ -1023,6 +1020,14 @@ int sqfs_probe(struct blk_desc *fs_dev_desc, struct disk_partition *fs_partition
 
 	ctxt.sblk = sblk;
 
+	ret = sqfs_decompressor_init(&ctxt);
+
+	if (ret) {
+		ctxt.cur_dev = NULL;
+		free(ctxt.sblk);
+		return -EINVAL;
+	}
+
 	return 0;
 }
 
@@ -1141,6 +1146,9 @@ static int sqfs_get_regfile_info(struct squashfs_reg_inode *reg,
 	finfo->start = get_unaligned_le32(&reg->start_block);
 	finfo->frag = SQFS_IS_FRAGMENTED(get_unaligned_le32(&reg->fragment));
 
+	if (finfo->size < 1 || finfo->offset < 0 || finfo->start < 0)
+		return -EINVAL;
+
 	if (finfo->frag) {
 		datablk_count = finfo->size / le32_to_cpu(blksz);
 		ret = sqfs_frag_lookup(get_unaligned_le32(&reg->fragment),
@@ -1148,6 +1156,8 @@ static int sqfs_get_regfile_info(struct squashfs_reg_inode *reg,
 		if (ret < 0)
 			return -EINVAL;
 		finfo->comp = true;
+		if (fentry->size < 1 || fentry->start < 0)
+			return -EINVAL;
 	} else {
 		datablk_count = DIV_ROUND_UP(finfo->size, le32_to_cpu(blksz));
 	}
@@ -1171,6 +1181,9 @@ static int sqfs_get_lregfile_info(struct squashfs_lreg_inode *lreg,
 	finfo->start = get_unaligned_le64(&lreg->start_block);
 	finfo->frag = SQFS_IS_FRAGMENTED(get_unaligned_le32(&lreg->fragment));
 
+	if (finfo->size < 1 || finfo->offset < 0 || finfo->start < 0)
+		return -EINVAL;
+
 	if (finfo->frag) {
 		datablk_count = finfo->size / le32_to_cpu(blksz);
 		ret = sqfs_frag_lookup(get_unaligned_le32(&lreg->fragment),
@@ -1178,6 +1191,8 @@ static int sqfs_get_lregfile_info(struct squashfs_lreg_inode *lreg,
 		if (ret < 0)
 			return -EINVAL;
 		finfo->comp = true;
+		if (fentry->size < 1 || fentry->start < 0)
+			return -EINVAL;
 	} else {
 		datablk_count = DIV_ROUND_UP(finfo->size, le32_to_cpu(blksz));
 	}
@@ -1195,7 +1210,7 @@ int sqfs_read(const char *filename, void *buf, loff_t offset, loff_t len,
 	char *dir, *fragment_block, *datablock = NULL, *data_buffer = NULL;
 	char *fragment, *file, *resolved, *data;
 	u64 start, n_blks, table_size, data_offset, table_offset;
-	int ret, j, i_number, comp_type, datablk_count = 0;
+	int ret, j, i_number, datablk_count = 0;
 	struct squashfs_super_block *sblk = ctxt.sblk;
 	struct squashfs_fragment_block_entry frag_entry;
 	struct squashfs_file_info finfo = {0};
@@ -1211,8 +1226,6 @@ int sqfs_read(const char *filename, void *buf, loff_t offset, loff_t len,
 
 	*actread = 0;
 
-	comp_type = get_unaligned_le16(&sblk->compression);
-
 	/*
 	 * sqfs_opendir will uncompress inode and directory tables, and will
 	 * return a pointer to the directory that contains the requested file.
@@ -1344,7 +1357,7 @@ int sqfs_read(const char *filename, void *buf, loff_t offset, loff_t len,
 		/* Load the data */
 		if (SQFS_COMPRESSED_BLOCK(finfo.blk_sizes[j])) {
 			dest_len = get_unaligned_le32(&sblk->block_size);
-			ret = sqfs_decompress(comp_type, datablock, &dest_len,
+			ret = sqfs_decompress(&ctxt, datablock, &dest_len,
 					      data, table_size);
 			if (ret)
 				goto free_buffer;
@@ -1394,7 +1407,7 @@ int sqfs_read(const char *filename, void *buf, loff_t offset, loff_t len,
 			goto free_fragment;
 		}
 
-		ret = sqfs_decompress(comp_type, fragment_block, &dest_len,
+		ret = sqfs_decompress(&ctxt, fragment_block, &dest_len,
 				      (void *)fragment  + table_offset,
 				      frag_entry.size);
 		if (ret) {
@@ -1525,6 +1538,7 @@ void sqfs_close(void)
 {
 	free(ctxt.sblk);
 	ctxt.cur_dev = NULL;
+	sqfs_decompressor_cleanup(&ctxt);
 }
 
 void sqfs_closedir(struct fs_dir_stream *dirs)
diff --git a/fs/squashfs/sqfs_decompressor.c b/fs/squashfs/sqfs_decompressor.c
index 09ca6cf..d69ddb2 100644
--- a/fs/squashfs/sqfs_decompressor.c
+++ b/fs/squashfs/sqfs_decompressor.c
@@ -9,14 +9,71 @@
 #include <stdint.h>
 #include <stdio.h>
 #include <stdlib.h>
+
+#if IS_ENABLED(CONFIG_LZO)
+#include <linux/lzo.h>
+#endif
+
 #if IS_ENABLED(CONFIG_ZLIB)
 #include <u-boot/zlib.h>
 #endif
 
+#if IS_ENABLED(CONFIG_ZSTD)
+#include <linux/zstd.h>
+#endif
+
 #include "sqfs_decompressor.h"
-#include "sqfs_filesystem.h"
 #include "sqfs_utils.h"
 
+int sqfs_decompressor_init(struct squashfs_ctxt *ctxt)
+{
+	u16 comp_type = get_unaligned_le16(&ctxt->sblk->compression);
+
+	switch (comp_type) {
+#if IS_ENABLED(CONFIG_LZO)
+	case SQFS_COMP_LZO:
+		break;
+#endif
+#if IS_ENABLED(CONFIG_ZLIB)
+	case SQFS_COMP_ZLIB:
+		break;
+#endif
+#if IS_ENABLED(CONFIG_ZSTD)
+	case SQFS_COMP_ZSTD:
+		ctxt->zstd_workspace = malloc(ZSTD_DCtxWorkspaceBound());
+		if (!ctxt->zstd_workspace)
+			return -ENOMEM;
+		break;
+#endif
+	default:
+		printf("Error: unknown compression type.\n");
+		return -EINVAL;
+	}
+
+	return 0;
+}
+
+void sqfs_decompressor_cleanup(struct squashfs_ctxt *ctxt)
+{
+	u16 comp_type = get_unaligned_le16(&ctxt->sblk->compression);
+
+	switch (comp_type) {
+#if IS_ENABLED(CONFIG_LZO)
+	case SQFS_COMP_LZO:
+		break;
+#endif
+#if IS_ENABLED(CONFIG_ZLIB)
+	case SQFS_COMP_ZLIB:
+		break;
+#endif
+#if IS_ENABLED(CONFIG_ZSTD)
+	case SQFS_COMP_ZSTD:
+		free(ctxt->zstd_workspace);
+		break;
+#endif
+	}
+}
+
 #if IS_ENABLED(CONFIG_ZLIB)
 static void zlib_decompression_status(int ret)
 {
@@ -34,15 +91,44 @@ static void zlib_decompression_status(int ret)
 }
 #endif
 
-int sqfs_decompress(u16 comp_type, void *dest, unsigned long *dest_len,
-		    void *source, u32 lenp)
+#if IS_ENABLED(CONFIG_ZSTD)
+static int sqfs_zstd_decompress(struct squashfs_ctxt *ctxt, void *dest,
+				unsigned long dest_len, void *source, u32 src_len)
+{
+	ZSTD_DCtx *ctx;
+	size_t wsize;
+	int ret;
+
+	wsize = ZSTD_DCtxWorkspaceBound();
+	ctx = ZSTD_initDCtx(ctxt->zstd_workspace, wsize);
+	ret = ZSTD_decompressDCtx(ctx, dest, dest_len, source, src_len);
+
+	return ZSTD_isError(ret);
+}
+#endif /* CONFIG_ZSTD */
+
+int sqfs_decompress(struct squashfs_ctxt *ctxt, void *dest,
+		    unsigned long *dest_len, void *source, u32 src_len)
 {
+	u16 comp_type = get_unaligned_le16(&ctxt->sblk->compression);
 	int ret = 0;
 
 	switch (comp_type) {
+#if IS_ENABLED(CONFIG_LZO)
+	case SQFS_COMP_LZO: {
+		size_t lzo_dest_len = *dest_len;
+		ret = lzo1x_decompress_safe(source, src_len, dest, &lzo_dest_len);
+		if (ret) {
+			printf("LZO decompression failed. Error code: %d\n", ret);
+			return -EINVAL;
+		}
+
+		break;
+	}
+#endif
 #if IS_ENABLED(CONFIG_ZLIB)
 	case SQFS_COMP_ZLIB:
-		ret = uncompress(dest, dest_len, source, lenp);
+		ret = uncompress(dest, dest_len, source, src_len);
 		if (ret) {
 			zlib_decompression_status(ret);
 			return -EINVAL;
@@ -50,6 +136,16 @@ int sqfs_decompress(u16 comp_type, void *dest, unsigned long *dest_len,
 
 		break;
 #endif
+#if IS_ENABLED(CONFIG_ZSTD)
+	case SQFS_COMP_ZSTD:
+		ret = sqfs_zstd_decompress(ctxt, dest, *dest_len, source, src_len);
+		if (ret) {
+			printf("ZSTD Error code: %d\n", ZSTD_getErrorCode(ret));
+			return -EINVAL;
+		}
+
+		break;
+#endif
 	default:
 		printf("Error: unknown compression type.\n");
 		return -EINVAL;
diff --git a/fs/squashfs/sqfs_decompressor.h b/fs/squashfs/sqfs_decompressor.h
index 378965d..892cfb6 100644
--- a/fs/squashfs/sqfs_decompressor.h
+++ b/fs/squashfs/sqfs_decompressor.h
@@ -9,6 +9,7 @@
 #define SQFS_DECOMPRESSOR_H
 
 #include <stdint.h>
+#include "sqfs_filesystem.h"
 
 #define SQFS_COMP_ZLIB 1
 #define SQFS_COMP_LZMA 2
@@ -52,7 +53,9 @@ union squashfs_compression_opts {
 	struct squashfs_lzo_opts *lzo;
 };
 
-int sqfs_decompress(u16 comp_type, void *dest, unsigned long *dest_len,
-		    void *source, u32 lenp);
+int sqfs_decompress(struct squashfs_ctxt *ctxt, void *dest,
+		    unsigned long *dest_len, void *source, u32 src_len);
+int sqfs_decompressor_init(struct squashfs_ctxt *ctxt);
+void sqfs_decompressor_cleanup(struct squashfs_ctxt *ctxt);
 
 #endif /* SQFS_DECOMPRESSOR_H */
diff --git a/fs/squashfs/sqfs_dir.c b/fs/squashfs/sqfs_dir.c
index 5f7660a..00d2891 100644
--- a/fs/squashfs/sqfs_dir.c
+++ b/fs/squashfs/sqfs_dir.c
@@ -53,6 +53,9 @@ int sqfs_dir_offset(void *dir_i, u32 *m_list, int m_count)
 		return -EINVAL;
 	}
 
+	if (offset < 0)
+		return -EINVAL;
+
 	for (j = 0; j < m_count; j++) {
 		if (m_list[j] == start_block)
 			return (++j * SQFS_METADATA_BLOCK_SIZE) + offset;
diff --git a/fs/squashfs/sqfs_filesystem.h b/fs/squashfs/sqfs_filesystem.h
index d63e3a4..856cd15 100644
--- a/fs/squashfs/sqfs_filesystem.h
+++ b/fs/squashfs/sqfs_filesystem.h
@@ -9,8 +9,9 @@
 #define SQFS_FILESYSTEM_H
 
 #include <asm/unaligned.h>
-#include <stdint.h>
 #include <fs.h>
+#include <part.h>
+#include <stdint.h>
 
 #define SQFS_UNCOMPRESSED_DATA 0x0002
 #define SQFS_MAGIC_NUMBER 0x73717368
@@ -72,6 +73,15 @@ struct squashfs_super_block {
 	__le64 export_table_start;
 };
 
+struct squashfs_ctxt {
+	struct disk_partition cur_part_info;
+	struct blk_desc *cur_dev;
+	struct squashfs_super_block *sblk;
+#if IS_ENABLED(CONFIG_ZSTD)
+	void *zstd_workspace;
+#endif
+};
+
 struct squashfs_directory_index {
 	u32 index;
 	u32 start;
diff --git a/fs/squashfs/sqfs_inode.c b/fs/squashfs/sqfs_inode.c
index b037a9b..1387779 100644
--- a/fs/squashfs/sqfs_inode.c
+++ b/fs/squashfs/sqfs_inode.c
@@ -138,11 +138,14 @@ void *sqfs_find_inode(void *inode_table, int inode_number, __le32 inode_count,
 int sqfs_read_metablock(unsigned char *file_mapping, int offset,
 			bool *compressed, u32 *data_size)
 {
-	unsigned char *data;
+	const unsigned char *data;
 	u16 header;
 
 	data = file_mapping + offset;
 	header = get_unaligned((u16 *)data);
+	if (!header || !data)
+		return -EINVAL;
+
 	*compressed = SQFS_COMPRESSED_METADATA(header);
 	*data_size = SQFS_METADATA_SIZE(header);
 
diff --git a/include/avb_verify.h b/include/avb_verify.h
index a8d7090..1e787ba 100644
--- a/include/avb_verify.h
+++ b/include/avb_verify.h
@@ -72,12 +72,12 @@ static inline uint64_t calc_offset(struct mmc_part *part, int64_t offset)
 
 static inline size_t get_sector_buf_size(void)
 {
-	return (size_t)CONFIG_FASTBOOT_BUF_SIZE;
+	return (size_t)CONFIG_AVB_BUF_SIZE;
 }
 
 static inline void *get_sector_buf(void)
 {
-	return map_sysmem(CONFIG_FASTBOOT_BUF_ADDR, CONFIG_FASTBOOT_BUF_SIZE);
+	return map_sysmem(CONFIG_AVB_BUF_ADDR, CONFIG_AVB_BUF_SIZE);
 }
 
 static inline bool is_buf_unaligned(void *buffer)
diff --git a/include/configs/total_compute.h b/include/configs/total_compute.h
new file mode 100644
index 0000000..cc93f19
--- /dev/null
+++ b/include/configs/total_compute.h
@@ -0,0 +1,89 @@
+/* SPDX-License-Identifier: GPL-2.0+ */
+/*
+ * Configuration for Total Compute platform. Parts were derived from other ARM
+ * configurations.
+ * (C) Copyright 2020 Arm Limited
+ * Usama Arif <usama.arif@arm.com>
+ */
+
+#ifndef __TOTAL_COMPUTE_H
+#define __TOTAL_COMPUTE_H
+
+#define CONFIG_REMAKE_ELF
+
+/* Link Definitions */
+#define CONFIG_SYS_INIT_SP_ADDR	(CONFIG_SYS_SDRAM_BASE + 0x7fff0)
+
+#define CONFIG_SYS_BOOTM_LEN	(64 << 20)
+
+#define UART0_BASE		0x7ff80000
+
+/* Size of malloc() pool */
+#define CONFIG_SYS_MALLOC_LEN	(CONFIG_ENV_SIZE + (8 << 20))
+
+/* PL011 Serial Configuration */
+#define CONFIG_PL011_CLOCK	7372800
+
+/* Miscellaneous configurable options */
+#define CONFIG_SYS_LOAD_ADDR	0x90000000
+
+/* Physical Memory Map */
+#define PHYS_SDRAM_1		0x80000000
+/* Top 48MB reserved for secure world use */
+#define DRAM_SEC_SIZE		0x03000000
+#define PHYS_SDRAM_1_SIZE	0x80000000 - DRAM_SEC_SIZE
+#define CONFIG_SYS_SDRAM_BASE	PHYS_SDRAM_1
+
+#define CONFIG_ARM_PL180_MMCI_BASE		0x001c050000
+#define CONFIG_SYS_MMC_MAX_BLK_COUNT		127
+#define CONFIG_ARM_PL180_MMCI_CLOCK_FREQ	12000000
+
+#define CONFIG_EXTRA_ENV_SETTINGS	\
+				"bootm_size=0x20000000\0"	\
+				"load_addr=0xa0000000\0"	\
+				"kernel_addr_r=0x80080000\0"	\
+				"initrd_addr_r=0x88000000\0"	\
+				"fdt_addr_r=0x83000000\0"
+/*
+ * If vbmeta partition is present, boot Android with verification using AVB.
+ * Else if system partition is present (no vbmeta partition), boot Android
+ * without verification (for development purposes).
+ * Else boot FIT image.
+ */
+#define CONFIG_BOOTCOMMAND	\
+				"if part number mmc 0 vbmeta is_avb; then" \
+				"  echo MMC with vbmeta partition detected.;" \
+				"  echo starting Android Verified boot.;" \
+				"  avb init 0; " \
+				"  if avb verify; then " \
+				"    set bootargs $bootargs $avb_bootargs; " \
+				"    part start mmc 0 boot boot_start; " \
+				"    part size mmc 0 boot boot_size; " \
+				"    mmc read ${load_addr} ${boot_start} ${boot_size}; " \
+				"    bootm ${load_addr} ${load_addr} ${fdt_addr_r}; " \
+				"  else; " \
+				"    echo AVB verification failed.; " \
+				"    exit; " \
+				"  fi; " \
+				"elif part number mmc 0 system is_non_avb_android; then " \
+				"  booti ${kernel_addr_r} ${initrd_addr_r} ${fdt_addr_r};" \
+				"else;" \
+				"  echo Booting FIT image.;" \
+				"  bootm ${load_addr} ${load_addr} ${fdt_addr_r}; " \
+				"fi;"
+
+/* Monitor Command Prompt */
+#define CONFIG_SYS_CBSIZE		512	/* Console I/O Buffer Size */
+#define CONFIG_SYS_MAXARGS		64	/* max command args */
+
+#define CONFIG_SYS_FLASH_BASE		0x0C000000
+/* 256 x 256KiB sectors */
+#define CONFIG_SYS_MAX_FLASH_SECT	256
+
+#define CONFIG_SYS_FLASH_CFI_WIDTH	FLASH_CFI_32BIT
+#define CONFIG_SYS_MAX_FLASH_BANKS	1
+
+#define CONFIG_SYS_FLASH_EMPTY_INFO	/* flinfo indicates empty blocks */
+#define FLASH_MAX_SECTOR_SIZE		0x00040000
+
+#endif /* __TOTAL_COMPUTE_H */
diff --git a/include/configs/xenguest_arm64.h b/include/configs/xenguest_arm64.h
index db3059a..c44381e 100644
--- a/include/configs/xenguest_arm64.h
+++ b/include/configs/xenguest_arm64.h
@@ -9,8 +9,6 @@
 #include <linux/types.h>
 #endif
 
-#define CONFIG_BOARD_EARLY_INIT_F
-
 #define CONFIG_EXTRA_ENV_SETTINGS
 
 #undef CONFIG_NR_DRAM_BANKS
@@ -38,11 +36,6 @@
 
 #define CONFIG_OF_SYSTEM_SETUP
 
-#define CONFIG_CMDLINE_TAG            1
-#define CONFIG_INITRD_TAG             1
-
-#define CONFIG_CMD_RUN
-
 #undef CONFIG_EXTRA_ENV_SETTINGS
 #define CONFIG_EXTRA_ENV_SETTINGS	\
 	"loadimage=ext4load pvblock 0 0x90000000 /boot/Image;\0" \
diff --git a/include/xen/gnttab.h b/include/xen/gnttab.h
index db1d536..db61500 100644
--- a/include/xen/gnttab.h
+++ b/include/xen/gnttab.h
@@ -1,5 +1,4 @@
-/*
- * SPDX-License-Identifier: GPL-2.0
+/* SPDX-License-Identifier: GPL-2.0
  *
  * (C) 2006, Steven Smith <sos22@cam.ac.uk>
  * (C) 2006, Grzegorz Milos <gm281@cam.ac.uk>
diff --git a/lib/sscanf.c b/lib/sscanf.c
index d1e2dc2..4c35c03 100644
--- a/lib/sscanf.c
+++ b/lib/sscanf.c
@@ -555,7 +555,8 @@ literal:
 			if (flags & SUPPRESS) {
 				size_t sum = 0;
 
-				if ((n = inr) < width) {
+				n = inr;
+				if (n < width) {
 					sum += n;
 					width -= n;
 					inp += n;
diff --git a/test/py/tests/test_fs/test_squashfs/sqfs_common.py b/test/py/tests/test_fs/test_squashfs/sqfs_common.py
index 2dc344d..c96f92c 100644
--- a/test/py/tests/test_fs/test_squashfs/sqfs_common.py
+++ b/test/py/tests/test_fs/test_squashfs/sqfs_common.py
@@ -5,6 +5,7 @@
 import os
 import random
 import string
+import subprocess
 
 def sqfs_get_random_letters(size):
     letters = []
@@ -19,24 +20,57 @@ def sqfs_generate_file(path, size):
     file.write(content)
     file.close()
 
-# generate image with three files and a symbolic link
-def sqfs_generate_image(cons):
-    src = os.path.join(cons.config.build_dir, "sqfs_src/")
-    dest = os.path.join(cons.config.build_dir, "sqfs")
-    os.mkdir(src)
-    sqfs_generate_file(src + "frag_only", 100)
-    sqfs_generate_file(src + "blks_frag", 5100)
-    sqfs_generate_file(src + "blks_only", 4096)
-    os.symlink("frag_only", src + "sym")
-    os.system("mksquashfs " + src + " " + dest + " -b 4096 -always-use-fragments")
-
-# removes all files created by sqfs_generate_image()
-def sqfs_clean(cons):
-    src = os.path.join(cons.config.build_dir, "sqfs_src/")
-    dest = os.path.join(cons.config.build_dir, "sqfs")
-    os.remove(src + "frag_only")
-    os.remove(src + "blks_frag")
-    os.remove(src + "blks_only")
-    os.remove(src + "sym")
-    os.rmdir(src)
-    os.remove(dest)
+class Compression:
+    def __init__(self, name, files, sizes, block_size = 4096):
+        self.name = name
+        self.files = files
+        self.sizes = sizes
+        self.mksquashfs_opts = " -b " + str(block_size) + " -comp " + self.name
+
+    def add_opt(self, opt):
+        self.mksquashfs_opts += " " + opt
+
+    def gen_image(self, build_dir):
+        src = os.path.join(build_dir, "sqfs_src/")
+        os.mkdir(src)
+        for (f, s) in zip(self.files, self.sizes):
+            sqfs_generate_file(src + f, s)
+
+        # the symbolic link always targets the first file
+        os.symlink(self.files[0], src + "sym")
+
+        sqfs_img = os.path.join(build_dir, "sqfs-" + self.name)
+        i_o = src + " " + sqfs_img
+        opts = self.mksquashfs_opts
+        try:
+            subprocess.run(["mksquashfs " + i_o + opts], shell = True, check = True)
+        except:
+            print("mksquashfs error. Compression type: " + self.name)
+            raise RuntimeError
+
+    def clean_source(self, build_dir):
+        src = os.path.join(build_dir, "sqfs_src/")
+        for f in self.files:
+            os.remove(src + f)
+        os.remove(src + "sym")
+        os.rmdir(src)
+
+    def cleanup(self, build_dir):
+        self.clean_source(build_dir)
+        sqfs_img = os.path.join(build_dir, "sqfs-" + self.name)
+        os.remove(sqfs_img)
+
+files = ["blks_only", "blks_frag", "frag_only"]
+sizes = [4096, 5100, 100]
+gzip = Compression("gzip", files, sizes)
+zstd = Compression("zstd", files, sizes)
+lzo = Compression("lzo", files, sizes)
+
+# use fragment blocks for files larger than block_size
+gzip.add_opt("-always-use-fragments")
+zstd.add_opt("-always-use-fragments")
+
+# avoid fragments if lzo is used
+lzo.add_opt("-no-fragments")
+
+comp_opts = [gzip, zstd, lzo]
diff --git a/test/py/tests/test_fs/test_squashfs/test_sqfs_load.py b/test/py/tests/test_fs/test_squashfs/test_sqfs_load.py
index eb1baae..9e90062 100644
--- a/test/py/tests/test_fs/test_squashfs/test_sqfs_load.py
+++ b/test/py/tests/test_fs/test_squashfs/test_sqfs_load.py
@@ -12,23 +12,35 @@ from sqfs_common import *
 @pytest.mark.buildconfigspec('fs_squashfs')
 @pytest.mark.requiredtool('mksquashfs')
 def test_sqfs_load(u_boot_console):
-    cons = u_boot_console
-    sqfs_generate_image(cons)
+    build_dir = u_boot_console.config.build_dir
     command = "sqfsload host 0 $kernel_addr_r "
-    path = os.path.join(cons.config.build_dir, "sqfs")
 
-    try:
+    for opt in comp_opts:
+        # generate and load the squashfs image
+        try:
+            opt.gen_image(build_dir)
+        except RuntimeError:
+            opt.clean_source(build_dir)
+            # skip unsupported compression types
+            continue
+
+        path = os.path.join(build_dir, "sqfs-" + opt.name)
         output = u_boot_console.run_command("host bind 0 " + path)
+
         output = u_boot_console.run_command(command + "xxx")
         assert "File not found." in output
-        output = u_boot_console.run_command(command + "frag_only")
-        assert "100 bytes read in" in output
-        output = u_boot_console.run_command(command + "blks_frag")
-        assert "5100 bytes read in" in output
-        output = u_boot_console.run_command(command + "blks_only")
-        assert "4096 bytes read in" in output
+
+        for (f, s) in zip(opt.files, opt.sizes):
+            try:
+                output = u_boot_console.run_command(command + f)
+                assert str(s) in output
+            except:
+                assert False
+                opt.cleanup(build_dir)
+
+        # test symbolic link
         output = u_boot_console.run_command(command + "sym")
-        assert "100 bytes read in" in output
-    except:
-        sqfs_clean(cons)
-    sqfs_clean(cons)
+        assert str(opt.sizes[0]) in output
+
+        # remove generated files
+        opt.cleanup(build_dir)
diff --git a/test/py/tests/test_fs/test_squashfs/test_sqfs_ls.py b/test/py/tests/test_fs/test_squashfs/test_sqfs_ls.py
index 3a7b75c..a0dca2e 100644
--- a/test/py/tests/test_fs/test_squashfs/test_sqfs_ls.py
+++ b/test/py/tests/test_fs/test_squashfs/test_sqfs_ls.py
@@ -12,16 +12,25 @@ from sqfs_common import *
 @pytest.mark.buildconfigspec('fs_squashfs')
 @pytest.mark.requiredtool('mksquashfs')
 def test_sqfs_ls(u_boot_console):
-    cons = u_boot_console
-    sqfs_generate_image(cons)
-    path = os.path.join(cons.config.build_dir, "sqfs")
-    try:
+    build_dir = u_boot_console.config.build_dir
+    for opt in comp_opts:
+        try:
+            opt.gen_image(build_dir)
+        except RuntimeError:
+            opt.clean_source(build_dir)
+            # skip unsupported compression types
+            continue
+        path = os.path.join(build_dir, "sqfs-" + opt.name)
         output = u_boot_console.run_command("host bind 0 " + path)
-        output = u_boot_console.run_command("sqfsls host 0")
-        assert "4 file(s), 0 dir(s)" in output
-        assert "<SYM>   sym" in output
-        output = u_boot_console.run_command("sqfsls host 0 xxx")
-        assert "** Cannot find directory. **" in output
-    except:
-        sqfs_clean(cons)
-    sqfs_clean(cons)
+
+        try:
+            # list files in root directory
+            output = u_boot_console.run_command("sqfsls host 0")
+            assert str(len(opt.files) + 1) + " file(s), 0 dir(s)" in output
+            assert "<SYM>   sym" in output
+            output = u_boot_console.run_command("sqfsls host 0 xxx")
+            assert "** Cannot find directory. **" in output
+        except:
+            opt.cleanup(build_dir)
+            assert False
+        opt.cleanup(build_dir)