diff --git a/Makefile b/Makefile
index b24502f..043d673 100755
--- a/Makefile
+++ b/Makefile
@@ -154,6 +154,7 @@ CONFIG_PLATFORM_AML_S905 = n
 CONFIG_PLATFORM_ZTE_ZX296716 = n
 CONFIG_PLATFORM_ARM_ODROIDC2 = n
 CONFIG_PLATFORM_PPC = n
+CONFIG_PLATFORM_PPC64LE = n
 ###############################################################
 
 CONFIG_DRVEXT_MODULE = n
@@ -1031,7 +1032,7 @@ EXTRA_CFLAGS += -DDM_ODM_SUPPORT_TYPE=0x04
 ifeq ($(CONFIG_PLATFORM_I386_PC), y)
 EXTRA_CFLAGS += -DCONFIG_LITTLE_ENDIAN
 EXTRA_CFLAGS += -DCONFIG_IOCTL_CFG80211 -DRTW_USE_CFG80211_STA_EVENT
-SUBARCH := $(shell uname -m | sed -e "s/i.86/i386/; s/ppc/powerpc/; s/armv.l/arm/; s/aarch64/arm64/;")
+SUBARCH := $(shell uname -m | sed -e "s/i.86/i386/; s/ppc64le/powerpc/; s/ppc/powerpc/; s/armv.l/arm/; s/aarch64/arm64/;")
 ARCH ?= $(SUBARCH)
 CROSS_COMPILE ?=
 KVER  := $(shell uname -r)
@@ -1085,6 +1086,17 @@ MODDESTDIR := /lib/modules/$(KVER)/kernel/drivers/net/wireless/
 INSTALL_PREFIX :=
 endif
 
+ifeq ($(CONFIG_PLATFORM_PPC64LE), y)
+EXTRA_CFLAGS += -DCONFIG_LITTLE_ENDIAN
+SUBARCH := $(shell uname -m | sed -e s/ppc64le/powerpc/)
+ARCH ?= $(SUBARCH)
+CROSS_COMPILE ?=
+KVER ?= $(shell uname -r)
+KSRC := /lib/modules/$(KVER)/build
+MODDESTDIR := /lib/modules/$(KVER)/kernel/drivers/net/wireless/
+INSTALL_PREFIX :=
+endif
+
 ifeq ($(CONFIG_PLATFORM_NV_TK1), y)
 EXTRA_CFLAGS += -DCONFIG_PLATFORM_NV_TK1
 EXTRA_CFLAGS += -DCONFIG_LITTLE_ENDIAN
diff --git a/os_dep/linux/ioctl_cfg80211.c b/os_dep/linux/ioctl_cfg80211.c
index 3acf030..01fab29 100644
--- a/os_dep/linux/ioctl_cfg80211.c
+++ b/os_dep/linux/ioctl_cfg80211.c
@@ -686,18 +686,12 @@ static int rtw_cfg80211_sync_iftype(_adapter *adapter)
 
 static u64 rtw_get_systime_us(void)
 {
-#if (LINUX_VERSION_CODE >= KERNEL_VERSION(5, 6, 0))
-	struct timespec64 ts;
-#elif (LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 39))
+#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 39) && LINUX_VERSION_CODE < KERNEL_VERSION(4, 20, 0))
 	struct timespec ts;
-#if (LINUX_VERSION_CODE >= KERNEL_VERSION(5, 6, 0))
-	getboottime64(&ts);
-#elif (LINUX_VERSION_CODE >= KERNEL_VERSION(4, 20, 0))
-	getboottime(&ts);
-#else
 	get_monotonic_boottime(&ts);
-#endif
 	return ((u64)ts.tv_sec * 1000000) + ts.tv_nsec / 1000;
+#elif (LINUX_VERSION_CODE >= KERNEL_VERSION(4, 20, 0))
+	return ktime_to_us(ktime_get_boottime());
 #else
 	struct timeval tv;
 	do_gettimeofday(&tv);