diff --git a/fix-extlinux-kconfig-preboot.patch b/fix-extlinux-kconfig-preboot.patch
index 0353ab7..015a4de 100644
--- a/fix-extlinux-kconfig-preboot.patch
+++ b/fix-extlinux-kconfig-preboot.patch
@@ -9,12 +9,12 @@ index 74743a5e..2e1f7fa9 100644
 +CONFIG_USE_PREBOOT=y
 +CONFIG_PREBOOT="setenv fdt_addr ${fdtcontroladdr}; fdt addr ${fdtcontroladdr};"
 diff --git a/configs/sifive_fu540_defconfig b/configs/sifive_fu540_defconfig
-index f1920374..5ff8e099 100644
+index 48865e5f..a8525793 100644
 --- a/configs/sifive_fu540_defconfig
 +++ b/configs/sifive_fu540_defconfig
-@@ -9,3 +9,5 @@ CONFIG_DISPLAY_CPUINFO=y
+@@ -9,3 +9,5 @@ CONFIG_MISC_INIT_R=y
+ CONFIG_DISPLAY_CPUINFO=y
  CONFIG_DISPLAY_BOARDINFO=y
- CONFIG_MISC_INIT_R=y
  CONFIG_OF_PRIOR_STAGE=y
 +CONFIG_USE_PREBOOT=y
 +CONFIG_PREBOOT="setenv fdt_addr ${fdtcontroladdr}; fdt addr ${fdtcontroladdr};"
diff --git a/fu540-boot-mmc-pxe.patch b/fu540-boot-mmc-pxe.patch
new file mode 100644
index 0000000..cc06b5c
--- /dev/null
+++ b/fu540-boot-mmc-pxe.patch
@@ -0,0 +1,13 @@
+diff --git a/include/configs/sifive-fu540.h b/include/configs/sifive-fu540.h
+index ba4aa065..7eedc765 100644
+--- a/include/configs/sifive-fu540.h
++++ b/include/configs/sifive-fu540.h
+@@ -26,6 +26,8 @@
+ #define CONFIG_ENV_SIZE			SZ_128K
+ 
+ #define BOOT_TARGET_DEVICES(func) \
++	func(MMC, mmc, 0) \
++	func(PXE, pxe, na) \
+ 	func(DHCP, dhcp, na)
+ 
+ #include <config_distro_bootcmd.h>
diff --git a/sources b/sources
index e52d8c7..a0d1eae 100644
--- a/sources
+++ b/sources
@@ -1 +1 @@
-SHA512 (u-boot-2019.10-rc2.tar.bz2) = 5a9173a1bd945736c8e0c1797b4c8fdd9833fc4e04d6b0e562c2018884da9bc10c110231b690450fb2761e19cd19ab24fc8744000c901f416ba2936c8278799e
+SHA512 (u-boot-2019.10-rc3.tar.bz2) = 598a6637fdbd62f30a3c4f73f0e89022c6c92b9ec93f4c4215547f54493ff17b2a0b127328ad6e1561e451b3cddca89f168f8adfe4cc59f8125fc70787d8cf4c
diff --git a/uboot-tools.spec b/uboot-tools.spec
index 23eff58..5e3af2e 100644
--- a/uboot-tools.spec
+++ b/uboot-tools.spec
@@ -30,6 +30,7 @@ Patch9:    arm-tegra-defaine-fdtfile-for-all-devices.patch
 
 Patch20:   fix-extlinux-kconfig-preboot.patch
 Patch21:   env-fix-build-error-for-envtools.patch
+Patch22:   fu540-boot-mmc-pxe.patch
 
 BuildRequires:  bc
 BuildRequires:  dtc