diff --git a/.gitmodules b/.gitmodules
new file mode 100644
index 0000000..dcb7c6e
--- /dev/null
+++ b/.gitmodules
@@ -0,0 +1,3 @@
+[submodule "spiflash"]
+	path = spiflash
+	url = https://github.com/ultraembedded/core_spiflash
diff --git a/README.md b/README.md
index 766fa40..360bf71 100644
--- a/README.md
+++ b/README.md
@@ -2,6 +2,11 @@
 
 Github:   [http://github.com/ultraembedded/cores](https://github.com/ultraembedded/cores/tree/master)
 
+#### Cloning
+```
+git clone --recursive https://github.com/ultraembedded/cores.git
+
+```
 
 #### Catalogue
 
@@ -14,6 +19,7 @@ Github:   [http://github.com/ultraembedded/cores](https://github.com/ultraembedd
 | irq_ctrl | Simple Linux support interrupt controller |
 | sdram | Simple SDRAM Controller |
 | spdif | SPDIF Transmitter |
+| spiflash | SPI-Flash XIP Interface |
 | spilite_axi4l | SPI-Lite SPI Master Interface |
 | uart | UART |
 | ulpi_wrapper | ULPI Link Wrapper |
diff --git a/spiflash b/spiflash
new file mode 160000
index 0000000..56d1094
--- /dev/null
+++ b/spiflash
@@ -0,0 +1 @@
+Subproject commit 56d10946bec85a312e08542e1910b5bf235b9a8c