4 files changed, 50 insertions, 0 deletions
diff --git a/carl9170fw/minifw/CMakeLists.txt b/carl9170fw/minifw/CMakeLists.txt
new file mode 100644
index 0000000..adf5e08
--- /dev/null
+++ b/carl9170fw/minifw/CMakeLists.txt
@@ -0,0 +1,20 @@
+cmake_minimum_required(VERSION 2.8)
+
+project(miniboot.fw)
+
+include("../extra/sh-elf-linux.cmake")
+include("../config.cmake")
+
+set(miniboot_src miniboot.S)
+set_source_files_properties(miniboot.S PROPERTIES LANGUAGE C)
+
+add_executable(miniboot.elf miniboot.S)
+
+set_target_properties(miniboot.elf PROPERTIES LINKER_LANGUAGE C)
+
+set_target_properties(miniboot.elf PROPERTIES LINK_FLAGS "-Tminiboot.lds")
+
+add_custom_target(
+	miniboot.fw ALL
+	${OBJCOPY} --strip-unneeded -O binary -R .sram -R .eeprom -R .fwdsc miniboot.elf miniboot.fw
+	DEPENDS miniboot.elf)
diff --git a/carl9170fw/minifw/Kconfig b/carl9170fw/minifw/Kconfig
new file mode 100644
index 0000000..f429bd2
--- /dev/null
+++ b/carl9170fw/minifw/Kconfig
@@ -0,0 +1,3 @@
+config CARL9170FW_BUILD_MINIBOOT
+	def_bool y
+	prompt "Build MiniBoot Firmware Header"
diff --git a/carl9170fw/minifw/miniboot.S b/carl9170fw/minifw/miniboot.S
new file mode 100644
index 0000000..e5d598e
--- /dev/null
+++ b/carl9170fw/minifw/miniboot.S
@@ -0,0 +1,7 @@
+	.globl _start
+	.type  _start, @function
+	.section ".boot", "ax"
+	_start:
+		mov.l startcode, r0
+		jmp @r0
+startcode:	.long 0x00000008
diff --git a/carl9170fw/minifw/miniboot.lds b/carl9170fw/minifw/miniboot.lds
new file mode 100644
index 0000000..51e5ac4
--- /dev/null
+++ b/carl9170fw/minifw/miniboot.lds
@@ -0,0 +1,20 @@
+ENTRY(_start);
+
+MEMORY
+{
+    pram     : ORIGIN = 0x200000, LENGTH = 16k
+}
+
+SECTIONS
+{
+	.padding : {
+		/* NOP NOP just in case */
+		LONG(0x00090009)
+	} > pram
+
+	.boot   : { *(.boot) } > pram
+	.text	: { *(.text*) } > pram
+	.rodata	: { *(.rodata*) } > pram
+	.bss	: { *(.bss) } > pram
+	.data	: { *(.data*) } > pram
+}