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-rw-r--r--carl9170fw/minifw/CMakeLists.txt20
-rw-r--r--carl9170fw/minifw/Kconfig3
-rw-r--r--carl9170fw/minifw/miniboot.S7
-rw-r--r--carl9170fw/minifw/miniboot.lds20
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
+}