SystemConfig

1. toolchain

   • https://sourcery.mentor.com/GNUToolchain/release858
   • wget https://sourcery.mentor.com/GNUToolchain/package4571/public/arm-none-linux-gnueabi/arm-2009q1-203-arm-none-linux-gnueabi-i686-pc-linux-gnu.tar.bz2
   • tar xjf arm-2009q1-203-arm-none-linux-gnueabi-i686-pc-linux-gnu.tar.bz2

2. kernel

   • git clone git@github.com:cambridgehackers/device_xilinx_kernel.git
   • cd device_xilinx_kernel/
   • git checkout remotes/origin/december -b december

3. compile

   • cd s/git/device_xilinx_kernel/
   • git status
   • make ARCH=arm CROSS_COMPILE=arm-none-linux-gnueabi- xilinx_zynq_defconfig
   • make ARCH=arm CROSS_COMPILE=arm-none-linux-gnueabi-
   • ./scripts/dtc/dtc -I dts -O dtb -o foo.dtb arch/arm/boot/dts/zynq-zc702-bridge.dts

4. load

   • cp arch/arm/boot/zImage foo.dtb ~

5. Debugging clocks

   • mount -t debugfs none /sys/kernel/debug/
   • /sys/kernel/debug/clk/PS_CLK/IOPLL/FPGA1_CLK