Turns on the LED on MIO7 on the Zedboard to have a signal Signed-off-by: Michael Graichen <michael.graichen@xxxxxxxxxxx> --- arch/arm/boards/avnet-zedboard/lowlevel.c | 10 ++++++++++ 1 file changed, 10 insertions(+) diff --git a/arch/arm/boards/avnet-zedboard/lowlevel.c b/arch/arm/boards/avnet-zedboard/lowlevel.c index b8001fcf6..eb85df507 100644 --- a/arch/arm/boards/avnet-zedboard/lowlevel.c +++ b/arch/arm/boards/avnet-zedboard/lowlevel.c @@ -306,6 +306,16 @@ ENTRY_FUNCTION(start_avnet_zedboard, r0, r1, r2) void *fdt = __dtb_zynq_zed_start + get_runtime_offset(); + /* MIO_07 in GPIO Mode 3.3V VIO, can be uncomented because it is the default value */ + writel(0x0000DF0D, ZYNQ_SLCR_UNLOCK); + writel(0x00000600, 0xF800071C ); + writel(0x0000767B, ZYNQ_SLCR_LOCK); + + /* turns on the LED MIO_07 */ + writel((1<<7), 0xe000a204 ); // Direction + writel((1<<7), 0xe000a208 ); // Output enable + writel((1<<7), 0xe000a040 ); // DATA Register + arm_cpu_lowlevel_init(); zynq_cpu_lowlevel_init(); -- 2.17.1 _______________________________________________ barebox mailing list barebox@xxxxxxxxxxxxxxxxxxx http://lists.infradead.org/mailman/listinfo/barebox
