On Thu, Nov 12, 2020 at 12:06:39PM -0600, richard.gong@xxxxxxxxxxxxxxx wrote: > From: Richard Gong <richard.gong@xxxxxxxxx> > > The customer wants to verify that a FPGA bitstream can be started properly > before saving the bitstream to the QSPI flash memory. > > The customer sends the bitstream via FPGA framework and overlay, the > firmware will authenticate the bitstream but not program the bitstream to > device. If the authentication passes, the bitstream will be programmed into > QSPI flash and will be expected to boot without issues. So when we have successfully reprogramed region with the FPGA_MGR_BITSTREM_AUTHENTICATION flag, the bitstream in QSPI flash is updated but not activated, we need an FPGA reboot to activate it, is it? Thanks, Yilun > > Extend FPGA manager and region drivers to support the bitstream > authentication feature. > > Richard Gong (4): > fpga: fpga-mgr: add FPGA_MGR_BITSTREM_AUTHENTICATION flag > fpga: of-fpga-region: add authenticate-fpga-config property > dt-bindings: fpga: add authenticate-fpga-config property > fpga: stratix10-soc: entend driver for bitstream authentication > > Documentation/devicetree/bindings/fpga/fpga-region.txt | 1 + > drivers/fpga/of-fpga-region.c | 3 +++ > drivers/fpga/stratix10-soc.c | 5 ++++- > include/linux/fpga/fpga-mgr.h | 3 +++ > 4 files changed, 11 insertions(+), 1 deletion(-) > > -- > 2.7.4