Hardware
/
litex
mirror of https://github.com/enjoy-digital/litex.git
1
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity

build/openocd: add set_qe parameter to flash 

QE bit is not set on blank SPI flashes and need to be set when SPI X4 is enabled in the bistream to load the FPGA.
This commit is contained in:
Florent Kermarrec 2019-09-12 17:07:56 +02:00
parent 6a0a1c9d87
commit c120f6d457
1 changed files with 2 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

3
litex/build/openocd.py
View File

@ -24,11 +24,12 @@ class OpenOCD(GenericProgrammer):
]) ])
subprocess.call(["openocd", "-f", self.config, "-c", script]) subprocess.call(["openocd", "-f", self.config, "-c", script])
def flash(self, address, data): def flash(self, address, data, set_qe=False):
flash_proxy = self.find_flash_proxy() flash_proxy = self.find_flash_proxy()
script = "; ".join([ script = "; ".join([
"init", "init",
"jtagspi_init 0 {{{}}}".format(flash_proxy), "jtagspi_init 0 {{{}}}".format(flash_proxy),
"jtagspi set_qe 0 1" if set_qe else "",
"jtagspi_program {{{}}} 0x{:x}".format(data, address), "jtagspi_program {{{}}} 0x{:x}".format(data, address),
"fpga_program", "fpga_program",
"exit" "exit"