diff options
Diffstat (limited to 'mpm/python/n3xx_bist')
| -rwxr-xr-x | mpm/python/n3xx_bist | 13 |
1 files changed, 7 insertions, 6 deletions
diff --git a/mpm/python/n3xx_bist b/mpm/python/n3xx_bist index a8bda66f5..1202fe121 100755 --- a/mpm/python/n3xx_bist +++ b/mpm/python/n3xx_bist @@ -472,8 +472,8 @@ class N3XXBIST(bist.UsrpBIST): - read_patterns: A list of patterns that were read back """ assert 'gpio' in self.tests_to_run - # patterns = list(range(64)) - GPIO_WIDTH = 12 + # Our FP-GPIO has 12 programmable pins + gpio_width = 12 patterns = range(64) if self.args.dry_run: return True, { @@ -484,16 +484,17 @@ class N3XXBIST(bist.UsrpBIST): gpio_tca6424 = n3xx_periphs.TCA6424(self.mb_rev) gpio_tca6424.set("FPGA-GPIO-EN") mb_regs = n3xx_periphs.MboardRegsControl(n3xx.n3xx.mboard_regs_label, self.log) + # We set all 12 pins to be driven by the PS mb_regs.set_fp_gpio_master(0xFFF) # Allow some time for the front-panel GPIOs to become usable time.sleep(.5) - ddr1 = 0x03f - ddr2 = 0xfc0 + ddr1 = 0x03f # Lower 6 pins are outputs + ddr2 = 0xfc0 # Upper 6 pins are inputs def _run_gpio(ddr, patterns): " Run a GPIO test for a given set of patterns " gpio_ctrl = n3xx_periphs.FrontpanelGPIO(ddr) for pattern in patterns: - bist.gpio_set_all(gpio_ctrl, pattern, GPIO_WIDTH, ddr) + bist.gpio_set_all(gpio_ctrl, pattern, gpio_width, ddr) time.sleep(0.1) gpio_rb = gpio_ctrl.get_all() if pattern != gpio_rb: @@ -502,7 +503,7 @@ class N3XXBIST(bist.UsrpBIST): return True, {'write_patterns': list(patterns), 'read_patterns': list(patterns)} status, data = _run_gpio(ddr1, patterns) - if not status: + if not status: return status, data status, data = _run_gpio(ddr2, patterns) return status, data |