diff options
| -rw-r--r-- | util/flash_fp_mcu | 11 |
1 files changed, 9 insertions, 2 deletions
diff --git a/util/flash_fp_mcu b/util/flash_fp_mcu index 76965470a9..db9004c3f8 100644 --- a/util/flash_fp_mcu +++ b/util/flash_fp_mcu @@ -227,12 +227,19 @@ config_hatch() { check_gpio_chip_exists "gpiochip200" readonly SPIDEV="/dev/spidev1.1" + + # See + # third_party/coreboot/src/soc/intel/cannonlake/include/soc/gpio_soc_defs.h + # for pin name to number mapping. + # Examine `cat /sys/kernel/debug/pinctrl/INT34BB:00/gpio-ranges` on a hatch + # device to determine gpio number from pin number. + # FPMCU RST_ODL is on GPP_A12 = 200 + 12 = 212 readonly GPIO_NRST=212 # FPMCU BOOT0 is on GPP_A22 = 200 + 22 = 222 readonly GPIO_BOOT0=222 - # No PWREN GPIO on Hatch, FPMCU is always on - readonly GPIO_PWREN="" + # FP_PWR_EN is on GPP_C11 = 456 + (192 - 181) = 456 + 11 = 467 + readonly GPIO_PWREN=467 } config_nami() { |