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path: root/src/soc/broadcom/cygnus/iomux.c
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2015-04-22broadcom/cygnus: Enable gpio on romstageIcarus Chau
BUG=chrome-os-partner:35936 BRANCH=broadcom-firmware TEST=When enable configuration CYGNUS_GPIO_TEST, print on console: Start gpio test... [gpio_crmu] gpio:0 set input [gpio_crmu] gpio:0 set pullup:0 GPIO get 170=0 gpio request enable pin=64 offset=0x1c .... GPIO set 69=1 [gpio_asiu] gpio:45 set, value:0 GPIO set 69=0 Gpio test completed... Additional test: Measure on GPIO 69 to confirm the voltage change. Apply voltage on AON_GPIO0 to check reading. Change-Id: I634cffccc7f0fa198317a92e3f1670ae6828892e Signed-off-by: Patrick Georgi <pgeorgi@chromium.org> Original-Commit-Id: 4784e5d88b9f7acb70bd6f6b12b1096f092f34b8 Original-Signed-off-by: Icarus Chau <ichau@broadcom.com> Original-Reviewed-on: https://chrome-internal-review.googlesource.com/204537 Original-Reviewed-by: Daisuke Nojiri <dnojiri@google.com> Original-Change-Id: Ia4f833be80d7844c2d014c9ffcf587d385e7766c Original-Reviewed-on: https://chromium-review.googlesource.com/263495 Original-Reviewed-by: Daisuke Nojiri <dnojiri@chromium.org> Original-Commit-Queue: Daisuke Nojiri <dnojiri@chromium.org> Original-Trybot-Ready: Daisuke Nojiri <dnojiri@chromium.org> Original-Tested-by: Daisuke Nojiri <dnojiri@chromium.org> Reviewed-on: http://review.coreboot.org/9907 Tested-by: build bot (Jenkins) Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>