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| author | Paul Kocialkowski <contact@paulk.fr> | 2016-02-27 18:19:10 (GMT) |
|---|---|---|
| committer | Tom Rini <trini@konsulko.com> | 2016-03-15 19:12:55 (GMT) |
| commit | bd55eedc07a7f3811cbbd4e934081b9a915af758 (patch) | |
| tree | 6146467d57fe4c392d96524aad629e797733061e /board/amazon/kc1 | |
| parent | 7c0a4b795589511a4880ca268d03a140551e5b4e (diff) | |
| download | u-boot-bd55eedc07a7f3811cbbd4e934081b9a915af758.tar.xz | |
kc1: Boot to bootloader (fastboot) on ID pin pull-up
USB ID pin pull-up indicates factory (fastboot) cable detection.
Signed-off-by: Paul Kocialkowski <contact@paulk.fr>
Diffstat (limited to 'board/amazon/kc1')
| -rw-r--r-- | board/amazon/kc1/kc1.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/board/amazon/kc1/kc1.c b/board/amazon/kc1/kc1.c index d526695..9367b50 100644 --- a/board/amazon/kc1/kc1.c +++ b/board/amazon/kc1/kc1.c @@ -86,11 +86,20 @@ int board_init(void) int misc_init_r(void) { char reboot_mode[2] = { 0 }; + u32 value; /* Reboot mode */ omap_reboot_mode(reboot_mode, sizeof(reboot_mode)); + /* USB ID pin pull-up indicates factory (fastboot) cable detection. */ + gpio_request(KC1_GPIO_USB_ID, "USB_ID"); + gpio_direction_input(KC1_GPIO_USB_ID); + value = gpio_get_value(KC1_GPIO_USB_ID); + + if (value) + reboot_mode[0] = 'b'; + if (reboot_mode[0] > 0 && isascii(reboot_mode[0])) { if (!getenv("reboot-mode")) setenv("reboot-mode", (char *)reboot_mode); |