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tegra: usb: Add USB support to nvidia boards

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This adds basic USB support for port 0. The other port is not supported
yet.

Tegra2 (SeaBoard) # usb start
(Re)start USB...
USB:   Register 10011 NbrPorts 1
USB EHCI 1.00
scanning bus for devices... 5 USB Device(s) found
       scanning bus for storage devices... 1 Storage Device(s) found
Tegra2 (SeaBoard) # ext2load usb 0:3 10000000 /boot/vmlinuz
Loading file "/boot/vmlinuz" from usb device 0:3 (ROOT-A)
2932976 bytes read

Signed-off-by: Simon Glass <sjg@chromium.org>
Signed-off-by: Tom Warren <twarren@nvidia.com>
This commit is contained in:
Simon Glass 2012-02-27 10:52:50 +00:00 • committed by Albert ARIBAUD
parent 2866903b3e
commit f10393e501
3 changed files with 24 additions and 0 deletions
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6
board/nvidia/seaboard/seaboard.c
View file

@ -90,3 +90,9 @@ int board_mmc_init(bd_t *bd)
return 0;
}
#endif
void pin_mux_usb(void)
{
/* For USB's GPIO PD0. For now, since we have no pinmux in fdt */
pinmux_tristate_disable(PINGRP_SLXK);
}