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 --- Changes in v2: - Add setting of pinmux for USB VBUS GPIO
board/nvidia/common/board.c | 8 ++++++++ 1 files changed, 8 insertions(+), 0 deletions(-)
diff --git a/board/nvidia/common/board.c b/board/nvidia/common/board.c index f39fb24..c7a33c3 100644 --- a/board/nvidia/common/board.c +++ b/board/nvidia/common/board.c @@ -32,6 +32,7 @@ #include <asm/arch/pinmux.h> #include <asm/arch/uart.h> #include <spi.h> +#include <asm/arch/usb.h> #include "board.h"
DECLARE_GLOBAL_DATA_PTR; @@ -125,6 +126,13 @@ int board_init(void) /* boot param addr */ gd->bd->bi_boot_params = (NV_PA_SDRAM_BASE + 0x100);
+#ifdef CONFIG_USB_EHCI_TEGRA + /* For USB GPIO PD0. for now, since we have no pinmux in fdt */ + pinmux_tristate_disable(PINGRP_SLXK); + + board_usb_init(gd->fdt_blob); +#endif + return 0; }