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 <s...@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;
}
--
1.7.3.1
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