From: Stephen Warren <[email protected]> TrimSlice's USB1 port has two purposes; it either acts as a device port hosting Tegra's USB recovery protocol, or acts as a host port connected to the internal USB->SATA bridge chip, which may in turn be connected to an SSD or HDD. Add the appropriate device tree and board configuration options to enable this port as a host port, and route the port to the SATA bridge using the VBUS GPIO.
Signed-off-by: Stephen Warren <[email protected]> --- board/compulab/dts/tegra20-trimslice.dts | 3 ++- board/compulab/trimslice/trimslice.c | 8 ++++++++ include/configs/trimslice.h | 1 + 3 files changed, 11 insertions(+), 1 deletions(-) diff --git a/board/compulab/dts/tegra20-trimslice.dts b/board/compulab/dts/tegra20-trimslice.dts index db79e77..4450674 100644 --- a/board/compulab/dts/tegra20-trimslice.dts +++ b/board/compulab/dts/tegra20-trimslice.dts @@ -8,6 +8,7 @@ aliases { usb0 = "/usb@c5008000"; + usb1 = "/usb@c5000000"; }; memory { @@ -48,7 +49,7 @@ }; usb@c5000000 { - status = "disabled"; + nvidia,vbus-gpio = <&gpio 170 0>; /* PV2 */ }; usb@c5004000 { diff --git a/board/compulab/trimslice/trimslice.c b/board/compulab/trimslice/trimslice.c index 9ef66fd..8f4dd09 100644 --- a/board/compulab/trimslice/trimslice.c +++ b/board/compulab/trimslice/trimslice.c @@ -34,6 +34,14 @@ #include <mmc.h> #endif +void pin_mux_usb(void) +{ + /* + * USB1 internal/external mux GPIO, which masquerades as a VBUS GPIO + * in the current device tree. + */ + pinmux_tristate_disable(PINGRP_UAC); +} void pin_mux_spi(void) { diff --git a/include/configs/trimslice.h b/include/configs/trimslice.h index eeb0dbe..165bc73 100644 --- a/include/configs/trimslice.h +++ b/include/configs/trimslice.h @@ -80,6 +80,7 @@ #define CONFIG_ENV_OFFSET (512 * 1024) /* USB Host support */ +#define CONFIG_USB_MAX_CONTROLLER_COUNT 3 #define CONFIG_USB_EHCI #define CONFIG_USB_EHCI_TEGRA #define CONFIG_USB_STORAGE -- 1.7.0.4 _______________________________________________ U-Boot mailing list [email protected] http://lists.denx.de/mailman/listinfo/u-boot
