diff options
| author | Vanessa Maegima <vanessa.maegima@nxp.com> | 2016-06-13 13:01:38 -0300 |
|---|---|---|
| committer | Stefano Babic <sbabic@denx.de> | 2016-07-12 17:58:50 +0200 |
| commit | ca103e09960cb09a0501e558bfa9c921fb61d0bc (patch) | |
| tree | 012ee010efc1617d63e3dfc219f00d8b6690ba35 /board/technexion/pico-imx6ul/pico-imx6ul.c | |
| parent | d0daec670fc3747f99dce69bc508ef2cfc44e769 (diff) | |
pico-imx6ul: Add USB Host support
Add USB host support.
Tested by connecting a USB pen drive:
=> usb start
starting USB...
USB0: Port not available.
USB1: USB EHCI 1.00
scanning bus 1 for devices... 2 USB Device(s) found
scanning usb for storage devices... 1 Storage Device(s) found
Signed-off-by: Vanessa Maegima <vanessa.maegima@nxp.com>
Reviewed-by: Fabio Estevam <fabio.estevam@nxp.com>
Diffstat (limited to 'board/technexion/pico-imx6ul/pico-imx6ul.c')
| -rw-r--r-- | board/technexion/pico-imx6ul/pico-imx6ul.c | 24 |
1 files changed, 23 insertions, 1 deletions
diff --git a/board/technexion/pico-imx6ul/pico-imx6ul.c b/board/technexion/pico-imx6ul/pico-imx6ul.c index fc746ec965..b0b8f054c1 100644 --- a/board/technexion/pico-imx6ul/pico-imx6ul.c +++ b/board/technexion/pico-imx6ul/pico-imx6ul.c @@ -142,6 +142,9 @@ static iomux_v3_cfg_t const usdhc1_pads[] = { MX6_PAD_NAND_CLE__USDHC1_DATA7 | MUX_PAD_CTRL(USDHC_PAD_CTRL), }; +#define USB_OTHERREGS_OFFSET 0x800 +#define UCTRL_PWR_POL (1 << 9) + static iomux_v3_cfg_t const usb_otg_pad[] = { MX6_PAD_GPIO1_IO00__ANATOP_OTG1_ID | MUX_PAD_CTRL(OTG_ID_PAD_CTRL), }; @@ -181,7 +184,26 @@ int board_early_init_f(void) int board_usb_phy_mode(int port) { - return USB_INIT_DEVICE; + if (port == 1) + return USB_INIT_HOST; + else + return USB_INIT_DEVICE; +} + +int board_ehci_hcd_init(int port) +{ + u32 *usbnc_usb_ctrl; + + if (port > 1) + return -EINVAL; + + usbnc_usb_ctrl = (u32 *)(USB_BASE_ADDR + USB_OTHERREGS_OFFSET + + port * 4); + + /* Set Power polarity */ + setbits_le32(usbnc_usb_ctrl, UCTRL_PWR_POL); + + return 0; } int board_init(void) |