Re: [U-Boot] [PATCH] pico-imx6ul: Add USB Host support

[Stefano Babic]

On 11/07/2016 14:41, Fabio Estevam wrote:
> Hi Stefano,
> 
> On Mon, Jun 13, 2016 at 1:49 PM, Fabio Estevam  wrote:
>> On Mon, Jun 13, 2016 at 1:01 PM, Vanessa Maegima
>>  wrote:
>>> 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 
>>
>> Reviewed-by: Fabio Estevam 
> 
> Looks like this one did not go into your -next branch yet.
> 
> Please consider applying it if you are happy with it.
> 

Ok, thnaks - I will push it.

Regards,
Stefano

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Re: [U-Boot] [PATCH] pico-imx6ul: Add USB Host support

[Fabio Estevam]

Hi Stefano,

On Mon, Jun 13, 2016 at 1:49 PM, Fabio Estevam  wrote:
> On Mon, Jun 13, 2016 at 1:01 PM, Vanessa Maegima
>  wrote:
>> 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 
>
> Reviewed-by: Fabio Estevam 

Looks like this one did not go into your -next branch yet.

Please consider applying it if you are happy with it.

Thanks
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Re: [U-Boot] [PATCH] pico-imx6ul: Add USB Host support

[Fabio Estevam]

On Mon, Jun 13, 2016 at 1:01 PM, Vanessa Maegima
 wrote:
> 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 

Reviewed-by: Fabio Estevam 
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[U-Boot] [PATCH] pico-imx6ul: Add USB Host support

[Vanessa Maegima]

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 
---
 board/technexion/pico-imx6ul/pico-imx6ul.c | 24 +++-
 include/configs/pico-imx6ul.h  |  2 +-
 2 files changed, 24 insertions(+), 2 deletions(-)

diff --git a/board/technexion/pico-imx6ul/pico-imx6ul.c 
b/board/technexion/pico-imx6ul/pico-imx6ul.c
index c038d43..bdf32f4 100644
--- a/board/technexion/pico-imx6ul/pico-imx6ul.c
+++ b/board/technexion/pico-imx6ul/pico-imx6ul.c
@@ -59,6 +59,9 @@ 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),
 };
@@ -98,7 +101,26 @@ 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)
diff --git a/include/configs/pico-imx6ul.h b/include/configs/pico-imx6ul.h
index d848ead..01edc03 100644
--- a/include/configs/pico-imx6ul.h
+++ b/include/configs/pico-imx6ul.h
@@ -42,7 +42,7 @@
 #define CONFIG_EHCI_HCD_INIT_AFTER_RESET
 #define CONFIG_MXC_USB_PORTSC  (PORT_PTS_UTMI | PORT_PTS_PTW)
 #define CONFIG_MXC_USB_FLAGS   0
-#define CONFIG_USB_MAX_CONTROLLER_COUNT1 /* Only OTG1 port enabled */
+#define CONFIG_USB_MAX_CONTROLLER_COUNT2
 
 #define CONFIG_CI_UDC
 #define CONFIG_USBD_HS
-- 
1.9.1

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