[U-Boot] [PATCH] mx7dsabresd: Make 'ums' command functional

[Stefano Babic]

On 17/02/2016 16:34, Fabio Estevam wrote:
> When running the 'ums' command we get:
> 
> => ums 0 mmc 0
> UMS: disk start sector: 0x0, count: 0xe18000
> g_dnl_register: failed!, error: -22
> ERROR: g_dnl_register failed
> at common/cmd_usb_mass_storage.c:107/do_usb_mass_storage()
> 
> Fix this by initializing USB OTG1 port as USB device mode instead of host.
> 
> Signed-off-by: Fabio Estevam <fabio.estevam at nxp.com>
> ---
>  board/freescale/mx7dsabresd/mx7dsabresd.c | 41 ++++++++++++++-----------------
>  1 file changed, 18 insertions(+), 23 deletions(-)
> 
> diff --git a/board/freescale/mx7dsabresd/mx7dsabresd.c b/board/freescale/mx7dsabresd/mx7dsabresd.c
> index fee24e2..4d0b195 100644
> --- a/board/freescale/mx7dsabresd/mx7dsabresd.c
> +++ b/board/freescale/mx7dsabresd/mx7dsabresd.c
> @@ -23,6 +23,7 @@
>  #include <i2c.h>
>  #include <asm/imx-common/mxc_i2c.h>
>  #include <asm/arch/crm_regs.h>
> +#include <usb.h>
>  #include <usb/ehci-fsl.h>
>  
>  DECLARE_GLOBAL_DATA_PTR;
> @@ -111,6 +112,14 @@ static iomux_v3_cfg_t const usdhc3_emmc_pads[] = {
>  	MX7D_PAD_SD3_RESET_B__GPIO6_IO11 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
>  };
>  
> +static iomux_v3_cfg_t const usb_otg1_pads[] = {
> +	MX7D_PAD_GPIO1_IO05__USB_OTG1_PWR | MUX_PAD_CTRL(NO_PAD_CTRL),
> +};
> +
> +static iomux_v3_cfg_t const usb_otg2_pads[] = {
> +	MX7D_PAD_UART3_CTS_B__USB_OTG2_PWR | MUX_PAD_CTRL(NO_PAD_CTRL),
> +};
> +
>  #define IOX_SDI IMX_GPIO_NR(1, 9)
>  #define IOX_STCP IMX_GPIO_NR(1, 12)
>  #define IOX_SHCP IMX_GPIO_NR(1, 13)
> @@ -511,6 +520,10 @@ int board_early_init_f(void)
>  	setup_iomux_uart();
>  
>  	setup_i2c(0, CONFIG_SYS_I2C_SPEED, 0x7f, &i2c_pad_info1);
> +	imx_iomux_v3_setup_multiple_pads(usb_otg1_pads,
> +					 ARRAY_SIZE(usb_otg1_pads));
> +	imx_iomux_v3_setup_multiple_pads(usb_otg2_pads,
> +					 ARRAY_SIZE(usb_otg2_pads));
>  
>  	return 0;
>  }
> @@ -602,29 +615,11 @@ int checkboard(void)
>  }
>  
>  #ifdef CONFIG_USB_EHCI_MX7
> -static iomux_v3_cfg_t const usb_otg1_pads[] = {
> -	MX7D_PAD_GPIO1_IO05__USB_OTG1_PWR | MUX_PAD_CTRL(NO_PAD_CTRL),
> -};
> -
> -static iomux_v3_cfg_t const usb_otg2_pads[] = {
> -	MX7D_PAD_UART3_CTS_B__USB_OTG2_PWR | MUX_PAD_CTRL(NO_PAD_CTRL),
> -};
> -
> -int board_ehci_hcd_init(int port)
> +int board_usb_phy_mode(int port)
>  {
> -	switch (port) {
> -	case 0:
> -		imx_iomux_v3_setup_multiple_pads(usb_otg1_pads,
> -						 ARRAY_SIZE(usb_otg1_pads));
> -		break;
> -	case 1:
> -		imx_iomux_v3_setup_multiple_pads(usb_otg2_pads,
> -						 ARRAY_SIZE(usb_otg2_pads));
> -		break;
> -	default:
> -		printf("MXC USB port %d not yet supported\n", port);
> -		return -EINVAL;
> -	}
> -	return 0;
> +	if (port == 0)
> +		return USB_INIT_DEVICE;
> +	else
> +		return USB_INIT_HOST;
>  }
>  #endif
> 

Applied to u-boot-imx, thanks !

Best regards,
Stefano Babic

-- 
=====================================================================
DENX Software Engineering GmbH,      Managing Director: Wolfgang Denk
HRB 165235 Munich, Office: Kirchenstr.5, D-82194 Groebenzell, Germany
Phone: +49-8142-66989-53 Fax: +49-8142-66989-80 Email: sbabic at denx.de
=====================================================================