Re: [U-Boot] [PATCH 3/3] M28: Disable USB power on boot

On Tue, May 22, 2012 at 8:32 PM, Marek Vasut marex@denx.de wrote:

void board_init_ll(void)  {

• /* Powerdown the USB */
• mxs_iomux_setup_pad(MX28_PAD_SSP2_SS1__USB1_OVERCURRENT);
• mxs_iomux_setup_pad(MX28_PAD_AUART3_TX__GPIO_3_13 |
• MXS_PAD_12MA | MXS_PAD_3V3 | MXS_PAD_PULLUP);
• gpio_direction_output(MX28_PAD_AUART3_TX__GPIO_3_13, 1);

I don't have access to the m28evk schematics, but please double check if you really need to set this pin to '1' to powerdown the USB, or if this should be a '0' instead.