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USB: mx51evk: add end enable USB host support on port 1
Signed-off-by: Wolfgang Grandegger <wg@denx.de> Cc: Stefano Babic <sbabic@denx.de> Cc: Remy Bohmer <linux@bohmer.net> Cc: Wolfgang Grandegger <wg@denx.de> Cc: Jason Liu <r64343@freescale.com>
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2 changed files with 75 additions and 0 deletions
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@ -35,6 +35,7 @@
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#include <pmic.h>
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#include <fsl_pmic.h>
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#include <mc13892.h>
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#include <usb/ehci-fsl.h>
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DECLARE_GLOBAL_DATA_PTR;
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@ -172,6 +173,64 @@ static void setup_iomux_spi(void)
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}
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#endif
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#ifdef CONFIG_USB_EHCI_MX5
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#define MX51EVK_USBH1_HUB_RST IOMUX_TO_GPIO(MX51_PIN_GPIO1_7) /* GPIO1_7 */
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#define MX51EVK_USBH1_STP IOMUX_TO_GPIO(MX51_PIN_USBH1_STP) /* GPIO1_27 */
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#define MX51EVK_USB_CLK_EN_B IOMUX_TO_GPIO(MX51_PIN_EIM_D18) /* GPIO2_1 */
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#define MX51EVK_USB_PHY_RESET IOMUX_TO_GPIO(MX51_PIN_EIM_D21) /* GPIO2_5 */
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#define USBH1_PAD (PAD_CTL_SRE_FAST | PAD_CTL_DRV_HIGH | \
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PAD_CTL_100K_PU | PAD_CTL_PUE_PULL | \
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PAD_CTL_PKE_ENABLE | PAD_CTL_HYS_ENABLE)
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#define GPIO_PAD (PAD_CTL_DRV_HIGH | PAD_CTL_PKE_ENABLE | \
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PAD_CTL_SRE_FAST)
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#define NO_PAD (1 << 16)
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static void setup_usb_h1(void)
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{
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setup_iomux_usb_h1();
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/* GPIO_1_7 for USBH1 hub reset */
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mxc_request_iomux(MX51_PIN_GPIO1_7, IOMUX_CONFIG_ALT0);
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mxc_iomux_set_pad(MX51_PIN_GPIO1_7, NO_PAD);
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/* GPIO_2_1 */
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mxc_request_iomux(MX51_PIN_EIM_D17, IOMUX_CONFIG_ALT1);
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mxc_iomux_set_pad(MX51_PIN_EIM_D17, GPIO_PAD);
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/* GPIO_2_5 for USB PHY reset */
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mxc_request_iomux(MX51_PIN_EIM_D21, IOMUX_CONFIG_ALT1);
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mxc_iomux_set_pad(MX51_PIN_EIM_D21, GPIO_PAD);
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}
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void board_ehci_hcd_init(int port)
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{
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/* Set USBH1_STP to GPIO and toggle it */
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mxc_request_iomux(MX51_PIN_USBH1_STP, IOMUX_CONFIG_GPIO);
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mxc_iomux_set_pad(MX51_PIN_USBH1_STP, USBH1_PAD);
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gpio_direction_output(MX51EVK_USBH1_STP, 0);
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gpio_direction_output(MX51EVK_USB_PHY_RESET, 0);
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mdelay(10);
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gpio_set_value(MX51EVK_USBH1_STP, 1);
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/* Set back USBH1_STP to be function */
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mxc_request_iomux(MX51_PIN_USBH1_STP, IOMUX_CONFIG_ALT0);
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mxc_iomux_set_pad(MX51_PIN_USBH1_STP, USBH1_PAD);
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/* De-assert USB PHY RESETB */
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gpio_set_value(MX51EVK_USB_PHY_RESET, 1);
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/* Drive USB_CLK_EN_B line low */
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gpio_direction_output(MX51EVK_USB_CLK_EN_B, 0);
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/* Reset USB hub */
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gpio_direction_output(MX51EVK_USBH1_HUB_RST, 0);
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mdelay(2);
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gpio_set_value(MX51EVK_USBH1_HUB_RST, 1);
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}
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#endif
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static void power_init(void)
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{
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unsigned int val;
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@ -394,6 +453,9 @@ int board_early_init_f(void)
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{
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setup_iomux_uart();
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setup_iomux_fec();
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#ifdef CONFIG_USB_EHCI_MX5
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setup_usb_h1();
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#endif
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return 0;
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}
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@ -110,6 +110,19 @@
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#define CONFIG_CMD_MII
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#define CONFIG_CMD_NET
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/* USB Configs */
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#define CONFIG_CMD_USB
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#define CONFIG_CMD_FAT
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#define CONFIG_USB_EHCI
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#define CONFIG_USB_EHCI_MX5
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#define CONFIG_USB_STORAGE
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#define CONFIG_USB_HOST_ETHER
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#define CONFIG_USB_ETHER_ASIX
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#define CONFIG_USB_ETHER_SMSC95XX
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#define CONFIG_MXC_USB_PORT 1
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#define CONFIG_MXC_USB_PORTSC PORT_PTS_ULPI
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#define CONFIG_MXC_USB_FLAGS MXC_EHCI_POWER_PINS_ENABLED
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/* allow to overwrite serial and ethaddr */
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#define CONFIG_ENV_OVERWRITE
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#define CONFIG_CONS_INDEX 1
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