Add USB support.
Signed-off-by: Otavio Salvador otavio@ossystems.com.br ---
Changes in v2: - Use plan gpio API call (Marek)
board/congatec/cgtqmx6eval/cgtqmx6eval.c | 44 ++++++++++++++++++++++++++++++++ include/configs/cgtqmx6eval.h | 15 +++++++++++ 2 files changed, 59 insertions(+)
diff --git a/board/congatec/cgtqmx6eval/cgtqmx6eval.c b/board/congatec/cgtqmx6eval/cgtqmx6eval.c index 60e1e9a..812f7bb 100644 --- a/board/congatec/cgtqmx6eval/cgtqmx6eval.c +++ b/board/congatec/cgtqmx6eval/cgtqmx6eval.c @@ -151,6 +151,11 @@ static iomux_v3_cfg_t enet_pads_ar8035[] = { MX6_PAD_RGMII_RX_CTL__RGMII_RX_CTL | MUX_PAD_CTRL(ENET_PAD_CTRL), };
+static iomux_v3_cfg_t const usb_otg_pads[] = { + MX6_PAD_EIM_D22__USB_OTG_PWR | MUX_PAD_CTRL(NO_PAD_CTRL), + MX6_PAD_ENET_RX_ER__USB_OTG_ID | MUX_PAD_CTRL(NO_PAD_CTRL), +}; + #define PC MUX_PAD_CTRL(I2C_PAD_CTRL) struct i2c_pads_info i2c_pad_info1 = { .scl = { @@ -460,6 +465,45 @@ int board_mmc_init(bd_t *bis) } #endif
+int board_ehci_hcd_init(int port) +{ + switch (port) { + case 0: + imx_iomux_v3_setup_multiple_pads(usb_otg_pads, + ARRAY_SIZE(usb_otg_pads)); + /* + * set daisy chain for otg_pin_id on 6q. + * for 6dl, this bit is reserved + */ + imx_iomux_set_gpr_register(1, 13, 1, 0); + break; + case 1: + /* nothing to do */ + break; + default: + printf("Invalid USB port: %d\n", port); + return -EINVAL; + } + + return 0; +} + +int board_ehci_power(int port, int on) +{ + switch (port) { + case 0: + break; + case 1: + gpio_direction_output(IMX_GPIO_NR(5, 5), on); + break; + default: + printf("Invalid USB port: %d\n", port); + return -EINVAL; + } + + return 0; +} + int board_early_init_f(void) { setup_iomux_uart(); diff --git a/include/configs/cgtqmx6eval.h b/include/configs/cgtqmx6eval.h index df22534..ce995a8 100644 --- a/include/configs/cgtqmx6eval.h +++ b/include/configs/cgtqmx6eval.h @@ -77,6 +77,21 @@ #define CONFIG_POWER_PFUZE100 #define CONFIG_POWER_PFUZE100_I2C_ADDR 0x08
+/* USB Configs */ +#define CONFIG_CMD_USB +#define CONFIG_CMD_FAT +#define CONFIG_USB_EHCI +#define CONFIG_USB_EHCI_MX6 +#define CONFIG_USB_STORAGE +#define CONFIG_EHCI_HCD_INIT_AFTER_RESET +#define CONFIG_USB_HOST_ETHER +#define CONFIG_USB_ETHER_ASIX +#define CONFIG_MXC_USB_PORTSC (PORT_PTS_UTMI | PORT_PTS_PTW) +#define CONFIG_MXC_USB_FLAGS 0 +#define CONFIG_USB_MAX_CONTROLLER_COUNT 2 /* Enabled USB controller number */ +#define CONFIG_USB_KEYBOARD +#define CONFIG_SYS_USB_EVENT_POLL_VIA_CONTROL_EP + #define CONFIG_DEFAULT_FDT_FILE "imx6q-congatec.dtb"
#define CONFIG_EXTRA_ENV_SETTINGS \