diff mbox

[U-Boot,4/5] imx:mx6qarm2 add usb support

Message ID 1414808359-4750-5-git-send-email-Peng.Fan@freescale.com
State Changes Requested
Headers show

Commit Message

Peng Fan Nov. 1, 2014, 2:19 a.m. UTC 
Add usb support for mx6qarm2 board.

Signed-off-by: Peng Fan <Peng.Fan@freescale.com>
Signed-off-by: Ye.Li <B37916@freescale.com>
---
 board/freescale/mx6qarm2/mx6qarm2.c | 27 +++++++++++++++++++++++++++
 include/configs/mx6qarm2.h          | 14 ++++++++++++++
 2 files changed, 41 insertions(+)
diff mbox

Patch

diff --git a/board/freescale/mx6qarm2/mx6qarm2.c b/board/freescale/mx6qarm2/mx6qarm2.c
index 667dca5..3108750 100644
--- a/board/freescale/mx6qarm2/mx6qarm2.c
+++ b/board/freescale/mx6qarm2/mx6qarm2.c
@@ -237,3 +237,30 @@  int checkboard(void)
 
 	return 0;
 }
+
+#ifdef CONFIG_USB_EHCI_MX6
+iomux_v3_cfg_t const usb_otg_pads[] = {
+	MX6_PAD_EIM_D22__USB_OTG_PWR | MUX_PAD_CTRL(NO_PAD_CTRL),
+	MX6_PAD_GPIO_1__USB_OTG_ID | MUX_PAD_CTRL(NO_PAD_CTRL),
+};
+
+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
+		 */
+		mxc_iomux_set_gpr_register(1, 13, 1, 1);
+		break;
+	default:
+		printf("MXC USB port %d not yet supported\n", port);
+		return 1;
+	}
+	return 0;
+}
+#endif
diff --git a/include/configs/mx6qarm2.h b/include/configs/mx6qarm2.h
index 6e01fa0..76cfef1 100644
--- a/include/configs/mx6qarm2.h
+++ b/include/configs/mx6qarm2.h
@@ -189,4 +189,18 @@ 
 #define CONFIG_OF_LIBFDT
 #define CONFIG_CMD_BOOTZ
 
+/* USB Configs */
+#define CONFIG_CMD_USB
+#ifdef CONFIG_CMD_USB
+#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	1
+#endif
+
 #endif				/* __CONFIG_H */