diff mbox

[U-Boot,5/5] imx:mx6sabresd add usb support

Message ID 1414808359-4750-6-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 mx6sabresd.

Signed-off-by: Peng Fan <Peng.Fan@freescale.com>
Signed-off-by: Ye.Li <B37916@freescale.com>
---
 board/freescale/mx6sabresd/mx6sabresd.c | 53 +++++++++++++++++++++++++++++++++
 include/configs/mx6sabresd.h            | 14 +++++++++
 2 files changed, 67 insertions(+)
diff mbox

Patch

diff --git a/board/freescale/mx6sabresd/mx6sabresd.c b/board/freescale/mx6sabresd/mx6sabresd.c
index 81dcd6e..6bf9b25 100644
--- a/board/freescale/mx6sabresd/mx6sabresd.c
+++ b/board/freescale/mx6sabresd/mx6sabresd.c
@@ -546,3 +546,56 @@  int checkboard(void)
 	puts("Board: MX6-SabreSD\n");
 	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_ENET_RX_ER__USB_OTG_ID | MUX_PAD_CTRL(NO_PAD_CTRL),
+};
+
+iomux_v3_cfg_t const usb_hc1_pads[] = {
+	MX6_PAD_ENET_TXD1__GPIO1_IO29 | 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, 0);
+		break;
+	case 1:
+		imx_iomux_v3_setup_multiple_pads(usb_hc1_pads,
+						 ARRAY_SIZE(usb_hc1_pads));
+		break;
+	default:
+		printf("MXC USB port %d not yet supported\n", port);
+		return 1;
+	}
+	return 0;
+}
+
+int board_ehci_power(int port, int on)
+{
+	switch (port) {
+	case 0:
+		break;
+	case 1:
+		if (on)
+			gpio_direction_output(IMX_GPIO_NR(1, 29), 1);
+		else
+			gpio_direction_output(IMX_GPIO_NR(1, 29), 0);
+		break;
+	default:
+		printf("MXC USB port %d not yet supported\n", port);
+		return 1;
+	}
+	return 0;
+}
+#endif
diff --git a/include/configs/mx6sabresd.h b/include/configs/mx6sabresd.h
index 938030d..da870f3 100644
--- a/include/configs/mx6sabresd.h
+++ b/include/configs/mx6sabresd.h
@@ -54,4 +54,18 @@ 
 #define CONFIG_POWER_PFUZE100
 #define CONFIG_POWER_PFUZE100_I2C_ADDR	0x08
 
+/* 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 /* Enabled USB controller number */
+#endif
+
 #endif                         /* __MX6QSABRESD_CONFIG_H */