[U-Boot] [PATCH RFC V1 04/18] nitrogen6x: add otg usb ethernet gadget support

[Troy Kisky]

Signed-off-by: Troy Kisky <troy.kisky at boundarydevices.com>
---
 board/boundary/nitrogen6x/nitrogen6x.c | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)

diff --git a/board/boundary/nitrogen6x/nitrogen6x.c b/board/boundary/nitrogen6x/nitrogen6x.c
index 8f0f9b8..a845ee5 100644
--- a/board/boundary/nitrogen6x/nitrogen6x.c
+++ b/board/boundary/nitrogen6x/nitrogen6x.c
@@ -46,6 +46,7 @@
 #include <i2c.h>
 
 DECLARE_GLOBAL_DATA_PTR;
+#define GP_USB_OTG_PWR	IMX_GPIO_NR(3, 22)
 
 #define UART_PAD_CTRL  (PAD_CTL_PUS_100K_UP |			\
 	PAD_CTL_SPEED_MED | PAD_CTL_DSE_40ohm |			\
@@ -385,6 +386,13 @@ int board_eth_init(bd_t *bis)
 		free(bus);
 	}
 #endif
+
+#ifdef CONFIG_MV_UDC
+	otg_enable();
+
+	/* For otg ethernet*/
+	usb_eth_initialize(bis);
+#endif
 	return 0;
 }
 
@@ -733,6 +741,7 @@ int board_early_init_f(void)
 	gpio_direction_input(WL12XX_WL_IRQ_GP);
 	gpio_direction_output(WL12XX_WL_ENABLE_GP, 0);
 	gpio_direction_output(WL12XX_BT_ENABLE_GP, 0);
+	gpio_direction_output(GP_USB_OTG_PWR, 0); /* OTG power off */
 
 	imx_iomux_v3_setup_multiple_pads(wl12xx_pads, ARRAY_SIZE(wl12xx_pads));
 	setup_buttons();
@@ -754,6 +763,13 @@ int overwrite_console(void)
 
 int board_init(void)
 {
+	struct iomuxc_base_regs *const iomuxc_regs
+		= (struct iomuxc_base_regs *)IOMUXC_BASE_ADDR;
+
+	clrsetbits_le32(&iomuxc_regs->gpr[1],
+			IOMUXC_GPR1_OTG_ID_MASK,
+			IOMUXC_GPR1_OTG_ID_GPIO1);
+
 	/* address of boot parameters */
 	gd->bd->bi_boot_params = PHYS_SDRAM + 0x100;
 
-- 
1.8.1.2