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nitrogen6x: add otg usb host/device mode support

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Signed-off-by: Troy Kisky <troy.kisky@boundarydevices.com>
This commit is contained in:
Troy Kisky 2013-09-25 18:41:17 -07:00 committed by Marek Vasut
parent 7132869d4c
commit 08ce074e56
1 changed files with 26 additions and 0 deletions
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26
board/boundary/nitrogen6x/nitrogen6x.c
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@ -30,6 +30,7 @@
#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 | \
@ -179,6 +180,14 @@ iomux_v3_cfg_t const enet_pads2[] = {
MX6_PAD_RGMII_RX_CTL__RGMII_RX_CTL | MUX_PAD_CTRL(ENET_PAD_CTRL),
};
static iomux_v3_cfg_t const misc_pads[] = {
MX6_PAD_GPIO_1__USB_OTG_ID | MUX_PAD_CTRL(WEAK_PULLUP),
MX6_PAD_KEY_COL4__USBOH3_USBOTG_OC | MUX_PAD_CTRL(WEAK_PULLUP),
MX6_PAD_EIM_D30__USBOH3_USBH1_OC | MUX_PAD_CTRL(WEAK_PULLUP),
/* OTG Power enable */
MX6_PAD_EIM_D22__GPIO_3_22 | MUX_PAD_CTRL(OUTPUT_40OHM),
};
/* wl1271 pads on nitrogen6x */
iomux_v3_cfg_t const wl12xx_pads[] = {
(MX6_PAD_NANDF_CS1__GPIO_6_14 & ~MUX_PAD_CTRL_MASK)
@ -250,6 +259,15 @@ int board_ehci_hcd_init(int port)
return 0;
}
int board_ehci_power(int port, int on)
{
if (port)
return 0;
gpio_set_value(GP_USB_OTG_PWR, on);
return 0;
}
#endif
#ifdef CONFIG_FSL_ESDHC
@ -369,6 +387,11 @@ int board_eth_init(bd_t *bis)
free(bus);
}
#endif
#ifdef CONFIG_MV_UDC
/* For otg ethernet*/
usb_eth_initialize(bis);
#endif
return 0;
}
@ -685,6 +708,7 @@ 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();
@ -713,6 +737,8 @@ int board_init(void)
IOMUXC_GPR1_OTG_ID_MASK,
IOMUXC_GPR1_OTG_ID_GPIO1);
imx_iomux_v3_setup_multiple_pads(misc_pads, ARRAY_SIZE(misc_pads));
/* address of boot parameters */
gd->bd->bi_boot_params = PHYS_SDRAM + 0x100;