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| author | Ye.Li <B37916@freescale.com> | 2014-01-14 11:50:08 +0800 |
|---|---|---|
| committer | Ye.Li <B37916@freescale.com> | 2014-01-17 11:27:50 +0800 |
| commit | 94709deba186ea6fc2c350c34e4e4df60f06d982 (patch) | |
| tree | eff18f8bce0da8735d454a1c797de02dd0cfae52 /board | |
| parent | b013a5d31a2cf523b300bc38f1f1548f7ecdfe29 (diff) | |
| download | u-boot-imx-94709deba186ea6fc2c350c34e4e4df60f06d982.zip u-boot-imx-94709deba186ea6fc2c350c34e4e4df60f06d982.tar.gz u-boot-imx-94709deba186ea6fc2c350c34e4e4df60f06d982.tar.bz2 | |
ENGR00294905 ARM:imx6:sabresd/arm2 Add USB HOST BSP support
Enable the USB EHCI on sabresd and arm2 boards to support USB mass
storage device.
Pins are configured in board_ehci_hcd_init for VBUS control.
Signed-off-by: Ye.Li <B37916@freescale.com>
Diffstat (limited to 'board')
| -rw-r--r-- | board/freescale/mx6qarm2/mx6qarm2.c | 26 | ||||
| -rw-r--r-- | board/freescale/mx6qsabresd/mx6qsabresd.c | 53 |
2 files changed, 77 insertions, 2 deletions
diff --git a/board/freescale/mx6qarm2/mx6qarm2.c b/board/freescale/mx6qarm2/mx6qarm2.c index d427eff..4782dc9 100644 --- a/board/freescale/mx6qarm2/mx6qarm2.c +++ b/board/freescale/mx6qarm2/mx6qarm2.c @@ -1,5 +1,5 @@ /* - * Copyright (C) 2010-2013 Freescale Semiconductor, Inc. + * Copyright (C) 2010-2014 Freescale Semiconductor, Inc. * * See file CREDITS for list of people who contributed to this * project. @@ -257,3 +257,27 @@ void ldo_mode_set(int ldo_bypass) return; } #endif + +#ifdef CONFIG_USB_EHCI_MX6 +iomux_v3_cfg_t const usb_otg_pads[] = { + MX6_PAD_EIM_D22__USBOH3_USBOTG_PWR | MUX_PAD_CTRL(NO_PAD_CTRL), + MX6_PAD_GPIO_1__USBOTG_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/board/freescale/mx6qsabresd/mx6qsabresd.c b/board/freescale/mx6qsabresd/mx6qsabresd.c index 7f80411..b825675 100644 --- a/board/freescale/mx6qsabresd/mx6qsabresd.c +++ b/board/freescale/mx6qsabresd/mx6qsabresd.c @@ -1,5 +1,5 @@ /* - * Copyright (C) 2012-2013 Freescale Semiconductor, Inc. + * Copyright (C) 2012-2014 Freescale Semiconductor, Inc. * * Author: Fabio Estevam <fabio.estevam@freescale.com> * Author: Jason Liu <r64343@freescale.com> @@ -1213,3 +1213,54 @@ void udc_pins_setting(void) } #endif /*CONFIG_IMX_UDC*/ + +#ifdef CONFIG_USB_EHCI_MX6 +iomux_v3_cfg_t const usb_otg_pads[] = { + MX6_PAD_EIM_D22__USBOH3_USBOTG_PWR | MUX_PAD_CTRL(NO_PAD_CTRL), + MX6_PAD_ENET_RX_ER__ANATOP_USBOTG_ID | MUX_PAD_CTRL(NO_PAD_CTRL), +}; + +iomux_v3_cfg_t const usb_hc1_pads[] = { + MX6_PAD_ENET_TXD1__GPIO_1_29 | 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 |