diff options
Diffstat (limited to 'board/toradex/common/usb.c')
| -rw-r--r-- | board/toradex/common/usb.c | 47 |
1 files changed, 31 insertions, 16 deletions
diff --git a/board/toradex/common/usb.c b/board/toradex/common/usb.c index f0f4a47453..cbacbcd52b 100644 --- a/board/toradex/common/usb.c +++ b/board/toradex/common/usb.c @@ -39,6 +39,19 @@ #define CLK_RST_CONTROLLER_CLK_OUT_ENB_U_0 0x18 #define CLK_RST_CONTROLLER_PLLP_OUTB_0 0xA8 +/* ASIX AX88772B Ethernet LAN GPIOs */ +#if !defined(CONFIG_TEGRA3) +#define LAN_V_BUS GPIO_PBB1 +#define LAN_RESET GPIO_PV4 +#define LAN_V_BUS_PINGRP PINGRP_DTE +#define LAN_RESET_PINGRP PINGRP_GPV +#else +#define LAN_V_BUS GPIO_PDD2 +#define LAN_RESET GPIO_PDD0 +#define LAN_V_BUS_PINGRP PINGRP_PEX_L0_CLKREQ_N +#define LAN_RESET_PINGRP PINGRP_PEX_L0_PRSNT_N +#endif + enum { USB_PORTS_MAX = 4, /* Maximum ports we allow */ }; @@ -205,22 +218,6 @@ void usbf_reset_controller(enum periph_id id, struct usb_ctlr *usbctlr) *((uint *) (NV_PA_CLK_RST_BASE + CLK_RST_CONTROLLER_PLLP_OUTB_0)) = reg; ulpi_phy_power_on(); - - /* Fix Ethernet detection faults */ - udelay(100 * 1000); - - /* Enable ASIX AX88772B V_BUS */ - gpio_direction_output(GPIO_PBB1, 1); - pinmux_tristate_disable(PINGRP_DTE); - - /* Reset */ - gpio_direction_output(GPIO_PV4, 0); - pinmux_tristate_disable(PINGRP_GPV); - - udelay(5); - - /* Unreset */ - gpio_set_value(GPIO_PV4, 1); } /* @@ -251,6 +248,24 @@ void usbf_reset_controller(enum periph_id id, struct usb_ctlr *usbctlr) * TODO: where do we take the USB1 out of reset? The old code would * take USB3 out of reset, but not USB1. This code doesn't do either. */ + + if (id == PERIPH_ID_USB2) { + /* Fix Ethernet detection faults */ + udelay(100 * 1000); + + /* Enable ASIX AX88772B V_BUS */ + gpio_direction_output(LAN_V_BUS, 1); + pinmux_tristate_disable(LAN_V_BUS_PINGRP); + + /* Reset */ + gpio_direction_output(LAN_RESET, 0); + pinmux_tristate_disable(LAN_RESET_PINGRP); + + udelay(5); + + /* Unreset */ + gpio_set_value(LAN_RESET, 1); + } } /* set up the USB controller with the parameters provided */ |