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author | Kishon Vijay Abraham I <kishon@ti.com> | 2015-08-19 14:13:19 +0530 |
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committer | Tom Rini <trini@konsulko.com> | 2015-08-28 12:33:20 -0400 |
commit | 7c379aaa0315eaaba7be959d0dc096e182bcee43 (patch) | |
tree | b74749a0a99b5352693c1f58b8216d344e6b2b9c /board/ti/beagle_x15/board.c | |
parent | bf0385d7f06ef8781d3bb9b645dcd9c25d212fde (diff) | |
download | u-boot-imx-7c379aaa0315eaaba7be959d0dc096e182bcee43.zip u-boot-imx-7c379aaa0315eaaba7be959d0dc096e182bcee43.tar.gz u-boot-imx-7c379aaa0315eaaba7be959d0dc096e182bcee43.tar.bz2 |
board: ti: beagle_x15: added USB initializtion code
Implemented board_usb_init(), board_usb_cleanup() and
usb_gadget_handle_interrupts() in beagle_x15 board file that
can be invoked by various gadget drivers.
Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
Reviewed-by: Tom Rini <trini@konsulko.com>
Diffstat (limited to 'board/ti/beagle_x15/board.c')
-rw-r--r-- | board/ti/beagle_x15/board.c | 111 |
1 files changed, 111 insertions, 0 deletions
diff --git a/board/ti/beagle_x15/board.c b/board/ti/beagle_x15/board.c index c7f19c7..bcf8cf2 100644 --- a/board/ti/beagle_x15/board.c +++ b/board/ti/beagle_x15/board.c @@ -22,7 +22,13 @@ #include <asm/arch/mmc_host_def.h> #include <asm/arch/sata.h> #include <asm/arch/gpio.h> +#include <asm/arch/omap.h> #include <environment.h> +#include <usb.h> +#include <linux/usb/gadget.h> +#include <dwc3-uboot.h> +#include <dwc3-omap-uboot.h> +#include <ti-usb-phy-uboot.h> #include "mux_data.h" @@ -309,6 +315,111 @@ int spl_start_uboot(void) } #endif +#ifdef CONFIG_USB_DWC3 +static struct dwc3_device usb_otg_ss1 = { + .maximum_speed = USB_SPEED_SUPER, + .base = DRA7_USB_OTG_SS1_BASE, + .tx_fifo_resize = false, + .index = 0, +}; + +static struct dwc3_omap_device usb_otg_ss1_glue = { + .base = (void *)DRA7_USB_OTG_SS1_GLUE_BASE, + .utmi_mode = DWC3_OMAP_UTMI_MODE_SW, + .index = 0, +}; + +static struct ti_usb_phy_device usb_phy1_device = { + .pll_ctrl_base = (void *)DRA7_USB3_PHY1_PLL_CTRL, + .usb2_phy_power = (void *)DRA7_USB2_PHY1_POWER, + .usb3_phy_power = (void *)DRA7_USB3_PHY1_POWER, + .index = 0, +}; + +static struct dwc3_device usb_otg_ss2 = { + .maximum_speed = USB_SPEED_HIGH, + .base = DRA7_USB_OTG_SS2_BASE, + .tx_fifo_resize = false, + .index = 1, +}; + +static struct dwc3_omap_device usb_otg_ss2_glue = { + .base = (void *)DRA7_USB_OTG_SS2_GLUE_BASE, + .utmi_mode = DWC3_OMAP_UTMI_MODE_SW, + .index = 1, +}; + +static struct ti_usb_phy_device usb_phy2_device = { + .usb2_phy_power = (void *)DRA7_USB2_PHY2_POWER, + .index = 1, +}; + +int board_usb_init(int index, enum usb_init_type init) +{ + switch (index) { + case 0: + if (init == USB_INIT_DEVICE) { + printf("port %d can't be used as device\n", index); + return -EINVAL; + } else { + usb_otg_ss1.dr_mode = USB_DR_MODE_HOST; + usb_otg_ss1_glue.vbus_id_status = OMAP_DWC3_ID_GROUND; + setbits_le32((*prcm)->cm_l3init_usb_otg_ss1_clkctrl, + OTG_SS_CLKCTRL_MODULEMODE_HW | + OPTFCLKEN_REFCLK960M); + } + + ti_usb_phy_uboot_init(&usb_phy1_device); + dwc3_omap_uboot_init(&usb_otg_ss1_glue); + dwc3_uboot_init(&usb_otg_ss1); + break; + case 1: + if (init == USB_INIT_DEVICE) { + usb_otg_ss2.dr_mode = USB_DR_MODE_PERIPHERAL; + usb_otg_ss2_glue.vbus_id_status = OMAP_DWC3_VBUS_VALID; + } else { + printf("port %d can't be used as host\n", index); + return -EINVAL; + } + + ti_usb_phy_uboot_init(&usb_phy2_device); + dwc3_omap_uboot_init(&usb_otg_ss2_glue); + dwc3_uboot_init(&usb_otg_ss2); + break; + default: + printf("Invalid Controller Index\n"); + } + + return 0; +} + +int board_usb_cleanup(int index, enum usb_init_type init) +{ + switch (index) { + case 0: + case 1: + ti_usb_phy_uboot_exit(index); + dwc3_uboot_exit(index); + dwc3_omap_uboot_exit(index); + break; + default: + printf("Invalid Controller Index\n"); + } + return 0; +} + +int usb_gadget_handle_interrupts(int index) +{ + u32 status; + + status = dwc3_omap_uboot_interrupt_status(index); + if (status) + dwc3_uboot_handle_interrupt(index); + + return 0; +} +#endif + #ifdef CONFIG_DRIVER_TI_CPSW /* Delay value to add to calibrated value */ |