Implemented board_usb_init(), board_usb_cleanup() and usb_gadget_handle_interrupts() in omap5 board file that can be invoked by various gadget drivers.
Signed-off-by: Kishon Vijay Abraham I kishon@ti.com --- arch/arm/include/asm/arch-omap5/omap.h | 6 +++ board/ti/omap5_uevm/evm.c | 75 ++++++++++++++++++++++++++++++++ 2 files changed, 81 insertions(+)
diff --git a/arch/arm/include/asm/arch-omap5/omap.h b/arch/arm/include/asm/arch-omap5/omap.h index 9b66877..bf5afbd 100644 --- a/arch/arm/include/asm/arch-omap5/omap.h +++ b/arch/arm/include/asm/arch-omap5/omap.h @@ -43,6 +43,12 @@ #define DRA7_USB_OTG_SS2_BASE 0x488D0000 #define DRA7_USB_OTG_SS2_GLUE_BASE 0x488C0000 #define DRA7_USB2_PHY2_POWER 0x4A002E74 +#else +#define OMAP5XX_USB_OTG_SS_BASE 0x4A030000 +#define OMAP5XX_USB_OTG_SS_GLUE_BASE 0x4A020000 +#define OMAP5XX_USB3_PHY_PLL_CTRL 0x4A084C00 +#define OMAP5XX_USB3_PHY_POWER 0x4A002370 +#define OMAP5XX_USB2_PHY_POWER 0x4A002300 #endif
/* To be verified */ diff --git a/board/ti/omap5_uevm/evm.c b/board/ti/omap5_uevm/evm.c index 833ffe9..d0d0e0e 100644 --- a/board/ti/omap5_uevm/evm.c +++ b/board/ti/omap5_uevm/evm.c @@ -8,9 +8,15 @@ */ #include <common.h> #include <palmas.h> +#include <asm/arch/omap.h> #include <asm/arch/sys_proto.h> #include <asm/arch/mmc_host_def.h> #include <tca642x.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"
@@ -53,6 +59,75 @@ struct tca642x_bank_info tca642x_init[] = { .configuration_reg = 0x40 }, };
+#ifdef CONFIG_USB_DWC3 +static struct dwc3_device usb_otg_ss = { + .maximum_speed = USB_SPEED_SUPER, + .base = OMAP5XX_USB_OTG_SS_BASE, + .tx_fifo_resize = false, + .index = 0, +}; + +static struct dwc3_omap_device usb_otg_ss_glue = { + .base = (void *)OMAP5XX_USB_OTG_SS_GLUE_BASE, + .utmi_mode = DWC3_OMAP_UTMI_MODE_SW, + .index = 0, +}; + +static struct ti_usb_phy_device usb_phy_device = { + .pll_ctrl_base = (void *)OMAP5XX_USB3_PHY_PLL_CTRL, + .usb2_phy_power = (void *)OMAP5XX_USB2_PHY_POWER, + .usb3_phy_power = (void *)OMAP5XX_USB3_PHY_POWER, + .index = 0, +}; + +int board_usb_init(int index, enum usb_init_type init) +{ + if (index) { + printf("Invalid Controller Index\n"); + return -EINVAL; + } + + if (init == USB_INIT_DEVICE) { + usb_otg_ss.dr_mode = USB_DR_MODE_PERIPHERAL; + usb_otg_ss_glue.vbus_id_status = OMAP_DWC3_VBUS_VALID; + } else { + usb_otg_ss.dr_mode = USB_DR_MODE_HOST; + usb_otg_ss_glue.vbus_id_status = OMAP_DWC3_ID_GROUND; + } + + ti_usb_phy_uboot_init(&usb_phy_device); + dwc3_omap_uboot_init(&usb_otg_ss_glue); + dwc3_uboot_init(&usb_otg_ss); + + return 0; +} + +int board_usb_cleanup(int index, enum usb_init_type init) +{ + if (index) { + printf("Invalid Controller Index\n"); + return -EINVAL; + } + + ti_usb_phy_uboot_exit(index); + dwc3_uboot_exit(index); + dwc3_omap_uboot_exit(index); + + 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 + /** * @brief board_init *