Implemented board_usb_init(), board_usb_cleanup() and usb_gadget_handle_interrupts() in am43xx 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-am33xx/hardware_am43xx.h | 9 ++ board/ti/am43xx/board.c | 108 ++++++++++++++++++++ 2 files changed, 117 insertions(+)
diff --git a/arch/arm/include/asm/arch-am33xx/hardware_am43xx.h b/arch/arm/include/asm/arch-am33xx/hardware_am43xx.h index 5f259da..110f329 100644 --- a/arch/arm/include/asm/arch-am33xx/hardware_am43xx.h +++ b/arch/arm/include/asm/arch-am33xx/hardware_am43xx.h @@ -61,6 +61,15 @@ /* RTC base address */ #define RTC_BASE 0x44E3E000
+/* USB OTG */ +#define USB_OTG_SS1_BASE 0x48390000 +#define USB_OTG_SS1_GLUE_BASE 0x48380000 +#define USB2_PHY1_POWER 0x44E10620 + +#define USB_OTG_SS2_BASE 0x483D0000 +#define USB_OTG_SS2_GLUE_BASE 0x483C0000 +#define USB2_PHY2_POWER 0x44E10628 + /* USB Clock Control */ #define PRM_PER_USB_OTG_SS0_CLKCTRL (CM_PER + 0x260) #define PRM_PER_USB_OTG_SS1_CLKCTRL (CM_PER + 0x268) diff --git a/board/ti/am43xx/board.c b/board/ti/am43xx/board.c index a1c3c17..a8796b1 100644 --- a/board/ti/am43xx/board.c +++ b/board/ti/am43xx/board.c @@ -12,6 +12,7 @@ #include <i2c.h> #include <asm/errno.h> #include <spl.h> +#include <usb.h> #include <asm/arch/clock.h> #include <asm/arch/sys_proto.h> #include <asm/arch/mux.h> @@ -23,6 +24,10 @@ #include <power/tps65218.h> #include <miiphy.h> #include <cpsw.h> +#include <linux/usb/gadget.h> +#include <dwc3-uboot.h> +#include <dwc3-omap-uboot.h> +#include <ti-usb-phy-uboot.h>
DECLARE_GLOBAL_DATA_PTR;
@@ -686,6 +691,109 @@ int board_late_init(void) } #endif
+#ifdef CONFIG_USB_DWC3 +static struct dwc3_device usb_otg_ss1 = { + .maximum_speed = USB_SPEED_HIGH, + .base = USB_OTG_SS1_BASE, + .tx_fifo_resize = false, + .index = 0, +}; + +static struct dwc3_omap_device usb_otg_ss1_glue = { + .base = (void *)USB_OTG_SS1_GLUE_BASE, + .utmi_mode = DWC3_OMAP_UTMI_MODE_SW, + .vbus_id_status = OMAP_DWC3_VBUS_VALID, + .index = 0, +}; + +static struct ti_usb_phy_device usb_phy1_device = { + .usb2_phy_power = (void *)USB2_PHY1_POWER, + .index = 0, +}; + +static struct dwc3_device usb_otg_ss2 = { + .maximum_speed = USB_SPEED_HIGH, + .base = USB_OTG_SS2_BASE, + .tx_fifo_resize = false, + .index = 1, +}; + +static struct dwc3_omap_device usb_otg_ss2_glue = { + .base = (void *)USB_OTG_SS2_GLUE_BASE, + .utmi_mode = DWC3_OMAP_UTMI_MODE_SW, + .vbus_id_status = OMAP_DWC3_VBUS_VALID, + .index = 1, +}; + +static struct ti_usb_phy_device usb_phy2_device = { + .usb2_phy_power = (void *)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) { + usb_otg_ss1.dr_mode = USB_DR_MODE_PERIPHERAL; + usb_otg_ss1_glue.vbus_id_status = OMAP_DWC3_VBUS_VALID; + } else { + usb_otg_ss1.dr_mode = USB_DR_MODE_HOST; + usb_otg_ss1_glue.vbus_id_status = OMAP_DWC3_ID_GROUND; + } + + dwc3_omap_uboot_init(&usb_otg_ss1_glue); + ti_usb_phy_uboot_init(&usb_phy1_device); + 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 { + usb_otg_ss2.dr_mode = USB_DR_MODE_HOST; + usb_otg_ss2_glue.vbus_id_status = OMAP_DWC3_ID_GROUND; + } + + 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(void) +{ + u32 status; + + status = dwc3_omap_uboot_interrupt_status(0); + if (status) + dwc3_uboot_handle_interrupt(0); + + return 0; +} +#endif + #ifdef CONFIG_DRIVER_TI_CPSW
static void cpsw_control(int enabled)