From 7c379aaa0315eaaba7be959d0dc096e182bcee43 Mon Sep 17 00:00:00 2001 From: Kishon Vijay Abraham I Date: Wed, 19 Aug 2015 14:13:19 +0530 Subject: [PATCH] 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 Reviewed-by: Tom Rini --- arch/arm/include/asm/arch-omap5/omap.h | 2 +- board/ti/beagle_x15/board.c | 111 +++++++++++++++++++++++++ 2 files changed, 112 insertions(+), 1 deletion(-) diff --git a/arch/arm/include/asm/arch-omap5/omap.h b/arch/arm/include/asm/arch-omap5/omap.h index c3296412ad..0420a5edd5 100644 --- a/arch/arm/include/asm/arch-omap5/omap.h +++ b/arch/arm/include/asm/arch-omap5/omap.h @@ -33,7 +33,7 @@ #define CONTROL_ID_CODE CONTROL_CORE_ID_CODE #endif -#ifdef CONFIG_DRA7XX +#if defined(CONFIG_DRA7XX) || defined(CONFIG_AM57XX) #define DRA7_USB_OTG_SS1_BASE 0x48890000 #define DRA7_USB_OTG_SS1_GLUE_BASE 0x48880000 #define DRA7_USB3_PHY1_PLL_CTRL 0x4A084C00 diff --git a/board/ti/beagle_x15/board.c b/board/ti/beagle_x15/board.c index c7f19c7924..bcf8cf2f5a 100644 --- a/board/ti/beagle_x15/board.c +++ b/board/ti/beagle_x15/board.c @@ -22,7 +22,13 @@ #include #include #include +#include #include +#include +#include +#include +#include +#include #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 */ -- 2.30.2