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board: ti: beagle_x15: added USB initializtion code

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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>
This commit is contained in:
Kishon Vijay Abraham I 2015-08-19 14:13:19 +05:30 committed by Tom Rini
parent bf0385d7f0
commit 7c379aaa03
2 changed files with 112 additions and 1 deletions
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2
arch/arm/include/asm/arch-omap5/omap.h
View File

@ -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

111
board/ti/beagle_x15/board.c
View File

@ -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 */