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board: ti: OMAP5: added USB initializtion code 

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>
Reviewed-by: Tom Rini <trini@konsulko.com>
This commit is contained in:
Kishon Vijay Abraham I 2015-08-19 14:13:20 +05:30 committed by Tom Rini
parent 7c379aaa03
commit 7ba792c044
2 changed files with 81 additions and 0 deletions
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6
arch/arm/include/asm/arch-omap5/omap.h
View File

@ -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 */

75
board/ti/omap5_uevm/evm.c
View File

@ -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
*