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x86: edison: Switch to DM_USB_GADGET

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DM is the modern default approach for the drivers in U-Boot.
It also allows to configure code via Device Tree.

Move Intel Edison to use DM_USB_GADGET and drop hard coded values.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
This commit is contained in:
Andy Shevchenko 2020-12-03 19:45:02 +02:00 committed by Bin Meng
parent 23cdbba8b1
commit f89e8acbc8
4 changed files with 9 additions and 39 deletions
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4
arch/x86/cpu/tangier/Kconfig
View file

@ -29,8 +29,4 @@ config SYS_CAR_SIZE
Space in bytes in eSRAM used as Cache-As-RAM (CAR).
Note this size must not exceed eSRAM's total size.
config SYS_USB_OTG_BASE
hex
default 0xf9100000
endif

8
arch/x86/dts/edison.dts
View file

@ -107,6 +107,14 @@
usb: usb@f9100000 {
compatible = "intel,tangier-dwc3";
#address-cells = <1>;
#size-cells = <1>;
dwc3: dwc3 {
reg = <0xf9100000 0x100000>;
maximum-speed = "high-speed";
dr_mode = "peripheral";
};
};
watchdog: wdt@0 {

35
board/intel/edison/edison.c
View file

@ -3,15 +3,10 @@
* Copyright (c) 2017 Intel Corporation
*/
#include <common.h>
#include <dwc3-uboot.h>
#include <env.h>
#include <init.h>
#include <mmc.h>
#include <u-boot/md5.h>
#include <usb.h>
#include <watchdog.h>
#include <linux/usb/gadget.h>
#include <asm/cache.h>
#include <asm/pmu.h>
@ -27,36 +22,6 @@ int board_early_init_r(void)
return 0;
}
static struct dwc3_device dwc3_device_data = {
.maximum_speed = USB_SPEED_HIGH,
.base = CONFIG_SYS_USB_OTG_BASE,
.dr_mode = USB_DR_MODE_PERIPHERAL,
.index = 0,
};
int usb_gadget_handle_interrupts(int controller_index)
{
dwc3_uboot_handle_interrupt(controller_index);
WATCHDOG_RESET();
return 0;
}
int board_usb_init(int index, enum usb_init_type init)
{
if (index == 0 && init == USB_INIT_DEVICE)
return dwc3_uboot_init(&dwc3_device_data);
return -EINVAL;
}
int board_usb_cleanup(int index, enum usb_init_type init)
{
if (index == 0 && init == USB_INIT_DEVICE) {
dwc3_uboot_exit(index);
return 0;
}
return -EINVAL;
}
static void assign_serial(void)
{
struct mmc *mmc = find_mmc_device(0);

1
configs/edison_defconfig
View file

@ -37,6 +37,7 @@ CONFIG_DFU_TIMEOUT=y
CONFIG_DFU_MMC=y
CONFIG_DFU_RAM=y
CONFIG_SUPPORT_EMMC_BOOT=y
CONFIG_DM_USB_GADGET=y
CONFIG_USB_GADGET=y
CONFIG_USB_GADGET_MANUFACTURER="Intel"
CONFIG_USB_GADGET_VENDOR_NUM=0x8087