u-boot/board/intel/edison/edison.c
Tom Rini d024236e5a Remove unnecessary instances of DECLARE_GLOBAL_DATA_PTR
We have a large number of places where while we historically referenced
gd in the code we no longer do, as well as cases where the code added
that line "just in case" during development and never dropped it.

Signed-off-by: Tom Rini <trini@konsulko.com>
2018-04-27 14:54:48 -04:00

103 lines
2.1 KiB
C

/*
* Copyright (c) 2017 Intel Corporation
*
* SPDX-License-Identifier: GPL-2.0+
*/
#include <common.h>
#include <dwc3-uboot.h>
#include <environment.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/scu.h>
#include <asm/u-boot-x86.h>
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);
unsigned char ssn[16];
char usb0addr[18];
char serial[33];
int i;
if (!mmc)
return;
md5((unsigned char *)mmc->cid, sizeof(mmc->cid), ssn);
snprintf(usb0addr, sizeof(usb0addr), "02:00:86:%02x:%02x:%02x",
ssn[13], ssn[14], ssn[15]);
env_set("usb0addr", usb0addr);
for (i = 0; i < 16; i++)
snprintf(&serial[2 * i], 3, "%02x", ssn[i]);
env_set("serial#", serial);
#if defined(CONFIG_CMD_SAVEENV) && !defined(CONFIG_ENV_IS_NOWHERE)
env_save();
#endif
}
static void assign_hardware_id(void)
{
struct ipc_ifwi_version v;
char hardware_id[4];
int ret;
ret = scu_ipc_command(IPCMSG_GET_FW_REVISION, 1, NULL, 0, (u32 *)&v, 4);
if (ret < 0)
printf("Can't retrieve hardware revision\n");
snprintf(hardware_id, sizeof(hardware_id), "%02X", v.hardware_id);
env_set("hardware_id", hardware_id);
#if defined(CONFIG_CMD_SAVEENV) && !defined(CONFIG_ENV_IS_NOWHERE)
env_save();
#endif
}
int board_late_init(void)
{
if (!env_get("serial#"))
assign_serial();
if (!env_get("hardware_id"))
assign_hardware_id();
return 0;
}