diff options
Diffstat (limited to 'board/intel/edison/edison.c')
-rw-r--r-- | board/intel/edison/edison.c | 105 |
1 files changed, 105 insertions, 0 deletions
diff --git a/board/intel/edison/edison.c b/board/intel/edison/edison.c new file mode 100644 index 0000000000..4b1e6d0f47 --- /dev/null +++ b/board/intel/edison/edison.c @@ -0,0 +1,105 @@ +/* + * 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> + +DECLARE_GLOBAL_DATA_PTR; + +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; +} |