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-rw-r--r--board/intel/edison/edison.c105
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;
+}