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@@ -283,6 +283,54 @@ int arch_cpu_init(void)
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return 0;
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}
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+#if defined(CONFIG_IMX8MN) || defined(CONFIG_IMX8MP)
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+struct rom_api *g_rom_api = (struct rom_api *)0x980;
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+
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+enum boot_device get_boot_device(void)
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+{
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+ volatile gd_t *pgd = gd;
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+ int ret;
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+ u32 boot;
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+ u16 boot_type;
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+ u8 boot_instance;
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+ enum boot_device boot_dev = SD1_BOOT;
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+
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+ ret = g_rom_api->query_boot_infor(QUERY_BT_DEV, &boot,
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+ ((uintptr_t)&boot) ^ QUERY_BT_DEV);
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+ gd = pgd;
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+
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+ if (ret != ROM_API_OKAY) {
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+ puts("ROMAPI: failure at query_boot_info\n");
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+ return -1;
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+ }
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+
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+ boot_type = boot >> 16;
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+ boot_instance = (boot >> 8) & 0xff;
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+
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+ switch (boot_type) {
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+ case BT_DEV_TYPE_SD:
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+ boot_dev = boot_instance + SD1_BOOT;
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+ break;
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+ case BT_DEV_TYPE_MMC:
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+ boot_dev = boot_instance + MMC1_BOOT;
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+ break;
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+ case BT_DEV_TYPE_NAND:
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+ boot_dev = NAND_BOOT;
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+ break;
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+ case BT_DEV_TYPE_FLEXSPINOR:
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+ boot_dev = QSPI_BOOT;
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+ break;
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+ case BT_DEV_TYPE_USB:
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+ boot_dev = USB_BOOT;
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+ break;
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+ default:
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+ break;
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+ }
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+
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+ return boot_dev;
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+}
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+#endif
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+
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bool is_usb_boot(void)
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{
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return get_boot_device() == USB_BOOT;
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