x86: baytrail: Add platform ASL files

This adds basic BayTrail platform ASL files. They are intended to be
included in dsdt.asl of any board that is based on this platform.

Note: ACPI mode support for GPIO/LPSS/SCC/LPE are not supported for
now. They will be added in the future.

Signed-off-by: Bin Meng <bmeng.cn@gmail.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
diff --git a/arch/x86/include/asm/arch-baytrail/device.h b/arch/x86/include/asm/arch-baytrail/device.h
new file mode 100644
index 0000000..798d35b
--- /dev/null
+++ b/arch/x86/include/asm/arch-baytrail/device.h
@@ -0,0 +1,74 @@
+/*
+ * Copyright (C) 2013 Google Inc.
+ * Copyright (C) 2016 Bin Meng <bmeng.cn@gmail.com>
+ *
+ * Modified from coreboot src/soc/intel/baytrail/include/soc/pci_devs.h
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ */
+
+#ifndef _DEVICE_H_
+#define _DEVICE_H_
+
+/*
+ * Internal PCI device numbers within the SoC.
+ *
+ * Note it must start with 0x_ prefix, as the device number macro will be
+ * included in the ACPI ASL files (see irq_helper.h and irq_route.h).
+ */
+
+/* SoC transaction router */
+#define SOC_DEV		0x00
+
+/* Graphics and Display */
+#define GFX_DEV		0x02
+
+/* MIPI */
+#define MIPI_DEV	0x03
+
+/* EMMC Port */
+#define EMMC_DEV	0x10
+
+/* SDIO Port */
+#define SDIO_DEV	0x11
+
+/* SD Port */
+#define SD_DEV		0x12
+
+/* SATA */
+#define SATA_DEV	0x13
+
+/* xHCI */
+#define XHCI_DEV	0x14
+
+/* LPE Audio */
+#define LPE_DEV		0x15
+
+/* OTG */
+#define OTG_DEV		0x16
+
+/* MMC45 Port */
+#define MMC45_DEV	0x17
+
+/* Serial IO 1 */
+#define SIO1_DEV	0x18
+
+/* Trusted Execution Engine */
+#define TXE_DEV		0x1a
+
+/* HD Audio */
+#define HDA_DEV		0x1b
+
+/* PCIe Ports */
+#define PCIE_DEV	0x1c
+
+/* EHCI */
+#define EHCI_DEV	0x1d
+
+/* Serial IO 2 */
+#define SIO2_DEV	0x1e
+
+/* Platform Controller Unit */
+#define PCU_DEV		0x1f
+
+#endif /* _DEVICE_H_ */