2 * Marvell MBUS common definitions.
4 * Copyright (C) 2008 Marvell Semiconductor
6 * This file is licensed under the terms of the GNU General Public
7 * License version 2. This program is licensed "as is" without any
8 * warranty of any kind, whether express or implied.
11 #ifndef __LINUX_MBUS_H
12 #define __LINUX_MBUS_H
14 struct mbus_dram_target_info
17 * The 4-bit MBUS target ID of the DRAM controller.
19 u8 mbus_dram_target_id;
22 * The base address, size, and MBUS attribute ID for each
23 * of the possible DRAM chip selects. Peripherals are
24 * required to support at least 4 decode windows.
27 struct mbus_dram_window {
35 /* Flags for PCI/PCIe address decoding regions */
36 #define MVEBU_MBUS_PCI_IO 0x1
37 #define MVEBU_MBUS_PCI_MEM 0x2
38 #define MVEBU_MBUS_PCI_WA 0x3
41 * Magic value that explicits that we don't need a remapping-capable
42 * address decoding window.
44 #define MVEBU_MBUS_NO_REMAP (0xffffffff)
46 /* Maximum size of a mbus window name */
47 #define MVEBU_MBUS_MAX_WINNAME_SZ 32
50 * The Marvell mbus is to be found only on SOCs from the Orion family
51 * at the moment. Provide a dummy stub for other architectures.
53 #ifdef CONFIG_PLAT_ORION
54 extern const struct mbus_dram_target_info *mv_mbus_dram_info(void);
56 static inline const struct mbus_dram_target_info *mv_mbus_dram_info(void)
62 int mvebu_mbus_add_window_remap_flags(const char *devname, phys_addr_t base,
63 size_t size, phys_addr_t remap,
65 int mvebu_mbus_add_window(const char *devname, phys_addr_t base,
67 int mvebu_mbus_del_window(phys_addr_t base, size_t size);
68 int mvebu_mbus_init(const char *soc, phys_addr_t mbus_phys_base,
69 size_t mbus_size, phys_addr_t sdram_phys_base,
72 #endif /* __LINUX_MBUS_H */