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
16 struct mbus_dram_target_info {
18 * The 4-bit MBUS target ID of the DRAM controller.
20 u8 mbus_dram_target_id;
23 * The base address, size, and MBUS attribute ID for each
24 * of the possible DRAM chip selects. Peripherals are
25 * required to support at least 4 decode windows.
28 struct mbus_dram_window {
36 /* Flags for PCI/PCIe address decoding regions */
37 #define MVEBU_MBUS_PCI_IO 0x1
38 #define MVEBU_MBUS_PCI_MEM 0x2
39 #define MVEBU_MBUS_PCI_WA 0x3
42 * Magic value that explicits that we don't need a remapping-capable
43 * address decoding window.
45 #define MVEBU_MBUS_NO_REMAP (0xffffffff)
47 /* Maximum size of a mbus window name */
48 #define MVEBU_MBUS_MAX_WINNAME_SZ 32
50 const struct mbus_dram_target_info *mvebu_mbus_dram_info(void);
51 void mvebu_mbus_get_pcie_mem_aperture(struct resource *res);
52 void mvebu_mbus_get_pcie_io_aperture(struct resource *res);
53 int mvebu_mbus_add_window_remap_by_id(unsigned int target,
54 unsigned int attribute,
55 phys_addr_t base, size_t size,
57 int mvebu_mbus_add_window_by_id(unsigned int target, unsigned int attribute,
58 phys_addr_t base, size_t size);
59 int mvebu_mbus_del_window(phys_addr_t base, size_t size);
60 int mbus_dt_setup_win(u32 base, u32 size, u8 target, u8 attr);
62 #endif /* __LINUX_MBUS_H */