12345678910111213141516171819202122232425262728293031323334353637383940414243444546474849505152535455565758596061626364656667686970717273 |
- /*
- * Marvell MBUS common definitions.
- *
- * Copyright (C) 2008 Marvell Semiconductor
- *
- * This file is licensed under the terms of the GNU General Public
- * License version 2. This program is licensed "as is" without any
- * warranty of any kind, whether express or implied.
- */
- #ifndef __LINUX_MBUS_H
- #define __LINUX_MBUS_H
- struct resource;
- struct mbus_dram_target_info {
- /*
- * The 4-bit MBUS target ID of the DRAM controller.
- */
- u8 mbus_dram_target_id;
- /*
- * The base address, size, and MBUS attribute ID for each
- * of the possible DRAM chip selects. Peripherals are
- * required to support at least 4 decode windows.
- */
- int num_cs;
- struct mbus_dram_window {
- u8 cs_index;
- u8 mbus_attr;
- u32 base;
- u32 size;
- } cs[4];
- };
- struct mvebu_mbus_state {
- void __iomem *mbuswins_base;
- void __iomem *sdramwins_base;
- struct dentry *debugfs_root;
- struct dentry *debugfs_sdram;
- struct dentry *debugfs_devs;
- const struct mvebu_mbus_soc_data *soc;
- int hw_io_coherency;
- };
- /* Flags for PCI/PCIe address decoding regions */
- #define MVEBU_MBUS_PCI_IO 0x1
- #define MVEBU_MBUS_PCI_MEM 0x2
- #define MVEBU_MBUS_PCI_WA 0x3
- /*
- * Magic value that explicits that we don't need a remapping-capable
- * address decoding window.
- */
- #define MVEBU_MBUS_NO_REMAP (0xffffffff)
- /* Maximum size of a mbus window name */
- #define MVEBU_MBUS_MAX_WINNAME_SZ 32
- const struct mbus_dram_target_info *mvebu_mbus_dram_info(void);
- void mvebu_mbus_get_pcie_mem_aperture(struct resource *res);
- void mvebu_mbus_get_pcie_io_aperture(struct resource *res);
- int mvebu_mbus_add_window_remap_by_id(unsigned int target,
- unsigned int attribute,
- phys_addr_t base, size_t size,
- phys_addr_t remap);
- int mvebu_mbus_add_window_by_id(unsigned int target, unsigned int attribute,
- phys_addr_t base, size_t size);
- int mvebu_mbus_del_window(phys_addr_t base, size_t size);
- int mbus_dt_setup_win(struct mvebu_mbus_state *mbus,
- u32 base, u32 size, u8 target, u8 attr);
- #endif /* __LINUX_MBUS_H */
|