linux-sg2042/include/linux/mbus.h

48 lines
1.1 KiB
C

/*
* 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 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];
};
/*
* The Marvell mbus is to be found only on SOCs from the Orion family
* at the moment. Provide a dummy stub for other architectures.
*/
#ifdef CONFIG_PLAT_ORION
extern const struct mbus_dram_target_info *mv_mbus_dram_info(void);
#else
static inline const struct mbus_dram_target_info *mv_mbus_dram_info(void)
{
return NULL;
}
#endif
#endif