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/*
* Freescale MPC85xx/MPC86xx RapidIO support
*
* Copyright 2009 Sysgo AG
* Thomas Moll <thomas.moll@sysgo.com>
* - fixed maintenance access routines, check for aligned access
*
* Copyright 2009 Integrated Device Technology, Inc.
* Alex Bounine <alexandre.bounine@idt.com>
* - Added Port-Write message handling
* - Added Machine Check exception handling
*
* Copyright (C) 2007, 2008, 2010, 2011 Freescale Semiconductor, Inc.
* Zhang Wei <wei.zhang@freescale.com>
* Lian Minghuan-B31939 <Minghuan.Lian@freescale.com>
* Liu Gang <Gang.Liu@freescale.com>
*
* Copyright 2005 MontaVista Software, Inc.
* Matt Porter <mporter@kernel.crashing.org>
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the
* Free Software Foundation; either version 2 of the License, or (at your
* option) any later version.
*/
#ifndef __FSL_RIO_H
#define __FSL_RIO_H
#include <linux/rio.h>
#include <linux/rio_drv.h>
#include <linux/kfifo.h>
#define RIO_REGS_WIN(mport) (((struct rio_priv *)(mport->priv))->regs_win)
#define RIO_MAINT_WIN_SIZE 0x400000
#define RIO_LTLEDCSR 0x0608
struct rio_atmu_regs {
u32 rowtar;
u32 rowtear;
u32 rowbar;
u32 pad2;
u32 rowar;
u32 pad3[3];
};
struct rio_port_write_msg {
void *virt;
dma_addr_t phys;
u32 msg_count;
u32 err_count;
u32 discard_count;
};
struct rio_priv {
struct device *dev;
void __iomem *regs_win;
struct rio_atmu_regs __iomem *atmu_regs;
struct rio_atmu_regs __iomem *maint_atmu_regs;
void __iomem *maint_win;
struct rio_port_write_msg port_write_msg;
int pwirq;
struct work_struct pw_work;
struct kfifo pw_fifo;
spinlock_t pw_fifo_lock;
void *rmm_handle; /* RapidIO message manager(unit) Handle */
};
extern void __iomem *rio_regs_win;
extern int fsl_rio_setup_rmu(struct rio_mport *mport,
struct device_node *node);
extern int fsl_rio_port_write_init(struct rio_mport *mport);
extern int fsl_rio_pw_enable(struct rio_mport *mport, int enable);
extern void fsl_rio_port_error_handler(struct rio_mport *port, int offset);
#endif
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