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