1*6ec4bedbSLiu Gang /* 2*6ec4bedbSLiu Gang * Freescale MPC85xx/MPC86xx RapidIO support 3*6ec4bedbSLiu Gang * 4*6ec4bedbSLiu Gang * Copyright 2009 Sysgo AG 5*6ec4bedbSLiu Gang * Thomas Moll <thomas.moll@sysgo.com> 6*6ec4bedbSLiu Gang * - fixed maintenance access routines, check for aligned access 7*6ec4bedbSLiu Gang * 8*6ec4bedbSLiu Gang * Copyright 2009 Integrated Device Technology, Inc. 9*6ec4bedbSLiu Gang * Alex Bounine <alexandre.bounine@idt.com> 10*6ec4bedbSLiu Gang * - Added Port-Write message handling 11*6ec4bedbSLiu Gang * - Added Machine Check exception handling 12*6ec4bedbSLiu Gang * 13*6ec4bedbSLiu Gang * Copyright (C) 2007, 2008, 2010, 2011 Freescale Semiconductor, Inc. 14*6ec4bedbSLiu Gang * Zhang Wei <wei.zhang@freescale.com> 15*6ec4bedbSLiu Gang * Lian Minghuan-B31939 <Minghuan.Lian@freescale.com> 16*6ec4bedbSLiu Gang * Liu Gang <Gang.Liu@freescale.com> 17*6ec4bedbSLiu Gang * 18*6ec4bedbSLiu Gang * Copyright 2005 MontaVista Software, Inc. 19*6ec4bedbSLiu Gang * Matt Porter <mporter@kernel.crashing.org> 20*6ec4bedbSLiu Gang * 21*6ec4bedbSLiu Gang * This program is free software; you can redistribute it and/or modify it 22*6ec4bedbSLiu Gang * under the terms of the GNU General Public License as published by the 23*6ec4bedbSLiu Gang * Free Software Foundation; either version 2 of the License, or (at your 24*6ec4bedbSLiu Gang * option) any later version. 25*6ec4bedbSLiu Gang */ 26*6ec4bedbSLiu Gang 27*6ec4bedbSLiu Gang #ifndef __FSL_RIO_H 28*6ec4bedbSLiu Gang #define __FSL_RIO_H 29*6ec4bedbSLiu Gang 30*6ec4bedbSLiu Gang #include <linux/rio.h> 31*6ec4bedbSLiu Gang #include <linux/rio_drv.h> 32*6ec4bedbSLiu Gang #include <linux/kfifo.h> 33*6ec4bedbSLiu Gang 34*6ec4bedbSLiu Gang #define RIO_REGS_WIN(mport) (((struct rio_priv *)(mport->priv))->regs_win) 35*6ec4bedbSLiu Gang 36*6ec4bedbSLiu Gang #define RIO_MAINT_WIN_SIZE 0x400000 37*6ec4bedbSLiu Gang #define RIO_LTLEDCSR 0x0608 38*6ec4bedbSLiu Gang 39*6ec4bedbSLiu Gang struct rio_atmu_regs { 40*6ec4bedbSLiu Gang u32 rowtar; 41*6ec4bedbSLiu Gang u32 rowtear; 42*6ec4bedbSLiu Gang u32 rowbar; 43*6ec4bedbSLiu Gang u32 pad2; 44*6ec4bedbSLiu Gang u32 rowar; 45*6ec4bedbSLiu Gang u32 pad3[3]; 46*6ec4bedbSLiu Gang }; 47*6ec4bedbSLiu Gang 48*6ec4bedbSLiu Gang struct rio_port_write_msg { 49*6ec4bedbSLiu Gang void *virt; 50*6ec4bedbSLiu Gang dma_addr_t phys; 51*6ec4bedbSLiu Gang u32 msg_count; 52*6ec4bedbSLiu Gang u32 err_count; 53*6ec4bedbSLiu Gang u32 discard_count; 54*6ec4bedbSLiu Gang }; 55*6ec4bedbSLiu Gang 56*6ec4bedbSLiu Gang struct rio_priv { 57*6ec4bedbSLiu Gang struct device *dev; 58*6ec4bedbSLiu Gang void __iomem *regs_win; 59*6ec4bedbSLiu Gang struct rio_atmu_regs __iomem *atmu_regs; 60*6ec4bedbSLiu Gang struct rio_atmu_regs __iomem *maint_atmu_regs; 61*6ec4bedbSLiu Gang void __iomem *maint_win; 62*6ec4bedbSLiu Gang struct rio_port_write_msg port_write_msg; 63*6ec4bedbSLiu Gang int pwirq; 64*6ec4bedbSLiu Gang struct work_struct pw_work; 65*6ec4bedbSLiu Gang struct kfifo pw_fifo; 66*6ec4bedbSLiu Gang spinlock_t pw_fifo_lock; 67*6ec4bedbSLiu Gang void *rmm_handle; /* RapidIO message manager(unit) Handle */ 68*6ec4bedbSLiu Gang }; 69*6ec4bedbSLiu Gang 70*6ec4bedbSLiu Gang extern void __iomem *rio_regs_win; 71*6ec4bedbSLiu Gang 72*6ec4bedbSLiu Gang extern int fsl_rio_setup_rmu(struct rio_mport *mport, 73*6ec4bedbSLiu Gang struct device_node *node); 74*6ec4bedbSLiu Gang extern int fsl_rio_port_write_init(struct rio_mport *mport); 75*6ec4bedbSLiu Gang extern int fsl_rio_pw_enable(struct rio_mport *mport, int enable); 76*6ec4bedbSLiu Gang extern void fsl_rio_port_error_handler(struct rio_mport *port, int offset); 77*6ec4bedbSLiu Gang 78*6ec4bedbSLiu Gang #endif 79