| Liu Gang | 6ec4bed | 2011-11-12 20:02:28 +0800 | [diff] [blame^] | 1 | /* |
| 2 | * Freescale MPC85xx/MPC86xx RapidIO support |
| 3 | * |
| 4 | * Copyright 2009 Sysgo AG |
| 5 | * Thomas Moll <thomas.moll@sysgo.com> |
| 6 | * - fixed maintenance access routines, check for aligned access |
| 7 | * |
| 8 | * Copyright 2009 Integrated Device Technology, Inc. |
| 9 | * Alex Bounine <alexandre.bounine@idt.com> |
| 10 | * - Added Port-Write message handling |
| 11 | * - Added Machine Check exception handling |
| 12 | * |
| 13 | * Copyright (C) 2007, 2008, 2010, 2011 Freescale Semiconductor, Inc. |
| 14 | * Zhang Wei <wei.zhang@freescale.com> |
| 15 | * Lian Minghuan-B31939 <Minghuan.Lian@freescale.com> |
| 16 | * Liu Gang <Gang.Liu@freescale.com> |
| 17 | * |
| 18 | * Copyright 2005 MontaVista Software, Inc. |
| 19 | * Matt Porter <mporter@kernel.crashing.org> |
| 20 | * |
| 21 | * This program is free software; you can redistribute it and/or modify it |
| 22 | * under the terms of the GNU General Public License as published by the |
| 23 | * Free Software Foundation; either version 2 of the License, or (at your |
| 24 | * option) any later version. |
| 25 | */ |
| 26 | |
| 27 | #ifndef __FSL_RIO_H |
| 28 | #define __FSL_RIO_H |
| 29 | |
| 30 | #include <linux/rio.h> |
| 31 | #include <linux/rio_drv.h> |
| 32 | #include <linux/kfifo.h> |
| 33 | |
| 34 | #define RIO_REGS_WIN(mport) (((struct rio_priv *)(mport->priv))->regs_win) |
| 35 | |
| 36 | #define RIO_MAINT_WIN_SIZE 0x400000 |
| 37 | #define RIO_LTLEDCSR 0x0608 |
| 38 | |
| 39 | struct rio_atmu_regs { |
| 40 | u32 rowtar; |
| 41 | u32 rowtear; |
| 42 | u32 rowbar; |
| 43 | u32 pad2; |
| 44 | u32 rowar; |
| 45 | u32 pad3[3]; |
| 46 | }; |
| 47 | |
| 48 | struct rio_port_write_msg { |
| 49 | void *virt; |
| 50 | dma_addr_t phys; |
| 51 | u32 msg_count; |
| 52 | u32 err_count; |
| 53 | u32 discard_count; |
| 54 | }; |
| 55 | |
| 56 | struct rio_priv { |
| 57 | struct device *dev; |
| 58 | void __iomem *regs_win; |
| 59 | struct rio_atmu_regs __iomem *atmu_regs; |
| 60 | struct rio_atmu_regs __iomem *maint_atmu_regs; |
| 61 | void __iomem *maint_win; |
| 62 | struct rio_port_write_msg port_write_msg; |
| 63 | int pwirq; |
| 64 | struct work_struct pw_work; |
| 65 | struct kfifo pw_fifo; |
| 66 | spinlock_t pw_fifo_lock; |
| 67 | void *rmm_handle; /* RapidIO message manager(unit) Handle */ |
| 68 | }; |
| 69 | |
| 70 | extern void __iomem *rio_regs_win; |
| 71 | |
| 72 | extern int fsl_rio_setup_rmu(struct rio_mport *mport, |
| 73 | struct device_node *node); |
| 74 | extern int fsl_rio_port_write_init(struct rio_mport *mport); |
| 75 | extern int fsl_rio_pw_enable(struct rio_mport *mport, int enable); |
| 76 | extern void fsl_rio_port_error_handler(struct rio_mport *port, int offset); |
| 77 | |
| 78 | #endif |