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6ec4bedb LG |
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 |