diff options
Diffstat (limited to 'arch/powerpc/sysdev/fsl_rio.h')
-rw-r--r-- | arch/powerpc/sysdev/fsl_rio.h | 78 |
1 files changed, 78 insertions, 0 deletions
diff --git a/arch/powerpc/sysdev/fsl_rio.h b/arch/powerpc/sysdev/fsl_rio.h new file mode 100644 index 000000000000..f888a1effd43 --- /dev/null +++ b/arch/powerpc/sysdev/fsl_rio.h | |||
@@ -0,0 +1,78 @@ | |||
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 | ||