projects / GitHub / mt8127 / android_kernel_alcatel_ttab.git / blame
| Commit | Line | Data |
|---|---|---|
| 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 | ||
| abc3aeae LG |
39 | #define DOORBELL_ROWAR_EN 0x80000000 |
| 40 | #define DOORBELL_ROWAR_TFLOWLV 0x08000000 /* highest priority level */ | |
| 41 | #define DOORBELL_ROWAR_PCI 0x02000000 /* PCI window */ | |
| 42 | #define DOORBELL_ROWAR_NREAD 0x00040000 /* NREAD */ | |
| 43 | #define DOORBELL_ROWAR_MAINTRD 0x00070000 /* maintenance read */ | |
| 44 | #define DOORBELL_ROWAR_RES 0x00002000 /* wrtpy: reserverd */ | |
| 45 | #define DOORBELL_ROWAR_MAINTWD 0x00007000 | |
| 46 | #define DOORBELL_ROWAR_SIZE 0x0000000b /* window size is 4k */ | |
| 47 | ||
| 48 | #define RIO_ATMU_REGS_PORT1_OFFSET 0x10c00 | |
| 49 | #define RIO_ATMU_REGS_PORT2_OFFSET 0x10e00 | |
| 50 | #define RIO_S_DBELL_REGS_OFFSET 0x13400 | |
| 51 | #define RIO_S_PW_REGS_OFFSET 0x134e0 | |
| 52 | #define RIO_ATMU_REGS_DBELL_OFFSET 0x10C40 | |
| 53 | ||
| 54 | #define MAX_MSG_UNIT_NUM 2 | |
| 55 | #define MAX_PORT_NUM 4 | |
| 56 | ||
| 6ec4bedb LG |
57 | struct rio_atmu_regs { |
| 58 | u32 rowtar; | |
| 59 | u32 rowtear; | |
| 60 | u32 rowbar; | |
| abc3aeae | 61 | u32 pad1; |
| 6ec4bedb | 62 | u32 rowar; |
| abc3aeae LG |
63 | u32 pad2[3]; |
| 64 | }; | |
| 65 | ||
| 66 | struct rio_dbell_ring { | |
| 67 | void *virt; | |
| 68 | dma_addr_t phys; | |
| 6ec4bedb LG |
69 | }; |
| 70 | ||
| 71 | struct rio_port_write_msg { | |
| 72 | void *virt; | |
| 73 | dma_addr_t phys; | |
| 74 | u32 msg_count; | |
| 75 | u32 err_count; | |
| 76 | u32 discard_count; | |
| 77 | }; | |
| 78 | ||
| abc3aeae LG |
79 | struct fsl_rio_dbell { |
| 80 | struct rio_mport *mport[MAX_PORT_NUM]; | |
| 6ec4bedb | 81 | struct device *dev; |
| abc3aeae LG |
82 | struct rio_dbell_regs __iomem *dbell_regs; |
| 83 | struct rio_dbell_ring dbell_ring; | |
| 84 | int bellirq; | |
| 85 | }; | |
| 86 | ||
| 87 | struct fsl_rio_pw { | |
| 88 | struct device *dev; | |
| 89 | struct rio_pw_regs __iomem *pw_regs; | |
| 6ec4bedb LG |
90 | struct rio_port_write_msg port_write_msg; |
| 91 | int pwirq; | |
| 92 | struct work_struct pw_work; | |
| 93 | struct kfifo pw_fifo; | |
| 94 | spinlock_t pw_fifo_lock; | |
| abc3aeae LG |
95 | }; |
| 96 | ||
| 97 | struct rio_priv { | |
| 98 | struct device *dev; | |
| 99 | void __iomem *regs_win; | |
| 100 | struct rio_atmu_regs __iomem *atmu_regs; | |
| 101 | struct rio_atmu_regs __iomem *maint_atmu_regs; | |
| 102 | void __iomem *maint_win; | |
| 6ec4bedb LG |
103 | void *rmm_handle; /* RapidIO message manager(unit) Handle */ |
| 104 | }; | |
| 105 | ||
| 106 | extern void __iomem *rio_regs_win; | |
| abc3aeae LG |
107 | extern void __iomem *rmu_regs_win; |
| 108 | ||
| 109 | extern resource_size_t rio_law_start; | |
| 110 | ||
| 111 | extern struct fsl_rio_dbell *dbell; | |
| 112 | extern struct fsl_rio_pw *pw; | |
| 6ec4bedb LG |
113 | |
| 114 | extern int fsl_rio_setup_rmu(struct rio_mport *mport, | |
| 115 | struct device_node *node); | |
| abc3aeae | 116 | extern int fsl_rio_port_write_init(struct fsl_rio_pw *pw); |
| 6ec4bedb | 117 | extern int fsl_rio_pw_enable(struct rio_mport *mport, int enable); |
| abc3aeae LG |
118 | extern void fsl_rio_port_error_handler(int offset); |
| 119 | extern int fsl_rio_doorbell_init(struct fsl_rio_dbell *dbell); | |
| 120 | ||
| 121 | extern int fsl_rio_doorbell_send(struct rio_mport *mport, | |
| 122 | int index, u16 destid, u16 data); | |
| 123 | extern int fsl_add_outb_message(struct rio_mport *mport, | |
| 124 | struct rio_dev *rdev, | |
| 125 | int mbox, void *buffer, size_t len); | |
| 126 | extern int fsl_open_outb_mbox(struct rio_mport *mport, | |
| 127 | void *dev_id, int mbox, int entries); | |
| 128 | extern void fsl_close_outb_mbox(struct rio_mport *mport, int mbox); | |
| 129 | extern int fsl_open_inb_mbox(struct rio_mport *mport, | |
| 130 | void *dev_id, int mbox, int entries); | |
| 131 | extern void fsl_close_inb_mbox(struct rio_mport *mport, int mbox); | |
| 132 | extern int fsl_add_inb_buffer(struct rio_mport *mport, int mbox, void *buf); | |
| 133 | extern void *fsl_get_inb_message(struct rio_mport *mport, int mbox); | |
| 6ec4bedb LG |
134 | |
| 135 | #endif |