136 строки
3.9 KiB
C
136 строки
3.9 KiB
C
/*
|
|
* Freescale MPC85xx/MPC86xx RapidIO support
|
|
*
|
|
* Copyright 2009 Sysgo AG
|
|
* Thomas Moll <thomas.moll@sysgo.com>
|
|
* - fixed maintenance access routines, check for aligned access
|
|
*
|
|
* Copyright 2009 Integrated Device Technology, Inc.
|
|
* Alex Bounine <alexandre.bounine@idt.com>
|
|
* - Added Port-Write message handling
|
|
* - Added Machine Check exception handling
|
|
*
|
|
* Copyright (C) 2007, 2008, 2010, 2011 Freescale Semiconductor, Inc.
|
|
* Zhang Wei <wei.zhang@freescale.com>
|
|
* Lian Minghuan-B31939 <Minghuan.Lian@freescale.com>
|
|
* Liu Gang <Gang.Liu@freescale.com>
|
|
*
|
|
* Copyright 2005 MontaVista Software, Inc.
|
|
* Matt Porter <mporter@kernel.crashing.org>
|
|
*
|
|
* This program is free software; you can redistribute it and/or modify it
|
|
* under the terms of the GNU General Public License as published by the
|
|
* Free Software Foundation; either version 2 of the License, or (at your
|
|
* option) any later version.
|
|
*/
|
|
|
|
#ifndef __FSL_RIO_H
|
|
#define __FSL_RIO_H
|
|
|
|
#include <linux/rio.h>
|
|
#include <linux/rio_drv.h>
|
|
#include <linux/kfifo.h>
|
|
|
|
#define RIO_REGS_WIN(mport) (((struct rio_priv *)(mport->priv))->regs_win)
|
|
|
|
#define RIO_MAINT_WIN_SIZE 0x400000
|
|
#define RIO_LTLEDCSR 0x0608
|
|
|
|
#define DOORBELL_ROWAR_EN 0x80000000
|
|
#define DOORBELL_ROWAR_TFLOWLV 0x08000000 /* highest priority level */
|
|
#define DOORBELL_ROWAR_PCI 0x02000000 /* PCI window */
|
|
#define DOORBELL_ROWAR_NREAD 0x00040000 /* NREAD */
|
|
#define DOORBELL_ROWAR_MAINTRD 0x00070000 /* maintenance read */
|
|
#define DOORBELL_ROWAR_RES 0x00002000 /* wrtpy: reserverd */
|
|
#define DOORBELL_ROWAR_MAINTWD 0x00007000
|
|
#define DOORBELL_ROWAR_SIZE 0x0000000b /* window size is 4k */
|
|
|
|
#define RIO_ATMU_REGS_PORT1_OFFSET 0x10c00
|
|
#define RIO_ATMU_REGS_PORT2_OFFSET 0x10e00
|
|
#define RIO_S_DBELL_REGS_OFFSET 0x13400
|
|
#define RIO_S_PW_REGS_OFFSET 0x134e0
|
|
#define RIO_ATMU_REGS_DBELL_OFFSET 0x10C40
|
|
|
|
#define MAX_MSG_UNIT_NUM 2
|
|
#define MAX_PORT_NUM 4
|
|
|
|
struct rio_atmu_regs {
|
|
u32 rowtar;
|
|
u32 rowtear;
|
|
u32 rowbar;
|
|
u32 pad1;
|
|
u32 rowar;
|
|
u32 pad2[3];
|
|
};
|
|
|
|
struct rio_dbell_ring {
|
|
void *virt;
|
|
dma_addr_t phys;
|
|
};
|
|
|
|
struct rio_port_write_msg {
|
|
void *virt;
|
|
dma_addr_t phys;
|
|
u32 msg_count;
|
|
u32 err_count;
|
|
u32 discard_count;
|
|
};
|
|
|
|
struct fsl_rio_dbell {
|
|
struct rio_mport *mport[MAX_PORT_NUM];
|
|
struct device *dev;
|
|
struct rio_dbell_regs __iomem *dbell_regs;
|
|
struct rio_dbell_ring dbell_ring;
|
|
int bellirq;
|
|
};
|
|
|
|
struct fsl_rio_pw {
|
|
struct device *dev;
|
|
struct rio_pw_regs __iomem *pw_regs;
|
|
struct rio_port_write_msg port_write_msg;
|
|
int pwirq;
|
|
struct work_struct pw_work;
|
|
struct kfifo pw_fifo;
|
|
spinlock_t pw_fifo_lock;
|
|
};
|
|
|
|
struct rio_priv {
|
|
struct device *dev;
|
|
void __iomem *regs_win;
|
|
struct rio_atmu_regs __iomem *atmu_regs;
|
|
struct rio_atmu_regs __iomem *maint_atmu_regs;
|
|
void __iomem *maint_win;
|
|
void *rmm_handle; /* RapidIO message manager(unit) Handle */
|
|
};
|
|
|
|
extern void __iomem *rio_regs_win;
|
|
extern void __iomem *rmu_regs_win;
|
|
|
|
extern resource_size_t rio_law_start;
|
|
|
|
extern struct fsl_rio_dbell *dbell;
|
|
extern struct fsl_rio_pw *pw;
|
|
|
|
extern int fsl_rio_setup_rmu(struct rio_mport *mport,
|
|
struct device_node *node);
|
|
extern int fsl_rio_port_write_init(struct fsl_rio_pw *pw);
|
|
extern int fsl_rio_pw_enable(struct rio_mport *mport, int enable);
|
|
extern void fsl_rio_port_error_handler(int offset);
|
|
extern int fsl_rio_doorbell_init(struct fsl_rio_dbell *dbell);
|
|
|
|
extern int fsl_rio_doorbell_send(struct rio_mport *mport,
|
|
int index, u16 destid, u16 data);
|
|
extern int fsl_add_outb_message(struct rio_mport *mport,
|
|
struct rio_dev *rdev,
|
|
int mbox, void *buffer, size_t len);
|
|
extern int fsl_open_outb_mbox(struct rio_mport *mport,
|
|
void *dev_id, int mbox, int entries);
|
|
extern void fsl_close_outb_mbox(struct rio_mport *mport, int mbox);
|
|
extern int fsl_open_inb_mbox(struct rio_mport *mport,
|
|
void *dev_id, int mbox, int entries);
|
|
extern void fsl_close_inb_mbox(struct rio_mport *mport, int mbox);
|
|
extern int fsl_add_inb_buffer(struct rio_mport *mport, int mbox, void *buf);
|
|
extern void *fsl_get_inb_message(struct rio_mport *mport, int mbox);
|
|
|
|
#endif
|