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Based on 1 normalized pattern(s): 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 extracted by the scancode license scanner the SPDX license identifier GPL-2.0-or-later has been chosen to replace the boilerplate/reference in 3029 file(s). Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Reviewed-by: Allison Randal <allison@lohutok.net> Cc: linux-spdx@vger.kernel.org Link: https://lkml.kernel.org/r/20190527070032.746973796@linutronix.de Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
146 lines
4.0 KiB
C
146 lines
4.0 KiB
C
/* SPDX-License-Identifier: GPL-2.0-or-later */
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/*
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* Freescale MPC85xx/MPC86xx RapidIO support
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*
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* Copyright 2009 Sysgo AG
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* Thomas Moll <thomas.moll@sysgo.com>
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* - fixed maintenance access routines, check for aligned access
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*
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* Copyright 2009 Integrated Device Technology, Inc.
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* Alex Bounine <alexandre.bounine@idt.com>
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* - Added Port-Write message handling
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* - Added Machine Check exception handling
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*
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* Copyright (C) 2007, 2008, 2010, 2011 Freescale Semiconductor, Inc.
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* Zhang Wei <wei.zhang@freescale.com>
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* Lian Minghuan-B31939 <Minghuan.Lian@freescale.com>
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* Liu Gang <Gang.Liu@freescale.com>
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*
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* Copyright 2005 MontaVista Software, Inc.
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* Matt Porter <mporter@kernel.crashing.org>
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*/
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#ifndef __FSL_RIO_H
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#define __FSL_RIO_H
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#include <linux/rio.h>
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#include <linux/rio_drv.h>
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#include <linux/kfifo.h>
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#define RIO_REGS_WIN(mport) (((struct rio_priv *)(mport->priv))->regs_win)
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#define RIO_MAINT_WIN_SIZE 0x400000
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#define RIO_LTLEDCSR 0x0608
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#define DOORBELL_ROWAR_EN 0x80000000
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#define DOORBELL_ROWAR_TFLOWLV 0x08000000 /* highest priority level */
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#define DOORBELL_ROWAR_PCI 0x02000000 /* PCI window */
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#define DOORBELL_ROWAR_NREAD 0x00040000 /* NREAD */
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#define DOORBELL_ROWAR_MAINTRD 0x00070000 /* maintenance read */
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#define DOORBELL_ROWAR_RES 0x00002000 /* wrtpy: reserved */
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#define DOORBELL_ROWAR_MAINTWD 0x00007000
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#define DOORBELL_ROWAR_SIZE 0x0000000b /* window size is 4k */
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#define RIO_ATMU_REGS_PORT1_OFFSET 0x10c00
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#define RIO_ATMU_REGS_PORT2_OFFSET 0x10e00
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#define RIO_S_DBELL_REGS_OFFSET 0x13400
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#define RIO_S_PW_REGS_OFFSET 0x134e0
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#define RIO_ATMU_REGS_DBELL_OFFSET 0x10C40
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#define RIO_INB_ATMU_REGS_PORT1_OFFSET 0x10d60
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#define RIO_INB_ATMU_REGS_PORT2_OFFSET 0x10f60
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#define MAX_MSG_UNIT_NUM 2
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#define MAX_PORT_NUM 4
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#define RIO_INB_ATMU_COUNT 4
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struct rio_atmu_regs {
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u32 rowtar;
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u32 rowtear;
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u32 rowbar;
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u32 pad1;
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u32 rowar;
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u32 pad2[3];
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};
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struct rio_inb_atmu_regs {
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u32 riwtar;
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u32 pad1;
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u32 riwbar;
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u32 pad2;
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u32 riwar;
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u32 pad3[3];
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};
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struct rio_dbell_ring {
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void *virt;
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dma_addr_t phys;
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};
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struct rio_port_write_msg {
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void *virt;
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dma_addr_t phys;
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u32 msg_count;
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u32 err_count;
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u32 discard_count;
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};
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struct fsl_rio_dbell {
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struct rio_mport *mport[MAX_PORT_NUM];
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struct device *dev;
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struct rio_dbell_regs __iomem *dbell_regs;
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struct rio_dbell_ring dbell_ring;
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int bellirq;
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};
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struct fsl_rio_pw {
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struct rio_mport *mport[MAX_PORT_NUM];
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struct device *dev;
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struct rio_pw_regs __iomem *pw_regs;
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struct rio_port_write_msg port_write_msg;
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int pwirq;
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struct work_struct pw_work;
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struct kfifo pw_fifo;
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spinlock_t pw_fifo_lock;
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};
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struct rio_priv {
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struct device *dev;
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void __iomem *regs_win;
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struct rio_atmu_regs __iomem *atmu_regs;
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struct rio_atmu_regs __iomem *maint_atmu_regs;
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struct rio_inb_atmu_regs __iomem *inb_atmu_regs;
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void __iomem *maint_win;
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void *rmm_handle; /* RapidIO message manager(unit) Handle */
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};
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extern void __iomem *rio_regs_win;
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extern void __iomem *rmu_regs_win;
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extern resource_size_t rio_law_start;
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extern struct fsl_rio_dbell *dbell;
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extern struct fsl_rio_pw *pw;
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extern int fsl_rio_setup_rmu(struct rio_mport *mport,
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struct device_node *node);
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extern int fsl_rio_port_write_init(struct fsl_rio_pw *pw);
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extern int fsl_rio_pw_enable(struct rio_mport *mport, int enable);
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extern void fsl_rio_port_error_handler(int offset);
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extern int fsl_rio_doorbell_init(struct fsl_rio_dbell *dbell);
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extern int fsl_rio_doorbell_send(struct rio_mport *mport,
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int index, u16 destid, u16 data);
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extern int fsl_add_outb_message(struct rio_mport *mport,
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struct rio_dev *rdev,
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int mbox, void *buffer, size_t len);
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extern int fsl_open_outb_mbox(struct rio_mport *mport,
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void *dev_id, int mbox, int entries);
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extern void fsl_close_outb_mbox(struct rio_mport *mport, int mbox);
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extern int fsl_open_inb_mbox(struct rio_mport *mport,
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void *dev_id, int mbox, int entries);
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extern void fsl_close_inb_mbox(struct rio_mport *mport, int mbox);
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extern int fsl_add_inb_buffer(struct rio_mport *mport, int mbox, void *buf);
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extern void *fsl_get_inb_message(struct rio_mport *mport, int mbox);
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#endif
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