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145 lines
4.0 KiB
145 lines
4.0 KiB
/* 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 <[email protected]> |
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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 <[email protected]> |
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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 <[email protected]> |
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* Lian Minghuan-B31939 <[email protected]> |
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* Liu Gang <[email protected]> |
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* |
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* Copyright 2005 MontaVista Software, Inc. |
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* Matt Porter <[email protected]> |
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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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