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 @@ +/* + * 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 + +struct rio_atmu_regs { + u32 rowtar; + u32 rowtear; + u32 rowbar; + u32 pad2; + u32 rowar; + u32 pad3[3]; +}; + +struct rio_port_write_msg { + void *virt; + dma_addr_t phys; + u32 msg_count; + u32 err_count; + u32 discard_count; +}; + +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; + struct rio_port_write_msg port_write_msg; + int pwirq; + struct work_struct pw_work; + struct kfifo pw_fifo; + spinlock_t pw_fifo_lock; + void *rmm_handle; /* RapidIO message manager(unit) Handle */ +}; + +extern void __iomem *rio_regs_win; + +extern int fsl_rio_setup_rmu(struct rio_mport *mport, + struct device_node *node); +extern int fsl_rio_port_write_init(struct rio_mport *mport); +extern int fsl_rio_pw_enable(struct rio_mport *mport, int enable); +extern void fsl_rio_port_error_handler(struct rio_mport *port, int offset); + +#endif |
