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/*
* drivers/net/ibm_emac/ibm_emac_tah.h
*
* Driver for PowerPC 4xx on-chip ethernet controller, TAH support.
*
* Copyright 2004 MontaVista Software, Inc.
* Matt Porter <mporter@kernel.crashing.org>
*
* Copyright (c) 2005 Eugene Surovegin <ebs@ebshome.net>
*
* 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 _IBM_EMAC_TAH_H
#define _IBM_EMAC_TAH_H
#include <linux/config.h>
#include <linux/init.h>
#include <asm/ocp.h>
/* TAH */
struct tah_regs {
u32 revid;
u32 pad[3];
u32 mr;
u32 ssr0;
u32 ssr1;
u32 ssr2;
u32 ssr3;
u32 ssr4;
u32 ssr5;
u32 tsr;
};
/* TAH engine */
#define TAH_MR_CVR 0x80000000
#define TAH_MR_SR 0x40000000
#define TAH_MR_ST_256 0x01000000
#define TAH_MR_ST_512 0x02000000
#define TAH_MR_ST_768 0x03000000
#define TAH_MR_ST_1024 0x04000000
#define TAH_MR_ST_1280 0x05000000
#define TAH_MR_ST_1536 0x06000000
#define TAH_MR_TFS_16KB 0x00000000
#define TAH_MR_TFS_2KB 0x00200000
#define TAH_MR_TFS_4KB 0x00400000
#define TAH_MR_TFS_6KB 0x00600000
#define TAH_MR_TFS_8KB 0x00800000
#define TAH_MR_TFS_10KB 0x00a00000
#define TAH_MR_DTFP 0x00100000
#define TAH_MR_DIG 0x00080000
#ifdef CONFIG_IBM_EMAC_TAH
int tah_attach(void *emac) __init;
void __tah_fini(struct ocp_device *ocpdev) __exit;
static inline void tah_fini(struct ocp_device *ocpdev)
{
if (ocpdev)
__tah_fini(ocpdev);
}
void __tah_reset(struct ocp_device *ocpdev);
static inline void tah_reset(struct ocp_device *ocpdev)
{
if (ocpdev)
__tah_reset(ocpdev);
}
int __tah_get_regs_len(struct ocp_device *ocpdev);
static inline int tah_get_regs_len(struct ocp_device *ocpdev)
{
return ocpdev ? __tah_get_regs_len(ocpdev) : 0;
}
void *tah_dump_regs(struct ocp_device *ocpdev, void *buf);
#else
# define tah_attach(x) 0
# define tah_fini(x) ((void)0)
# define tah_reset(x) ((void)0)
# define tah_get_regs_len(x) 0
# define tah_dump_regs(x,buf) (buf)
#endif /* !CONFIG_IBM_EMAC_TAH */
#endif /* _IBM_EMAC_TAH_H */
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