1/* 2 * drivers/net/ibm_emac/ibm_emac_tah.h 3 * 4 * Driver for PowerPC 4xx on-chip ethernet controller, TAH support. 5 * 6 * Copyright 2004 MontaVista Software, Inc. 7 * Matt Porter <mporter@kernel.crashing.org> 8 * 9 * Copyright (c) 2005 Eugene Surovegin <ebs@ebshome.net> 10 * 11 * This program is free software; you can redistribute it and/or modify it 12 * under the terms of the GNU General Public License as published by the 13 * Free Software Foundation; either version 2 of the License, or (at your 14 * option) any later version. 15 */ 16 17#ifndef _IBM_EMAC_TAH_H 18#define _IBM_EMAC_TAH_H 19 20#include <linux/init.h> 21#include <asm/ocp.h> 22 23/* TAH */ 24struct tah_regs { 25 u32 revid; 26 u32 pad[3]; 27 u32 mr; 28 u32 ssr0; 29 u32 ssr1; 30 u32 ssr2; 31 u32 ssr3; 32 u32 ssr4; 33 u32 ssr5; 34 u32 tsr; 35}; 36 37/* TAH engine */ 38#define TAH_MR_CVR 0x80000000 39#define TAH_MR_SR 0x40000000 40#define TAH_MR_ST_256 0x01000000 41#define TAH_MR_ST_512 0x02000000 42#define TAH_MR_ST_768 0x03000000 43#define TAH_MR_ST_1024 0x04000000 44#define TAH_MR_ST_1280 0x05000000 45#define TAH_MR_ST_1536 0x06000000 46#define TAH_MR_TFS_16KB 0x00000000 47#define TAH_MR_TFS_2KB 0x00200000 48#define TAH_MR_TFS_4KB 0x00400000 49#define TAH_MR_TFS_6KB 0x00600000 50#define TAH_MR_TFS_8KB 0x00800000 51#define TAH_MR_TFS_10KB 0x00a00000 52#define TAH_MR_DTFP 0x00100000 53#define TAH_MR_DIG 0x00080000 54 55#ifdef CONFIG_IBM_EMAC_TAH 56int tah_attach(void *emac) __init; 57 58void __tah_fini(struct ocp_device *ocpdev); 59static inline void tah_fini(struct ocp_device *ocpdev) 60{ 61 if (ocpdev) 62 __tah_fini(ocpdev); 63} 64 65void __tah_reset(struct ocp_device *ocpdev); 66static inline void tah_reset(struct ocp_device *ocpdev) 67{ 68 if (ocpdev) 69 __tah_reset(ocpdev); 70} 71 72int __tah_get_regs_len(struct ocp_device *ocpdev); 73static inline int tah_get_regs_len(struct ocp_device *ocpdev) 74{ 75 return ocpdev ? __tah_get_regs_len(ocpdev) : 0; 76} 77 78void *tah_dump_regs(struct ocp_device *ocpdev, void *buf); 79#else 80# define tah_attach(x) 0 81# define tah_fini(x) ((void)0) 82# define tah_reset(x) ((void)0) 83# define tah_get_regs_len(x) 0 84# define tah_dump_regs(x,buf) (buf) 85#endif /* !CONFIG_IBM_EMAC_TAH */ 86 87#endif /* _IBM_EMAC_TAH_H */ 88