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git.proxmox.com Git - mirror_ubuntu-bionic-kernel.git/blob - drivers/net/ibm_newemac/tah.h
2 * drivers/net/ibm_newemac/tah.h
4 * Driver for PowerPC 4xx on-chip ethernet controller, TAH support.
6 * Copyright 2007 Benjamin Herrenschmidt, IBM Corp.
7 * <benh@kernel.crashing.org>
9 * Based on the arch/ppc version of the driver:
11 * Copyright 2004 MontaVista Software, Inc.
12 * Matt Porter <mporter@kernel.crashing.org>
14 * Copyright (c) 2005 Eugene Surovegin <ebs@ebshome.net>
16 * This program is free software; you can redistribute it and/or modify it
17 * under the terms of the GNU General Public License as published by the
18 * Free Software Foundation; either version 2 of the License, or (at your
19 * option) any later version.
22 #ifndef __IBM_NEWEMAC_TAH_H
23 #define __IBM_NEWEMAC_TAH_H
42 struct tah_regs __iomem
*base
;
44 /* Only one EMAC whacks us at a time */
47 /* number of EMACs using this TAH */
50 /* OF device instance */
51 struct of_device
*ofdev
;
56 #define TAH_MR_CVR 0x80000000
57 #define TAH_MR_SR 0x40000000
58 #define TAH_MR_ST_256 0x01000000
59 #define TAH_MR_ST_512 0x02000000
60 #define TAH_MR_ST_768 0x03000000
61 #define TAH_MR_ST_1024 0x04000000
62 #define TAH_MR_ST_1280 0x05000000
63 #define TAH_MR_ST_1536 0x06000000
64 #define TAH_MR_TFS_16KB 0x00000000
65 #define TAH_MR_TFS_2KB 0x00200000
66 #define TAH_MR_TFS_4KB 0x00400000
67 #define TAH_MR_TFS_6KB 0x00600000
68 #define TAH_MR_TFS_8KB 0x00800000
69 #define TAH_MR_TFS_10KB 0x00a00000
70 #define TAH_MR_DTFP 0x00100000
71 #define TAH_MR_DIG 0x00080000
73 #ifdef CONFIG_IBM_NEW_EMAC_TAH
75 extern int tah_init(void);
76 extern void tah_exit(void);
77 extern int tah_attach(struct of_device
*ofdev
, int channel
);
78 extern void tah_detach(struct of_device
*ofdev
, int channel
);
79 extern void tah_reset(struct of_device
*ofdev
);
80 extern int tah_get_regs_len(struct of_device
*ofdev
);
81 extern void *tah_dump_regs(struct of_device
*ofdev
, void *buf
);
86 # define tah_exit() do { } while(0)
87 # define tah_attach(x,y) (-ENXIO)
88 # define tah_detach(x,y) do { } while(0)
89 # define tah_reset(x) do { } while(0)
90 # define tah_get_regs_len(x) 0
91 # define tah_dump_regs(x,buf) (buf)
93 #endif /* !CONFIG_IBM_NEW_EMAC_TAH */
95 #endif /* __IBM_NEWEMAC_TAH_H */