| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame^] | 1 | /* |
| 2 | * Defines for the IBM RGMII bridge |
| 3 | * |
| 4 | * Based on ocp_zmii.h/ibm_emac_zmii.h |
| 5 | * Armin Kuster akuster@mvista.com |
| 6 | * |
| 7 | * Copyright 2004 MontaVista Software, Inc. |
| 8 | * Matt Porter <mporter@kernel.crashing.org> |
| 9 | * |
| 10 | * This program is free software; you can redistribute it and/or modify it |
| 11 | * under the terms of the GNU General Public License as published by the |
| 12 | * Free Software Foundation; either version 2 of the License, or (at your |
| 13 | * option) any later version. |
| 14 | */ |
| 15 | |
| 16 | #ifndef _IBM_EMAC_RGMII_H_ |
| 17 | #define _IBM_EMAC_RGMII_H_ |
| 18 | |
| 19 | #include <linux/config.h> |
| 20 | |
| 21 | /* RGMII bridge */ |
| 22 | typedef struct rgmii_regs { |
| 23 | u32 fer; /* Function enable register */ |
| 24 | u32 ssr; /* Speed select register */ |
| 25 | } rgmii_t; |
| 26 | |
| 27 | #define RGMII_INPUTS 4 |
| 28 | |
| 29 | /* RGMII device */ |
| 30 | struct ibm_ocp_rgmii { |
| 31 | struct rgmii_regs *base; |
| 32 | int mode[RGMII_INPUTS]; |
| 33 | int users; /* number of EMACs using this RGMII bridge */ |
| 34 | }; |
| 35 | |
| 36 | /* Fuctional Enable Reg */ |
| 37 | #define RGMII_FER_MASK(x) (0x00000007 << (4*x)) |
| 38 | #define RGMII_RTBI 0x00000004 |
| 39 | #define RGMII_RGMII 0x00000005 |
| 40 | #define RGMII_TBI 0x00000006 |
| 41 | #define RGMII_GMII 0x00000007 |
| 42 | |
| 43 | /* Speed Selection reg */ |
| 44 | |
| 45 | #define RGMII_SP2_100 0x00000002 |
| 46 | #define RGMII_SP2_1000 0x00000004 |
| 47 | #define RGMII_SP3_100 0x00000200 |
| 48 | #define RGMII_SP3_1000 0x00000400 |
| 49 | |
| 50 | #define RGMII_MII2_SPDMASK 0x00000007 |
| 51 | #define RGMII_MII3_SPDMASK 0x00000700 |
| 52 | |
| 53 | #define RGMII_MII2_100MB RGMII_SP2_100 & ~RGMII_SP2_1000 |
| 54 | #define RGMII_MII2_1000MB RGMII_SP2_1000 & ~RGMII_SP2_100 |
| 55 | #define RGMII_MII2_10MB ~(RGMII_SP2_100 | RGMII_SP2_1000) |
| 56 | #define RGMII_MII3_100MB RGMII_SP3_100 & ~RGMII_SP3_1000 |
| 57 | #define RGMII_MII3_1000MB RGMII_SP3_1000 & ~RGMII_SP3_100 |
| 58 | #define RGMII_MII3_10MB ~(RGMII_SP3_100 | RGMII_SP3_1000) |
| 59 | |
| 60 | #define RTBI 0 |
| 61 | #define RGMII 1 |
| 62 | #define TBI 2 |
| 63 | #define GMII 3 |
| 64 | |
| 65 | #endif /* _IBM_EMAC_RGMII_H_ */ |