| /* |
| * Defines for the IBM RGMII bridge |
| * |
| * Based on ocp_zmii.h/ibm_emac_zmii.h |
| * Armin Kuster akuster@mvista.com |
| * |
| * Copyright 2004 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 _IBM_EMAC_RGMII_H_ |
| #define _IBM_EMAC_RGMII_H_ |
| |
| #include <linux/config.h> |
| |
| /* RGMII bridge */ |
| typedef struct rgmii_regs { |
| u32 fer; /* Function enable register */ |
| u32 ssr; /* Speed select register */ |
| } rgmii_t; |
| |
| #define RGMII_INPUTS 4 |
| |
| /* RGMII device */ |
| struct ibm_ocp_rgmii { |
| struct rgmii_regs *base; |
| int mode[RGMII_INPUTS]; |
| int users; /* number of EMACs using this RGMII bridge */ |
| }; |
| |
| /* Fuctional Enable Reg */ |
| #define RGMII_FER_MASK(x) (0x00000007 << (4*x)) |
| #define RGMII_RTBI 0x00000004 |
| #define RGMII_RGMII 0x00000005 |
| #define RGMII_TBI 0x00000006 |
| #define RGMII_GMII 0x00000007 |
| |
| /* Speed Selection reg */ |
| |
| #define RGMII_SP2_100 0x00000002 |
| #define RGMII_SP2_1000 0x00000004 |
| #define RGMII_SP3_100 0x00000200 |
| #define RGMII_SP3_1000 0x00000400 |
| |
| #define RGMII_MII2_SPDMASK 0x00000007 |
| #define RGMII_MII3_SPDMASK 0x00000700 |
| |
| #define RGMII_MII2_100MB RGMII_SP2_100 & ~RGMII_SP2_1000 |
| #define RGMII_MII2_1000MB RGMII_SP2_1000 & ~RGMII_SP2_100 |
| #define RGMII_MII2_10MB ~(RGMII_SP2_100 | RGMII_SP2_1000) |
| #define RGMII_MII3_100MB RGMII_SP3_100 & ~RGMII_SP3_1000 |
| #define RGMII_MII3_1000MB RGMII_SP3_1000 & ~RGMII_SP3_100 |
| #define RGMII_MII3_10MB ~(RGMII_SP3_100 | RGMII_SP3_1000) |
| |
| #define RTBI 0 |
| #define RGMII 1 |
| #define TBI 2 |
| #define GMII 3 |
| |
| #endif /* _IBM_EMAC_RGMII_H_ */ |
