diff options
Diffstat (limited to 'drivers/net/fsl_pq_mdio.h')
| -rw-r--r-- | drivers/net/fsl_pq_mdio.h | 45 |
1 files changed, 45 insertions, 0 deletions
diff --git a/drivers/net/fsl_pq_mdio.h b/drivers/net/fsl_pq_mdio.h new file mode 100644 index 00000000000..36dad527410 --- /dev/null +++ b/drivers/net/fsl_pq_mdio.h @@ -0,0 +1,45 @@ +/* + * Freescale PowerQUICC MDIO Driver -- MII Management Bus Implementation + * Driver for the MDIO bus controller on Freescale PowerQUICC processors + * + * Author: Andy Fleming + * + * Copyright (c) 2002-2004,2008 Freescale Semiconductor, Inc. + * + * 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 __FSL_PQ_MDIO_H +#define __FSL_PQ_MDIO_H + +#define MIIMIND_BUSY 0x00000001 +#define MIIMIND_NOTVALID 0x00000004 +#define MIIMCFG_INIT_VALUE 0x00000007 +#define MIIMCFG_RESET 0x80000000 + +#define MII_READ_COMMAND 0x00000001 + +struct fsl_pq_mdio { + u32 miimcfg; /* MII management configuration reg */ + u32 miimcom; /* MII management command reg */ + u32 miimadd; /* MII management address reg */ + u32 miimcon; /* MII management control reg */ + u32 miimstat; /* MII management status reg */ + u32 miimind; /* MII management indication reg */ + u8 reserved[28]; /* Space holder */ + u32 utbipar; /* TBI phy address reg (only on UCC) */ +} __attribute__ ((packed)); + + +int fsl_pq_mdio_read(struct mii_bus *bus, int mii_id, int regnum); +int fsl_pq_mdio_write(struct mii_bus *bus, int mii_id, int regnum, u16 value); +int fsl_pq_local_mdio_write(struct fsl_pq_mdio __iomem *regs, int mii_id, + int regnum, u16 value); +int fsl_pq_local_mdio_read(struct fsl_pq_mdio __iomem *regs, int mii_id, int regnum); +int __init fsl_pq_mdio_init(void); +void fsl_pq_mdio_exit(void); +void fsl_pq_mdio_bus_name(char *name, struct device_node *np); +#endif /* FSL_PQ_MDIO_H */ |