|  | /****************************************************************************/ | 
|  |  | 
|  | /* | 
|  | *	fec.h  --  Fast Ethernet Controller for Motorola ColdFire SoC | 
|  | *		   processors. | 
|  | * | 
|  | *	(C) Copyright 2000-2005, Greg Ungerer (gerg@snapgear.com) | 
|  | *	(C) Copyright 2000-2001, Lineo (www.lineo.com) | 
|  | */ | 
|  |  | 
|  | /****************************************************************************/ | 
|  | #ifndef FEC_H | 
|  | #define	FEC_H | 
|  | /****************************************************************************/ | 
|  |  | 
|  | #if defined(CONFIG_M523x) || defined(CONFIG_M527x) || defined(CONFIG_M528x) || \ | 
|  | defined(CONFIG_M520x) || defined(CONFIG_M532x) || \ | 
|  | defined(CONFIG_ARCH_MXC) || defined(CONFIG_SOC_IMX28) | 
|  | /* | 
|  | *	Just figures, Motorola would have to change the offsets for | 
|  | *	registers in the same peripheral device on different models | 
|  | *	of the ColdFire! | 
|  | */ | 
|  | #define FEC_IEVENT		0x004 /* Interrupt event reg */ | 
|  | #define FEC_IMASK		0x008 /* Interrupt mask reg */ | 
|  | #define FEC_R_DES_ACTIVE	0x010 /* Receive descriptor reg */ | 
|  | #define FEC_X_DES_ACTIVE	0x014 /* Transmit descriptor reg */ | 
|  | #define FEC_ECNTRL		0x024 /* Ethernet control reg */ | 
|  | #define FEC_MII_DATA		0x040 /* MII manage frame reg */ | 
|  | #define FEC_MII_SPEED		0x044 /* MII speed control reg */ | 
|  | #define FEC_MIB_CTRLSTAT	0x064 /* MIB control/status reg */ | 
|  | #define FEC_R_CNTRL		0x084 /* Receive control reg */ | 
|  | #define FEC_X_CNTRL		0x0c4 /* Transmit Control reg */ | 
|  | #define FEC_ADDR_LOW		0x0e4 /* Low 32bits MAC address */ | 
|  | #define FEC_ADDR_HIGH		0x0e8 /* High 16bits MAC address */ | 
|  | #define FEC_OPD			0x0ec /* Opcode + Pause duration */ | 
|  | #define FEC_HASH_TABLE_HIGH	0x118 /* High 32bits hash table */ | 
|  | #define FEC_HASH_TABLE_LOW	0x11c /* Low 32bits hash table */ | 
|  | #define FEC_GRP_HASH_TABLE_HIGH	0x120 /* High 32bits hash table */ | 
|  | #define FEC_GRP_HASH_TABLE_LOW	0x124 /* Low 32bits hash table */ | 
|  | #define FEC_X_WMRK		0x144 /* FIFO transmit water mark */ | 
|  | #define FEC_R_BOUND		0x14c /* FIFO receive bound reg */ | 
|  | #define FEC_R_FSTART		0x150 /* FIFO receive start reg */ | 
|  | #define FEC_R_DES_START		0x180 /* Receive descriptor ring */ | 
|  | #define FEC_X_DES_START		0x184 /* Transmit descriptor ring */ | 
|  | #define FEC_R_BUFF_SIZE		0x188 /* Maximum receive buff size */ | 
|  | #define FEC_MIIGSK_CFGR		0x300 /* MIIGSK Configuration reg */ | 
|  | #define FEC_MIIGSK_ENR		0x308 /* MIIGSK Enable reg */ | 
|  |  | 
|  | #define BM_MIIGSK_CFGR_MII		0x00 | 
|  | #define BM_MIIGSK_CFGR_RMII		0x01 | 
|  | #define BM_MIIGSK_CFGR_FRCONT_10M	0x40 | 
|  |  | 
|  | #else | 
|  |  | 
|  | #define FEC_ECNTRL		0x000 /* Ethernet control reg */ | 
|  | #define FEC_IEVENT		0x004 /* Interrupt even reg */ | 
|  | #define FEC_IMASK		0x008 /* Interrupt mask reg */ | 
|  | #define FEC_IVEC		0x00c /* Interrupt vec status reg */ | 
|  | #define FEC_R_DES_ACTIVE	0x010 /* Receive descriptor reg */ | 
|  | #define FEC_X_DES_ACTIVE	0x014 /* Transmit descriptor reg */ | 
|  | #define FEC_MII_DATA		0x040 /* MII manage frame reg */ | 
|  | #define FEC_MII_SPEED		0x044 /* MII speed control reg */ | 
|  | #define FEC_R_BOUND		0x08c /* FIFO receive bound reg */ | 
|  | #define FEC_R_FSTART		0x090 /* FIFO receive start reg */ | 
|  | #define FEC_X_WMRK		0x0a4 /* FIFO transmit water mark */ | 
|  | #define FEC_X_FSTART		0x0ac /* FIFO transmit start reg */ | 
|  | #define FEC_R_CNTRL		0x104 /* Receive control reg */ | 
|  | #define FEC_MAX_FRM_LEN		0x108 /* Maximum frame length reg */ | 
|  | #define FEC_X_CNTRL		0x144 /* Transmit Control reg */ | 
|  | #define FEC_ADDR_LOW		0x3c0 /* Low 32bits MAC address */ | 
|  | #define FEC_ADDR_HIGH		0x3c4 /* High 16bits MAC address */ | 
|  | #define FEC_GRP_HASH_TABLE_HIGH	0x3c8 /* High 32bits hash table */ | 
|  | #define FEC_GRP_HASH_TABLE_LOW	0x3cc /* Low 32bits hash table */ | 
|  | #define FEC_R_DES_START		0x3d0 /* Receive descriptor ring */ | 
|  | #define FEC_X_DES_START		0x3d4 /* Transmit descriptor ring */ | 
|  | #define FEC_R_BUFF_SIZE		0x3d8 /* Maximum receive buff size */ | 
|  | #define FEC_FIFO_RAM		0x400 /* FIFO RAM buffer */ | 
|  |  | 
|  | #endif /* CONFIG_M5272 */ | 
|  |  | 
|  |  | 
|  | /* | 
|  | *	Define the buffer descriptor structure. | 
|  | */ | 
|  | #if defined(CONFIG_ARCH_MXC) || defined(CONFIG_SOC_IMX28) | 
|  | struct bufdesc { | 
|  | unsigned short cbd_datlen;	/* Data length */ | 
|  | unsigned short cbd_sc;	/* Control and status info */ | 
|  | unsigned long cbd_bufaddr;	/* Buffer address */ | 
|  | }; | 
|  | #else | 
|  | struct bufdesc { | 
|  | unsigned short	cbd_sc;			/* Control and status info */ | 
|  | unsigned short	cbd_datlen;		/* Data length */ | 
|  | unsigned long	cbd_bufaddr;		/* Buffer address */ | 
|  | }; | 
|  | #endif | 
|  |  | 
|  | /* | 
|  | *	The following definitions courtesy of commproc.h, which where | 
|  | *	Copyright (c) 1997 Dan Malek (dmalek@jlc.net). | 
|  | */ | 
|  | #define BD_SC_EMPTY     ((ushort)0x8000)        /* Receive is empty */ | 
|  | #define BD_SC_READY     ((ushort)0x8000)        /* Transmit is ready */ | 
|  | #define BD_SC_WRAP      ((ushort)0x2000)        /* Last buffer descriptor */ | 
|  | #define BD_SC_INTRPT    ((ushort)0x1000)        /* Interrupt on change */ | 
|  | #define BD_SC_CM        ((ushort)0x0200)        /* Continuous mode */ | 
|  | #define BD_SC_ID        ((ushort)0x0100)        /* Rec'd too many idles */ | 
|  | #define BD_SC_P         ((ushort)0x0100)        /* xmt preamble */ | 
|  | #define BD_SC_BR        ((ushort)0x0020)        /* Break received */ | 
|  | #define BD_SC_FR        ((ushort)0x0010)        /* Framing error */ | 
|  | #define BD_SC_PR        ((ushort)0x0008)        /* Parity error */ | 
|  | #define BD_SC_OV        ((ushort)0x0002)        /* Overrun */ | 
|  | #define BD_SC_CD        ((ushort)0x0001)        /* ?? */ | 
|  |  | 
|  | /* Buffer descriptor control/status used by Ethernet receive. | 
|  | */ | 
|  | #define BD_ENET_RX_EMPTY        ((ushort)0x8000) | 
|  | #define BD_ENET_RX_WRAP         ((ushort)0x2000) | 
|  | #define BD_ENET_RX_INTR         ((ushort)0x1000) | 
|  | #define BD_ENET_RX_LAST         ((ushort)0x0800) | 
|  | #define BD_ENET_RX_FIRST        ((ushort)0x0400) | 
|  | #define BD_ENET_RX_MISS         ((ushort)0x0100) | 
|  | #define BD_ENET_RX_LG           ((ushort)0x0020) | 
|  | #define BD_ENET_RX_NO           ((ushort)0x0010) | 
|  | #define BD_ENET_RX_SH           ((ushort)0x0008) | 
|  | #define BD_ENET_RX_CR           ((ushort)0x0004) | 
|  | #define BD_ENET_RX_OV           ((ushort)0x0002) | 
|  | #define BD_ENET_RX_CL           ((ushort)0x0001) | 
|  | #define BD_ENET_RX_STATS        ((ushort)0x013f)        /* All status bits */ | 
|  |  | 
|  | /* Buffer descriptor control/status used by Ethernet transmit. | 
|  | */ | 
|  | #define BD_ENET_TX_READY        ((ushort)0x8000) | 
|  | #define BD_ENET_TX_PAD          ((ushort)0x4000) | 
|  | #define BD_ENET_TX_WRAP         ((ushort)0x2000) | 
|  | #define BD_ENET_TX_INTR         ((ushort)0x1000) | 
|  | #define BD_ENET_TX_LAST         ((ushort)0x0800) | 
|  | #define BD_ENET_TX_TC           ((ushort)0x0400) | 
|  | #define BD_ENET_TX_DEF          ((ushort)0x0200) | 
|  | #define BD_ENET_TX_HB           ((ushort)0x0100) | 
|  | #define BD_ENET_TX_LC           ((ushort)0x0080) | 
|  | #define BD_ENET_TX_RL           ((ushort)0x0040) | 
|  | #define BD_ENET_TX_RCMASK       ((ushort)0x003c) | 
|  | #define BD_ENET_TX_UN           ((ushort)0x0002) | 
|  | #define BD_ENET_TX_CSL          ((ushort)0x0001) | 
|  | #define BD_ENET_TX_STATS        ((ushort)0x03ff)        /* All status bits */ | 
|  |  | 
|  |  | 
|  | /****************************************************************************/ | 
|  | #endif /* FEC_H */ |