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/*
* fec.h -- Fast Ethernet Controller definitions
*
* Some definitions copied from commproc.h for MPC8xx:
* MPC8xx Communication Processor Module.
* Copyright (c) 1997 Dan Malek (dmalek@jlc.net)
*
* Add FEC Structure and definitions
* Copyright 2004-2009 Freescale Semiconductor, Inc.
* TsiChung Liew (Tsi-Chung.Liew@freescale.com)
*
* See file CREDITS for list of people who contributed to this
* project.
*
* 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.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
* MA 02111-1307 USA
*/
#ifndef fec_h
#define fec_h
/* Buffer descriptors used FEC.
*/
typedef struct cpm_buf_desc {
ushort cbd_datlen; /* Data length in buffer */
ushort cbd_sc; /* Status and Control */
uint cbd_bufaddr; /* Buffer address in host memory */
} cbd_t;
#define BD_SC_EMPTY ((ushort)0x8000) /* Recieve 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_LAST ((ushort)0x0800)/* Last buffer in frame */
#define BD_SC_TC ((ushort)0x0400) /* Transmit CRC */
#define BD_SC_CM ((ushort)0x0200) /* Continous 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)/* Carrier Detect lost */
/* Buffer descriptor control/status used by Ethernet receive.
*/
#define BD_ENET_RX_EMPTY ((ushort)0x8000)
#define BD_ENET_RX_RO1 ((ushort)0x4000)
#define BD_ENET_RX_WRAP ((ushort)0x2000)
#define BD_ENET_RX_INTR ((ushort)0x1000)
#define BD_ENET_RX_RO2 BD_ENET_RX_INTR
#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_BC ((ushort)0x0080)
#define BD_ENET_RX_MC ((ushort)0x0040)
#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_TR BD_ENET_RX_CL
#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_TO1 BD_ENET_TX_PAD
#define BD_ENET_TX_WRAP ((ushort)0x2000)
#define BD_ENET_TX_INTR ((ushort)0x1000)
#define BD_ENET_TX_TO2 BD_ENET_TX_INTR_
#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_ABC BD_ENET_TX_DEF
#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 */
/*********************************************************************
* Fast Ethernet Controller (FEC)
*********************************************************************/
/* FEC private information */
struct fec_info_s {
int index;
u32 iobase;
int phy_addr;
int dup_spd;
char *phy_name;
int phyname_init;
cbd_t *rxbd; /* Rx BD */
cbd_t *txbd; /* Tx BD */
uint rxIdx;
uint txIdx;
char *txbuf;
int initialized;
struct fec_info_s *next;
};
/* Register read/write struct */
typedef struct fec {
u32 resv0;
u32 eir;
u32 eimr;
u32 resv1;
u32 rdar;
u32 tdar;
u32 resv2[0x03];
u32 ecr;
u32 resv3[0x06];
u32 mmfr;
u32 mscr;
u32 resv4[0x07];
u32 mibc;
u32 resv5[0x07];
u32 rcr;
u32 resv6[0x0F];
u32 tcr;
u32 resv7[0x07];
u32 palr;
u32 paur;
u32 opd;
u32 resv8[0x0A];
u32 iaur;
u32 ialr;
u32 gaur;
u32 galr;
u32 resv9[0x07];
u32 tfwr;
u32 resv10;
u32 frbr;
u32 frsr;
u32 resv11[0x0B];
u32 erdsr;
u32 etdsr;
u32 emrbr;
u32 resv12[93];
u32 fec_miigsk_cfgr;
u32 fec_reserved13;
u32 fec_miigsk_enr;
} fec_t;
/*********************************************************************
* Fast Ethernet Controller (FEC)
*********************************************************************/
/* Bit definitions and macros for FEC_EIR */
#define FEC_EIR_CLEAR_ALL (0xFFF80000)
#define FEC_EIR_HBERR (0x80000000)
#define FEC_EIR_BABR (0x40000000)
#define FEC_EIR_BABT (0x20000000)
#define FEC_EIR_GRA (0x10000000)
#define FEC_EIR_TXF (0x08000000)
#define FEC_EIR_TXB (0x04000000)
#define FEC_EIR_RXF (0x02000000)
#define FEC_EIR_RXB (0x01000000)
#define FEC_EIR_MII (0x00800000)
#define FEC_EIR_EBERR (0x00400000)
#define FEC_EIR_LC (0x00200000)
#define FEC_EIR_RL (0x00100000)
#define FEC_EIR_UN (0x00080000)
/* Bit definitions and macros for FEC_RDAR */
#define FEC_RDAR_R_DES_ACTIVE (0x01000000)
/* Bit definitions and macros for FEC_TDAR */
#define FEC_TDAR_X_DES_ACTIVE (0x01000000)
/* Bit definitions and macros for FEC_ECR */
#define FEC_ECR_ETHER_EN (0x00000002)
#define FEC_ECR_RESET (0x00000001)
/* Bit definitions and macros for FEC_MMFR */
#define FEC_MMFR_DATA(x) (((x)&0xFFFF))
#define FEC_MMFR_ST(x) (((x)&0x03)<<30)
#define FEC_MMFR_ST_01 (0x40000000)
#define FEC_MMFR_OP_RD (0x20000000)
#define FEC_MMFR_OP_WR (0x10000000)
#define FEC_MMFR_PA(x) (((x)&0x1F)<<23)
#define FEC_MMFR_RA(x) (((x)&0x1F)<<18)
#define FEC_MMFR_TA(x) (((x)&0x03)<<16)
#define FEC_MMFR_TA_10 (0x00020000)
/* Bit definitions and macros for FEC_MSCR */
#define FEC_MSCR_DIS_PREAMBLE (0x00000080)
#define FEC_MSCR_MII_SPEED(x) (((x)&0x3F)<<1)
/* Bit definitions and macros for FEC_MIBC */
#define FEC_MIBC_MIB_DISABLE (0x80000000)
#define FEC_MIBC_MIB_IDLE (0x40000000)
/* Bit definitions and macros for FEC_RCR */
#define FEC_RCR_MAX_FL(x) (((x)&0x7FF)<<16)
#define FEC_RCR_FCE (0x00000020)
#define FEC_RCR_BC_REJ (0x00000010)
#define FEC_RCR_PROM (0x00000008)
#define FEC_RCR_MII_MODE (0x00000004)
#define FEC_RCR_DRT (0x00000002)
#define FEC_RCR_LOOP (0x00000001)
/* Bit definitions and macros for FEC_TCR */
#define FEC_TCR_RFC_PAUSE (0x00000010)
#define FEC_TCR_TFC_PAUSE (0x00000008)
#define FEC_TCR_FDEN (0x00000004)
#define FEC_TCR_HBC (0x00000002)
#define FEC_TCR_GTS (0x00000001)
/* Bit definitions and macros for FEC_PAUR */
#define FEC_PAUR_PADDR2(x) (((x)&0xFFFF)<<16)
#define FEC_PAUR_TYPE(x) ((x)&0xFFFF)
/* Bit definitions and macros for FEC_OPD */
#define FEC_OPD_PAUSE_DUR(x) (((x)&0x0000FFFF)<<0)
#define FEC_OPD_OPCODE(x) (((x)&0x0000FFFF)<<16)
/* Bit definitions and macros for FEC_TFWR */
#define FEC_TFWR_X_WMRK(x) ((x)&0x03)
#define FEC_TFWR_X_WMRK_64 (0x01)
#define FEC_TFWR_X_WMRK_128 (0x02)
#define FEC_TFWR_X_WMRK_192 (0x03)
/* Bit definitions and macros for FEC_FRBR */
#define FEC_FRBR_R_BOUND(x) (((x)&0xFF)<<2)
/* Bit definitions and macros for FEC_FRSR */
#define FEC_FRSR_R_FSTART(x) (((x)&0xFF)<<2)
/* Bit definitions and macros for FEC_ERDSR */
#define FEC_ERDSR_R_DES_START(x) (((x)&0x3FFFFFFF)<<2)
/* Bit definitions and macros for FEC_ETDSR */
#define FEC_ETDSR_X_DES_START(x) (((x)&0x3FFFFFFF)<<2)
/* Bit definitions and macros for FEC_EMRBR */
#define FEC_EMRBR_R_BUF_SIZE(x) (((x)&0x7F)<<4)
#define FEC_RESET_DELAY 100
#define FEC_RX_TOUT 100
#define FEC_MAX_TIMEOUT 50000
#define FEC_TIMEOUT_TICKET 2
#endif /* fec_h */
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