/* * 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 2004-2011 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 #include /* 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; #ifdef CONFIG_ARCH_MMU char *rxbuf[PKTBUFSRX]; #endif 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_DBSWP (0x00000100) #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_GRS (0x80000000) #define FEC_RCR_NO_LGTH_CHECK (0x40000000) #define FEC_RCR_MAX_FL(x) (((x)&0x7FF)<<16) #define FEC_RCR_CNTL_FRM_ENA (0x00008000) #define FEC_RCR_CRC_FWD (0x00004000) #define FEC_RCR_PAUSE_FWD (0x00002000) #define FEC_RCR_PAD_EN (0x00001000) #define FEC_RCR_RMII_ECHO (0x00000800) #define FEC_RCR_RMII_LOOP (0x00000400) #define FEC_RCR_RMII_10T (0x00000200) #define FEC_RCR_RMII_MODE (0x00000100) #define FEC_RCR_SGMII_ENA (0x00000080) #define FEC_RCR_RGMII_ENA (0x00000040) #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 /* * Functions */ int mxc_fec_initialize(bd_t *bis); #endif /* fec_h */