/* * SuperH Ethernet device driver * * Copyright (C) 2006-2008 Nobuhiro Iwamatsu * Copyright (C) 2008-2011 Renesas Solutions Corp. * * This program is free software; you can redistribute it and/or modify it * under the terms and conditions of the GNU General Public License, * version 2, as published by the Free Software Foundation. * * This program is distributed in the hope 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., * 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA. * * The full GNU General Public License is included in this distribution in * the file called "COPYING". */ #ifndef __SH_ETH_H__ #define __SH_ETH_H__ #include #include #include #include #include #include #define CARDNAME "sh-eth" #define TX_TIMEOUT (5*HZ) #define TX_RING_SIZE 64 /* Tx ring size */ #define RX_RING_SIZE 64 /* Rx ring size */ #define ETHERSMALL 60 #define PKT_BUF_SZ 1538 enum { /* E-DMAC registers */ EDSR = 0, EDMR, EDTRR, EDRRR, EESR, EESIPR, TDLAR, TDFAR, TDFXR, TDFFR, RDLAR, RDFAR, RDFXR, RDFFR, TRSCER, RMFCR, TFTR, FDR, RMCR, EDOCR, TFUCR, RFOCR, FCFTR, RPADIR, TRIMD, RBWAR, TBRAR, /* Ether registers */ ECMR, ECSR, ECSIPR, PIR, PSR, RDMLR, PIPR, RFLR, IPGR, APR, MPR, PFTCR, PFRCR, RFCR, RFCF, TPAUSER, TPAUSECR, BCFR, BCFRR, GECMR, BCULR, MAHR, MALR, TROCR, CDCR, LCCR, CNDCR, CEFCR, FRECR, TSFRCR, TLFRCR, CERCR, CEECR, MAFCR, RTRATE, /* TSU Absolute address */ ARSTR, TSU_CTRST, TSU_FWEN0, TSU_FWEN1, TSU_FCM, TSU_BSYSL0, TSU_BSYSL1, TSU_PRISL0, TSU_PRISL1, TSU_FWSL0, TSU_FWSL1, TSU_FWSLC, TSU_QTAG0, TSU_QTAG1, TSU_QTAGM0, TSU_QTAGM1, TSU_FWSR, TSU_FWINMK, TSU_ADQT0, TSU_ADQT1, TSU_VTAG0, TSU_VTAG1, TSU_ADSBSY, TSU_TEN, TSU_POST1, TSU_POST2, TSU_POST3, TSU_POST4, TSU_ADRH0, TSU_ADRL0, TSU_ADRH31, TSU_ADRL31, TXNLCR0, TXALCR0, RXNLCR0, RXALCR0, FWNLCR0, FWALCR0, TXNLCR1, TXALCR1, RXNLCR1, RXALCR1, FWNLCR1, FWALCR1, /* This value must be written at last. */ SH_ETH_MAX_REGISTER_OFFSET, }; static const u16 sh_eth_offset_gigabit[SH_ETH_MAX_REGISTER_OFFSET] = { [EDSR] = 0x0000, [EDMR] = 0x0400, [EDTRR] = 0x0408, [EDRRR] = 0x0410, [EESR] = 0x0428, [EESIPR] = 0x0430, [TDLAR] = 0x0010, [TDFAR] = 0x0014, [TDFXR] = 0x0018, [TDFFR] = 0x001c, [RDLAR] = 0x0030, [RDFAR] = 0x0034, [RDFXR] = 0x0038, [RDFFR] = 0x003c, [TRSCER] = 0x0438, [RMFCR] = 0x0440, [TFTR] = 0x0448, [FDR] = 0x0450, [RMCR] = 0x0458, [RPADIR] = 0x0460, [FCFTR] = 0x0468, [ECMR] = 0x0500, [ECSR] = 0x0510, [ECSIPR] = 0x0518, [PIR] = 0x0520, [PSR] = 0x0528, [PIPR] = 0x052c, [RFLR] = 0x0508, [APR] = 0x0554, [MPR] = 0x0558, [PFTCR] = 0x055c, [PFRCR] = 0x0560, [TPAUSER] = 0x0564, [GECMR] = 0x05b0, [BCULR] = 0x05b4, [MAHR] = 0x05c0, [MALR] = 0x05c8, [TROCR] = 0x0700, [CDCR] = 0x0708, [LCCR] = 0x0710, [CEFCR] = 0x0740, [FRECR] = 0x0748, [TSFRCR] = 0x0750, [TLFRCR] = 0x0758, [RFCR] = 0x0760, [CERCR] = 0x0768, [CEECR] = 0x0770, [MAFCR] = 0x0778, [ARSTR] = 0x0000, [TSU_CTRST] = 0x0004, [TSU_FWEN0] = 0x0010, [TSU_FWEN1] = 0x0014, [TSU_FCM] = 0x0018, [TSU_BSYSL0] = 0x0020, [TSU_BSYSL1] = 0x0024, [TSU_PRISL0] = 0x0028, [TSU_PRISL1] = 0x002c, [TSU_FWSL0] = 0x0030, [TSU_FWSL1] = 0x0034, [TSU_FWSLC] = 0x0038, [TSU_QTAG0] = 0x0040, [TSU_QTAG1] = 0x0044, [TSU_FWSR] = 0x0050, [TSU_FWINMK] = 0x0054, [TSU_ADQT0] = 0x0048, [TSU_ADQT1] = 0x004c, [TSU_VTAG0] = 0x0058, [TSU_VTAG1] = 0x005c, [TSU_ADSBSY] = 0x0060, [TSU_TEN] = 0x0064, [TSU_POST1] = 0x0070, [TSU_POST2] = 0x0074, [TSU_POST3] = 0x0078, [TSU_POST4] = 0x007c, [TSU_ADRH0] = 0x0100, [TSU_ADRL0] = 0x0104, [TSU_ADRH31] = 0x01f8, [TSU_ADRL31] = 0x01fc, [TXNLCR0] = 0x0080, [TXALCR0] = 0x0084, [RXNLCR0] = 0x0088, [RXALCR0] = 0x008c, [FWNLCR0] = 0x0090, [FWALCR0] = 0x0094, [TXNLCR1] = 0x00a0, [TXALCR1] = 0x00a0, [RXNLCR1] = 0x00a8, [RXALCR1] = 0x00ac, [FWNLCR1] = 0x00b0, [FWALCR1] = 0x00b4, }; static const u16 sh_eth_offset_fast_sh4[SH_ETH_MAX_REGISTER_OFFSET] = { [ECMR] = 0x0100, [RFLR] = 0x0108, [ECSR] = 0x0110, [ECSIPR] = 0x0118, [PIR] = 0x0120, [PSR] = 0x0128, [RDMLR] = 0x0140, [IPGR] = 0x0150, [APR] = 0x0154, [MPR] = 0x0158, [TPAUSER] = 0x0164, [RFCF] = 0x0160, [TPAUSECR] = 0x0168, [BCFRR] = 0x016c, [MAHR] = 0x01c0, [MALR] = 0x01c8, [TROCR] = 0x01d0, [CDCR] = 0x01d4, [LCCR] = 0x01d8, [CNDCR] = 0x01dc, [CEFCR] = 0x01e4, [FRECR] = 0x01e8, [TSFRCR] = 0x01ec, [TLFRCR] = 0x01f0, [RFCR] = 0x01f4, [MAFCR] = 0x01f8, [RTRATE] = 0x01fc, [EDMR] = 0x0000, [EDTRR] = 0x0008, [EDRRR] = 0x0010, [TDLAR] = 0x0018, [RDLAR] = 0x0020, [EESR] = 0x0028, [EESIPR] = 0x0030, [TRSCER] = 0x0038, [RMFCR] = 0x0040, [TFTR] = 0x0048, [FDR] = 0x0050, [RMCR] = 0x0058, [TFUCR] = 0x0064, [RFOCR] = 0x0068, [FCFTR] = 0x0070, [RPADIR] = 0x0078, [TRIMD] = 0x007c, [RBWAR] = 0x00c8, [RDFAR] = 0x00cc, [TBRAR] = 0x00d4, [TDFAR] = 0x00d8, }; static const u16 sh_eth_offset_fast_sh3_sh2[SH_ETH_MAX_REGISTER_OFFSET] = { [ECMR] = 0x0160, [ECSR] = 0x0164, [ECSIPR] = 0x0168, [PIR] = 0x016c, [MAHR] = 0x0170, [MALR] = 0x0174, [RFLR] = 0x0178, [PSR] = 0x017c, [TROCR] = 0x0180, [CDCR] = 0x0184, [LCCR] = 0x0188, [CNDCR] = 0x018c, [CEFCR] = 0x0194, [FRECR] = 0x0198, [TSFRCR] = 0x019c, [TLFRCR] = 0x01a0, [RFCR] = 0x01a4, [MAFCR] = 0x01a8, [IPGR] = 0x01b4, [APR] = 0x01b8, [MPR] = 0x01bc, [TPAUSER] = 0x01c4, [BCFR] = 0x01cc, [ARSTR] = 0x0000, [TSU_CTRST] = 0x0004, [TSU_FWEN0] = 0x0010, [TSU_FWEN1] = 0x0014, [TSU_FCM] = 0x0018, [TSU_BSYSL0] = 0x0020, [TSU_BSYSL1] = 0x0024, [TSU_PRISL0] = 0x0028, [TSU_PRISL1] = 0x002c, [TSU_FWSL0] = 0x0030, [TSU_FWSL1] = 0x0034, [TSU_FWSLC] = 0x0038, [TSU_QTAGM0] = 0x0040, [TSU_QTAGM1] = 0x0044, [TSU_ADQT0] = 0x0048, [TSU_ADQT1] = 0x004c, [TSU_FWSR] = 0x0050, [TSU_FWINMK] = 0x0054, [TSU_ADSBSY] = 0x0060, [TSU_TEN] = 0x0064, [TSU_POST1] = 0x0070, [TSU_POST2] = 0x0074, [TSU_POST3] = 0x0078, [TSU_POST4] = 0x007c, [TXNLCR0] = 0x0080, [TXALCR0] = 0x0084, [RXNLCR0] = 0x0088, [RXALCR0] = 0x008c, [FWNLCR0] = 0x0090, [FWALCR0] = 0x0094, [TXNLCR1] = 0x00a0, [TXALCR1] = 0x00a0, [RXNLCR1] = 0x00a8, [RXALCR1] = 0x00ac, [FWNLCR1] = 0x00b0, [FWALCR1] = 0x00b4, [TSU_ADRH0] = 0x0100, [TSU_ADRL0] = 0x0104, [TSU_ADRL31] = 0x01fc, }; /* Driver's parameters */ #if defined(CONFIG_CPU_SH4) #define SH4_SKB_RX_ALIGN 32 #else #define SH2_SH3_SKB_RX_ALIGN 2 #endif /* * Register's bits */ #ifdef CONFIG_CPU_SUBTYPE_SH7763 /* EDSR */ enum EDSR_BIT { EDSR_ENT = 0x01, EDSR_ENR = 0x02, }; #define EDSR_ENALL (EDSR_ENT|EDSR_ENR) /* GECMR */ enum GECMR_BIT { GECMR_10 = 0x0, GECMR_100 = 0x04, GECMR_1000 = 0x01, }; #endif /* EDMR */ enum DMAC_M_BIT { EDMR_EL = 0x40, /* Litte endian */ EDMR_DL1 = 0x20, EDMR_DL0 = 0x10, EDMR_SRST_GETHER = 0x03, EDMR_SRST_ETHER = 0x01, }; /* EDTRR */ enum DMAC_T_BIT { EDTRR_TRNS_GETHER = 0x03, EDTRR_TRNS_ETHER = 0x01, }; /* EDRRR*/ enum EDRRR_R_BIT { EDRRR_R = 0x01, }; /* TPAUSER */ enum TPAUSER_BIT { TPAUSER_TPAUSE = 0x0000ffff, TPAUSER_UNLIMITED = 0, }; /* BCFR */ enum BCFR_BIT { BCFR_RPAUSE = 0x0000ffff, BCFR_UNLIMITED = 0, }; /* PIR */ enum PIR_BIT { PIR_MDI = 0x08, PIR_MDO = 0x04, PIR_MMD = 0x02, PIR_MDC = 0x01, }; /* PSR */ enum PHY_STATUS_BIT { PHY_ST_LINK = 0x01, }; /* EESR */ enum EESR_BIT { EESR_TWB1 = 0x80000000, EESR_TWB = 0x40000000, /* same as TWB0 */ EESR_TC1 = 0x20000000, EESR_TUC = 0x10000000, EESR_ROC = 0x08000000, EESR_TABT = 0x04000000, EESR_RABT = 0x02000000, EESR_RFRMER = 0x01000000, /* same as RFCOF */ EESR_ADE = 0x00800000, EESR_ECI = 0x00400000, EESR_FTC = 0x00200000, /* same as TC or TC0 */ EESR_TDE = 0x00100000, EESR_TFE = 0x00080000, /* same as TFUF */ EESR_FRC = 0x00040000, /* same as FR */ EESR_RDE = 0x00020000, EESR_RFE = 0x00010000, EESR_CND = 0x00000800, EESR_DLC = 0x00000400, EESR_CD = 0x00000200, EESR_RTO = 0x00000100, EESR_RMAF = 0x00000080, EESR_CEEF = 0x00000040, EESR_CELF = 0x00000020, EESR_RRF = 0x00000010, EESR_RTLF = 0x00000008, EESR_RTSF = 0x00000004, EESR_PRE = 0x00000002, EESR_CERF = 0x00000001, }; #define DEFAULT_TX_CHECK (EESR_FTC | EESR_CND | EESR_DLC | EESR_CD | \ EESR_RTO) #define DEFAULT_EESR_ERR_CHECK (EESR_TWB | EESR_TABT | EESR_RABT | \ EESR_RDE | EESR_RFRMER | EESR_ADE | \ EESR_TFE | EESR_TDE | EESR_ECI) #define DEFAULT_TX_ERROR_CHECK (EESR_TWB | EESR_TABT | EESR_ADE | EESR_TDE | \ EESR_TFE) /* EESIPR */ enum DMAC_IM_BIT { DMAC_M_TWB = 0x40000000, DMAC_M_TABT = 0x04000000, DMAC_M_RABT = 0x02000000, DMAC_M_RFRMER = 0x01000000, DMAC_M_ADF = 0x00800000, DMAC_M_ECI = 0x00400000, DMAC_M_FTC = 0x00200000, DMAC_M_TDE = 0x00100000, DMAC_M_TFE = 0x00080000, DMAC_M_FRC = 0x00040000, DMAC_M_RDE = 0x00020000, DMAC_M_RFE = 0x00010000, DMAC_M_TINT4 = 0x00000800, DMAC_M_TINT3 = 0x00000400, DMAC_M_TINT2 = 0x00000200, DMAC_M_TINT1 = 0x00000100, DMAC_M_RINT8 = 0x00000080, DMAC_M_RINT5 = 0x00000010, DMAC_M_RINT4 = 0x00000008, DMAC_M_RINT3 = 0x00000004, DMAC_M_RINT2 = 0x00000002, DMAC_M_RINT1 = 0x00000001, }; /* Receive descriptor bit */ enum RD_STS_BIT { RD_RACT = 0x80000000, RD_RDEL = 0x40000000, RD_RFP1 = 0x20000000, RD_RFP0 = 0x10000000, RD_RFE = 0x08000000, RD_RFS10 = 0x00000200, RD_RFS9 = 0x00000100, RD_RFS8 = 0x00000080, RD_RFS7 = 0x00000040, RD_RFS6 = 0x00000020, RD_RFS5 = 0x00000010, RD_RFS4 = 0x00000008, RD_RFS3 = 0x00000004, RD_RFS2 = 0x00000002, RD_RFS1 = 0x00000001, }; #define RDF1ST RD_RFP1 #define RDFEND RD_RFP0 #define RD_RFP (RD_RFP1|RD_RFP0) /* FCFTR */ enum FCFTR_BIT { FCFTR_RFF2 = 0x00040000, FCFTR_RFF1 = 0x00020000, FCFTR_RFF0 = 0x00010000, FCFTR_RFD2 = 0x00000004, FCFTR_RFD1 = 0x00000002, FCFTR_RFD0 = 0x00000001, }; #define DEFAULT_FIFO_F_D_RFF (FCFTR_RFF2 | FCFTR_RFF1 | FCFTR_RFF0) #define DEFAULT_FIFO_F_D_RFD (FCFTR_RFD2 | FCFTR_RFD1 | FCFTR_RFD0) /* Transfer descriptor bit */ enum TD_STS_BIT { TD_TACT = 0x80000000, TD_TDLE = 0x40000000, TD_TFP1 = 0x20000000, TD_TFP0 = 0x10000000, }; #define TDF1ST TD_TFP1 #define TDFEND TD_TFP0 #define TD_TFP (TD_TFP1|TD_TFP0) /* RMCR */ #define DEFAULT_RMCR_VALUE 0x00000000 /* ECMR */ enum FELIC_MODE_BIT { ECMR_TRCCM = 0x04000000, ECMR_RCSC = 0x00800000, ECMR_DPAD = 0x00200000, ECMR_RZPF = 0x00100000, ECMR_ZPF = 0x00080000, ECMR_PFR = 0x00040000, ECMR_RXF = 0x00020000, ECMR_TXF = 0x00010000, ECMR_MCT = 0x00002000, ECMR_PRCEF = 0x00001000, ECMR_PMDE = 0x00000200, ECMR_RE = 0x00000040, ECMR_TE = 0x00000020, ECMR_RTM = 0x00000010, ECMR_ILB = 0x00000008, ECMR_ELB = 0x00000004, ECMR_DM = 0x00000002, ECMR_PRM = 0x00000001, }; /* ECSR */ enum ECSR_STATUS_BIT { ECSR_BRCRX = 0x20, ECSR_PSRTO = 0x10, ECSR_LCHNG = 0x04, ECSR_MPD = 0x02, ECSR_ICD = 0x01, }; #define DEFAULT_ECSR_INIT (ECSR_BRCRX | ECSR_PSRTO | ECSR_LCHNG | \ ECSR_ICD | ECSIPR_MPDIP) /* ECSIPR */ enum ECSIPR_STATUS_MASK_BIT { ECSIPR_BRCRXIP = 0x20, ECSIPR_PSRTOIP = 0x10, ECSIPR_LCHNGIP = 0x04, ECSIPR_MPDIP = 0x02, ECSIPR_ICDIP = 0x01, }; #define DEFAULT_ECSIPR_INIT (ECSIPR_BRCRXIP | ECSIPR_PSRTOIP | \ ECSIPR_LCHNGIP | ECSIPR_ICDIP | ECSIPR_MPDIP) /* APR */ enum APR_BIT { APR_AP = 0x00000001, }; /* MPR */ enum MPR_BIT { MPR_MP = 0x00000001, }; /* TRSCER */ enum DESC_I_BIT { DESC_I_TINT4 = 0x0800, DESC_I_TINT3 = 0x0400, DESC_I_TINT2 = 0x0200, DESC_I_TINT1 = 0x0100, DESC_I_RINT8 = 0x0080, DESC_I_RINT5 = 0x0010, DESC_I_RINT4 = 0x0008, DESC_I_RINT3 = 0x0004, DESC_I_RINT2 = 0x0002, DESC_I_RINT1 = 0x0001, }; /* RPADIR */ enum RPADIR_BIT { RPADIR_PADS1 = 0x20000, RPADIR_PADS0 = 0x10000, RPADIR_PADR = 0x0003f, }; /* RFLR */ #define RFLR_VALUE 0x1000 /* FDR */ #define DEFAULT_FDR_INIT 0x00000707 enum phy_offsets { PHY_CTRL = 0, PHY_STAT = 1, PHY_IDT1 = 2, PHY_IDT2 = 3, PHY_ANA = 4, PHY_ANL = 5, PHY_ANE = 6, PHY_16 = 16, }; /* PHY_CTRL */ enum PHY_CTRL_BIT { PHY_C_RESET = 0x8000, PHY_C_LOOPBK = 0x4000, PHY_C_SPEEDSL = 0x2000, PHY_C_ANEGEN = 0x1000, PHY_C_PWRDN = 0x0800, PHY_C_ISO = 0x0400, PHY_C_RANEG = 0x0200, PHY_C_DUPLEX = 0x0100, PHY_C_COLT = 0x0080, }; #define DM9161_PHY_C_ANEGEN 0 /* auto nego special */ /* PHY_STAT */ enum PHY_STAT_BIT { PHY_S_100T4 = 0x8000, PHY_S_100X_F = 0x4000, PHY_S_100X_H = 0x2000, PHY_S_10T_F = 0x1000, PHY_S_10T_H = 0x0800, PHY_S_ANEGC = 0x0020, PHY_S_RFAULT = 0x0010, PHY_S_ANEGA = 0x0008, PHY_S_LINK = 0x0004, PHY_S_JAB = 0x0002, PHY_S_EXTD = 0x0001, }; /* PHY_ANA */ enum PHY_ANA_BIT { PHY_A_NP = 0x8000, PHY_A_ACK = 0x4000, PHY_A_RF = 0x2000, PHY_A_FCS = 0x0400, PHY_A_T4 = 0x0200, PHY_A_FDX = 0x0100, PHY_A_HDX = 0x0080, PHY_A_10FDX = 0x0040, PHY_A_10HDX = 0x0020, PHY_A_SEL = 0x001e, }; /* PHY_ANL */ enum PHY_ANL_BIT { PHY_L_NP = 0x8000, PHY_L_ACK = 0x4000, PHY_L_RF = 0x2000, PHY_L_FCS = 0x0400, PHY_L_T4 = 0x0200, PHY_L_FDX = 0x0100, PHY_L_HDX = 0x0080, PHY_L_10FDX = 0x0040, PHY_L_10HDX = 0x0020, PHY_L_SEL = 0x001f, }; /* PHY_ANE */ enum PHY_ANE_BIT { PHY_E_PDF = 0x0010, PHY_E_LPNPA = 0x0008, PHY_E_NPA = 0x0004, PHY_E_PRX = 0x0002, PHY_E_LPANEGA = 0x0001, }; /* DM9161 */ enum PHY_16_BIT { PHY_16_BP4B45 = 0x8000, PHY_16_BPSCR = 0x4000, PHY_16_BPALIGN = 0x2000, PHY_16_BP_ADPOK = 0x1000, PHY_16_Repeatmode = 0x0800, PHY_16_TXselect = 0x0400, PHY_16_Rsvd = 0x0200, PHY_16_RMIIEnable = 0x0100, PHY_16_Force100LNK = 0x0080, PHY_16_APDLED_CTL = 0x0040, PHY_16_COLLED_CTL = 0x0020, PHY_16_RPDCTR_EN = 0x0010, PHY_16_ResetStMch = 0x0008, PHY_16_PreamSupr = 0x0004, PHY_16_Sleepmode = 0x0002, PHY_16_RemoteLoopOut = 0x0001, }; #define POST_RX 0x08 #define POST_FW 0x04 #define POST0_RX (POST_RX) #define POST0_FW (POST_FW) #define POST1_RX (POST_RX >> 2) #define POST1_FW (POST_FW >> 2) #define POST_ALL (POST0_RX | POST0_FW | POST1_RX | POST1_FW) /* ARSTR */ enum ARSTR_BIT { ARSTR_ARSTR = 0x00000001, }; /* TSU_FWEN0 */ enum TSU_FWEN0_BIT { TSU_FWEN0_0 = 0x00000001, }; /* TSU_ADSBSY */ enum TSU_ADSBSY_BIT { TSU_ADSBSY_0 = 0x00000001, }; /* TSU_TEN */ enum TSU_TEN_BIT { TSU_TEN_0 = 0x80000000, }; /* TSU_FWSL0 */ enum TSU_FWSL0_BIT { TSU_FWSL0_FW50 = 0x1000, TSU_FWSL0_FW40 = 0x0800, TSU_FWSL0_FW30 = 0x0400, TSU_FWSL0_FW20 = 0x0200, TSU_FWSL0_FW10 = 0x0100, TSU_FWSL0_RMSA0 = 0x0010, }; /* TSU_FWSLC */ enum TSU_FWSLC_BIT { TSU_FWSLC_POSTENU = 0x2000, TSU_FWSLC_POSTENL = 0x1000, TSU_FWSLC_CAMSEL03 = 0x0080, TSU_FWSLC_CAMSEL02 = 0x0040, TSU_FWSLC_CAMSEL01 = 0x0020, TSU_FWSLC_CAMSEL00 = 0x0010, TSU_FWSLC_CAMSEL13 = 0x0008, TSU_FWSLC_CAMSEL12 = 0x0004, TSU_FWSLC_CAMSEL11 = 0x0002, TSU_FWSLC_CAMSEL10 = 0x0001, }; /* * The sh ether Tx buffer descriptors. * This structure should be 20 bytes. */ struct sh_eth_txdesc { u32 status; /* TD0 */ #if defined(CONFIG_CPU_LITTLE_ENDIAN) u16 pad0; /* TD1 */ u16 buffer_length; /* TD1 */ #else u16 buffer_length; /* TD1 */ u16 pad0; /* TD1 */ #endif u32 addr; /* TD2 */ u32 pad1; /* padding data */ } __attribute__((aligned(2), packed)); /* * The sh ether Rx buffer descriptors. * This structure should be 20 bytes. */ struct sh_eth_rxdesc { u32 status; /* RD0 */ #if defined(CONFIG_CPU_LITTLE_ENDIAN) u16 frame_length; /* RD1 */ u16 buffer_length; /* RD1 */ #else u16 buffer_length; /* RD1 */ u16 frame_length; /* RD1 */ #endif u32 addr; /* RD2 */ u32 pad0; /* padding data */ } __attribute__((aligned(2), packed)); /* This structure is used by each CPU dependency handling. */ struct sh_eth_cpu_data { /* optional functions */ void (*chip_reset)(struct net_device *ndev); void (*set_duplex)(struct net_device *ndev); void (*set_rate)(struct net_device *ndev); /* mandatory initialize value */ unsigned long eesipr_value; /* optional initialize value */ unsigned long ecsr_value; unsigned long ecsipr_value; unsigned long fdr_value; unsigned long fcftr_value; unsigned long rpadir_value; unsigned long rmcr_value; /* interrupt checking mask */ unsigned long tx_check; unsigned long eesr_err_check; unsigned long tx_error_check; /* hardware features */ unsigned no_psr:1; /* EtherC DO NOT have PSR */ unsigned apr:1; /* EtherC have APR */ unsigned mpr:1; /* EtherC have MPR */ unsigned tpauser:1; /* EtherC have TPAUSER */ unsigned bculr:1; /* EtherC have BCULR */ unsigned tsu:1; /* EtherC have TSU */ unsigned hw_swap:1; /* E-DMAC have DE bit in EDMR */ unsigned rpadir:1; /* E-DMAC have RPADIR */ unsigned no_trimd:1; /* E-DMAC DO NOT have TRIMD */ unsigned no_ade:1; /* E-DMAC DO NOT have ADE bit in EESR */ }; struct sh_eth_private { struct platform_device *pdev; struct sh_eth_cpu_data *cd; const u16 *reg_offset; void __iomem *tsu_addr; dma_addr_t rx_desc_dma; dma_addr_t tx_desc_dma; struct sh_eth_rxdesc *rx_ring; struct sh_eth_txdesc *tx_ring; struct sk_buff **rx_skbuff; struct sk_buff **tx_skbuff; struct net_device_stats stats; struct timer_list timer; spinlock_t lock; u32 cur_rx, dirty_rx; /* Producer/consumer ring indices */ u32 cur_tx, dirty_tx; u32 rx_buf_sz; /* Based on MTU+slack. */ int edmac_endian; /* MII transceiver section. */ u32 phy_id; /* PHY ID */ struct mii_bus *mii_bus; /* MDIO bus control */ struct phy_device *phydev; /* PHY device control */ enum phy_state link; phy_interface_t phy_interface; int msg_enable; int speed; int duplex; u32 rx_int_var, tx_int_var; /* interrupt control variables */ char post_rx; /* POST receive */ char post_fw; /* POST forward */ struct net_device_stats tsu_stats; /* TSU forward status */ unsigned no_ether_link:1; unsigned ether_link_active_low:1; }; static inline void sh_eth_soft_swap(char *src, int len) { #ifdef __LITTLE_ENDIAN__ u32 *p = (u32 *)src; u32 *maxp; maxp = p + ((len + sizeof(u32) - 1) / sizeof(u32)); for (; p < maxp; p++) *p = swab32(*p); #endif } static inline void sh_eth_write(struct net_device *ndev, unsigned long data, int enum_index) { struct sh_eth_private *mdp = netdev_priv(ndev); writel(data, ndev->base_addr + mdp->reg_offset[enum_index]); } static inline unsigned long sh_eth_read(struct net_device *ndev, int enum_index) { struct sh_eth_private *mdp = netdev_priv(ndev); return readl(ndev->base_addr + mdp->reg_offset[enum_index]); } static inline void sh_eth_tsu_write(struct sh_eth_private *mdp, unsigned long data, int enum_index) { writel(data, mdp->tsu_addr + mdp->reg_offset[enum_index]); } static inline unsigned long sh_eth_tsu_read(struct sh_eth_private *mdp, int enum_index) { return readl(mdp->tsu_addr + mdp->reg_offset[enum_index]); } #endif /* #ifndef __SH_ETH_H__ */