/* * (C) Copyright 2009 Ilya Yanok, Emcraft Systems Ltd <yanok@emcraft.com> * (C) Copyright 2008 Armadeus Systems, nc * (C) Copyright 2008 Eric Jarrige <eric.jarrige@armadeus.org> * (C) Copyright 2007 Pengutronix, Sascha Hauer <s.hauer@pengutronix.de> * (C) Copyright 2007 Pengutronix, Juergen Beisert <j.beisert@pengutronix.de> * * (C) Copyright 2003 * Wolfgang Denk, DENX Software Engineering, wd@denx.de. * * This file is based on mpc4200fec.h * (C) Copyright Motorola, Inc., 2000 * * 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_MXC_H #define __FEC_MXC_H /** * Layout description of the FEC */ struct ethernet_regs { /* [10:2]addr = 00 */ /* Control and status Registers (offset 000-1FF) */ uint32_t res0[1]; /* MBAR_ETH + 0x000 */ uint32_t ievent; /* MBAR_ETH + 0x004 */ uint32_t imask; /* MBAR_ETH + 0x008 */ uint32_t res1[1]; /* MBAR_ETH + 0x00C */ uint32_t r_des_active; /* MBAR_ETH + 0x010 */ uint32_t x_des_active; /* MBAR_ETH + 0x014 */ uint32_t res2[3]; /* MBAR_ETH + 0x018-20 */ uint32_t ecntrl; /* MBAR_ETH + 0x024 */ uint32_t res3[6]; /* MBAR_ETH + 0x028-03C */ uint32_t mii_data; /* MBAR_ETH + 0x040 */ uint32_t mii_speed; /* MBAR_ETH + 0x044 */ uint32_t res4[7]; /* MBAR_ETH + 0x048-60 */ uint32_t mib_control; /* MBAR_ETH + 0x064 */ uint32_t res5[7]; /* MBAR_ETH + 0x068-80 */ uint32_t r_cntrl; /* MBAR_ETH + 0x084 */ uint32_t res6[15]; /* MBAR_ETH + 0x088-C0 */ uint32_t x_cntrl; /* MBAR_ETH + 0x0C4 */ uint32_t res7[7]; /* MBAR_ETH + 0x0C8-E0 */ uint32_t paddr1; /* MBAR_ETH + 0x0E4 */ uint32_t paddr2; /* MBAR_ETH + 0x0E8 */ uint32_t op_pause; /* MBAR_ETH + 0x0EC */ uint32_t res8[10]; /* MBAR_ETH + 0x0F0-114 */ uint32_t iaddr1; /* MBAR_ETH + 0x118 */ uint32_t iaddr2; /* MBAR_ETH + 0x11C */ uint32_t gaddr1; /* MBAR_ETH + 0x120 */ uint32_t gaddr2; /* MBAR_ETH + 0x124 */ uint32_t res9[7]; /* MBAR_ETH + 0x128-140 */ uint32_t x_wmrk; /* MBAR_ETH + 0x144 */ uint32_t res10[1]; /* MBAR_ETH + 0x148 */ uint32_t r_bound; /* MBAR_ETH + 0x14C */ uint32_t r_fstart; /* MBAR_ETH + 0x150 */ uint32_t res11[11]; /* MBAR_ETH + 0x154-17C */ uint32_t erdsr; /* MBAR_ETH + 0x180 */ uint32_t etdsr; /* MBAR_ETH + 0x184 */ uint32_t emrbr; /* MBAR_ETH + 0x188 */ uint32_t res12[29]; /* MBAR_ETH + 0x18C-1FC */ /* MIB COUNTERS (Offset 200-2FF) */ uint32_t rmon_t_drop; /* MBAR_ETH + 0x200 */ uint32_t rmon_t_packets; /* MBAR_ETH + 0x204 */ uint32_t rmon_t_bc_pkt; /* MBAR_ETH + 0x208 */ uint32_t rmon_t_mc_pkt; /* MBAR_ETH + 0x20C */ uint32_t rmon_t_crc_align; /* MBAR_ETH + 0x210 */ uint32_t rmon_t_undersize; /* MBAR_ETH + 0x214 */ uint32_t rmon_t_oversize; /* MBAR_ETH + 0x218 */ uint32_t rmon_t_frag; /* MBAR_ETH + 0x21C */ uint32_t rmon_t_jab; /* MBAR_ETH + 0x220 */ uint32_t rmon_t_col; /* MBAR_ETH + 0x224 */ uint32_t rmon_t_p64; /* MBAR_ETH + 0x228 */ uint32_t rmon_t_p65to127; /* MBAR_ETH + 0x22C */ uint32_t rmon_t_p128to255; /* MBAR_ETH + 0x230 */ uint32_t rmon_t_p256to511; /* MBAR_ETH + 0x234 */ uint32_t rmon_t_p512to1023; /* MBAR_ETH + 0x238 */ uint32_t rmon_t_p1024to2047; /* MBAR_ETH + 0x23C */ uint32_t rmon_t_p_gte2048; /* MBAR_ETH + 0x240 */ uint32_t rmon_t_octets; /* MBAR_ETH + 0x244 */ uint32_t ieee_t_drop; /* MBAR_ETH + 0x248 */ uint32_t ieee_t_frame_ok; /* MBAR_ETH + 0x24C */ uint32_t ieee_t_1col; /* MBAR_ETH + 0x250 */ uint32_t ieee_t_mcol; /* MBAR_ETH + 0x254 */ uint32_t ieee_t_def; /* MBAR_ETH + 0x258 */ uint32_t ieee_t_lcol; /* MBAR_ETH + 0x25C */ uint32_t ieee_t_excol; /* MBAR_ETH + 0x260 */ uint32_t ieee_t_macerr; /* MBAR_ETH + 0x264 */ uint32_t ieee_t_cserr; /* MBAR_ETH + 0x268 */ uint32_t ieee_t_sqe; /* MBAR_ETH + 0x26C */ uint32_t t_fdxfc; /* MBAR_ETH + 0x270 */ uint32_t ieee_t_octets_ok; /* MBAR_ETH + 0x274 */ uint32_t res13[2]; /* MBAR_ETH + 0x278-27C */ uint32_t rmon_r_drop; /* MBAR_ETH + 0x280 */ uint32_t rmon_r_packets; /* MBAR_ETH + 0x284 */ uint32_t rmon_r_bc_pkt; /* MBAR_ETH + 0x288 */ uint32_t rmon_r_mc_pkt; /* MBAR_ETH + 0x28C */ uint32_t rmon_r_crc_align; /* MBAR_ETH + 0x290 */ uint32_t rmon_r_undersize; /* MBAR_ETH + 0x294 */ uint32_t rmon_r_oversize; /* MBAR_ETH + 0x298 */ uint32_t rmon_r_frag; /* MBAR_ETH + 0x29C */ uint32_t rmon_r_jab; /* MBAR_ETH + 0x2A0 */ uint32_t rmon_r_resvd_0; /* MBAR_ETH + 0x2A4 */ uint32_t rmon_r_p64; /* MBAR_ETH + 0x2A8 */ uint32_t rmon_r_p65to127; /* MBAR_ETH + 0x2AC */ uint32_t rmon_r_p128to255; /* MBAR_ETH + 0x2B0 */ uint32_t rmon_r_p256to511; /* MBAR_ETH + 0x2B4 */ uint32_t rmon_r_p512to1023; /* MBAR_ETH + 0x2B8 */ uint32_t rmon_r_p1024to2047; /* MBAR_ETH + 0x2BC */ uint32_t rmon_r_p_gte2048; /* MBAR_ETH + 0x2C0 */ uint32_t rmon_r_octets; /* MBAR_ETH + 0x2C4 */ uint32_t ieee_r_drop; /* MBAR_ETH + 0x2C8 */ uint32_t ieee_r_frame_ok; /* MBAR_ETH + 0x2CC */ uint32_t ieee_r_crc; /* MBAR_ETH + 0x2D0 */ uint32_t ieee_r_align; /* MBAR_ETH + 0x2D4 */ uint32_t r_macerr; /* MBAR_ETH + 0x2D8 */ uint32_t r_fdxfc; /* MBAR_ETH + 0x2DC */ uint32_t ieee_r_octets_ok; /* MBAR_ETH + 0x2E0 */ uint32_t res14[7]; /* MBAR_ETH + 0x2E4-2FC */ #ifdef CONFIG_MX25 uint16_t miigsk_cfgr; /* MBAR_ETH + 0x300 */ uint16_t res15[3]; /* MBAR_ETH + 0x302-306 */ uint16_t miigsk_enr; /* MBAR_ETH + 0x308 */ uint16_t res16[3]; /* MBAR_ETH + 0x30a-30e */ uint32_t res17[60]; /* MBAR_ETH + 0x300-3FF */ #else uint32_t res15[64]; /* MBAR_ETH + 0x300-3FF */ #endif }; #define FEC_IEVENT_HBERR 0x80000000 #define FEC_IEVENT_BABR 0x40000000 #define FEC_IEVENT_BABT 0x20000000 #define FEC_IEVENT_GRA 0x10000000 #define FEC_IEVENT_TXF 0x08000000 #define FEC_IEVENT_TXB 0x04000000 #define FEC_IEVENT_RXF 0x02000000 #define FEC_IEVENT_RXB 0x01000000 #define FEC_IEVENT_MII 0x00800000 #define FEC_IEVENT_EBERR 0x00400000 #define FEC_IEVENT_LC 0x00200000 #define FEC_IEVENT_RL 0x00100000 #define FEC_IEVENT_UN 0x00080000 #define FEC_IMASK_HBERR 0x80000000 #define FEC_IMASK_BABR 0x40000000 #define FEC_IMASKT_BABT 0x20000000 #define FEC_IMASK_GRA 0x10000000 #define FEC_IMASKT_TXF 0x08000000 #define FEC_IMASK_TXB 0x04000000 #define FEC_IMASKT_RXF 0x02000000 #define FEC_IMASK_RXB 0x01000000 #define FEC_IMASK_MII 0x00800000 #define FEC_IMASK_EBERR 0x00400000 #define FEC_IMASK_LC 0x00200000 #define FEC_IMASKT_RL 0x00100000 #define FEC_IMASK_UN 0x00080000 #define FEC_RCNTRL_MAX_FL_SHIFT 16 #define FEC_RCNTRL_LOOP 0x00000001 #define FEC_RCNTRL_DRT 0x00000002 #define FEC_RCNTRL_MII_MODE 0x00000004 #define FEC_RCNTRL_PROM 0x00000008 #define FEC_RCNTRL_BC_REJ 0x00000010 #define FEC_RCNTRL_FCE 0x00000020 #define FEC_TCNTRL_GTS 0x00000001 #define FEC_TCNTRL_HBC 0x00000002 #define FEC_TCNTRL_FDEN 0x00000004 #define FEC_TCNTRL_TFC_PAUSE 0x00000008 #define FEC_TCNTRL_RFC_PAUSE 0x00000010 #define FEC_ECNTRL_RESET 0x00000001 /* reset the FEC */ #define FEC_ECNTRL_ETHER_EN 0x00000002 /* enable the FEC */ #ifdef CONFIG_MX25 /* defines for MIIGSK */ /* RMII frequency control: 0=50MHz, 1=5MHz */ #define MIIGSK_CFGR_FRCONT (1 << 6) /* loopback mode */ #define MIIGSK_CFGR_LBMODE (1 << 4) /* echo mode */ #define MIIGSK_CFGR_EMODE (1 << 3) /* MII gasket mode field */ #define MIIGSK_CFGR_IF_MODE_MASK (3 << 0) /* MMI/7-Wire mode */ #define MIIGSK_CFGR_IF_MODE_MII (0 << 0) /* RMII mode */ #define MIIGSK_CFGR_IF_MODE_RMII (1 << 0) /* reflects MIIGSK Enable bit (RO) */ #define MIIGSK_ENR_READY (1 << 2) /* enable MIGSK (set by default) */ #define MIIGSK_ENR_EN (1 << 1) #endif /** * @brief Descriptor buffer alignment * * i.MX27 requires a 16 byte alignment (but for the first element only) */ #define DB_ALIGNMENT 16 /** * @brief Data buffer alignment * * i.MX27 requires a four byte alignment for transmit and 16 bits * alignment for receive so take 16 * Note: Valid for member data_pointer in struct buffer_descriptor */ #define DB_DATA_ALIGNMENT 16 /** * @brief Receive & Transmit Buffer Descriptor definitions * * Note: The first BD must be aligned (see DB_ALIGNMENT) */ struct fec_bd { uint16_t data_length; /* payload's length in bytes */ uint16_t status; /* BD's staus (see datasheet) */ uint32_t data_pointer; /* payload's buffer address */ }; /** * Supported phy types on this platform */ enum xceiver_type { SEVENWIRE, /* 7-wire */ MII10, /* MII 10Mbps */ MII100 /* MII 100Mbps */ }; /** * @brief i.MX27-FEC private structure */ struct fec_priv { struct ethernet_regs *eth; /* pointer to register'S base */ enum xceiver_type xcv_type; /* transceiver type */ struct fec_bd *rbd_base; /* RBD ring */ int rbd_index; /* next receive BD to read */ struct fec_bd *tbd_base; /* TBD ring */ int tbd_index; /* next transmit BD to write */ bd_t *bd; void *rdb_ptr; void *base_ptr; }; /** * @brief Numbers of buffer descriptors for receiving * * The number defines the stocked memory buffers for the receiving task. * Larger values makes no sense in this limited environment. */ #define FEC_RBD_NUM 64 /** * @brief Define the ethernet packet size limit in memory * * Note: Do not shrink this number. This will force the FEC to spread larger * frames in more than one BD. This is nothing to worry about, but the current * driver can't handle it. */ #define FEC_MAX_PKT_SIZE 1536 /* Receive BD status bits */ #define FEC_RBD_EMPTY 0x8000 /* Receive BD status: Buffer is empty */ #define FEC_RBD_WRAP 0x2000 /* Receive BD status: Last BD in ring */ /* Receive BD status: Buffer is last in frame (useless here!) */ #define FEC_RBD_LAST 0x0800 #define FEC_RBD_MISS 0x0100 /* Receive BD status: Miss bit for prom mode */ /* Receive BD status: The received frame is broadcast frame */ #define FEC_RBD_BC 0x0080 /* Receive BD status: The received frame is multicast frame */ #define FEC_RBD_MC 0x0040 #define FEC_RBD_LG 0x0020 /* Receive BD status: Frame length violation */ #define FEC_RBD_NO 0x0010 /* Receive BD status: Nonoctet align frame */ #define FEC_RBD_CR 0x0004 /* Receive BD status: CRC error */ #define FEC_RBD_OV 0x0002 /* Receive BD status: Receive FIFO overrun */ #define FEC_RBD_TR 0x0001 /* Receive BD status: Frame is truncated */ #define FEC_RBD_ERR (FEC_RBD_LG | FEC_RBD_NO | FEC_RBD_CR | \ FEC_RBD_OV | FEC_RBD_TR) /* Transmit BD status bits */ #define FEC_TBD_READY 0x8000 /* Tansmit BD status: Buffer is ready */ #define FEC_TBD_WRAP 0x2000 /* Tansmit BD status: Mark as last BD in ring */ #define FEC_TBD_LAST 0x0800 /* Tansmit BD status: Buffer is last in frame */ #define FEC_TBD_TC 0x0400 /* Tansmit BD status: Transmit the CRC */ #define FEC_TBD_ABC 0x0200 /* Tansmit BD status: Append bad CRC */ /* MII-related definitios */ #define FEC_MII_DATA_ST 0x40000000 /* Start of frame delimiter */ #define FEC_MII_DATA_OP_RD 0x20000000 /* Perform a read operation */ #define FEC_MII_DATA_OP_WR 0x10000000 /* Perform a write operation */ #define FEC_MII_DATA_PA_MSK 0x0f800000 /* PHY Address field mask */ #define FEC_MII_DATA_RA_MSK 0x007c0000 /* PHY Register field mask */ #define FEC_MII_DATA_TA 0x00020000 /* Turnaround */ #define FEC_MII_DATA_DATAMSK 0x0000ffff /* PHY data field */ #define FEC_MII_DATA_RA_SHIFT 18 /* MII Register address bits */ #define FEC_MII_DATA_PA_SHIFT 23 /* MII PHY address bits */ #endif /* __FEC_MXC_H */