| /* |
| * (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[6]; /* MBAR_ETH + 0x2E4-2FC */ |
| |
| uint32_t res15[64]; /* MBAR_ETH + 0x300-3FF */ |
| }; |
| |
| #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 */ |
| |
| /** |
| * @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 */ |
