[J-u-boot.git] / drivers / net / fec_mxc.h

/*
 * (C) Copyright 2009 Ilya Yanok, Emcraft Systems Ltd <[email protected]>
 * (C) Copyright 2008 Armadeus Systems, nc
 * (C) Copyright 2008 Eric Jarrige <[email protected]>
 * (C) Copyright 2007 Pengutronix, Sascha Hauer <[email protected]>
 * (C) Copyright 2007 Pengutronix, Juergen Beisert <[email protected]>
 *
 * (C) Copyright 2003
 * Wolfgang Denk, DENX Software Engineering, [email protected].
 *
 * 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

void imx_get_mac_from_fuse(unsigned char *mac);

/**
 * 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 */

#if defined(CONFIG_MX25) || defined(CONFIG_MX53)
	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_RCNTRL_RMII			0x00000100

#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 */

#if defined(CONFIG_MX25) || defined(CONFIG_MX53)
/* 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  */
	RMII		/* RMII */
};

/**
 * @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;
	int dev_id;
	int phy_id;
	int (*mii_postcall)(int);
};

/**
 * @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 */
Commit	Line	Data
0b23fb36 IY	1	/*
	2	* (C) Copyright 2009 Ilya Yanok, Emcraft Systems Ltd <[email protected]>
	3	* (C) Copyright 2008 Armadeus Systems, nc
	4	* (C) Copyright 2008 Eric Jarrige <[email protected]>
	5	* (C) Copyright 2007 Pengutronix, Sascha Hauer <[email protected]>
	6	* (C) Copyright 2007 Pengutronix, Juergen Beisert <[email protected]>
	7	*
	8	* (C) Copyright 2003
	9	* Wolfgang Denk, DENX Software Engineering, [email protected].
	10	*
	11	* This file is based on mpc4200fec.h
	12	* (C) Copyright Motorola, Inc., 2000
	13	*
	14	* This program is free software; you can redistribute it and/or
	15	* modify it under the terms of the GNU General Public License as
	16	* published by the Free Software Foundation; either version 2 of
	17	* the License, or (at your option) any later version.
	18	*
	19	* This program is distributed in the hope that it will be useful,
	20	* but WITHOUT ANY WARRANTY; without even the implied warranty of
	21	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	22	* GNU General Public License for more details.
	23	*
	24	* You should have received a copy of the GNU General Public License
	25	* along with this program; if not, write to the Free Software
	26	* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
	27	* MA 02111-1307 USA
	28	*
	29	*/
	30
	31
	32	#ifndef __FEC_MXC_H
	33	#define __FEC_MXC_H
	34
8edcc6f2 MV	35	void imx_get_mac_from_fuse(unsigned char *mac);
8edcc6f2 MV	36
0b23fb36 IY	37	/**
	38	* Layout description of the FEC
	39	*/
	40	struct ethernet_regs {
	41
	42	/* [10:2]addr = 00 */
	43
	44	/* Control and status Registers (offset 000-1FF) */
	45
	46	uint32_t res0[1]; /* MBAR_ETH + 0x000 */
	47	uint32_t ievent; /* MBAR_ETH + 0x004 */
	48	uint32_t imask; /* MBAR_ETH + 0x008 */
	49
	50	uint32_t res1[1]; /* MBAR_ETH + 0x00C */
	51	uint32_t r_des_active; /* MBAR_ETH + 0x010 */
	52	uint32_t x_des_active; /* MBAR_ETH + 0x014 */
	53	uint32_t res2[3]; /* MBAR_ETH + 0x018-20 */
	54	uint32_t ecntrl; /* MBAR_ETH + 0x024 */
	55
	56	uint32_t res3[6]; /* MBAR_ETH + 0x028-03C */
	57	uint32_t mii_data; /* MBAR_ETH + 0x040 */
	58	uint32_t mii_speed; /* MBAR_ETH + 0x044 */
	59	uint32_t res4[7]; /* MBAR_ETH + 0x048-60 */
	60	uint32_t mib_control; /* MBAR_ETH + 0x064 */
	61
	62	uint32_t res5[7]; /* MBAR_ETH + 0x068-80 */
	63	uint32_t r_cntrl; /* MBAR_ETH + 0x084 */
	64	uint32_t res6[15]; /* MBAR_ETH + 0x088-C0 */
	65	uint32_t x_cntrl; /* MBAR_ETH + 0x0C4 */
	66	uint32_t res7[7]; /* MBAR_ETH + 0x0C8-E0 */
	67	uint32_t paddr1; /* MBAR_ETH + 0x0E4 */
	68	uint32_t paddr2; /* MBAR_ETH + 0x0E8 */
	69	uint32_t op_pause; /* MBAR_ETH + 0x0EC */
	70
	71	uint32_t res8[10]; /* MBAR_ETH + 0x0F0-114 */
	72	uint32_t iaddr1; /* MBAR_ETH + 0x118 */
	73	uint32_t iaddr2; /* MBAR_ETH + 0x11C */
	74	uint32_t gaddr1; /* MBAR_ETH + 0x120 */
	75	uint32_t gaddr2; /* MBAR_ETH + 0x124 */
	76	uint32_t res9[7]; /* MBAR_ETH + 0x128-140 */
	77
	78	uint32_t x_wmrk; /* MBAR_ETH + 0x144 */
	79	uint32_t res10[1]; /* MBAR_ETH + 0x148 */
	80	uint32_t r_bound; /* MBAR_ETH + 0x14C */
	81	uint32_t r_fstart; /* MBAR_ETH + 0x150 */
	82	uint32_t res11[11]; /* MBAR_ETH + 0x154-17C */
	83	uint32_t erdsr; /* MBAR_ETH + 0x180 */
	84	uint32_t etdsr; /* MBAR_ETH + 0x184 */
	85	uint32_t emrbr; /* MBAR_ETH + 0x188 */
	86	uint32_t res12[29]; /* MBAR_ETH + 0x18C-1FC */
	87
	88	/* MIB COUNTERS (Offset 200-2FF) */
	89
	90	uint32_t rmon_t_drop; /* MBAR_ETH + 0x200 */
	91	uint32_t rmon_t_packets; /* MBAR_ETH + 0x204 */
	92	uint32_t rmon_t_bc_pkt; /* MBAR_ETH + 0x208 */
	93	uint32_t rmon_t_mc_pkt; /* MBAR_ETH + 0x20C */
	94	uint32_t rmon_t_crc_align; /* MBAR_ETH + 0x210 */
	95	uint32_t rmon_t_undersize; /* MBAR_ETH + 0x214 */
	96	uint32_t rmon_t_oversize; /* MBAR_ETH + 0x218 */
	97	uint32_t rmon_t_frag; /* MBAR_ETH + 0x21C */
	98	uint32_t rmon_t_jab; /* MBAR_ETH + 0x220 */
	99	uint32_t rmon_t_col; /* MBAR_ETH + 0x224 */
	100	uint32_t rmon_t_p64; /* MBAR_ETH + 0x228 */
101	uint32_t rmon_t_p65to127; /* MBAR_ETH + 0x22C */
102	uint32_t rmon_t_p128to255; /* MBAR_ETH + 0x230 */
103	uint32_t rmon_t_p256to511; /* MBAR_ETH + 0x234 */
104	uint32_t rmon_t_p512to1023; /* MBAR_ETH + 0x238 */
105	uint32_t rmon_t_p1024to2047; /* MBAR_ETH + 0x23C */
106	uint32_t rmon_t_p_gte2048; /* MBAR_ETH + 0x240 */
107	uint32_t rmon_t_octets; /* MBAR_ETH + 0x244 */
108	uint32_t ieee_t_drop; /* MBAR_ETH + 0x248 */
109	uint32_t ieee_t_frame_ok; /* MBAR_ETH + 0x24C */
110	uint32_t ieee_t_1col; /* MBAR_ETH + 0x250 */
111	uint32_t ieee_t_mcol; /* MBAR_ETH + 0x254 */
112	uint32_t ieee_t_def; /* MBAR_ETH + 0x258 */
113	uint32_t ieee_t_lcol; /* MBAR_ETH + 0x25C */
114	uint32_t ieee_t_excol; /* MBAR_ETH + 0x260 */
115	uint32_t ieee_t_macerr; /* MBAR_ETH + 0x264 */
116	uint32_t ieee_t_cserr; /* MBAR_ETH + 0x268 */
117	uint32_t ieee_t_sqe; /* MBAR_ETH + 0x26C */
118	uint32_t t_fdxfc; /* MBAR_ETH + 0x270 */
119	uint32_t ieee_t_octets_ok; /* MBAR_ETH + 0x274 */
120
121	uint32_t res13[2]; /* MBAR_ETH + 0x278-27C */
122	uint32_t rmon_r_drop; /* MBAR_ETH + 0x280 */
123	uint32_t rmon_r_packets; /* MBAR_ETH + 0x284 */
124	uint32_t rmon_r_bc_pkt; /* MBAR_ETH + 0x288 */
125	uint32_t rmon_r_mc_pkt; /* MBAR_ETH + 0x28C */
126	uint32_t rmon_r_crc_align; /* MBAR_ETH + 0x290 */
127	uint32_t rmon_r_undersize; /* MBAR_ETH + 0x294 */
128	uint32_t rmon_r_oversize; /* MBAR_ETH + 0x298 */
129	uint32_t rmon_r_frag; /* MBAR_ETH + 0x29C */
130	uint32_t rmon_r_jab; /* MBAR_ETH + 0x2A0 */
131
132	uint32_t rmon_r_resvd_0; /* MBAR_ETH + 0x2A4 */
133
134	uint32_t rmon_r_p64; /* MBAR_ETH + 0x2A8 */
135	uint32_t rmon_r_p65to127; /* MBAR_ETH + 0x2AC */
136	uint32_t rmon_r_p128to255; /* MBAR_ETH + 0x2B0 */
137	uint32_t rmon_r_p256to511; /* MBAR_ETH + 0x2B4 */
138	uint32_t rmon_r_p512to1023; /* MBAR_ETH + 0x2B8 */
139	uint32_t rmon_r_p1024to2047; /* MBAR_ETH + 0x2BC */
140	uint32_t rmon_r_p_gte2048; /* MBAR_ETH + 0x2C0 */
141	uint32_t rmon_r_octets; /* MBAR_ETH + 0x2C4 */
142	uint32_t ieee_r_drop; /* MBAR_ETH + 0x2C8 */
143	uint32_t ieee_r_frame_ok; /* MBAR_ETH + 0x2CC */
144	uint32_t ieee_r_crc; /* MBAR_ETH + 0x2D0 */
145	uint32_t ieee_r_align; /* MBAR_ETH + 0x2D4 */
146	uint32_t r_macerr; /* MBAR_ETH + 0x2D8 */
147	uint32_t r_fdxfc; /* MBAR_ETH + 0x2DC */
148	uint32_t ieee_r_octets_ok; /* MBAR_ETH + 0x2E0 */
149
740d6ae5 JR	150	uint32_t res14[7]; /* MBAR_ETH + 0x2E4-2FC */
740d6ae5 JR	151
96912453	152	#if defined(CONFIG_MX25) \|\| defined(CONFIG_MX53)
740d6ae5 JR	153	uint16_t miigsk_cfgr; /* MBAR_ETH + 0x300 */
	154	uint16_t res15[3]; /* MBAR_ETH + 0x302-306 */
	155	uint16_t miigsk_enr; /* MBAR_ETH + 0x308 */
	156	uint16_t res16[3]; /* MBAR_ETH + 0x30a-30e */
	157	uint32_t res17[60]; /* MBAR_ETH + 0x300-3FF */
	158	#else
0b23fb36	159	uint32_t res15[64]; /* MBAR_ETH + 0x300-3FF */
740d6ae5	160	#endif
0b23fb36 IY	161	};
	162
	163	#define FEC_IEVENT_HBERR 0x80000000
	164	#define FEC_IEVENT_BABR 0x40000000
	165	#define FEC_IEVENT_BABT 0x20000000
	166	#define FEC_IEVENT_GRA 0x10000000
	167	#define FEC_IEVENT_TXF 0x08000000
	168	#define FEC_IEVENT_TXB 0x04000000
	169	#define FEC_IEVENT_RXF 0x02000000
	170	#define FEC_IEVENT_RXB 0x01000000
	171	#define FEC_IEVENT_MII 0x00800000
	172	#define FEC_IEVENT_EBERR 0x00400000
	173	#define FEC_IEVENT_LC 0x00200000
	174	#define FEC_IEVENT_RL 0x00100000
	175	#define FEC_IEVENT_UN 0x00080000
	176
	177	#define FEC_IMASK_HBERR 0x80000000
	178	#define FEC_IMASK_BABR 0x40000000
	179	#define FEC_IMASKT_BABT 0x20000000
	180	#define FEC_IMASK_GRA 0x10000000
	181	#define FEC_IMASKT_TXF 0x08000000
	182	#define FEC_IMASK_TXB 0x04000000
	183	#define FEC_IMASKT_RXF 0x02000000
	184	#define FEC_IMASK_RXB 0x01000000
	185	#define FEC_IMASK_MII 0x00800000
	186	#define FEC_IMASK_EBERR 0x00400000
	187	#define FEC_IMASK_LC 0x00200000
	188	#define FEC_IMASKT_RL 0x00100000
	189	#define FEC_IMASK_UN 0x00080000
	190
	191
	192	#define FEC_RCNTRL_MAX_FL_SHIFT 16
	193	#define FEC_RCNTRL_LOOP 0x00000001
	194	#define FEC_RCNTRL_DRT 0x00000002
	195	#define FEC_RCNTRL_MII_MODE 0x00000004
	196	#define FEC_RCNTRL_PROM 0x00000008
	197	#define FEC_RCNTRL_BC_REJ 0x00000010
	198	#define FEC_RCNTRL_FCE 0x00000020
a50a90c9	199	#define FEC_RCNTRL_RMII 0x00000100
0b23fb36 IY	200
	201	#define FEC_TCNTRL_GTS 0x00000001
	202	#define FEC_TCNTRL_HBC 0x00000002
	203	#define FEC_TCNTRL_FDEN 0x00000004
	204	#define FEC_TCNTRL_TFC_PAUSE 0x00000008
	205	#define FEC_TCNTRL_RFC_PAUSE 0x00000010
	206
	207	#define FEC_ECNTRL_RESET 0x00000001 /* reset the FEC */
	208	#define FEC_ECNTRL_ETHER_EN 0x00000002 /* enable the FEC */
	209
96912453	210	#if defined(CONFIG_MX25) \|\| defined(CONFIG_MX53)
740d6ae5 JR	211	/* defines for MIIGSK */
	212	/* RMII frequency control: 0=50MHz, 1=5MHz */
	213	#define MIIGSK_CFGR_FRCONT (1 << 6)
	214	/* loopback mode */
	215	#define MIIGSK_CFGR_LBMODE (1 << 4)
	216	/* echo mode */
	217	#define MIIGSK_CFGR_EMODE (1 << 3)
	218	/* MII gasket mode field */
	219	#define MIIGSK_CFGR_IF_MODE_MASK (3 << 0)
	220	/* MMI/7-Wire mode */
	221	#define MIIGSK_CFGR_IF_MODE_MII (0 << 0)
	222	/* RMII mode */
	223	#define MIIGSK_CFGR_IF_MODE_RMII (1 << 0)
	224	/* reflects MIIGSK Enable bit (RO) */
	225	#define MIIGSK_ENR_READY (1 << 2)
	226	/* enable MIGSK (set by default) */
	227	#define MIIGSK_ENR_EN (1 << 1)
	228	#endif
	229
0b23fb36 IY	230	/**
	231	* @brief Descriptor buffer alignment
	232	*
	233	* i.MX27 requires a 16 byte alignment (but for the first element only)
	234	*/
	235	#define DB_ALIGNMENT 16
	236
	237	/**
	238	* @brief Data buffer alignment
	239	*
	240	* i.MX27 requires a four byte alignment for transmit and 16 bits
	241	* alignment for receive so take 16
	242	* Note: Valid for member data_pointer in struct buffer_descriptor
	243	*/
	244	#define DB_DATA_ALIGNMENT 16
	245
	246	/**
	247	* @brief Receive & Transmit Buffer Descriptor definitions
	248	*
	249	* Note: The first BD must be aligned (see DB_ALIGNMENT)
	250	*/
	251	struct fec_bd {
	252	uint16_t data_length; /* payload's length in bytes */
	253	uint16_t status; /* BD's staus (see datasheet) */
	254	uint32_t data_pointer; /* payload's buffer address */
	255	};
	256
	257	/**
	258	* Supported phy types on this platform
	259	*/
	260	enum xceiver_type {
	261	SEVENWIRE, /* 7-wire */
	262	MII10, /* MII 10Mbps */
a50a90c9 MV	263	MII100, /* MII 100Mbps */
a50a90c9 MV	264	RMII /* RMII */
0b23fb36 IY	265	};
	266
	267	/**
	268	* @brief i.MX27-FEC private structure
	269	*/
	270	struct fec_priv {
	271	struct ethernet_regs eth; / pointer to register'S base */
	272	enum xceiver_type xcv_type; /* transceiver type */
	273	struct fec_bd rbd_base; / RBD ring */
	274	int rbd_index; /* next receive BD to read */
	275	struct fec_bd tbd_base; / TBD ring */
	276	int tbd_index; /* next transmit BD to write */
	277	bd_t *bd;
	278	void *rdb_ptr;
	279	void *base_ptr;
9e27e9dc MV	280	int dev_id;
9e27e9dc MV	281	int phy_id;
2e5f4421	282	int (*mii_postcall)(int);
0b23fb36 IY	283	};
	284
	285	/**
	286	* @brief Numbers of buffer descriptors for receiving
	287	*
	288	* The number defines the stocked memory buffers for the receiving task.
	289	* Larger values makes no sense in this limited environment.
	290	*/
	291	#define FEC_RBD_NUM 64
	292
	293	/**
	294	* @brief Define the ethernet packet size limit in memory
	295	*
	296	* Note: Do not shrink this number. This will force the FEC to spread larger
	297	* frames in more than one BD. This is nothing to worry about, but the current
	298	* driver can't handle it.
	299	*/
	300	#define FEC_MAX_PKT_SIZE 1536
	301
	302	/* Receive BD status bits */
	303	#define FEC_RBD_EMPTY 0x8000 /* Receive BD status: Buffer is empty */
	304	#define FEC_RBD_WRAP 0x2000 /* Receive BD status: Last BD in ring */
	305	/* Receive BD status: Buffer is last in frame (useless here!) */
	306	#define FEC_RBD_LAST 0x0800
	307	#define FEC_RBD_MISS 0x0100 /* Receive BD status: Miss bit for prom mode */
	308	/* Receive BD status: The received frame is broadcast frame */
	309	#define FEC_RBD_BC 0x0080
	310	/* Receive BD status: The received frame is multicast frame */
	311	#define FEC_RBD_MC 0x0040
	312	#define FEC_RBD_LG 0x0020 /* Receive BD status: Frame length violation */
	313	#define FEC_RBD_NO 0x0010 /* Receive BD status: Nonoctet align frame */
	314	#define FEC_RBD_CR 0x0004 /* Receive BD status: CRC error */
	315	#define FEC_RBD_OV 0x0002 /* Receive BD status: Receive FIFO overrun */
	316	#define FEC_RBD_TR 0x0001 /* Receive BD status: Frame is truncated */
	317	#define FEC_RBD_ERR (FEC_RBD_LG \| FEC_RBD_NO \| FEC_RBD_CR \| \
	318	FEC_RBD_OV \| FEC_RBD_TR)
	319
	320	/* Transmit BD status bits */
	321	#define FEC_TBD_READY 0x8000 /* Tansmit BD status: Buffer is ready */
	322	#define FEC_TBD_WRAP 0x2000 /* Tansmit BD status: Mark as last BD in ring */
	323	#define FEC_TBD_LAST 0x0800 /* Tansmit BD status: Buffer is last in frame */
	324	#define FEC_TBD_TC 0x0400 /* Tansmit BD status: Transmit the CRC */
	325	#define FEC_TBD_ABC 0x0200 /* Tansmit BD status: Append bad CRC */
	326
	327	/* MII-related definitios */
	328	#define FEC_MII_DATA_ST 0x40000000 /* Start of frame delimiter */
	329	#define FEC_MII_DATA_OP_RD 0x20000000 /* Perform a read operation */
	330	#define FEC_MII_DATA_OP_WR 0x10000000 /* Perform a write operation */
	331	#define FEC_MII_DATA_PA_MSK 0x0f800000 /* PHY Address field mask */
	332	#define FEC_MII_DATA_RA_MSK 0x007c0000 /* PHY Register field mask */
	333	#define FEC_MII_DATA_TA 0x00020000 /* Turnaround */
	334	#define FEC_MII_DATA_DATAMSK 0x0000ffff /* PHY data field */
	335
	336	#define FEC_MII_DATA_RA_SHIFT 18 /* MII Register address bits */
	337	#define FEC_MII_DATA_PA_SHIFT 23 /* MII PHY address bits */
	338
	339	#endif /* __FEC_MXC_H */