--- /dev/null
+/*
+ * (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
+ *
+ * SPDX-License-Identifier: GPL-2.0+
+ */
+
+
+#ifndef __FEC_MXC_H
+#define __FEC_MXC_H
+
+void imx_get_mac_from_fuse(int dev_id, 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) || defined(CONFIG_MX6SL)
+ 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_RGMII 0x00000040
+#define FEC_RCNTRL_RMII 0x00000100
+#define FEC_RCNTRL_RMII_10T 0x00000200
+
+#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 */
+#define FEC_ECNTRL_SPEED 0x00000020
+#define FEC_ECNTRL_DBSWAP 0x00000100
+
+#define FEC_X_WMRK_STRFWD 0x00000100
+
+#define FEC_X_DES_ACTIVE_TDAR 0x01000000
+#define FEC_R_DES_ACTIVE_RDAR 0x01000000
+
+#if defined(CONFIG_MX25) || defined(CONFIG_MX53) || defined(CONFIG_MX6SL)
+/* 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 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 */
+ RGMII, /* RGMII */
+};
+
+/**
+ * @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;
+ uint8_t *tdb_ptr;
+ int dev_id;
+ struct mii_dev *bus;
+#ifdef CONFIG_PHYLIB
+ struct phy_device *phydev;
+#else
+ int phy_id;
+ int (*mii_postcall)(int);
+#endif
+};
+
+/**
+ * @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 */
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