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/*
* Copyright (C) 2007 Sergey Kubushyn <ksi@koi8.net>
*
* Based on:
*
* ----------------------------------------------------------------------------
*
* dm644x_emac.h
*
* TI DaVinci (DM644X) EMAC peripheral driver header for DV-EVM
*
* Copyright (C) 2005 Texas Instruments.
*
* ----------------------------------------------------------------------------
*
* 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., 675 Mass Ave, Cambridge, MA 02139, USA.
* ----------------------------------------------------------------------------
* Modifications:
* ver. 1.0: Sep 2005, TI PSP Team - Created EMAC version for uBoot.
*
*/
#ifndef _DM644X_EMAC_H_
#define _DM644X_EMAC_H_
#include <asm/arch/hardware.h>
#define EMAC_BASE_ADDR (0x01c80000)
#define EMAC_WRAPPER_BASE_ADDR (0x01c81000)
#define EMAC_WRAPPER_RAM_ADDR (0x01c82000)
#define EMAC_MDIO_BASE_ADDR (0x01c84000)
/* MDIO module input frequency */
#define EMAC_MDIO_BUS_FREQ 99000000 /* PLL/6 - 99 MHz */
/* MDIO clock output frequency */
#define EMAC_MDIO_CLOCK_FREQ 2000000 /* 2.0 MHz */
/* Ethernet Min/Max packet size */
#define EMAC_MIN_ETHERNET_PKT_SIZE 60
#define EMAC_MAX_ETHERNET_PKT_SIZE 1518
#define EMAC_PKT_ALIGN 18 /* 1518 + 18 = 1536 (packet aligned on 32 byte boundry) */
/* Number of RX packet buffers
* NOTE: Only 1 buffer supported as of now
*/
#define EMAC_MAX_RX_BUFFERS 10
/***********************************************
******** Internally used macros ***************
***********************************************/
#define EMAC_CH_TX 1
#define EMAC_CH_RX 0
/* Each descriptor occupies 4 words, lets start RX desc's at 0 and
* reserve space for 64 descriptors max
*/
#define EMAC_RX_DESC_BASE 0x0
#define EMAC_TX_DESC_BASE 0x1000
/* EMAC Teardown value */
#define EMAC_TEARDOWN_VALUE 0xfffffffc
/* MII Status Register */
#define MII_STATUS_REG 1
/* Number of statistics registers */
#define EMAC_NUM_STATS 36
/* EMAC Descriptor */
typedef volatile struct _emac_desc
{
u_int32_t next; /* Pointer to next descriptor in chain */
u_int8_t *buffer; /* Pointer to data buffer */
u_int32_t buff_off_len; /* Buffer Offset(MSW) and Length(LSW) */
u_int32_t pkt_flag_len; /* Packet Flags(MSW) and Length(LSW) */
} emac_desc;
/* CPPI bit positions */
#define EMAC_CPPI_SOP_BIT (0x80000000)
#define EMAC_CPPI_EOP_BIT (0x40000000)
#define EMAC_CPPI_OWNERSHIP_BIT (0x20000000)
#define EMAC_CPPI_EOQ_BIT (0x10000000)
#define EMAC_CPPI_TEARDOWN_COMPLETE_BIT (0x08000000)
#define EMAC_CPPI_PASS_CRC_BIT (0x04000000)
#define EMAC_CPPI_RX_ERROR_FRAME (0x03fc0000)
#define EMAC_MACCONTROL_MIIEN_ENABLE (0x20)
#define EMAC_MACCONTROL_FULLDUPLEX_ENABLE (0x1)
#define EMAC_RXMBPENABLE_RXCAFEN_ENABLE (0x200000)
#define EMAC_RXMBPENABLE_RXBROADEN (0x2000)
#define MDIO_CONTROL_IDLE (0x80000000)
#define MDIO_CONTROL_ENABLE (0x40000000)
#define MDIO_CONTROL_FAULT_ENABLE (0x40000)
#define MDIO_CONTROL_FAULT (0x80000)
#define MDIO_USERACCESS0_GO (0x80000000)
#define MDIO_USERACCESS0_WRITE_READ (0x0)
#define MDIO_USERACCESS0_WRITE_WRITE (0x40000000)
#define MDIO_USERACCESS0_ACK (0x20000000)
/* Ethernet MAC Registers Structure */
typedef struct {
dv_reg TXIDVER;
dv_reg TXCONTROL;
dv_reg TXTEARDOWN;
u_int8_t RSVD0[4];
dv_reg RXIDVER;
dv_reg RXCONTROL;
dv_reg RXTEARDOWN;
u_int8_t RSVD1[100];
dv_reg TXINTSTATRAW;
dv_reg TXINTSTATMASKED;
dv_reg TXINTMASKSET;
dv_reg TXINTMASKCLEAR;
dv_reg MACINVECTOR;
u_int8_t RSVD2[12];
dv_reg RXINTSTATRAW;
dv_reg RXINTSTATMASKED;
dv_reg RXINTMASKSET;
dv_reg RXINTMASKCLEAR;
dv_reg MACINTSTATRAW;
dv_reg MACINTSTATMASKED;
dv_reg MACINTMASKSET;
dv_reg MACINTMASKCLEAR;
u_int8_t RSVD3[64];
dv_reg RXMBPENABLE;
dv_reg RXUNICASTSET;
dv_reg RXUNICASTCLEAR;
dv_reg RXMAXLEN;
dv_reg RXBUFFEROFFSET;
dv_reg RXFILTERLOWTHRESH;
u_int8_t RSVD4[8];
dv_reg RX0FLOWTHRESH;
dv_reg RX1FLOWTHRESH;
dv_reg RX2FLOWTHRESH;
dv_reg RX3FLOWTHRESH;
dv_reg RX4FLOWTHRESH;
dv_reg RX5FLOWTHRESH;
dv_reg RX6FLOWTHRESH;
dv_reg RX7FLOWTHRESH;
dv_reg RX0FREEBUFFER;
dv_reg RX1FREEBUFFER;
dv_reg RX2FREEBUFFER;
dv_reg RX3FREEBUFFER;
dv_reg RX4FREEBUFFER;
dv_reg RX5FREEBUFFER;
dv_reg RX6FREEBUFFER;
dv_reg RX7FREEBUFFER;
dv_reg MACCONTROL;
dv_reg MACSTATUS;
dv_reg EMCONTROL;
dv_reg FIFOCONTROL;
dv_reg MACCONFIG;
dv_reg SOFTRESET;
u_int8_t RSVD5[88];
dv_reg MACSRCADDRLO;
dv_reg MACSRCADDRHI;
dv_reg MACHASH1;
dv_reg MACHASH2;
dv_reg BOFFTEST;
dv_reg TPACETEST;
dv_reg RXPAUSE;
dv_reg TXPAUSE;
u_int8_t RSVD6[16];
dv_reg RXGOODFRAMES;
dv_reg RXBCASTFRAMES;
dv_reg RXMCASTFRAMES;
dv_reg RXPAUSEFRAMES;
dv_reg RXCRCERRORS;
dv_reg RXALIGNCODEERRORS;
dv_reg RXOVERSIZED;
dv_reg RXJABBER;
dv_reg RXUNDERSIZED;
dv_reg RXFRAGMENTS;
dv_reg RXFILTERED;
dv_reg RXQOSFILTERED;
dv_reg RXOCTETS;
dv_reg TXGOODFRAMES;
dv_reg TXBCASTFRAMES;
dv_reg TXMCASTFRAMES;
dv_reg TXPAUSEFRAMES;
dv_reg TXDEFERRED;
dv_reg TXCOLLISION;
dv_reg TXSINGLECOLL;
dv_reg TXMULTICOLL;
dv_reg TXEXCESSIVECOLL;
dv_reg TXLATECOLL;
dv_reg TXUNDERRUN;
dv_reg TXCARRIERSENSE;
dv_reg TXOCTETS;
dv_reg FRAME64;
dv_reg FRAME65T127;
dv_reg FRAME128T255;
dv_reg FRAME256T511;
dv_reg FRAME512T1023;
dv_reg FRAME1024TUP;
dv_reg NETOCTETS;
dv_reg RXSOFOVERRUNS;
dv_reg RXMOFOVERRUNS;
dv_reg RXDMAOVERRUNS;
u_int8_t RSVD7[624];
dv_reg MACADDRLO;
dv_reg MACADDRHI;
dv_reg MACINDEX;
u_int8_t RSVD8[244];
dv_reg TX0HDP;
dv_reg TX1HDP;
dv_reg TX2HDP;
dv_reg TX3HDP;
dv_reg TX4HDP;
dv_reg TX5HDP;
dv_reg TX6HDP;
dv_reg TX7HDP;
dv_reg RX0HDP;
dv_reg RX1HDP;
dv_reg RX2HDP;
dv_reg RX3HDP;
dv_reg RX4HDP;
dv_reg RX5HDP;
dv_reg RX6HDP;
dv_reg RX7HDP;
dv_reg TX0CP;
dv_reg TX1CP;
dv_reg TX2CP;
dv_reg TX3CP;
dv_reg TX4CP;
dv_reg TX5CP;
dv_reg TX6CP;
dv_reg TX7CP;
dv_reg RX0CP;
dv_reg RX1CP;
dv_reg RX2CP;
dv_reg RX3CP;
dv_reg RX4CP;
dv_reg RX5CP;
dv_reg RX6CP;
dv_reg RX7CP;
} emac_regs;
/* EMAC Wrapper Registers Structure */
typedef struct {
u_int8_t RSVD0[4100];
dv_reg EWCTL;
dv_reg EWINTTCNT;
} ewrap_regs;
/* EMAC MDIO Registers Structure */
typedef struct {
dv_reg VERSION;
dv_reg CONTROL;
dv_reg ALIVE;
dv_reg LINK;
dv_reg LINKINTRAW;
dv_reg LINKINTMASKED;
u_int8_t RSVD0[8];
dv_reg USERINTRAW;
dv_reg USERINTMASKED;
dv_reg USERINTMASKSET;
dv_reg USERINTMASKCLEAR;
u_int8_t RSVD1[80];
dv_reg USERACCESS0;
dv_reg USERPHYSEL0;
dv_reg USERACCESS1;
dv_reg USERPHYSEL1;
} mdio_regs;
int davinci_eth_phy_read(u_int8_t phy_addr, u_int8_t reg_num, u_int16_t *data);
int davinci_eth_phy_write(u_int8_t phy_addr, u_int8_t reg_num, u_int16_t data);
typedef struct
{
char name[64];
int (*init)(int phy_addr);
int (*is_phy_connected)(int phy_addr);
int (*get_link_speed)(int phy_addr);
int (*auto_negotiate)(int phy_addr);
} phy_t;
#define PHY_LXT972 (0x001378e2)
int lxt972_is_phy_connected(int phy_addr);
int lxt972_get_link_speed(int phy_addr);
int lxt972_init_phy(int phy_addr);
int lxt972_auto_negotiate(int phy_addr);
#define PHY_DP83848 (0x20005c90)
int dp83848_is_phy_connected(int phy_addr);
int dp83848_get_link_speed(int phy_addr);
int dp83848_init_phy(int phy_addr);
int dp83848_auto_negotiate(int phy_addr);
#endif /* _DM644X_EMAC_H_ */
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