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//==========================================================================

//

//      devs/eth/frv/frv400/..../include/devs_eth_frv400.inl

//

//      FRV400 ethernet I/O definitions.

//

//==========================================================================

//####ECOSGPLCOPYRIGHTBEGIN####

// -------------------------------------------

// This file is part of eCos, the Embedded Configurable Operating System.

// Copyright (C) 1998, 1999, 2000, 2001, 2002 Red Hat, Inc.

//

// eCos 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 or (at your option) any later version.

//

// eCos 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 eCos; if not, write to the Free Software Foundation, Inc.,

// 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.

//

// As a special exception, if other files instantiate templates or use macros

// or inline functions from this file, or you compile this file and link it

// with other works to produce a work based on this file, this file does not

// by itself cause the resulting work to be covered by the GNU General Public

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//####ECOSGPLCOPYRIGHTEND####

//==========================================================================

//#####DESCRIPTIONBEGIN####

//

// Author(s):    jskov, hmt, gthomas

// Contributors: jskov

// Date:         2001-02-28

// Purpose:      FRV400 ethernet defintions

//####DESCRIPTIONEND####

//==========================================================================

#include            // CYGNUM_HAL_INTERRUPT_ETHR

#include 

#include 

#ifdef __WANT_CONFIG

#define CYGHWR_NS_DP83902A_PLF_RESET(_dp_)      \

    CYG_MACRO_START                             \

    cyg_uint8 _t;                               \

    HAL_READ_UINT8(_dp_->reset, _t);            \

    CYGACC_CALL_IF_DELAY_US(10);                \

    HAL_WRITE_UINT8(_dp_->reset, _t);           \

    CYGACC_CALL_IF_DELAY_US(10000);                \

    CYG_MACRO_END

#define DP_IN(_b_, _o_, _d_)                                    \

    CYG_MACRO_START                                             \

    HAL_READ_UINT8(((cyg_addrword_t)(_b_)+(_o_))^0x03, (_d_));    \

    CYG_MACRO_END

#define DP_OUT(_b_, _o_, _d_)                                   \

    CYG_MACRO_START                                             \

    HAL_WRITE_UINT8(((cyg_addrword_t)(_b_)+(_o_))^0x03, (_d_));   \

    CYG_MACRO_END

#define DP_IN_DATA(_b_, _d_)                                    \

    CYG_MACRO_START                                             \

    HAL_READ_UINT16((cyg_addrword_t)(_b_)^0x02, (_d_));         \

    CYG_MACRO_END

#define DP_OUT_DATA(_b_, _d_)                                   \

    CYG_MACRO_START                                             \

    HAL_WRITE_UINT16((cyg_addrword_t)(_b_)^0x02, (_d_));        \

    CYG_MACRO_END

//#define CYGHWR_NS_DP83902A_PLF_16BIT_DATA

//#define CYGHWR_NS_DP83902A_PLF_BROKEN_TX_DMA

#endif // __WANT_CONFIG

#ifdef __WANT_DEVS

#if defined(CYGSEM_DEVS_ETH_FRV400_ETH0_SET_ESA)

#if defined(CYGPKG_REDBOOT)

#include 

#ifdef CYGSEM_REDBOOT_FLASH_CONFIG

#include 

#include 

RedBoot_config_option("Network hardware address [MAC]",

                      lan_esa,

                      ALWAYS_ENABLED, true,

                      CONFIG_ESA, 0

    );

#endif  // CYGSEM_REDBOOT_FLASH_CONFIG

#endif  // CYGPKG_REDBOOT

#include 

#ifndef CONFIG_ESA

#define CONFIG_ESA 6

#endif

#endif

static cyg_bool

find_rtl8029_match_func( cyg_uint16 v, cyg_uint16 d, cyg_uint32 c, void *p )

{

    return ((v == 0x10EC) && (d == 0x8029));

}

static void

_frv400_eth_init(dp83902a_priv_data_t *dp)

{

    cyg_pci_device_id devid;

    cyg_pci_device dev_info;

#if defined(CYGSEM_DEVS_ETH_FRV400_ETH0_SET_ESA)

    cyg_bool esa_ok;

    unsigned char _esa[6];

#else

    unsigned char prom[32];

    int i;

#endif

    devid = CYG_PCI_NULL_DEVID;

    if (cyg_pci_find_matching( &find_rtl8029_match_func, NULL, &devid )) {

        cyg_pci_get_device_info(devid, &dev_info);

        cyg_pci_translate_interrupt(&dev_info, &dp->interrupt);

        dp->base = (cyg_uint8 *)(dev_info.base_map[0] & ~1);

        dp->data = dp->base + 0x10;

        dp->reset = dp->base + 0x1F;

        diag_printf("RTL8029 at %p, interrupt: %x\n", dp->base, dp->interrupt);

#if defined(CYGSEM_DEVS_ETH_FRV400_ETH0_SET_ESA)

        esa_ok = CYGACC_CALL_IF_FLASH_CFG_OP(CYGNUM_CALL_IF_FLASH_CFG_GET,

                                             "lan_esa", _esa, CONFIG_ESA);

        if (esa_ok) {

            memcpy(dp->esa, _esa, sizeof(_esa));

        }

#else

        // Read ESA from EEPROM

        DP_OUT(dp->base, DP_DCR, 0x49);  // Wordwide access

        DP_OUT(dp->base, DP_RBCH, 0);    // Remote byte count

        DP_OUT(dp->base, DP_RBCL, 0);

        DP_OUT(dp->base, DP_ISR, 0xFF);  // Clear any pending interrupts

        DP_OUT(dp->base, DP_IMR, 0x00);  // Mask all interrupts

        DP_OUT(dp->base, DP_RCR, 0x20);  // Monitor

        DP_OUT(dp->base, DP_TCR, 0x02);  // loopback

        DP_OUT(dp->base, DP_RBCH, 32);   // Remote byte count

        DP_OUT(dp->base, DP_RBCL, 0);

        DP_OUT(dp->base, DP_RSAL, 0);    // Remote address

        DP_OUT(dp->base, DP_RSAH, 0);

        DP_OUT(dp->base, DP_CR, DP_CR_START|DP_CR_RDMA);  // Read data

        for (i = 0;  i < 32;  i++) {

            cyg_uint16 _val;

            HAL_READ_UINT16(dp->data, _val);

            prom[i] = _val;

        }

        // Set ESA into chip

        DP_OUT(dp->base, DP_CR, DP_CR_NODMA | DP_CR_PAGE1);  // Select page 1

        for (i = 0; i < 6; i++) {

            DP_OUT(dp->base, DP_P1_PAR0+i, prom[i]);

        }

        DP_OUT(dp->base, DP_CR, DP_CR_NODMA | DP_CR_PAGE0);  // Select page 0

#endif

    }

}

#define CYGHWR_NS_DP83902A_PLF_INIT(dp) _frv400_eth_init(dp)

#ifndef CYGINT_IO_ETH_INT_SUPPORT_REQUIRED

static void

_frv400_eth_int_clear(dp83902a_priv_data_t *dp)

{

    cyg_drv_interrupt_acknowledge(dp->interrupt);

}

#define CYGHWR_NS_DP83902A_PLF_INT_CLEAR(dp) _frv400_eth_int_clear(dp)

#endif

#ifdef CYGPKG_DEVS_ETH_FRV400_ETH0

static dp83902a_priv_data_t dp83902a_eth0_priv_data = {

    base : (cyg_uint8*) 0,  //

    data : (cyg_uint8*) 0,  // Filled in at runtime

    reset: (cyg_uint8*) 0,  //

    interrupt: 0,           //

    tx_buf1: 0x40,          //

    tx_buf2: 0x48,          // Buffer layout - change with care

    rx_buf_start: 0x50,     //

    rx_buf_end: 0x80,       //

#ifdef CYGSEM_DEVS_ETH_FRV400_ETH0_SET_ESA

    esa : CYGDAT_DEVS_ETH_FRV400_ETH0_ESA,

    hardwired_esa : true,

#else

    hardwired_esa : false,

#endif

};

ETH_DRV_SC(dp83902a_sc,

           &dp83902a_eth0_priv_data, // Driver specific data

           CYGDAT_DEVS_ETH_FRV400_ETH0_NAME,

           dp83902a_start,

           dp83902a_stop,

           dp83902a_control,

           dp83902a_can_send,

           dp83902a_send,

           dp83902a_recv,

           dp83902a_deliver,     // "pseudoDSR" called from fast net thread

           dp83902a_poll,        // poll function, encapsulates ISR and DSR

           dp83902a_int_vector);

NETDEVTAB_ENTRY(dp83902a_netdev,

                "dp83902a_" CYGDAT_DEVS_ETH_FRV400_ETH0_NAME,

                dp83902a_init,

                &dp83902a_sc);

#endif // CYGPKG_DEVS_ETH_FRV400_ETH0

#endif // __WANT_DEVS

// --------------------------------------------------------------

// EOF devs_eth_frv400.inl