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

//

//      pcitest.c

//

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

//####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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// this file might be covered by the GNU General Public License.

//

// Alternative licenses for eCos may be arranged by contacting Red Hat, Inc.

// at http://sources.redhat.com/ecos/ecos-license/

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

//####ECOSGPLCOPYRIGHTEND####

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

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

//

// Author(s):   Scott Coulter, Jeff Frazier, Eric Breeden

// Contributors: Mark Salter

// Date:        2001-01-25

// Purpose:     

// Description: 

//

//####DESCRIPTIONEND####

//

//===========================================================================*/

#include <redboot.h>

#include <cyg/io/pci.h>

#include "test_menu.h"

extern int memTest (CYG_ADDRWORD startAddr, CYG_ADDRWORD endAddr);

//

// PCI Bus Test

//

// This test assumes that an IQ80310 eval board

// is installed in the secondary PCI slot. This

// second board must be configured with 32 Meg

// of SDRAM minimum.

//

//

void

pci_test (MENU_ARG arg)

{

    cyg_pci_device dev_info;

    cyg_pci_device_id devid;

    cyg_uint32 mem_size;

    cyg_uint16 cmd;

    cyg_uint32 *start, *end;

    int bus;

    // First, look for iq80310 at private and public addresses

    bus = (*ATU_PCIXSR >> 8) & 0xff;

    if (bus == 0xff)

        bus = 0;

    devid = CYG_PCI_DEV_MAKE_ID(bus, CYG_PCI_DEV_MAKE_DEVFN(__SLOT_PUB, 1));

    cyg_pci_get_device_info(devid, &dev_info);

    if (dev_info.vendor != 0x8086 || dev_info.device != 0x530d) {

        devid = CYG_PCI_DEV_MAKE_ID(bus, CYG_PCI_DEV_MAKE_DEVFN(__SLOT_PRIV, 1));

        cyg_pci_get_device_info(devid, &dev_info);

        if (dev_info.vendor != 0x8086 || dev_info.device != 0x530d) {

            diag_printf("No iq80310 in PCI slot.\n");

            return;

        }

    }

    cyg_pci_set_memory_base(HAL_PCI_ALLOC_BASE_MEMORY + 0x2000000);

    cyg_pci_set_io_base(HAL_PCI_ALLOC_BASE_IO);

    cyg_pci_configure_device(&dev_info);

    diag_printf ("iq80310 DRAM starts at PCI address %p, CPU address %p\n",

                 dev_info.base_address[0] & CYG_PRI_CFG_BAR_MEM_MASK,

                 dev_info.base_map[0]);

    // enable memory space and bus master

    cyg_pci_read_config_uint16(dev_info.devid, CYG_PCI_CFG_COMMAND, &cmd);

    cmd |= (CYG_PCI_CFG_COMMAND_MEMORY | CYG_PCI_CFG_COMMAND_MASTER);

    cyg_pci_write_config_uint16(dev_info.devid, CYG_PCI_CFG_COMMAND, cmd);

    start = (cyg_uint32 *)dev_info.base_map[0];

    // skip over 1st Mbyte of target DRAM

    start += 0x100000/sizeof(*start);

    // 32MB test

    mem_size = 0x2000000 - 0x100000;

    end = start + mem_size/sizeof(*start) - 1;

    diag_printf("Testing memory from %p to %p.\n", start, end);

    memTest((CYG_ADDRWORD)start, (CYG_ADDRWORD)end);

    diag_printf ("Memory test done.\n");

}