104 lines
4.0 KiB
C
104 lines
4.0 KiB
C
/****************************************************************************
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* board/up_network.c
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*
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* Copyright (C) 2007, 2009 Gregory Nutt. All rights reserved.
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* Author: Gregory Nutt <spudmonkey@racsa.co.cr>
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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* 3. Neither the name Gregory Nutt nor the names of its contributors may be
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* used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
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* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
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* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
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* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
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* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
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* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
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* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*
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****************************************************************************/
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/****************************************************************************
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* Included Files
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****************************************************************************/
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#include <nuttx/config.h>
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#if defined(CONFIG_NET) && defined(CONFIG_NET_DM90x0)
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#include <debug.h>
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#include <arch/board/board.h>
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#include "up_arch.h"
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#include "up_internal.h"
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#include "dm320_memorymap.h"
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#include "dm320_emif.h"
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#include "dm320_gio.h"
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extern void dm9x_initialize(void);
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/****************************************************************************
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* Definitions
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****************************************************************************/
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/****************************************************************************
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* Private Data
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****************************************************************************/
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/****************************************************************************
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* Private Functions
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****************************************************************************/
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/****************************************************************************
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* Public Functions
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****************************************************************************/
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/****************************************************************************
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* Name: up_netinitialize
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****************************************************************************/
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void up_netinitialize(void)
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{
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/* CS4 is used for DM9000A Ethernet. Interrupt is provided via GIO6
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* which must be configured to interrupt on the rising edge. Bus
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* width is 16-bits.
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*/
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nlldbg("CS4CTRL1=%04x CS4CTRL2=%04x\n",
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getreg16(DM320_EMIF_CS4CTRL1), getreg16(DM320_EMIF_CS4CTRL2));
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/* It is assumed that bootloader has already configured CS4. Here,
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* we will only make certain that the GIO is properly configured
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*/
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GIO_INPUT(GIO_DM9000A_INT);
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GIO_NONINVERTED(GIO_DM9000A_INT);
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GIO_INTERRUPT(GIO_DM9000A_INT);
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GIO_RISINGEDGE(GIO_DM9000A_INT);
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nlldbg("GIO DIR0=%04x INV0=%04x IRQPORT=%04x IRQEDGE=%04x\n",
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getreg16(DM320_GIO_DIR0), getreg16(DM320_GIO_INV0),
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getreg16(DM320_GIO_IRQPORT), getreg16(DM320_GIO_IRQEDGE));
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/* Then initialize the driver */
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dm9x_initialize();
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}
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#endif /* CONFIG_NET && CONFIG_NET_DM90x0 */
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