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|
/*===============================================================*\
| Project: RTEMS support for MPC83xx |
+-----------------------------------------------------------------+
| Copyright (c) 2007 |
| Embedded Brains GmbH |
| Obere Lagerstr. 30 |
| D-82178 Puchheim |
| Germany |
| rtems@embedded-brains.de |
+-----------------------------------------------------------------+
| The license and distribution terms for this file may be |
| found in the file LICENSE in this distribution or at |
| |
| http://www.rtems.com/license/LICENSE. |
| |
+-----------------------------------------------------------------+
| this file contains the board specific portion |
| of the network interface driver |
\*===============================================================*/
#include <rtems.h>
#include <rtems/rtems_bsdnet.h>
#include <bsp.h>
#include <mpc83xx/tsec.h>
#include <mpc83xx/mpc83xx.h>
#include <stdio.h>
#define TSEC_BITRATE 1000
#define TSEC_IFMODE_RGMII 0
#define TSEC_IFMODE_GMII 1
#define TSEC_IFMODE TSEC_IFMODE_RGMII
/*=========================================================================*\
| Function: |
\*-------------------------------------------------------------------------*/
int BSP_tsec_attach
(
/*-------------------------------------------------------------------------*\
| Purpose: |
| attach or detach the driver |
+---------------------------------------------------------------------------+
| Input Parameters: |
\*-------------------------------------------------------------------------*/
struct rtems_bsdnet_ifconfig *config, /* interface configuration */
int attaching /* 0 = detach, else attach */
)
/*-------------------------------------------------------------------------*\
| Return Value: |
| 1, if success |
\*=========================================================================*/
{
char hw_addr[6] = {0x00,0x04,0x9F,0x00,0x2f,0xcb};
int unitNumber;
char *unitName;
/*
* Parse driver name
*/
if((unitNumber = rtems_bsdnet_parse_driver_name(config, &unitName)) < 0) {
return 0;
}
if (attaching) {
if (unitNumber == 1) {
/*
* init system I/O configuration registers
* to ensure proper pin functions
*/
mpc83xx.syscon.sicrh = mpc83xx.syscon.sicrh & ~0x1f800000;
/*
* init port registers (GPIO2DIR) for TSEC1
*/
mpc83xx.gpio[1].gpdir = ((mpc83xx.gpio[1].gpdir & ~0x00000FFF)
| 0x0000001f);
}
}
if (unitNumber == 2) {
/*
* init port registers (GPIO2DIR) for TSEC2
*/
mpc83xx.gpio[0].gpdir = ((mpc83xx.gpio[0].gpdir & ~0x000FFFFF)
| 0x00087881);
}
/*
* add MAC address into config->hardware_adderss
* FIXME: get the real address we need
*/
if (config->hardware_address == NULL) {
config->hardware_address = hw_addr;
}
/*
* set interrupt number for given interface
*/
config->irno = ((unitNumber == 1)
? BSP_IPIC_IRQ_TSEC1_TX
: BSP_IPIC_IRQ_TSEC2_TX);
/*
* call attach function of board independent driver
*/
if (0 == rtems_mpc83xx_tsec_driver_attach_detach(config,attaching)) {
return 0;
}
return 1;
}
|
