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/* $Id$ */
#include <rtems.h>
#include <bsp/early_enet_link_status.h>
#include <rtems/bspIo.h>
/* T. Straumann, 2005; see ../../LICENSE */
static const char *ename = ": rtems_em_early_check_link_status() - ";
int
BSP_early_check_link_status(int unit, rtems_bsdnet_early_link_check_ops *ops)
{
int status;
unit--;
if ( unit < 0 || unit >= ops->num_slots ) {
printk("%s%sinvalid unit # %i (not in %i..%i)\n",
ops->name, ename, unit+1, 1, ops->num_slots);
return -1;
}
if ( !ops->initialized ) {
if ( ops->init(unit) ) {
printk("%s%sFAILURE to init hardware\n",ops->name, ename);
return -1;
}
/* Start autoneg */
if ( ops->write_phy(unit, 0, 0x1200) ) {
printk("%s%sFAILURE to start autonegotiation\n",ops->name, ename);
return -1;
}
/* Dont wait here; the caller can do this on various interfaces
* and wait herself.
*/
ops->initialized = 1;
}
if ( (status = ops->read_phy(unit, 1)) < 0 ) {
printk("%s%sFAILURE to read phy status\n", ops->name, ename);
}
return status;
}
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