cvmx_helper_link_info_t cvmx_agl_link_get(int port)
{
cvmx_helper_link_info_t result;
int interface, port_index;
/* For simulator also set the link up */
if (cvmx_sysinfo_get()->board_type == CVMX_BOARD_TYPE_SIM) {
result.u64 = 0;
result.s.full_duplex = 1;
result.s.link_up = 1;
result.s.speed = 100;
return result;
}
/* Fake IPD port is used on some older models. */
if (port < 0)
return __cvmx_helper_board_link_get(port);
/* Simulator does not have PHY, use some defaults. */
interface = cvmx_helper_get_interface_num(port);
port_index = cvmx_helper_get_interface_index_num(port);
if (cvmx_helper_get_port_force_link_up(interface, port_index)) {
result.u64 = 0;
result.s.full_duplex = 1;
result.s.link_up = 1;
result.s.speed = 1000;
return result;
}
return __cvmx_helper_board_link_get(port);
}
/**
* Return the link state of an IPD/PKO port as returned by
* auto negotiation. The result of this function may not match
* Octeon's link config if auto negotiation has changed since
* the last call to cvmx_helper_link_set().
*
* @ipd_port: IPD/PKO port to query
*
* Returns Link state
*/
cvmx_helper_link_info_t __cvmx_helper_rgmii_link_get(int ipd_port)
{
int interface = cvmx_helper_get_interface_num(ipd_port);
int index = cvmx_helper_get_interface_index_num(ipd_port);
union cvmx_asxx_prt_loop asxx_prt_loop;
asxx_prt_loop.u64 = cvmx_read_csr(CVMX_ASXX_PRT_LOOP(interface));
if (asxx_prt_loop.s.int_loop & (1 << index)) {
/* Force 1Gbps full duplex on internal loopback */
cvmx_helper_link_info_t result;
result.u64 = 0;
result.s.full_duplex = 1;
result.s.link_up = 1;
result.s.speed = 1000;
return result;
} else
return __cvmx_helper_board_link_get(ipd_port);
}
