mirror of
https://mirrors.bfsu.edu.cn/git/linux.git
synced 2024-11-30 23:54:04 +08:00
4c587a9826
Avoid flooding kernel log with warnings.
Fixes: 2c0756d306 ("MIPS: OCTEON: warn if deprecated link status is being used")
Signed-off-by: Ladislav Michl <ladis@linux-mips.org>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
349 lines
10 KiB
C
349 lines
10 KiB
C
/***********************license start***************
|
|
* Author: Cavium Networks
|
|
*
|
|
* Contact: support@caviumnetworks.com
|
|
* This file is part of the OCTEON SDK
|
|
*
|
|
* Copyright (c) 2003-2008 Cavium Networks
|
|
*
|
|
* This file is free software; you can redistribute it and/or modify
|
|
* it under the terms of the GNU General Public License, Version 2, as
|
|
* published by the Free Software Foundation.
|
|
*
|
|
* This file is distributed in the hope that it will be useful, but
|
|
* AS-IS and WITHOUT ANY WARRANTY; without even the implied warranty
|
|
* of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE, TITLE, or
|
|
* NONINFRINGEMENT. See the GNU General Public License for more
|
|
* details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License
|
|
* along with this file; if not, write to the Free Software
|
|
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
|
|
* or visit http://www.gnu.org/licenses/.
|
|
*
|
|
* This file may also be available under a different license from Cavium.
|
|
* Contact Cavium Networks for more information
|
|
***********************license end**************************************/
|
|
|
|
/*
|
|
*
|
|
* Helper functions to abstract board specific data about
|
|
* network ports from the rest of the cvmx-helper files.
|
|
*/
|
|
|
|
#include <linux/bug.h>
|
|
#include <asm/octeon/octeon.h>
|
|
#include <asm/octeon/cvmx-bootinfo.h>
|
|
|
|
#include <asm/octeon/cvmx-config.h>
|
|
|
|
#include <asm/octeon/cvmx-helper.h>
|
|
#include <asm/octeon/cvmx-helper-util.h>
|
|
#include <asm/octeon/cvmx-helper-board.h>
|
|
|
|
#include <asm/octeon/cvmx-gmxx-defs.h>
|
|
#include <asm/octeon/cvmx-asxx-defs.h>
|
|
|
|
/*
|
|
* Return the MII PHY address associated with the given IPD
|
|
* port. A result of -1 means there isn't a MII capable PHY
|
|
* connected to this port. On chips supporting multiple MII
|
|
* busses the bus number is encoded in bits <15:8>.
|
|
*
|
|
* This function must be modified for every new Octeon board.
|
|
* Internally it uses switch statements based on the cvmx_sysinfo
|
|
* data to determine board types and revisions. It replies on the
|
|
* fact that every Octeon board receives a unique board type
|
|
* enumeration from the bootloader.
|
|
*
|
|
* @ipd_port: Octeon IPD port to get the MII address for.
|
|
*
|
|
* Returns MII PHY address and bus number or -1.
|
|
*/
|
|
int cvmx_helper_board_get_mii_address(int ipd_port)
|
|
{
|
|
switch (cvmx_sysinfo_get()->board_type) {
|
|
case CVMX_BOARD_TYPE_SIM:
|
|
/* Simulator doesn't have MII */
|
|
return -1;
|
|
case CVMX_BOARD_TYPE_EBT3000:
|
|
case CVMX_BOARD_TYPE_EBT5800:
|
|
case CVMX_BOARD_TYPE_THUNDER:
|
|
case CVMX_BOARD_TYPE_NICPRO2:
|
|
/* Interface 0 is SPI4, interface 1 is RGMII */
|
|
if ((ipd_port >= 16) && (ipd_port < 20))
|
|
return ipd_port - 16;
|
|
else
|
|
return -1;
|
|
case CVMX_BOARD_TYPE_KODAMA:
|
|
case CVMX_BOARD_TYPE_EBH3100:
|
|
case CVMX_BOARD_TYPE_HIKARI:
|
|
case CVMX_BOARD_TYPE_CN3010_EVB_HS5:
|
|
case CVMX_BOARD_TYPE_CN3005_EVB_HS5:
|
|
case CVMX_BOARD_TYPE_CN3020_EVB_HS5:
|
|
/*
|
|
* Port 0 is WAN connected to a PHY, Port 1 is GMII
|
|
* connected to a switch
|
|
*/
|
|
if (ipd_port == 0)
|
|
return 4;
|
|
else if (ipd_port == 1)
|
|
return 9;
|
|
else
|
|
return -1;
|
|
case CVMX_BOARD_TYPE_NAC38:
|
|
/* Board has 8 RGMII ports PHYs are 0-7 */
|
|
if ((ipd_port >= 0) && (ipd_port < 4))
|
|
return ipd_port;
|
|
else if ((ipd_port >= 16) && (ipd_port < 20))
|
|
return ipd_port - 16 + 4;
|
|
else
|
|
return -1;
|
|
case CVMX_BOARD_TYPE_EBH3000:
|
|
/* Board has dual SPI4 and no PHYs */
|
|
return -1;
|
|
case CVMX_BOARD_TYPE_EBH5200:
|
|
case CVMX_BOARD_TYPE_EBH5201:
|
|
case CVMX_BOARD_TYPE_EBT5200:
|
|
/* Board has 2 management ports */
|
|
if ((ipd_port >= CVMX_HELPER_BOARD_MGMT_IPD_PORT) &&
|
|
(ipd_port < (CVMX_HELPER_BOARD_MGMT_IPD_PORT + 2)))
|
|
return ipd_port - CVMX_HELPER_BOARD_MGMT_IPD_PORT;
|
|
/*
|
|
* Board has 4 SGMII ports. The PHYs start right after the MII
|
|
* ports MII0 = 0, MII1 = 1, SGMII = 2-5.
|
|
*/
|
|
if ((ipd_port >= 0) && (ipd_port < 4))
|
|
return ipd_port + 2;
|
|
else
|
|
return -1;
|
|
case CVMX_BOARD_TYPE_EBH5600:
|
|
case CVMX_BOARD_TYPE_EBH5601:
|
|
case CVMX_BOARD_TYPE_EBH5610:
|
|
/* Board has 1 management port */
|
|
if (ipd_port == CVMX_HELPER_BOARD_MGMT_IPD_PORT)
|
|
return 0;
|
|
/*
|
|
* Board has 8 SGMII ports. 4 connect out, two connect
|
|
* to a switch, and 2 loop to each other
|
|
*/
|
|
if ((ipd_port >= 0) && (ipd_port < 4))
|
|
return ipd_port + 1;
|
|
else
|
|
return -1;
|
|
case CVMX_BOARD_TYPE_CUST_NB5:
|
|
if (ipd_port == 2)
|
|
return 4;
|
|
else
|
|
return -1;
|
|
case CVMX_BOARD_TYPE_NIC_XLE_4G:
|
|
/* Board has 4 SGMII ports. connected QLM3(interface 1) */
|
|
if ((ipd_port >= 16) && (ipd_port < 20))
|
|
return ipd_port - 16 + 1;
|
|
else
|
|
return -1;
|
|
case CVMX_BOARD_TYPE_NIC_XLE_10G:
|
|
case CVMX_BOARD_TYPE_NIC10E:
|
|
return -1;
|
|
case CVMX_BOARD_TYPE_NIC4E:
|
|
if (ipd_port >= 0 && ipd_port <= 3)
|
|
return (ipd_port + 0x1f) & 0x1f;
|
|
else
|
|
return -1;
|
|
case CVMX_BOARD_TYPE_NIC2E:
|
|
if (ipd_port >= 0 && ipd_port <= 1)
|
|
return ipd_port + 1;
|
|
else
|
|
return -1;
|
|
case CVMX_BOARD_TYPE_BBGW_REF:
|
|
/*
|
|
* No PHYs are connected to Octeon, everything is
|
|
* through switch.
|
|
*/
|
|
return -1;
|
|
|
|
case CVMX_BOARD_TYPE_CUST_WSX16:
|
|
if (ipd_port >= 0 && ipd_port <= 3)
|
|
return ipd_port;
|
|
else if (ipd_port >= 16 && ipd_port <= 19)
|
|
return ipd_port - 16 + 4;
|
|
else
|
|
return -1;
|
|
case CVMX_BOARD_TYPE_UBNT_E100:
|
|
if (ipd_port >= 0 && ipd_port <= 2)
|
|
return 7 - ipd_port;
|
|
else
|
|
return -1;
|
|
case CVMX_BOARD_TYPE_KONTRON_S1901:
|
|
if (ipd_port == CVMX_HELPER_BOARD_MGMT_IPD_PORT)
|
|
return 1;
|
|
else
|
|
return -1;
|
|
|
|
}
|
|
|
|
/* Some unknown board. Somebody forgot to update this function... */
|
|
cvmx_dprintf
|
|
("cvmx_helper_board_get_mii_address: Unknown board type %d\n",
|
|
cvmx_sysinfo_get()->board_type);
|
|
return -1;
|
|
}
|
|
|
|
/*
|
|
* This function is the board specific method of determining an
|
|
* ethernet ports link speed. Most Octeon boards have Marvell PHYs
|
|
* and are handled by the fall through case. This function must be
|
|
* updated for boards that don't have the normal Marvell PHYs.
|
|
*
|
|
* This function must be modified for every new Octeon board.
|
|
* Internally it uses switch statements based on the cvmx_sysinfo
|
|
* data to determine board types and revisions. It relies on the
|
|
* fact that every Octeon board receives a unique board type
|
|
* enumeration from the bootloader.
|
|
*
|
|
* @ipd_port: IPD input port associated with the port we want to get link
|
|
* status for.
|
|
*
|
|
* Returns The ports link status. If the link isn't fully resolved, this must
|
|
* return zero.
|
|
*/
|
|
union cvmx_helper_link_info __cvmx_helper_board_link_get(int ipd_port)
|
|
{
|
|
union cvmx_helper_link_info result;
|
|
|
|
WARN_ONCE(!octeon_is_simulation(),
|
|
"Using deprecated link status - please update your DT");
|
|
|
|
/* Unless we fix it later, all links are defaulted to down */
|
|
result.u64 = 0;
|
|
|
|
if (octeon_is_simulation()) {
|
|
/* The simulator gives you a simulated 1Gbps full duplex link */
|
|
result.s.link_up = 1;
|
|
result.s.full_duplex = 1;
|
|
result.s.speed = 1000;
|
|
return result;
|
|
}
|
|
|
|
if (OCTEON_IS_MODEL(OCTEON_CN3XXX)
|
|
|| OCTEON_IS_MODEL(OCTEON_CN58XX)
|
|
|| OCTEON_IS_MODEL(OCTEON_CN50XX)) {
|
|
/*
|
|
* We don't have a PHY address, so attempt to use
|
|
* in-band status. It is really important that boards
|
|
* not supporting in-band status never get
|
|
* here. Reading broken in-band status tends to do bad
|
|
* things
|
|
*/
|
|
union cvmx_gmxx_rxx_rx_inbnd inband_status;
|
|
int interface = cvmx_helper_get_interface_num(ipd_port);
|
|
int index = cvmx_helper_get_interface_index_num(ipd_port);
|
|
inband_status.u64 =
|
|
cvmx_read_csr(CVMX_GMXX_RXX_RX_INBND(index, interface));
|
|
|
|
result.s.link_up = inband_status.s.status;
|
|
result.s.full_duplex = inband_status.s.duplex;
|
|
switch (inband_status.s.speed) {
|
|
case 0: /* 10 Mbps */
|
|
result.s.speed = 10;
|
|
break;
|
|
case 1: /* 100 Mbps */
|
|
result.s.speed = 100;
|
|
break;
|
|
case 2: /* 1 Gbps */
|
|
result.s.speed = 1000;
|
|
break;
|
|
case 3: /* Illegal */
|
|
result.u64 = 0;
|
|
break;
|
|
}
|
|
} else {
|
|
/*
|
|
* We don't have a PHY address and we don't have
|
|
* in-band status. There is no way to determine the
|
|
* link speed. Return down assuming this port isn't
|
|
* wired
|
|
*/
|
|
result.u64 = 0;
|
|
}
|
|
|
|
/* If link is down, return all fields as zero. */
|
|
if (!result.s.link_up)
|
|
result.u64 = 0;
|
|
|
|
return result;
|
|
}
|
|
|
|
/*
|
|
* This function is called by cvmx_helper_interface_probe() after it
|
|
* determines the number of ports Octeon can support on a specific
|
|
* interface. This function is the per board location to override
|
|
* this value. It is called with the number of ports Octeon might
|
|
* support and should return the number of actual ports on the
|
|
* board.
|
|
*
|
|
* This function must be modified for every new Octeon board.
|
|
* Internally it uses switch statements based on the cvmx_sysinfo
|
|
* data to determine board types and revisions. It relies on the
|
|
* fact that every Octeon board receives a unique board type
|
|
* enumeration from the bootloader.
|
|
*
|
|
* @interface: Interface to probe
|
|
* @supported_ports:
|
|
* Number of ports Octeon supports.
|
|
*
|
|
* Returns Number of ports the actual board supports. Many times this will
|
|
* simple be "support_ports".
|
|
*/
|
|
int __cvmx_helper_board_interface_probe(int interface, int supported_ports)
|
|
{
|
|
switch (cvmx_sysinfo_get()->board_type) {
|
|
case CVMX_BOARD_TYPE_CN3005_EVB_HS5:
|
|
if (interface == 0)
|
|
return 2;
|
|
break;
|
|
case CVMX_BOARD_TYPE_BBGW_REF:
|
|
if (interface == 0)
|
|
return 2;
|
|
break;
|
|
case CVMX_BOARD_TYPE_NIC_XLE_4G:
|
|
if (interface == 0)
|
|
return 0;
|
|
break;
|
|
/* The 2nd interface on the EBH5600 is connected to the Marvel switch,
|
|
which we don't support. Disable ports connected to it */
|
|
case CVMX_BOARD_TYPE_EBH5600:
|
|
if (interface == 1)
|
|
return 0;
|
|
break;
|
|
}
|
|
return supported_ports;
|
|
}
|
|
|
|
/*
|
|
* Get the clock type used for the USB block based on board type.
|
|
* Used by the USB code for auto configuration of clock type.
|
|
*
|
|
* Return USB clock type enumeration
|
|
*/
|
|
enum cvmx_helper_board_usb_clock_types __cvmx_helper_board_usb_get_clock_type(void)
|
|
{
|
|
switch (cvmx_sysinfo_get()->board_type) {
|
|
case CVMX_BOARD_TYPE_BBGW_REF:
|
|
case CVMX_BOARD_TYPE_LANAI2_A:
|
|
case CVMX_BOARD_TYPE_LANAI2_U:
|
|
case CVMX_BOARD_TYPE_LANAI2_G:
|
|
case CVMX_BOARD_TYPE_NIC10E_66:
|
|
case CVMX_BOARD_TYPE_UBNT_E100:
|
|
return USB_CLOCK_TYPE_CRYSTAL_12;
|
|
case CVMX_BOARD_TYPE_NIC10E:
|
|
return USB_CLOCK_TYPE_REF_12;
|
|
default:
|
|
break;
|
|
}
|
|
/* Most boards except NIC10e use a 12MHz crystal */
|
|
if (OCTEON_IS_OCTEON2())
|
|
return USB_CLOCK_TYPE_CRYSTAL_12;
|
|
return USB_CLOCK_TYPE_REF_48;
|
|
}
|