Initial commit of AR9340 switch SoC support.
This is just the chip initialisation code (for now.) It's not linked into the main build as it requires a bunch of other code to be tidied up and committed. But it indeed does function as advertised. Tested: * AR9344 SoC
This commit is contained in:
Adrian Chadd
parent
0348c9f480
commit
fc80af8857
203
sys/dev/etherswitch/arswitch/arswitch_9340.c
Normal file
203
sys/dev/etherswitch/arswitch/arswitch_9340.c
Normal file
@ -0,0 +1,203 @@
|
||||
/*-
|
||||
* Copyright (c) 2011-2012 Stefan Bethke.
|
||||
* Copyright (c) 2013 Adrian Chadd <adrian@FreeBSD.org>
|
||||
* All rights reserved.
|
||||
*
|
||||
* Redistribution and use in source and binary forms, with or without
|
||||
* modification, are permitted provided that the following conditions
|
||||
* are met:
|
||||
* 1. Redistributions of source code must retain the above copyright
|
||||
* notice, this list of conditions and the following disclaimer.
|
||||
* 2. Redistributions in binary form must reproduce the above copyright
|
||||
* notice, this list of conditions and the following disclaimer in the
|
||||
* documentation and/or other materials provided with the distribution.
|
||||
*
|
||||
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
|
||||
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
||||
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
||||
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
|
||||
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
||||
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
|
||||
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
|
||||
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
|
||||
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
|
||||
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
|
||||
* SUCH DAMAGE.
|
||||
*
|
||||
* $FreeBSD$
|
||||
*/
|
||||
|
||||
#include <sys/param.h>
|
||||
#include <sys/bus.h>
|
||||
#include <sys/errno.h>
|
||||
#include <sys/kernel.h>
|
||||
#include <sys/module.h>
|
||||
#include <sys/socket.h>
|
||||
#include <sys/sockio.h>
|
||||
#include <sys/sysctl.h>
|
||||
#include <sys/systm.h>
|
||||
|
||||
#include <net/if.h>
|
||||
#include <net/if_arp.h>
|
||||
#include <net/ethernet.h>
|
||||
#include <net/if_dl.h>
|
||||
#include <net/if_media.h>
|
||||
#include <net/if_types.h>
|
||||
|
||||
#include <machine/bus.h>
|
||||
#include <dev/iicbus/iic.h>
|
||||
#include <dev/iicbus/iiconf.h>
|
||||
#include <dev/iicbus/iicbus.h>
|
||||
#include <dev/mii/mii.h>
|
||||
#include <dev/mii/miivar.h>
|
||||
#include <dev/etherswitch/mdio.h>
|
||||
|
||||
#include <dev/etherswitch/etherswitch.h>
|
||||
|
||||
#include <dev/etherswitch/arswitch/arswitchreg.h>
|
||||
#include <dev/etherswitch/arswitch/arswitchvar.h>
|
||||
#include <dev/etherswitch/arswitch/arswitch_reg.h>
|
||||
#include <dev/etherswitch/arswitch/arswitch_phy.h> /* XXX for probe */
|
||||
#include <dev/etherswitch/arswitch/arswitch_9340.h>
|
||||
|
||||
#include "mdio_if.h"
|
||||
#include "miibus_if.h"
|
||||
#include "etherswitch_if.h"
|
||||
|
||||
/*
|
||||
* AR9340 specific functions
|
||||
*/
|
||||
static int
|
||||
ar9340_hw_setup(struct arswitch_softc *sc)
|
||||
{
|
||||
|
||||
return (0);
|
||||
}
|
||||
|
||||
/*
|
||||
* Initialise other global values for the AR9340.
|
||||
*/
|
||||
static int
|
||||
ar9340_hw_global_setup(struct arswitch_softc *sc)
|
||||
{
|
||||
|
||||
/* Enable CPU port; disable mirror port */
|
||||
arswitch_writereg(sc->sc_dev, AR8X16_REG_CPU_PORT,
|
||||
AR8X16_CPU_PORT_EN | AR8X16_CPU_MIRROR_DIS);
|
||||
|
||||
/* Setup TAG priority mapping */
|
||||
arswitch_writereg(sc->sc_dev, AR8X16_REG_TAG_PRIO, 0xfa50);
|
||||
|
||||
/* Enable aging, MAC replacing */
|
||||
arswitch_writereg(sc->sc_dev, AR934X_REG_AT_CTRL,
|
||||
0x2b /* 5 min age time */ |
|
||||
AR934X_AT_CTRL_AGE_EN |
|
||||
AR934X_AT_CTRL_LEARN_CHANGE);
|
||||
|
||||
/* Enable ARP frame acknowledge */
|
||||
arswitch_modifyreg(sc->sc_dev, AR934X_REG_QM_CTRL,
|
||||
AR934X_QM_CTRL_ARP_EN, AR934X_QM_CTRL_ARP_EN);
|
||||
|
||||
/* Enable Broadcast frames transmitted to the CPU */
|
||||
arswitch_modifyreg(sc->sc_dev, AR934X_REG_FLOOD_MASK,
|
||||
AR934X_FLOOD_MASK_BC_DP(0),
|
||||
AR934X_FLOOD_MASK_BC_DP(0));
|
||||
arswitch_modifyreg(sc->sc_dev, AR934X_REG_FLOOD_MASK,
|
||||
AR934X_FLOOD_MASK_MC_DP(0),
|
||||
AR934X_FLOOD_MASK_MC_DP(0));
|
||||
|
||||
/* Enable MIB counters */
|
||||
arswitch_modifyreg(sc->sc_dev, AR8X16_REG_MIB_FUNC0,
|
||||
AR934X_MIB_ENABLE, AR934X_MIB_ENABLE);
|
||||
|
||||
/* Setup MTU */
|
||||
arswitch_modifyreg(sc->sc_dev, AR8X16_REG_GLOBAL_CTRL,
|
||||
AR7240_GLOBAL_CTRL_MTU_MASK,
|
||||
SM(1536, AR7240_GLOBAL_CTRL_MTU_MASK));
|
||||
|
||||
/* Service Tag */
|
||||
arswitch_modifyreg(sc->sc_dev, AR8X16_REG_SERVICE_TAG,
|
||||
AR8X16_SERVICE_TAG_MASK, 0);
|
||||
|
||||
/* Settle time */
|
||||
DELAY(1000);
|
||||
|
||||
/*
|
||||
* Check PHY mode bits.
|
||||
*
|
||||
* This dictates whether the connected port is to be wired
|
||||
* up via GMII or MII. I'm not sure why - this is an internal
|
||||
* wiring issue.
|
||||
*/
|
||||
if (sc->is_gmii) {
|
||||
device_printf(sc->sc_dev, "%s: GMII\n", __func__);
|
||||
arswitch_modifyreg(sc->sc_dev, AR934X_REG_OPER_MODE0,
|
||||
AR934X_OPER_MODE0_MAC_GMII_EN,
|
||||
AR934X_OPER_MODE0_MAC_GMII_EN);
|
||||
} else if (sc->is_mii) {
|
||||
device_printf(sc->sc_dev, "%s: MII\n", __func__);
|
||||
arswitch_modifyreg(sc->sc_dev, AR934X_REG_OPER_MODE0,
|
||||
AR934X_OPER_MODE0_PHY_MII_EN,
|
||||
AR934X_OPER_MODE0_PHY_MII_EN);
|
||||
} else {
|
||||
device_printf(sc->sc_dev, "%s: need is_gmii or is_mii set\n",
|
||||
__func__);
|
||||
return (ENXIO);
|
||||
}
|
||||
|
||||
/*
|
||||
* Whether to connect PHY 4 via MII (ie a switch port) or
|
||||
* treat it as a CPU port.
|
||||
*/
|
||||
if (sc->phy4cpu) {
|
||||
device_printf(sc->sc_dev, "%s: PHY4 - CPU\n", __func__);
|
||||
arswitch_modifyreg(sc->sc_dev, AR934X_REG_OPER_MODE1,
|
||||
AR934X_REG_OPER_MODE1_PHY4_MII_EN,
|
||||
AR934X_REG_OPER_MODE1_PHY4_MII_EN);
|
||||
sc->info.es_nports = 4;
|
||||
} else {
|
||||
device_printf(sc->sc_dev, "%s: PHY4 - Local\n", __func__);
|
||||
sc->info.es_nports = 5;
|
||||
}
|
||||
|
||||
/* Settle time */
|
||||
DELAY(1000);
|
||||
|
||||
return (0);
|
||||
}
|
||||
|
||||
/*
|
||||
* The AR9340 switch probes (almost) the same as the AR7240 on-chip switch.
|
||||
*
|
||||
* However, the support is slightly different.
|
||||
*
|
||||
* So instead of checking the PHY revision or mask register contents,
|
||||
* we simply fall back to a hint check.
|
||||
*/
|
||||
int
|
||||
ar9340_probe(device_t dev)
|
||||
{
|
||||
int is_9340 = 0;
|
||||
|
||||
if (resource_int_value(device_get_name(dev), device_get_unit(dev),
|
||||
"is_9340", &is_9340) != 0)
|
||||
return (ENXIO);
|
||||
|
||||
if (is_9340 == 0)
|
||||
return (ENXIO);
|
||||
|
||||
return (0);
|
||||
}
|
||||
|
||||
void
|
||||
ar9340_attach(struct arswitch_softc *sc)
|
||||
{
|
||||
|
||||
sc->hal.arswitch_hw_setup = ar9340_hw_setup;
|
||||
sc->hal.arswitch_hw_global_setup = ar9340_hw_global_setup;
|
||||
|
||||
/* Set the switch vlan capabilities. */
|
||||
sc->info.es_vlan_caps = ETHERSWITCH_VLAN_DOT1Q |
|
||||
ETHERSWITCH_VLAN_PORT | ETHERSWITCH_VLAN_DOUBLE_TAG;
|
||||
sc->info.es_nvlangroups = AR8X16_MAX_VLANS;
|
||||
}
|
||||
35
sys/dev/etherswitch/arswitch/arswitch_9340.h
Normal file
35
sys/dev/etherswitch/arswitch/arswitch_9340.h
Normal file
@ -0,0 +1,35 @@
|
||||
/*-
|
||||
* Copyright (c) 2011-2012 Stefan Bethke.
|
||||
* Copyright (c) 2031 Adrian Chadd <adrian@FreeBSD.org>
|
||||
* All rights reserved.
|
||||
*
|
||||
* Redistribution and use in source and binary forms, with or without
|
||||
* modification, are permitted provided that the following conditions
|
||||
* are met:
|
||||
* 1. Redistributions of source code must retain the above copyright
|
||||
* notice, this list of conditions and the following disclaimer.
|
||||
* 2. Redistributions in binary form must reproduce the above copyright
|
||||
* notice, this list of conditions and the following disclaimer in the
|
||||
* documentation and/or other materials provided with the distribution.
|
||||
*
|
||||
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
|
||||
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
||||
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
||||
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
|
||||
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
||||
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
|
||||
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
|
||||
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
|
||||
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
|
||||
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
|
||||
* SUCH DAMAGE.
|
||||
*
|
||||
* $FreeBSD$
|
||||
*/
|
||||
#ifndef __ARSWITCH_9340_H__
|
||||
#define __ARSWITCH_9340_H__
|
||||
|
||||
extern int ar9340_probe(device_t dev);
|
||||
extern void ar9340_attach(struct arswitch_softc *sc);
|
||||
|
||||
#endif /* __ARSWITCH_9340_H__ */
|
||||
Loading…
Reference in New Issue
Block a user