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Add in the SGMII configuration code. The DB120 doesn't use it, so I

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have no way to evaluate it.

Obtained from:	OpenWRT
This commit is contained in:
Adrian Chadd 2014-02-26 01:46:42 +00:00
parent c25a0a83ca
commit 810bdedd75
1 changed files with 55 additions and 2 deletions
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57
sys/dev/etherswitch/arswitch/arswitch_8327.c
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@ -406,6 +406,34 @@ ar8327_fetch_pdata_pad(struct arswitch_softc *sc,
return (1);
}
/*
* Fetch the SGMII configuration block from the boot hints.
*/
static int
ar8327_fetch_pdata_sgmii(struct arswitch_softc *sc,
struct ar8327_sgmii_cfg *scfg)
{
int val;
/* sgmii_ctrl */
val = 0;
if (resource_int_value(device_get_name(sc->sc_dev),
device_get_unit(sc->sc_dev),
"sgmii.ctrl", &val) != 0)
return (0);
scfg->sgmii_ctrl = val;
/* serdes_aen */
val = 0;
if (resource_int_value(device_get_name(sc->sc_dev),
device_get_unit(sc->sc_dev),
"sgmii.serdes_aen", &val) != 0)
return (0);
scfg->serdes_aen = val;
return (1);
}
/*
* Initialise the ar8327 specific hardware features from
* the hints provided in the boot environment.
@ -415,7 +443,8 @@ ar8327_init_pdata(struct arswitch_softc *sc)
{
struct ar8327_pad_cfg pc;
struct ar8327_port_cfg port_cfg;
uint32_t t;
struct ar8327_sgmii_cfg scfg;
uint32_t t, new_pos, pos;
/* Port 0 */
bzero(&port_cfg, sizeof(port_cfg));
@ -454,9 +483,33 @@ ar8327_init_pdata(struct arswitch_softc *sc)
t = ar8327_get_pad_cfg(&pc);
arswitch_writereg(sc->sc_dev, AR8327_REG_PAD6_MODE, t);
pos = arswitch_readreg(sc->sc_dev, AR8327_REG_POWER_ON_STRIP);
new_pos = pos;
/* XXX LED config */
/* XXX SGMII config */
/* SGMII config */
bzero(&scfg, sizeof(scfg));
if (ar8327_fetch_pdata_sgmii(sc, &scfg)) {
t = scfg.sgmii_ctrl;
if (sc->chip_rev == 1)
t |= AR8327_SGMII_CTRL_EN_PLL |
AR8327_SGMII_CTRL_EN_RX |
AR8327_SGMII_CTRL_EN_TX;
else
t &= ~(AR8327_SGMII_CTRL_EN_PLL |
AR8327_SGMII_CTRL_EN_RX |
AR8327_SGMII_CTRL_EN_TX);
arswitch_writereg(sc->sc_dev, AR8327_REG_SGMII_CTRL, t);
if (scfg.serdes_aen)
new_pos &= ~AR8327_POWER_ON_STRIP_SERDES_AEN;
else
new_pos |= AR8327_POWER_ON_STRIP_SERDES_AEN;
}
arswitch_writereg(sc->sc_dev, AR8327_REG_POWER_ON_STRIP, new_pos);
return (0);
}