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Select the right transceiver type when configuring the driver. Change the

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timing for the mii code a bit. From Robert Elz / the FreeBSD xl driver.
This commit is contained in:
fvdl 1999-09-01 21:03:02 +00:00
parent cfbc8a82fb
commit 5c875f66d0
2 changed files with 55 additions and 15 deletions
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66
sys/dev/ic/elinkxl.c
View File

@ -1,4 +1,4 @@
/* $NetBSD: elinkxl.c,v 1.13 1999/05/18 23:52:55 thorpej Exp $ */
/* $NetBSD: elinkxl.c,v 1.14 1999/09/01 21:03:02 fvdl Exp $ */
/*-
* Copyright (c) 1998 The NetBSD Foundation, Inc.
@ -381,7 +381,22 @@ ex_config(sc)
if (sc->ex_conf & EX_CONF_MII) {
/*
* Find PHY, extract media information from it.
* First, select the right transceiver.
*/
u_int32_t icfg;
GO_WINDOW(3);
icfg = bus_space_read_4(iot, ioh, ELINK_W3_INTERNAL_CONFIG);
icfg &= ~(CONFIG_XCVR_SEL << 16);
if (val & (ELINK_MEDIACAP_MII | ELINK_MEDIACAP_100BASET4))
icfg |= ELINKMEDIA_MII << (CONFIG_XCVR_SEL_SHIFT + 16);
if (val & ELINK_MEDIACAP_100BASETX)
icfg |= ELINKMEDIA_AUTO << (CONFIG_XCVR_SEL_SHIFT + 16);
if (val & ELINK_MEDIACAP_100BASEFX)
icfg |= ELINKMEDIA_100BASE_FX
<< (CONFIG_XCVR_SEL_SHIFT + 16);
bus_space_write_4(iot, ioh, ELINK_W3_INTERNAL_CONFIG, icfg);
mii_phy_probe(&sc->sc_dev, &sc->ex_mii, 0xffffffff);
if (LIST_FIRST(&sc->ex_mii.mii_phys) == NULL) {
ifmedia_add(&sc->ex_mii.mii_media, IFM_ETHER|IFM_NONE,
@ -1710,33 +1725,46 @@ ex_mii_readreg(v, phy, reg)
bus_space_write_2(sc->sc_iot, sc->sc_ioh, ELINK_W4_PHYSMGMT, 0);
ex_mii_clrbit(sc, ELINK_PHY_DIR);
ex_mii_setbit(sc, ELINK_PHY_DIR);
delay(1);
ex_mii_setbit(sc, ELINK_PHY_DIR|ELINK_PHY_DATA);
delay(1);
for (i = 0; i < 32; i++) {
ex_mii_clrbit(sc, ELINK_PHY_CLK);
ex_mii_setbit(sc, ELINK_PHY_CLK);
delay(1);
ex_mii_clrbit(sc, ELINK_PHY_CLK);
delay(1);
}
ex_mii_writebits(sc, MII_COMMAND_START, 2);
ex_mii_writebits(sc, MII_COMMAND_READ, 2);
ex_mii_writebits(sc, phy, 5);
ex_mii_writebits(sc, reg, 5);
ex_mii_clrbit(sc, ELINK_PHY_DIR);
ex_mii_clrbit(sc, ELINK_PHY_CLK);
ex_mii_clrbit(sc, ELINK_PHY_DATA|ELINK_PHY_CLK);
delay(1);
ex_mii_setbit(sc, ELINK_PHY_CLK);
ex_mii_clrbit(sc, ELINK_PHY_CLK);
delay(1);
ex_mii_clrbit(sc, ELINK_PHY_DIR|ELINK_PHY_CLK);
delay(1);
ex_mii_setbit(sc, ELINK_PHY_CLK);
delay(1);
err = ex_mii_readbit(sc, ELINK_PHY_DATA);
ex_mii_setbit(sc, ELINK_PHY_CLK);
for (i = 0; i < 16; i++) {
val <<= 1;
ex_mii_clrbit(sc, ELINK_PHY_CLK);
delay(1);
if (err == 0 && ex_mii_readbit(sc, ELINK_PHY_DATA))
val |= 1;
ex_mii_setbit(sc, ELINK_PHY_CLK);
delay(1);
}
ex_mii_clrbit(sc, ELINK_PHY_CLK);
delay(1);
ex_mii_setbit(sc, ELINK_PHY_CLK);
delay(1);
GO_WINDOW(1);
@ -1752,15 +1780,17 @@ ex_mii_writebits(sc, data, nbits)
int i;
ex_mii_setbit(sc, ELINK_PHY_DIR);
ex_mii_clrbit(sc, ELINK_PHY_CLK);
for (i = 1 << (nbits -1); i; i = i >> 1) {
ex_mii_clrbit(sc, ELINK_PHY_CLK);
ex_mii_readbit(sc, ELINK_PHY_CLK);
if (data & i)
ex_mii_setbit(sc, ELINK_PHY_DATA);
else
ex_mii_clrbit(sc, ELINK_PHY_DATA);
delay(1);
ex_mii_clrbit(sc, ELINK_PHY_CLK);
delay(1);
ex_mii_setbit(sc, ELINK_PHY_CLK);
ex_mii_readbit(sc, ELINK_PHY_CLK);
}
}
@ -1776,10 +1806,15 @@ ex_mii_writereg(v, phy, reg, data)
GO_WINDOW(4);
ex_mii_clrbit(sc, ELINK_PHY_DIR);
ex_mii_setbit(sc, ELINK_PHY_DIR);
delay(1);
ex_mii_setbit(sc, ELINK_PHY_DIR|ELINK_PHY_DATA);
delay(1);
for (i = 0; i < 32; i++) {
ex_mii_clrbit(sc, ELINK_PHY_CLK);
ex_mii_setbit(sc, ELINK_PHY_CLK);
ex_mii_setbit(sc, ELINK_PHY_CLK);
delay(1);
ex_mii_clrbit(sc, ELINK_PHY_CLK);
delay(1);
}
ex_mii_writebits(sc, MII_COMMAND_START, 2);
ex_mii_writebits(sc, MII_COMMAND_WRITE, 2);
@ -1788,8 +1823,11 @@ ex_mii_writereg(v, phy, reg, data)
ex_mii_writebits(sc, MII_COMMAND_ACK, 2);
ex_mii_writebits(sc, data, 16);
ex_mii_clrbit(sc, ELINK_PHY_CLK);
ex_mii_setbit(sc, ELINK_PHY_CLK);
delay(1);
ex_mii_clrbit(sc, ELINK_PHY_CLK);
delay(1);
ex_mii_clrbit(sc, ELINK_PHY_DIR);
GO_WINDOW(1);
}

4
sys/dev/ic/elinkxlreg.h
View File

@ -1,4 +1,4 @@
/* $NetBSD: elinkxlreg.h,v 1.1 1998/11/04 00:29:29 fvdl Exp $ */
/* $NetBSD: elinkxlreg.h,v 1.2 1999/09/01 21:03:03 fvdl Exp $ */
/*-
* Copyright (c) 1998 The NetBSD Foundation, Inc.
@ -177,6 +177,8 @@
#define CONFIG_XCVR_SEL (u_int16_t) 0x00f0
#define CONFIG_XCVR_SEL_SHIFT 4
#define ELINKMEDIA_AUTO 8
#define CONFIG_AUTOSEL (u_int16_t) 0x0100
#define CONFIG_AUTOSEL_SHIFT 8