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o Correct the condition in reset procedure

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o Setup interrupt hander after reset, not before

This fixes operation on ODROID-C1 (Amlogic S805)

Submitted by:	John Wehle <john@feith.com>
This commit is contained in:
Ruslan Bukin 2015-02-13 11:00:13 +00:00
parent 5c5b28d0d7
commit d8e5258da2
1 changed files with 16 additions and 15 deletions
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31
sys/dev/dwc/if_dwc.c
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@ -84,6 +84,7 @@ __FBSDID("$FreeBSD$");
#define WRITE4(_sc, _reg, _val) \
bus_write_4((_sc)->res[0], _reg, _val)
#define MAC_RESET_TIMEOUT 100
#define WATCHDOG_TIMEOUT_SECS 5
#define STATS_HARVEST_INTERVAL 2
#define MII_CLK_VAL 2
@ -1103,19 +1104,6 @@ dwc_attach(device_t dev)
sc->bst = rman_get_bustag(sc->res[0]);
sc->bsh = rman_get_bushandle(sc->res[0]);
mtx_init(&sc->mtx, device_get_nameunit(sc->dev),
MTX_NETWORK_LOCK, MTX_DEF);
callout_init_mtx(&sc->dwc_callout, &sc->mtx, 0);
/* Setup interrupt handler. */
error = bus_setup_intr(dev, sc->res[1], INTR_TYPE_NET | INTR_MPSAFE,
NULL, dwc_intr, sc, &sc->intr_cookie);
if (error != 0) {
device_printf(dev, "could not setup interrupt handler.\n");
return (ENXIO);
}
/* Read MAC before reset */
if (dwc_get_hwaddr(sc, macaddr)) {
device_printf(sc->dev, "can't get mac\n");
@ -1127,12 +1115,12 @@ dwc_attach(device_t dev)
reg |= (BUS_MODE_SWR);
WRITE4(sc, BUS_MODE, reg);
for (i = 0; i < 100; i++) {
for (i = 0; i < MAC_RESET_TIMEOUT; i++) {
if ((READ4(sc, BUS_MODE) & BUS_MODE_SWR) == 0)
break;
DELAY(10);
}
if (i == 0) {
if (i >= MAC_RESET_TIMEOUT) {
device_printf(sc->dev, "Can't reset DWC.\n");
return (ENXIO);
}
@ -1156,6 +1144,19 @@ dwc_attach(device_t dev)
WRITE4(sc, RX_DESCR_LIST_ADDR, sc->rxdesc_ring_paddr);
WRITE4(sc, TX_DESCR_LIST_ADDR, sc->txdesc_ring_paddr);
mtx_init(&sc->mtx, device_get_nameunit(sc->dev),
MTX_NETWORK_LOCK, MTX_DEF);
callout_init_mtx(&sc->dwc_callout, &sc->mtx, 0);
/* Setup interrupt handler. */
error = bus_setup_intr(dev, sc->res[1], INTR_TYPE_NET | INTR_MPSAFE,
NULL, dwc_intr, sc, &sc->intr_cookie);
if (error != 0) {
device_printf(dev, "could not setup interrupt handler.\n");
return (ENXIO);
}
/* Set up the ethernet interface. */
sc->ifp = ifp = if_alloc(IFT_ETHER);