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Merging of projects/armv6, part 6

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r229271:
    Import files needed to build ARMADA XP kernel.

Submitted by:	Grzegorz Bernacki
This commit is contained in:
Oleksandr Tymoshenko 2012-08-15 04:07:18 +00:00
parent b011f8c450
commit 75f1438be6
2 changed files with 85 additions and 25 deletions
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108
sys/dev/mge/if_mge.c
View File

@ -104,7 +104,10 @@ static uint32_t mge_rx_ipg(uint32_t val, int ver);
static void mge_ver_params(struct mge_softc *sc);
static void mge_intrs_ctrl(struct mge_softc *sc, int enable);
static void mge_intr_rxtx(void *arg);
static void mge_intr_rx(void *arg);
static void mge_intr_rx_check(struct mge_softc *sc, uint32_t int_cause,
uint32_t int_cause_ext);
static int mge_intr_rx_locked(struct mge_softc *sc, int count);
static void mge_intr_tx(void *arg);
static void mge_intr_tx_locked(struct mge_softc *sc);
@ -171,15 +174,14 @@ static struct resource_spec res_spec[] = {
{ SYS_RES_IRQ, 0, RF_ACTIVE | RF_SHAREABLE },
{ SYS_RES_IRQ, 1, RF_ACTIVE | RF_SHAREABLE },
{ SYS_RES_IRQ, 2, RF_ACTIVE | RF_SHAREABLE },
{ SYS_RES_IRQ, 3, RF_ACTIVE | RF_SHAREABLE },
{ SYS_RES_IRQ, 4, RF_ACTIVE | RF_SHAREABLE },
{ -1, 0 }
};
static struct {
driver_intr_t *handler;
char * description;
} mge_intrs[MGE_INTR_COUNT] = {
} mge_intrs[MGE_INTR_COUNT + 1] = {
{ mge_intr_rxtx,"GbE aggregated interrupt" },
{ mge_intr_rx, "GbE receive interrupt" },
{ mge_intr_tx, "GbE transmit interrupt" },
{ mge_intr_misc,"GbE misc interrupt" },
@ -258,10 +260,11 @@ mge_ver_params(struct mge_softc *sc)
uint32_t d, r;
soc_id(&d, &r);
if (d == MV_DEV_88F6281 ||
if (d == MV_DEV_88F6281 || d == MV_DEV_88F6781 ||
d == MV_DEV_88F6282 ||
d == MV_DEV_MV78100 ||
d == MV_DEV_MV78100_Z0) {
d == MV_DEV_MV78100_Z0 ||
(d & MV_DEV_FAMILY_MASK) == MV_DEV_DISCOVERY) {
sc->mge_ver = 2;
sc->mge_mtu = 0x4e8;
sc->mge_tfut_ipg_max = 0xFFFF;
@ -278,6 +281,15 @@ mge_ver_params(struct mge_softc *sc)
sc->mge_tx_tok_cfg = 0x3FFFFFFF;
sc->mge_tx_tok_cnt = 0x3FFFFFFF;
}
if (d == MV_DEV_88RC8180)
sc->mge_intr_cnt = 1;
else
sc->mge_intr_cnt = 2;
if (d == MV_DEV_MV78160 || d == MV_DEV_MV78260 || d == MV_DEV_MV78460)
sc->mge_hw_csum = 0;
else
sc->mge_hw_csum = 1;
}
static void
@ -442,7 +454,7 @@ mge_alloc_desc_dma(struct mge_softc *sc, struct mge_desc_wrapper* tab,
/* Allocate a busdma tag for mbufs. */
error = bus_dma_tag_create(bus_get_dma_tag(sc->dev), /* parent */
8, 0, /* alignment, boundary */
1, 0, /* alignment, boundary */
BUS_SPACE_MAXADDR_32BIT, /* lowaddr */
BUS_SPACE_MAXADDR, /* highaddr */
NULL, NULL, /* filtfunc, filtfuncarg */
@ -681,9 +693,12 @@ mge_attach(device_t dev)
if_initname(ifp, device_get_name(dev), device_get_unit(dev));
ifp->if_softc = sc;
ifp->if_flags = IFF_SIMPLEX | IFF_MULTICAST | IFF_BROADCAST;
ifp->if_capabilities = IFCAP_HWCSUM | IFCAP_VLAN_MTU;
ifp->if_capabilities = IFCAP_VLAN_MTU;
if (sc->mge_hw_csum) {
ifp->if_capabilities |= IFCAP_HWCSUM;
ifp->if_hwassist = MGE_CHECKSUM_FEATURES;
}
ifp->if_capenable = ifp->if_capabilities;
ifp->if_hwassist = MGE_CHECKSUM_FEATURES;
#ifdef DEVICE_POLLING
/* Advertise that polling is supported */
@ -717,13 +732,15 @@ mge_attach(device_t dev)
MGE_WRITE(sc, MGE_REG_PHYDEV, miisc->mii_phy);
/* Attach interrupt handlers */
for (i = 0; i < 2; ++i) {
error = bus_setup_intr(dev, sc->res[1 + i],
INTR_TYPE_NET | INTR_MPSAFE, NULL, *mge_intrs[i].handler,
sc, &sc->ih_cookie[i]);
/* TODO: review flags, in part. mark RX as INTR_ENTROPY ? */
for (i = 1; i <= sc->mge_intr_cnt; ++i) {
error = bus_setup_intr(dev, sc->res[i],
INTR_TYPE_NET | INTR_MPSAFE,
NULL, *mge_intrs[(sc->mge_intr_cnt == 1 ? 0 : i)].handler,
sc, &sc->ih_cookie[i - 1]);
if (error) {
device_printf(dev, "could not setup %s\n",
mge_intrs[i].description);
mge_intrs[(sc->mge_intr_cnt == 1 ? 0 : i)].description);
mge_detach(dev);
return (error);
}
@ -748,14 +765,14 @@ mge_detach(device_t dev)
callout_drain(&sc->wd_callout);
/* Stop and release all interrupts */
for (i = 0; i < 2; ++i) {
for (i = 0; i < sc->mge_intr_cnt; ++i) {
if (!sc->ih_cookie[i])
continue;
error = bus_teardown_intr(dev, sc->res[1 + i], sc->ih_cookie[i]);
if (error)
device_printf(dev, "could not release %s\n",
mge_intrs[i].description);
mge_intrs[(sc->mge_intr_cnt == 1 ? 0 : i + 1)].description);
}
/* Detach network interface */
@ -982,6 +999,41 @@ mge_init_locked(void *arg)
callout_reset(&sc->wd_callout, hz, mge_tick, sc);
}
static void
mge_intr_rxtx(void *arg)
{
struct mge_softc *sc = arg;
uint32_t int_cause, int_cause_ext;
MGE_GLOBAL_LOCK(sc);
#ifdef DEVICE_POLLING
if (sc->ifp->if_capenable & IFCAP_POLLING) {
MGE_GLOBAL_UNLOCK(sc);
return;
}
#endif
/* Get interrupt cause */
int_cause = MGE_READ(sc, MGE_PORT_INT_CAUSE);
int_cause_ext = MGE_READ(sc, MGE_PORT_INT_CAUSE_EXT);
/* Check for Transmit interrupt */
if (int_cause_ext & (MGE_PORT_INT_EXT_TXBUF0 |
MGE_PORT_INT_EXT_TXUR)) {
MGE_WRITE(sc, MGE_PORT_INT_CAUSE_EXT, ~(int_cause_ext &
(MGE_PORT_INT_EXT_TXBUF0 | MGE_PORT_INT_EXT_TXUR)));
mge_intr_tx_locked(sc);
}
MGE_TRANSMIT_UNLOCK(sc);
/* Check for Receive interrupt */
mge_intr_rx_check(sc, int_cause, int_cause_ext);
MGE_RECEIVE_UNLOCK(sc);
}
static void
mge_intr_err(void *arg)
{
@ -1020,11 +1072,20 @@ mge_intr_rx(void *arg) {
int_cause = MGE_READ(sc, MGE_PORT_INT_CAUSE);
int_cause_ext = MGE_READ(sc, MGE_PORT_INT_CAUSE_EXT);
mge_intr_rx_check(sc, int_cause, int_cause_ext);
MGE_RECEIVE_UNLOCK(sc);
}
static void
mge_intr_rx_check(struct mge_softc *sc, uint32_t int_cause,
uint32_t int_cause_ext)
{
/* Check for resource error */
if (int_cause & MGE_PORT_INT_RXERRQ0) {
mge_reinit_rx(sc);
MGE_WRITE(sc, MGE_PORT_INT_CAUSE,
int_cause & ~MGE_PORT_INT_RXERRQ0);
~(int_cause & MGE_PORT_INT_RXERRQ0));
}
int_cause &= MGE_PORT_INT_RXQ0;
@ -1035,11 +1096,8 @@ mge_intr_rx(void *arg) {
MGE_WRITE(sc, MGE_PORT_INT_CAUSE_EXT, ~int_cause_ext);
mge_intr_rx_locked(sc, -1);
}
MGE_RECEIVE_UNLOCK(sc);
}
static int
mge_intr_rx_locked(struct mge_softc *sc, int count)
{
@ -1130,8 +1188,8 @@ mge_intr_tx(void *arg)
/* Ack the interrupt */
int_cause_ext = MGE_READ(sc, MGE_PORT_INT_CAUSE_EXT);
MGE_WRITE(sc, MGE_PORT_INT_CAUSE_EXT,
int_cause_ext & ~MGE_PORT_INT_EXT_TXBUF0);
MGE_WRITE(sc, MGE_PORT_INT_CAUSE_EXT, ~(int_cause_ext &
(MGE_PORT_INT_EXT_TXBUF0 | MGE_PORT_INT_EXT_TXUR)));
mge_intr_tx_locked(sc);
@ -1401,12 +1459,12 @@ mge_encap(struct mge_softc *sc, struct mbuf *m0)
dw->mge_desc->byte_count = segs[seg].ds_len;
dw->mge_desc->buffer = segs[seg].ds_addr;
dw->buffer = m0;
dw->mge_desc->cmd_status = MGE_TX_LAST | MGE_TX_FIRST |
MGE_TX_ETH_CRC | MGE_TX_EN_INT | MGE_TX_PADDING |
MGE_DMA_OWNED;
dw->mge_desc->cmd_status = 0;
if (seg == 0)
mge_offload_setup_descriptor(sc, dw);
dw->mge_desc->cmd_status |= MGE_TX_LAST | MGE_TX_FIRST |
MGE_TX_ETH_CRC | MGE_TX_EN_INT | MGE_TX_PADDING |
MGE_DMA_OWNED;
}
bus_dmamap_sync(sc->mge_desc_dtag, dw->desc_dmap,

2
sys/dev/mge/if_mgevar.h
View File

@ -103,6 +103,8 @@ struct mge_softc {
uint32_t mge_tx_tok_cnt;
uint16_t mge_mtu;
int mge_ver;
int mge_intr_cnt;
uint8_t mge_hw_csum;
struct mge_softc *phy_sc;
};