uint16_t reading;
uint32_t old_eecd;
} eecd_state;
+
+ QEMUTimer *autoneg_timer;
} E1000State;
#define defreg(x) x = (E1000_##x>>2)
s->phy_reg[PHY_STATUS] |= MII_SR_LINK_STATUS;
}
+static void
+set_phy_ctrl(E1000State *s, int index, uint16_t val)
+{
+ if ((val & MII_CR_AUTO_NEG_EN) && (val & MII_CR_RESTART_AUTO_NEG)) {
+ s->nic->nc.link_down = true;
+ e1000_link_down(s);
+ s->phy_reg[PHY_STATUS] &= ~MII_SR_AUTONEG_COMPLETE;
+ DBGOUT(PHY, "Start link auto negotiation\n");
+ qemu_mod_timer(s->autoneg_timer, qemu_get_clock_ms(vm_clock) + 500);
+ }
+}
+
+static void
+e1000_autoneg_timer(void *opaque)
+{
+ E1000State *s = opaque;
+ s->nic->nc.link_down = false;
+ e1000_link_up(s);
+ s->phy_reg[PHY_STATUS] |= MII_SR_AUTONEG_COMPLETE;
+ DBGOUT(PHY, "Auto negotiation is completed\n");
+}
+
+static void (*phyreg_writeops[])(E1000State *, int, uint16_t) = {
+ [PHY_CTRL] = set_phy_ctrl,
+};
+
+enum { NPHYWRITEOPS = ARRAY_SIZE(phyreg_writeops) };
+
enum { PHY_R = 1, PHY_W = 2, PHY_RW = PHY_R | PHY_W };
static const char phy_regcap[0x20] = {
[PHY_STATUS] = PHY_R, [M88E1000_EXT_PHY_SPEC_CTRL] = PHY_RW,
};
static const uint16_t phy_reg_init[] = {
- [PHY_CTRL] = 0x1140, [PHY_STATUS] = 0x796d, // link initially up
+ [PHY_CTRL] = 0x1140,
+ [PHY_STATUS] = 0x794d, /* link initially up with not completed autoneg */
[PHY_ID1] = 0x141, [PHY_ID2] = PHY_ID2_INIT,
[PHY_1000T_CTRL] = 0x0e00, [M88E1000_PHY_SPEC_CTRL] = 0x360,
[M88E1000_EXT_PHY_SPEC_CTRL] = 0x0d60, [PHY_AUTONEG_ADV] = 0xde1,
{
E1000State *d = opaque;
+ qemu_del_timer(d->autoneg_timer);
memset(d->phy_reg, 0, sizeof d->phy_reg);
memmove(d->phy_reg, phy_reg_init, sizeof phy_reg_init);
memset(d->mac_reg, 0, sizeof d->mac_reg);
if (!(phy_regcap[addr] & PHY_W)) {
DBGOUT(MDIC, "MDIC write reg %x unhandled\n", addr);
val |= E1000_MDIC_ERROR;
- } else
+ } else {
+ if (addr < NPHYWRITEOPS && phyreg_writeops[addr]) {
+ phyreg_writeops[addr](s, index, data);
+ }
s->phy_reg[addr] = data;
+ }
}
s->mac_reg[MDIC] = val | E1000_MDIC_READY;
[MTA ... MTA+127] = &mac_writereg,
[VFTA ... VFTA+127] = &mac_writereg,
};
+
enum { NWRITEOPS = ARRAY_SIZE(macreg_writeops) };
static void
{
E1000State *d = DO_UPCAST(E1000State, dev, dev);
+ qemu_del_timer(d->autoneg_timer);
+ qemu_free_timer(d->autoneg_timer);
memory_region_destroy(&d->mmio);
memory_region_destroy(&d->io);
qemu_del_vlan_client(&d->nic->nc);
add_boot_device_path(d->conf.bootindex, &pci_dev->qdev, "/ethernet-phy@0");
+ d->autoneg_timer = qemu_new_timer_ms(vm_clock, e1000_autoneg_timer, d);
+
return 0;
}