/* http://bcm-v4.sipsolutions.net/mac-gbit/gmac/chipinit */
static void bgmac_chip_init(struct bgmac *bgmac)
{
/* Clear any erroneously pending interrupts */
bgmac_write(bgmac, BGMAC_INT_STATUS, ~0);
/* 1 interrupt per received frame */
bgmac_write(bgmac, BGMAC_INT_RECV_LAZY, 1 << BGMAC_IRL_FC_SHIFT);
/* Enable 802.3x tx flow control (honor received PAUSE frames) */
bgmac_cmdcfg_maskset(bgmac, ~BGMAC_CMDCFG_RPI, 0, true);
bgmac_set_rx_mode(bgmac->net_dev);
bgmac_write_mac_address(bgmac, bgmac->net_dev->dev_addr);
if (bgmac->loopback)
bgmac_cmdcfg_maskset(bgmac, ~0, BGMAC_CMDCFG_ML, false);
else
bgmac_cmdcfg_maskset(bgmac, ~BGMAC_CMDCFG_ML, 0, false);
bgmac_write(bgmac, BGMAC_RXMAX_LENGTH, 32 + ETHER_MAX_LEN);
bgmac_chip_intrs_on(bgmac);
bgmac_enable(bgmac);
}
/* http://bcm-v4.sipsolutions.net/mac-gbit/gmac/chipinit */
static void bgmac_chip_init(struct bgmac *bgmac, bool full_init)
{
struct bgmac_dma_ring *ring;
int i;
/* 1 interrupt per received frame */
bgmac_write(bgmac, BGMAC_INT_RECV_LAZY, 1 << BGMAC_IRL_FC_SHIFT);
/* Enable 802.3x tx flow control (honor received PAUSE frames) */
bgmac_cmdcfg_maskset(bgmac, ~BGMAC_CMDCFG_RPI, 0, true);
bgmac_set_rx_mode(bgmac->net_dev);
bgmac_write_mac_address(bgmac, bgmac->net_dev->dev_addr);
if (bgmac->loopback)
bgmac_cmdcfg_maskset(bgmac, ~0, BGMAC_CMDCFG_ML, false);
else
bgmac_cmdcfg_maskset(bgmac, ~BGMAC_CMDCFG_ML, 0, false);
bgmac_write(bgmac, BGMAC_RXMAX_LENGTH, 32 + ETHER_MAX_LEN);
if (full_init) {
bgmac_dma_init(bgmac);
if (1) /* FIXME: is there any case we don't want IRQs? */
bgmac_chip_intrs_on(bgmac);
} else {
for (i = 0; i < BGMAC_MAX_RX_RINGS; i++) {
ring = &bgmac->rx_ring[i];
bgmac_dma_rx_enable(bgmac, ring);
}
}
bgmac_enable(bgmac);
}
static int bgmac_set_mac_address(struct net_device *net_dev, void *addr)
{
struct bgmac *bgmac = netdev_priv(net_dev);
int ret;
ret = eth_prepare_mac_addr_change(net_dev, addr);
if (ret < 0)
return ret;
bgmac_write_mac_address(bgmac, (u8 *)addr);
eth_commit_mac_addr_change(net_dev, addr);
return 0;
}
static int bgmac_set_mac_address(struct net_device *net_dev, void *addr)
{
struct bgmac *bgmac = netdev_priv(net_dev);
struct sockaddr *sa = addr;
int ret;
ret = eth_prepare_mac_addr_change(net_dev, addr);
if (ret < 0)
return ret;
ether_addr_copy(net_dev->dev_addr, sa->sa_data);
bgmac_write_mac_address(bgmac, net_dev->dev_addr);
eth_commit_mac_addr_change(net_dev, addr);
return 0;
}