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drivers: net: cpsw: add support for using second port as ethernet

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Add support for using the second slave port of cpsw
to be used as primary ethernet.

Signed-off-by: Mugunthan V N <mugunthanvnm@ti.com>
This commit is contained in:
Mugunthan V N 2014-05-22 14:37:10 +05:30 committed by Tom Rini
parent 23f23f23d5
commit 7a0227534d
2 changed files with 6 additions and 3 deletions
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8
drivers/net/cpsw.c
View File

@ -211,6 +211,8 @@ struct cpdma_chan {
#define chan_read(chan, fld) __raw_readl((chan)->fld)
#define chan_read_ptr(chan, fld) ((void *)__raw_readl((chan)->fld))
#define for_active_slave(slave, priv) \
slave = (priv)->slaves + (priv)->data.active_slave; if (slave)
#define for_each_slave(slave, priv) \
for (slave = (priv)->slaves; slave != (priv)->slaves + \
(priv)->data.slaves; slave++)
@ -609,7 +611,7 @@ static int cpsw_update_link(struct cpsw_priv *priv)
int link = 0;
struct cpsw_slave *slave;
for_each_slave(slave, priv)
for_active_slave(slave, priv)
cpsw_slave_update_link(slave, priv, &link);
priv->mdio_link = readl(&mdio_regs->link);
return link;
@ -785,7 +787,7 @@ static int cpsw_init(struct eth_device *dev, bd_t *bis)
ALE_SECURE);
cpsw_ale_add_mcast(priv, NetBcastAddr, 1 << priv->host_port);
for_each_slave(slave, priv)
for_active_slave(slave, priv)
cpsw_slave_init(slave, priv);
cpsw_update_link(priv);
@ -1013,7 +1015,7 @@ int cpsw_register(struct cpsw_platform_data *data)
cpsw_mdio_init(dev->name, data->mdio_base, data->mdio_div);
priv->bus = miiphy_get_dev_by_name(dev->name);
for_each_slave(slave, priv)
for_active_slave(slave, priv)
cpsw_phy_init(dev, slave);
return 1;

1
include/cpsw.h
View File

@ -44,6 +44,7 @@ struct cpsw_platform_data {
struct cpsw_slave_data *slave_data;
void (*control)(int enabled);
u32 host_port_num;
u32 active_slave;
u8 version;
};