eth_setenv_enetaddr("ethaddr", mac_addr);
}
+/* Only the first run of boards had a KSZ switch */
+#if defined(CONFIG_BFIN_SPI) && __SILICON_REVISION__ == 0
+# define KSZ_POSSIBLE 1
+#else
+# define KSZ_POSSIBLE 0
+#endif
+
#define KSZ_MAX_HZ 5000000
#define KSZ_WRITE 0x02
return ret;
}
-int board_eth_init(bd_t *bis)
+static bool board_ksz_init(void)
{
- static bool switch_is_alive = false, phy_is_ksz = true;
- int ret;
+ static bool switch_is_alive = false;
if (!switch_is_alive) {
struct spi_slave *slave = spi_setup_slave(0, 1, KSZ_MAX_HZ, SPI_MODE_3);
if (slave) {
if (!spi_claim_bus(slave)) {
- phy_is_ksz = (ksz8893m_reg_read(slave, KSZ_REG_CHID) == 0x88);
- ret = phy_is_ksz ? ksz8893m_reset(slave) : 0;
+ bool phy_is_ksz = (ksz8893m_reg_read(slave, KSZ_REG_CHID) == 0x88);
+ int ret = phy_is_ksz ? ksz8893m_reset(slave) : 0;
switch_is_alive = (ret == 0);
spi_release_bus(slave);
}
}
}
- if (switch_is_alive)
- return bfin_EMAC_initialize(bis);
- else
- return -1;
+ return switch_is_alive;
+}
+
+int board_eth_init(bd_t *bis)
+{
+ if (KSZ_POSSIBLE) {
+ if (!board_ksz_init())
+ return 0;
+ }
+ return bfin_EMAC_initialize(bis);
}
#endif