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-rw-r--r--drivers/net/davinci_emac.c9
1 files changed, 7 insertions, 2 deletions
diff --git a/drivers/net/davinci_emac.c b/drivers/net/davinci_emac.c
index a900480..fa31159 100644
--- a/drivers/net/davinci_emac.c
+++ b/drivers/net/davinci_emac.c
@@ -53,6 +53,11 @@ unsigned int emac_dbg = 0;
#define emac_gigabit_enable(phy_addr) /* no gigabit to enable */
#endif
+#if !defined(CONFIG_SYS_EMAC_TI_CLKDIV)
+#define CONFIG_SYS_EMAC_TI_CLKDIV ((EMAC_MDIO_BUS_FREQ / \
+ EMAC_MDIO_CLOCK_FREQ) - 1)
+#endif
+
static void davinci_eth_mdio_enable(void);
static int gen_init_phy(int phy_addr);
@@ -131,7 +136,7 @@ static void davinci_eth_mdio_enable(void)
{
u_int32_t clkdiv;
- clkdiv = (EMAC_MDIO_BUS_FREQ / EMAC_MDIO_CLOCK_FREQ) - 1;
+ clkdiv = CONFIG_SYS_EMAC_TI_CLKDIV;
writel((clkdiv & 0xff) |
MDIO_CONTROL_ENABLE |
@@ -473,7 +478,7 @@ static int davinci_eth_open(struct eth_device *dev, bd_t *bis)
#endif
/* Init MDIO & get link state */
- clkdiv = (EMAC_MDIO_BUS_FREQ / EMAC_MDIO_CLOCK_FREQ) - 1;
+ clkdiv = CONFIG_SYS_EMAC_TI_CLKDIV;
writel((clkdiv & 0xff) | MDIO_CONTROL_ENABLE | MDIO_CONTROL_FAULT,
&adap_mdio->CONTROL);