From: Rajashekhara, Sudhakar sudhakar.raj@ti.com
On DA850/OMAP-L138 it was observed that in RMII mode, auto negotiation was not performed. This patch enables auto negotiation in RMII mode. Without this patch, EMAC initialization takes more time and sometimes tftp fails in RMII mode.
Signed-off-by: Rajashekhara, Sudhakar sudhakar.raj@ti.com Signed-off-by: Lad, Prabhakar prabhakar.lad@ti.com Signed-off-by: Hadli, Manjunath manjunath.hadli@ti.com --- Changes for V2: 1: Fix build warning and enable auto negotiation for phy's which are connected.
drivers/net/davinci_emac.c | 8 ++++++++ 1 files changed, 8 insertions(+), 0 deletions(-)
diff --git a/drivers/net/davinci_emac.c b/drivers/net/davinci_emac.c index fbd0f1b..26cc1f0 100644 --- a/drivers/net/davinci_emac.c +++ b/drivers/net/davinci_emac.c @@ -895,5 +895,13 @@ int davinci_emac_initialize(void) miiphy_register(phy[i].name, davinci_mii_phy_read, davinci_mii_phy_write); } + +#if defined(CONFIG_DRIVER_TI_EMAC_USE_RMII) && \ + defined(CONFIG_MACH_DAVINCI_DA850_EVM) + for (i = 0; i < num_phy; i++) { + if (phy[i].is_phy_connected(i)) + phy[i].auto_negotiate(i); + } +#endif return(1); }