Commit ba83a307 authored by wdenk's avatar wdenk
Browse files

Patch by Steven Scholz, 04 Apr 2005:

Make sure that MDIO clock does not exceed 2.5 MHz on AT91
parent 101e8dfa
......@@ -2,6 +2,9 @@
Changes for U-Boot 1.1.3:
======================================================================
* Patch by Steven Scholz, 04 Apr 2005:
Make sure that MDIO clock does not exceed 2.5 MHz on AT91
* Fix timer code for ARM systems: make sure that udelay() does not
reset timers so it's save to use udelay() in timeout code.
......
......@@ -210,6 +210,11 @@ int eth_init (bd_t * bd)
p_mac->EMAC_CFG |= AT91C_EMAC_RMII;
#endif
#if (AT91C_MASTER_CLOCK > 40000000)
/* MDIO clock must not exceed 2.5 MHz, so enable MCK divider */
p_mac->EMAC_CFG |= AT91C_EMAC_CLK_HCLK_64;
#endif
p_mac->EMAC_CTL |= AT91C_EMAC_TE | AT91C_EMAC_RE;
at91rm92000_GetPhyInterface (& PhyOps);
......
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