diff options
Diffstat (limited to 'drivers/net/bfin_mac.c')
| -rw-r--r-- | drivers/net/bfin_mac.c | 10 |
1 files changed, 5 insertions, 5 deletions
diff --git a/drivers/net/bfin_mac.c b/drivers/net/bfin_mac.c index dddbb78..a620fcc 100644 --- a/drivers/net/bfin_mac.c +++ b/drivers/net/bfin_mac.c @@ -323,9 +323,12 @@ static void SoftResetPHY(void) } #endif +/* MDC = SCLK / MDC_freq / 2 - 1 */ +#define MDC_FREQ_TO_DIV(mdc_freq) (get_sclk() / (mdc_freq) / 2 - 1) + static int SetupSystemRegs(int *opmode) { - u16 sysctl, phydat; + u16 phydat; int count = 0; /* Enable PHY output */ *pVR_CTL |= CLKBUFOE; @@ -368,12 +371,9 @@ static int SetupSystemRegs(int *opmode) # endif #endif - /* MDC = 2.5 MHz */ - sysctl = SET_MDCDIV(24); /* Odd word alignment for Receive Frame DMA word */ /* Configure checksum support and rcve frame word alignment */ - sysctl |= RXDWA | RXCKS; - *pEMAC_SYSCTL = sysctl; + *pEMAC_SYSCTL = RXDWA | RXCKS | SET_MDCDIV(MDC_FREQ_TO_DIV(2500000)); /* auto negotiation on */ /* full duplex */ /* 100 Mbps */ |