diff options
Diffstat (limited to 'libhw/w5500.c')
| -rw-r--r-- | libhw/w5500.c | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/libhw/w5500.c b/libhw/w5500.c index 0f15785..c4d36f3 100644 --- a/libhw/w5500.c +++ b/libhw/w5500.c @@ -348,9 +348,9 @@ static void w5500_post_reset(struct w5500 *chip) { w5500ll_write_common_reg(chip->spidev, eth_addr, chip->hwaddr); /* The RP2040 needs a 1/sys_clk hysteresis between interrupts - * for us to notice them. At the maximum-rated clock-rate of - * 133MHz, that means 7.5ns (but the sbc-harness overclocks - * the RP2040, so we could get away with even shorter). + * for us to notice them. At the default clock-rate of + * 125MHz, that means 8ns; and at the maximum-rated clock-rate + * of 200MHz, that means 5ns. * * If intlevel is non-zero, then the hysteresis is * (intlevel+1)*4/(150MHz), or (intlevel+1)*26.7ns; so even |