diff options
| author | Emmanuel Vadot <manu@FreeBSD.org> | 2023-10-06 15:44:00 +0000 |
|---|---|---|
| committer | Emmanuel Vadot <manu@FreeBSD.org> | 2023-10-06 17:05:43 +0000 |
| commit | cf037a17c7c81e8a2e73c89eb90877f2625749d7 (patch) | |
| tree | 8fdc8c0f16297b1f80e4372fae88d538a3bf387c /sys/dev | |
| parent | 7854d0f6584d259fd7f13595e3d3a4f157db9339 (diff) | |
Diffstat (limited to 'sys/dev')
| -rw-r--r-- | sys/dev/dwc/if_dwc_rk.c | 24 |
1 files changed, 22 insertions, 2 deletions
diff --git a/sys/dev/dwc/if_dwc_rk.c b/sys/dev/dwc/if_dwc_rk.c index 43d4e4847c62..257d80bd1e59 100644 --- a/sys/dev/dwc/if_dwc_rk.c +++ b/sys/dev/dwc/if_dwc_rk.c @@ -581,9 +581,29 @@ if_dwc_rk_init(device_t dev) static int if_dwc_rk_mii_clk(device_t dev) { + struct if_dwc_rk_softc *sc; + uint64_t freq; + int rv; + + sc = device_get_softc(dev); + if ((rv = clk_get_freq(sc->pclk_mac, &freq)) != 0) + return (-rv); + freq = freq / 1000 / 1000; + + if (freq >= 60 && freq <= 100) + return (GMAC_MII_CLK_60_100M_DIV42); + else if (freq >= 100 && freq <= 150) + return (GMAC_MII_CLK_100_150M_DIV62); + else if (freq >= 20 && freq <= 35) + return (GMAC_MII_CLK_25_35M_DIV16); + else if (freq >= 35 && freq <= 60) + return (GMAC_MII_CLK_35_60M_DIV26); + else if (freq >= 150 && freq <= 250) + return (GMAC_MII_CLK_150_250M_DIV102); + else if (freq >= 250 && freq <= 300) + return (GMAC_MII_CLK_250_300M_DIV124); - /* Should be calculated from the clock */ - return (GMAC_MII_CLK_150_250M_DIV102); + return (-ERANGE); } static int |