Date: Fri, 6 Oct 2023 17:06:02 GMT From: Emmanuel Vadot <manu@FreeBSD.org> To: src-committers@FreeBSD.org, dev-commits-src-all@FreeBSD.org, dev-commits-src-main@FreeBSD.org Subject: git: cf037a17c7c8 - main - dwc: rockchip: Properly calculate mii clock based on pclk_mac Message-ID: <202310061706.396H62a5060763@gitrepo.freebsd.org>
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The branch main has been updated by manu: URL: https://cgit.FreeBSD.org/src/commit/?id=cf037a17c7c81e8a2e73c89eb90877f2625749d7 commit cf037a17c7c81e8a2e73c89eb90877f2625749d7 Author: Emmanuel Vadot <manu@FreeBSD.org> AuthorDate: 2023-10-06 15:44:00 +0000 Commit: Emmanuel Vadot <manu@FreeBSD.org> CommitDate: 2023-10-06 17:05:43 +0000 dwc: rockchip: Properly calculate mii clock based on pclk_mac --- sys/dev/dwc/if_dwc_rk.c | 24 ++++++++++++++++++++++-- 1 file 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; - /* Should be calculated from the clock */ - return (GMAC_MII_CLK_150_250M_DIV102); + 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); + + return (-ERANGE); } static int
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