Date: Thu, 31 May 2018 15:41:56 +0000 (UTC) From: Emmanuel Vadot <manu@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r334436 - head/sys/arm/allwinner Message-ID: <201805311541.w4VFfuiW060378@repo.freebsd.org>
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Author: manu Date: Thu May 31 15:41:56 2018 New Revision: 334436 URL: https://svnweb.freebsd.org/changeset/base/334436 Log: aw_mmc: Get max-frequency from the dtb If a max-frequency is supplied in the dtb use it, otherwise fallback to a default one of 52Mhz. Modified: head/sys/arm/allwinner/aw_mmc.c Modified: head/sys/arm/allwinner/aw_mmc.c ============================================================================== --- head/sys/arm/allwinner/aw_mmc.c Thu May 31 15:41:00 2018 (r334435) +++ head/sys/arm/allwinner/aw_mmc.c Thu May 31 15:41:56 2018 (r334436) @@ -182,7 +182,7 @@ aw_mmc_attach(device_t dev) struct aw_mmc_softc *sc; struct sysctl_ctx_list *ctx; struct sysctl_oid_list *tree; - uint32_t bus_width; + uint32_t bus_width, max_freq; phandle_t node; int error; @@ -277,7 +277,12 @@ aw_mmc_attach(device_t dev) } sc->aw_host.f_min = 400000; - sc->aw_host.f_max = 52000000; + + if (OF_getencprop(node, "max-frequency", &max_freq, + sizeof(uint32_t)) <= 0) + max_freq = 52000000; + sc->aw_host.f_max = max_freq; + sc->aw_host.host_ocr = MMC_OCR_320_330 | MMC_OCR_330_340; sc->aw_host.caps = MMC_CAP_HSPEED | MMC_CAP_UHS_SDR12 | MMC_CAP_UHS_SDR25 | MMC_CAP_UHS_SDR50 |
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