Date: Tue, 15 Jan 2013 11:23:12 +0200 From: Alexander Motin <mav@FreeBSD.org> To: Ganbold Tsagaankhuu <ganbold@FreeBSD.org> Cc: svn-src-head@freebsd.org, svn-src-all@freebsd.org, src-committers@freebsd.org Subject: Re: svn commit: r245450 - in head/sys: arm/allwinner arm/conf boot/fdt/dts Message-ID: <50F52000.30009@FreeBSD.org> In-Reply-To: <201301150826.r0F8QGJr044600@svn.freebsd.org> References: <201301150826.r0F8QGJr044600@svn.freebsd.org>
next in thread | previous in thread | raw e-mail | index | archive | help
On 15.01.2013 10:26, Ganbold Tsagaankhuu wrote: > Author: ganbold (doc committer) > Date: Tue Jan 15 08:26:16 2013 > New Revision: 245450 > URL: http://svnweb.freebsd.org/changeset/base/245450 > > Log: > Initial support for Allwinner A10 SoC (Cubieboard) > Add simple console driver > Add interrupt handling and timer codes > Add kernel config file > Add dts file > Approved by: gonzo > + /* Set desired frequency in event timer and timecounter */ > + sc->et.et_frequency = (uint64_t)freq; > + sc->clkfreq = (uint64_t)freq; > + sc->et.et_name = "a10_timer Eventtimer"; > + sc->et.et_flags = ET_FLAGS_ONESHOT | ET_FLAGS_PERIODIC; > + sc->et.et_quality = 1000; > + sc->et.et_min_period.sec = 0; > + sc->et.et_min_period.frac = > + ((0x00000002LLU << 32) / sc->et.et_frequency) << 32; > + sc->et.et_max_period.sec = 0xfffffff0U / sc->et.et_frequency; > + sc->et.et_max_period.frac = > + ((0xfffffffeLLU << 32) / sc->et.et_frequency) << 32; > + sc->et.et_start = a10_timer_timer_start; > + sc->et.et_stop = a10_timer_timer_stop; > + sc->et.et_priv = sc; > + et_register(&sc->et); > +static int > +a10_timer_timer_start(struct eventtimer *et, struct bintime *first, > + struct bintime *period) > +{ > + struct a10_timer_softc *sc; > + uint32_t clo, count; > + > + sc = (struct a10_timer_softc *)et->et_priv; > + > + if (first != NULL) { > + count = (sc->et.et_frequency * (first->frac >> 32)) >> 32; > + if (first->sec != 0) > + count += sc->et.et_frequency * first->sec; > + > + /* clear */ > + timer_write_4(sc, SW_TIMER0_CUR_VALUE_REG, 0); > + clo = timer_read_4(sc, SW_TIMER0_CUR_VALUE_REG); > + clo += count; > + timer_write_4(sc, SW_TIMER0_CUR_VALUE_REG, clo); > + > + return (0); > + } > + > + return (EINVAL); > +} It seems like you've announced periodic mode support above, but haven't implemented it here. -- Alexander Motin
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?50F52000.30009>