Date: Wed, 2 May 2007 11:43:08 GMT From: Bruce M Simpson <bms@FreeBSD.org> To: Perforce Change Reviews <perforce@freebsd.org> Subject: PERFORCE change 119147 for review Message-ID: <200705021143.l42Bh8cw082270@repoman.freebsd.org>
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http://perforce.freebsd.org/chv.cgi?CH=119147 Change 119147 by bms@bms_anglepoise on 2007/05/02 11:42:20 Bring back plain old hardcoded clock value. The Sentry5 doesn't have YAMON or the Motorola RTC. Affected files ... .. //depot/projects/mips2/src/sys/mips/mips/tick.c#11 edit Differences ... ==== //depot/projects/mips2/src/sys/mips/mips/tick.c#11 (text+ko) ==== @@ -117,7 +117,7 @@ printf("Calibrating MIPS32 clock ... "); do { -#ifdef TICK_USE_YAMON_FREQ +#if defined(TICK_USE_YAMON_FREQ) /* * Use the clock frequency specified in the environment * variables providied to us by the YAMON monitor. @@ -131,13 +131,12 @@ } else { counter_freq = strtol(cp, (char **)NULL, 10) * 1000 ; } -#else +#elif defined(TICK_USE_MALTA_RTC) u_int64_t counterval[2]; /* * Determine clock frequency from hardware. */ -#ifdef TICK_USE_MALTA_RTC /* Set RTC to binary mode. */ writertc(RTC_STATUSB, (rtcin(RTC_STATUSB) | RTCSB_BCD)); @@ -146,19 +145,19 @@ ; while (((rtcin(RTC_STATUSA)& RTCSA_TUP) != 0)) ; -#endif counterval[0] = mips_rd_count(); -#ifdef TICK_USE_MALTA_RTC /* Busy-wait for falling edge of RTC update. */ while (((rtcin(RTC_STATUSA) & RTCSA_TUP) == 0)) ; while (((rtcin(RTC_STATUSA)& RTCSA_TUP) != 0)) ; -#endif + counterval[1] = mips_rd_count(); - counterval[1] = mips_rd_count(); counter_freq = counterval[1] - counterval[0]; +#else + printf("using hard-coded default clock of 10MHz\n"); + counter_freq = 10000000; #endif } while (0);
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