PERFORCE change 92137 for review
Warner Losh
imp at FreeBSD.org
Tue Feb 21 11:04:40 PST 2006
http://perforce.freebsd.org/chv.cgi?CH=92137
Change 92137 by imp at imp_Speedy on 2006/02/21 19:03:49
Initialize more of the clocks. We now hang when reading the
ohci version number. More to follow.
Affected files ...
.. //depot/projects/arm/src/sys/arm/at91/at91_pmc.c#8 edit
Differences ...
==== //depot/projects/arm/src/sys/arm/at91/at91_pmc.c#8 (text+ko) ====
@@ -250,7 +250,9 @@
int freq;
sc->main_clock_hz = main_clock;
-
+ main_ck.hz = main_clock;
+ plla.hz = at91_pmc_pll_rate(main_clock, RD4(sc, CKGR_PLLAR), 0);
+
/*
* Initialize the usb clock. This sets up pllb, but disables the
* actual clock.
@@ -267,20 +269,21 @@
* this relationship.
*/
mckr = RD4(sc, PMC_MCKR);
+ printf("mckr is %x\n", mckr);
mck.parent = clock_list[mckr & 0x3];
mck.parent->refcnt++;
freq = mck.parent->hz;
freq /= 1 << ((mckr >> 2) & 3);
mck.hz = freq / (1 + ((mckr >> 8) & 3));
- printf("Main clock is %x\n", RD4(sc, PMC_MCKR));
-
- device_printf(sc->dev, "main clock = %d Hz PLLA = %d Hz CPU %d Hz main %d Hz\n",
+ device_printf(sc->dev,
+ "main clock: %d Hz PLLA: %d MHz CPU: %d MHz main %d MHz\n",
sc->main_clock_hz,
- at91_pmc_pll_rate(main_clock, RD4(sc, CKGR_PLLAR), 0),
- freq, mck.hz);
+ at91_pmc_pll_rate(main_clock, RD4(sc, CKGR_PLLAR), 0) / 1000000,
+ freq / 1000000, mck.hz / 1000000);
WR4(sc, PMC_SCDR, PMC_SCER_PCK0 | PMC_SCER_PCK1 | PMC_SCER_PCK2 |
PMC_SCER_PCK3);
+ WR4(sc, PMC_PCER, 0xffffffff);
}
static void
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