svn commit: r348179 - head/sys/arm/allwinner/clkng
Emmanuel Vadot
manu at FreeBSD.org
Thu May 23 17:34:35 UTC 2019
Author: manu
Date: Thu May 23 17:34:33 2019
New Revision: 348179
URL: https://svnweb.freebsd.org/changeset/base/348179
Log:
allwinner: aw_ccu: Add some debug printfs (disabled by default)
Also print information about setting frequency at boot under bootverbose
Modified:
head/sys/arm/allwinner/clkng/aw_ccung.c
Modified: head/sys/arm/allwinner/clkng/aw_ccung.c
==============================================================================
--- head/sys/arm/allwinner/clkng/aw_ccung.c Thu May 23 17:19:05 2019 (r348178)
+++ head/sys/arm/allwinner/clkng/aw_ccung.c Thu May 23 17:34:33 2019 (r348179)
@@ -64,6 +64,12 @@ __FBSDID("$FreeBSD$");
#include "clkdev_if.h"
#include "hwreset_if.h"
+#if 0
+#define dprintf(format, arg...) device_printf(dev, "%s: " format, __func__, arg)
+#else
+#define dprintf(format, arg...)
+#endif
+
static struct resource_spec aw_ccung_spec[] = {
{ SYS_RES_MEMORY, 0, RF_ACTIVE },
{ -1, 0 }
@@ -78,6 +84,7 @@ aw_ccung_write_4(device_t dev, bus_addr_t addr, uint32
struct aw_ccung_softc *sc;
sc = device_get_softc(dev);
+ dprintf("offset=%lx write %x\n", addr, val);
CCU_WRITE4(sc, addr, val);
return (0);
}
@@ -90,6 +97,7 @@ aw_ccung_read_4(device_t dev, bus_addr_t addr, uint32_
sc = device_get_softc(dev);
*val = CCU_READ4(sc, addr);
+ dprintf("offset=%lx Read %x\n", addr, *val);
return (0);
}
@@ -101,6 +109,7 @@ aw_ccung_modify_4(device_t dev, bus_addr_t addr, uint3
sc = device_get_softc(dev);
+ dprintf("offset=%lx clr: %x set: %x\n", addr, clr, set);
reg = CCU_READ4(sc, addr);
reg &= ~clr;
reg |= set;
@@ -117,6 +126,7 @@ aw_ccung_reset_assert(device_t dev, intptr_t id, bool
sc = device_get_softc(dev);
+ dprintf("%sassert reset id %ld\n", reset ? "" : "De", id);
if (id >= sc->nresets || sc->resets[id].offset == 0)
return (0);
@@ -224,6 +234,11 @@ aw_ccung_init_clocks(struct aw_ccung_softc *sc)
}
}
if (sc->clk_init[i].default_freq != 0) {
+ if (bootverbose)
+ device_printf(sc->dev,
+ "Setting freq %ju for %s\n",
+ sc->clk_init[i].default_freq,
+ sc->clk_init[i].name);
error = clknode_set_freq(clknode,
sc->clk_init[i].default_freq, 0 , 0);
if (error != 0) {
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