[src/trunk]: src/sys/arch/arm/samsung Dump the PLL frequencies on startup on ...

[reinoud <reinoud%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/e67395d9c1fe
branches:  trunk
changeset: 331959:e67395d9c1fe
user:      reinoud <reinoud%NetBSD.org@localhost>
date:      Tue Sep 02 14:07:50 2014 +0000

description:
Dump the PLL frequencies on startup on VERBOSE_INIT_ARM

diffstat:

 sys/arch/arm/samsung/exynos_soc.c |  48 +++++++++++++++++++++++++++++++++++++-
 1 files changed, 46 insertions(+), 2 deletions(-)

diffs (76 lines):

diff -r a19970e5665f -r e67395d9c1fe sys/arch/arm/samsung/exynos_soc.c
--- a/sys/arch/arm/samsung/exynos_soc.c Tue Sep 02 13:47:57 2014 +0000
+++ b/sys/arch/arm/samsung/exynos_soc.c Tue Sep 02 14:07:50 2014 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: exynos_soc.c,v 1.18 2014/09/01 14:19:27 reinoud Exp $  */
+/*     $NetBSD: exynos_soc.c,v 1.19 2014/09/02 14:07:50 reinoud Exp $  */
 /*-
  * Copyright (c) 2014 The NetBSD Foundation, Inc.
  * All rights reserved.
@@ -33,7 +33,7 @@
 #define        _ARM32_BUS_DMA_PRIVATE
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(1, "$NetBSD: exynos_soc.c,v 1.18 2014/09/01 14:19:27 reinoud Exp $");
+__KERNEL_RCSID(1, "$NetBSD: exynos_soc.c,v 1.19 2014/09/02 14:07:50 reinoud Exp $");
 
 #include <sys/param.h>
 #include <sys/bus.h>
@@ -445,6 +445,46 @@
 }
 
 
+#ifdef VERBOSE_INIT_ARM
+#define DUMP_PLL(v, var) \
+       reg = EXYNOS##v##_CMU_##var + PLL_CON0_OFFSET;\
+       regval = bus_space_read_4(&exynos_bs_tag, exynos_core_bsh, reg); \
+       freq   = PLL_FREQ(EXYNOS_F_IN_FREQ, regval); \
+       printf("%8s at %d Mhz\n", #var, freq/(1000*1000));
+
+
+static void
+exynos_dump_clocks(void)
+{
+       uint32_t reg = 0;
+       uint32_t regval;
+       uint32_t freq;
+
+       printf("Initial PLL settings\n");
+#ifdef EXYNOS4
+       if (IS_EXYNOS4_P()) {
+               DUMP_PLL(4, APLL);
+               DUMP_PLL(4, MPLL);
+               DUMP_PLL(4, EPLL);
+               DUMP_PLL(4, VPLL);
+       }
+#endif
+#ifdef EXYNOS5
+       if (IS_EXYNOS5_P()) {
+               DUMP_PLL(5, APLL);
+               DUMP_PLL(5, MPLL);
+               DUMP_PLL(5, EPLL);
+               DUMP_PLL(5, VPLL);
+               DUMP_PLL(5, CPLL);
+               DUMP_PLL(5, GPLL);
+               DUMP_PLL(5, BPLL);
+       }
+#endif
+}
+#undef DUMP_PLL
+#endif
+
+
 void
 exynos_clocks_bootstrap(void)
 {
@@ -463,6 +503,10 @@
        KASSERT(ncpu_freq_settings != 0);
        KASSERT(ncpu_freq_settings < NFRQS);
 
+#ifdef VERBOSE_INIT_ARM
+       exynos_dump_clocks();
+#endif
+
        /* set max cpufreq */
        exynos_set_cpufreq(&cpu_freq_settings[ncpu_freq_settings-1]);
 }