Module Name: src
Committed By: jmcneill
Date: Sun May 31 14:42:56 UTC 2015
Modified Files:
src/sys/arch/arm/nvidia: soc_tegra124.c
Log Message:
set VDD_CPU to 1.4V
To generate a diff of this commit:
cvs rdiff -u -r1.4 -r1.5 src/sys/arch/arm/nvidia/soc_tegra124.c
Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.
Modified files:
Index: src/sys/arch/arm/nvidia/soc_tegra124.c
diff -u src/sys/arch/arm/nvidia/soc_tegra124.c:1.4 src/sys/arch/arm/nvidia/soc_tegra124.c:1.5
--- src/sys/arch/arm/nvidia/soc_tegra124.c:1.4 Sun May 17 06:15:50 2015
+++ src/sys/arch/arm/nvidia/soc_tegra124.c Sun May 31 14:42:56 2015
@@ -1,4 +1,4 @@
-/* $NetBSD: soc_tegra124.c,v 1.4 2015/05/17 06:15:50 matt Exp $ */
+/* $NetBSD: soc_tegra124.c,v 1.5 2015/05/31 14:42:56 jmcneill Exp $ */
/*-
* Copyright (c) 2015 Jared D. McNeill <jmcne...@invisible.ca>
@@ -30,7 +30,7 @@
#include "opt_multiprocessor.h"
#include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: soc_tegra124.c,v 1.4 2015/05/17 06:15:50 matt Exp $");
+__KERNEL_RCSID(0, "$NetBSD: soc_tegra124.c,v 1.5 2015/05/31 14:42:56 jmcneill Exp $");
#include <sys/param.h>
#include <sys/bus.h>
@@ -77,6 +77,11 @@ static struct tegra124_cpufreq_rate {
void
tegra124_cpuinit(void)
{
+ /* Set VDD_CPU voltage to 1.4V */
+ tegra_car_periph_i2c_enable(4, 204000000);
+ tegra_i2c_dvc_write(0x40, 0x4f00, 2);
+ delay(10000);
+
tegra_cpufreq_register(&tegra124_cpufreq_func);
}
