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11 Commits

Author SHA1 Message Date
Oleksandr Tymoshenko
f1f425aea0 [rpi] rpi3 should use the same cpufreq logic as rpi2, not rpi-b 
RPi3 cpufreq is more like that on RPi2. Setting arm frequency
above min (say, "sysctl hw.cpufreq.arm_freq=600000001") turns on
turbo mode, and the firmware automatically raises voltage, sets
frequency to max 1200MHz, and throttle when overheat, etc.

Swap if/else parts and use SOC_BCM2835 def so RPi3 can share the
same cpufreq logic as RPi2, instead of falling to that for RPi.

Submitted by:	Jia-Shiun Li <jiashiun@gmail.com>
MFC after:	1 week
Differential Revision:	https://reviews.freebsd.org/D9640
 2017-03-04 17:34:36 +00:00
Andrew Turner
df7675353e Stop including fdt_common.h from the arm code when it's unneeded. 
Sponsored by:	ABT Systems Ltd
 2016-11-14 11:41:22 +00:00
Andrew Turner
87acb7f815 Use the modern spelling of ofw_bus_node_is_compatible in sys/arm. 
Sponsored by:	ABT Systems Ltd
 2016-11-11 15:13:30 +00:00
Emmanuel Vadot
e374c33592 bcm2835_cpufreq: Only attach driver if we correcly match on the machine 
compatible string.
 2016-09-30 10:00:57 +00:00
Luiz Otavio O Souza
9d6672e13b Fix the deciKelvin to Celsius conversion in kernel. 
After r285994, sysctl(8) was fixed to use 273.15 instead of 273.20 as 0C
reference and as result, the temperature read in sysctl(8) now exibits a
+0.1C difference.

This commit fix the kernel references to match the reference value used in
sysctl(8) after r285994.

Sponsored by:	Rubicon Communications (Netgate)
 2016-05-22 13:58:32 +00:00
Oleksandr Tymoshenko
cd3903c620 Refactor bcm2835_cpufreq to use bcm2835_mbox_property API 2015-11-11 00:45:41 +00:00
Luiz Otavio O Souza
962940ce6c Add the SMP support for Raspberry Pi 2 (BCM2836). 
Tested with the build of some ports and a buildworld.

Submitted by:	Daisuke Aoyama <aoyama@peach.ne.jp>
 2015-05-07 22:11:44 +00:00
Luiz Otavio O Souza
11cede4873 Fix the voltage and clock levels for cpufreq on RPi 2. 
Submitted by:	Daisuke Aoyama <aoyama@peach.ne.jp>
 2015-05-04 00:01:35 +00:00
Luiz Otavio O Souza
e4b6eaf73a Fix the C -> K temperature conversion for the dev.cpu.0.temperature sysctl. 
Previous code was discarding the last digit.

Remove the unused temperature conversion macros.
 2015-01-15 01:05:05 +00:00
Luiz Otavio O Souza
e9faba9d70 Make consistent use of the correct debug macros across the file. 2014-12-27 13:17:27 +00:00
Rui Paulo
b9450e431d Driver for CPU frequency/voltage control on the Raspberry Pi. 
Differential Revision:	https://reviews.freebsd.org/D1025
Submitted by:	Daisuke Aoyama aoyama@peach.ne.jp
Reviewed by:	ian (earlier version), rpaulo
MFC after:	1 month
Relnotes:	yes
 2014-12-20 19:15:10 +00:00