The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Mar. 17, 2020

Filed:

Oct. 30, 2017
Applicant:

Qualcomm Incorporated, San Diego, CA (US);

Inventors:

Yanru Li, San Diego, CA (US);

Azzedine Touzni, Carlsbad, CA (US);

Dexter Tamio Chun, San Diego, CA (US);

Assignee:

Qualcomm Incorporated, San Diego, CA (US);

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G06F 1/32 (2019.01); G06F 1/3246 (2019.01); G06F 15/78 (2006.01); G06F 1/3234 (2019.01); G06F 9/4401 (2018.01); G06F 21/81 (2013.01); G06F 1/3287 (2019.01); G06F 21/79 (2013.01); G06F 21/57 (2013.01);
U.S. Cl.
CPC ...
G06F 1/3246 (2013.01); G06F 1/3243 (2013.01); G06F 1/3287 (2013.01); G06F 9/4403 (2013.01); G06F 15/7817 (2013.01); G06F 21/79 (2013.01); G06F 21/81 (2013.01); G06F 21/575 (2013.01);
Abstract

Systems and methods are disclosed for managing memory access for low-power use cases of a system on chip. One such method comprises booting a system on chip (SoC) comprising a plurality of SoC processing devices. A trusted channel is created to a secure non-volatile random access memory (NVRAM). The method determines a power-saving software program to be executed on the SoC by one of the plurality of SoC processing devices. A software image associated with the power-saving software program is loaded to the secure NVRAM. In response to loading the software image to the secure NVRAM, each of the plurality of SoC processing devices except the one executing the software image from the secure NVRAM are powered down.


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