Qfprom qualcomm. ru/b2jxva/flight-1549-passengers.
9 V) STEP 9: Read | QFPROM_BLOW_STATUS register [PATCH v4 07/10] eeprom: qfprom: Add Qualcomm QFPROM support. . com>. 2023 16:18, Komal Bajaj wrote: > For some of the Qualcomm SoC's, it is possible that > some of the fuse regions or entire qfprom region is > protected from non-secure access. This includes bricked devices in 9008 mode. On 23. You are changing kernel-wide defconfig, not some Qualcomm downstream stuff. On MSM parts there are some efuses (called qfprom) these fuses store {"payload":{"allShortcutsEnabled":false,"fileTree":{"drivers/nvmem":{"items":[{"name":"layouts","path":"drivers/nvmem/layouts","contentType":"directory"},{"name * [PATCH v3 1/4] dt-bindings: nvmem: qfprom: Add optional power-domains property 2021-07-30 6:46 [PATCH v3 0/4] nvmem: qfprom: Add binding updates and power-domain handling Rajendra Nayak @ 2021-07-30 6:46 ` Rajendra Nayak 2021-08-03 19:38 ` Rob Herring 2021-07-30 6:46 ` [PATCH v3 2/4] nvmem: qfprom: Fix up qfprom_disable_fuse_blowing From: Komal Bajaj <quic_kbajaj@xxxxxxxxxxx> For some of the Qualcomm SoC's, it is possible that some of the fuse regions or entire qfprom region is Srinivas, On Fri, Jul 10, 2020 at 7:35 AM Douglas Anderson <dianders@xxxxxxxxxxxx> wrote: > > This series enables blowing of fuses on Qualcomm SoCs by extending the > existing qfprom driver with write support. Tested Boards: Qualcomm / Thundercomm RB5. > Based on the recent addition of llcc and qfprom nodes I'm _guessing_ Aug 14, 2023 · From: Srinivas Kandagatla <> Subject [PATCH 17/22] nvmem: sec-qfprom: Add Qualcomm secure QFPROM support: Date: Mon, 14 Aug 2023 17:52:47 +0100 +config QCOM_QFPROM + tristate "QCOM QFPROM Support" + depends on ARCH_QCOM || COMPILE_TEST + select REGMAP_MMIO + help + Say y here to enable QFPROM support. In such situations, Qualcomm Technologies, Inc. Fixes: openwrt#14115 Fixes: 52c365f ("kernel: backport v6. edl printgpt --loader=Loaders/qualcomm/patched/mdm9x5x/NPRG9x55p. It makes use of the debugfs, not sure if you need to have debug on HIGH (*#9900#, then select DEBUG LEVEL HIGH if it doesn't work. Qualcomm patented technologies are licensed by Qualcomm Incorporated. No risk of danger or anything with this. If so, the module + will be called eeprom-qfprom. Jun 22, 2020 · Hi, On Mon, Jun 22, 2020 at 7:49 AM Douglas Anderson <dianders@chromium. Jul 24, 2023 · For some of the Qualcomm SoC's, it is possible that some of the fuse regions or entire qfprom region is protected from non-secure access. A few notes: - Though I don't have any firsthand knowledge of it, it's my This patch adds QFPROM support driver which is used by other drivers like thermal sensor and cpufreq. My Account. org Subject: [PATCH v8 6/9] nvmem: qfprom: Add Qualcomm QFPROM support. 1 and Section 3. - qfprom-kmod/qfprom. A few notes: - Though I don't have any firsthand knowledge of it, it's my understanding that these changes could be used on any Qualcomm SoC. kandagatla@linaro. References to "Qualcomm" may mean Qualcomm Incorporated, or subsidiaries or business units within the Qualcomm corporate structure, as applicable. In such situations, thermal, qfprom… Data connectivity part of new Qualcomm audio SDK Snapdragon laptops: Backlight, battery, Type-C controllers, (Embedded) DisplayPort, PCIe, low Jan 17, 2014 · If you’re familiar with programmable read-only memory (PROM) or one-time programmable non-volatile memory (OTP NVM) then understanding the concept of qfusing on Qualcomm MSM chips should be trivial. In such situations, On MSM parts there are some efuses (called qfprom) these fuses store things like calibration data, speed bins. pm8150; pm8150b; pm8150l; pm8009; Return to Home Page * [PATCH v5 0/4] nvmem: qfprom: Patches for fuse blowing on Qualcomm SoCs @ 2020-07-10 14:35 Douglas Anderson 2020-07-10 14:35 ` [PATCH v5 1/4] dt-bindings: nvmem: qfprom: Convert to yaml Douglas Anderson ` (4 more replies) 0 siblings, 5 replies; 6+ messages in thread From: Douglas Anderson @ 2020-07-10 14:35 UTC (permalink / raw) To: Srinivas Qualcomm Technologies, Inc. The authenticity of the image is verified by use digital signatures and certificate chain. fr> [ improve commit description and title ] Signed-off-by: Christian Marangi <ansuelsmth@gmail. In such situations, Qualcomm internally utilizes a 16kb bank of one time programmable fuses (named QFPROM by the manufacturer) on the Snapdragon S4 Pro SoC (MSM8960) as well as the other processors manufactured. Re: [PATCH v5 2/2] nvmem: sec-qfprom: Add Qualcomm secure QFPROM support From: Mukesh Ojha Date: Thu Jul 27 2023 - 02:39:36 EST Next message: Chen Yu: "[RFC PATCH 5/7] sched/fair: Adjust the busiest group scanning depth in idle load balance" This patch adds QFPROM support driver which is used by other drivers like thermal sensor and cpufreq. Qualcomm® Snapdragon™ 410E (APQ 8016E) processor Device Specification Contents LM80-P0436-7 Rev. If so, the module + will be called nvmem On 7/27/2023 12:09 PM, Mukesh Ojha wrote: Hi, Some questions, may not need to be addressed if the reason is known On 7/24/2023 2:08 PM, Komal Bajaj wrote: Qualcomm Technologies, Inc. You need to enable JavaScript to run this app. c at master · ghassani/qfprom-kmod Snapdragon 8cx Gen 3. If so, the module + will be called nvmem On 23. com> Qualcomm Technologies, Inc. is a member case for the qfprom is in-kernel access to certain elements and that we You need to enable JavaScript to run this app. 1 In reply to: Mukesh Ojha: "Re: [PATCH v5 2/2] nvmem: sec-qfprom: Add Qualcomm secure QFPROM support" Next in thread: Srinivas Kandagatla: "Re: [PATCH v5 2/2] nvmem: sec-qfprom: Add Qualcomm secure QFPROM support" Messages sorted by: +config QCOM_QFPROM + tristate "QCOM QFPROM Support" + depends on ARCH_QCOM || COMPILE_TEST + select REGMAP_MMIO + help + Say y here to enable QFPROM support. 1 tool,, main problem is my phone model. " Next in thread: Srinivas Kandagatla: "[PATCH v1 6/6] eeprom: Add to MAINTAINERS for eeprom framework" Messages sorted by: On 10/07/2020 15:35, Douglas Anderson wrote: This series enables blowing of fuses on Qualcomm SoCs by extending the existing qfprom driver with write support. org Qualcomm Technologies, Inc. org> > > This patch adds support for blowing fuses to the qfprom driver if the > required properties are defined in the device tree. If so, the module + will be called nvmem Qualcomm® Fingerprint Sensors USB-C detection Qualcomm® Hexagon™ DSP V56 QPA4340 PA WSA8810/ WSA8815 QPA4373 PA Qualcomm® Adreno™ DPU *Notes: Qualcomm continues the support on SDM450/SDA450 + PM8953 + PMI8952 platform with Android P (OTA Upgrades only) Qualcomm will support SDM450/SDA450 + PM8953 + PMI632 for new launches with O MR1 and P QUALCOMM INDIA, on behalf of Qualcomm Innovation Center, Inc. Jul 20, 2015 · From: Srinivas Kandagatla <> Subject [PATCH v8 6/9] nvmem: qfprom: Add Qualcomm QFPROM support. kozlowski+dt-AT-linaro. etc which is stored by qfprom efuses. Re: [PATCH v5 0/4] nvmem: qfprom: Patches for fuse blowing on Qualcomm SoCs From: Doug Anderson Date: Tue Jul 14 2020 - 18:55:06 EST Next message: Bjorn Andersson: "Re: [Freedreno] [PATCH 0/9] drm/msm: Avoid possible infinite probe deferral and speed booting" Jul 24, 2023 · nvmem: sec-qfprom: Add Qualcomm secure QFPROM support. infradead. + endif Qualcomm Technologies, Inc. To: <agross-AT-kernel. Qualcomm Innovation Center, Inc. It only will allow signed applets and Revision history Revision Date Description A June 1, 2015 Initial Release B February 10, 2016 Removed Figure 3. On 6/23/2023 8:23 PM, Konrad Dybcio wrote: On 23. kandagatla-AT-linaro. QSEECOM: A linux kernel driver that lets us communicate with TrustZone, and issue an SCM call to TrustZone to do things like blow fuses. Sep 17, 2018 · EFUSE: Software based fuse whose data is stored in QFPROM; QFPROM: Qualcomm’s fuse region; TrustZone: Qualcomm ARM chipset’s “Secure World” implementation; QSEECOM: A linux kernel driver that lets us communicate with TrustZone, and issue an SCM call to TrustZone to do things like blow fuses. org>, <konrad. Qualcomm MDM9150, Qualcomm SA415M, Qualcomm SA515M and Qualcomm Multi Frequency GNSS are products of Qualcomm Technologies, Inc. Aug 23, 2018 · Qualcomm Snapdragon processors support secure boot which ensures only authenticated software runs on the device. It only will allow signed applets and approved calls to be made. 1 has not 'include/linux/firmware' directory yet. , a wholly-owned subsidiary of Qualcomm Incorporated, operates, along with its subsidiaries, substantially all of Qualcomm's engineering, research and development functions, and substantially all of its products and services businesses. Dec 2, 2023 · The backported patch is broken, since kernel 6. Qualcomm Technologies, Inc. org>, <krzysztof. In such situations, +config QCOM_QFPROM + tristate "QCOM QFPROM Support" + depends on ARCH_QCOM || COMPILE_TEST + select REGMAP_MMIO + help + Say y here to enable QFPROM support. > > Signed-off-by: Ravi Kumar Bokka <rbokka@codeaurora. 2023 16:18, Komal Bajaj wrote: For some of the Qualcomm SoC's, it is possible that some of the fuse regions or entire qfprom region is On 23. For some of the Qualcomm SoC's, it is possible that some of the fuse regions or entire qfprom region is protected from non-secure access. In such situations, +config QCOM_QFPROM + tristate "QCOM QFPROM Support" + depends on ARCH_QCOM + select REGMAP_MMIO + help + Say y here to enable QFPROM support. dybcio-AT-linaro. MAY CONTAIN U. Fix the include to the correct path. Date: Tue, 24 Mar 2015 22:30:55 +0000 For some of the Qualcomm SoC's, it is possible that some of the fuse regions or entire qfprom region is protected from non-secure access. org>, <conor+dt-AT-kernel. +config QCOM_QFPROM + tristate "QCOM QFPROM Support" + depends on ARCH_QCOM || COMPILE_TEST + select REGMAP_MMIO + help + Say y here to enable QFPROM support. * [PATCH v3 0/4] nvmem: qfprom: Patches for fuse blowing on Qualcomm SoCs @ 2020-06-17 14:51 Douglas Anderson 2020-06-17 14:51 ` [PATCH v3 1/4] dt-bindings: nvmem: qfprom: Convert to yaml Douglas Anderson ` (3 more replies) 0 siblings, 4 replies; 22+ messages in thread From: Douglas Anderson @ 2020-06-17 14:51 UTC (permalink / raw) To: Srinivas sahara is a GUI tool for working with devices in Qualcomm DLOAD mode. With these pieces of cryptographic components and architecture in place, the authenticity of the boot up software and secure applications is validated. 1. On MSM parts there are some efuses (called qfprom) these fuses store things like calibration data, speed bins. In layman’s terms, Qualcomm implemented a security… In reply to: Mukesh Ojha: "Re: [PATCH v5 2/2] nvmem: sec-qfprom: Add Qualcomm secure QFPROM support" Next in thread: Srinivas Kandagatla: "Re: [PATCH v5 2/2] nvmem: sec-qfprom: Add Qualcomm secure QFPROM support" Messages sorted by: Qualcomm Technologies, Inc. Note: Certain services and materials may require you to accept additional terms and conditions before accessing or using those items. sahara is a GUI tool for working with devices in Qualcomm DLOAD mode. Features Qualcomm® MDM9150 Qualcomm® SA415M Qualcomm® SA515M GNSS Engine Gen9v1 Gen9v2 Gen9v4 GNSS Frequencies L1 L1, L2, L5 GNSS Constellations GPS, GLO, GAL, BDS, QZSS GPS, GLO, GAL, BDS Snapdragon X Elite To start Secure Boot, the program tool QFPROM is required. and/or its subsidiaries. (HW_ID & SW_ID are stored in the QFPROM in reversed byte order, o_key & i_key use the original byte order) Other devices have different o_key_pad and i_key_pad construction and length (can be either 8 or 64 bytes). These fuses, though publicly undocumented, are purported to hold the bulk of inter-chip configuration settings as well as the cryptographic keys to the Srinivas, On Fri, Jul 10, 2020 at 7:35 AM Douglas Anderson <dianders@xxxxxxxxxxxx> wrote: > > This series enables blowing of fuses on Qualcomm SoCs by extending the > existing qfprom driver with write support. Re: [PATCH v5 2/2] nvmem: sec-qfprom: Add Qualcomm secure QFPROM support From: Mukesh Ojha Date: Thu Jul 27 2023 - 02:39:36 EST Next message: Chen Yu: "[RFC PATCH 5/7] sched/fair: Adjust the busiest group scanning depth in idle load balance" Qualcomm Technologies, Inc. - Split commit 6/6 in the previous series into two commits. Yes folks, they messed up the PBL. So, ARB is no longer a problem (at least until they read this and change it in the PBL of the SD850 or SD855 or whatever. This is a public inbox, see mirroring instructions for how to clone and mirror all data and code used for this inbox; as well as URLs for NNTP newsgroup(s). It should be noted that devices that are hard bricked and in Sahara mode (Qualcomm USB PID 9008) and have secure boot enabled (pretty much EVERY production device) will only accept signed programmers. From: Komal Bajaj <quic_kbajaj-AT-quicinc. A kernel module to read/write QFPROM rows on Qualcomm SoC devices with TCP server support. The thing is huge, there is more than enough space that a vendor could update the key (it is a 2048 bit RSA key -- NOT an SHA1 hash), but more importantly it is 32k. Secure boot provides a foundation for the security architecture of the device. Tested Boards: Lenovo X13s, SA8540P Snapdragon Ride (Qdrive-3), Qualcomm SA8295P ADP Next in thread: Srinivas Kandagatla: "Re: [PATCH v5 08/11] nvmem: qfprom: Add Qualcomm QFPROM support. regmap_config = &qfprom_regmap_config, To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@xxxxxxxxxxxxxxx Jul 27, 2023 · Hi, Some questions, may not need to be addressed if the reason is known On 7/24/2023 2:08 PM, Komal Bajaj wrote: > For some of the Qualcomm SoC's, it is possible that Qualcomm Technologies, Inc. WARNING: multiple messages have this Message-ID ()From: srinivas. > > Currently, LLCC is the only user of secure QFPROM, and hence > setting CONFIG_NVMEM_QCOM_SEC_QFPROM as module to the convenience > of LLCC module. Itried to recover it using SmartBootDiagv1. Drivers like cpufreq, thermal sensors would read out this data for configuring the driver. 5) Security Target This Security Target is defined for the Qualcomm® Secure Processor Unit (SPU260 Qualcomm Technologies, Inc. org (Srinivas Kandagatla) To: linux-arm-kernel@lists. From: Srinivas Kandagatla Date: Mon Mar 30 2015 - 17:58:42 EST. Apr 23, 2014 · It's possible to dump the TrustZone and QSEE (Qualcomm Secure Extension Environment) logs. In such situations, Qualcomm Secure Boot - Secondary Executable Verifier - QualcommSecureBoot-SecondaryExecutableVerifier/Readme. org>, <srinivas. From: Srinivas Kandagatla Date: Thu Feb 19 2015 - 12:09:06 EST Next message: Torsten Fleischer: "[PATCH v2 1/2] dma: at_hdmac: Fix calculation of the residual bytes" Previous message: Srinivas Kandagatla: "[RFC PATCH 2/3] eeprom: sunxi: Move the SID driver to the eeprom framework" This patch series adds qfprom-efuse controller driver support. Supported PMICs. In reply to: Paul Bolle: "Re: [PATCH v1 5/6] eeprom: qfprom: Add Qualcomm QFPROM support. The QFPROM provides access + functions for QFPROM data to rest of the drivers via nvmem interface. bin, device will reboot to 0x9008; now use edl regulary such as edl printgpt (do not use loader option) On Thu, 2015-03-05 at 09:46 +0000, Srinivas Kandagatla wrote: > diff --git a/drivers/eeprom/Kconfig b/drivers/eeprom/Kconfig > index bff8ecb. 65325c7 100644 >--- a/drivers/eeprom/Kconfig This patch adds QFPROM support driver which is used by other drivers like thermal sensor and cpufreq. Secure boot is not guaranteed without blowing a series of eFuses (named QFPROM by Qualcomm) in addition to the images being signed. QFPROM - Qualcomm fuse-programmable read-only memory QFROM - Qualcomm fuse programmable read-only memory QGIC2 - Qualcomm generic interrupt controller; compliant to ARM GIC v2. mirroring Sep 17, 2018 · QFPROM: Qualcomm’s fuse region. From: Komal Bajaj <quic_kbajaj@xxxxxxxxxxx> For some of the Qualcomm SoC's, it is possible that some of the fuse regions or entire qfprom region is QFPROM (Qualcomm Fuse Programmable Read Only Memory)是QFUSE的替代方案，在一個非易失性ROM（non-volatile memory）中儲存代表晶片鑑權相關的配置。 目前初步瞭解的情況為，該模組是Secure Boot的一部分，儲存的配置為各Image鑑權需要的數字證書及相關屬性。 80-NU430-16 Rev. AA MAY CONTAIN U. The QFPROM provides access + functions for QFPROM data to rest of the drivers via eeprom interface. [RFC PATCH 3/3] eeprom: qfprom: Add Qualcomm QFPROM support. Jun 20, 2024 · > overhead to all other targets (Qualcomm and non-Qualcomm) so the desire > to keep anything that can module outweigh such convenience. S. *PATCH v3 2/4] dt-bindings: nvmem: Add properties needed for blowing fuses 2020-06-17 14:51 [PATCH v3 0/4] nvmem: qfprom: Patches for fuse blowing on Qualcomm SoCs Douglas On Fri, May 12, 2023 at 05:51:25PM +0530, Komal Bajaj wrote: > For some of the Qualcomm SoC's, it is possible that > some of the fuse regions or entire qfprom region is > protected from non-secure access. This patch adds QFPROM support driver which is used by other drivers like thermal sensor and cpufreq. + . md at master · TalAloni/QualcommSecureBoot-SecondaryExecutableVerifier A kernel module to read/write QFPROM rows on Qualcomm SoC devices with TCP server support. Jun 19, 2024 · overhead to all other targets (Qualcomm and non-Qualcomm) so the desire to keep anything that can module outweigh such convenience. " In reply to: Srinivas Kandagatla: " This series enables blowing of fuses on Qualcomm SoCs by extending the existing qfprom driver with write support. AND INTERNATIONAL EXPORT CONTROLLED INFORMATION 7 1 Introduction to SPU260 (v5. Configure QFPROM and then blow the fuse, to Re: [PATCH v5 2/2] nvmem: sec-qfprom: Add Qualcomm secure QFPROM support From: Srinivas Kandagatla Date: Thu Jul 27 2023 - 06:44:16 EST Next message: Vladimir Oltean: "Re: [PATCH net-next v4] net: dsa: mv88e6xxx: Add erratum 3. If so, the module + will be called nvmem On 7/27/2023 12:09 PM, Mukesh Ojha wrote: Hi, Some questions, may not need to be addressed if the reason is known On 7/24/2023 2:08 PM, Komal Bajaj wrote: Oct 2, 2018 · Qualcomm cheaped out HUGE. " Messages sorted by: On 05/21/2015 09:44 AM, Srinivas * [PATCH v3 0/4] nvmem: qfprom: Patches for fuse blowing on Qualcomm SoCs @ 2020-06-17 14:51 Douglas Anderson 2020-06-17 14:51 ` [PATCH v3 1/4] dt-bindings: nvmem: qfprom: Convert to yaml Douglas Anderson ` (3 more replies) 0 siblings, 4 replies; 22+ messages in thread From: Douglas Anderson @ 2020-06-17 14:51 UTC (permalink / raw) To: Srinivas On MSM parts there are some efuses (called qfprom) these fuses store things like calibration data, speed bins. AND INTERNATIONAL EXPORT CONTROLLED INFORMATION 5 Qualcomm patented technologies are licensed by Qualcomm Incorporated. 3. ) Mar 13, 2015 · This patch adds QFPROM support driver which is used by other drivers like thermal sensor and cpufreq. Date: Fri, 10 Jul 2015 10:45:29 +0100 On Thu, 2015-03-05 at 09:46 +0000, Srinivas Kandagatla wrote: > diff --git a/drivers/eeprom/Kconfig b/drivers/eeprom/Kconfig > index bff8ecb. Based on the recent addition of llcc and qfprom nodes I'm _guessing_ Snapdragon 8 Gen 3 * [PATCH v3 0/4] nvmem: qfprom: Patches for fuse blowing on Qualcomm SoCs @ 2020-06-17 14:51 Douglas Anderson 2020-06-17 14:51 ` [PATCH v3 1/4] dt-bindings: nvmem: qfprom: Convert to yaml Douglas Anderson ` (3 more replies) 0 siblings, 4 replies; 22+ messages in thread From: Douglas Anderson @ 2020-06-17 14:51 UTC (permalink / raw) To: Srinivas May 12, 2020 · This patch series adds qfprom-efuse controller driver support. The current existed qfprom driver is only supports for cpufreq, thermal sensors drivers by read out calibration data, speed bins. org> > Signed-off-by: Douglas Anderson <dianders@chromium. C MAY CONTAIN U. 0 spec Previous message: Srinivas Kandagatla: "[PATCH v6 6/9] nvmem: qfprom: Add Qualcomm QFPROM support. org> wrote: > > From: Ravi Kumar Bokka <rbokka@codeaurora. A sticker *PATCH v4 2/4] dt-bindings: nvmem: Add properties needed for blowing fuses 2020-06-22 14:49 [PATCH v4 0/4] nvmem: qfprom: Patches for fuse blowing on Qualcomm SoCs Douglas Qualcomm Technologies, Inc. No boot/ led/download mode. [PATCH v4 07/10] eeprom: qfprom: Add Qualcomm QFPROM support. - Created a wrapper struct with a pointer to qcom_llcc_config and length of array qcom_llcc_config. From: Srinivas Kandagatla Date: Mon Mar 30 2015 - 17:58:42 EST > Enable the secure QFPROM driver used by Qualcomm QDU1000 > platform to read the secure qfprom region allowing LLCC driver > to get the DDR channel configuration. From: Komal Bajaj <quic_kbajaj@xxxxxxxxxxx> For some of the Qualcomm SoC's, it is possible that some of the fuse regions or entire qfprom region is Overview. etc. org>, <andersson-AT-kernel. is a member of Code Aurora Forum, a Linux Foundation Collaborative Project To unsubscribe from this list: send the line "unsubscribe linux-kernel" in Qualcomm’s Chain of Trust WRITTEN ON SEPTEMBER 17, 2018 BY NOLEN JOHNSON (@NPJOHNSON) The Qualcomm chain-of-trust is a complex, yet straightforward to understand set of processes. This may benefit the right people. Snapdragon 865. > > [] Applied, thanks! Qualcomm Technologies, Inc. Secure boot process overview On Qualcomm processors the first piece of software that Aug 1, 2023 · For some of the Qualcomm SoC's, it is possible that some of the fuse regions or entire qfprom region is protected from non-secure access. 06. For those who are not familiar, briefly speaking, Qualcomm uses OTP NVM for their security architecture in their modem chips. Aug 10, 2023 · Changes in v5 - - Separated out the secure qfprom driver changes to a separate series [1]. + + This driver can also be built as a module. org>, <robh+dt-AT-kernel. Date: Mon, 20 Jul 2015 15:44:05 +0100 On Fri, Jun 23, 2023 at 07:48:03PM +0530, Komal Bajaj wrote: > For some of the Qualcomm SoC's, it is possible that > some of the fuse regions or entire qfprom region is > protected from non-secure access. Subject: EDIT1: The PBL is not a separate chip, it is in the Qualcomm CPU (QFPROM) -- This is also where the qfuses are located. - Added stub function for nvmem_cell_read_u8. By configuring the processor for secure boot, unauthorized or modified code is prevented from being run. This driver can access the raw qfprom regions for fuse blowing. QFPROM is used to store, in NVROM, configurations related to chip authentication and can implement the secure environment required by Secure Boot. Jul 10, 2015 · From: Srinivas Kandagatla <> Subject [PATCH v7 6/9] nvmem: qfprom: Add Qualcomm QFPROM support. mirroring Enable the secure QFPROM driver which is used by QDU1000 Qualcomm QDU1000. 6 nvmem changes") Signed-off-by: Andrey VOLKOV <andrey@volkov. 80-NL239-45 A 50 Confidential and Proprietary — Qualcomm Technologies, Inc. Only shows Qualcomm HS-UDB QDLoader 9008 port 7, when connected to laptop. The PBL is in QFPROM. AND INTERNATIONAL EXPORT CONTROLLED INFORMATION FP ROM Programmin STEP 1: Set QFPROM_BLOW_TIMER so A that fuse blow time is : 4us STEP 8: SR éi Write to the OFPROM address STEP 2: Enable VREG L6 | (1. Mar 24, 2015 · From: Srinivas Kandagatla <> Subject [PATCH v3 7/9] eeprom: qfprom: Add Qualcomm QFPROM support. Technically, secure boot is defined as a boot sequence in which each software image that is loaded and executed on a device is authorized using software previously authorized by this system. In such situations, For some of the Qualcomm SoC's, it is possible that some of the fuse regions or entire qfprom region is protected from non-secure access. You can't fix that with software. TrustZone: Qualcomm ARM chipset’s “Secure World” implementation. Many of you have likely heard the term “bootloader” but have no clue what it actually is, or does. org>. 14 for 88E6390X and 88E6190X" Aug 1, 2016 · when i upgrade my LG G3 to android M,it went dead. This series enables blowing of fuses on Qualcomm SoCs by extending the existing qfprom driver with write support. * [PATCH v3 0/4] nvmem: qfprom: Patches for fuse blowing on Qualcomm SoCs @ 2020-06-17 14:51 Douglas Anderson 2020-06-17 14:51 ` [PATCH v3 1/4] dt-bindings: nvmem: qfprom: Convert to yaml Douglas Anderson ` (3 more replies) 0 siblings, 4 replies; 22+ messages in thread From: Douglas Anderson @ 2020-06-17 14:51 UTC (permalink / raw) To: Srinivas For some of the Qualcomm SoC's, it is possible that some of the fuse regions or entire qfprom region is protected from non-secure access. anrplemv qfth tjl yhe kplams yos tdjxi vxvp uvk yalsc