lists.openwall.net | lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening PHC | |
Open Source and information security mailing list archives
| ||
|
Date: Mon, 17 Feb 2020 17:55:27 +0100 From: "H. Nikolaus Schaller" <hns@...delico.com> To: PrasannaKumar Muralidharan <prasannatsmkumar@...il.com>, Paul Cercueil <paul@...pouillou.net>, Mathieu Malaterre <malat@...ian.org>, Srinivas Kandagatla <srinivas.kandagatla@...aro.org>, Rob Herring <robh+dt@...nel.org>, Mark Rutland <mark.rutland@....com>, Ralf Baechle <ralf@...ux-mips.org>, Paul Burton <paulburton@...nel.org>, Mauro Carvalho Chehab <mchehab+samsung@...nel.org>, "David S. Miller" <davem@...emloft.net>, Greg Kroah-Hartman <gregkh@...uxfoundation.org>, Jonathan Cameron <Jonathan.Cameron@...wei.com>, "H. Nikolaus Schaller" <hns@...delico.com>, Krzysztof Kozlowski <krzk@...nel.org>, Kees Cook <keescook@...omium.org>, Andi Kleen <ak@...ux.intel.com>, Geert Uytterhoeven <geert+renesas@...der.be> Cc: linux-kernel@...r.kernel.org, devicetree@...r.kernel.org, linux-mips@...r.kernel.org, letux-kernel@...nphoenux.org, kernel@...a-handheld.com Subject: [RFC v4 3/6] Documentation: ABI: nvmem: add documentation for JZ4780 efuse ABI From: PrasannaKumar Muralidharan <prasannatsmkumar@...il.com> This patch brings support for the JZ4780 efuse. Currently it only expose a read only access to the entire 8K bits efuse memory. Tested-by: Mathieu Malaterre <malat@...ian.org> Signed-off-by: PrasannaKumar Muralidharan <prasannatsmkumar@...il.com> Signed-off-by: Mathieu Malaterre <malat@...ian.org> --- .../ABI/testing/sysfs-driver-jz4780-efuse | 16 ++++++++++++++++ 1 file changed, 16 insertions(+) create mode 100644 Documentation/ABI/testing/sysfs-driver-jz4780-efuse diff --git a/Documentation/ABI/testing/sysfs-driver-jz4780-efuse b/Documentation/ABI/testing/sysfs-driver-jz4780-efuse new file mode 100644 index 000000000000..bb6f5d6ceea0 --- /dev/null +++ b/Documentation/ABI/testing/sysfs-driver-jz4780-efuse @@ -0,0 +1,16 @@ +What: /sys/devices/*/<our-device>/nvmem +Date: December 2017 +Contact: PrasannaKumar Muralidharan <prasannatsmkumar@...il.com> +Description: read-only access to the efuse on the Ingenic JZ4780 SoC + The SoC has a one time programmable 8K efuse that is + split into segments. The driver supports read only. + The segments are + 0x000 64 bit Random Number + 0x008 128 bit Ingenic Chip ID + 0x018 128 bit Customer ID + 0x028 3520 bit Reserved + 0x1E0 8 bit Protect Segment + 0x1E1 2296 bit HDMI Key + 0x300 2048 bit Security boot key +Users: any user space application which wants to read the Chip + and Customer ID -- 2.23.0
Powered by blists - more mailing lists