diff options
Diffstat (limited to 'meta-openbmc-mods/meta-common/recipes-kernel/linux/linux-aspeed/0056-Documentation-jtag-Add-JTAG-core-driver-ioctl-number.patch')
| -rw-r--r-- | meta-openbmc-mods/meta-common/recipes-kernel/linux/linux-aspeed/0056-Documentation-jtag-Add-JTAG-core-driver-ioctl-number.patch | 57 |
1 files changed, 57 insertions, 0 deletions
diff --git a/meta-openbmc-mods/meta-common/recipes-kernel/linux/linux-aspeed/0056-Documentation-jtag-Add-JTAG-core-driver-ioctl-number.patch b/meta-openbmc-mods/meta-common/recipes-kernel/linux/linux-aspeed/0056-Documentation-jtag-Add-JTAG-core-driver-ioctl-number.patch new file mode 100644 index 000000000..3efe2c5f3 --- /dev/null +++ b/meta-openbmc-mods/meta-common/recipes-kernel/linux/linux-aspeed/0056-Documentation-jtag-Add-JTAG-core-driver-ioctl-number.patch @@ -0,0 +1,57 @@ +From d5efb0ec2b28bc1074472ab4eaa937dcbe490f6a Mon Sep 17 00:00:00 2001 +From: "Corona, Ernesto" <ernesto.corona@intel.com> +Date: Sun, 10 Mar 2019 11:48:18 -0800 +Subject: [PATCH] Documentation jtag: Add JTAG core driver ioctl number + +JTAG class driver provide infrastructure to support hardware/software +JTAG platform drivers. It provide user layer API interface for flashing +and debugging external devices which equipped with JTAG interface +using standard transactions. + +Driver exposes set of IOCTL to user space for: +- XFER: + SIR (Scan Instruction Register, IEEE 1149.1 Data Register scan); + SDR (Scan Data Register, IEEE 1149.1 Instruction Register scan); +- GIOCSTATUS read the current TAPC state of the JTAG controller +- SIOCSTATE Forces the JTAG TAPC to go into a particular state. +- SIOCFREQ/GIOCFREQ for setting and reading JTAG frequency. +- IOCBITBANG for low level control of JTAG signals. + +Signed-off-by: Oleksandr Shamray <oleksandrs@mellanox.com> +Signed-off-by: Corona, Ernesto <ernesto.corona@intel.com> +Acked-by: Philippe Ombredanne <pombredanne@nexb.com> +Cc: Jiri Pirko <jiri@mellanox.com> +Cc: Vadim Pasternak <vadimp@mellanox.com> +Cc: Jonathan Corbet <corbet@lwn.net> +Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org> +Cc: Gustavo Pimentel <gustavo.pimentel@synopsys.com> +Cc: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com> +Cc: Kishon Vijay Abraham I <kishon@ti.com> +Cc: Darrick J. Wong <darrick.wong@oracle.com> +Cc: Bryant G. Ly <bryantly@linux.vnet.ibm.com> +Cc: Eric Sandeen <sandeen@redhat.com> +Cc: Randy Dunlap <rdunlap@infradead.org> +Cc: Tomohiro Kusumi <kusumi.tomohiro@gmail.com> +Cc: Arnd Bergmann <arnd@arndb.de> +Cc: Steven A Filary <steven.a.filary@intel.com> +Cc: Bryan Hunt <bryan.hunt@intel.com> +--- + Documentation/ioctl/ioctl-number.rst | 2 ++ + 1 file changed, 2 insertions(+) + +diff --git a/Documentation/ioctl/ioctl-number.rst b/Documentation/ioctl/ioctl-number.rst +index 7f8dcae7a230..4d25966d44e5 100644 +--- a/Documentation/ioctl/ioctl-number.rst ++++ b/Documentation/ioctl/ioctl-number.rst +@@ -332,6 +332,8 @@ Code Seq# Include File Comments + <mailto:vgo@ratio.de> + 0xB1 00-1F PPPoX + <mailto:mostrows@styx.uwaterloo.ca> ++0xB2 00-0F linux/jtag.h JTAG driver ++ <mailto:oleksandrs@mellanox.com> + 0xB3 00 linux/mmc/ioctl.h + 0xB4 00-0F linux/gpio.h <mailto:linux-gpio@vger.kernel.org> + 0xB5 00-0F uapi/linux/rpmsg.h <mailto:linux-remoteproc@vger.kernel.org> +-- +2.7.4 + |