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authorLinus Torvalds <torvalds@linux-foundation.org>2020-03-30 12:45:23 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2020-03-30 12:45:23 -0700
commit481ed297d900af0ce395f6ca8975903b76a5a59e (patch)
treee3862e9993cd8e2245c5a6d632f45dd3f77d1d62 /Documentation/arm/tcm.rst
parente59cd88028dbd41472453e5883f78330aa73c56e (diff)
parentabcb1e021ae5a36374c635eeaba5cec733169b78 (diff)
Merge tag 'docs-5.7' of git://git.lwn.net/linux
Pull documentation updates from Jonathan Corbet: "This has been a busy cycle for documentation work. Highlights include: - Lots of RST conversion work by Mauro, Daniel ALmeida, and others. Maybe someday we'll get to the end of this stuff...maybe... - Some organizational work to bring some order to the core-api manual. - Various new docs and additions to the existing documentation. - Typo fixes, warning fixes, ..." * tag 'docs-5.7' of git://git.lwn.net/linux: (123 commits) Documentation: x86: exception-tables: document CONFIG_BUILDTIME_TABLE_SORT MAINTAINERS: adjust to filesystem doc ReST conversion docs: deprecated.rst: Add BUG()-family doc: zh_CN: add translation for virtiofs doc: zh_CN: index files in filesystems subdirectory docs: locking: Drop :c:func: throughout docs: locking: Add 'need' to hardirq section docs: conf.py: avoid thousands of duplicate label warning on Sphinx docs: prevent warnings due to autosectionlabel docs: fix reference to core-api/namespaces.rst docs: fix pointers to io-mapping.rst and io_ordering.rst files Documentation: Better document the softlockup_panic sysctl docs: hw-vuln: tsx_async_abort.rst: get rid of an unused ref docs: perf: imx-ddr.rst: get rid of a warning docs: filesystems: fuse.rst: supress a Sphinx warning docs: translations: it: avoid duplicate refs at programming-language.rst docs: driver.rst: supress two ReSt warnings docs: trace: events.rst: convert some new stuff to ReST format Documentation: Add io_ordering.rst to driver-api manual Documentation: Add io-mapping.rst to driver-api manual ...
Diffstat (limited to 'Documentation/arm/tcm.rst')
-rw-r--r--Documentation/arm/tcm.rst6
1 files changed, 3 insertions, 3 deletions
diff --git a/Documentation/arm/tcm.rst b/Documentation/arm/tcm.rst
index effd9c7bc968..b256f9783883 100644
--- a/Documentation/arm/tcm.rst
+++ b/Documentation/arm/tcm.rst
@@ -4,18 +4,18 @@ ARM TCM (Tightly-Coupled Memory) handling in Linux
Written by Linus Walleij <linus.walleij@stericsson.com>
-Some ARM SoC:s have a so-called TCM (Tightly-Coupled Memory).
+Some ARM SoCs have a so-called TCM (Tightly-Coupled Memory).
This is usually just a few (4-64) KiB of RAM inside the ARM
processor.
-Due to being embedded inside the CPU The TCM has a
+Due to being embedded inside the CPU, the TCM has a
Harvard-architecture, so there is an ITCM (instruction TCM)
and a DTCM (data TCM). The DTCM can not contain any
instructions, but the ITCM can actually contain data.
The size of DTCM or ITCM is minimum 4KiB so the typical
minimum configuration is 4KiB ITCM and 4KiB DTCM.
-ARM CPU:s have special registers to read out status, physical
+ARM CPUs have special registers to read out status, physical
location and size of TCM memories. arch/arm/include/asm/cputype.h
defines a CPUID_TCM register that you can read out from the
system control coprocessor. Documentation from ARM can be found