On Tue, 18 Feb 2020 17:38:25 +0100 Jonathan Neuschäfer <j.neuschaefer@xxxxxxx> wrote: > Signed-off-by: Jonathan Neuschäfer <j.neuschaefer@xxxxxxx> > --- > Documentation/arm/tcm.rst | 6 +++--- > 1 file 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@xxxxxxxxxxxxxx> > > -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 Applied, thanks. jon
