u-boot.git/cmd/x86, branch v2020.10

x86: mtrr: Fix parsing of "mtrr list" command

2020-09-01T05:24:45+00:00

The command 'mtrr' does not recognize the 'list' subcommand any more
since the code restructuring in commit b2a76b3fe75a ("x86: mtrr:
Restructure so command execution is in one place").

The if-else parsing the command arguments does not take 'list' into
account: the if-branch is intended for no subcommands, the else-branch
is intended for the non-list subcommands (which all expect additional
arguments). Calling the 'mtrr list' subcommand leads to a "return
CMD_RET_USAGE" in the else-branch.

Fix this by changing the else-branch to explicitly checking for
if (cmd != 'l').

Fixes: b2a76b3fe75a ("x86: mtrr: Restructure so command execution is in one place")
Signed-off-by: Wolfgang Wallner 
Reviewed-by: Simon Glass 
Reviewed-by: Bin Meng 
Tested-by: Bin Meng

x86: mtrr: Enhance 'mtrr' command to list MTRRs on any CPU

2020-07-20T01:46:48+00:00

Update this command so it can list the MTRRs on a selected CPU. If
'-c all' is used, then all CPUs are listed.

Signed-off-by: Simon Glass 
Reviewed-by: Wolfgang Wallner 
Reviewed-by: Bin Meng 
Tested-by: Bin Meng

x86: mtrr: Update 'mtrr' to allow setting MTRRs on any CPU

2020-07-20T01:46:48+00:00

Add a -c option to mtrr to allow any CPU to be updated with this command.

Signed-off-by: Simon Glass 
Reviewed-by: Wolfgang Wallner 
Reviewed-by: Bin Meng

x86: mtrr: Restructure so command execution is in one place

2020-07-20T01:46:48+00:00

At present do_mtrr() does the 'list' subcommand at the top and the rest
below. Update it to do them all in the same place so we can (in a later
patch) add parsing of the CPU number for all subcommands.

Signed-off-by: Simon Glass 
Reviewed-by: Wolfgang Wallner 
Reviewed-by: Bin Meng

x86: mtrr: Update the command to use the new mtrr calls

2020-07-20T01:46:47+00:00

Use the multi-CPU calls to set the MTRR values. This still supports only
the boot CPU for now.

Signed-off-by: Simon Glass 
Reviewed-by: Wolfgang Wallner 
Reviewed-by: Bin Meng

x86: mtrr: Add support for writing to MTRRs on any CPU

2020-07-20T01:46:47+00:00

To enable support for the 'mtrr' command, add a way to perform MTRR
operations on selected CPUs.

This works by setting up a little 'operation' structure and sending it
around the CPUs for action.

Signed-off-by: Simon Glass 
Reviewed-by: Bin Meng 
Reviewed-by: Wolfgang Wallner

x86: mtrr: Use MP calls to list the MTRRs

2020-07-20T01:46:46+00:00

Update the mtrr command to use mp_run_on_cpus() to obtain its information.
Since the selected CPU is the boot CPU this does not change the result,
but it sets the stage for supporting other CPUs.

Signed-off-by: Simon Glass 
Reviewed-by: Wolfgang Wallner 
Reviewed-by: Bin Meng

x86: mtrr: Fix 'ensable' typo

2020-07-20T01:46:44+00:00

Fix a typo in the command help.

Signed-off-by: Simon Glass 
Reviewed-by: Wolfgang Wallner 
Reviewed-by: Bin Meng

x86: mtrr: Drop the mask display when changing an mtrr

2020-05-27T06:40:09+00:00

We don't need to print this information since it is shown when the MTRRs
are displayed. Drop it.

Signed-off-by: Simon Glass 
Reviewed-by: Bin Meng

command: Remove the cmd_tbl_t typedef

2020-05-18T22:36:55+00:00

We should not use typedefs in U-Boot. They cannot be used as forward
declarations which means that header files must include the full header to
access them.

Drop the typedef and rename the struct to remove the _s suffix which is
now not useful.

This requires quite a few header-file additions.

Signed-off-by: Simon Glass