u-boot.git/drivers/core/Makefile, branch v2018.09

SPDX: Convert all of our single license tags to Linux Kernel style

2018-05-07T13:34:12+00:00

When U-Boot started using SPDX tags we were among the early adopters and
there weren't a lot of other examples to borrow from.  So we picked the
area of the file that usually had a full license text and replaced it
with an appropriate SPDX-License-Identifier: entry.  Since then, the
Linux Kernel has adopted SPDX tags and they place it as the very first
line in a file (except where shebangs are used, then it's second line)
and with slightly different comment styles than us.

In part due to community overlap, in part due to better tag visibility
and in part for other minor reasons, switch over to that style.

This commit changes all instances where we have a single declared
license in the tag as both the before and after are identical in tag
contents.  There's also a few places where I found we did not have a tag
and have introduced one.

Signed-off-by: Tom Rini

dm: replace dm_dbg() with pr_debug()

2017-10-04T16:00:21+00:00

As we discussed before in ML, dm_dbg() causes undefined reference
error if #define DEBUG is added to users, but not drivers/core/util.c

We do not need this macro because we can use pr_debug() instead, and
it is pretty easy to enable it for the DM core by using ccflags-y.

Signed-off-by: Masahiro Yamada

spl: dm: Kconfig: split REGMAP/SYSCON support for TPL from SPL

2017-08-13T15:12:20+00:00

This change introduces TPL variants of the REGMAP and SYSCON config
options (i.e. TPL_REGMAP and TPL_SYSCON in analogy to SPL_REGMAP and
SPL_SYSCON) in preparation of a finer-grained feature selection for
building feature-rich TPL variants.

Signed-off-by: Philipp Tomsich 
Reviewed-by: Simon Glass 
Reviewed-by: Tom Rini

dm: core: Add dev_read_resource() to read device resources

2017-07-11T16:08:20+00:00

Add a function which reads resources from a device, such as the device
hardware address. This uses the "reg" property in the device.

Unlike other functions there is little sense in inlining this when
livetree is not being used because it has some logic in it and this would
just bloat the code size.

Signed-off-by: Simon Glass 
Tested-by: Marcel Ziswiler 
Tested-on: Beaver, Jetson-TK1

dm: core: Implement live tree 'read' functions

2017-06-01T13:03:08+00:00

When the live tree is supported some functions need to change a little.
Add an implementation which is used when not inlining these functions.

Signed-off-by: Simon Glass

dm: core: Add a place to put extra device-tree reading functions

2017-06-01T13:03:07+00:00

Some functions deal with structured data rather than simple data types.
It makes sense to have these in their own file. For now this just has a
function to read a flashmap entry. Move the data types also.

Signed-off-by: Simon Glass

dm: core: Add livetree address functions

2017-06-01T13:03:07+00:00

Add functions to access addresses in the device tree. These are brought
in from Linux 4.10.

Also fix up the header guard for fdtaddr.h to avoid confusion.

Signed-off-by: Simon Glass

dm: core: Add operations on device tree references

2017-06-01T13:03:07+00:00

Since U-Boot supports both a live tree and a flat tree, we need an easy
way to access the tree without worrying about which is currently active.
To support this, U-Boot has the concept of an ofnode, which can refer
either to a live tree node or a flat tree node.

For the live tree, the reference contains a pointer to the node (struct
device_node *) or NULL if the node is invalid. For the flat tree, the
reference contains the node offset or -1 if the node is invalid.

Add a basic set of operations using ofnodes. These are implemented by
using either libfdt functions (in the case of a flat DT reference) or
the live-tree of_...() functions.

Note that it is not possible to have both live and flat references active
at the same time. As soon as the live tree is available, everything in
U-Boot should switch to using that. This avoids confusion and allows us to
assume that the type of a reference is simply based on whether we have a
live tree yet, or not.

Signed-off-by: Simon Glass

dm: core: Add livetree access functions

2017-06-01T13:03:06+00:00

Add a basic assortment of functions to access the live device tree. These
come from Linux v4.9 and are modified for U-Boot to the minimum extent
possible. While these functions are now very stable in Linux, it will be
possible to merge in fixes if needed.

Signed-off-by: Simon Glass

dm: core: Move dev_get_addr() etc. into a separate file

2017-06-01T12:57:52+00:00

Move this group of address-related functions into a new file. These use
the flat device tree. Future work will provide new versions of these which
can support the live tree.

Signed-off-by: Simon Glass