Commit graph

12275 commits

Author SHA1 Message Date
Simon Glass
aba9296249 dm: pci: Add support for PCI driver matching
At present all PCI devices must be present in the device tree in order to
be used. Many or most PCI devices don't require any configuration other than
that which is done automatically by U-Boot. It is inefficent to add a node
with nothing but a compatible string in order to get a device working.

Add a mechanism whereby PCI drivers can be declared along with the device
parameters they support (vendor/device/class). When no suitable driver is
found in the device tree the list of such devices is consulted to determine
the correct driver. If this also fails, then a generic driver is used as
before.

The mechanism used is very similar to that provided by Linux and the header
file defintions are copied from Linux 4.1.

Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Joe Hershberger <joe.hershberger@ni.com>
2015-07-21 17:39:38 -06:00
Hans de Goede
b2f219b081 dm: usb: Allow usb host drivers to implement usb_reset_root_port
Allow usb uclass host drivers to implement usb_reset_root_port, this is
used by single port usb hosts which do not emulate a hub, such as otg
controllers.

Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Acked-by: Simon Glass <sjg@chromium.org>
2015-07-21 17:39:36 -06:00
Hans de Goede
bb52b367f6 dm: Export device_remove_children / device_unbind_children
These functions are useful to remove all children from an usb bus before
rescanning the bus. Give them a better name and export them.

Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Acked-by: Simon Glass <sjg@chromium.org>
2015-07-21 17:39:35 -06:00
Hans de Goede
8802f56349 usb: Add an usb_device parameter to usb_reset_root_port
Add an usb_device parameter to usb_reset_root_port so that it knows which
root-port it is resetting. This is necessary for proper device-model support
for usb_reset_root_port.

Also remove a duplicate declaration of usb_reset_root_port() from usb.h .

Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Acked-by: Simon Glass <sjg@chromium.org>
2015-07-21 17:39:35 -06:00
Hans de Goede
9eb72dd1f4 usb: usb_setup_device: Drop unneeded portnr function argument
Drop the unneeded portnr function argument, the portnr is part of the
usb_device struct which is passed via the dev argument.

Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Acked-by: Simon Glass <sjg@chromium.org>
2015-07-21 17:39:35 -06:00
Hans de Goede
6bfe80e754 usb: Drop device-model specific copy of usb_legacy_port_reset
The device-model usb_legacy_port_reset function calls the device-model
usb_port_reset function which is a 1 on 1 copy of the non dm
usb_legacy_port_reset and this is the only use of usb_port_reset in all
of u-boot.

Drop both, and alway use the usb_legacy_port_reset() version in
common/usb.c .

Also while at it make it static as it is only used in common/usb.c .

Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Acked-by: Simon Glass <sjg@chromium.org>
2015-07-21 17:39:34 -06:00
Simon Glass
85aeda4a62 test: Add a macro to check that a value is not an error pointer
Some functions can return ERR_PTR(errval). Add a unit test macro to check
that no error is returned in a pointer.

Signed-off-by: Simon Glass <sjg@chromium.org>
2015-07-21 17:39:33 -06:00
Simon Glass
fb8a5ffc77 led: Return -ENODEV if the LED device cannot be found
We normally use -ENODEV for a missing device, rather than -ENOENT. The
latter is reserved for when we have a device but cannot find something
within it.

Also avoid looking at the root LED device since it is only a container.

Signed-off-by: Simon Glass <sjg@chromium.org>
2015-07-21 17:39:32 -06:00
Simon Glass
1704d083b3 dm: reset: Allow reset_walk() to return
Add a new reset_walk_halt() function to cause a reset and then halt on
failure. The reset_walk() function returns an error code.

This is needed for testing since otherwise U-Boot will halt in the middle
of a test.

Signed-off-by: Simon Glass <sjg@chromium.org>
2015-07-21 17:39:31 -06:00
Simon Glass
97f3ee34b6 dm: Add platform data advice and admonishment
We should guide people more strongly towards device tree to avoid the
proliferation of platform data structures. Add documentation to the driver
model README, and also the platform data header file.

Signed-off-by: Simon Glass <sjg@chromium.org>
2015-07-21 17:39:30 -06:00
Simon Glass
f26c8a8e77 dm: Add a clock uclass
Clocks are an important feature of platforms and have become increasing
complex with time. Most modern SoCs have multiple PLLs and dozens of clock
dividers which distribute clocks to on-chip peripherals.

Some SoC implementations have a clock API which is private to that SoC family,
e.g. Tegra and Exynos. This is useful but it would be better to have a
common API that can be understood and used throughout U-Boot.

Add a simple clock API as a starting point. It supports querying and setting
the rate of a clock. Each clock is a device. To reduce memory and processing
overhead the concept of peripheral clocks is provided. These do not need to
be explicit devices - it is possible to write a driver that can adjust the
I2C clock (for example) without an explicit I2C clock device. This can
dramatically reduce the number of devices (and associated overhead) in a
complex SoC.

Clocks are referenced by a number, and it is expected that SoCs will define
that numbering themselves via an enum.

Signed-off-by: Simon Glass <sjg@chromium.org>
2015-07-21 17:39:29 -06:00
Simon Glass
f9917454d5 dm: Add a system reset uclass
It is common for system reset to be available at multiple levels in modern
hardware. For example, an SoC may provide a reset option, and a board may
provide its own reset for reasons of security or thoroughness. It is useful
to be able to model this hardware without hard-coding the behaviour in the
SoC or board. Also there is a distinction sometimes between resetting just
the CPU (leaving GPIO state alone) and resetting all the PMICs, just cutting
power.

To achieve this, add a simple system reset uclass. It allows multiple devices
to provide reset functionality and provides a way to walk through them,
requesting a particular reset type until is it provided.

Signed-off-by: Simon Glass <sjg@chromium.org>
2015-07-21 17:39:29 -06:00
Simon Glass
070d00b8dc dm: spl: Allow device tree/driver model in board_init_f()
Add an spl_init() function that does basic init such that board_init_f() can
use simple malloc(), device tree and driver model. Each one is set up only
if enabled for SPL.

Note: We really should refactor SPL such that there is a single
board_init_f() and rename the existing weak board_init_f() functions
provided by boards, calling them from the single board_init_f().

Signed-off-by: Simon Glass <sjg@chromium.org>
2015-07-21 17:39:28 -06:00
Simon Glass
c4af6732c4 lib: Add function to extract a number from the end of a string
Split out the code in fdtdec which finds a number at the end of a string. It
can be useful in other situations.

Signed-off-by: Simon Glass <sjg@chromium.org>
2015-07-21 17:39:28 -06:00
Simon Glass
1acab96d97 Add rivest cipher 4 (rc4) implementation
Add an implementation of RC4. This will be used by Rockchip booting but may
be useful in other situations.

Signed-off-by: Simon Glass <sjg@chromium.org>
2015-07-21 17:39:28 -06:00
Simon Glass
6c51df6859 dm: Add support for RAM drivers
Add support for a driver which sets up DRAM and can return information about
the amount of RAM available. This is a first step towards moving RAM init
to driver model.

Signed-off-by: Simon Glass <sjg@chromium.org>
2015-07-21 17:39:27 -06:00
Simon Glass
6c69c7fb57 dm: pmic: Add functions to adjust PMIC registers
It is a common requirement to update some PMIC registers. Provide some
simple convenience functions to do this.

Signed-off-by: Simon Glass <sjg@chromium.org>
Tested-by: Przemyslaw Marczak <p.marczak@samsung.com>
Acked-by: Przemyslaw Marczak <p.marczak@samsung.com>
2015-07-21 17:39:27 -06:00
Simon Glass
083fc83a4e dm: power: Add a function to set up all regulators
The device tree provides information about which regulators should be
on at boot, or always on. Use this to set them up automatically.

Signed-off-by: Simon Glass <sjg@chromium.org>
Tested-by: Przemyslaw Marczak <p.marczak@samsung.com>
Acked-by: Przemyslaw Marczak <p.marczak@samsung.com>
2015-07-21 17:39:26 -06:00
Simon Glass
3b55d30f6f dm: pmic: Split output from function
The regulator_autoset() function mixes printf() output and PMIC adjustment
code. It provides a boolean to control the output. It is better to avoid
missing logic and output, and this permits a smaller SPL code size. So
split the output into a separate function.

Also rename the function to have a by_name() suffix, since we would like
to be able to pass a device when we know it, and thus avoid the name
search.

Signed-off-by: Simon Glass <sjg@chromium.org>
Tested-by: Przemyslaw Marczak <p.marczak@samsung.com>
Acked-by: Przemyslaw Marczak <p.marczak@samsung.com>
2015-07-21 17:39:26 -06:00
Simon Glass
7837ceab1e dm: power: Add regulator flags to centralise auto-set logic
Decide when the regulator is set up whether we want to auto-set the voltage
or current. This avoids the complex logic spilling into the processing code.

Signed-off-by: Simon Glass <sjg@chromium.org>
Tested-by: Przemyslaw Marczak <p.marczak@samsung.com>
Acked-by: Przemyslaw Marczak <p.marczak@samsung.com>
2015-07-21 17:39:26 -06:00
Simon Glass
6dc714102b mmc: Add structure comments for dwmmc
It took a little while to figure this out, so this patch adds documentation
to help the next person who needs to do this.

Signed-off-by: Simon Glass <sjg@chromium.org>
2015-07-21 17:39:25 -06:00
Simon Glass
e7ecf7cb5a dm: mmc: Add an MMC uclass
Add basic support for MMC, providing a uclass which can set up an MMC
device. This allows MMC drivers to move to using driver model.

Signed-off-by: Simon Glass <sjg@chromium.org>
2015-07-21 17:39:25 -06:00
Simon Glass
5917112c9e dm: Add support for LEDs
Add a simple uclass for LEDs, so that these can be controlled by the device
tree and activated when needed. LEDs are referred to by their label.

This implementation requires a driver for each type of LED (e.g GPIO, I2C).

Signed-off-by: Simon Glass <sjg@chromium.org>
2015-07-21 17:39:24 -06:00
Simon Glass
5725128507 dm: Add support for generic system controllers (syscon)
Many SoCs have a number of system controllers which are dealt with as a
group by a single driver. It is a pain to have to add lots of compatible
strings and/or separate drivers for each. Instead we can identify the
controllers by a number and request the address of the one we want.

Add a simple implementation of this which can be used by SoC driver code.

Signed-off-by: Simon Glass <sjg@chromium.org>
2015-07-21 17:39:24 -06:00
Simon Glass
6f98b7504f dm: Add support for register maps (regmap)
Add a simple implementaton of register maps, supporting only direct I/O
for now. This can be enhanced later to support buses which have registers,
such as I2C, SPI and PCI.

It allows drivers which can operate with multiple buses to avoid dealing
with the particulars of register access on that bus.

Signed-off-by: Simon Glass <sjg@chromium.org>
2015-07-21 17:39:23 -06:00
Simon Glass
efa677fb48 dm: gpio: Add dm_gpio_request() to manually request a GPIO
This function can be used for testing to manually request a GPIO for use,
without resorting to the legacy GPIO API.

Signed-off-by: Simon Glass <sjg@chromium.org>
2015-07-21 17:39:23 -06:00
Simon Glass
32ec159844 dm: gpio: Add dm_gpio_lookup_name() to look up a GPIO name
Provide a driver-model function to look up a GPIO name. Make the standard
function use it.

Signed-off-by: Simon Glass <sjg@chromium.org>
2015-07-21 17:39:23 -06:00
Simon Glass
132f9bfc9e dm: core: Correct device_get_child_by_of_offset() parameter
This parameter is named 'seq' but should be named 'of_offset'.

Signed-off-by: Simon Glass <sjg@chromium.org>
2015-07-21 17:39:23 -06:00
Simon Glass
2693047acd dm: core: Add a function to find any device from device tree
In some rare cases it is useful to be able to locate a device given a device
tree node offset. An example is when you have an alias that points to a node
and you want to find the associated device. The device may be SPI, MMC or
something else, but you don't need to know the uclass to find it.

Add a function to do a global search for a device, given its device tree
offset.

Signed-off-by: Simon Glass <sjg@chromium.org>
2015-07-21 17:39:22 -06:00
Simon Glass
304fbef156 dm: Move the tree/uclass dump code into its own file
In SPL it is sometimes useful to be able to obtain a dump of the current
driver model state. Since commands are not available, provide a way to
directly call the functions to output this information.

Adjust the existing commands to use these functions.

Signed-off-by: Simon Glass <sjg@chromium.org>
2015-07-21 17:39:22 -06:00
Simon Glass
d0d7361462 debug_uart: Remove use of asmlinkage
This does not actually help any current arch. For x86 it makes it harder
to call (requires stack) and for ARM it has no effect. Drop it.

Signed-off-by: Simon Glass <sjg@chromium.org>
2015-07-21 17:39:21 -06:00
Simon Glass
c9689ca318 Add a way of checking the position of a structure member
U-Boot uses structures for hardware access so it is important that these
structures are correct. Add a way of asserting that a structure member is
at a particular offset. This can be created using the datasheet for the
hardware.

This implementation uses Static_assert() since BUILD_BUG_ON() only works
within functions.

Signed-off-by: Simon Glass <sjg@chromium.org>
2015-07-21 17:39:21 -06:00
Simon Glass
c3c4c00563 fdt: Add fdt_first/next_region() functions
These have been sent upstream but not accepted to libfdt. For now, bring
these into U-Boot to enable fdtgrep to operate. We will use fdtgrep to
cut device tree files down for SPL.

Signed-off-by: Simon Glass <sjg@chromium.org>
2015-07-21 17:39:20 -06:00
Simon Glass
8f6e2e1ee1 fdt: Add a function to remove unused strings from a device tree
Property names are stored in a string table. When a node property is
removed, the string table is not updated since other nodes may have a
property with the same name.

Thus it is possible for the string table to build up a number of unused
strings. Add a function to remove these. This works by building a new device
tree from the old one, adding strings one by one as needed.

Signed-off-by: Simon Glass <sjg@chromium.org>
2015-07-21 17:39:20 -06:00
Simon Glass
5b9d44df23 mkimage: Display a better list of available image types
Offer to display the available image types in help. Also, rather than
hacking the genimg_get_type_id() function to display a list of types,
do this in the tool. Also, sort the list.

The list of image types is quite long, and hard to discover. Print it out
when we show help information.

Signed-off-by: Simon Glass <sjg@chromium.org>
2015-07-21 17:39:20 -06:00
Tom Rini
b217c89e85 Merge branch 'master' of git://git.denx.de/u-boot-fsl-qoriq 2015-07-20 17:12:52 -04:00
Haikun Wang
0c42a8de85 armv8/ls2085ardb: Enable DSPI flash support for LS2085ARDB
Enable DSPI flash related configurations for LS2085ARDB.

Signed-off-by: Haikun Wang <haikun.wang@freescale.com>
Reviewed-by: York Sun <yorksun@freescale.com>
2015-07-20 11:44:39 -07:00
Haikun Wang
b7774b0522 armv8/ls2085aqds: Enable DSPI flash support for LS2085AQDS
Enable DSPI flash related configurations.

Signed-off-by: Haikun Wang <haikun.wang@freescale.com>
Reviewed-by: York Sun <yorksun@freescale.com>
2015-07-20 11:44:39 -07:00
Wang Dongsheng
340848b185 arm/ls102xa: Add PSCI support for ls102xa
Base on PSCI services, implement CPU_ON/CPU_OFF for ls102xa platform.

Tested on LS1021AQDS, LS1021ATWR.
Test CPU hotplug times: 60K
Test kernel boot times: 1.2K

Signed-off-by: Wang Dongsheng <dongsheng.wang@freescale.com>
Acked-by: Alison Wang <alison.wang@freescale.com>
Reviewed-by: York Sun <yorksun@freescale.com>
2015-07-20 11:44:38 -07:00
Prabhakar Kushwaha
97421bd2c0 board/ls2085a: Increase kernel_size value in env variable
Linux itb image size has been increased from 30MB.

So updating kernel_size to 40MB in env variable.

Signed-off-by: Prabhakar Kushwaha <prabhakar@freescale.com>
Reviewed-by: York Sun <yorksun@freescale.com>
2015-07-20 11:44:38 -07:00
Prabhakar Kushwaha
9527931507 board/ls2085rdb: Export functions for standalone AQ FW load apps
Export functions required by Aquntia PHY firmware load application.
functions are memset, strcpy, mdelay, mdio_get_current_dev,
phy_find_by_mask, mdio_phydev_for_ethname and miiphy_set_current_dev

Signed-off-by: Prabhakar Kushwaha <prabhakar@freescale.com>
Reviewed-by: York Sun <yorksun@freescale.com>
2015-07-20 11:44:37 -07:00
Stuart Yoder
39da644ea8 armv8/fsl-lsch3: partition stream IDs
Stream IDs on ls2085a devices are not hardwired and are
programmed by sw.  There are a limited number of stream IDs
available, and the partitioning of them is scenario dependent.
This header defines the partitioning between legacy, PCI,
and DPAA2 devices.

Signed-off-by: Stuart Yoder <stuart.yoder@freescale.com>
Signed-off-by: Prabhakar Kushwaha <prabhakar@freescale.com>
Reviewed-by: York Sun <yorksun@freescale.com>
2015-07-20 11:44:37 -07:00
Prabhakar Kushwaha
1f1c25c745 drivers: fsl-mc: Update flibs to mc-0.6.0.1
Update flibs changes to mc-0.6.0.1 for dpmang, dprc, dpni and dpio objects
Also rename qbman_portal_ce/ci_paddr to qbman_portal_ce/ci_offset in
dpio_attr. These are now offsets from the SoC QBMan portals base.

Signed-off-by: J. German Rivera <German.Rivera@freescale.com>
Signed-off-by: Prabhakar Kushwaha <prabhakar@freescale.com>
Reviewed-by: York Sun <yorksun@freescale.com>
2015-07-20 11:44:36 -07:00
J. German Rivera
c1000c12d3 drivers/fsl-mc: Autoload AOIP image from NOR flash
Load AIOP image from NOR flash into DDR so that the MC firmware
the MC fw can start it at boot time

Signed-off-by: J. German Rivera <German.Rivera@freescale.com>
Signed-off-by: Prabhakar Kushwaha <prabhakar@freescale.com>
Reviewed-by: York Sun <yorksun@freescale.com>
2015-07-20 11:44:36 -07:00
Stuart Yoder
b0ba9d48a4 armv8/ls2085a: enable debug server
Signed-off-by: Stuart Yoder <stuart.yoder at freescale.com>
Signed-off-by: Prabhakar Kushwaha <prabhakar at freescale.com>
Reviewed-by: York Sun <yorksun@freescale.com>
2015-07-20 11:44:36 -07:00
Prabhakar Kushwaha
5c05508971 armv8/fsl-lsch3: Support 256M mem split for MC & dbg-srvr
The agreed split of the top of memory is 256M for debug server and 256M
 for MC. This patch implements the split.

 In addition, the MC mem must be 512MB aligned, so the amount of memory
 to hide must be 512MB to achieve that alignment.

Signed-off-by: Stuart Yoder <stuart.yoder@freescale.com>
Signed-off-by: Prabhakar Kushwaha <prabhakar@freescale.com>
Reviewed-by: York Sun <yorksun@freescale.com>
2015-07-20 11:44:36 -07:00
York Sun
fc7b3855e1 armv8/ls2085ardb: Fix SPD address error on early boards
Board rev C and earlier has duplicated SPD address on 2nd DDR
controller slots. It is fixed on rev D and later. SPD addresses
need to be updated accordingly.

Signed-off-by: York Sun <yorksun at freescale.com>
Signed-off-by: Prabhakar Kushwaha <prabhakar at freescale.com>
2015-07-20 11:44:35 -07:00
York Sun
b92557cd3f driver/ddr/fsl: Add a hook to update SPD address
In case SPD address changes between board revisions, updating SPD
address can be called from board file.

Signed-off-by: York Sun <yorksun at freescale.com>
Signed-off-by: Prabhakar Kushwaha <prabhakar at freescale.com>
2015-07-20 11:44:35 -07:00
Prabhakar Kushwaha
ff1b8e3f55 armv8/ls2085a: Avoid hard-coding for board name print
LS2085A supports 6 personalities i.e. LS2045AE, LS2045A, LS2080AE,
LS2080A, LS2085AE and LS2085A personlities.

Instead of hard-coding, board name should change as per selected
personality.

Signed-off-by: Prabhakar Kushwaha <prabhakar at freescale.com>
Reviewed-by: York Sun <yorksun@freescale.com>
2015-07-20 11:44:35 -07:00
Bhupesh Sharma
34cc75469f armv8/ls2085a: Increase the supported kernel size
Increases the kernel size supported for LS2085A platforms:-
 - Update environment variables
 - Add ramdisk_size in bootargs env variable
 - Define  CONFIG_SYS_BOOTM_LEN to 64MB

Signed-off-by: Bhupesh Sharma <bhupesh.sharma at freescale.com>
Signed-off-by: Prabhakar Kushwaha <prabhakar at freescale.com>
Reviewed-by: York Sun <yorksun@freescale.com>
2015-07-20 11:44:34 -07:00