This adds support for the Asus Chromebook Flip, an RK3288-based clamshell
device which can flip into 'tablet' mode. The device tree file comes from
Linux v4.8. The SDRAM parameters are for 4GB Samsung LPDDR3.
Signed-off-by: NSimon Glass <sjg@chromium.org>

This adds support for the Asus Chromebit, and RK3288-based device designed
to plug directly into an HDMI monitor. The device tree file comes from
Linux v4.8.
Signed-off-by: NSimon Glass <sjg@chromium.org>

It makes not sense using u8 to hold a value on a 32-bit or 64-bit machine.
It can only bloat the code by forcing the compiler to mask the value.
Change it to uint.
Signed-off-by: NSimon Glass <sjg@chromium.org>

Update board_init() to increase the ARM clock to the maximum speed on
veyron boards. This makes quite a large difference in performance. With
this change, speed goes from about 750 DMIPS to 2720 DMIPs.
Signed-off-by: NSimon Glass <sjg@chromium.org>

Add basic support for setting the ARM clock, since this allows us to run
at maximum speed in U-Boot. Currently only a single speed is supported
(1.8GHz).
Signed-off-by: NSimon Glass <sjg@chromium.org>

The SDRAM settings are not common across all veyron models. Move the
current settings into Jerry's file.
Signed-off-by: NSimon Glass <sjg@chromium.org>

Add a comment to indicate that we are not supporting the PWM regulator
yet.
Signed-off-by: NSimon Glass <sjg@chromium.org>

At present we have a single rk3288-based Chromebook: chromebook_jerry. But
all such Chromebooks can use the same binary with only device-tree
differences. The family name is 'veyron', so rename the files accordingly.

Also update the device-tree filename since this currently differs from
Linux.
Signed-off-by: NSimon Glass <sjg@chromium.org>

Adjust jerry to use of-platdata like other rk3288 boards. This reduces the
SPL size enough that it boots again.
Signed-off-by: NSimon Glass <sjg@chromium.org>

Check whether a display device is in use before using it. Add a comment as
to why two displays cannot currently be used at the same time.

This allows us to remove the device-tree change that disables vopb on
jerry.
Signed-off-by: NSimon Glass <sjg@chromium.org>

Mark a display as in use when display_enable() is called. This can avoid
a display being used by multiple video-output devices.
Signed-off-by: NSimon Glass <sjg@chromium.org>

Sometimes the frame buffer is not a multiple of the cache line size.
Adjust the cache-flushing code to avoid cache warnings/errors in this
case.
Signed-off-by: NSimon Glass <sjg@chromium.org>

This is an uncommon error but we may as well have a debug() message when
it happens.
Signed-off-by: NSimon Glass <sjg@chromium.org>

This is not currently implemented. Add support for this so that the Chrome
OS EC can be used on jerry.
Signed-off-by: NSimon Glass <sjg@chromium.org>

Allow this driver to be used with of-platdata on rk3288.
Signed-off-by: NSimon Glass <sjg@chromium.org>

Some boards may want to use these subsystems with of-platdata in SPL. Add
support for this by avoiding any device tree access in this case.
Signed-off-by: NSimon Glass <sjg@chromium.org>

The current code assumes that the devices are ordered corresponding to
their alias value. But (for example) video1 can come before video0 in the
device tree.

Correct this, by always looking for device 0 first. After that we can fall
back to finding the first available device.
Signed-off-by: NSimon Glass <sjg@chromium.org>

Fix a few code style nits in stdio_get_by_name().
Signed-off-by: NSimon Glass <sjg@chromium.org>

This board always boots from SPI, so update the code to support that with
of-platdata. The boot source is not currently available with of-platdata.
Signed-off-by: NSimon Glass <sjg@chromium.org>

This code incorrectly uses the oscillator. It should use the clock
selected in the device tree.
Signed-off-by: NSimon Glass <sjg@chromium.org>
Fixes: 135aa950 (clk: convert API to match reset/mailbox style)

This code currently always selects the second source. It only worked
because both sources are set up.

With the change to only init video devices that are present in the stdout
environment variable, this fails. Fix it.
Signed-off-by: NSimon Glass <sjg@chromium.org>

add fix regulator node for usb vbus power control.
Signed-off-by: NKever Yang <kever.yang@rock-chips.com>
Acked-by: NSimon Glass <sjg@chromium.org>

usb host vbus power is using gpio fix regulator, enable it.
Signed-off-by: NKever Yang <kever.yang@rock-chips.com>
Acked-by: NSimon Glass <sjg@chromium.org>

rk3036 using dwc2 usb controller, need enable relate configs for it.
Signed-off-by: NKever Yang <kever.yang@rock-chips.com>
Acked-by: NSimon Glass <sjg@chromium.org>

PWM_ROCKCHIP need to enable for PWM regulator, this config
is missing during rebase and new patch set in previous submission.
Signed-off-by: NKever Yang <kever.yang@rock-chips.com>
Acked-by: NSimon Glass <sjg@chromium.org>

The size dram node need to be deduced by the same amount of reserved space.
Signed-off-by: NKever Yang <kever.yang@rock-chips.com>
Acked-by: NSimon Glass <sjg@chromium.org>

UART,s -> UARTs, to avoid this spreading via copy&paste.
Signed-off-by: NAndreas Färber <afaerber@suse.de>
Acked-by: NSimon Glass <sjg@chromium.org>

Sort rk3036 before rk3288.
Signed-off-by: NAndreas Färber <afaerber@suse.de>
Acked-by: NSimon Glass <sjg@chromium.org>

Currently the specific set ops functions are directly
called without any check for min/max current limits for a regulator.
Check for them and proceed.
Signed-off-by: NKeerthy <j-keerthy@ti.com>
Fixed checking of current limits:
Signed-off-by: NSimon Glass <sjg@chromium.org>

Currently the specific set ops functions are directly
called without any check for voltage limits for a regulator.
Check for them and proceed.
Signed-off-by: NKeerthy <j-keerthy@ti.com>
Reviewed-by: NSimon Glass <sjg@chromium.org>
Fixed checking of voltate limits:
Signed-off-by: NSimon Glass <sjg@chromium.org>

In case we want to force a particular value on a regulator
irrespective of the min/max constraints for testing purposes
one can call regulator_set_value_force function.
Signed-off-by: NKeerthy <j-keerthy@ti.com>
Reviewed-by: NSimon Glass <sjg@chromium.org>

Add Jagan and Maxime as Maintainers for SUNXI
Signed-off-by: NJagan Teki <jagan@openedev.com>
Acked-by: NMaxime Ripard <maxime.ripard@free-electrons.com>

This commit adds support for the Macronix MX66U51235F,
MX66L1G45G and Micron MT25QU02G, MT25QL02G flash parts.
Signed-off-by: NRadu Bacrau <dumitru.bacrau@intel.com>
Cc: Chin Liang See <clsee@altera.com>
Cc: Radu Bacrau <radu.bacrau@gmail.com>
[Update proper commit header and 80-line cut on body]
Reviewed-by: NJagan Teki <jagan@openedev.com>

Starting with the changes to fix USB host on am57xx/am43xx we stopped
using usb_otg_ss1/related stuff and but we hadn't been enabling the
relevant options to cause the warnings until just recently.

Fixes: 55efadde (ARM: AM57xx: AM43xx: Fix USB host)
Fixes: a48d687c (configs: am57xx: Enable download gadget)
Signed-off-by: NTom Rini <trini@konsulko.com>

Currently, the fastboot item in menuconfig is a comment followed by a
boolean option withan empty prompt, followed by a menu:

        *** FASTBOOT ***
    [*]
          Fastboot support  --->

This is not "nice-looking" at all...

Change the logic to make the boolean option a "menuconfig" rather than a
mere "config", so that all dependent options gets groupped under a menu.
The layout is now:

        *** FASTBOOT ***
    [*] Fastboot support  --->
Signed-off-by: N"Yann E. MORIN" <yann.morin.1998@free.fr>
Cc: Simon Glass <sjg@chromium.org>
Reviewed-by: NSimon Glass <sjg@chromium.org>
Tested-by: NSimon Glass <sjg@chromium.org>

The previous partition table did not support a separate device tree
and the kernel size was limited to 4MB.  This update shows the
location of the device tree (labeled as spl-os) for those who
want to use Falcon Mode or use U-Boot to store the Flattened
Device Tree (FDT) to NAND without appending it to the kernel.

This also grows the kernel to 6MB since 4MB was becomming tight
Signed-off-by: NAdam Ford <aford173@gmail.com>
Reviewed-by: NTom Rini <trini@konsulko.com>

Commit ("2cd1ff84: OMAP3_LOGIC: Setup defconfig to enable
SPL and NAND booting") accidentally enabled FIT support.

This patch removes the FIT support.
Signed-off-by: NAdam Ford <aford173@gmail.com>
Reviewed-by: NTom Rini <trini@konsulko.com>

The memory map defined in commit ("49c7303f: OMAP3: Enable SPL
on omap3_logic) was used by a copy-paste of another board without
fully understanding how the map works in Falcon mode.  This patch
undoes the customization and uses the default SPL Memory Map
for OMAP3.

When building the uImage, set LOADADDR=0x82000000 and Falcon
mode should properly load.
Signed-off-by: NAdam Ford <aford173@gmail.com>
Reviewed-by: NTom Rini <trini@konsulko.com>

Raspberry firmware used to pass a FDT blob at a fixed address (0x100),
but this is not true anymore. The address now depends on both the
memory size and the blob size [1].

If one wants to passthrough this FDT blob to the kernel, the most
reliable way is to save its address from the r2/x0 register in the
U-Boot entry point and expose it in a environment variable for
further processing.

This patch just does this:
- save the provided address in the global variable fw_dtb_pointer
- expose it in ${fdt_addr} if it points to a a valid FDT blob

There are many different ways to use it. One can, for example, use
the following script which will extract from the tree the command
line built by the firmware, then hand over the blob to a previously
loaded kernel:

fdt addr ${fdt_addr}
fdt get value bootargs /chosen bootargs
bootz ${kernel_addr_r} - ${fdt_addr}

Alternatively, users relying on sysboot/pxe can simply omit any FDT
statement in their extlinux.conf file, U-Boot will automagically pick
${fdt_addr} and pass it to the kernel.

[1] https://www.raspberrypi.org/forums//viewtopic.php?f=107&t=134018Signed-off-by: NCédric Schieli <cschieli@gmail.com>
Acked-by: NStephen Warren <swarren@nvidia.com>