The UniPhier SoC family has not supported ARMv8 yet, but these would
cause warnings if they were compiled with a 64bit compiler.  Before
adding the ARMv8 support really, fix them now.

Because UniPhier SoCs do not support Large Physical Address Extension,
casting "phys_addr_t" into "unsigned long" would carry the address
as is.

Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>

Before adding ARMv8 support, this commit refactors the directory
structure.  Move ARMv7 specific files to arch/arm/mach-uniphier/arm32
to avoid a mess by mixture of ARMv7 and ARMv8 code.  Also move the
"select CPU_V7" to the lower-level menu because we will have to
select ARM64 instead of CPU_V7 for ARMv8 SoCs.

Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>

This reverts commit d9a3bec6.

While this is a correct change to do long term it unfortunately breaks a
number of platforms that are using pdata and not named struct members so
they are getting all of their data after 'base' incorrect.

Acked-by: Michal Simek <michal.simek@xilinx.com>
Signed-off-by: Tom Rini <trini@konsulko.com>

Due to the company's awful projecting, PH1-LD10 and PH1-sLD11 have
been renamed to PH1-LD20 and PH1-LD11, respectively.

Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>

The chains of "depends on <SoC_name>" in the current Kconfig is
clumsy.  The idea here is to allow users to choose a SoC group first
(SoC group consists of some SoCs that can coexist in one binary).
Then, allow to enable/disable each SoC support in the selected SoC
group.  This makes the Kconfig menu clearer.

Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>

PH1-Pro5 support and ProXstream2/PH1-LD6b support can coexist in one
image and there is bit more room in SPL to accommodate all of them.
Merge uniphier_pro5_defconfig into uniphier_pxs2_defconfig.

Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>

Rename the variable that contains the base address for consistency.

Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>

Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>

These macros are no longer used.  These base addresses are
SoC-dependent, so they should not be placed in the header.

Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>

Currently, DRAM size is converted twice:
  size in byte -> size in Gbit -> enum

Optimize the code by converting the "size in byte" into enum directly.

Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>

Now this code can be re-written with a "for" statement instead of
calling the same function multiple times.

Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>

Now this code can be re-written with a "for" statement instead of
calling the same function multiple times.

Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>

Now this code can be re-written with a "for" statement instead of
calling the same function multiple times.

Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>

Move frequency-dependent register settings to arrays for clean-up.

Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>

Support DDR3-1600 / 512MB DDR size.

Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>

Move frequency-dependent register settings to arrays for clean-up.

Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>

The if-else statements for the frequency-dependent register settings
seem clumsy.  Moving them to arrays would make it cleaner.

Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>

The DDR PHY settings no longer depend on the DRAM size.  Drop the
argument from the init function.

Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>

Now these three are almost the same.  The only difference is the DTPR1
register dependency on the DRAM size, but it can be ignored.  (It has
already been ignored in PH1-sLD8 and PH1-Pro4.)

Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>

Add a field to distinguish DDR3+ from (standard) DDR3.  It also
allows to delete CONFIG_DDR_STANDARD (this is not a software
configuration, but a board attribute).

Default DDR3 spec for each SoC:

  PH1-LD4, PH1-sLD8: DDR3+
  Others: DDR3

Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>

These settings control the clocks around the memory controller.
The debug ability is unneeded once it works properly.

Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>

These settings were used only for the PH1-sLD3 and older SoCs.  The
PH1-LD4 and newer one just ignore them because their DDR-PHY take
care of such timing parameters instead.

Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>

Currently, a dummy value is defined for the UMC_SPCCTLA register
when the DRAM size is zero.  This seems weird because the controller
does not need setting in the first place if the size is zero.

Also, redefine enum dram_size to represent the DRAM size per 16-bit
unit.  This makes things simpler because the channel 0 and 1 are
connected with 32-bit width DRAM, while the channel 2 is connected
with 16-bit width one.

I am renaming SIZE_* into DRAM_SZ_* (and also FREQ_* to DRAM_FREQ_*
for consistency) while I am here because SIZE_* might be easily
mixed-up with the macros in include/linux/sizes.h.

Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>

Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>

Now this code can be re-written with a "for" statement instead of
calling the same function multiple times.

Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>

This commit reworks "struct uniphier_board_data" with an array of
DRAM channel data in it.  It will allow further cleanups by means of
"for" statements that iterate over the DDR channels.

Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>

This function is unused.

Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>

Of the several boot devices supported, it looks like the eMMC is the
most commonly used.  Enable CONFIG_ENV_IS_IN_MMC by default.

Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>

The Boot ROM expects the boot image (SPL) in the Boot Partition 1.
So, updating images involves the hardware partition switch.  It might
be a bit advanced for some users.

To be user-friendly, this commit adds a useful command to update the
images; just put SPL and U-Boot proper into the public directory of
the TFTP server and execute "run emmcupdate" from the command line.

Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>

UniPhier SoC family supports both (e)MMC boot and SD card boot;
however, both of them are handled in the same uclass.

When booting from the eMMC, we want to know the device number
of the (e)MMC, not SD.  This command is useful to find the first
MMC (non-SD) device.

Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>

Export device nodes needed for eMMC boot (eMMC node, pinctrl, and
clock) to the SPL DTB.  CONFIG_SUPPORT_EMMC_BOOT is also necessary
to use "mmc partconf" command.

Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>

This host controller is available for all UniPhier SoCs.

Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>

Enable the driver in all UniPhier defconfig files and add some
needed defines to the common files.

Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>

Add a driver for the on-chip SD/eMMC host controller used by
UniPhier SoC family.

Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>

Make the GPIO driver really active.

Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>

This allows to use the "gpio" command.

Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Acked-by: Simon Glass <sjg@chromium.org>

I implemented a GPIO driver based on Driver Model for the UniPhier
SoC family, but I could not find any good reason why such SoC
specific GPIO headers are needed.

Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Acked-by: Simon Glass <sjg@chromium.org>

This GPIO controller device is used on UniPhier SoCs.

Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Acked-by: Simon Glass <sjg@chromium.org>

Follow the changes of DTS in Linux.

Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>