Commit graph

32 commits

Author SHA1 Message Date
Masahiro Yamada
5785950369 ARM: uniphier: remove NAND reset code
Now that commit 3e57f879ee ("mtd: nand: raw: denali: Assert reset
before deassert") added the reset assertion, this code in the board
file is unneeded.

Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
2020-07-11 21:56:51 +09:00
Masahiro Yamada
862274913f bus: uniphier-system-bus: move hardware init from board files
Move the bus initialization code to this driver from board files.

Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
2020-07-11 21:30:21 +09:00
Masahiro Yamada
d69d49d3ec ARM: uniphier: remove support for NOR Flash on support card
I actually do not see this used these days because eMMC or NAND is used
for non-volatile devices. Dump the burden to maintain this crappy code.

Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
2020-07-11 21:30:21 +09:00
Masahiro Yamada
1e1518866f ARM: uniphier: drop #include <log.h> again
I do not understand the changes made to these files by
commit f7ae49fc4f ("common: Drop log.h from common header").

  git show f7ae49fc4f -- arch/arm/mach-uniphier/

None of them uses the log function feature.

Simply revert the changes made to these files.

Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
2020-05-22 11:21:06 +09:00
Simon Glass
f7ae49fc4f common: Drop log.h from common header
Move this header out of the common header.

Signed-off-by: Simon Glass <sjg@chromium.org>
2020-05-18 21:19:18 -04:00
Masahiro Yamada
ce4e9ff4d2 ARM: uniphier: move NAND reset assertion to U-Boot proper from SPL
The comment /* deassert reset */ is wrong. It asserts the reset.

It no longer needs to stay in SPL. The NAND controller reset is
handled  in the driver. So, this assert can be moved to the
board_init() of U-Boot proper.

Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
2020-02-28 02:38:55 +09:00
Masahiro Yamada
5bacb4402e ARM: uniphier: remove adhoc reset deassertion for the NAND controller
Now that the reset controlling of the Denali NAND driver (denali_dt.c)
works for this platform, remove the adhoc reset deassert code.

Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
2020-02-01 01:14:32 +09:00
Tom Rini
83d290c56f SPDX: Convert all of our single license tags to Linux Kernel style
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 <trini@konsulko.com>
2018-05-07 09:34:12 -04:00
Masahiro Yamada
ac389b0749 ARM: uniphier: clean up board_init
Remove unnecessary DECLARE_GLOBAL_DATA_PTR and header includes.

<common.h> has been replaced with <linux/errno.h> and <linux/printk.h>.

Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
2017-12-04 21:59:52 +09:00
Masahiro Yamada
10c62f41e3 ARM: uniphier: remove XIRQ pin settings
The XIRQ pins are now set up on the Linux side by the GPIO hogging.

Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
2017-11-29 00:28:59 +09:00
Masahiro Yamada
eadd95a97e ARM: uniphier: remove IRQ settings
This work-around has been here in U-Boot because the AIDET and GPIO
drivers were missing in the upstream Linux.  Both are now available
in Linus' tree:
  - drivers/irqchip/irq-uniphier-aidet.c
  - drivers/gpio/gpio-uniphier.c

Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
2017-11-29 00:28:59 +09:00
Masahiro Yamada
e0daca7de5 ARM: uniphier: remove ad-hoc pin settings for NAND
This is now set up by the pinctrl driver when the NAND driver is
probed.  Remove the legacy code.

Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
2017-08-30 09:06:57 +09:00
Masahiro Yamada
00aa453ebf ARM: uniphier: remove sLD3 SoC support
This SoC is too old.  It is difficult to maintain any longer.

Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
2017-08-20 23:05:39 +09:00
Masahiro Yamada
ee8d037ce7 ARM: uniphier: remove SPL support for ARMv8 SoCs
It has been a while since ARM Trusted Firmware supported UniPhier SoC
family.  U-Boot SPL was intended as a temporary loader that runs in
secure world.  It is a maintenance headache to support two different
boot mechanisms.  Secure firmware is realm of ARM Trusted Firmware
and now U-Boot only serves as a non-secure boot loader for UniPhier
ARMv8 SoCs.

Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
2017-07-26 22:27:15 +09:00
Masahiro Yamada
1d21e1b97c ARM: uniphier: fix various sparse warnings
Fix warnings reported by sparse:
 - ... was not declared. Should it be static?"
 - cast to restricted __be32

While fixing those, the type conflict of cci500_init() was found.

Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
2017-06-25 06:06:09 +09:00
Masahiro Yamada
81afa9c9a3 ARM: uniphier: add more init code for PXs3
Add the boot device table and reset deassertion for eMMC.

Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
2017-05-17 21:56:17 +09:00
Masahiro Yamada
c21f58548c ARM: uniphier: deassert RST_n of eMMC device for LD11/LD20
For LD11 and LD20 SoCs, the RST_n pin is asserted by default.  If
the EXT_CSD[162], bit[1:0] (RST_n_ENABLE) is fused, the eMMC device
would stay in the reset state until its RST_n pin is deasserted by
software.

Currently, this is cared by an ad-hoc way because the eMMC hardware
reset provider is not supported in U-Boot for now.  This code should
be re-written once the "mmc-pwrseq-emmc" binding is supported.

Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
2017-02-23 08:37:56 +09:00
Masahiro Yamada
2c2ab3d495 ARM: uniphier: add PXs3 SoC support
Initial support for PXs3 SoC.

Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
2017-01-22 16:49:34 +09:00
Masahiro Yamada
ee8ef5afa8 ARM: uniphier: add macro to generate SoC data look-up function
There are similar functions that look up SoC data by the SoC ID.
The new macro UNIPHIER_DEFINE_SOCDATA_FUNC will be helpful to
avoid the code duplication.

Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
2017-01-22 16:49:33 +09:00
Masahiro Yamada
e27d6c7d32 ARM: uniphier: simplify SoC ID get function
Currently, uniphier_get_soc_type() converts the SoC ID (this is
read from the revision register) to an enum symbol to use it for SoC
identification.  Come to think of it, there is no need for the
conversion in the first place.  Using the SoC ID from the register
as-is a straightforward way.

Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
2017-01-22 16:49:27 +09:00
Masahiro Yamada
561ca649a8 ARM: uniphier: make SPL optional for ARVv8 SoCs
We may want to run different firmware before running U-Boot.  For
example, ARM Trusted Firmware runs before U-Boot, making U-Boot
a non-secure world boot loader.  In this case, the SoC might be
initialized there, which enables us to skip SPL entirely.

This commit removes "select SPL" to make it configurable.  This
also enables the Multi SoC support for the UniPhier ARMv8 SoCs.
(CONFIG_ARCH_UNIPHIER_V8_MULTI)  Thanks to the driver model and
Device Tree, the U-Boot proper part is now written in a generic way.
The board/SoC parameters reside in DT.  The Multi SoC support
increases the memory footprint a bit, but the U-Boot proper does
not have strict memory constraint.  This will mitigate the per-SoC
(sometimes per-board) defconfig burden.

Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
2017-01-22 15:11:12 +09:00
Masahiro Yamada
7a37bd64c5 ARM: uniphier: add missing static and const qualifier
These are file-internal and constant.

Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
2017-01-22 15:01:27 +09:00
Masahiro Yamada
26b09c022a ARM: uniphier: move SBC and Support Card init code to U-Boot proper
Initialize SBC and Support Card in U-Boot proper instead of SPL.

We may run different firmware (ex. ARM Trusted Firmware) before
U-Boot, and basic SoC initialization may be done there.  In that
case, SPL may not be used.

The motivation for preparing SBC and Support Card in SPL was to use
LED for early debugging, but this is not mandatory to boot SoCs.
With this commit, LED will be unavailable in SPL, but we can use a
debug serial instead.  So, this change will not be a big deal.

Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
2017-01-18 01:22:30 +09:00
Masahiro Yamada
b61664e230 ARM: uniphier: refactor board_init()
The code here is cluttered due to the switch statement.  Introduce a
table of callbacks to clean up the initialization code across SoCs.

Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
2017-01-18 01:22:30 +09:00
Masahiro Yamada
a314a245d1 ARM: uniphier: remove unneeded argument of uniphier_ld20_pll_init()
At first, we thought the LD20 PLL setting would be board dependent,
but this argument turned out unneeded after all.

Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
2017-01-17 09:00:40 +09:00
Masahiro Yamada
baaafaaad3 ARM: uniphier: add work-around for VBO noise problem
Raise the VDD09 voltage line to 1.0V to suppress VBO noise.
This errata work-around code is needed only for ES1.

Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
2016-10-10 10:03:23 +09:00
Masahiro Yamada
c72f4d4c2e ARM: uniphier: add PLL init code for LD11 SoC
- Initialize PLLs (SPL initializes only DPLL to save the precious
   SPL memory footprint)
 - Adjust CPLL/MPLL to the final tape-out frequency
 - Set the Cortex-A53 clock to the maximum frequency since it is
   running at 500MHz (SPLL/4) on startup

Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
2016-09-23 01:00:23 +09:00
Masahiro Yamada
682e09ff9f ARM: uniphier: add PLL init code for LD20 SoC
Initialize the DPLL (PLL for DRAM) in SPL, and others in U-Boot
proper.  Split the common code into pll-base-ld20.c for easier
re-use.

Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
2016-09-19 00:12:26 +09:00
Masahiro Yamada
6a3e4274e4 ARM: uniphier: move PLL init code to U-Boot proper where possible
The PLL for the DRAM interface must be initialized in SPL, but the
others can be delayed until U-Boot proper.  Move them from SPL to
U-Boot proper to save the precious SPL memory footprint.

Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
2016-09-19 00:06:44 +09:00
Masahiro Yamada
b78ffc53c5 ARM: uniphier: move XIRQ pin-mux settings of LD11/LD20
This is the last code in the mach-uniphier/pinctrl/ directory.
Push the remaining code out to delete the directory entirely.

Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
2016-09-18 23:47:27 +09:00
Masahiro Yamada
5ac9dfbe9d ARM: uniphier: consolidate NAND pin-mux settings
The NAND subsystem has not supported the Driver Model yet, but the
NAND pin-mux data are already in the pinctrl drivers.  Use them by
calling pinctrl_generic_set_state() directly.

Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
2016-09-18 23:10:44 +09:00
Masahiro Yamada
b291671232 ARM: uniphier: merge board init functions into board_init()
Currently, the UniPhier platform calls several init functions in the
following order:

  [1] spl_board_init()
  [2] board_early_init_f()
  [3] board_init()
  [4] board_early_init_r()
  [5] board_late_init()

The serial console is not ready at the point of [2], so we want to
avoid using [2] from the view point of debuggability.  Fortunately,
all of the initialization in [2] can be delayed until [3].  I see no
good reason to split into [3] and [4].  So, merge [2] through [4].

Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
2016-09-14 22:54:20 +09:00
Renamed from arch/arm/mach-uniphier/board_early_init_f.c (Browse further)