Commit graph

51 commits

Author SHA1 Message Date
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
7f8e75390b ARM: uniphier: use FIELD_PREP for PLL settings
It is tedious to define both mask and bit-shift.  <linux/bitfield.h>
provides a convenient way to get access to register fields with a
single shifted mask.

Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
2017-12-12 00:36:12 +09:00
Masahiro Yamada
f2ce50b2d0 ARM: uniphier: compute SSCPLL values more precisely
Use DIV_ROUND_CLOSEST().  To make the JK value even more precise,
I used a bigger coefficient, then divide it by 512.

Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
2017-12-12 00:36:11 +09:00
Dai Okamura
c30c44e799 ARM: uniphier: fix SSCPLL init code for LD11 SoC
Commit 682e09ff9f ("ARM: uniphier: add PLL init code for LD20 SoC")
missed to write the computed value to the SSCPLLCTRL2 register.

Fixes: 682e09ff9f ("ARM: uniphier: add PLL init code for LD20 SoC")
Signed-off-by: Dai Okamura <okamura.dai@socionext.com>
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
2017-12-12 00:36:11 +09:00
Masahiro Yamada
00ed0e3ee3 ARM: uniphier: compile pll-base-ld20.c for PXs3
Fix the link error for the combination of
  CONFIG_ARCH_UNIPHIER_LD11=n
  CONFIG_ARCH_UNIPHIER_LD20=n
  CONFIG_ARCH_UNIPHIER_PXS3=y

Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
2017-12-12 00:35:59 +09:00
Masahiro Yamada
d0df9588e8 ARM: uniphier: remove CONFIG_UNIPHIER_ETH
The option is never enabled by anyone.  Remove the code surrounded
by its ifdef.  This should be handled by the clock/reset drivers.

CONFIG_UNIPHIER_ETH in scripts/config_whitelist.txt will be dropped
by the next resync.

Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
2017-10-23 01:02:05 +09:00
Masahiro Yamada
c7372d61fd ARM: uniphier: adjust ifdefs for new UniPhier DWC3 CONFIG
Now USB 3.0 feature is enabled/disabled by CONFIG_USB_DWC3_UNIPHIER.

Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
2017-10-15 22:32:25 +09:00
Masahiro Yamada
a184fb8e96 ARM: uniphier: add GPU(Mali) reset deassert and clk enable
The driver for Linux is out of control of Socionext, so set up
reset / clock in here.

Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
2017-09-18 20:26:18 +09:00
Masahiro Yamada
2bf7c86ebb ARM: uniphier: remove bit field macros from sc64-regs.h
Starting from PXs3, the bit fields of  RSTCTRL, CLKCTRL registers
will change every SoC.  There is no more point to define bitfields
in the common header file.

Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
2017-09-18 20:26:12 +09:00
Dai Okamura
4013bbb1f3 ARM: uniphier: fix DSPLL init code for LD20 SoC
Signed-off-by: Dai Okamura <okamura.dai@socionext.com>
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
2017-08-30 09:07:04 +09:00
Masahiro Yamada
4914a68de7 ARM: uniphier: add PLL settings for PXs3
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
2017-08-30 09:03:11 +09:00
Masahiro Yamada
a55957b9ad ARM: uniphier: move PLLCTRL register macros to each SoC .c file
The new SoC PXs3 changed the address of PLL, but still uses the
same PLL name.  We can not define SC_*PLLCTRL in the common header.
Move them to per-SoC .c file.  Also, fix some PLL comments.

Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
2017-08-30 09:03:11 +09:00
Masahiro Yamada
546197b986 ARM: uniphier: replace <common.h> with <linux/delay.h> in pll settings
The #include <common.h> was added for mdelay().  Later, the declaration
of mdelay was moved to <linux/delay.h> by commit 5bc516ed66 ("delay:
collect {m, n, u}delay declarations to include/linux/delay.h").

There is no need to include <common.h> now.

Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
2017-08-30 09:03:11 +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
Tom Rini
8850c5d57c Kconfig: USB: Migrate CONFIG_USB_EHCI to CONFIG_USB_EHCI_HCD
In order to be able to migrate the various SoC EHCI CONFIG options we
first need to finish the switch from CONFIG_USB_EHCI to
CONFIG_USB_EHCI_HCD.

Cc: Marek Vasut <marex@denx.de>
Signed-off-by: Tom Rini <trini@konsulko.com>
Reviewed-by: Marek Vasut <marex@denx.de>
2017-05-15 10:40:05 -04:00
Masahiro Yamada
395e2142e4 ARM: uniphier: setup EHCI PHY paramters for LD11
Set the same PHY parameters as the Boot ROM uses.

Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
2017-04-20 23:49:50 +09:00
Masahiro Yamada
bc64795804 ARM: uniphier: set up charge pump current for MPLL of LD11 SoC
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
2017-02-23 09:00:16 +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
784548efb2 ARM: uniphier: rework spl_boot_device() and related code
The current implementation has ugly switch statements here and there,
and duplicates similar code.  Rework it using table lookups for SoC
data and reduce code duplication.

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
d9a70368db ARM: uniphier: replace <common.h> with <linux/delay.h> where possible
The <common.h> includes too many headers.  Actually, these files
needed to include it for udelay() declaration.  Now we can replace
it with <linux/delay.h> thanks to commit 5bc516ed66 ("delay:
collect {m, n, u}delay declarations to include/linux/delay.h").

Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
2017-01-22 15:33:00 +09:00
Masahiro Yamada
0f4ec05bbb ARM: uniphier: replace <linux/err.h> with <linux/errno.h>
These files only need error number macros.  Actually, IS_ERR(),
PTR_ERR(), ERR_PTR(), etc. are not useful for U-Boot.  Avoid
unnecessary header includes.

Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
2017-01-22 15:32:56 +09:00
Masahiro Yamada
a8e6300d48 ARM: uniphier: refactor spl_init_board()
Merge init-*.c into a single file using a table of callbacks because
the initialization flow is almost common among SoCs.

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
78c627cf1f ARM: uniphier: split out UMC clock enable
The clock enable bits for UMC are more SoC-specific than for
the other hardware blocks.  Separate the UMC clocks and the other
clocks for better code reuse across SoCs.

Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
2017-01-17 09:00:40 +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
9c5313dc09 ARM: uniphier: do not run harmful code for USB boot mode of LD11 ES3
The USB boot without the stand-by MPU is available on ES3 or later
of LD11 SoC, but the code in this if-conditional block must not be
run when booting from USB.  Check if the boot device is USB, and
skip the code in the case.

Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
2016-10-29 17:24:30 +09:00
Masahiro Yamada
76466bd7be ARM: uniphier: enable clocks to MIO/STDMAC on LD11 if USB is enabled
At the moment, the clk driver is not clever enough to automatically
enable parent clocks like Linux.  Enable the STDMAC clock explicitly
if USB is enabled.

Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
2016-10-29 17:24:30 +09:00
Masahiro Yamada
295326231d ARM: uniphier: enable SSC for more PLLs for LD20 SoC
For Electro-Magnetic Compatibility.

Set CPLL, SPLL2, MPLL, VPPLL, GPPLL, DPLL* to SSC rate 1 percent.

Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
2016-10-29 17:01:40 +09:00
Masahiro Yamada
dd39ee8a54 ARM: uniphier: remove unneeded mdelay() in PLL setting function
This delay is already cared by the callers of this function.

Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
2016-10-29 17:01:40 +09:00
Masahiro Yamada
70dda1b1e8 ARM: uniphier: remove unnecessary EHCI reset deassertion
It is now deasserted by the reset controller driver.  Drop the
ad-hoc code.

Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
2016-10-18 14:27:13 +09:00
Masahiro Yamada
6c22742d3d ARM: uniphier: enable SSC for DPLL (DRAM PLL) on LD11 SoC
For Electro-Magnetic Compatibility test.

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
fcc238baee ARM: uniphier: collect clock/PLL init code into a single directory
Now PLLs for DRAM controller are initialized in SPL, and the others
in U-Boot proper.  Setting up all of them in a single directory will
be helpful when we want to share code between SPL and U-Boot proper.

Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
2016-09-19 00:06:47 +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
29d63a59ea ARM: uniphier: add clock/reset settings for xHCI of ProXstream2
Deassert resets and enable clock signals of xHCI blocks if the
corresponding CONFIG is enabled.

Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
2016-07-24 00:44:55 +09:00
Masahiro Yamada
667dbcd01d ARM: uniphier: add PH1-LD11 SoC support
This is a low-cost ARMv8 SoC from Socionext Inc.

Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
2016-05-26 00:37:13 +09:00
Masahiro Yamada
9d0c2ceb35 ARM: uniphier: add PH1-LD20 SoC support
This is the first ARMv8 SoC from Socionext Inc.

Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
2016-04-24 09:54:08 +09:00
Masahiro Yamada
6797630685 cosmetic: Fix typos "privide"
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
2016-04-01 00:59:47 +09:00
Masahiro Yamada
5b66006646 ARM: uniphier: rename function names ph1_* to uniphier_*
Eliminate the "ph1"_ prefixes from function names because "uniphier_"
describes the SoC familiy better.

Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
2016-04-01 00:59:47 +09:00
Masahiro Yamada
ea65c98050 ARM: uniphier: drop PH1- prefix from CONFIG options and file names
The current CONFIG names like "CONFIG_ARCH_UNIPHIER_PH1_PRO4" is too
long.  It would not hurt to drop "PH1_" because "UNIPHIER_" already
well specifies the SoC family.  Also, rename files for consistency.

Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
2016-03-24 01:42:13 +09:00
Masahiro Yamada
cd0847fe63 ARM: uniphier: switch over to generic EHCI driver
The UniPhier EHCI driver (drivers/usb/host/ehci-uniphier.c) does
nothing special but set the base address and handle reset/clock.

Since commit 4feefdcfe9 ("usb: add clock support for generic EHCI"),
the generic one (drivers/usb/host/ehci-generic.c) can do those, too.

We no longer need to stick to the dedicated driver.

Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
2016-02-14 16:51:07 +09:00
Masahiro Yamada
107b3fb484 ARM: uniphier: move headers out of include/mach directory
These headers are only included locally in arch/arm/mach-uniphier/.
There is no reason to export them by putting in the mach/ directory.

Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
2016-01-13 01:54:53 +09:00
Tom Rini
da58dec866 Various Makefiles: Add SPDX-License-Identifier tags
After consulting with some of the SPDX team, the conclusion is that
Makefiles are worth adding SPDX-License-Identifier tags too, and most of
ours have one.  This adds tags to ones that lack them and converts a few
that had full (or in one case, very partial) license blobs into the
equivalent tag.

Cc: Kate Stewart <kstewart@linuxfoundation.org>
Signed-off-by: Tom Rini <trini@konsulko.com>
2015-11-10 09:19:52 -05:00
Masahiro Yamada
019df879a9 ARM: uniphier: add ProXstream2 and PH1-LD6b support
The DDR SDRAM initialization code has not been mainlined yet, but
U-Boot proper should work.

Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
2015-09-25 00:59:33 +09:00
Masahiro Yamada
28f40d4a4d ARM: uniphier: add PH1-Pro5 support
The DDR SDRAM initialization code has not been mainlined yet, but
U-Boot proper should work.

Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
2015-09-25 00:59:28 +09:00