Commit graph

42108 commits

Author SHA1 Message Date
Kever Yang
b0c5e04cab rockchip: rk3036: dts: bind usb vbus-supply source
Bind usb host and otg vbus to its source.

Signed-off-by: Kever Yang <kever.yang@rock-chips.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
2017-03-16 16:03:47 -06:00
Heiko Stübner
0e27248388 rockchip: rk3188: drop CONFIG_SYS_NO_FLASH
Commit e856bdcfb4 ("flash: complete CONFIG_SYS_NO_FLASH move with renaming")
obsoleted the CONFIG_SYS_NO_FLASH option, which still is in our
rk3188_common.h header, resulting in warnings like
    The following new ad-hoc CONFIG options were detected:
    CONFIG_SYS_NO_FLASH

So also drop it from the rk3188 header.

Signed-off-by: Heiko Stuebner <heiko@sntech.de>
Acked-by: Simon Glass <sjg@chromium.org>
2017-03-16 16:03:47 -06:00
Heiko Stübner
d905cf7365 dm: Return actual bools in dm_fdt_pre_reloc
Documentation says that we're returning true/false, not 1/0 so adapt
the function to return actual booleans.

Signed-off-by: Heiko Stuebner <heiko@sntech.de>
Acked-by: Simon Glass <sjg@chromium.org>
2017-03-16 16:03:47 -06:00
Jacob Chen
5c0206cc10 rockchip: configs: Enable networking support on rk3288 boards
At current, only firefly and rock2 have network enabled.
Let's enable other boards.

Signed-off-by: Jacob Chen <jacob2.chen@rock-chips.com>
Acked-by: Simon Glass <sjg@chromium.org>
2017-03-16 16:03:47 -06:00
Jacob Chen
ee4bc340a0 ARM: dts: rockchip: enable gmac for rk3288 boards
Enable gmac interface for rk3288 board dts.
use "okay" not "ok"

Signed-off-by: Jacob Chen <jacob2.chen@rock-chips.com>
Acked-by: Simon Glass <sjg@chromium.org>
2017-03-16 16:03:47 -06:00
Eddie Cai
9b21b4547f dts: rk3036: add sdmmc for rk3036
rk3036 support sdmmc, add dts node to support it.

Signed-off-by: Eddie Cai <eddie.cai.linux@gmail.com>
Acked-by: Simon Glass <sjg@chromium.org>
2017-03-16 16:03:46 -06:00
Eddie Cai
5f9411af37 dts: rk3399: add mmc alias for rk3399
add mmc alias for rk3399

Signed-off-by: Eddie Cai <eddie.cai.linux@gmail.com>
Acked-by: Simon Glass <sjg@chromium.org>
2017-03-16 16:03:46 -06:00
Kever Yang
d154e57d04 rockchip: rk3328: add defconfig for evb-rk3328
Enable board config for evb-rk3328.
SDcard and eMMC boot is OK in this initial version,
USB and EMAC function is not available now, will comes later.

Signed-off-by: William Zhang <william.zhang@rock-chips.com>
Signed-off-by: Kever Yang <kever.yang@rock-chips.com>
Acked-by: Simon Glass <sjg@chromium.org>
2017-03-16 16:03:46 -06:00
Kever Yang
625ec503cb rockchip: rk3328: add evb-rk3328 support
evb-rk3328 is an evb from Rockchip based on rk3328 SoC:
- 2 USB2.0 Host port;
- 1 USB3.0 Host port;
- 1 HDMI port;
- 2 10/100M eth port;
- 2GB ddr;
- 16GB eMMC;
- UART to USB debug port;

Signed-off-by: William Zhang <william.zhang@rock-chips.com>
Signed-off-by: Kever Yang <kever.yang@rock-chips.com>
Acked-by: Simon Glass <sjg@chromium.org>
2017-03-16 16:03:46 -06:00
Kever Yang
52f6c17ecb rockchip: rk3328: add sysreset driver
Add rk3328 sysreset driver.

Signed-off-by: William Zhang <william.zhang@rock-chips.com>
Signed-off-by: Kever Yang <kever.yang@rock-chips.com>
Acked-by: Simon Glass <sjg@chromium.org>
2017-03-16 16:03:46 -06:00
Kever Yang
d439a46e46 rockchip: rk3328: add pinctrl driver
Add rk3328 pinctrl driver and grf/iomux structure definition.

Signed-off-by: William Zhang <william.zhang@rock-chips.com>
Signed-off-by: Kever Yang <kever.yang@rock-chips.com>
Acked-by: Simon Glass <sjg@chromium.org>
2017-03-16 16:03:46 -06:00
Kever Yang
41793000d7 rockchip: rk3328: add clock driver
Add rk3328 clock driver and cru structure definition.

Signed-off-by: William Zhang <william.zhang@rock-chips.com>
Signed-off-by: Kever Yang <kever.yang@rock-chips.com>
2017-03-16 16:03:46 -06:00
Kever Yang
85a3cfb80a rockchip: rk3328: add soc basic support
RK3328 is a SoC from Rockchip with quad-core Cortex-A53 CPU.
It supports two USB2.0 EHCI ports. Other interfaces are very
much like RK3288, the DRAM are 32bit width address and support
address from 0 to 4GB-16MB range.

Signed-off-by: William Zhang <william.zhang@rock-chips.com>
Signed-off-by: Kever Yang <kever.yang@rock-chips.com>
Acked-by: Simon Glass <sjg@chromium.org>
Add empty arch/arm/mach-rockchip/rk3328/Kconfig to avoid build error:
Signed-off-by: Simon Glass <sjg@chromium.org>
2017-03-16 16:03:46 -06:00
Kever Yang
e94ffee335 rockchip: rk3328: add device tree file
Add dts binding header for rk3328, files origin from kernel.

Signed-off-by: William Zhang <william.zhang@rock-chips.com>
Signed-off-by: Kever Yang <kever.yang@rock-chips.com>
Acked-by: Simon Glass <sjg@chromium.org>
2017-03-16 16:03:46 -06:00
Kever Yang
66e87cc842 rockchip: config: rk3399: enable SPL config for evb-rk3399
Enable all the CONFIGs which need by SPL.

Signed-off-by: Kever Yang <kever.yang@rock-chips.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
Added rockchip tag:
Drop CONFIG_ROCKCHIP_DWMMC for now due to build error:
Move changes to arch/arm/mach-rockchip/Kconfig to this patch:
Signed-off-by: Simon Glass <sjg@chromium.org>
2017-03-16 16:03:46 -06:00
Kever Yang
3012a840ed rockchip: arm64: rk3399: add SPL support
Add SPL support for rk3399, default with of-platdata enabled.

Signed-off-by: Kever Yang <kever.yang@rock-chips.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
Drop Kconfig changes to fix build error:
Signed-off-by: Simon Glass <sjg@chromium.org>
2017-03-16 16:03:46 -06:00
Kever Yang
a82426e073 rockchip: dts: rk3399: update for spl require driver
Add syscon and dmc node, and 'u-boot,dm-pre-reloc' option for
required driver.

Signed-off-by: Kever Yang <kever.yang@rock-chips.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
Added rockchip tag:
Signed-off-by: Simon Glass <sjg@chromium.org>
2017-03-16 16:03:46 -06:00
Kever Yang
fa437430ad rockchip: arm64: rk3399: add ddr controller driver
RK3399 support DDR3, LPDDR3, DDR4 sdram, this patch is porting from
coreboot, support 4GB lpddr3 in this version.

Signed-off-by: Kever Yang <kever.yang@rock-chips.com>
Added rockchip: tag:
Signed-off-by: Simon Glass <sjg@chromium.org>
2017-03-16 16:03:45 -06:00
Eddie Cai
26d5ee8f9b rockchip: tinker: configs: use correct mmc instance as boot target device
We are using wrong mmc instance as boot target device now. below Jaehoon Chung's
patch use mmc alias which correct it. That make tinker board can not find mmc
device. So give it correct mmc device instance.

        commit 02ad33aa3a
        Author: Jaehoon Chung <jh80.chung@samsung.com>
        Date:   Thu Feb 2 13:41:14 2017 +0900

            mmc: mmc-uclass: use the fixed devnum with alias node

Signed-off-by: Eddie Cai <eddie.cai.linux@gmail.com>
Acked-by: Simon Glass <sjg@chromium.org>
2017-03-16 16:03:45 -06:00
Jacob Chen
6da8fb2f32 rockchip: firefly: configs: remove config_spl_of_platdata
We should remove config_spl_of_platdata to build u-boot-spl-dtb.bin rather than u-boot-spl-nodtb.bin
since we use spl_back_to_brom.

I miss it because i forget to clean build-dir..

Signed-off-by: Jacob Chen <jacob-chen@iotwrt.com>
Acked-by: Simon Glass <sjg@chromium.org>
2017-03-16 16:03:45 -06:00
Heiko Stübner
df9041ec72 rockchip: rk3188: Add main, spl and tpl boards
The rk3188 needs 3 U-Boot stages: a tpl living in 1KB of sram, a spl
the resides in the rest of the sram and loads the regular U-Boot living
in regular ram.

Signed-off-by: Heiko Stuebner <heiko@sntech.de>
Tested-by: Kever Yang <kever.yang@rock-chips.com>
2017-03-16 16:03:45 -06:00
Heiko Stübner
3e747197b1 rockchip: rk3188: Add sdram driver
The sdram controller blocks are very similar to the rk3288 in utilizing
memory scheduler, Designware uPCTL and Designware PUBL blocks, only
limited to one bank instead of two.

There are some minimal differences when setting up the ram, so it gets
a separate driver for the rk3188 but reuses the driver structs, as there
is no need to define the same again.

More optimization can happen when the modelling of the controller parts
in the dts actually follow the hardware layout hopefully at some point
in the future.

Signed-off-by: Heiko Stuebner <heiko@sntech.de>
Reviewed-by: Simon Glass <sjg@chromium.org>
Tested-by: Kever Yang <kever.yang@rock-chips.com>
2017-03-16 16:03:45 -06:00
Heiko Stübner
0a2be69fbf rockchip: rk3188: Add core support
Add the core architecture code for the rk3188.
It doesn't support the SPL yet, as because of some
unknown error it doesn't start yet.

Signed-off-by: Heiko Stuebner <heiko@sntech.de>
Reviewed-by: Simon Glass <sjg@chromium.org>
Tested-by: Kever Yang <kever.yang@rock-chips.com>
Drop these defines from rk3188_common.h
   CONFIG_GENERIC_MMC, CONFIG_BOUNCE_BUFFER, CONFIG_DOS_PARTITION
   CONFIG_PARTITION_UUIDS, CONFIG_CMD_PART:
Signed-off-by: Simon Glass <sjg@chromium.org>
2017-03-16 16:03:45 -06:00
Heiko Stübner
a57f2b86b7 rockchip: rk3188: Add core devicetree files
The rk3188 shares a lot of peripherals with the rk3066 and thus
has a common include called rk3xxx.dtsi. Add both this one and
the specialized rk3188 on top of it.

Signed-off-by: Heiko Stuebner <heiko@sntech.de>
Reviewed-by: Simon Glass <sjg@chromium.org>
Tested-by: Kever Yang <kever.yang@rock-chips.com>
2017-03-16 16:03:45 -06:00
Heiko Stübner
dcdd32788a rockchip: rk3188: Add clock driver
Add a driver for setting up and modifying the various PLLs and peripheral
clocks on the RK3188.

Signed-off-by: Heiko Stuebner <heiko@sntech.de>
Reviewed-by: Simon Glass <sjg@chromium.org>
Tested-by: Kever Yang <kever.yang@rock-chips.com>
2017-03-16 16:03:45 -06:00
Heiko Stübner
7b2500babd rockchip: rk3188: Add rk3066/rk3188 clock bindings
Bring in required device clock binding files from Linux.
The clock trees for rk3066 and rk3188 are largely similar, which makes
them share the common parts in a shared header. While we focus on rk3188
for now, bring in both headers already for completeness sake.

Signed-off-by: Heiko Stuebner <heiko@sntech.de>
Acked-by: Simon Glass <sjg@chromium.org>
Tested-by: Kever Yang <kever.yang@rock-chips.com>
2017-03-16 16:03:45 -06:00
Heiko Stübner
37c07c5b1f rockchip: rk3188: Add sysreset driver
Driver for the sysreset of Rockchip rk3188 socs.

Signed-off-by: Heiko Stuebner <heiko@sntech.de>
Reviewed-by: Simon Glass <sjg@chromium.org>
Tested-by: Kever Yang <kever.yang@rock-chips.com>
2017-03-16 16:03:45 -06:00
Heiko Stübner
155cd37f2c rockchip: rk3188: Add pinctrl driver
Add a driver which supports pin multiplexing setup for the most commonly
used peripherals.

Signed-off-by: Heiko Stuebner <heiko@sntech.de>
Acked-by: Simon Glass <sjg@chromium.org>
Tested-by: Kever Yang <kever.yang@rock-chips.com>
2017-03-16 16:03:45 -06:00
Heiko Stübner
ca06a230d3 rockchip: rk3188: Add header files for PMU and GRF
PMU is the power management unit and GRF is the general register file. Both
are heavily used in U-Boot. Add header files with register definitions.

Signed-off-by: Heiko Stuebner <heiko@sntech.de>
Acked-by: Simon Glass <sjg@chromium.org>
Tested-by: Kever Yang <kever.yang@rock-chips.com>
2017-03-16 16:03:44 -06:00
Heiko Stübner
cd76916fa3 rockchip: serial: Adapt rockchip of-platdata driver for rk3188
Add necessary structs to have the driver also work for the serial
on the rk3188.

Signed-off-by: Heiko Stuebner <heiko@sntech.de>
Reviewed-by: Simon Glass <sjg@chromium.org>
Tested-by: Kever Yang <kever.yang@rock-chips.com>
2017-03-16 16:03:44 -06:00
Heiko Stübner
162c46d5ee rockchip: mkimage: Add support rk3188 serial
Add the entry for the rk3188 requiring rc4-encryption of the SPL.

Signed-off-by: Heiko Stuebner <heiko@sntech.de>
Reviewed-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Kever Yang <kever.yang@rock-chips.com>
2017-03-16 16:03:44 -06:00
Heiko Stübner
cfbcdade76 rockchip: mkimage: Allow encoding of loader code in spl images
Rockchip SoCs allow the spl code to be rc4-encoded, not only the
image header, but only newer SoCs allow this encoding to be disabled.

The rk3188 is not part of those and requires its boot code to be
rc4-encoded with the regular key. So add the ability to do this
encoding via a setting on a per-soc basis when building spl images.

Signed-off-by: Heiko Stuebner <heiko@sntech.de>
Reviewed-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Kever Yang <kever.yang@rock-chips.com>
Tested-by: Kever Yang <kever.yang@rock-chips.com>
2017-03-16 16:03:44 -06:00
Heiko Stübner
aade077e43 rockchip: Move bootrom-related declarations to a header
So far spl-boards have declared the back_to_brom() function as simple
extern in the files themself. That doesn't scale well if every boards
defines this on its own.
Therefore move the declarations to a bootrom header.

Signed-off-by: Heiko Stuebner <heiko@sntech.de>
Tested-by: Kever Yang <kever.yang@rock-chips.com>
2017-03-16 16:03:44 -06:00
Heiko Stübner
1d845947a3 rockchip: Move bootrom helper compilation to a hidden option
Right now the ROCKCHIP_SPL_BACK_TO_BROM option both triggers
compilation of the bootrom hook-code as well as enabling the
behaviour of loading the full U-Boot via the boot.

New added socs may always need the bootrom code, while still
being able to decide between loading U-Boot regularly or via
the bootrom separately.

So move the compilation of the bootrom code to a hidden option
that gets selected by ROCKCHIP_SPL_BACK_TO_BROM, but can also
be selected by other parts.

Signed-off-by: Heiko Stuebner <heiko@sntech.de>
Reviewed-by: Simon Glass <sjg@chromium.org>
Tested-by: Kever Yang <kever.yang@rock-chips.com>
2017-03-16 16:03:44 -06:00
Heiko Stübner
8f3cbef57d rockchip: rk3288: sdram: style fixes from rk3188 sdram review
The sdram IP blocks used on rk3066, rk3188 and rk3288 are very similar
and we want to unify things once all 3 work as expected.
Therefore try to keep the rk3288 sdram driver in line by applying the
general review comments received for the rk3188 variant to it as well.

Signed-off-by: Heiko Stuebner <heiko@sntech.de>
Acked-by: Simon Glass <sjg@chromium.org>
2017-03-16 16:03:44 -06:00
Heiko Stübner
bd7e6086c5 rockchip: rk3288: sdram: use constants in ddrconf table
Use defines to describe the bit shifts used to create the
table for ddrconf register values.

Signed-off-by: Heiko Stuebner <heiko@sntech.de>
Acked-by: Simon Glass <sjg@chromium.org>
2017-03-16 16:03:44 -06:00
Heiko Stübner
6496498a62 rockchip: clk: rk3288: limit gpll and cpll init to SPL build
The gpll and cpll init values are only used in rk_clk_init in the SPL
and therefore produce compile time warnings in regular uboot builds.
Fix that with an #ifdef.

Signed-off-by: Heiko Stuebner <heiko@sntech.de>
Acked-by: Simon Glass <sjg@chromium.org>
Added rockchip tag:
Signed-off-by: Simon Glass <sjg@chromium.org>
2017-03-16 16:03:44 -06:00
Heiko Stübner
27326c7ee2 dm: allow limiting pre-reloc markings to spl or tpl
Right now the u-boot,dm-pre-reloc flag will make each marked node
always appear in both spl and tpl. But systems needing an additional
tpl might have special constraints for each, like the spl needing to
be very tiny.

So introduce two additional flags to mark nodes for only spl or tpl
environments and introduce a function dm_fdt_pre_reloc to automate
the necessary checks in code instances checking for pre-relocation
flags.

The behaviour of the original flag stays untouched and still marks
a node for both spl and tpl.

Signed-off-by: Heiko Stuebner <heiko@sntech.de>
Reviewed-by: Simon Glass <sjg@chromium.org>
Tested-by: Kever Yang <kever.yang@rock-chips.com>
2017-03-16 16:03:44 -06:00
Kever Yang
2adb981207 rockchip: arm64: rk3399: syscon addition for rk3399
rk3399 has different syscon registers which may used in spl,
add to support rk3399 spl.

Signed-off-by: Kever Yang <kever.yang@rock-chips.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
Added rockchip tag:
Signed-off-by: Simon Glass <sjg@chromium.org>
2017-03-16 16:03:44 -06:00
Kever Yang
6657f66418 rockchip: pinctrl: rk3399: add the of-platdata support
Do not use the API which of-platdata not support.

Signed-off-by: Kever Yang <kever.yang@rock-chips.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
Added rockchip tag:
Signed-off-by: Simon Glass <sjg@chromium.org>
2017-03-16 16:03:43 -06:00
Kever Yang
c2868212bb rockchip: sdhci: rk3399: update driver to support of-platdata
Change some API in order to enable of-platdata.

Signed-off-by: Kever Yang <kever.yang@rock-chips.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
Added rockchip tag:
Signed-off-by: Simon Glass <sjg@chromium.org>
2017-03-16 16:03:43 -06:00
Kever Yang
5ae2fd9724 rockchip: clk: rk3399: update driver for spl
Add ddr clock setting, add rockchip_get_pmucru API,
and enable of-platdata support.

Signed-off-by: Kever Yang <kever.yang@rock-chips.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
Added rockchip tag and fix pmuclk_init() build warning:
Signed-off-by: Simon Glass <sjg@chromium.org>
2017-03-16 16:03:43 -06:00
Kever Yang
fa72de1045 rockchip: arm64: rk3399: move grf register definitions to grf_rk3399.h
rk3399 grf register bit defenitions should locate in header
file, so that not only pinctrl can use it.

Signed-off-by: Kever Yang <kever.yang@rock-chips.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
Added rockchip tag:
Signed-off-by: Simon Glass <sjg@chromium.org>
2017-03-16 16:03:43 -06:00
Eddie Cai
739760569f rockchip: rk3288: use spl_early_init() instead of spl_init()
Use spl_early_init() to make sure that early malloc() is initialised. This
fixes booting on firefly-rk3288, for example.

Signed-off-by: Eddie Cai <eddie.cai.linux@gmail.com>
Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Eddie Cai <eddie.cai.linux@gmail.com>
2017-03-16 16:03:43 -06:00
Eddie Cai
340f418acd spl: Add spl_early_init()
At present malloc_base/_limit/_ptr are not initialised in spl_init() when
we call spl_init() in board_init_f(). This is due to a recent change aimed
at avoiding overwriting the malloc area set up on some boards by
spl_relocate_stack_gd().

However if CONFIG_SPL_STACK_R_MALLOC_SIMPLE_LEN is not defined, we now
skip setting up the memory area in spl_init() which is obviously wrong.

To fix this, add a new function spl_early_init() which can be called in
board_init_f().

Fixes: b3d2861e (spl: Remove overwrite of relocated malloc limit)
Signed-off-by: Eddie Cai <eddie.cai.linux@gmail.com>
Rewrote spl_{,early_}init() to avoid duplicate code:
Rewrite/expand commit message:
Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Eddie Cai <eddie.cai.linux@gmail.com>
2017-03-16 16:03:43 -06:00
Masahiro Yamada
2808576491 arm64: booti: allow to place kernel image anywhere in physical memory
At first, the ARM64 Linux booting requirement recommended that the
kernel image be placed text_offset bytes from 2MB aligned base near
the start of usable system RAM because memory below that base address
was unusable at that time.

This requirement was relaxed by Linux commit a7f8de168ace ("arm64:
allow kernel Image to be loaded anywhere in physical memory").
Since then, the bit 3 of the flags field indicates the tolerance
of the kernel physical placement.  If this bit is set, the 2MB
aligned base may be anywhere in physical memory.  For details, see
Documentation/arm64/booting.txt of Linux.

The booti command should be also relaxed.  If the bit 3 is set,
images->ep is respected, and the image is placed at the nearest
bootable location.  Otherwise, it is relocated to the start of the
system RAM to keep the original behavior.

Another wrinkle we need to take care of is the unknown endianness of
text_offset for a kernel older than commit a2c1d73b94ed (i.e. v3.16).
We can detect this based on the image_size field.  If the field is
zero, just use a fixed offset 0x80000.

Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
2017-03-14 20:40:23 -04:00
Masahiro Yamada
3b0825296a tools: fix cross-compiling tools when HOSTCC is overridden
Richard reported U-Boot tools issues in OpenEmbedded/Yocto project.

OE needs to be able to change the default compiler. If we pass in
HOSTCC through the make command, it overwrites all HOSTCC instances,
including ones in tools/Makefile and tools/env/Makefile, which breaks
"make cross_tools" and "make env", respectively.

Add "override" directives to avoid overriding HOSTCC instances that
really need to point to the cross-compiler.

Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Reported-by: Richard Purdie <richard.purdie@linuxfoundation.org>
Reviewed-by: Simon Glass <sjg@chromium.org>
2017-03-14 20:40:22 -04:00
Masahiro Yamada
433cbfb3b3 tiny-printf: add static to locally used functions
These two functions are only used in lib/tiny-printf.c .

Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Tested-by: Andreas Färber <afaerber@suse.de>
Reviewed-by: Stefan Roese <sr@denx.de>
2017-03-14 20:40:22 -04:00
Ladislav Michl
e4290aa10a igep00x0: fixup FDT according to detected flash type
Leave only detected flash type enabled in FTD as otherwise GPMC CS is
claimed (and never freed) by Linux, causing 'concurent' flash type
not to be probed.

Signed-off-by: Ladislav Michl <ladis@linux-mips.org>
2017-03-14 20:40:22 -04:00
Ladislav Michl
d12814e7c5 igep00x0: disable environment
ISEE's U-Boot and Linux are using 1bit ECC scheme, while we
switched to 8bit ECC to fullfill flash specification requirements.
However when trying to run U-Boot on board with 1bit ECC'd data
on flash, UBI code takes several minutes to pass scan as reading
of every block ends with ecc error (which is also printed on
console).
So, until proper solution is developed, disable environment
alltogether.

Signed-off-by: Ladislav Michl <ladis@linux-mips.org>
2017-03-14 20:40:21 -04:00