Commit graph

60025 commits

Author SHA1 Message Date
Tom Rini
780a17e814 - fix sunxi LCD clock divider
- fix splash logo with DM_VIDEO and CONFIG_VIDEO_LOGO
 - fix splash banner output with DM_VIDEO
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Merge tag 'fixes-for-2019.10' of https://gitlab.denx.de/u-boot/custodians/u-boot-video.git

- fix sunxi LCD clock divider
- fix splash logo with DM_VIDEO and CONFIG_VIDEO_LOGO
- fix splash banner output with DM_VIDEO
2019-09-22 16:39:01 -04:00
Tom Rini
390183b581 Pull request for UEFI sub-system for v2019.10-rc4 (5)
This patch set fixes errors in the UEFI sub-system and adds a function to
 compare u16 strings which is prerequisite for further patches.
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Merge tag 'efi-2019-10-rc4-5' of https://gitlab.denx.de/u-boot/custodians/u-boot-efi

Pull request for UEFI sub-system for v2019.10-rc4 (5)

This patch set fixes errors in the UEFI sub-system and adds a function to
compare u16 strings which is prerequisite for further patches.
2019-09-21 07:31:23 -04:00
Mark Kettenis
f34e7fc29b sunxi: video: HDMI: Fix LCD clock divider
Currently we may end up with an LCD clock divider that differs from
the HDMI PHY clock divider if we can't exactly match the pixel clock.
Fix this by using DIV_ROUND_UP to calculate the divider.  This works
since the PLL is chosen such that the resulting pixel clock is
never higher than the requested pixel clock.

Fixes: 1feed358ed ("sunxi: video: HDMI: Fix clock setup")

Signed-off-by: Mark Kettenis <kettenis@openbsd.org>
2019-09-21 10:52:57 +02:00
Anatolij Gustschin
d2a8271c88 splash: fix splash banner output
Old splash code in cfb_console driver displayed U-Boot version
string by default. Restore this behaviour for DM_VIDEO enabled
configurations.

Signed-off-by: Anatolij Gustschin <agust@denx.de>
Reported-by: Fabio Estevam <festevam@gmail.com>
2019-09-21 10:22:54 +02:00
Anatolij Gustschin
8eba739716 imx: mx6sabreauto: fix splash logo drawing
Enable BMP code. Also configure white on black for video console.

Signed-off-by: Anatolij Gustschin <agust@denx.de>
2019-09-21 10:22:35 +02:00
Anatolij Gustschin
ea2458c54b imx: colibri_imx6: fix splash logo drawing
Define "splashimage" variable in the default environment
to enable splash screen drawing.

Signed-off-by: Anatolij Gustschin <agust@denx.de>
2019-09-21 10:22:26 +02:00
Anatolij Gustschin
e80aa8b029 imx: icore: fix splash logo drawing
Define "splashimage" variable in the default environment
and enable BMP code. Also configure white on black for
video console.

Signed-off-by: Anatolij Gustschin <agust@denx.de>
2019-09-21 10:22:08 +02:00
Anatolij Gustschin
666973320e imx: apalis_imx6: fix splash logo drawing
Define "splashimage" variable in the default environment
to enable splash screen drawing.

Signed-off-by: Anatolij Gustschin <agust@denx.de>
2019-09-21 10:21:34 +02:00
Anatolij Gustschin
b0413fc14b imx: mx6sabresd: fix splash logo drawing
After mxc_ipuv3 DM_VIDEO conversion showing splash image
doesn't work. Fix this. Also enable white on black console
configuration as it used to be with cfb_console driver.

Signed-off-by: Anatolij Gustschin <agust@denx.de>
Reported-by: Fabio Estevam <festevam@gmail.com>
Tested-by: Fabio Estevam <festevam@gmail.com>
2019-09-21 10:20:45 +02:00
Anatolij Gustschin
b2ec22b52d imx: wandboard: fix splash logo drawing
After mxc_ipuv3 DM_VIDEO conversion showing splash image
doesn't work. Fix this. Also enable white on black console
configuration as it used to be with cfb_console driver.

Signed-off-by: Anatolij Gustschin <agust@denx.de>
2019-09-21 10:12:55 +02:00
Anatolij Gustschin
7600d62eaf splash: fix logo drawing if CONFIG_VIDEO_LOGO enabled
After mxc_ipuv3 DM_VIDEO conversion board configs with enabled
CONFIG_VIDEO_LOGO do not show splash screen (previosly drawing
splash screen worked via cfb_console driver with CONFIG_VIDEO_LOGO
enabled). Use splash_source library for loading splash images
when CONFIG_SPLASH_SOURCE is selected, otherwise prepare built-in
video logo for drawing.

Signed-off-by: Anatolij Gustschin <agust@denx.de>
2019-09-21 10:12:55 +02:00
Tom Rini
d6c7309f56 Merge tag 'u-boot-rockchip-20190920' of https://gitlab.denx.de/u-boot/custodians/u-boot-rockchip
- Fix rk3288 tinker and evb SPL boot fail
- Enable get sn from cpuid for rk3399 rockpro64 board
2019-09-20 17:43:33 -04:00
AKASHI Takahiro
79907a4f84 test: add tests for u16_str<n>cmp()
New seven test cases for u16_str<n>cmp() are added under Unicode unit test,
which should be executed by "ut unicode" command.

Signed-off-by: AKASHI Takahiro <takahiro.akashi@linaro.org>
Reviewed-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
2019-09-20 20:09:19 +02:00
AKASHI Takahiro
f8062c963a lib: charset: add u16_str<n>cmp()
u16 version of strcmp(): u16_strncmp() works like u16_strcmp() but only
at most n characters (in u16) are compared.
This function will be used in my UEFI secure boot patch.

Signed-off-by: AKASHI Takahiro <takahiro.akashi@linaro.org>
Reviewed-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
2019-09-20 20:09:19 +02:00
AKASHI Takahiro
5a24239c95 efi_loader: selftest: enable APPEND_WRITE tests
Now that APPEND_WRITE is supported,
the result check for the only existing test case should be changed to
'todo' to 'error', while two more test cases are added.

Signed-off-by: AKASHI Takahiro <takahiro.akashi@linaro.org>
Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
2019-09-20 20:09:19 +02:00
AKASHI Takahiro
6d2f27c5fd efi_loader: variable: support APPEND_WRITE
If EFI_VARIABLE_APPEND_WRITE is specified in attributes at
efi_set_variable(), specified data will be appended to the variable's
original value. Attributes other than APPEND_WRITE should not be
modified.

With this patch, APPEND_WRITE test in 'variables' selftest will pass.

Signed-off-by: AKASHI Takahiro <takahiro.akashi@linaro.org>
2019-09-20 20:09:18 +02:00
Heinrich Schuchardt
7dc10c933c efi_loader: incorrect return value form DisconnectController
DisconnectController() should never return EFI_NOT_FOUND.
If EFI_DRIVER_BINDING_PROTOCOL.Stop() fails, return EFI_DEVICE_ERROR.

If the driver handle does not expose the EFI_DRIVER_BINDING_PROTOCOL
return EFI_INVALID_PARAMETER.

Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
2019-09-20 20:09:18 +02:00
AKASHI Takahiro
23ad52fff4 efi_loader: device_path: support Sandbox's "host" devices
Sandbox's "host" devices are currently described as UCLASS_ROOT udevice
with DEV_IF_HOST block device. As the current implementation of
efi_device_path doesn't support such a type, any "host" device
on sandbox cannot be seen as a distinct object.

For example,
  => host bind 0 /foo/disk.img

  => efi devices
  Scanning disk host0...
  Found 1 disks
  Device           Device Path
  ================ ====================
  0000000015c19970 /VenHw(e61d73b9-a384-4acc-aeab-82e828f3628b)
  0000000015c19d70 /VenHw(e61d73b9-a384-4acc-aeab-82e828f3628b)

  => efi dh
  Handle           Protocols
  ================ ====================
  0000000015c19970 Device Path, Device Path To Text, Device Path Utilities, Unicode Collation 2, HII String, HII Database, HII Config Routing
  0000000015c19ba0 Driver Binding
  0000000015c19c10 Simple Text Output
  0000000015c19c80 Simple Text Input, Simple Text Input Ex
  0000000015c19d70 Block IO, Device Path, Simple File System

As you can see here, efi_root (0x0000000015c19970) and host0 device
(0x0000000015c19d70) have the same representation of device path.

This is not only inconvenient, but also confusing since two different
efi objects are associated with the same device path and
efi_dp_find_obj() will possibly return a wrong result.

Solution:
Each "host" device should be given an additional device path node
of "vendor device path" to make it distinguishable.

Signed-off-by: AKASHI Takahiro <takahiro.akashi@linaro.org>
Reviewed-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
2019-09-20 20:09:18 +02:00
Tom Rini
aa8c6294ed Merge branch '2019-09-19-master-imports'
- Coding style corrections in some RTC drivers.
- Small doc updates.
- Regression fix in part_test_dos()
- Regression fix on TI OMAP WDTs.
- Document deadline for CONFIG_DM migration.
- Switch Travis-CI to "xenial" release.
2019-09-20 10:48:53 -04:00
Heinrich Schuchardt
282ed24fb3 dm: MIGRATION: Add migration plan for CONFIG_DM
For many sub-systems we already require the driver model to be used. Yet
there is still a handful of boards that do not have CONFIG_DM enabled.

We should make CONFIG_DM compulsory with release v2020.01

Conversion dates for CONFIG_DM_SPL and CONFIG_DM_TPL are yet to be defined.

Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
Reviewed-by: Simon Glass <sjg@chromium.org>
2019-09-19 12:54:30 -04:00
Suniel Mahesh
1e3966394a watchdog: omap_wdt: Fix WDT target reset when booted from emmc
AM335X based beaglebone black target gets reset by DM converted watchdog
if booted from emmc around 60sec. Fixed this by moving driver's private struct
variable initialization at different places in the driver to driver's probe.
Tested on Beaglebone Black.

Cc: Grygorii Strashko <grygorii.strashko@ti.com>
Fixes: 7659ea32 ("watchdog: omap_wdt: Convert watchdog driver to use DT and DM")
Reported-by: Sam Protsenko <semen.protsenko@linaro.org>
Signed-off-by: Suniel Mahesh <sunil.m@techveda.org>
Acked-by: Grygorii Strashko <grygorii.strashko@ti.com>
Reviewed-by: Sam Protsenko <semen.protsenko@linaro.org>
2019-09-19 12:54:29 -04:00
Tom Rini
4a7cf0fd2b scrapyard: Delete this file and script
The README.scrapyard file has been inconsistently updated.  While well
intentioned, bad data is worse than no data, and in this case a pointer
to use the history that git provides.  Remove the current content and
the script that would update it from time to time as well.

Signed-off-by: Tom Rini <trini@konsulko.com>
2019-09-19 12:54:29 -04:00
Faiz Abbas
7aed3d3809 disk: part_dos: Allocate at least one block size for mbr
The blk_dread() following the mbr allocation reads one block from the
device. This will lead to overflow if block size is greater than the
size of legacy_mbr. Fix this by allocating at least one block size.

Signed-off-by: Faiz Abbas <faiz_abbas@ti.com>
Acked-by: Alexey Brodkin <abrodkin@synopsys.com>
2019-09-19 12:54:29 -04:00
Lukasz Majewski
fd75bf7bfa kconfig: doc: Update comment regarding CONFIG_IS_ENABLED(FOO) for TPL
This patch adds some commit info for CONFIG_IS_ENABLED(FOO) when used in
TPL context.

Signed-off-by: Lukasz Majewski <lukma@denx.de>
2019-09-19 12:54:28 -04:00
Lukasz Majewski
5f8f46ee6a doc: fix: Replace SPL_OF_PLATDATA with OF_PLATDATA in examples
The of-plat.rst file till this change has been using

This is at best misleading as SPL_OF_PLATDATA is always defined when we
want to use this SPL tinification feature (also in U-Boot proper).
As a result the OF_PLATDATA SPL specific code is also compiled in when
U-Boot proper is build.

Signed-off-by: Lukasz Majewski <lukma@denx.de>
Reviewed-by: Peng Fan <peng.fan@nxp.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
2019-09-19 12:54:28 -04:00
Biwen Li
d64e01f367 rtc: ds3231/ds3232: fix coding style
The patch fixes coding style

Signed-off-by: Biwen Li <biwen.li@nxp.com>
2019-09-19 12:18:53 -04:00
Ramon Fried
e327768c3a travis.yml: change Ubuntu version to xenial
trusty is getting old, move to xenial (16.04)
to get updated gcc and other tools.

Signed-off-by: Ramon Fried <rfried.dev@gmail.com>
2019-09-19 12:18:53 -04:00
Kever Yang
4a6b74a3c4 rockchip: config: evb-rk3288: enable SPL_STACK_R
We need a new STACK in SDRAM instead of SRAM so that the EMMC controller
can work properly. The EMMC/SD controller's master is not able to access
SRAM area, it can only access DRAM area.

Signed-off-by: Kever Yang <kever.yang@rock-chips.com>
2019-09-19 09:35:31 +08:00
Kever Yang
507477ee3d rockchip: evb-rk3288: Drop explicit SPL_TEXT
SPL_TEXT_BASE is 0x0 by default, based on the kconfig
definition move in below commit.

"configs: move CONFIG_SPL_TEXT_BASE to Kconfig"
(sha1: f89d6133ee)

So, don't define it explicitly.

Signed-off-by: Kever Yang <kever.yang@rock-chips.com>
2019-09-19 09:35:31 +08:00
Jagan Teki
07390d1c0e configs: rk3288: Increase bootm length
Increase bootm length to 64MB satisfy max gunzip
size, even other rockchip and know SoC are following
same length check.

Reported-by: Michael Trimarchi <michael@amarulasolutions.com>
Signed-off-by: Jagan Teki <jagan@amarulasolutions.com>
Reviewed-by: Kever Yang <kever.yang@rock-chips.com>
2019-09-19 09:35:31 +08:00
Michael Trimarchi
f810ea6acb rockchip: rk3288-tinker: Attach missing peripherals at SPL
Tinker board needs to mux all the sdmmc gpio and
activate the regulator connected to bank 7. Remove
all the bank that are not in use and mark them as dm,spl
so-that it would initialize at SPL.

Signed-off-by: Michael Trimarchi <michael@amarulasolutions.com>
Signed-off-by: Jagan Teki <jagan@amarulasolutions.com>
Reviewed-by: Kever Yang<kever.yang@rock-chips.com>
2019-09-19 09:35:31 +08:00
Jagan Teki
4bd143b57d configs: tinker: Enable SDRAM, SPL stack
SPL sets up SDRAM while in its board_init_f()
function, it is possible for the stack to move
there before board_init_r() is reached.

So it is required to reserve the stack for SDRAM,
with a proper location and size otherwise any
operations during SPL handoff would leads to failure.

On, this particular context tinker-rk3288 SPL is
failing to launch U-Boot proper on SDRAM due to
lack of stack.

 U-Boot SPL 2019.10-rc3-00297-g5ba8b12543 (Sep 12 2019 - 08:50:36 +0530)
 Trying to boot from MMC1
 spl: mmc init failed with error: -110
 SPL: failed to boot from all boot devices
 ### ERROR ### Please RESET the board ###

So, enable SPL_STACK_R_ADDR and it's related-config
items for SDRAM, SPL stack to setup properly.

Reported-by: Jagan Teki <jagan@amarulasolutions.com>
Signed-off-by: Jagan Teki <jagan@amarulasolutions.com>
Reviewed-by: Kever Yang<kever.yang@rock-chips.com>
2019-09-19 09:35:31 +08:00
Jagan Teki
87d3fac2e9 configs: tinker: Drop explicit SPL_TEXT
SPL_TEXT_BASE is 0x0 by default, based on the kconfig
definition move in below commit.

"configs: move CONFIG_SPL_TEXT_BASE to Kconfig"
(sha1: f89d6133ee)

So, don't define it explicitly.

Signed-off-by: Jagan Teki <jagan@amarulasolutions.com>
Reviewed-by: Kever Yang<kever.yang@rock-chips.com>
2019-09-19 09:35:31 +08:00
Jagan Teki
891d4d1fca rockchip: spi-boot-order: Trival fix to newline missing
newline \n was missed in fdt_path_offset, error loop.

Signed-off-by: Jagan Teki <jagan@amarulasolutions.com>
Reviewed-by: Kever Yang<kever.yang@rock-chips.com>
2019-09-19 09:35:31 +08:00
Jagan Teki
4f24163efa ram: rk3288: Initialize dram for TPL builds
Few of the rk3288 boards like tinker, vyasa are using
TPL, SPL bootchain so the dram initialization must needed
during TPL stage. So add proper ifconstruct to satisfy
both TPL, SPL and SPL-only bootchain boards.

This eventually fixing TPL to SPL handoff, otherwise missing
dram initilaztion at TPL stage would leads to SPL hang.

Signed-off-by: Jagan Teki <jagan@amarulasolutions.com>
Reviewed-by: Kever Yang<kever.yang@rock-chips.com>
2019-09-19 09:35:31 +08:00
Jagan Teki
78efae613b configs: vyasa-rk3288: Fix SPL_TEXT_BASE
The initial Vyasa-rk3288 TPL implementation is to reuse the
SPL_TEXT_BASE for TPL and SPL as 0x0 and 0xff704000 respectively.

But the below commit implements the reverse way of using TEXT_BASE's
like 0xff704000 for TPL and 0x0 for SPL and which indeed update
the SPL_TEXT_BASE for vyasa-rk3288 board.
"rockchip: Kconfig: enable TPL support for rk3328"
(sha1: 3f47db0275)

So, fix by dropping the legacy SPL_TEXT_BASE and it will
reassign 0x0 by default based on Kconfig definition.

Reported-by: Jagan Teki <jagan@amarulasolutions.com>
Signed-off-by: Jagan Teki <jagan@amarulasolutions.com>
Reviewed-by: Kever Yang<kever.yang@rock-chips.com>
2019-09-19 09:35:31 +08:00
Jagan Teki
bacad567ac rockchip: rk3288: vyasa: Drop ROCKCHIP_BROM_HELPER selection
ROCKCHIP_BROM_HELPER is selected as if TPL/SPL ROCKCHIP_BACK_TO_BROM
has been defined, so drop the explicit enablement for vyasa board.

This change is supposed to missed during config move to
other locations, and missed to drop the same.

Signed-off-by: Jagan Teki <jagan@amarulasolutions.com>
Reviewed-by: Kever Yang<kever.yang@rock-chips.com>
2019-09-19 09:35:31 +08:00
Hugh Cole-Baker
fc925fd15f configs: rockpro64-rk3399: Enable CONFIG_MISC_INIT_R and ROCKCHIP_EFUSE
This enables reading the cpuid from e-fuse, and deriving a static
MAC address from it. Without this, the ethernet interface on the
rockpro64 can't be used to boot.

Signed-off-by: Hugh Cole-Baker <sigmaris@gmail.com>
Cc: Philipp Tomsich <philipp.tomsich@theobroma-systems.com>
Reviewed-by: Kever Yang <kever.yang@rock-chips.com>
2019-09-19 09:35:31 +08:00
Tom Rini
a9fa70b7b7 Merge https://gitlab.denx.de/u-boot/custodians/u-boot-fsl-qoriq
- Add emmc hs200 support
- Few bug fixes related to serdes, I2C, ethernet, etc
2019-09-16 13:13:45 -04:00
Tom Rini
0d6160a340 Merge branch 'master' of https://gitlab.denx.de/u-boot/custodians/u-boot-spi
- fix mvebu_a3700_spi clock prescale (Marek Behún)
- unmark MXS_SPI, DEPRECATED (Lukasz)
- add spi_write_then_read (Jagan)
- fix SST26* flash ICs (Eugeniy)
- fix soft_spi data abort (Christophe)
2019-09-16 13:13:12 -04:00
Jagan Teki
ce704ea11f doc: driver-model: Update SPI migration status
Update SPI drivers, driver model conversion status for
v2019.10 release.

Signed-off-by: Jagan Teki <jagan@amarulasolutions.com>
2019-09-16 08:09:22 +05:30
Eugeniy Paltsev
718fd834c0 mtd: spi-nor: enable protection ops for SST26 flash series
Commit c4e8862308 (mtd: spi: Switch to new SPI NOR framework)
performs switch from previous 'spi_flash' infrastructure without
proper testing/investigations which results in a regressions for
SST26 flash series.

Enable protection ops for SST26 flash series which were
previously enabled by
Commit 3d4fed87a5 (mtd: sf: Add support of sst26wf* flash ICs
protection ops)

Signed-off-by: Eugeniy Paltsev <Eugeniy.Paltsev@synopsys.com>
Reviewed-by: Jagan Teki <jagan@amarulasolutions.com>
2019-09-16 08:09:22 +05:30
Eugeniy Paltsev
e0cacdcc0a mtd: spi-nor: add missing SST26* flash IC protection ops
Commit c4e8862308 (mtd: spi: Switch to new SPI NOR framework)
performs switch from previous 'spi_flash' infrastructure without
proper testing/investigations which results in a regressions for
SST26 flash series.

Add missing SST26* flash IC protection ops which were introduced
previously by
Commit 3d4fed87a5 (mtd: sf: Add support of sst26wf* flash ICs
protection ops)

Signed-off-by: Eugeniy Paltsev <Eugeniy.Paltsev@synopsys.com>
Reviewed-by: Jagan Teki <jagan@amarulasolutions.com>
2019-09-16 08:09:22 +05:30
Jagan Teki
210d8ad0fa mtd: spi: Drop sf.c
spi_write_then_read, will manage to do the respective
spi_xfer based on the tx_buf, rx_buf so drop the
legacy spi_flash_read/write/cm code.

Tested-by: Adam Ford <aford173@gmail.com> #da850-evm
Signed-off-by: Jagan Teki <jagan@amarulasolutions.com>
2019-09-16 08:09:22 +05:30
Jagan Teki
43084a56b0 mtd: spi_dataflash: Use spi read then write
Now, we have spi_write_then_read routine that would handle
spi_xfer handling based on the tx_buf and rx_buf parameters.

So, replace individual flash read/write/cmd transfer call
with spi_write_then_read.

Cc: Egnite GmbH <info@egnite.de>
Cc: Daniel Gorsulowski <daniel.gorsulowski@esd.eu>
Cc: Ilko Iliev <iliev@ronetix.at>
Cc: Marek Vasut <marex@denx.de>
Cc: Mateusz Kulikowski <mateusz.kulikowski@gmail.com>
Cc: Alison Wang <alison.wang@nxp.com>
Tested-by: Adam Ford <aford173@gmail.com> #da850-evm
Signed-off-by: Jagan Teki <jagan@amarulasolutions.com>
2019-09-16 08:09:22 +05:30
Jagan Teki
8473b32127 spi: Add spi_write_then_read
Add support for SPI synchronous write followed by read,
this is common interface call from spi-nor to spi drivers.

Reviewed-by: Simon Glass <sjg@chromium.org>
Signed-off-by: Jagan Teki <jagan@amarulasolutions.com>
Tested-by: Adam Ford <aford173@gmail.com> #da850-evm
2019-09-16 08:09:22 +05:30
Lukasz Majewski
6bd6c21693 spi: Kconfig: Unmark DEPRECATED for MXS_SPI
MXS_SPI driver now partially converted into driver-model,
so unmark the DEPRECATED option for the same.

Signed-off-by: Lukasz Majewski <lukma@denx.de>
[jagan: update the commit message]
Signed-off-by: Jagan Teki <jagan@amarulasolutions.com>
Reviewed-by: Jagan Teki <jagan@amarulasolutions.com>
2019-09-16 08:09:22 +05:30
Christophe Kerello
dfe72d081d spi: soft_spi: Fix data abort if slave is not probed
In case spi_get_bus_and_cs callback is used, spi bus is first probed
then slave devices are probed. To avoid a data abort in soft_spi probe
function, we need to check that (slave != NULL).

If slave is NULL, cs_flags and clk_flags will be initialized with
respectively GPIOD_ACTIVE_LOW and 0.

Signed-off-by: Christophe Kerello <christophe.kerello@st.com>
Signed-off-by: Patrice Chotard <patrice.chotard@st.com>
Reviewed-by: Jagan Teki <jagan@amarulasolutions.com>
2019-09-16 08:09:22 +05:30
Marek Behún
07a5cb9d3b spi: mvebu_a3700_spi: Fix clock prescale computation
The prescaler value computation can yield wrong result if given 0x1f at
the beginning: the value is computed to be 0x20, but the maximum value
the register can hold 0x1f, so the actual stored value in this case is
0, which is obviously wrong.
Set the upper bound of the value to 0x1f with the min macro.

Signed-off-by: Marek Behún <marek.behun@nic.cz>
Reviewed-by: Stefan Roese <sr@denx.de>
Reviewed-by: Jagan Teki <jagan@amarulasolutions.com>
2019-09-16 08:09:22 +05:30
Tom Rini
a314ec1bfd Merge branch 'master' of git://git.denx.de/u-boot-sh 2019-09-15 21:14:26 -04:00