| Commit message (Collapse) | Author | Age | Files | Lines |
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Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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These functions are not meant to be a public interface, so they can well
be static. rpi_b_plus_init() was previously declared with a prototype,
which is no longer needed.
This fixes the following build warnings:
.../arch/arm/boards/raspberry-pi/rpi-common.c:124:6: warning: no previous prototype for 'rpi_add_led' [-Wmissing-prototypes]
void rpi_add_led(void)
^~~~~~~~~~~
.../arch/arm/boards/raspberry-pi/rpi-common.c:141:6: warning: no previous prototype for 'rpi_b_init' [-Wmissing-prototypes]
void rpi_b_init(void)
Signed-off-by: Roland Hieber <rhi@pengutronix.de>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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Previously the clkdev_add_phybase was called on magic register values,
add defines which clarify the device for which the phybase clkdev is created.
Signed-off-by: Rouven Czerwinski <r.czerwinski@pengutronix.de>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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Since we now support the miniuart, enable it as the default stdout port.
With this change the device tree overlay to switch the miniuart to bluetooth is
no longer necessary.
Signed-off-by: Rouven Czerwinski <r.czerwinski@pengutronix.de>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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Since the 16550 driver now supports the RPI3 miniuart, enable it in the default
config.
Signed-off-by: Rouven Czerwinski <r.czerwinski@pengutronix.de>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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The miniuart uses the core clock as the clock source. This clock is fixed by the
firmware to 250Mhz if enable_uart=1 is set in the config.txt file.
However a user could still choose to overclock the core frequency,
which would result in wrong baudrates computed by barebox.
Retrieve the core clock frequency from the firmware to allow all potential
firmware configurations to work with barebox.
Signed-off-by: Rouven Czerwinski <r.czerwinski@pengutronix.de>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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We don't know if the firmware running on the raspberry pi is the same firmware
which is running on all bcm283x devices.
Therefore move the console clock initialization into the rpi-common.c board file.
A future commit will use this function to retrieve the miniuart clock from the
raspberry pi firmware.
No functional changes.
Signed-off-by: Rouven Czerwinski <r.czerwinski@pengutronix.de>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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Signed-off-by: Rouven Czerwinski <r.czerwinski@pengutronix.de>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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On 64-bit machines int doesn't cover full address space, so convert
.res_start to both accept resource_size_t as a parameter and return it
as result.
Reviewed-by: Sam Ravnborg <sam@ravnborg.org>
Signed-off-by: Andrey Smirnov <andrew.smirnov@gmail.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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move platform_data from mach-imx/include/mach/ to include/platform_data
where it's available for other architectures aswell.
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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Avoid using cpu_is_* macros and use a dev_id instead. This will make it
easier to integrate the driver into another architecture.
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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The PFC200 has a KSZ886x switch connected. Some of its registers need to
be initialized for proper ehternet support. Add the initialization code.
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Cc: Heinrich.Toews@wago.com
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This removes the stale netx-devices.h include as there is no user of it.
Signed-off-by: Alexander Shiyan <shc_work@mail.ru>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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This removes the stale mach/sama5d3_matrix.h include as there is no user of it.
Signed-off-by: Alexander Shiyan <shc_work@mail.ru>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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This removes the stale asm/mc146818rtc.h include as there is no user of it.
Signed-off-by: Alexander Shiyan <shc_work@mail.ru>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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This removes the stale asm/e300.h include as there is no user of it.
Signed-off-by: Alexander Shiyan <shc_work@mail.ru>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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This removes the stale mach/dove.h include as there is no user of it.
Signed-off-by: Alexander Shiyan <shc_work@mail.ru>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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This removes the stale mach/clock-imx1.h include as there is no user of it.
Signed-off-by: Alexander Shiyan <shc_work@mail.ru>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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This removes the stale mach/am33xx-devices.h include as there is no user of it.
Signed-off-by: Alexander Shiyan <shc_work@mail.ru>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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This removes the stale mach/kirkwood.h include as there is no user of it.
Signed-off-by: Alexander Shiyan <shc_work@mail.ru>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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Signed-off-by: Alexander Shiyan <shc_work@mail.ru>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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arch/arm/boards/qemu-virt64/Kconfig is not used by build system,
so it can be removed.
Signed-off-by: Alexander Shiyan <shc_work@mail.ru>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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Just a cleanup over barebox tree
Signed-off-by: Alexander Shiyan <shc_work@mail.ru>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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Signed-off-by: Antony Pavlov <antonynpavlov@gmail.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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Signed-off-by: Antony Pavlov <antonynpavlov@gmail.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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At least some ath79 SoC have build in 32K RAM. It allow us to use
lowlevel portion of barebox to bootstrap the system by using JTAG
debugger (For example OpenOCD).
Since ath79 has no reliable way to stop the CPU execution before
reading SPI Flash, this can cause different issues. To avoid it, we
need to flash a execution trap with software debug breakpoint to the
flash.
The workflow should be as follow:
- After power on or reset the CPU will start execution of SPI flash.
As soon as software debug breakpoint is executed, CPU will halt and
notify OpenOCD about breakpoint event.
- OpenOCD will load reduced barebox to SRAM and execute it.
This part will do all needed low level initialization - PLL, RAM and
trigger second breakpoint event.
- OpenOCD will load full barebox version to the main RAM and start
execution.
It can be used for bring-up, so no regular flashing is needed.
Signed-off-by: Oleksij Rempel <linux@rempel-privat.de>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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most ar9331 boards are almost identical. Remove as much duplicate code
as possible.
Signed-off-by: Oleksij Rempel <linux@rempel-privat.de>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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most ar9331 boards are almost identical. Remove as much duplicate code
as possible.
Signed-off-by: Oleksij Rempel <linux@rempel-privat.de>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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Signed-off-by: Antony Pavlov <antonynpavlov@gmail.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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Only the following cdevs do not declare an .lseek() operation:
- Console devices in common/console.c
- Firmware framework in common/firmware.c
- JTAG driver in drivers/misc/jtag.c
- UBI in drivers/mtd/ubi/barebox.c
Of those four, first two are marked DEVFS_IS_CHARACTER_DEV and
implement only .write() operation and the last two don't implement
anything but .ioctl(). While there's probably no meaningful way to use
lseek() against any of those devices, there doesn't seem to be any
harm in allowing it either.
Change devfs_lseek() to ignore absense of .lseek() callback and drop
dev_lseek_default() and all references to it in the codebase.
Signed-off-by: Andrey Smirnov <andrew.smirnov@gmail.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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Rev 2.1 of i.MX8MQ silicon needs a special check different from
predecessor. Add all of the neccessary code to do just that (based on
similar code in vendor U-Boot tree).
Signed-off-by: Andrey Smirnov <andrew.smirnov@gmail.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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Don't read all 32-bits located at IMX8MQ_ROM_VERSION_*0 since that,
besides ROM version major in LSB, willl also contain minor components
which we don't account for in the following checks. Change the code to
only read LSB instead.
This is a port of a vendor U-Boot[1] commit
0377dc881a96b46d858643dfaa5f9ef0dd4acccc ("MLK-19465 imx8mq: Fix cpu
rev issue on B0.1 chip")
[1] https://source.codeaurora.org/external/imx/uboot-imx
Signed-off-by: Andrey Smirnov <andrew.smirnov@gmail.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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Invert the logic in imx8mq_cpu_revision() and convert it to use early
return. This is done in perparation for more corner case logic added
in the following commits. No functional change intended.
Signed-off-by: Andrey Smirnov <andrew.smirnov@gmail.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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Port of a Linux commit 2d8ed461dbc9bc734185db92d2b9d1bb7b586b30
Add code needed to support i.MX8MQ variant.
Signed-off-by: Andrey Smirnov <andrew.smirnov@gmail.com>
Signed-off-by: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
Reviewed-by: Lucas Stach <l.stach@pengutronix.de>
Cc: Bjorn Helgaas <bhelgaas@google.com>
Cc: Fabio Estevam <fabio.estevam@nxp.com>
Cc: Chris Healy <cphealy@gmail.com>
Cc: Lucas Stach <l.stach@pengutronix.de>
Cc: Leonard Crestez <leonard.crestez@nxp.com>
Cc: "A.s. Dong" <aisheng.dong@nxp.com>
Cc: Richard Zhu <hongxing.zhu@nxp.com>
Signed-off-by: Andrey Smirnov <andrew.smirnov@gmail.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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Add PCI fixups section to linker script, so it would be possible to
enable PCI support.
Signed-off-by: Andrey Smirnov <andrew.smirnov@gmail.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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Add support for the following ZII i.MX8MQ based boards:
- ZII i.MX8MQ RMB3
- ZII i.MX8MQ Zest
Most of the basic peripherals are supported by this patch. More
advanced features such as PCIe, display support, etc, are planned to
be added later.
Signed-off-by: Andrey Smirnov <andrew.smirnov@gmail.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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Signed-off-by: Andrey Smirnov <andrew.smirnov@gmail.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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We don't intend to ship any files in this directory, so there is no
risk of the directory getting too crowded over time. Drop the subdir
as this makes it easier for a outer build system to drop all the
needed firmwares into the correct directory.
Signed-off-by: Lucas Stach <l.stach@pengutronix.de>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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Port of a Linux commit 9b3fe6796d7c0e0c2b87243ce0c7f4744c54efad
Add various bits of code needed to support i.MX7D variant of the IP.
Signed-off-by: Andrey Smirnov <andrew.smirnov@gmail.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Reviewed-by: Lucas Stach <l.stach@pengutronix.de>
Acked-by: Lee Jones <lee.jones@linaro.org>
Acked-by: Rob Herring <robh@kernel.org>
Cc: yurovsky@gmail.com
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Fabio Estevam <fabio.estevam@nxp.com>
Cc: Dong Aisheng <dongas86@gmail.com>
Cc: linux-arm-kernel@lists.infradead.org
Cc: devicetree@vger.kernel.org
Signed-off-by: Andrey Smirnov <andrew.smirnov@gmail.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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Original patch from Uwe Kleine-König, I fixed the
review comments and the imxcfg file to use the udoo neo values.
I also tested the support on the udoo neo full board.
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Signed-off-by: Rouven Czerwinski <r.czerwinski@pengutronix.de>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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AArch64 implements all of the DMA API functions, so it should select
HAS_DMA to allow building drivers that depend on that.
Signed-off-by: Andrey Smirnov <andrew.smirnov@gmail.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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