| Commit message (Collapse) | Author | Age | Files | Lines |
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This updates the ddr_spd.h header file from U-Boot-2019.01 with some
small changes:
- typedefs are removed
- "_s" suffix from struct types removed
- remove unnecessary "extern" from function declarations
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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The raspberry pi 3 comes up with the mini UART as default, so allow to
use it for debug_ll output.
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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In contrast to other architectures, R.Pi debug UART config was placed
under the "System Type" menu, not under the "Debugging -> low-level
debugging port". This made this setting easy to miss when enabling low
level debug mesages.
While at it use the existing base address defines rather than defining
them again in Kconfig.
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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Move defines to header file to make them reusable.
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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When booting a Raspberry Pi, it is useful to extract bootargs from the
device tree that was created by the VideoCore firmware. These bootargs
contain for example settings for the framebuffer that the kernel needs
to properly set the video output.
This commit extracts the bootargs in the board initialization code and
saves them to the vc.bootargs global variable.
For example, a bootloader environment can then add the contents of this
variable to linux.bootargs.vc, which then gets included into the final
bootargs for the kernel using CONFIG_FLEXIBLE_BOOTARGS.
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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On Raspberry Pi, VideoCore firmware creates a device tree that contains
information about peripherals that were initialized by VideoCore based
on settings in config.txt. Normally this device tree is passed to the
Linux kernel via a pointer in the r2 register. A bootloader needs to
pass this device tree to the kernel, or some peripherals will not work
correctly.
Since the VideoCore device tree is not compatible with barebox, we can't
just pass it to barebox_arm_entry() as the internal barebox device tree.
This commit makes the prebootloader code copy the device tree from
VideoCore into a scrap RAM area just above the area reserved for the
bootloader. Board initialization code in the bootloader proper then
copies it into a file /vc.dtb. The bootloader environment is then free
to pass this file to the kernel at boot (e.g. via bootm -o).
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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Knowing the address of the end of the memory area used by Barebox is
useful if PBL stores some extra data after it, so that board init code
can later retrieve it from there.
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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Required for emmc pin function switching on Raspberry Pi 3.
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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Compute Module needs "no-sd" property on the MMC interface otherwise
mci-bcm2835 hangs on SD card probe.
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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BCM2837 has two mmc interfaces: sdhost and sdhci. On Raspberry Pi 3, sdhost is
normally used for SD card/MMC flash and sdhci for the wireless interface.
Barebox currently only has a driver for sdhci, so we disable the sdhost
interface and remap the pins so that the sdhci has access to the SD card/MMC
flash.
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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For platforms such as the at91, the boot ROM imposes an upper limit
on barebox file size. Prior to 5a1a5ed253 ("ARM: images: use piggydata"),
BAREBOX_MAX_PBLX_SIZE seems to have been the way to go for limiting
the size of the final barebox binary when using the PBL.
With pblx removed, this variable is of no use, so have the existing
BAREBOX_MAX_IMAGE_SIZE replace its functionality.
Currently BAREBOX_MAX_IMAGE_SIZE is only checked against in the non-PBL
case, so add a check in the PBL case as well.
Signed-off-by: Ahmad Fatoum <a.fatoum@pengutronix.de>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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Signed-off-by: 张忠山 <zzs213@126.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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We have get_cr() to get the control register for the different exception
levels. Use it rather than the variant hardcoded for EL1.
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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with 4 MiB we are not able even to start latest kernel.
Signed-off-by: Oleksij Rempel <o.rempel@pengutronix.de>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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Port Xilinx Zynq MPSoC Firmware layer driver from linux.
Signed-off-by: Thomas Haemmerle <thomas.haemmerle@wolfvision.net>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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Both Linux and barebox support this new scheme and it's the actually
the recommended one.
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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Initially we depended on DDR controller settings for liteSOM and liteboard. With
33fdc89d4cbd ("dts: update to v5.0-rc1") a `device_type = "memory";` property
was added to imx6ul-litesom.dtsi file, which causes "ram0" to be added with
512MB size (value in dtsi) instead of the real 256MB size that is configured in
barebox-grinn-liteboard-256mb.img. As a result Linux kernel fails to boot.
Lets depend on DDR controller settings, by removing whole `/memory` node from
device tree. This makes barebox-grinn-liteboard-256mb.img able to boot Linux
kernel once again.
Reported-by: Bartosz Bilas <b.bilas@grinn-global.com>
Signed-off-by: Marcin Niestroj <m.niestroj@grinn-global.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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The esdhc-xload code will be used by upcoming Layerscape support aswell,
so move it from architecture code to drivers/mci/.
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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Add nodes for exposed USB ports as well as USB hub connected to one of
them.
Signed-off-by: Andrey Smirnov <andrew.smirnov@gmail.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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Add node for USB IP block that is missing in upstream DTS. This patch
should be reverted once that changes.
Signed-off-by: Andrey Smirnov <andrew.smirnov@gmail.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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Enable PCIE1 and PCIE2 used on both Zest and RMB3 boards.
Signed-off-by: Andrey Smirnov <andrew.smirnov@gmail.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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Add node for PCE1 and PCIE2 IP block that is missing in upstream DTS. This patch
should be reverted once that changes.
Signed-off-by: Andrey Smirnov <andrew.smirnov@gmail.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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Add node for GPC IP block that is missing in upstream DTS. This patch
should be reverted once that changes.
Signed-off-by: Andrey Smirnov <andrew.smirnov@gmail.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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Add node for SRC IP block that is missing in upstream DTS. This patch
should be reverted once that changes.
Signed-off-by: Andrey Smirnov <andrew.smirnov@gmail.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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The phyCORE-i.MX8M aka PCL-066 is a SoM containing a i.MX8M SoC.
phyCORE-i.MX8M:
- 1GB LPDDR4 RAM
- eMMC
- microSD
- Ethernet
Signed-off-by: Christian Hemp <christian.hemp@posteo.de>
Acked-by: Sam Ravnborg <sam@ravnborg.org>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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With this patch the two last lines are added to the output of the
following command:
$ ./scripts/bareboximd images/barebox-phytec-phycore-imx6dl-som-emmc-1gib.img
build: #15 Thu Feb 21 11:20:23 CET 2019
release: 2019.02.0-00235-gb03cf6f145ae-dirty
parameter: memsize=1024
of_compatible: phytec,imx6dl-pcm058-emmc fsl,imx6dl
model: Phytec phyCORE-i.MX6 DualLite/SOLO with eMMC
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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Add code to make sure that imx8mq_init_syscnt_frequency() is only
executed on i.MX8MQ.
Signed-off-by: Andrey Smirnov <andrew.smirnov@gmail.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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Port code found in cdn_dp_load_firmware() in Linux kernel to check if
HDMI firmware is running and, if so, report its version.
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: Oleksij Rempel <o.rempel@pengutronix.de>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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Based on kernel 5.0-rc6 update at91 clk support
to match the new PMC bindings.
Manually added all changes done in the kernel from 4.9-rc3 to 5.0-rc6.
New drivers required was added as seperate commits.
This includes dt-compat code required to support at91sam5d3,
as this is not yet ported to use the new PMC bindings.
clk-programmable saw some extra changes - it had never been bulit.
It is used only by at91sama5d2 - and barebox has no board support for
this cpu (yet).
The CONFIG_SOC symbols is used to select the relevant drivers.
CONFIG_SOC_SAM9 selects several drivers, and in the future
this can be split to keep the image size down.
In the kernel CLK_OF_DECLARE_DRIVER() can be used for a two step init.
In barebox this is a simple one step init.
It was added to have less differences between the kernel and the barebox
versions of the drivers.
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
Tested-by: Ladislav Michl <ladis@linux-mips.org>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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This split allows us to distingush between the SOC types.
The SOC symbols will be used in following patches.
SOC_SAMA5D2 is essential unused for now,, and only added
to prepare for future use
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
Tested-by: Ladislav Michl <ladis@linux-mips.org>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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Add declaration to silence following warning:
arch/arm/mach-at91/sama5d4_devices.c:487:24:
warning: no previous prototype for ‘at91_configure_usart6’
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
Tested-by: Ladislav Michl <ladis@linux-mips.org>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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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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