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For AM335X boards, such as the EVM and Bone Linux kernel fails to
locate the device tree blob on boot. The reason being is that
u-boot is copying the DT blob to the upper part of RAM when booting
the kernel and the kernel is unable to access the blob.
By setting the fdt_high variable to 0xffffffff (to prevent the copy)
the kernel is able to locate the DT blob and boot.
This patch is tested on BeagleBone platform.
Signed-off-by: Vaibhav Hiremath <[email protected]>
Cc: Tom Rini <[email protected]>
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AM335x EVM 1.5A uses Micron MT41J512M8RH-125 SDRAM 4Gb (512Mx8) as the
DDR3 chip.
[Hebbar Gururaja <[email protected]>]
- Resolve merge conflict while rebasing. File structure is
changed in the mainline. So re-arrange the code accordingly.
- Update commit message to reflect the DDR3 part number
Signed-off-by: Jeff Lance <[email protected]>
Signed-off-by: Tom Rini <[email protected]>
Signed-off-by: Hebbar Gururaja <[email protected]>
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When ethaddr is not set in environment the MAC address is read
from efuse. The message was only printed in debug case, but this
message could be of interest for the ordinary user, so printf it.
Signed-off-by: Lars Poeschel <[email protected]>
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The board is named pcm051 and has this hardware:
SOC: TI AM3359
DDR3-RAM: 2x MT41J256M8HX-15EIT:D 512MiB
ETH 1: LAN8710AI
SPI-Flash: W25Q64BVSSIG
RTC: RV-4162-C7
I2C-EEPROM: CAT32WC32
NAND: MT29F4G08_VFPGA63
PMIC: TPS65910A3
LCD
Supported:
UART 1
MMC/SD
ETH 1
USB
I2C
SPI
Not yet supported:
NAND
RTC
LCD
Signed-off-by: Lars Poeschel <[email protected]>
[trini: Add #define CONFIG_PHY_ADDR 0 to config]
Signed-off-by: Tom Rini <[email protected]>
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Signed-off-by: Lars Poeschel <[email protected]>
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For production systems it is better to use script images since
they are protected by checksums and carry valuable information like
name and timestamp. Also, you can't validate the content passed to
env import.
But for development, it is easier to use the env import command and
plain text files instead of script-images.
Since both OMAP4 supported boards (Panda and TI SDP4430) are used
primarily for development, this patch allows U-Boot to load env var
from a text file in case that an boot.scr script-image is not present.
The variable uenvcmd (if existent) will be executed (using run) after
uEnv.txt was loaded. If uenvcmd doesn't exist the default boot sequence
will be started.
Signed-off-by: Javier Martinez Canillas <[email protected]>
Acked-by: Nishanth Menon <[email protected]>
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This patch adds an GPIO LED boot status for IGEP boards.
The GPIO LED used is the red LED0 while the Linux kernel
uses the green LED0 as the boot status.
By using different GPIO LEDs, the user can know in which
step of the boot process the board currently is.
Signed-off-by: Javier Martinez Canillas <[email protected]>
Acked-by: Igor Grinberg <[email protected]>
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Even when the IGEPv2 board and the IGEP Computer-on-Module
are different from a form factor point of view, they are
very similar in the fact that share many components and how
they are wired.
So, it is possible (and better) to have a single board file
for both devices and just use the CONFIG_MACH_TYPE to make
a differentiation between each board when needed.
This change avoids code duplication by removing 298 lines of
code and makes future maintenance easier.
Signed-off-by: Javier Martinez Canillas <[email protected]>
Acked-by: Igor Grinberg <[email protected]>
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Older compilers don't recognize v7 wfi instruction, so use wfi macro to
fix builds on old compilers.
Signed-off-by: Rob Herring <[email protected]>
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Since wfi instruction is only available on ARMv7, add a conditional
macro for it.
Signed-off-by: Rob Herring <[email protected]>
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Set ETM TRCLK down to 78MHz to get clear wave form.
This patch makes difference only when you use ETM trace connecting JTAG debugger.
Signed-off-by: Tetsuyuki Kobayashi <[email protected]>
Acked-by: Nobuhiro Iwamatsu <[email protected]>
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After stress test, I found some of kzm9g board occures memory failure.
This patch adust SDRAM setting.
- Enlarge drivability on both SDRAM controller and SDRAM itself
- Raise core voltage
Signed-off-by: Tetsuyuki Kobayashi <[email protected]>
Acked-by: Nobuhiro Iwamatsu <[email protected]>
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The following features are supported:
* 128 MB DDR1 SDRAM
* DUART
* SD/MMC Card Socket
Signed-off-by: Otavio Salvador <[email protected]>
Tested-by: Fabio Estevam <[email protected]>
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This adds a default environment with support for MMC booting.
Signed-off-by: Otavio Salvador <[email protected]>
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Add support for the MMC attached to SSP1.
Signed-off-by: Marek Vasut <[email protected]>
Cc: Otavio Salvador <[email protected]>
Cc: Fabio Estevam <[email protected]>
Cc: Stefano Babic <[email protected]>
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The MX23 has different layout of DMA channels. Fix the MMC
driver to support MX23.
Signed-off-by: Marek Vasut <[email protected]>
Cc: Otavio Salvador <[email protected]>
Cc: Fabio Estevam <[email protected]>
Cc: Stefano Babic <[email protected]>
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Some MXS based boards do not implement the card-detect signal. Allow
user to specify alternate card-detect implementation.
Signed-off-by: Marek Vasut <[email protected]>
Cc: Otavio Salvador <[email protected]>
Cc: Fabio Estevam <[email protected]>
Cc: Stefano Babic <[email protected]>
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This does the same reset mask as done in v3.7 Linux kernel code.
The block is properly configured for MMC operation that way.
Signed-off-by: Otavio Salvador <[email protected]>
Cc: Marek Vasut <[email protected]>
Cc: Fabio Estevam <[email protected]>
Cc: Stefano Babic <[email protected]>
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The MX23 SSP register layout differs from MX28 in certain bits,
adjust the register layout accordingly.
Signed-off-by: Marek Vasut <[email protected]>
Signed-off-by: Otavio Salvador <[email protected]>
Cc: Fabio Estevam <[email protected]>
Cc: Stefano Babic <[email protected]>
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The MX23 has less channels for the APBH DMA, sligtly different register
layout and some bits in those registers are placed differently. Reflect
this in the driver. This patch fixes MMC/DMA issue on MX23.
Signed-off-by: Marek Vasut <[email protected]>
Cc: Otavio Salvador <[email protected]>
Cc: Fabio Estevam <[email protected]>
Cc: Stefano Babic <[email protected]>
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Signed-off-by: Troy Kisky <[email protected]>
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Signed-off-by: Troy Kisky <[email protected]>
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This allows us to create the phydev before calling
fec_probe in later patch.
Signed-off-by: Troy Kisky <[email protected]>
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This allows us to create the phydev before calling
fec_probe in later patch.
Signed-off-by: Troy Kisky <[email protected]>
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It is useful to be able to try a range of
possible phy addresses to connect.
Also, an ethernet device is not required
to use phy_find_by_mask leading to better
separation of mii vs ethernet, as suggested
by Andy Fleming.
Signed-off-by: Troy Kisky <[email protected]>
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Having only one call to fec_probe will ease the changing of its
parameters.
Signed-off-by: Troy Kisky <[email protected]>
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Only the hardware ethernet registers are needed
for this function, so don't pass the more general
structure. I'm trying to separate MII and fec.
This also fixes MX28 fec_mii_setspeed use on secondary ethernet port
This was found by inspection of the code and should be
checked on real hardware.
Signed-off-by: Troy Kisky <[email protected]>
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It is more logical to test for CONFIG_FEC_MXC_PHYADDR
to determine whether to define the function fecmxc_initialize.
Signed-off-by: Troy Kisky <[email protected]>
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Signed-off-by: Troy Kisky <[email protected]>
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Using the __weak annotation can make the code cleaner.
Signed-off-by: Fabio Estevam <[email protected]>
Acked-by: Marek Vasut <[email protected]>
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Since this structure is not i.MX5x specific, remove the '5x' to make it more
generic.
Signed-off-by: Fabio Estevam <[email protected]>
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commit 49ea0ff5 (49ea0ff5) introduced CONFIG_SYS_MMC_ENV_PART into mx6qsabresd.h
to store the mmc partition, but in order for it to have effect we should place
it into 'mmcpart' variable.
Also add CONFIG_SYS_MMC_ENV_PART into mx6qsabreauto.h.
Signed-off-by: Fabio Estevam <[email protected]>
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The USB host interface is routed to plug USB1/J30 on the mother board.
Signed-off-by: Knut Wohlrab <[email protected]>
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The memory power supply on MX23 didn't pump out enough juice into
the DRAM chip, thus caused occasional memory corruption. Fix this.
Signed-off-by: Marek Vasut <[email protected]>
Cc: Otavio Salvador <[email protected]>
Cc: Fabio Estevam <[email protected]>
Cc: Stefano Babic <[email protected]>
Acked-by: Otavio Salvador <[email protected]>
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The '#' used as comments in the files cause the preprocessor
trouble, so change to /* */.
The mkimage command which uses this preprocessor output
was moved to arch/arm/imx-common/Makefile
.gitignore was updated to ignore .cfgtmp files.
Signed-off-by: Troy Kisky <[email protected]>
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The MX23 has different handling of the SSP clock and GPMI NAND clock sources,
add necessary quirks into the clock code to properly handle these.
Signed-off-by: Marek Vasut <[email protected]>
Signed-off-by: Otavio Salvador <[email protected]>
Cc: Fabio Estevam <[email protected]>
Cc: Stefano Babic <[email protected]>
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Set Write Protection GPIO as input.
Signed-off-by: Fabio Estevam <[email protected]>
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This patch adds support for MX23-based Olinuxino board.
Signed-off-by: Marek Vasut <[email protected]>
Cc: Fabio Estevam <[email protected]>
Cc: Otavio Salvador <[email protected]>
Cc: Stefano Babic <[email protected]>
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Replace use of ttyAM0 with ttyAMA0 as default serial console.
Signed-off-by: Marek Vasut <[email protected]>
Cc: Stefano Babic <[email protected]>
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The memory init is slightly different on MX23, thus split the memory
init for mx23 and mx28 into different functions.
Signed-off-by: Marek Vasut <[email protected]>
Signed-off-by: Otavio Salvador <[email protected]>
Cc: Fabio Estevam <[email protected]>
Cc: Stefano Babic <[email protected]>
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The power block on MX23 must first be ungated before it can be operated.
Add function to MXS power init that ungates it.
Signed-off-by: Marek Vasut <[email protected]>
Cc: Fabio Estevam <[email protected]>
Cc: Otavio Salvador <[email protected]>
Cc: Stefano Babic <[email protected]>
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The MX23 can only use two SSP ports.
Signed-off-by: Marek Vasut <[email protected]>
Cc: Andy Fleming <[email protected]>
Cc: Fabio Estevam <[email protected]>
Cc: Otavio Salvador <[email protected]>
Cc: Stefano Babic <[email protected]>
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Signed-off-by: Otavio Salvador <[email protected]>
Cc: Fabio Estevam <[email protected]>
Cc: Marek Vasut <[email protected]>
Cc: Stefano Babic <[email protected]>
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For i.MX23 we need to pass imx23 as elftosb param.
Signed-off-by: Otavio Salvador <[email protected]>
Cc: Fabio Estevam <[email protected]>
Cc: Marek Vasut <[email protected]>
Cc: Stefano Babic <[email protected]>
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Signed-off-by: Otavio Salvador <[email protected]>
Cc: Fabio Estevam <[email protected]>
Cc: Marek Vasut <[email protected]>
Cc: Stefano Babic <[email protected]>
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This adds the boot mode support for i.MX23 processors.
Signed-off-by: Otavio Salvador <[email protected]>
Cc: Fabio Estevam <[email protected]>
Cc: Marek Vasut <[email protected]>
Cc: Stefano Babic <[email protected]>
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Signed-off-by: Otavio Salvador <[email protected]>
Cc: Fabio Estevam <[email protected]>
Cc: Otavio Salvador <[email protected]>
Cc: Stefano Babic <[email protected]>
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Add information to identify i.MX23 chips and its known revisions.
Signed-off-by: Otavio Salvador <[email protected]>
Cc: Fabio Estevam <[email protected]>
Cc: Marek Vasut <[email protected]>
Cc: Stefano Babic <[email protected]>
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Disable SSP2 and SSP3 ports on MX23.
Signed-off-by: Marek Vasut <[email protected]>
Signed-off-by: Otavio Salvador <[email protected]>
Cc: Fabio Estevam <[email protected]>
Cc: Stefano Babic <[email protected]>
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