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Emualate this function which is used with Chrome OS verified boot.
Signed-off-by: Simon Glass <[email protected]>
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These files use error numbering, so add the include.
Signed-off-by: Simon Glass <[email protected]>
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This patch adds a driver for the PCA9551 LED controller.
Originated-by: Timo Herbrecher <[email protected]>
Signed-off-by: Stefan Roese <[email protected]>
Reviewed-by: Tom Rini <[email protected]>
Cc: Fabio Estevam <[email protected]>
Reviewed-by: Fabio Estevam <[email protected]>
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With several chips using the SPI protocol it seems better to put the single
duplex functionality in the EC rather than the SPI driver.
Signed-off-by: Simon Glass <[email protected]>
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When starting up, show the protocol version that has been negotiated with
the EC.
Signed-off-by: Simon Glass <[email protected]>
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For starting a Linux console on the superio serial port under
interrupt mode, the IRQ number must be configured.
Signed-off-by: Jian Luo <[email protected]>
Signed-off-by: Bin Meng <[email protected]>
Acked-by: Simon Glass <[email protected]>
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This adds NAND boot support for LS2085AQDS, using SPL framework.
Details of forming NAND image can be found in README.
Signed-off-by: Scott Wood <[email protected]>
[York Sun: Remove +S from defconfig after commit 252ed872]
Signed-off-by: York Sun <[email protected]>
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For fsl-lsch3, IFC is binded with address within 32-bit at fist.
After u-boot relocates to DDR, CS1, CS3 can be binded to higher
address to support large space.
Signed-off-by: Prabhakar Kushwaha <[email protected]>
Signed-off-by: York Sun <[email protected]>
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This patch extends the U-Boot "led" command to support automatic blinking
by setting a blink frequency in milliseconds. Additionally the number of
supported LEDs is increased to 6 (0...5).
This will be used by the PCA9551 LED driver.
Signed-off-by: Stefan Roese <[email protected]>
Reviewed-by: Tom Rini <[email protected]>
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The Debug Server driver is responsible for loading the Debug
server FW on the Service Processor (Cortex-A5 core) on LS2085A like
SoCs and then polling for the successful initialization of the same.
TOP MEM HIDE is adjusted to ensure the space required by Debug Server
FW is accounted for. MC uses the DDR area which is calculated as:
MC DDR region start = Top of DDR - area reserved by Debug Server FW
Signed-off-by: Bhupesh Sharma <[email protected]>
Reviewed-by: York Sun <[email protected]>
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Move CONFIG_CROS_EC_SANDBOX to Kconfig.
Signed-off-by: Simon Glass <[email protected]>
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The U-Boot device trees are slightly different in a few places. Adjust them
to remove most of the differences. Note that U-Boot does not support the
concept of interrupts as distinct from GPIOs, so this difference remains.
For sandbox, use the same keyboard file as for ARM boards and drop the
host emulation bus which seems redundant.
Signed-off-by: Simon Glass <[email protected]>
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Since all supported boards enable this option now, we can remove it along
with the old code.
Signed-off-by: Simon Glass <[email protected]>
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This command is supposed to reinit the device. At present with driver
model is does nothing. Implement this feature.
Signed-off-by: Simon Glass <[email protected]>
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This is the last driver to be converted. It requires an LPC bus and a
special check_version() method.
Signed-off-by: Simon Glass <[email protected]>
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Enable PCI options so that sandbox can be used for testing this bus with
driver model.
Signed-off-by: Simon Glass <[email protected]>
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This device sits on the sandbox PCI bus and provides a case-swapping
service for sandbox. It illustrates the use of both PCI I/O and PCI
memory accesses.
Signed-off-by: Simon Glass <[email protected]>
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Add a convenience function to access the private data that a uclass stores
for each of its devices. Convert over most existing uses for consistency
and to provide an example for others.
Signed-off-by: Simon Glass <[email protected]>
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The Security Monitor is the SOC’s central reporting point for
security-relevant events such as the success or failure of boot
software validation and the detection of potential security compromises.
The API's for transition of Security states have been added
which will be used in case of SECURE BOOT.
Signed-off-by: Ruchika Gupta <[email protected]>
Signed-off-by: Gaurav Rana <[email protected]>
Reviewed-by: York Sun <[email protected]>
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Since both I2C and SPI are converted to Kconfig, we can convert cros_ec
to Kconfig for these buses.
LPC will need to wait until driver mode PCI is available.
Signed-off-by: Simon Glass <[email protected]>
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Expand the help messages for each driver. Add missing Kconfig for I2C,
SPI flash and thermal.
Signed-off-by: Simon Glass <[email protected]>
Reviewed-by: Masahiro Yamada <[email protected]>
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Move this driver to use driver model and update the snow configuration to
match.
Signed-off-by: Simon Glass <[email protected]>
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This is no-longer needed since all platforms use SPI for cros_ec.
Signed-off-by: Simon Glass <[email protected]>
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I2C is now deprecated on ARM platforms and there are no devices that use it
with the v3 protocol. We can't require v3 support if we want to support I2C.
Adjust the error handling to suit.
Signed-off-by: Simon Glass <[email protected]>
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At present we go through various contortions to store the SPI slave's chip
select in its private data. This only exists when the slave is active so
must be set up when it is probed. Until the device is probed we don't
actually know what chip select it will appear on.
However, now that we can support per-child platform data, we can use that
instead. This allows us to set up the chip select when the child is bound,
and avoid the messy contortions.
Unfortunately this is a fairly large change and it seems to be difficult to
break it down further.
Signed-off-by: Simon Glass <[email protected]>
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These functions are going away, so use the new uclass support instead.
Signed-off-by: Simon Glass <[email protected]>
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drivers/misc/i2c_eeprom.c fails to build unless CONFIG_FIT_SIGNATURE
is defined.
CC drivers/misc/i2c_eeprom.o
drivers/misc/i2c_eeprom.c: In function 'i2c_eeprom_read':
drivers/misc/i2c_eeprom.c:15:10: error: 'ENODEV' undeclared
(first use in this function)
drivers/misc/i2c_eeprom.c:15:10: note: each undeclared identifier
is reported only once for each function it appears in
drivers/misc/i2c_eeprom.c: In function 'i2c_eeprom_write':
drivers/misc/i2c_eeprom.c:21:10: error: 'ENODEV' undeclared
(first use in this function)
drivers/misc/i2c_eeprom.c:22:1: warning: control reaches end of
non-void function [-Wreturn-type]
drivers/misc/i2c_eeprom.c: In function 'i2c_eeprom_read':
drivers/misc/i2c_eeprom.c:16:1: warning: control reaches end of
non-void function [-Wreturn-type]
make[2]: *** [drivers/misc/i2c_eeprom.o] Error 1
make[1]: *** [drivers/misc] Error 2
make: *** [drivers] Error 2
By the way, Sandbox (enabling CONFIG_FIT_SIGNATURE) is luckily
working depending on it.
Sandbox includes include/asm-generic/errno.h
from include/errno.h
from include/u-boot/rsa-checksum.h
from include/image.h
from include/common.h
from drivers/misc/i2c_eeprom.c
Signed-off-by: Masahiro Yamada <[email protected]>
Acked-by: Simon Glass <[email protected]>
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On most x86 boards, the legacy serial ports (io address 0x3f8/0x2f8)
are provided by a superio chip connected to the LPC bus. We must
program the superio chip so that serial ports are available for us.
Signed-off-by: Bin Meng <[email protected]>
Acked-by: Simon Glass <[email protected]>
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There seem to be a few EEPROM drivers around - perhaps we should have a
single standard one? This simple driver is used for sandbox testing, but
could be pressed into more active service.
Signed-off-by: Simon Glass <[email protected]>
Acked-by: Heiko Schocher <[email protected]>
Reviewed-by: Masahiro Yamada <[email protected]>
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To enable testing of I2C, add a simple I2C EEPROM simulator for sandbox.
It supports reading and writing from a small data store.
Signed-off-by: Simon Glass <[email protected]>
Acked-by: Heiko Schocher <[email protected]>
Reviewed-by: Masahiro Yamada <[email protected]>
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Leave the OCOTP turned on, so that we subsequent access do not fail.
After enabling the thermal driver on a mx6sxsabresd board:
U-Boot 2015.01-rc1-18267-g99d4189-dirty (Nov 24 2014 - 12:59:01)
CPU: Freescale i.MX6SX rev1.0 at 792 MHz
CPU: Temperature 48 C
Reset cause: POR
Board: MX6SX SABRE SDB
I2C: ready
DRAM: 1 GiB
PMIC: PFUZE100 ID=0x10
MMC: FSL_SDHC: 0, FSL_SDHC: 1, FSL_SDHC: 2
00:01.0 - 16c3:abcd - Bridge device
01:00.0 - 8086:08b1 - Network controller
In: serial
Out: serial
Err: serial
Net:
(hang)
As the thermal driver accesses the ocotp registers, its clock will be disabled
afterwards.
Then when the MAC address is read (also from ocotp registers) it will cause a
hang.
Do not disable the ocotp clock to prevent this problem.
Signed-off-by: Fabio Estevam <[email protected]>
Reviewed-by: Benoît Thébaudeau <[email protected]>
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A previous operation may have set the error flag, which must be cleared
before a new write operation can be issued.
Signed-off-by: Hector Palacios <[email protected]>
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The write operation may fail when trying to write to a locked area. In
this case the ERROR bit is set in the CTRL register. Check for that
condition and return an error.
Signed-off-by: Hector Palacios <[email protected]>
Reviewed-by: Fabio Estevam <[email protected]>
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The code may goto 'fail' upon error with 'ret' variable set to an error
code, but this variable was being overwritten by a final preparation
function to restore the HCLK, so success was (in general) returned even
after an error was hit previously.
With this change, the function may now return success even if the final
preparation function fails, but it's probably enough to print a message
because (if successful) the real programming of the fuses has already
completed.
Signed-off-by: Hector Palacios <[email protected]>
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Conflicts:
drivers/serial/serial-uclass.c
Signed-off-by: Tom Rini <[email protected]>
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U-Boot has never cared about the type when we get max/min of two
values, but Linux Kernel does. This commit gets min, max, min3, max3
macros synced with the kernel introducing type checks.
Many of references of those macros must be fixed to suppress warnings.
We have two options:
- Use min, max, min3, max3 only when the arguments have the same type
(or add casts to the arguments)
- Use min_t/max_t instead with the appropriate type for the first
argument
Signed-off-by: Masahiro Yamada <[email protected]>
Acked-by: Pavel Machek <[email protected]>
Acked-by: Lukasz Majewski <[email protected]>
Tested-by: Lukasz Majewski <[email protected]>
[trini: Fixup arch/blackfin/lib/string.c]
Signed-off-by: Tom Rini <[email protected]>
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This fixes this cppcheck report:
[drivers/misc/cros_ec.c:704]: (error) Uninitialized variable: req
Signed-off-by: Simon Glass <[email protected]>
Reported-by: Wolfgang Denk <[email protected]>
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The Linux-compatible macro DIV_ROUND_CLOSEST is a bit more flexible
and safer than DIV_ROUND.
For example,
foo = DIV_ROUND_CLOSEST(x, y++)
works expectedly, but
foo = DIV_ROUND(x, y++)
does not. (y is incremented twice.)
Signed-off-by: Masahiro Yamada <[email protected]>
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There was a minor rename of one of the defines, so update the driver.
Signed-off-by: Simon Glass <[email protected]>
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Adjust this driver to use driver model and move smdk5420 boards over to
use it.
Acked-by: Jagannadha Sutradharudu Teki <[email protected]>
Signed-off-by: Simon Glass <[email protected]>
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Adjust the sandbox cros_ec emulation driver to work with driver model, and
switch over to driver model for sandbox cros_ec.
Signed-off-by: Simon Glass <[email protected]>
Acked-by: Jagannadha Sutradharudu Teki <[email protected]>
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Add support for driver model if enabled. This involves minimal changes
to the code, mostly just plumbing around the edges.
Signed-off-by: Simon Glass <[email protected]>
Acked-by: Jagannadha Sutradharudu Teki <[email protected]>
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This would be useful to start moving various config options.
Signed-off-by: Masahiro Yamada <[email protected]>
Acked-by: Simon Glass <[email protected]>
Tested-by: Simon Glass <[email protected]>
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An incorrect message version is passed to the EC in some cases and the
parameters of one function are switched.
Fix these problems.
Signed-off-by: Simon Glass <[email protected]>
Tested-by: Ajay Kumar <[email protected]>
Reviewed-by: Jagannadha Sutradharudu Teki <[email protected]>
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At present stdio device functions do not get any clue as to which stdio
device is being acted on. Some implementations go to great lengths to work
around this, such as defining a whole separate set of functions for each
possible device.
For driver model we need to associate a stdio_dev with a device. It doesn't
seem possible to continue with this work-around approach.
Instead, add a stdio_dev pointer to each of the stdio member functions.
Note: The serial drivers have the same problem, but it is not strictly
necessary to fix that to get driver model running. Also, if we convert
serial over to driver model the problem will go away.
Code size increases by 244 bytes for Thumb2 and 428 for PowerPC.
22: stdio: Pass device pointer to stdio methods
arm: (for 2/2 boards) all +244.0 bss -4.0 text +248.0
powerpc: (for 1/1 boards) all +428.0 text +428.0
Signed-off-by: Simon Glass <[email protected]>
Acked-by: Marek Vasut <[email protected]>
Reviewed-by: Marek Vasut <[email protected]>
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commit 18b06652cd "tools: include u-boot version of sha256.h"
unconditionally forced the sha256.h from u-boot to be used
for tools instead of the host version. This is fragile though
as it will also include the host version. Therefore move it
to include/u-boot to join u-boot/md5.h etc which were renamed
for the same reason.
cc: Simon Glass <[email protected]>
Signed-off-by: Jeroen Hofstee <[email protected]>
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For fsl-lsch3 NOR flash boot, IFC CS0 needs to be binded with address
within 32-bit at fist. After u-boot relocates to DDR, CS0 can be binded
to higher address to support large space.
Signed-off-by: York Sun <[email protected]>
CC: Prabhakar Kushwaha <[email protected]>
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Conflicts:
arch/arm/cpu/arm926ejs/mxs/mxsimage.mx23.cfg
arch/arm/cpu/arm926ejs/mxs/mxsimage.mx28.cfg
Signed-off-by: Stefano Babic <[email protected]>
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