Support the setup of the mmc voltage, when booting OMAP4 with twl6030
from nand.
Signed-off-by: Alexander Aring <a.aring@phytec.de>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Add a general twl device driver twlcore to call i2c send/write
functions.
Abstract twl4030 to call twlcore functions.
Fixed some code-styling issues pointed out by checkpatch.
Signed-off-by: Alexander Aring <a.aring@phytec.de>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Added i2c support for omap4. Tested on pcm049.
Driver based on linux kernel implementation.
Also added a shift to access 16-bit registers
to make support for OMAP730/850 possible.
If accessing a non existing slave the bus will go into arbitration mode.
It's unable to recover from it.
Signed-off-by: Alexander Aring <a.aring@phytec.de>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Add sorted insert in stringlist functions.
Also added function to checked if string is already
in string list.
Signed-off-by: Alexander Aring <a.aring@phytec.de>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Add a function to remap an IO range into a virtual addresses
range. This is particulary usefull for the few devices
mapped at physical address 0, as the MTD boot devices.
Signed-off-by: Robert Jarzmik <robert.jarzmik@free.fr>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Increase pxa reading performance by reading 4 bytes at a
time instead of 4 reads of 1 byte.
As the mci controller FIFO accepts reads on bytes, halfwords
or words, use words whenether possible.
The boost is for a 250KBytes file read and display (bmp):
- before: 6900ms
- after: 6000ms
Signed-off-by: Robert Jarzmik <robert.jarzmik@free.fr>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
The write data timeout is too small for old cards,
especially the Transcend 256MBytes SD card. Increase it from
10ms to 100ms.
Signed-off-by: Robert Jarzmik <robert.jarzmik@free.fr>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
As PXA cpus suffer from a silicon bug which prevents them
from being compound devices, forbid use_acm=1 for PXAs.
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
The NAND_READ_OOB Kconfig option is used to
a) creating a cdev for reading OOB data
b) compiling in mtd->read_oob support
The former was intended and that's also what the Kconfig help
says. The latter though was implicit and wrong. mtd->read_oob
is also used by the bbt code which resulted in a NULL pointer
deref when compiled with BBT but without NAND_READ_OOB.
To fix this, split the option into two. The now invisible
option NAND_OOB_DEVICE is only responsible for b) and gets
selected when necessary.
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
The device resources are much smaller, the resource mechanism
revealed this because of overlapping devices.
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
The icache command is unused. Instead of adding it to compilation
again, remove it as the cpuinfo command provides the same information.
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
configure BP4 and BP3
use BP4 to start DFU mode at boot
if BP4 is pressed at boot time and maintain at least 5s the dfu is started
otherwise we boot normaly
Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
by default boot from nand with the bootstrap as first stage
update the smc config for 9g20-ek
switch to defaultenv
Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Now that we have a bootm command which boots everything we can
simplify the defaultenvironment. We can call bootm on every
image type and can remove the kernelimage_type variables.
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
The uimage command superseeds the iminfo command. Unlike
the iminfo command the uimage command can also be used
to verify the data crc on demand and to extract uImages
to files.
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
This switches the bootm code to the new uimage code. Also
bootm can now handle other types of images than uImages.
Currently the only architecture making use of this is
arm which allows to boot zImages, raw images and barebox
images.
I intended to make a more bisectable series from this but
I failed becuase there are many dependencies and no matter
how I tried the patches grew bigger and and bigger. So I
decided to put this all in a single patch.
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Provide a new API for accessing uImages which makes it easy
for commands to open images, verify them, load to (free) sdram
regions and show information about uImages.
- We now do not load the image to malloced space anymore.
- The data in the header is now stored in cpu native endianess
after uimage_open which makes it easy to access the header data.
- uImage can be loaded to dynamically allocated sdram regions.
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
whoever calls this function is not necessarily aware of a struct
image_data, so remove the dependency from the function.
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Alexander Aring
Sascha Hauer
Robert Jarzmik
Wolfram Sang
Daniel Mack
Jean-Christophe PLAGNIOL-VILLARD