Change Product Data validity checking to ensure that support can
be provided for 8-bit and 16-bit EEPROM devices.
Signed-off-by: Renaud Barbier <renaud.barbier@ge.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
This is a limited board support for the Freescale P1010RDB.
The board boots from NOR and output the prompt to the serial port
at 115200 bauds. All 3 Ethernet ports are supported by the gianfar
driver. I2C devices are accessible on both bus and the memory is
initialised by the 85xx DDR driver.
Signed-off-by: Renaud Barbier <renaud.barbier@ge.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Add support for the Freescale P1010 including errata for this CPU,
SoC frequency calculation and GPIO settings.
The mpc85xx configuration options file is re-ordered to facilitate
board option selection.
Signed-off-by: Renaud Barbier <renaud.barbier@ge.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Add a minimal Integrated Flash Controller header file and new
definitions to support the P1010 SOC.
Signed-off-by: Renaud Barbier <renaud.barbier@ge.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Move the configuration, control and status register base address
(CCSRBAR) relocation to the start-up processing. This addresses
TLB faults found during testing on the Freescale P1010RDB and
also matches the current U-Boot functionality.
Signed-off-by: Renaud Barbier <renaud.barbier@ge.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Compiling the tree with allyesconfig is helpful because different
compilers (gcc, clang) or static checkers (e.g. clang's scan-build)
can then process and check more code.
This patch introduces two new configuration symbols that Kconfig files
can depend on. That way, code that is only working where a cache or DMA
implementation exists can be opted out.
Signed-off-by: Holger Schurig <holgerschurig@gmail.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
The ppc implementation is identical to the generic implementation, so
use the generic one instead.
Also add the missing __ffs function.
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Fix only two "interupt" misspellings in entire barebox codebase.
Signed-off-by: Robert P. J. Day <rpjday@crashcourse.ca>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
The doxygen documentation is long outdated. Remove it. It will
be replaced with sphinx based documentation later.
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
The FSF address has changed; The FSF site says that
address is
Free Software Foundation
51 Franklin Street, Fifth Floor
Boston, MA 02110-1301
USA
(see http://www.fsf.org/about/contact/)
Instead of updating it each time the address changes,
just drop it completely treewide.
Signed-off-by: Antony Pavlov <antonynpavlov@gmail.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Fixes:
arch/ppc/boards/freescale-p1022ds/ddr.c: In function 'fsl_ddr_board_info':
arch/ppc/boards/freescale-p1022ds/ddr.c:39:21: warning: assignment discards 'const' qualifier from pointer target type [enabled by default]
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
* this compile option actually turns on a command, so name it
accordingly
* also move the Kconfig definition into commands/Kconfig, thus
placing getopt into the "Network commands" section
* while at it, improve Kconfig documention
Signed-off-by: Holger Schurig <holgerschurig@gmail.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
* this compile option actually turns on a command, so name it
accordingly
* also move the Kconfig definition into commands/Kconfig, thus
placing getopt into the "Network commands" section
* while at it, improve Kconfig documention
Signed-off-by: Holger Schurig <holgerschurig@gmail.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
* this compile option actually turns on a command, so name it
accordingly
* also move the Kconfig definition into commands/Kconfig, thus
placing getopt into the "Shell scripting commands" section
* while at it, improve Kconfig documention
Signed-off-by: Holger Schurig <holgerschurig@gmail.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
The current implementation fakes a memory-mapped I/O device
at 0x3f8 and 0x2f8, then uses platform read/write functions
to do the actual reading and writing. These platform functions
only exist for the x86 platform; better to move the I/O
routines into the driver and have the driver request I/O ports
using request_ioport_region.
Signed-off-by: Michel Stam <michel@reverze.net>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Add an environment partition and support commands so that the system
configuration can be permanent.
Signed-off-by: Renaud Barbier <renaud.barbier@ge.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Kconfig and make files are updated to build the Freescale P1022DS
image.
Signed-off-by: Renaud Barbier <renaud.barbier@ge.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
The eTSEC 2.0 devices found on the 85xx family of SoCs support stashing
buffer descriptors in the L2 cache. This updates the device tree fixup
for these devices to ensure that the stashing related properties used
by Linux are initialised correctly.
Signed-off-by: Renaud Barbier <renaud.barbier@ge.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Add support for the Freescale P1022DS. Driver support is limited to:
- I2C
- Ethernet
- Serial
- NOR flash
- PIXIS FPGA
System clock configuration is read from the FPGA but has only been
tested using a 133MHz system clock and 100MHz DDR clock.
Boot arguments are defined in the environment to boot over NFS with
a console configured at 115200 bauds.
Enabling branch prediction is moved from board support to the platform
support for all boards as it is a CPU feature.
Some the code is from U-Boot version git-be937b5.
Signed-off-by: Renaud Barbier <renaud.barbier@ge.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Add DDR3 support into the MPC8xxx DDR driver.
To avoid confusion, the function set_ddr_sdram_mode is renamed
set_ddr2_sdram_mode.
Checking for errors is simplified in the DDR2 DIMM parameters
computation to be consistent with DDR3.
This code is derived from the files found in directory drivers/ddr/fsl
from U-Boot version git-be937b5.
Signed-off-by: Renaud Barbier <renaud.barbier@ge.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Add DDR3 SPD verification support for use by the PPC 8xxx DDR driver.
This is based on the equivalent files from U-Boot version git-be937b5.
Signed-off-by: Renaud Barbier <renaud.barbier@ge.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
CPU, DDR, and LBC definitions are added to support the Freescale P1022.
Signed-off-by: Renaud Barbier <renaud.barbier@ge.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Enable memtest, MMU and iomem support on the P2020RDB and DA923RC.
Signed-off-by: Renaud Barbier <renaud.barbier@ge.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Add support to enable caching on a memory region during the memory test.
Tested on P2020RDB and DA923RC.
Signed-off-by: Renaud Barbier <renaud.barbier@ge.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Memory regions on MPC85xx boards are incorrectly defined leading to
corruption when running memory tests. This patch updates the memory
layout of MPC85xx boards so that critical memory regions can be
correctly reserved during the memory test.
Tested on the P2020RDB and DA923RC.
Signed-off-by: Renaud Barbier <renaud.barbier@ge.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Fix the chip select configuration register offset increment and summing
of bank size so that, for chip select index greater than 0, barebox can
determine the total memory size from enabled banks.
Signed-off-by: Renaud Barbier <renaud.barbier@ge.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Increase the malloc size so that larger debug Linux image can be loaded.
Signed-off-by: Renaud Barbier <renaud.barbier@ge.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
A boot script is added to load DTB and Linux images for booting.
The init script starts the boot script after a 5s timeout window.
Signed-off-by: Renaud Barbier <renaud.barbier@ge.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
The UBI/UBIFS support is enabled and a script is added to attach
the UBI device and mount the UBIFS partition. This allows the loading
of firmware images from the NOR flash.
Signed-off-by: Renaud Barbier <renaud.barbier@ge.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Removed the ppc bit operation functions and definitions in the ppc
file asm/bitops.h since these are already defined in the asm-generic header
files. Moved ffs64 definition to the mpc85xx header files because
the function requires the inclusion of linux/log2.h which also includes
asm/bitops.h.
The conflict was noted when UBIFS was enabled in barebox.
Signed-off-by: Renaud Barbier <renaud.barbier@ge.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Expression (pdimm->data_width >= 32) || (pdimm->data_width <= 40)
always evaluates to true, so probably we need to use "&&" here.
Signed-off-by: Alexander Shiyan <shc_work@mail.ru>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Import U-Boot start-up code from version git-9407c3fc to include the
latest CPUs errata and make future U-Boot code inclusion easier. The
code import is limited to the currently supported CPUs P2020/MPC8544.
Signed-off-by: Renaud Barbier <renaud.barbier@ge.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
The linker script and start up code are updated so that the bss
section is located above the barebox binary in memory. This removes
the reliance on a hard-coded value.
Signed-off-by: Renaud Barbier <renaud.barbier@ge.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Updates to use a common linker script for all mpc85xx boards,
avoiding duplication.
Signed-off-by: Renaud Barbier <renaud.barbier@ge.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
TLB support for the 85xx CPUs has been upgraded to support the MMUv2
page size definitions. This has been imported from U-Boot version
git-9407c3fc. This allows for future CPUs to make use of the new MMU
support.
Also the definition of MAX_MEM_MAPPED has been changed to avoid type
casting with "min" macro.
Signed-off-by: Renaud Barbier <renaud.barbier@ge.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
The common bootm code used to load uImage contents to SDRAM
before calling into the handlers if possible. This makes the
handlers complicated since they have to handle many cases. Instead,
introduce a helper to load the os after the handlers have figured
out a good load address.
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Pull the board device reset GPIO pin high as this prevents
PCI bus probing.
The function da923rc_board_init_r is called at the postcore
initcall level so that the udelay function can take advantage
of the core initialisation.
Signed-off-by: Renaud Barbier <renaud.barbier@ge.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
The clock frequency property of the device tree node fsl,mpic is
added as it is needed by the PCI driver to function in newer
Linux version.
Signed-off-by: Renaud Barbier <renaud.barbier@ge.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
This patch provides a global cleanup barebox Kconfig files. This includes
replacing spaces to tabs, formatting in accordance format.
No functional changes.
Signed-off-by: Alexander Shiyan <shc_work@mail.ru>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Add the Kconfig and Makefile directives to build barebox
for the GEIP DA923RC board.
Signed-off-by: Renaud Barbier <renaud.barbier@ge.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
The use of the DDR driver as well as early I2C support is
enabled for board initialising their memory through SPD EEPROM
data.
A SOC specific function returning the DDR bus frequency
is added for the DDR driver to translate DDR timings to
register values.
Signed-off-by: Renaud Barbier <renaud.barbier@ge.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Because the port count is different between the MPC8544 and
existing CPU support, the Ethernet port count is defined on
a per CPU basis.
Accordingly, the TBI PHY initialisation code is updated.
Signed-off-by: Renaud Barbier <renaud.barbier@ge.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Definitions are added to support the mpc8544 sOC.
The function returning the I2C bus frequency is updated
to take into account the mpc8544 specific clock ratio.
A mininal GPIO API is added to enable and set the GPIO
out pins.
Signed-off-by: Renaud Barbier <renaud.barbier@ge.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
If drivers want to fixup their specific instance they need some context
to know which instance they have to fixup.
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
For the MPC85xx family of SOCs Linux expects any boot firmware
information to be passed in the first 64MiB of memory. This adds support
to ensure that the device tree is relocated to a valid location if it is
outside that address range.
For the other SOC family currently present in the ppc architecture, the
default is not to relocate as at Linux startup the virtual address
equals the physical address.
Signed-off-by: Renaud Barbier <renaud.barbier@ge.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
This adds support for populating derived properties of the mpc85xx SOC
which are not typically included in the dtb directly.
This update is based on U-Boot code from common/fdt_support.c
and arch/powerpc/cpu/mpc85xx/fdt.c - version git-2b26201.
Signed-off-by: Renaud Barbier <renaud.barbier@ge.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
With multiboard support the compiletime generated BOARDINFO string
gets more and more meaningless. This removes it from Kconfig and
replaces it with a variable that can be set at boardlevel.
Also many boards have a standard setting for the hostname in the
environment. This patch also moves the standard to C code by calling
barebox_set_hostname().
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
The chip select 0 (boot flash) registers are updated by the board
specific code as it is not done by the cpu early initialisation
any more.
Signed-off-by: Renaud Barbier <renaud.barbier@ge.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
The early initialisation of chip select 0 (boot flash) is removed
from cpu initialisation. This removes the dependency on board
base address definition.
Consequently, cpu_init_f is not called in the start-up code but
added to the init call list as cpu_init_r. Also the file
arch/ppc/mach-mpc85xx/fsl_lbc.c is deleted.
Signed-off-by: Renaud Barbier <renaud.barbier@ge.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Early I2C support is introduced to read SPD data from memory
modules prior to the loading of the I2C driver.
This code is based on the equivalent file fsl_i2c.c in directory
drivers/i2c from U-Boot version git-a71d45d.
Signed-off-by: Renaud Barbier <renaud.barbier@ge.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
These files are the driver interface to handle the memory
initialisation from reading the SPD data to writing the memory
controller registers.
This code is based on the equivalent files main.c in directory
arch/powerpc/cpu/mpc8xxx/ddr and ddr-gen2.c in directory
arch/powerpc/cpu/mpc85xx. Both are from U-Boot version git-a71d45d.
Signed-off-by: Renaud Barbier <renaud.barbier@ge.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
The functions in this file calculate and store the value for each
register of the memory controller.
This code is based on the equivalent file in directory
arch/powerpc/cpu/mpc8xxx/ddr from U-Boot version git-a71d45d.
Signed-off-by: Renaud Barbier <renaud.barbier@ge.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
This commit adds functions to calculate clock cycles, configure the
LAW registers and populate board memory options.
This code is based on the equivalent files in directory
arch/powerpc/cpu/mpc8xxx/ddr from U-Boot version git-a71d45d.
Signed-off-by: Renaud Barbier <renaud.barbier@ge.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
This code calculates the DIMM characteritics i.e DIMM
organization parameters and timings for DDR2 memory based on
SPD data.
It also provides a function to find out the lowest common DIMM
parameters to be used for all DIMMs.
This code is based on the equivalent files in directory
arch/powerpc/cpu/mpc8xxx/ddr from U-Boot version git-a71d45d.
Signed-off-by: Renaud Barbier <renaud.barbier@ge.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Structures are defined to record the common DIMM parameters
and memory options on a per DIMM basis.
This code is based on the equivalent files in directory
arch/powerpc/cpu/mpc8xxx/ddr from U-Boot version git-a71d45d.
Signed-off-by: Renaud Barbier <renaud.barbier@ge.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Definitions and structures have been added to record DIMM parameters
and configure memory options.
The code is based on the equivalent files in the directory
arch/powerpc/include/asm from U-boot version git-a71d45d.
Signed-off-by: Renaud Barbier <renaud.barbier@ge.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
This commit creates MDIO bus devices to separate the MDIO bus
abstraction from the Ethernet device initialisation.
It also updates the configuration of the P2020RDB ports.
Signed-off-by: Renaud Barbier <renaud.barbier@ge.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Barebox of_find_node_by_path requires a node to be passed as start node
to start searching. Linux OF API does not pass this node and no current
user of it in barebox is passing anything else than the root node.
Therefore, we rename current function to of_find_node_by_path_from and
introduce a Linux OF API compatible of_find_node_by_path that always
passes the current root_node. Also, all current users of that function
are updated to reflect the API change.
Signed-off-by: Sebastian Hesselbarth <sebastian.hesselbarth@gmail.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
ppc does not implement these, so remove the prototypes and use
the ones from include/linux/string.h
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
The I/O accessors in_bexx, out_bexx, in_lexx and out_lexx are updated
to the latest Linux version.
The patch is tested on a MPC8544 based board and solved I/O access
issues on I2C devices.
Signed-off-by: Renaud Barbier <renaud.barbier@ge.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
To prepare for an update of the I/O functions to the latest Linux
version, the indentation is fixed.
Signed-off-by: Renaud Barbier <renaud.barbier@ge.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Without this patch after compiling barebox
for a PowerPC board we have 'git status'
output looking like this:
# Untracked files:
# (use "git add <file>..." to include in what will be committed)
#
# arch/ppc/boards/pcm030/barebox.lds
Signed-off-by: Antony Pavlov <antonynpavlov@gmail.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
This makes it possible to modify the tree in the handlers.
This is necessary because the initrd addresses are only
known inside the handlers, but not to the generic bootm
code.
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
CFI Flash is currently handled outside the mtd layer which makes it
a special case. Integrate it into mtd so that we get rid of this
special status.
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Add barebox-data section in arm branch to get complete
barebox regions in sdram regions tree.
Signed-off-by: Alexander Aring <alex.aring@gmail.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Change function remap_range in arm architecture to make it
global accessable. For example command 'memtest' can change
pte flags to enable or disable cache.
Add dummy function for others architectures that doesn't
have mmu or pte support.
Signed-off-by: Alexander Aring <alex.aring@gmail.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Barebox not contain symbol HAS_CFI, so remove all references to it.
Signed-off-by: Alexander Shiyan <shc_work@mail.ru>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
This patch provides a global cleanup barebox Kconfig files. This includes
replacing spaces to tabs, formatting in accordance format, removing
extraneous lines and spaces. No functional changes.
Signed-off-by: Alexander Shiyan <shc_work@mail.ru>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
The FSF address has changed in the past. Instead of updating it
each time the address changes, just drop it completely treewide.
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
The end boundary of each registers set may overlap with the start
of the next register set. Subtract 1 to the end boundary.
Signed-off-by: Renaud Barbier <renaud.barbier@ge.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Support for both i2c busses on the p2020rdb board is added and the
configuration file is updated to add the I2C driver and commands.
Signed-off-by: Renaud Barbier <renaud.barbier@ge.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
A function to calculate the frequency divider and digital filter sampling rate
for the 85xx processors is added to the i2c-imx driver. Hence, this driver is
usable on IMX and 85xx machines.
Signed-off-by: Renaud Barbier <renaud.barbier@ge.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
