The Altera EPCS is SPI flash. We have been using SPI flash driver
to access EPCS for years. The old EPCS driver could be removed.
Signed-off-by: Thomas Chou <thomas@wytron.com.tw>
This patch implements the generic board init as described in
doc/README.generic-board.
Signed-off-by: Thomas Chou <thomas@wytron.com.tw>
Signed-off-by: Scott McNutt <smcnutt@psyent.com>
Reviewed-by: Stefan Roese <sr@denx.de>
When compiling the current code on GCC 4.8.3, the following warnings
appear:
warning: format '%zu' expects argument of type 'size_t', but argument
2 has type 'long unsigned int' [-Wformat=]
There were many mails about such warnings on different architectures.
This patch limits itself to the nios2 architecture.
The problem is that for the size_t (%zu, %zd, ...) arguments of
printf GCC does not verify the type match to size_t type. It verifies
the type match to the compiler-defined __SIZE_TYPE__ type. Thus, if
size_t is defined different from __SIZE_TYPE__ - warnings inevitably
appear.
There is a comment by Thomas Chou to the (rejected) patch:
http://patchwork.ozlabs.org/patch/272102/
which explains that the older GCC toolchains (gcc-3.4.6 and gcc-4.1.2)
expect size_t to be "unsigned long" and the newer expect it to be
"unsigned int". Thus, no matter how we define size_t - either way
warnings appear when using some GCC version.
By rejecting that patch, a choice was made to prefer older GCC versions
and leave the warnings when building with the newer toolchains.
Personally, I disagree with this choice...
In any case, this patch proposes a way to fix the warnings for any GCC
version. Just define size_t using the __SIZE_TYPE__ compiler-defined
type and the type verification will pass.
I tested that this fixes the warning on GCC 4.8.3. I don't have an
older toolchain to test with, but __SIZE_TYPE__ was definitely defined
in GCC 3.4.6, so it should work there too.
Signed-off-by: Vasili Galka <vvv444@gmail.com>
Signed-off-by: Thomas Chou <thomas@wytron.com.tw>
Emails to the board maintainer
"Rishi Bhattacharya <rishi@ti.com>"
have been bouncing.
Tom suggested to remove this board.
Remove also omap1510_udc.c because this is the last board
to enable it.
Signed-off-by: Masahiro Yamada <yamada.m@jp.panasonic.com>
Suggested-by: Tom Rini <trini@ti.com>
If hwconfig does not contains "en_cpc" then by default all cpcs are enabled
If this config is defined then only those individual cpcs which are defined
in the subargument of "en_cpc" will be enabled e.g en_cpc:cpc1,cpc2; (this
will enable cpc1 and cpc2) or en_cpc:cpc2; (this enables just cpc2)
Signed-off-by: Shaveta Leekha <shaveta@freescale.com>
Signed-off-by: Sandeep Singh <Sandeep@freescale.com>
Reviewed-by: York Sun <yorksun@freescale.com>
Add deep sleep support in SPI/SD boot. The destination address
second stage uboot image is loaded to is changed because
currently this address will be used by kernel which means
we can't reserve it for resume.
Entry point to kernel is still placed in second stage uboot.
Signed-off-by: Tang Yuantian <Yuantian.Tang@freescale.com>
Reviewed-by: York Sun <yorksun@freescale.com>
bootflag as a parameter is passed to board_init_f().
But it is not actually used in this function.
Make it effective by assigned it to gd->flags.
Signed-off-by: Tang Yuantian <Yuantian.Tang@freescale.com>
Reviewed-by: York Sun <yorksun@freescale.com>
Remove the duplicated argument to | in two places. Reported
by Coccinelle (http://coccinelle.lip6.fr/).
Signed-off-by: Maxin B. John <maxin.john@enea.com>
- move blackfin specific cpu init code from blackfin board.c to cpu.c
- remove blackfin specific board init code and invoke generic board_f fron cpu init entry
- rename section name bss_vma to bss_start in order to match the generic board init code
- add a fake relocate_code function to set up the new stack only
Signed-off-by: Sonic Zhang <sonic.zhang@analog.com>
At present arm defines CONFIG_SYS_GENERIC_GLOBAL_DATA, meaning that
the global_data pointer is set up in board_init_f(). However it is
actually set up before this, it just isn't zeroed.
If we zero the global data before calling board_init_f() then we
don't need to define CONFIG_SYS_GENERIC_GLOBAL_DATA.
Make this change (on arm32 only) to simplify the init process. I
don't have the ability to test aarch64 yet.
Signed-off-by: Simon Glass <sjg@chromium.org>
Acked-by: Tom Rini <trini@ti.com>
When CONFIG_WATCHDOG is defined the board initialization just performs
a WATCHDOG_RESET, an initialization of the watchdog is not done.
This has been modified fot the MPC85xx, the board initialization calls
its watchdog initialitzation allowing for full watchdog configuration
very early in the boot phase.
Signed-off-by: Rainer Boschung <rainer.boschung@keymile.com>
Reviewed-by: York Sun <yorksun@freescale.com>
Function to inititialize the cpu watchdog added.
Signed-off-by: Rainer Boschung <rainer.boschung@keymile.com>
[York Sun: Add prototype in watchdog.h]
Reviewed-by: York Sun <yorksun@freescale.com>
For e500mc cores the watchdog timer period has to be set by means of a
6bit value, that defines the bit of the timebase counter used to signal
a watchdog timer exception on its 0 to 1 transition.
The macro used to set the watchdog period TCR_WP, was redefined for e500mc
to support 6 WP setting.
The parameter (x) given to the macro specifies the prescaling factor of
the time base clock (fTB):
watchdog_period = 1/fTB * 2^x
Signed-off-by: Rainer Boschung <rainer.boschung@keymile.com>
Reviewed-by: York Sun <yorksun@freescale.com>
TCR watchdog bit are overwritten when dec interrupt is enabled.
This has been fixed with this patch.
Signed-off-by: Rainer Boschung <rainer.boschung@keymile.com>
Reviewed-by: York Sun <yorksun@freescale.com>
Implement SD driver for the S3C24xx family. This implementation
is currently only capable of using the PIO transfers, DMA is not
supported.
Signed-off-by: Marek Vasut <marex@denx.de>
Cc: Kyungmin Park <kyungmin.park@samsung.com>
Cc: Lukasz Majewski <l.majewski@samsung.com>
Cc: Minkyu Kang <mk7.kang@samsung.com>
Cc: Pantelis Antoniou <panto@antoniou-consulting.com>
Cc: Vladimir Zapolskiy <vz@mleia.com>
Acked-by: Pantelis Antoniou <panto@antoniou-consulting.com>
Unify the register structure so they can be easily used across all
of S3C24xx lineup.
Signed-off-by: Marek Vasut <marex@denx.de>
Cc: Kyungmin Park <kyungmin.park@samsung.com>
Cc: Lukasz Majewski <l.majewski@samsung.com>
Cc: Minkyu Kang <mk7.kang@samsung.com>
Cc: Pantelis Antoniou <panto@antoniou-consulting.com>
Cc: Vladimir Zapolskiy <vz@mleia.com>
Acked-by: Pantelis Antoniou <panto@antoniou-consulting.com>
This patch add Marvell kirkwood MVSDIO/MMC driver
and enable it for Sheevaplugs and OpenRD boards.
Signed-off-by: Gerald Kerma <drEagle@doukki.net>
Reviewed-by: Stefan Roese <sr@denx.de>
Acked-by: Pantelis Antoniou <panto@antoniou-consulting.com>
CONFIG_${CPU} is defined by Kconfig.
Signed-off-by: Masahiro Yamada <yamada.m@jp.panasonic.com>
Acked-by: Simon Glass <sjg@chromium.org>
Acked-by: Stefan Roese <sr@denx.de>
This commit enables Kconfig.
Going forward, we use Kconfig for the board configuration.
mkconfig will never be used. Nor will include/config.mk be generated.
Kconfig must be adjusted for U-Boot because our situation is
a little more complicated than Linux Kernel.
We have to generate multiple boot images (Normal, SPL, TPL)
from one source tree.
Each image needs its own configuration input.
Usage:
Run "make <board>_defconfig" to do the board configuration.
It will create the .config file and additionally spl/.config, tpl/.config
if SPL, TPL is enabled, respectively.
You can use "make config", "make menuconfig" etc. to create
a new .config or modify the existing one.
Use "make spl/config", "make spl/menuconfig" etc. for spl/.config
and do likewise for tpl/.config file.
The generic syntax of configuration targets for SPL, TPL is:
<target_image>/<config_command>
Here, <target_image> is either 'spl' or 'tpl'
<config_command> is 'config', 'menuconfig', 'xconfig', etc.
When the configuration is done, run "make".
(Or "make <board>_defconfig all" will do the configuration and build
in one time.)
For futher information of how Kconfig works in U-Boot,
please read the comment block of scripts/multiconfig.py.
By the way, there is another item worth remarking here:
coexistence of Kconfig and board herder files.
Prior to Kconfig, we used C headers to define a set of configs.
We expect a very long term to migrate from C headers to Kconfig.
Two different infractructure must coexist in the interim.
In our former configuration scheme, include/autoconf.mk was generated
for use in makefiles.
It is still generated under include/, spl/include/, tpl/include/ directory
for the Normal, SPL, TPL image, respectively.
Signed-off-by: Masahiro Yamada <yamada.m@jp.panasonic.com>
Acked-by: Simon Glass <sjg@chromium.org>
This commit adds more Kconfig files, which were written by hand.
Signed-off-by: Masahiro Yamada <yamada.m@jp.panasonic.com>
Acked-by: Simon Glass <sjg@chromium.org>
This commit adds:
- arch/${ARCH}/Kconfig
provide a menu to select target boards
- board/${VENDOR}/${BOARD}/Kconfig or board/${BOARD}/Kconfig
set CONFIG macros to the appropriate values for each board
- configs/${TARGET_BOARD}_defconfig
default setting of each board
(This commit was automatically generated by a conversion script
based on boards.cfg)
In Linux Kernel, defconfig files are located under
arch/${ARCH}/configs/ directory.
It works in Linux Kernel since ARCH is always given from the
command line for cross compile.
But in U-Boot, ARCH is not given from the command line.
Which means we cannot know ARCH until the board configuration is done.
That is why all the "*_defconfig" files should be gathered into a
single directory ./configs/.
Signed-off-by: Masahiro Yamada <yamada.m@jp.panasonic.com>
Acked-by: Simon Glass <sjg@chromium.org>
Having a form of whitelist to check if we know of a CPU core
and and obtain CBAR is a bit silly.
It doesn't scale (how about A12, A17, as well as other I don't know
about?), and is actually a property of the SoC, not the core.
So either it works and everybody is happy, or it doesn't and
the u-boot port to this SoC is providing the real address via
a configuration option.
The result of the above is that this code doesn't need to exist,
is thus forcefully removed.
Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
Acked-by: Ian Campbell <ijc@hellion.org.uk>
Generate the PSCI node in the device tree.
Also add a reserve section for the "secure" code that lives in
in normal RAM, so that the kernel knows it'd better not trip on
it.
Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
Acked-by: Ian Campbell <ijc@hellion.org.uk>
Some architecture needs extra device tree setup. Instead of adding
yet another hook, convert arch_fixup_memory_node to be a generic
FDT fixup function.
[maz: collapsed 3 patches into one, rewrote commit message]
Signed-off-by: Ma Haijun <mahaijuns@gmail.com>
Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
Acked-by: Ian Campbell <ijc@hellion.org.uk>
Allow the switch to a second stage secure monitor just before
switching to non-secure.
This allows a resident piece of firmware to be active once the
kernel has been entered (the u-boot monitor is dead anyway,
its pages being reused).
Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
Acked-by: Ian Campbell <ijc@hellion.org.uk>
Implement core support for PSCI. As this is generic code, it doesn't
implement anything really useful (all the functions are returning
Not Implemented).
Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
Acked-by: Ian Campbell <ijc@hellion.org.uk>
The current non-sec switching code suffers from one major issue:
it cannot run in secure RAM, as a large part of u-boot still needs
to be run while we're switched to non-secure.
This patch reworks the whole HYP/non-secure strategy by:
- making sure the secure code is the *last* thing u-boot executes
before entering the payload
- performing an exception return from secure mode directly into
the payload
- allowing the code to be dynamically relocated to secure RAM
before switching to non-secure.
This involves quite a bit of horrible code, specially as u-boot
relocation is quite primitive.
Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
Acked-by: Ian Campbell <ijc@hellion.org.uk>
In anticipation of refactoring the HYP/non-secure code to run
from secure RAM, add a new linker section that will contain that
code.
Nothing is using it just yet.
Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
Acked-by: Ian Campbell <ijc@hellion.org.uk>
In order to be able to use the various mode constants (far more
readable than random hex values), add the missing HYP and A
values.
Also update arm/lib/interrupts.c to display HYP instead of an
unknown value.
Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
Acked-by: Ian Campbell <ijc@hellion.org.uk>
Before switching to non-secure, make sure that CNTVOFF is set
to zero on all CPUs. Otherwise, kernel running in non-secure
without HYP enabled (hence using virtual timers) may observe
timers that are not synchronized, effectively seeing time
going backward...
Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
Acked-by: Ian Campbell <ijc@hellion.org.uk>
A CP15 instruction execution can be reordered, requiring an
isb to be sure it is executed in program order.
Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
Acked-by: Ian Campbell <ijc@hellion.org.uk>
Having the switch to non-secure in the "prep" phase is causing
all kind of troubles, as that stage can be called multiple times.
Instead, move the switch to non-secure to the last possible phase,
when there is no turning back anymore.
Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
Acked-by: Ian Campbell <ijc@hellion.org.uk>
