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This undocumented function relies on arch-specific code to declare a nop
weak version. Add the weak function in common code instead to avoid having
to duplicate the same function in each arch.
Signed-off-by: Simon Glass <sjg@chromium.org>
Signed-off-by: Alexander Graf <agraf@suse.de>
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The efi selftest and the hello application require CRT0 and RELOC to be
built.
Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
Reviewed-by: Simon Glass <sjg@chromium.org>
Signed-off-by: Alexander Graf <agraf@suse.de>
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Variables EFI_RELOC and EFI_CRT0 have to be defined to build the
EFI unit tests. This patch ensures this for the x86 architecure.
If we compile with EFI_STUB, the bitness depends on CONFIG_EFI_STUB_64BIT.
Otherwise the bitness depends on CONFIG_X86_64.
Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
Reviewed-by: Simon Glass <sjg@chromium.org>
Signed-off-by: Alexander Graf <agraf@suse.de>
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x86 bitops.h provides a __set_bit() but does not define PLATFORM__SET_BIT
as a result generic_set_bit() is used instead of the architecturally
provided __set_bit().
This patch defines PLATFORM__SET_BIT which means that __set_bit() in x86
bitops.h will be called whenever generic_set_bit() is called - as opposed
to the default cross-platform generic_set_bit().
Signed-off-by: Bryan O'Donoghue <pure.logic@nexus-software.ie>
Cc: Simon Glass <sjg@chromium.org>
Cc: Bin Meng <bmeng.cn@gmail.com>
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When U-Boot started using SPDX tags we were among the early adopters and
there weren't a lot of other examples to borrow from. So we picked the
area of the file that usually had a full license text and replaced it
with an appropriate SPDX-License-Identifier: entry. Since then, the
Linux Kernel has adopted SPDX tags and they place it as the very first
line in a file (except where shebangs are used, then it's second line)
and with slightly different comment styles than us.
In part due to community overlap, in part due to better tag visibility
and in part for other minor reasons, switch over to that style.
This commit changes all instances where we have multiple licenses (in
these cases, dual license) declared in the SPDX-License-Identifier tag.
In this case we change from listing "LICENSE-A LICENSE-B" or "LICENSE-A
or LICENSE-B" or "(LICENSE-A OR LICENSE-B)" to "LICENSE-A OR LICENSE-B"
as per the Linux Kernel style document. Note that parenthesis are
allowed so when they were used before we continue to use them.
Reviewed-by: Fabio Estevam <fabio.estevam@nxp.com>
Signed-off-by: Tom Rini <trini@konsulko.com>
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When U-Boot started using SPDX tags we were among the early adopters and
there weren't a lot of other examples to borrow from. So we picked the
area of the file that usually had a full license text and replaced it
with an appropriate SPDX-License-Identifier: entry. Since then, the
Linux Kernel has adopted SPDX tags and they place it as the very first
line in a file (except where shebangs are used, then it's second line)
and with slightly different comment styles than us.
In part due to community overlap, in part due to better tag visibility
and in part for other minor reasons, switch over to that style.
This commit changes all instances where we have a single declared
license in the tag as both the before and after are identical in tag
contents. There's also a few places where I found we did not have a tag
and have introduced one.
Signed-off-by: Tom Rini <trini@konsulko.com>
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We have a large number of places where while we historically referenced
gd in the code we no longer do, as well as cases where the code added
that line "just in case" during development and never dropped it.
Signed-off-by: Tom Rini <trini@konsulko.com>
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If CONFIG_FRAMEBUFFER_SET_VESA_MODE is not set, don't switch
graphics card to VESA mode. This applies to both native mode
and emulator mode of running the VGA BIOS.
Signed-off-by: Bin Meng <bmeng.cn@gmail.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
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This changes 'struct e820entry' to 'struct e820_entry' to conform
with the coding style.
Signed-off-by: Bin Meng <bmeng.cn@gmail.com>
Reviewed-by: Christian Gmeiner <christian.gmeiner@gmail.com>
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This fixes the following checkpatch warning:
warning: Prefer 'unsigned int' to bare use of 'unsigned'
Signed-off-by: Bin Meng <bmeng.cn@gmail.com>
Reviewed-by: Christian Gmeiner <christian.gmeiner@gmail.com>
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The commit 3f70a6f57734 ("x86: Add clr/setbits functions")
introduced the {read|write}_ macros to manipulate data.
Those macros are not used by any code in the u-boot project (despite the
io.h itself). Other architectures use io.h with {in|out}_* macros.
This commit brings some unification across u-boot supported architectures.
Signed-off-by: Lukasz Majewski <lukma@denx.de>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
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Add readq() and writeq() definitions for x86.
Please note: in 32-bit code readq/writeq will generate two 32-bit
memory access instructions instead of one atomic 64-bit operation.
Signed-off-by: Ivan Gorinov <ivan.gorinov@intel.com>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
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The portable executable header has a field describing the machine type.
The machine type should match the binary. So on i386 we should use
IMAGE_FILE_MACHINE_I386 and on x86_64 we should use
IMAGE_FILE_MACHINE_AMD64. The actual value is issued by the objcopy
command invoked in scripts/Makefile.lib in depdendence of the value of
EFI_TARGET.
The value is used both for EFI_STUB and for EFI_LOADER.
Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
Signed-off-by: Alexander Graf <agraf@suse.de>
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On x86 platforms, U-Boot does not pass Device Tree data to the kernel.
This prevents the kernel from using FDT loaded by U-Boot.
Read the working FDT address from the "fdtaddr" environment variable
and add a copy of the FDT data to the kernel setup_data list.
Signed-off-by: Ivan Gorinov <ivan.gorinov@intel.com>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
[bmeng: add #include <linux/libfdt.h> to zimage.c to fix build error]
Signed-off-by: Bin Meng <bmeng.cn@gmail.com>
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Merge init_helpers.h in the new file init.h
with only prototypes for init_cache_f_r
used in common/board_f.c
Signed-off-by: Patrick Delaunay <patrick.delaunay@st.com>
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Thomas reported U-Boot failed to build host tools if libfdt-devel
package is installed because tools include libfdt headers from
/usr/include/ instead of using internal ones.
This commit moves the header code:
include/libfdt.h -> include/linux/libfdt.h
include/libfdt_env.h -> include/linux/libfdt_env.h
and replaces include directives:
#include <libfdt.h> -> #include <linux/libfdt.h>
#include <libfdt_env.h> -> #include <linux/libfdt_env.h>
Reported-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
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Only ARM and in some configs MIPS really implement arch_fixup_fdt().
Others just use the same boilerplate which is not good by itself,
but what's worse if we try to build with disabled CONFIG_CMD_BOOTM
and enabled CONFIG_OF_LIBFDT we'll hit an unknown symbol which was
apparently implemented in arch/xxx/lib/bootm.c.
Now with weak arch_fixup_fdt() right in image-fdt.c where it is
used we get both items highlighted above fixed.
Signed-off-by: Alexey Brodkin <abrodkin@synopsys.com>
Cc: Daniel Schwierzeck <daniel.schwierzeck@gmail.com>
Cc: Simon Glass <sjg@chromium.org>
Cc: York Sun <york.sun@nxp.com>
Cc: Stefan Roese <sr@denx.de>
Reviewed-by: Tom Rini <trini@konsulko.com>
Reviewed-by: Daniel Schwierzeck <daniel.schwierzeck@gmail.com>
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The variable t_rfc is never used, so drop it. The variables ddr_wctl
and ddr_wcmd are only used in certain manual instances, so guard their
declaration by the same check as their use.
Cc: Bin Meng <bmeng.cn@gmail.com>
Signed-off-by: Tom Rini <trini@konsulko.com>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
Tested-by: Bin Meng <bmeng.cn@gmail.com>
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At present the acpi_rsdp_addr variable is directly referenced in
setup_zimage(). This changes to use an API for better encapsulation
and extension.
Signed-off-by: Bin Meng <bmeng.cn@gmail.com>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
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New field acpi_rsdp_addr, which has been introduced in boot protocol
v2.14 [1], in boot parameters tells kernel the exact address of RDSP
ACPI table. Knowing it increases robustness of the kernel by avoiding
in some cases traversal through a part of physical memory.
It will slightly reduce boot time by the same reason.
[1] See Linux kernel commit
2f74cbf ("x86/boot: Add the ACPI RSDP address to struct setup_header::acpi_rdsp_addr")
@ https://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git/commit/?id=2f74cbf
for the details.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
[bmeng: updated the kernel commit git URL and fixed one style issue]
Signed-off-by: Bin Meng <bmeng.cn@gmail.com>
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The commit
20bfac0599bd ("x86: zImage: add Intel MID platforms support")
introduced an assignment of subarch field in boot parameters, though
missed the right place of doing that. It doesn't matter if we have or
not a kernel command line supplied, we just set that field. Although
guard it by protocol version which supports it.
Fixes: 20bfac0599bd ("x86: zImage: add Intel MID platforms support")
Cc: Vincent Tinelli <vincent.tinelli@intel.com>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
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The commit
eece493a7ac1 ("cmd: qfw: bring ACPI generation code into qfw core")
moves ACPI related code to another file and missed an update of
references in acpi_table.c.
Do it now.
Fixes: eece493a7ac1 ("cmd: qfw: bring ACPI generation code into qfw core")
Cc: Miao Yan <yanmiaobest@gmail.com>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
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ASL compiler warns:
ASL board/intel/edison/dsdt.asl
board/intel/edison/dsdt.asl.tmp 238: Method (_CRS, 0, NotSerialized)
Remark 2120 - Control Method should be made Serialized ^ (due to creation of named objects within)
Do as suggested by ASL compiler.
Fixes: 5d8c4ebd95e2 ("x86: tangier: Add Bluetooth to ACPI table")
Reported-by: Ferry Toth <fntoth@gmail.com>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
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As defined on reference board followed by Intel Edison a Bluetooth
device is attached to HSU0, i.e. PCI 0000:04.1.
Describe it in ACPI accordingly.
Note, we use BCM2E95 ID here as one most suitable for such device based
on the description in commit message of commit 89ab37b489d1
("Bluetooth: hci_bcm: Add support for BCM2E95 and BCM2E96")
in the Linux kernel source tree.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Acked-by: Bin Meng <bmeng.cn@gmail.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
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The recent commit 03c4749dd6c7
("gpio / ACPI: Drop unnecessary ACPI GPIO to Linux GPIO translation")
in the Linux kernel reveals the issue we have in ACPI tables here,
i.e. we must use hardware numbers for GPIO resources and,
taking into consideration that GPIO and pin control are *different* IPs
on Intel Tangier, we need to supply numbers properly.
Besides that, it improves user experience since the official documentation
for Intel Edison board is referring to GPIO hardware numbering scheme.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Acked-by: Bin Meng <bmeng.cn@gmail.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
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We only need to compile and link these files when building for full
U-Boot. Move them to under cmd/x86/ to make sure they aren't linked in
and undiscarded due to u_boot_list_2_cmd_* being included).
Cc: Bin Meng <bmeng.cn@gmail.com>
Signed-off-by: Tom Rini <trini@konsulko.com>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
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FLIS IP since now gets its own ACPI ID.
Drop PRP0001 workaround in favour of official ACPI HID.
Corresponding kernel commit dabd4bc6de2b
pinctrl: intel: merrifield: Introduce ACPI device table
in the pin control subsystem tree [1] targeting v4.16.
[1]: https://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl.git/commit/?h=for-next&id=dabd4bc6de2b
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
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And use 'imply' liberally.
Signed-off-by: Tuomas Tynkkynen <tuomas.tynkkynen@iki.fi>
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This patch removes the inclusion of the libgcc math functions and
replaces them by functions coded in C, taken from the coreboot
project. This makes U-Boot building more independent from the toolchain
installed / available on the build system.
The code taken from coreboot is authored from Vadim Bendebury
<vbendeb@chromium.org> on 2014-11-28 and committed with commit
ID e63990ef [libpayload: provide basic 64bit division implementation]
(coreboot git repository located here [1]).
I modified the code so that its checkpatch clean without any
functional changes.
[1] git://github.com/coreboot/coreboot.git
Signed-off-by: Stefan Roese <sr@denx.de>
Cc: Simon Glass <sjg@chromium.org>
Cc: Bin Meng <bmeng.cn@gmail.com>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
Tested-by: Bin Meng <bmeng.cn@gmail.com>
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This reverts commit 13c531e52a09b4e6ffa8b5a1457199b0a574cb27.
The error message with FIT style image mentioned in the above commit
only happens when booting using FIT image containing bzImage kernel
and without setup node (setup.bin). The current documentation for
x86 FIT support in doc/uImage.FIT/x86-fit-boot.txt mentions that
kernel's setup.bin file is required for building x86 FIT images.
The above commit breaks FIT images generated as described in the
documentation. Revert it to allow booting with images built in the
documented way.
Signed-off-by: Anatolij Gustschin <agust@denx.de>
Reviewed-by: Stefan Roese <sr@denx.de>
Acked-by: Bin Meng <bmeng.cn@gmail.com>
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x86_vendor_name is defined as
static const char *const x86_vendor_name[]
So its elements should not be compared to 0.
Remove superfluous paranthesis.
Problem identified with Coccinelle.
Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
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ROM has been made read-only in qemu recently (namely commit 208fa0e4:
"pc: make 'pc.rom' readonly when machine has PCI enabled"). So this
patch restores compatibility between U-Boot and qemu.
Signed-off-by: Anton Gerasimov <anton@advancedtelematic.com>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
Tested-by: Bin Meng <bmeng.cn@gmail.com>
[bmeng: mention qemu commit title in the commit message]
Signed-off-by: Bin Meng <bmeng.cn@gmail.com>
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Currently, pylibfdt is always compiled if swig is installed on your
machine. It is really annoying because most of targets (excepts
x86, sunxi, rockchip) do not use dtoc or binman.
"checkbinman" and "checkdtoc" are wrong. It is odd that the final
build stage checks if we have built necessary tools. If your platform
depends on dtoc/binman, you must be able to build pylibfdt. If swig
is not installed, it should fail immediately.
I added PYLIBFDT, DTOC, BINMAN entries to Kconfig. They should be
property select:ed by platforms that need them. Kbuild will descend
into scripts/dtc/pylibfdt/ only when CONFIG_PYLIBFDT is enabled.
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
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The supported sleep states are generic on Intel processors. Move the
ASL definition to the common place.
Signed-off-by: Bin Meng <bmeng.cn@gmail.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
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On some platforms (eg: Braswell), the FSP will not produce the
graphics info HOB unless you plug some cables to the display
interface (eg: HDMI) on the board. Add such notes in the FSP
video driver.
Signed-off-by: Bin Meng <bmeng.cn@gmail.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
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Intel Braswell FSP requires SPI controller settings to be locked down,
let's do this in the chrryhill.dts and remove previous Kconfig option.
Signed-off-by: Bin Meng <bmeng.cn@gmail.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
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This reverts commit 1e6ebee667da47fd3a87839a239a7574c66f5659.
It's not appropriate to call the Intel SPI driver specific stuff in
the FSP codes. We may add a simple DTS property "intel,spi-lock-down"
and let the Intel SPI driver call these stuff instead.
Signed-off-by: Bin Meng <bmeng.cn@gmail.com>
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In an S3 resume path, MRC cache is mandatory. Enforce the dependency
in the Kconfig.
Signed-off-by: Bin Meng <bmeng.cn@gmail.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
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Imply does not work for a Kconfig choice. Update ENV_IS_IN_SPI_FLASH
to be the default one for Intel Braswell.
Signed-off-by: Bin Meng <bmeng.cn@gmail.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
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It was observed that when booting Linux kernel on Intel Cherry Hill
board, unexpected crash happens quite randomly. Sometimes kernel
just oops, while sometimes kernel throws MCE errors and hangs:
mce: [Hardware Error]: Machine check events logged
mce: [Hardware Error]: CPU 0: Machine Check: 0 Bank 4: c400000000010151
mce: [Hardware Error]: TSC 0 ADDR 130f3f2c0
mce: [Hardware Error]: PROCESSOR 0:406c3 TIME 1508160686 SOCKET 0 APIC 0 microcode 363
This looks like a hardware error per mcelog. After debugging, it
seems turning off turbo mode on the processor does not expose this
behavior, although U-Boot runs OK with turbo mode on. Suspect it is
related to an errata of Braswell processor.
To fix this, remove the Braswell cpu driver which does the turbo
mode configuration, and switch to use the generic cpu-x86 driver.
Also there is a configuration option in the FSP that turns on the
turbo mode and that has been turned off too.
Signed-off-by: Bin Meng <bmeng.cn@gmail.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
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Azalia configuration may be different across boards, hence it's not
appropriate to do that in the SoC level. Instead, let's make the
SoC update_fsp_azalia_configs() routine as a weak version, and do
the actual work in the board codes.
So far it seems only som-db5800-som-6867 board enables the Azalia.
Move the original codes into som-db5800-som-6867.c.
Signed-off-by: Bin Meng <bmeng.cn@gmail.com>
Reviewed-by: Stefan Roese <sr@denx.de>
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At present we directly pass the Azalia config pointer to the FSP UPD.
This updates to use a function to do the stuff, like Braswell does.
Signed-off-by: Bin Meng <bmeng.cn@gmail.com>
Reviewed-by: Stefan Roese <sr@denx.de>
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So far there are two copies of Azalia struct defines with one in
baytrail and the other one in braswell. This consolidates these
two into one, put it in the common place, and remove the prefix
pch_ to these structs to make their names more generic.
This also corrects reset_wait_timer from us to ms.
Signed-off-by: Bin Meng <bmeng.cn@gmail.com>
Reviewed-by: Stefan Roese <sr@denx.de>
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This is only needed when graphics console is used. For kernel with
native graphics driver, this can be turned off to speed up.
Change this option's default to n in the Kconfig.
Signed-off-by: Bin Meng <bmeng.cn@gmail.com>
Reviewed-by: Stefan Roese <sr@denx.de>
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It was observed that when booting a Ubuntu 16.04 kernel, doing ACPI
S3 suspend/resume sometimes causes the Ubuntu kernel hang forever.
The issue is however not reproduced with a kernel built from i386/
x86_64 defconfig configuration.
The unstability is actually caused by unexpected interrupts being
generated during the S3 resume. For some unknown reason, FSP (gold4)
for BayTrail configures the GPIO DFX5 PAD to enable level interrupt
(bit 24 and 25). As this pin keeps generating interrupts during an
S3 resume, and there is no IRQ requester in the kernel to handle it,
the kernel seems to hang and does not continue resuming.
Clear the mysterious interrupt bits for this pin.
Reported-by: Stefan Roese <sr@denx.de>
Signed-off-by: Bin Meng <bmeng.cn@gmail.com>
Tested-by: Stefan Roese <sr@denx.de>
Reviewed-by: Stefan Roese <sr@denx.de>
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Intel Tangier SoC is a part of Intel Merrifield platform which doesn't
utilize ACPI by default. Here is an attempt to unleash ACPI flexibility
power on Intel Merrifield based platforms.
The change brings minimum support of the devices that found on
Intel Merrifield based end user device.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
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U-Boot widely uses error() as a bit noisier variant of printf().
This macro causes name conflict with the following line in
include/linux/compiler-gcc.h:
# define __compiletime_error(message) __attribute__((error(message)))
This prevents us from using __compiletime_error(), and makes it
difficult to fully sync BUILD_BUG macros with Linux. (Notice
Linux's BUILD_BUG_ON_MSG is implemented by using compiletime_assert().)
Let's convert error() into now treewide-available pr_err().
Done with the help of Coccinelle, excluing tools/ directory.
The semantic patch I used is as follows:
// <smpl>
@@@@
-error
+pr_err
(...)
// </smpl>
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
[trini: Re-run Coccinelle]
Signed-off-by: Tom Rini <trini@konsulko.com>
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Convert the x86 architecture to make use of the new asm-generic/io.h to
provide address mapping functions. As the generic implementations are
suitable for x86 this is primarily a matter of moving code.
This has only been build-tested, feedback from architecture maintainers
is welcome.
Signed-off-by: Paul Burton <paul.burton@imgtec.com>
Cc: Simon Glass <sjg@chromium.org>
Reviewed-by: Simon Glass <sjg@chromium.org>
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legacy_hole_base_k and legacy_hole_size_k are defined but
not used.
Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
Reviewed-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
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With bootstage we need access to the timer before driver model is set up.
To handle this, put the required state in global_data and provide a new
function to set up the device, separate from the driver's probe() method.
This will be used by the 'early' timer also.
Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
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