Commit graph

435 commits

Author SHA1 Message Date
Bin Meng
091e51d20f x86: Remove dead ISA related codes
Neither new design uses ISA bus, nor does any U-Boot codes use these
codes. Remove them.

Signed-off-by: Bin Meng <bmeng.cn@gmail.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
2017-08-08 16:46:32 +08:00
Bin Meng
5d89b37f71 x86: kconfig: Select ARCH_EARLY_INIT_R in the platform Kconfig
This is architecture-dependent early initialization hence should
be put in the platform Kconfig.

Signed-off-by: Bin Meng <bmeng.cn@gmail.com>
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
2017-08-01 20:17:02 +08:00
Andy Shevchenko
c3df28f6e2 x86: Make table address selectable
Some firmwares might have another window for generated tables.

So, introduce two configuration options to select start address and
maximum length for the generated tables.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
2017-08-01 20:17:02 +08:00
Andy Shevchenko
ace7762b28 x86: acpi: Export acpi_fill_mcfg() with __weak attribute
Some platforms might require different approach when filling memory
mappings configuration table.

Allow them to override the common method.

At the same time export acpi_create_mcfg_mmconfig().

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
2017-07-30 10:30:25 +08:00
Andy Shevchenko
2dcbef6f6c x86: acpi: Name fields in FADT in accordance with specification
ACPI specification defines FADT fields marked as reserved in U-Boot.

Name these fields in accordance with ACPI specification.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
2017-07-30 10:30:25 +08:00
Felipe Balbi
e71de54a49 x86: Add Intel Tangier support
Add Intel Tangier SoC support.

Intel Tangier SoC is a core part of Intel Merrifield platform. For
example, Intel Edison board is based on such platform.

The patch is based on work done by the following people (in alphabetical
order):
	Aiden Park <aiden.park@intel.com>
	Dukjoon Jeon <dukjoon.jeon@intel.com>
	eric.park <eric.park@intel.com>
	Fabien Chereau <fabien.chereau@intel.com>
	Scott D Phillips <scott.d.phillips@intel.com>
	Sebastien Colleur <sebastienx.colleur@intel.com>
	Steve Sakoman <steve.sakoman@intel.com>
	Vincent Tinelli <vincent.tinelli@intel.com>

Reviewed-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
Signed-off-by: Vincent Tinelli <vincent.tinelli@intel.com>
Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
2017-07-30 10:30:25 +08:00
Andy Shevchenko
b7026b0c98 x86: Add dma-mapping.h to architectural code
Some cross-platform drivers rely on this header present.
Make it so for x86.

It's just a copy'n'paste of arch/arm/include/asm/dma-mapping.h.

Suggested-by: Bin Meng <bmeng.cn@gmail.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
2017-07-30 10:30:25 +08:00
Simon Glass
3ff240c92f x86: Don't include asm/u-boot.h in common
With a small fixup to u-boot-x86.h, this is not actually needed anywhere,
so drop it.

Signed-off-by: Simon Glass <sjg@chromium.org>
2017-06-05 11:02:35 -04:00
Simon Glass
6862b50f6e x86: Make u-boot-x86.h a private header
Rather than including this arch-specific header file in common.h, include
it from within x86's u-boot.h header.

Also drop the comment about something to be fixed. It is not clear what
needs fixing.

Signed-off-by: Simon Glass <sjg@chromium.org>
2017-06-05 11:02:32 -04:00
Bin Meng
f8f291b096 x86: baytrail: Change lpe/lpss-sio/scc FSP properties to integer
At present lpe/lpss-sio/scc FSP properties are all boolean, but in
fact for "enable-lpe" it has 3 possible options. This adds macros
for these options and change the property from a boolean type to
an integer type, and change their names to explicitly indicate what
the property is really for.

Signed-off-by: Bin Meng <bmeng.cn@gmail.com>
Reviewed-by: Stefan Roese <sr@denx.de>
Reviewed-by: Simon Glass <sjg@chromium.org>
2017-06-05 08:55:22 +08:00
Bin Meng
5e74e5a682 x86: baytrail: Use macros instead of magic numbers for FSP settings
Introduce various meaningful macros for FSP settings and switch over
to use them instead of magic numbers.

Signed-off-by: Bin Meng <bmeng.cn@gmail.com>
Reviewed-by: Stefan Roese <sr@denx.de>
Reviewed-by: Simon Glass <sjg@chromium.org>
2017-06-05 08:55:22 +08:00
Bin Meng
6702488cfa x86: baytrail: Remove "serial-debug-port-*" settings
"serial-debug-port-address" and "serial-debug-port-type" settings
are actually reserved in the FSP UPD data structure. Remove them.

Signed-off-by: Bin Meng <bmeng.cn@gmail.com>
Reviewed-by: Stefan Roese <sr@denx.de>
Reviewed-by: Simon Glass <sjg@chromium.org>
2017-06-05 08:55:22 +08:00
Bin Meng
5ae5aa9310 x86: acpi: Fix Windows S3 resume failure
U-Boot sets up the real mode interrupt handler stubs starting from
address 0x1000. In most cases, the first 640K (0x00000 - 0x9ffff)
system memory is reported as system RAM in E820 table to the OS.
(see install_e820_map() implementation for each platform). So OS
can use these memories whatever it wants.

If U-Boot is in an S3 resume path, care must be taken not to corrupt
these memorie otherwise OS data gets lost. Testing shows that, on
Microsoft Windows 10 on Intel Baytrail its wake up vector happens to
be installed at the same address 0x1000. While on Linux its wake up
vector does not overlap this memory range, but after resume kernel
checks low memory range per config option CONFIG_X86_RESERVE_LOW
which is 64K by default to see whether a memory corruption occurs
during the suspend/resume (it's harmless, but warnings are shown
in the kernel dmesg logs).

We cannot simply mark the these memory as reserved in E820 table
because such configuration makes GRUB complain: unable to allocate
real mode page. Hence we choose to back up these memories to the
place where we reserved on our stack for our S3 resume work.
Before jumping to OS wake up vector, we need restore the original
content there.

Signed-off-by: Bin Meng <bmeng.cn@gmail.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
Tested-by: Stefan Roese <sr@denx.de>
2017-05-17 17:11:46 +08:00
Bin Meng
0f4e25887d x86: acpi: Refactor acpi_resume()
To do something more in acpi_resume() like turning on ACPI mode,
we need locate ACPI FADT table pointer first. But currently this
is done in acpi_find_wakeup_vector().

This changes acpi_resume() signature to accept ACPI FADT pointer
as the parameter. A new API acpi_find_fadt() is introduced, and
acpi_find_wakeup_vector() is updated to use FADT pointer as the
parameter as well.

Signed-off-by: Bin Meng <bmeng.cn@gmail.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
Tested-by: Stefan Roese <sr@denx.de>
2017-05-17 17:11:46 +08:00
Bin Meng
995727850f x86: acpi: Make enter_acpi_mode() public
enter_acpi_mode() is useful on other boot path like S3 resume, so
make it public.

Signed-off-by: Bin Meng <bmeng.cn@gmail.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
Tested-by: Stefan Roese <sr@denx.de>
2017-05-17 17:11:46 +08:00
Bin Meng
ba65808e7d x86: fsp: Save stack address to CMOS for next S3 boot
At the end of pre-relocation phase, save the new stack address
to CMOS and use it as the stack on next S3 boot for fsp_init()
continuation function.

Signed-off-by: Bin Meng <bmeng.cn@gmail.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
Tested-by: Stefan Roese <sr@denx.de>
2017-05-17 17:11:46 +08:00
Bin Meng
9f1fad1e36 x86: Add an early CMOS access library
This adds a library that provides CMOS (inside RTC SRAM) access
at a very early stage when driver model is not available yet.

Signed-off-by: Bin Meng <bmeng.cn@gmail.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
Tested-by: Stefan Roese <sr@denx.de>
2017-05-17 17:11:46 +08:00
Bin Meng
3a34cae011 x86: acpi: Resume OS if resume vector is found
In an S3 resume path, U-Boot does everything like a cold boot except
in the last_stage_init() it jumps to the OS resume vector.

Signed-off-by: Bin Meng <bmeng.cn@gmail.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
Tested-by: Stefan Roese <sr@denx.de>
2017-05-17 17:11:46 +08:00
Bin Meng
e76bf38f18 x86: acpi: Add one API to find OS wakeup vector
This adds one API acpi_find_wakeup_vector() to locate OS wakeup
vector from the ACPI FACS table, to be used in the S3 boot path.

Signed-off-by: Bin Meng <bmeng.cn@gmail.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
Tested-by: Stefan Roese <sr@denx.de>
2017-05-17 17:11:46 +08:00
Bin Meng
2b2d666f9c x86: acpi: Add wake up assembly stub
This adds a wake up stub before jumping to OS wake up vector.

Signed-off-by: Bin Meng <bmeng.cn@gmail.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
Tested-by: Stefan Roese <sr@denx.de>
2017-05-17 17:11:46 +08:00
Bin Meng
e652e1304a x86: baytrail: Conditionally report S3 in the ACPI table
When U-Boot is built without ACPI S3 support, it should not report
S3 in the ACPI table otherwise when kernel does STR it won't work.

Signed-off-by: Bin Meng <bmeng.cn@gmail.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
Tested-by: Stefan Roese <sr@denx.de>
2017-05-17 17:11:46 +08:00
Bin Meng
b727961b07 x86: Store and display previous sleep state
Add one member in the global data to store previous sleep state,
and display the state during boot in print_cpuinfo().

Signed-off-by: Bin Meng <bmeng.cn@gmail.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
Tested-by: Stefan Roese <sr@denx.de>
2017-05-17 17:11:46 +08:00
Bin Meng
1206723b6e x86: fsp: acpi: Pass different boot mode to FSP init
When ACPI S3 resume is turned on, we should pass different boot mode
to FSP init instead of default BOOT_FULL_CONFIG.

Signed-off-by: Bin Meng <bmeng.cn@gmail.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
Tested-by: Stefan Roese <sr@denx.de>
2017-05-17 17:11:46 +08:00
Bin Meng
b7ef3bffff x86: Add post codes for OS resume
This adds OS_RESUME (0x40) and RESUME_FAILURE (0xed) post codes.

Signed-off-by: Bin Meng <bmeng.cn@gmail.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
Tested-by: Stefan Roese <sr@denx.de>
2017-05-17 17:11:46 +08:00
Bin Meng
fcf2fba472 x86: baytrail: acpi: Add APIs for determining/clearing sleep state
This adds APIs for determining previous sleep state from ACPI I/O
registers, as well as clearing sleep state on BayTrail SoC.

Signed-off-by: Bin Meng <bmeng.cn@gmail.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
Tested-by: Stefan Roese <sr@denx.de>
2017-05-17 17:11:46 +08:00
Bin Meng
4372c111d4 x86: acpi: Add Kconfig option and header file for ACPI resume
This introduces a Kconfig option for ACPI S3 resume, as well as a
header file to include anything related to ACPI S3 resume.

Signed-off-by: Bin Meng <bmeng.cn@gmail.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
Tested-by: Stefan Roese <sr@denx.de>
2017-05-17 17:11:46 +08:00
Andy Shevchenko
ca0d29e4f0 x86: Introduce minimal PMU driver for Intel MID platforms
This simple PMU driver allows to tyrn power on and off for selected
devices. In particularly Intel Tangier needs to power on SDHCI
controllers in order to access to them during board initialization.

In the future it might be expanded to cover other Intel MID platforms,
that's why it's located under arch/x86/lib and called pmu.c.

Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
2017-04-10 10:02:03 +08:00
Felipe Balbi
bb416465fd x86: Add SCU IPC driver for Intel MID platforms
Intel MID platforms have few microcontrollers inside SoC, one of them
is so called System Controller Unit (SCU).

Here is the driver to communicate with microcontroller.

Signed-off-by: Vincent Tinelli <vincent.tinelli@intel.com>
Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Acked-by: Simon Glass <sjg@chromium.org>
2017-04-10 10:02:03 +08:00
Simon Glass
e47b2d674f board_f: Make relocation functions generic
This header file is used by three archs. It could be used by all of them
since relocation is a common function. Move it into a generic file.

Signed-off-by: Simon Glass <sjg@chromium.org>
2017-04-05 16:36:57 -04:00
Simon Glass
96d4b75c0d board_f: Make init_helpers generic
This header file is used by two archs. It could be used by all of them
since it allows the cache to be on during relocation. Move it into a
generic file.

Signed-off-by: Simon Glass <sjg@chromium.org>
2017-04-05 16:36:56 -04:00
Simon Glass
5e924a13e7 Move dram_init_banksize() to a common header
This is an weak function present on all archs so we should have it in the
common header file. Remove it from arch-specific headers and add a
function comment.

Signed-off-by: Simon Glass <sjg@chromium.org>
2017-04-05 16:36:51 -04:00
Simon Glass
76b00aca4f board_f: Drop setup_dram_config() wrapper
By making dram_init_banksize() return an error code we can drop the
wrapper. Adjust this and clean up all implementations.

Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Stefan Roese <sr@denx.de>
2017-04-05 16:36:51 -04:00
Simon Glass
671549e5b0 board_f: x86: Rename x86_fsp_init() to arch_fsp_init()
While x86 is the only user and this could in principle be moved to
arch_cpu_init() there is some justification for this being a separate
call. It provides a way to handle init which is not CPU-specific, but
must happen before the CPU can be set up.

Rename the function to be more generic.

Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Stefan Roese <sr@denx.de>
2017-04-05 13:52:36 -04:00
Simon Glass
a0c75f9080 x86: Move turbo_state to global_data
To avoid using BSS in SPL before SDRAM is set up, move this field to
global_data.

Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
2017-02-07 13:07:26 +08:00
Simon Glass
1bff83637f x86: Move pirq_routing_table to global_data
To avoid using BSS in SPL before SDRAM is set up, move this field to
global_data.

Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
2017-02-07 13:07:23 +08:00
Simon Glass
fa5fcb3bc6 x86: Support jumping from SPL to U-Boot
Add a rough function to handle jumping from 32-bit SPL to 64-bit U-Boot.
This still needs work to clean it up.

Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
2017-02-06 11:38:46 +08:00
Simon Glass
db357236e3 x86: Fix up type sizes for 64-bit
Adjust types as needed to support 64-bit compilation.

Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
2017-02-06 11:38:46 +08:00
Simon Glass
4b57414a62 x86: Drop flag_is_changable() on x86_64
This doesn't build at present and is not used in a 64-bit build. Disable it
for now.

Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
2017-02-06 11:38:46 +08:00
Simon Glass
9097805067 x86: Fix up byteorder.h for x86_64
Remove the very old x86 code and add support for 64-bit.

Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
2017-02-06 11:38:46 +08:00
Simon Glass
a160092a61 x86: Support global_data on x86_64
At present this is just an ordinary variable. We may consider making it a
fixed register in the future.

Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
2017-02-06 11:38:46 +08:00
Simon Glass
be059e8813 x86: Move the i386 code into its own directory
Much of the cpu and interrupt code cannot be compiled on 64-bit x86. Move it
into its own directory and build it only in 32-bit mode.

Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
2017-02-06 11:38:46 +08:00
Simon Glass
4bbc02454f x86: Add an SPL implementation
SPL needs to set up the machine ready for loading 64-bit U-Boot and jumping
to it. Call the existing init routines in order to accomplish this.

Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
2017-02-06 11:38:46 +08:00
Simon Glass
beb4d65e92 x86: fsp: Fix cast for 64-bit compilation
Fix a cast in get_next_hob() that causes warnings on 64-bit machines.

Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
2017-02-06 11:38:46 +08:00
Simon Glass
e71ffd0951 x86: Update mpspec to build on 64-bit machines
At present this uses u32 to store an address. We should use unsigned long
and avoid special types in function return values and parameters unless
necessary. This makes the code more portable.

Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
2017-02-06 11:38:46 +08:00
Simon Glass
42fd8c19b5 x86: Use unsigned long for address in table generation
We should use unsigned long rather than u32 for addresses. Update this so
that the table-generation code builds correctly on 64-bit machines.

Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
2017-02-06 11:38:46 +08:00
Andy Shevchenko
7cbaddd4ad x86: Synchronize list of x86 subarchitectures (update bootparam.h)
Basically rename X86_SUBARCH_MRST to X86_SUBARCH_INTEL_MID to be more specific.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Reviewed-by: Stefan Roese <sr@denx.de>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
2017-02-06 11:38:46 +08:00
Alexander Graf
b7b8410a8f ls2080: Exit dpaa only right before exiting U-Boot
On ls2080 we have a separate network fabric component which we need to
shut down before we enter Linux (or any other OS). Along with that also
comes configuration of the fabric using a description file.

Today we always stop and configure the fabric in the boot script and
(again) exit it on device tree generation. This works ok for the normal
booti case, but with bootefi the payload we're running may still want to
access the network.

So let's add a new fsl_mc command that defers configuration and stopping
the hardware to when we actually exit U-Boot, so that we can still use
the fabric from an EFI payload.

For existing boot scripts, nothing should change with this patch.

Signed-off-by: Alexander Graf <agraf@suse.de>
Reviewed-by: York Sun <york.sun@nxp.com>
[agraf: Fix x86 build]
2016-11-17 14:18:55 +01:00
Tom Rini
3431b392ad Patch queue for efi - 2016-10-19
Highlights this time around:
 
   - Add run time service (power control) support for PSCI (fixed in v3)
   - Add efi gop pointer exposure
   - SMBIOS support for EFI (on ARM)
   - efi pool memory unmap support (needed for 4.8)
   - initial x86 efi payload support (fixed up in v2)
   - various bug fixes
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Merge tag 'signed-efi-next' of git://github.com/agraf/u-boot

Patch queue for efi - 2016-10-19

Highlights this time around:

  - Add run time service (power control) support for PSCI (fixed in v3)
  - Add efi gop pointer exposure
  - SMBIOS support for EFI (on ARM)
  - efi pool memory unmap support (needed for 4.8)
  - initial x86 efi payload support (fixed up in v2)
  - various bug fixes

Signed-off-by: Tom Rini <trini@konsulko.com>

Conflicts:
	include/tables_csum.h
2016-10-19 07:48:16 -04:00
Alexander Graf
94eaa79cec cpu: Add get_vendor callback
The CPU udevice already has a few callbacks to retreive information
about the currently running CPUs. This patch adds a new get_vendor()
call that returns the vendor of the main CPUs.

Signed-off-by: Alexander Graf <agraf@suse.de>
Reviewed-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
2016-10-19 09:01:51 +02:00
Alexander Graf
4b6dddc294 x86: Move smbios generation into arch independent directory
We will need the SMBIOS generation function on ARM as well going forward,
so let's move it into a non arch specific location.

Signed-off-by: Alexander Graf <agraf@suse.de>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
2016-10-19 09:01:50 +02:00