Simon Glass authored 4 years ago and Bin Meng committed 4 years ago

This table is needed by the Linux graphics driver to handle graphics
correctly. Write it to ACPI.

Signed-off-by: Simon Glass <sjg@chromium.org>

Simon Glass authored 4 years ago and Bin Meng committed 4 years ago

Some devices can wake the system from sleep, e.g opening the lid on a
clamshell or moving a USB mouse.

Add a wake to specify this for USB devices and add the settings for Apollo
Lake.

Signed-off-by: Simon Glass <sjg@chromium.org>

Simon Glass authored 4 years ago and Bin Meng committed 4 years ago

Many I2C devices produce roughly the same ACPI data with just things like
the GPIO/interrupt information being different.

This can be handled by a generic driver along with some information in the
device tree.

Add a generic i2c driver for this purpose.

Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Heiko Schocher <hs@denx.de>

Simon Glass authored 4 years ago and Bin Meng committed 4 years ago

The extra ACPI code increases U-Boot above it current size limit. Move
the start earlier to provide space.

Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>

Simon Glass authored 4 years ago and Bin Meng committed 4 years ago

This function currently accepts the IRQ-polarity type. Fix it to use the
GPIO type instead.

Signed-off-by: Simon Glass <sjg@chromium.org>

Simon Glass authored 4 years ago and Bin Meng committed 4 years ago

Add a function to generate ACPI code for a _DSM method for a device.
This includes functions for starting and ending each part of the _DSM.

Signed-off-by: Simon Glass <sjg@chromium.org>
[bmeng: fix the "new blank line at EOF" git warning]
Signed-off-by: Bin Meng <bmeng.cn@gmail.com>

Simon Glass authored 4 years ago and Bin Meng committed 4 years ago

Add functions to support generating ACPI code for condition checks and
return values.

Signed-off-by: Simon Glass <sjg@chromium.org>

Simon Glass authored 4 years ago and Bin Meng committed 4 years ago

A 'Power Resource for Wake' list the resources a device depends on for
wake. Add a function to generate this.

Signed-off-by: Simon Glass <sjg@chromium.org>

Simon Glass authored 4 years ago and Bin Meng committed 4 years ago

This device has a large set of ACPI tables. Bring these in from coreboot
so that full functionality is available (apart from SMI).

Signed-off-by: Simon Glass <sjg@chromium.org>

Simon Glass authored 4 years ago and Bin Meng committed 4 years ago

Expand this to 4KB so that it is possible to add custom information to it.
On Chromebooks this is used to pass verified-boot information.

Signed-off-by: Simon Glass <sjg@chromium.org>

Simon Glass authored 4 years ago and Bin Meng committed 4 years ago

At present U-Boot puts a magic number in the ASL for the GNVS table and
searches for it later.

Add a Kconfig option to use a different approach, where the ASL files
declare the table as an external symbol. U-Boot can then put it wherever
it likes, without any magic numbers or searching.

Signed-off-by: Simon Glass <sjg@chromium.org>

Simon Glass authored 4 years ago and Bin Meng committed 4 years ago

Add the definition of this structure common to Intel devices. It includes
some optional Chrome OS pieces which are used when vboot is integrated.

Drop the APL version as it is basically the same.

Signed-off-by: Simon Glass <sjg@chromium.org>

Simon Glass authored 4 years ago and Bin Meng committed 4 years ago

Add a way to specify the required size for this region. This is used when
generating ACPI tables.

Signed-off-by: Simon Glass <sjg@chromium.org>

Simon Glass authored 4 years ago and Bin Meng committed 4 years ago

This value is incorrect and causes problems booting Linux. Fix it.

Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>

Simon Glass authored 4 years ago and Bin Meng committed 4 years ago

Add common DPTF (Intel Dynamic Performance and Thermal Framework) files,
taken from coreboot.

Signed-off-by: Simon Glass <sjg@chromium.org>

Simon Glass authored 4 years ago and Bin Meng committed 4 years ago

Add Apollo Lake ASL files, taken from coreboot.

Signed-off-by: Simon Glass <sjg@chromium.org>

Simon Glass authored 4 years ago and Bin Meng committed 4 years ago

Add common x86 ASL files, taken from coreboot.

Signed-off-by: Simon Glass <sjg@chromium.org>
Tested-by: Wolfgang Wallner <wolfgang.wallner@br-automation.com>

Simon Glass authored 4 years ago and Bin Meng committed 4 years ago

Add ASL files for the Chrome OS EC, taken from coreboot.

Signed-off-by: Simon Glass <sjg@chromium.org>

Simon Glass authored 4 years ago and Bin Meng committed 4 years ago

Recent versions of Chrome OS do not have a kernel in the root disk, to
save space.

With the improvements to the 'zboot' command it is fairly easy to load
the kernel from the raw partition. Add instructions on how to do this.

Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Wolfgang Wallner <wolfgang.wallner@br-automation.com>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>

Simon Glass authored 4 years ago and Bin Meng committed 4 years ago

A few things have changed since this was written about 18 months ago.
Update the README.

Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Wolfgang Wallner <wolfgang.wallner@br-automation.com>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>

Simon Glass authored 4 years ago and Bin Meng committed 4 years ago

When booting Chrome OS images the command line is stored separately
from the kernel. Add a way to specify this address so that images boot
correctly.

Also add comments to the zimage.h header.

Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Wolfgang Wallner <wolfgang.wallner@br-automation.com>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
[bmeng: adjust maxargs to 8 for 'zboot start']
Signed-off-by: Bin Meng <bmeng.cn@gmail.com>

Simon Glass authored 4 years ago and Bin Meng committed 4 years ago

There is a lot of information in the setup block and it is quite hard to
decode manually. Add a 'zboot dump' command to decode it into a
human-readable format.

Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Wolfgang Wallner <wolfgang.wallner@br-automation.com>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>

Simon Glass authored 4 years ago and Bin Meng committed 4 years ago

At present the setup block is always obtained from the image
automatically. In some cases it can be useful to use a setup block
obtained elsewhere, e.g. if the image has already been unpacked. Add an
argument to support this and update the logic to use it if provided.

Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Wolfgang Wallner <wolfgang.wallner@br-automation.com>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
[bmeng: adjust maxargs to 7 for 'zboot start']
Signed-off-by: Bin Meng <bmeng.cn@gmail.com>

Simon Glass authored 4 years ago and Bin Meng committed 4 years ago

At present it is not possible to tell from a script where the setup block
is, or where the image was loaded to. Add environment variables for this.

Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Wolfgang Wallner <wolfgang.wallner@br-automation.com>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>

Simon Glass authored 4 years ago and Bin Meng committed 4 years ago

Add a subcommand that sets up the kernel ready for execution.

Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Wolfgang Wallner <wolfgang.wallner@br-automation.com>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>

Simon Glass authored 4 years ago and Bin Meng committed 4 years ago

Add a subcommand that loads the kernel into the right places in memory.

Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
[bmeng: adjust ZBOOT_STATE_INFO value to match the command order]
Signed-off-by: Bin Meng <bmeng.cn@gmail.com>

Simon Glass authored 4 years ago and Bin Meng committed 4 years ago

Add a little subcommand that prints out where the kernel was loaded and
its setup pointer. Run it by default in the normal boot.

Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Wolfgang Wallner <wolfgang.wallner@br-automation.com>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>

Simon Glass authored 4 years ago and Bin Meng committed 4 years ago

Split out the code that actually boots linux into a separate sub-command.
Add base_ptr to the state to support this.

Show an error if the boot fails, since this should not happen.

Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Wolfgang Wallner <wolfgang.wallner@br-automation.com>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>

Simon Glass authored 4 years ago and Bin Meng committed 4 years ago

Add subcommands to zboot. At present there is only one called 'start'
which does the whole boot. It is the default command so is optional.

Change the 's' string variable to const while we are here.

Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Wolfgang Wallner <wolfgang.wallner@br-automation.com>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
[bmeng: reduce maxargs to 6 of 'zboot start' subcommand]
Signed-off-by: Bin Meng <bmeng.cn@gmail.com>

Simon Glass authored 4 years ago and Bin Meng committed 4 years ago

At present if an error occurs while setting up the boot, interrupts are
left disabled. Move this call later in the sequence to avoid this problem.

Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Wolfgang Wallner <wolfgang.wallner@br-automation.com>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>

Simon Glass authored 4 years ago and Bin Meng committed 4 years ago

At present U-Boot sets a loader type of 8 which means LILO version 8,
according to the spec. Update it to 0x80, which means U-Boot with no
particular version.

Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Wolfgang Wallner <wolfgang.wallner@br-automation.com>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>

Simon Glass authored 4 years ago and Bin Meng committed 4 years ago

To help reduce the size and complexity of load_zimage(), move the code
that reads the kernel version into a separate function. Update
get_boot_protocol() to allow printing the 'Magic signature' message only
once, under control of its callers.

Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Wolfgang Wallner <wolfgang.wallner@br-automation.com>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>

Simon Glass authored 4 years ago and Bin Meng committed 4 years ago

Use IS_ENABLED() instead of #ifdef in this file.

Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Wolfgang Wallner <wolfgang.wallner@br-automation.com>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>

Simon Glass authored 4 years ago and Bin Meng committed 4 years ago

At present the 'zboot' command does everything in one go. It would be
better if it supported sub-commands like bootm, so it is possible to
examine what will be booted before actually booting it.

In preparation for this, move the 'state' of the command into a struct.
This will allow it to be shared among multiple functions in this file.

Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Wolfgang Wallner <wolfgang.wallner@br-automation.com>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>

Simon Glass authored 4 years ago and Bin Meng committed 4 years ago

This header is missing a few of the newer features from the specification.
Add these as well as a link to the spec. Also use the BIT() macros where
appropriate.

Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Wolfgang Wallner <wolfgang.wallner@br-automation.com>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>

- Add DM_SPI, DM_SPI_FLASH support for powerpc platforms
- Add DM_ETH support on P1010RDB, P1020RDB, P2020RDB
- Remove some un-maintained powerpc platforms
- Add USB_STORAGE support in config

Ran Wang authored 4 years ago and Tom Rini committed 4 years ago

commit 0cfccb54 ("configs: Resync with savedefconfig")
removed CONFIG_USB_STORAGE from some powerpc platforms' defconfig
files, whicih would block the use case of system loading rootfs
from USB drives, add them back.

Signed-off-by: Ran Wang <ran.wang_1@nxp.com>
Reviewed-by: Tom Rini <trini@konsulko.com>
Reviewed-by: Priyanka Jain <priyanka.jain@nxp.com>

Priyanka Jain authored 4 years ago and Tom Rini committed 4 years ago

Remove NXP powerpc P5040DS secure boot configs as they are
no longer maintained.

Signed-off-by: Priyanka Jain <priyanka.jain@nxp.com>

Priyanka Jain authored 4 years ago and Tom Rini committed 4 years ago

Remove NXP powerpc P5020DS board support as it is no
longer maintained.

Signed-off-by: Priyanka Jain <priyanka.jain@nxp.com>

Priyanka Jain authored 4 years ago and Tom Rini committed 4 years ago

Remove NXP powerpc P4080DS secure boot configs as they are
no longer maintained.

Signed-off-by: Priyanka Jain <priyanka.jain@nxp.com>