Simon Glass [Sat, 5 Sep 2020 20:50:53 +0000 (14:50 -0600)]
cros: Add information about booting Chrome OS on x86
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 [Sat, 5 Sep 2020 20:50:52 +0000 (14:50 -0600)]
cros: Update chromium documentation
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 [Sat, 5 Sep 2020 20:50:51 +0000 (14:50 -0600)]
x86: zboot: Allow overriding the command line
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 [Sat, 5 Sep 2020 20:50:50 +0000 (14:50 -0600)]
x86: zboot: Add an option to dump the setup information
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 [Sat, 5 Sep 2020 20:50:49 +0000 (14:50 -0600)]
x86: zboot: Allow setting a separate setup base address
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 [Sat, 5 Sep 2020 20:50:48 +0000 (14:50 -0600)]
x86: zboot: Set environment variables for image locations
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 [Sat, 5 Sep 2020 20:50:47 +0000 (14:50 -0600)]
x86: zboot: Add an 'setup' subcommand
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 [Sat, 5 Sep 2020 20:50:46 +0000 (14:50 -0600)]
x86: zboot: Add an 'load' subcommand
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 [Sat, 5 Sep 2020 20:50:45 +0000 (14:50 -0600)]
x86: zboot: Add an 'info' subcommand
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 [Sat, 5 Sep 2020 20:50:44 +0000 (14:50 -0600)]
x86: zboot: Add a 'go' subcommand
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 [Sat, 5 Sep 2020 20:50:43 +0000 (14:50 -0600)]
x86: zboot: Set up a sub-command structure
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 [Sat, 5 Sep 2020 20:50:42 +0000 (14:50 -0600)]
x86: zimage: Disable interrupts just before booting
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 [Sat, 5 Sep 2020 20:50:41 +0000 (14:50 -0600)]
x86: zboot: Correct image type
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 [Sat, 5 Sep 2020 20:50:40 +0000 (14:50 -0600)]
x86: zboot: Move kernel-version code into a function
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 [Sat, 5 Sep 2020 20:50:39 +0000 (14:50 -0600)]
x86: zimage: Avoid using #ifdef
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 [Sat, 5 Sep 2020 20:50:38 +0000 (14:50 -0600)]
x86: zimage: Use a state struct to hold the state
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 [Sat, 5 Sep 2020 20:50:37 +0000 (14:50 -0600)]
x86: Update the bootparam header
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>
Tom Rini [Thu, 24 Sep 2020 12:30:25 +0000 (08:30 -0400)]
Merge branch 'mpc85xx-for-v2021.01' into next
- 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 [Tue, 30 Jun 2020 05:08:34 +0000 (13:08 +0800)]
configs: powerpc: add usb (host) mass storage support
commit 0cfccb54014b ("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>
The info of fixed-link PHY is described in DT node instead of
getting from MII, so detect the fixed-link PHY DT node first,
if it doesn't exist then probe the MII.
net: tsec: convert to use DM_MDIO when DM_ETH enabled
For the platforms on which the eTSEC driver uses DM_ETH, convert its
MDIO controller code to also use DM_MDIO.
Note that for handling the TBI PHY (the MAC PCS for SGMII), we still
don't register a udevice for it, since we can drive it locally and there
is no point in doing otherwise.
Signed-off-by: Vladimir Oltean <vladimir.oltean@nxp.com> Signed-off-by: Hou Zhiqiang <Zhiqiang.Hou@nxp.com>
[Reworked to fix gazerbeam config] Signed-off-by: Priyanka Jain <priyanka.jain@nxp.com>
net: fsl_mdio: Correct the MII management register block address
The MII management register block offset is different between
gianfar and etsec2 compatible devices, this patch is to fix
this issue by adding driver data for different compatible
string.
Vladimir Oltean [Thu, 16 Jul 2020 10:09:09 +0000 (18:09 +0800)]
configs: enable DM_MDIO for LS1021A-TWR and LS1021A-TSN
The tsec driver now requires DM_MDIO when DM_ETH is enabled. To avoid
build errors, enable DM_MDIO in these boards' configs before we actually
add DM_MDIO support to tsec.
Vladimir Oltean [Thu, 16 Jul 2020 10:09:08 +0000 (18:09 +0800)]
phy: make phy_connect_fixed work with a null mdio bus
It is utterly pointless to require an MDIO bus pointer for a fixed PHY
device. The fixed.c implementation does not require it, only
phy_device_create. Fix that.
When a message is written by a log driver (e.g. via the network stack) this
may result in the generation of further messages. We cannot allow these
additional messages to be emitted as this might result in an infinite
recursion.
Up to now only the syslog driver was safeguarded. We should safeguard all
log drivers instead.
Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de> Reviewed-by: Simon Glass <sjg@chromium.org>
optee: add property no-map to secure reserved memory
OP-TEE reserved memory node must set property "no-map" to prevent
Linux kernel from mapping secure memory unless what non-secure world
speculative accesses of the CPU can violate the memory firmware
configuration.
Fixes: 6ccb05eae01b ("image: fdt: copy possible optee nodes to a loaded devicetree") Signed-off-by: Etienne Carriere <etienne.carriere@st.com> Signed-off-by: Patrice Chotard <patrice.chotard@st.com>
fdtdec: optionally add property no-map to created reserved memory node
Add boolean input argument @no_map to helper function
fdtdec_add_reserved_memory() to add or not "no-map" property
for an added reserved memory node.
Property no-map is used by the Linux kernel to not not map memory
in its static memory mapping. It is needed for example for the|
consistency of system non-cached memory and to prevent speculative
accesses to some firewalled memory.
No functional change. A later change will update to OPTEE library to
add no-map property to OP-TEE reserved memory nodes.
Simon Glass [Sun, 6 Sep 2020 16:39:08 +0000 (10:39 -0600)]
binman: Allow selecting default FIT configuration
Add a new entry argument to the fit entry which allows selection of the
default configuration to use. This is the 'default' property in the
'configurations' node.
Update the Makefile to pass in the value of DEVICE_TREE or
CONFIG_DEFAULT_DEVICE_TREE to provide this information.
Signed-off-by: Simon Glass <sjg@chromium.org> Suggested-by: Michal Simek <michal.simek@xilinx.com>
binman: Document how CROSS_COMPILE, CC, HOSTCC etc. are used in README
Explain that binman interprets these environment variables in the
"External tools" section to run target/host specific versions of the
tools, and add a new section on how to use CROSS_COMPILE to run the
tests on non-x86 machines.
Signed-off-by: Alper Nebi Yasak <alpernebiyasak@gmail.com> Reviewed-by: Simon Glass <sjg@chromium.org>
projects / u-boot.git / log