Commit graph

76524 commits

Author SHA1 Message Date
Pali Rohár
0089f61e2d tools: kwboot: Patch nandpagesize to zero also for v1 image
kwbimage v1 has also nandpagesize field. So set it to zero for both image
versions when image is not signed.

Signed-off-by: Pali Rohár <pali@kernel.org>
Reviewed-by: Stefan Roese <sr@denx.de>
2021-10-28 10:33:32 +02:00
Pali Rohár
2fdba4f658 tools: kwbimage: Add support for NAND_PAGE_SIZE command also for v1 images
The NAND_PAGE_SIZE command is already supported by mkimage for v0 images,
but not for v1 images.

A38x and A39x BootROM supports reading NAND flash page size from v1 image
in the same way as Kirkwood BootROM from v0 image. It it documented in A38x
and A39x Functional Specification.

Signed-off-by: Pali Rohár <pali@kernel.org>
Reviewed-by: Stefan Roese <sr@denx.de>
2021-10-28 10:33:32 +02:00
Pali Rohár
59102987be arm: mvebu: turris_omnia: Fix MTD partitions order for Linux
Linux enumerates MTD partitions in DTB order, while the fdt_add_subnode()
function puts a new subnode at the beginning.

To fix this, put MTD partitions into DTB in reverse order.

Fixes: 92f36c8e74 ("arm: mvebu: turris_omnia: fixup MTD partitions in Linux' DTB")
Signed-off-by: Pali Rohár <pali@kernel.org>
Reviewed-by: Marek Behún <marek.behun@nic.cz>
Reviewed-by: Stefan Roese <sr@denx.de>
2021-10-28 10:33:32 +02:00
Pali Rohár
e6571f38c9 arm: mvebu: Remove dummy BIN header arguments for SPL binary
U-Boot SPL binary does not read BIN header arguments, so passing some dummy
values 0000005b and 00000068 has no effect for U-Boot SPL code.

Probably these two values comes from old Marvell DDR training code which
was separated from U-Boot and used it for some configuration.

Seems that two 32-bit values were specified here to ensure SPL code
alignment to 128-bit boundary as it is required e.g. for A370 or AXP
processors. Main kwbimage header is 64-byte long which is aligned to
128-bit boundary. Optional kwbheader is 32-bit long, number of BIN header
arguments is stored in 32-bit number. So for alignment to 128-bit boundary
is needed 64-bit padding which exactly these two 32-bit dummy arguments
provided.

Now when mkimage correctly aligns start of executable code in BIN header to
128-bit boundary, there is no requirement to put dummy argument values into
kwbimage. So remove them.

Signed-off-by: Pali Rohár <pali@kernel.org>
Reviewed-by: Stefan Roese <sr@denx.de>
2021-10-28 10:33:32 +02:00
Pali Rohár
701769d87e arm: mvebu: Add documentation for save_boot_params() function
Important detail is availability of kwbimage BIN header arguments passed
via r0 and r1 registers by BootROM.

Signed-off-by: Pali Rohár <pali@kernel.org>
Reviewed-by: Stefan Roese <sr@denx.de>
2021-10-28 10:33:32 +02:00
Pali Rohár
e58f08b479 tools: kwbimage: Align BIN header executable code to 128-bit boundary
ARM executable code inside the BIN header on some mvebu platforms
(e.g. A370, AXP) must always be aligned with the 128-bit boundary. This
requirement can be met by inserting dummy arguments into BIN header.

Signed-off-by: Pali Rohár <pali@kernel.org>
Reviewed-by: Stefan Roese <sr@denx.de>
2021-10-28 10:33:32 +02:00
Pali Rohár
a85a71d396 tools: kwboot: Align UART baudrate change code in BIN header to 128-bit boundary
ARM executable code inside the BIN header on some mvebu platforms
(e.g. A370, AXP) must always be aligned with the 128-bit boundary. This
requirement can be met by inserting dummy arguments into BIN header.

Signed-off-by: Pali Rohár <pali@kernel.org>
Reviewed-by: Stefan Roese <sr@denx.de>
2021-10-28 10:33:32 +02:00
Ilias Apalodimas
e7fb789612 sandbox: Remove OF_HOSTFILE
OF_HOSTFILE is used on sandbox configs only.  Although it's pretty
unique and not causing any confusions,  we are better of having simpler
config options for the DTB.

So let's replace that with the existing OF_BOARD.  U-Boot would then
have only three config options for the DTB origin.
- OF_SEPARATE, build separately from U-Boot
- OF_BOARD, board specific way of providing the DTB
- OF_EMBED embedded in the u-boot binary(should not be used in production

Signed-off-by: Ilias Apalodimas <ilias.apalodimas@linaro.org>
Reviewed-by: Simon Glass <sjg@chromium.org>
2021-10-27 16:38:26 -04:00
Tom Rini
670d657dfb Pull request for efi-2022-01-rc1-2
doc:
 	Remove obsolete PPC4XX references
 
 UEFI:
 	Implement missing TCG2 measurements
 	Code clean up
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Merge tag 'efi-2022-01-rc1-2' of https://source.denx.de/u-boot/custodians/u-boot-efi

Pull request for efi-2022-01-rc1-2

doc:
	Remove obsolete PPC4XX references

UEFI:
	Implement missing TCG2 measurements
	Code clean up

# gpg: Signature made Tue 26 Oct 2021 05:56:47 PM EDT
# gpg:                using RSA key 6DC4F9C71F29A6FA06B76D33C481DBBC2C051AC4
# gpg: Good signature from "Heinrich Schuchardt <xypron.glpk@gmx.de>" [unknown]
# gpg:                 aka "[jpeg image of size 1389]" [unknown]
# Primary key fingerprint: 6DC4 F9C7 1F29 A6FA 06B7  6D33 C481 DBBC 2C05 1AC4
2021-10-26 18:42:52 -04:00
Tom Rini
c9661d0fee Merge branch '2021-10-26-add-nand-biterr-and-bugfixes'
- Add biterr sub-command to "nand"
- scmi, rsa, uuid bugfixes, re-sort DFU menu in Kconfig and remove
  superfluous checks before free in env.
2021-10-26 18:34:55 -04:00
Masahisa Kojima
65aa259aa7 efi_loader: add DeployedMode and AuditMode variable measurement
This commit adds the DeployedMode and AuditMode variable
measurement required in TCG PC Client Platform Firmware
Profile Specification.

Signed-off-by: Masahisa Kojima <masahisa.kojima@linaro.org>
2021-10-26 21:33:19 +02:00
Masahisa Kojima
96485d2f3f efi_loader: simplify tcg2_measure_secure_boot_variable()
This commit simplifies tcg2_measure_secure_boot_variable()
using secure_variables table.

Signed-off-by: Masahisa Kojima <masahisa.kojima@linaro.org>
2021-10-26 21:33:19 +02:00
Masahisa Kojima
ce3dbc5d08 efi_loader: add UEFI GPT measurement
This commit adds the UEFI GPT disk partition topology
measurement required in TCG PC Client Platform Firmware
Profile Specification

Signed-off-by: Masahisa Kojima <masahisa.kojima@linaro.org>
2021-10-26 21:32:46 +02:00
Heinrich Schuchardt
28ab12ad14 env: superfluous check before free()
Free() checks if its argument in NULL. There is no need for the caller to
do the same.

Signed-off-by: Heinrich Schuchardt <heinrich.schuchardt@canonical.com>
2021-10-26 15:26:45 -04:00
Marek Vasut
73d18e352d dfu: Sort Kconfig entries alphabetically
The DFU_MTD Kconfig entry is in the wrong position, move it into the
correct alphabetically sorted position. No functional change.

Signed-off-by: Marek Vasut <marex@denx.de>
Cc: Lukasz Majewski <lukma@denx.de>
Cc: Patrice Chotard <patrice.chotard@foss.st.com>
Cc: Patrick Delaunay <patrick.delaunay@foss.st.com>
2021-10-26 15:26:45 -04:00
Patrick Delaunay
70a9f4d25b lib: uuid: fix the test on RNG device presence
Correct the test on RNG device presence,when ret is equal to 0,
before to call dm_rng_read function.

Without this patch the RNG device is not used when present (when ret == 0)
or a data abort occurs in dm_rng_read when CONFIG_DM_RNG is activated but
the RNG device is not present in device tree (ret != 0 and devp = NULL).

Fixes: 92fdad28cf ("lib: uuid: use RNG device if present")
CC: Matthias Brugger <mbrugger@suse.com>
CC: Torsten Duwe <duwe@suse.de>
Signed-off-by: Patrick Delaunay <patrick.delaunay@foss.st.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
2021-10-26 15:26:45 -04:00
Philippe Reynes
5d39c93244 common: Kconfig.boot: add config SPL_FIT_RSASSA_PSS
The padding pss is only supported on u-boot and tools since
commit 2bbed3ff8c ("image: Use Kconfig to enable FIT_RSASSA_PSS on host")

This commit adds the config SPL_FIT_RSASSA_PSS to support
the padding pss in the SPL.

Signed-off-by: Philippe Reynes <philippe.reynes@softathome.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
2021-10-26 15:26:45 -04:00
Philippe Reynes
b560c704d6 lib: rsa: rsa-verify: also check that padding is not NULL
This commit adds a check on the padding in the function rsa_verify_key
to avoid using a NULL pointer.

Signed-off-by: Philippe Reynes <philippe.reynes@softathome.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
2021-10-26 15:26:45 -04:00
Clément Léger
32cc3929a1 firmware: scmi: fix struct layout for scmi_clk_rate_set_in
First two fields are reversed compared to what is expected by the SCMI
specification.

Signed-off-by: Clément Léger <clement.leger@bootlin.com>
Fixes: 6038884483 ("clk: add clock driver for SCMI agents")
2021-10-26 15:26:45 -04:00
Balamanikandan Gunasundar
4ea84c5dce cmd: nand biterr - Add support for nand biterr command
The command shall be used to induce bit errors in the nand page
manually. The code flips a bit in the specified offset without
changing the ECC. This helps to see how the software handles the
error.

The patch is ported from
https://patchwork.ozlabs.org/project/uboot/patch/\
1325691123-19565-1-git-send-email-holger.brunck@keymile.com

The implementation is inspired from
'mtd-utils/nand-utils/nandflipbits.c'

Signed-off-by: Balamanikandan Gunasundar <balamanikandan.gunasundar@microchip.com>
2021-10-26 15:26:45 -04:00
Masahisa Kojima
3d49ee8510 efi_loader: add SMBIOS table measurement
TCG PC Client Platform Firmware Profile Specification
requires to measure the SMBIOS table that contains static
configuration information (e.g. Platform Manufacturer
Enterprise Number assigned by IANA, platform model number,
Vendor and Device IDs for each SMBIOS table).

The device- and environment-dependent information such as
serial number is cleared to zero or space character for
the measurement.

Existing smbios_string() function returns pointer to the string
with const qualifier, but exisintg use case is updating version
string and const qualifier must be removed.
This commit removes const qualifier from smbios_string()
return value and reuses to clear the strings for the measurement.

This commit also fixes the following compiler warning:

lib/smbios-parser.c:59:39: warning: cast to pointer from integer of
different size [-Wint-to-pointer-cast]
  const struct smbios_header *header = (struct smbios_header *)entry->struct_table_address;

Signed-off-by: Masahisa Kojima <masahisa.kojima@linaro.org>
2021-10-26 17:58:14 +02:00
Tom Rini
75e33b378b Merge branch '2021-10-25-assorted-updates'
- Allow redundant environment on the eMMC HW boot partitions
- Use LMB in "loads"
- env, dfu + spi, OPTEE bugfixes
2021-10-26 09:33:17 -04:00
Marek Vasut
ca341e98c8 dfu: dfu_sf: Read the SPI flash in 16 MiB chunks
Not all SPI flashes and controllers can do continuous transfer longer
than 16 MiB, so perform the DFU read in 16 MiB chunks.

Signed-off-by: Marek Vasut <marex@denx.de>
Cc: Lukasz Majewski <lukma@denx.de>
Reviewed-by: Lukasz Majewski <lukma@denx.de>
2021-10-25 18:13:12 -04:00
Ricardo Salveti
949eb228f3 arm: spl: prepare for jumping to OPTEE
Make sure to (if applicable) flush the D-cache, invalidate I-cache,
and disable MMU and caches before jumping to OPTEE.
This fixes the SDP->SPL->OPTEE boot flow on iMX6Q and most likely on
some other ARM SoCs.

Signed-off-by: Ricardo Salveti <ricardo@foundries.io>
Co-developed-by: Oleksandr Suvorov <oleksandr.suvorov@foundries.io>
Signed-off-by: Oleksandr Suvorov <oleksandr.suvorov@foundries.io>
2021-10-25 17:17:24 -04:00
Heinrich Schuchardt
a45dac1785 efi_loader: simplify tcg2_measure_secure_boot_variable()
Don't duplicate GUIDs.

Signed-off-by: Heinrich Schuchardt <heinrich.schuchardt@canonical.com>
Reviewed-by: Ilias Apalodimas <ilias.apalodimas@linaro.org>
2021-10-25 21:13:07 +02:00
Heinrich Schuchardt
02fef8b101 efi_loader: simplify efi_sigstore_parse_sigdb()
Simplify efi_sigstore_parse_sigdb() by using existing functions.

Signed-off-by: Heinrich Schuchardt <heinrich.schuchardt@canonical.com>
Reviewed-by: Ilias Apalodimas <ilias.apalodimas@linaro.org>
2021-10-25 21:13:07 +02:00
Heinrich Schuchardt
e618d1d285 efi_loader: function to get GUID for variable name
In multiple places we need the default GUID matching a variable name.
The patch provides a library function. For secure boot related variables
like 'PK', 'KEK', 'db' a lookup table is used. For all other variable
names EFI_GLOBAL_VARIABLE is returned.

Signed-off-by: Heinrich Schuchardt <heinrich.schuchardt@canonical.com>
Reviewed-by: Ilias Apalodimas <ilias.apalodimas@linaro.org>
2021-10-25 21:13:06 +02:00
Heinrich Schuchardt
d47671c631 efi_loader: treat UEFI variable name as const
UEFI variable names are typically constants and hence should be defined as
const. Unfortunately some of our API functions do not define the parameters
for UEFI variable names as const. This requires unnecessary conversions.

Adjust parameters of several internal functions to tre UEFI variable names
as const.

Signed-off-by: Heinrich Schuchardt <heinrich.schuchardt@canonical.com>
Reviewed-by: Ilias Apalodimas <ilias.apalodimas@linaro.org>
2021-10-25 21:13:06 +02:00
AKASHI Takahiro
7a6fb28c8e efi_loader: capsule: add back efi_get_public_key_data()
The commit 47a25e81d3 ("Revert "efi_capsule: Move signature from DTB to
.rodata"") failed to revert the removal of efi_get_public_key_data().

Add back this function and move it under lib/efi_loader so that other
platforms can utilize it. It is now declared as a weak function so that
it can be replaced with a platform-specific implementation.

Fixes: 47a25e81d3 ("Revert "efi_capsule: Move signature from DTB to
	.rodata"")
Signed-off-by: AKASHI Takahiro <takahiro.akashi@linaro.org>
Reviewed-by: Ilias Apalodimas <ilias.apalodimas@linaro.org>
Signed-off-by: Heinrich Schuchardt <heinrich.schuchardt@canonical.com>
2021-10-25 21:13:06 +02:00
AKASHI Takahiro
c5e81fddf2 Revert "Revert "doc: Update CapsuleUpdate READMEs""
This reverts commit a7e4f905d2.
The description originally written by Sughosh is still valid
even after the commit 47a25e81d3 ("Revert "efi_capsule: Move signature
from DTB to .rodata"") was applied.

Signed-off-by: AKASHI Takahiro <takahiro.akashi@linaro.org>
2021-10-25 21:13:06 +02:00
AKASHI Takahiro
18cfbbba1e Revert "Revert "mkeficapsule: Remove dtb related options""
This reverts commit d428e81266.
We have agreed with removing dtb-related stuff from mkeficapsule
command even if the commit 47a25e81d3 ("Revert "efi_capsule: Move
signature from DTB to .rodata"") was applied.

Signed-off-by: AKASHI Takahiro <takahiro.akashi@linaro.org>
Reviewed-by: Ilias Apalodimas <ilias.apalodimas@linaro.org>
2021-10-25 21:13:06 +02:00
Heinrich Schuchardt
e0b56e068c .mailmap: add Heinrich Schuchardt
Add a mailmap entry for me.

Signed-off-by: Heinrich Schuchardt <heinrich.schuchardt@canonical.com>
2021-10-25 21:13:06 +02:00
Masahisa Kojima
f86352eb82 efi_loader: add missing const qualifier
This commit fixes the following compilation warning
of boottime->install_configuration_table() function.

lib/efi_selftest/efi_selftest_tcg2.c:475:46:
warning: passing argument 1 of ‘boottime->install_configuration_table’
discards ‘const’ qualifier from pointer target type [-Wdiscarded-qualifiers]
  ret = boottime->install_configuration_table(&smbios_guid, dmi);

Signed-off-by: Masahisa Kojima <masahisa.kojima@linaro.org>
Reviewed-by: Heinrich Schuchardt <heinrich.schuchardt@canonical.com>
2021-10-25 21:13:06 +02:00
Thomas Huth
8e7791a959 doc: Remove the obsolete README.mpc74xx file
Support for the PPC74xx processors has been removed in commit
d928664f41 ("powerpc: 74xx_7xx: remove 74xx_7xx cpu support")
more than 6 years ago already. So the corresponding README file
can now be removed, too.

Signed-off-by: Thomas Huth <thuth@redhat.com>
Signed-off-by: Heinrich Schuchardt <heinrich.schuchardt@canonical.com>
2021-10-25 21:13:06 +02:00
Heinrich Schuchardt
b0f100e0f5 doc: remove AMCC PPC405 processor references
Support for PPC4XX processors has been removed. So we should not mention it
in the documentation.

Signed-off-by: Heinrich Schuchardt <heinrich.schuchardt@canonical.com>
Reviewed-by: Thomas Huth <thuth@redhat.com>
2021-10-25 21:13:06 +02:00
Marek Vasut
d11d1becbd env: mmc: Add support for redundant env in both eMMC boot partitions
Currently the MMC environment driver supports storing redundant environment
only in one eMMC partition at different offsets. This is sub-optimal, since
if this one boot partition is erased, both copies of environment are lost.
Since the eMMC has two boot partitions, add support for storing one copy of
environment in each of the two boot partitions.

To enable this functionality, select CONFIG_SYS_REDUNDAND_ENVIRONMENT to
indicate redundant environment should be used. Set CONFIG_SYS_MMC_ENV_PART
to 1 to indicate environment should be stored in eMMC boot partition. Set
CONFIG_ENV_OFFSET equal to CONFIG_ENV_OFFSET_REDUND, and both to the offset
from start of eMMC boot partition where the environment should be located.

Signed-off-by: Marek Vasut <marex@denx.de>
Cc: Fabio Estevam <festevam@gmail.com>
Cc: Jaehoon Chung <jh80.chung@samsung.com>
Cc: Peng Fan <peng.fan@nxp.com>
Cc: Stefano Babic <sbabic@denx.de>
2021-10-25 14:33:13 -04:00
Marek Vasut
c6855195e4 loads: Block writes into LMB reserved areas of U-Boot
The loads srec loading may overwrite piece of U-Boot accidentally.
Prevent that by using LMB to detect whether upcoming write would
overwrite piece of reserved U-Boot code, and if that is the case,
abort the srec loading.

Signed-off-by: Marek Vasut <marek.vasut+renesas@gmail.com>
Cc: Simon Glass <sjg@chromium.org>
Cc: Tom Rini <trini@konsulko.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
2021-10-25 14:29:37 -04:00
Marek Vasut
f47f87f257 env: mmc: Add missing eMMC bootpart restoration to env erase
If the environment is stored in eMMC hardware boot partition, the environment
driver first stores the currently selected eMMC boot partition, then does the
requested operation, and then restores the original boot partition settings.
In case the environment operation fails, the boot partition settings are also
restored.

The 'env erase' implementation in the MMC environment driver lacks the path
which restores the boot partition. This could lead to various failure modes,
like the system boots the wrong copy of bootloader etc. Fix this by filling
in the missing restoration path.

Signed-off-by: Marek Vasut <marex@denx.de>
Cc: Fabio Estevam <festevam@gmail.com>
Cc: Jaehoon Chung <jh80.chung@samsung.com>
Cc: Peng Fan <peng.fan@nxp.com>
Cc: Stefano Babic <sbabic@denx.de>
2021-10-25 14:29:37 -04:00
Tom Rini
397b35f097 Merge branch 'master' of https://source.denx.de/u-boot/custodians/u-boot-sunxi
- Add and enable watchdog driver
- Prepare for SYSRESET driven AXP poweroff
- Prepare for SoCs without MMC2
- Some fixes for extending SPL (SPL-DM for RISC-V)
- Some preparations for proper VBUS management
- Fix secure monitor move
2021-10-25 12:09:57 -04:00
Icenowy Zheng
c846fe43f0 mmc: sunxi: conditionally include MMC2 initialization code
Allwinner R329 has no MMC2.

Only include the code of MMC2 if the base address of it is defined.

Signed-off-by: Icenowy Zheng <icenowy@sipeed.com>
Reviewed-by: Andre Przywara <andre.przywara@arm.com>
Signed-off-by: Andre Przywara <andre.przywara@arm.com>
2021-10-25 14:54:57 +01:00
Icenowy Zheng
03510bf621 sunxi: only include alias for eMMC when mmc2 used
Some Allwinner SoCs (e.g. R329) doesn't have a MMC2 controller at all,
and on boards that we do not utilize MMC2, the alias for it is just
useless.

Only include the alias when we specify CONFIG_MMC_SUNXI_EXTRA_SLOT to 2.

Signed-off-by: Icenowy Zheng <icenowy@sipeed.com>
Reviewed-by: Andre Przywara <andre.przywara@arm.com>
Signed-off-by: Andre Przywara <andre.przywara@arm.com>
2021-10-25 14:54:50 +01:00
Samuel Holland
08bdb976b7 sunxi: dts: H616: Enable the watchdog
For some reason, the watchdog was disabled in the H616 device tree. Most
likely this is a copy-paste from the H6 device tree: the H6 watchdog is
disabled because it is broken in some chips. However, there is no
evidence of issues with the H616 watchdog.

Enable the watchdog node so it can be used by the driver.

Signed-off-by: Samuel Holland <samuel@sholland.org>
Reviewed-by: Andre Przywara <andre.przywara@arm.com>
Signed-off-by: Andre Przywara <andre.przywara@arm.com>
2021-10-25 14:54:42 +01:00
Tom Rini
35a7677e38 u-boot-imx-20211022
-------------------
 
 CI: https://source.denx.de/u-boot/custodians/u-boot-imx/-/pipelines/9561
 
 - i.MX8:
 	- Toradex Verdin (switch to binman, cleanup, etc.)
 	- Phytec phycore_imx8mm (fixes, boot from SPI-NOR)
 	- fixes for imx8mp_evk
 - doc (i.MX): MX8MM with Fast boot
 - i.MX6:
 	- Toradex : colibri-imx6ull with eMMC, fixes
 - i.MX7ULP :
 	- preparation for OPTEE + Serial Number
 - generic:
 	- imx8m_image: Support ddr3 firmware
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Merge tag 'u-boot-imx-20211022' of https://gitlab.denx.de/u-boot/custodians/u-boot-imx

u-boot-imx-20211022
-------------------

CI: https://source.denx.de/u-boot/custodians/u-boot-imx/-/pipelines/9561

- i.MX8:
	- Toradex Verdin (switch to binman, cleanup, etc.)
	- Phytec phycore_imx8mm (fixes, boot from SPI-NOR)
	- fixes for imx8mp_evk
- doc (i.MX): MX8MM with Fast boot
- i.MX6:
	- Toradex : colibri-imx6ull with eMMC, fixes
- i.MX7ULP :
	- preparation for OPTEE + Serial Number
- generic:
	- imx8m_image: Support ddr3 firmware
2021-10-25 09:54:36 -04:00
Samuel Holland
b147bd3607 sunxi: Enable watchdog timer support by default
A watchdog helps recover from hangs or failure to boot an OS. It can
also be used by the sysreset framework to intentionally reset the
system. Now that a driver is available, let's enable this functionality
on sunxi boards.

Signed-off-by: Samuel Holland <samuel@sholland.org>
Reviewed-by: Andre Przywara <andre.przywara@arm.com>
Signed-off-by: Andre Przywara <andre.przywara@arm.com>
2021-10-25 14:54:36 +01:00
Samuel Holland
93d34faeda watchdog: Add a driver for the sunxi watchdog
This driver supports the sun4i/sun6i/sun20i watchdog timers.
They have a maximum timeout of 16 seconds.

Signed-off-by: Samuel Holland <samuel@sholland.org>
Signed-off-by: Andre Przywara <andre.przywara@arm.com>
2021-10-25 14:54:26 +01:00
Samuel Holland
e0c628d728 clk: sunxi: Extend DM_RESET selection to SPL
The sunxi clock driver exposes a reset controller, so it selects the
reset controller framework. Ensure that dependency is also satisfied
when building the driver for the SPL.

Signed-off-by: Samuel Holland <samuel@sholland.org>
Reviewed-by: Andre Przywara <andre.przywara@arm.com>
Signed-off-by: Andre Przywara <andre.przywara@arm.com>
2021-10-25 14:54:06 +01:00
Andre Przywara
0ec88323da sunxi: SPL SPI: Allow larger SPL
The more recent Allwinner SoCs BootROMs can actually load SPL images
larger than 32KB. We use this on the H616 to fit the extra code needed
for the PMIC into the image, and have provisions in board.c to respect
that larger SPL size when booting from MMC.

However the sunxi SPL SPI loader has a hardcoded load offset of 32KB,
which will fail on the H616.

To fix this, use the same algorithm we use for MMC: if the SPL size is
smaller than 32KB, we use 32KB, otherwise we expect the U-Boot payload
directly after the SPL code.

This prepares for SPI booting with larger SPLs like on the H616.

Signed-off-by: Andre Przywara <andre.przywara@arm.com>
Reviewed-by: Jagan Teki <jagan@amarulasolutions.com>
2021-10-25 14:48:58 +01:00
Samuel Holland
95d9ffd7b6 power: pmic: axp: Implement poweroff via sysreset
The AXP PMICs have the ability to power off the system. The existing
code for this is duplicated for each PMIC variant, and uses the legacy
non-DM "pmic_bus" interface. When SYSRESET is enabled, this can all be
replaced with a sysreset device using the DM_PMIC interface.

Since the trigger bit is the same on all PMIC variants, use the register
definitions from the oldest supported PMIC.

Signed-off-by: Samuel Holland <samuel@sholland.org>
Reviewed-by: Andre Przywara <andre.przywara@arm.com>
Signed-off-by: Andre Przywara <andre.przywara@arm.com>
2021-10-25 14:51:03 +01:00
Samuel Holland
830e161eb4 power: axp: Avoid do_poweroff conflict with sysreset
The sysreset uclass has an option to provide the do_poweroff() function.
When that option is enabled, the AXP power drivers should not provide
their own definition.

For the AXP305, which is paired with 64-bit systems where TF-A provides
PSCI, there is another possible conflict with the PSCI firmware driver.
This driver can be enabled even if CONFIG_PSCI_RESET is disabled, so
make sure to use the right symbol in the condition.

Signed-off-by: Samuel Holland <samuel@sholland.org>
Reviewed-by: Andre Przywara <andre.przywara@arm.com>
Signed-off-by: Andre Przywara <andre.przywara@arm.com>
2021-10-25 14:50:54 +01:00
Samuel Holland
344df3ca2c include: axp_pmic: Include headers for all variants
A single DM-based driver should be able to support some feature for
several PMIC variants where the interface is the same. For example,
all PMIC variants use the same register bit to trigger poweroff.

However, currently only definitions for a single PMIC are available at
a time. This requires drivers to use #ifdefs and different indentifiers
for each variant they support.

Let's simplify this by making register definitions for all variants
available from the header. Then no preprocessor conditions are needed;
the driver can use the register definition from any variant that
supports the relevant feature.

An exception is the GPIO-related definitions, which do not use unique
identifiers. So for now, keep them like before. They will be cleaned up
along with the GPIO driver.

Signed-off-by: Samuel Holland <samuel@sholland.org>
Reviewed-by: Andre Przywara <andre.przywara@arm.com>
Signed-off-by: Andre Przywara <andre.przywara@arm.com>
2021-10-25 14:50:42 +01:00