History log of /u-boot/arch/arm/lib/save_prev_bl_data.c
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# d678a59d 18-May-2024 Tom Rini <trini@konsulko.com>

Revert "Merge patch series "arm: dts: am62-beagleplay: Fix Beagleplay Ethernet""

When bringing in the series 'arm: dts: am62-beagleplay: Fix Beagleplay
Ethernet"' I failed to notice that b4 noticed it was based on next and
so took that as the base commit and merged that part of next to master.

This reverts commit c8ffd1356d42223cbb8c86280a083cc3c93e6426, reversing
changes made to 2ee6f3a5f7550de3599faef9704e166e5dcace35.

Reported-by: Jonas Karlman <jonas@kwiboo.se>
Signed-off-by: Tom Rini <trini@konsulko.com>

# 7410cde6 30-Apr-2024 Tom Rini <trini@konsulko.com>

arm: Remove <common.h> and add needed includes

Remove <common.h> from the remainder of the files under arch/arm and
when needed add missing include files directly.

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

# ca84ba63 26-Feb-2024 Caleb Connolly <caleb.connolly@linaro.org>

arm: init: export prev_bl_fdt_addr

When booting U-Boot on board with a locked down first-stage bootloader,
we emulate the Linux boot header. By passing the U-Boot FDT through this
first-stage bootloader and retrieving it afterwards we can pre-populate
the memory nodes and other info like the KASLR address.

Add a function to export the FDT addr so that boards can use it over the
built-in FDT.

Don't check is_addr_accessible() here because we might not yet have a
valid mem_map if it's going to be populated from the FDT, let the board
do their own validation instead.

Reviewed-by: Tom Rini <trini@konsulko.com>
Reviewed-by: Sumit Garg <sumit.garg@linaro.org>
Tested-by: Sumit Garg <sumit.garg@linaro.org> #qcs404
Signed-off-by: Caleb Connolly <caleb.connolly@linaro.org>

# 4c776089 05-Feb-2023 Simon Glass <sjg@chromium.org>

Correct SPL uses of SAVE_PREV_BL_INITRAMFS_START_ADDR

This converts 2 usages of this option to the non-SPL form, since there is
no SPL_SAVE_PREV_BL_INITRAMFS_START_ADDR defined in Kconfig

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

# 10f8bc09 05-Feb-2023 Simon Glass <sjg@chromium.org>

Correct SPL uses of SAVE_PREV_BL_FDT_ADDR

This converts 2 usages of this option to the non-SPL form, since there is
no SPL_SAVE_PREV_BL_FDT_ADDR defined in Kconfig

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

# 12a3e1ad 22-Feb-2022 Dzmitry Sankouski <dsankouski@gmail.com>

arm: init: save previous bootloader data

When u-boot is used as a chain-loaded bootloader (replacing OS kernel),
previous bootloader leaves data in RAM, that can be reused.

For example, on recent arm linux system, when chainloading u-boot,
there are initramfs and fdt in RAM prepared for OS booting. Initramfs
may be modified to store u-boot's payload, thus providing the ability to
use chainloaded u-boot to boot OS without any storage support.

Two config options added:
- SAVE_PREV_BL_INITRAMFS_START_ADDR
saves initramfs start address to 'prevbl_initrd_start_addr' environment
variable
- SAVE_PREV_BL_FDT_ADDR
saves fdt address to 'prevbl_fdt_addr' environment variable

Signed-off-by: Dzmitry Sankouski <dsankouski@gmail.com>
Cc: Tom Rini <trini@konsulko.com>

# 7410cde6 30-Apr-2024 Tom Rini <trini@konsulko.com>

arm: Remove <common.h> and add needed includes

Remove <common.h> from the remainder of the files under arch/arm and
when needed add missing include files directly.

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

# ca84ba63 26-Feb-2024 Caleb Connolly <caleb.connolly@linaro.org>

arm: init: export prev_bl_fdt_addr

When booting U-Boot on board with a locked down first-stage bootloader,
we emulate the Linux boot header. By passing the U-Boot FDT through this
first-stage bootloader and retrieving it afterwards we can pre-populate
the memory nodes and other info like the KASLR address.

Add a function to export the FDT addr so that boards can use it over the
built-in FDT.

Don't check is_addr_accessible() here because we might not yet have a
valid mem_map if it's going to be populated from the FDT, let the board
do their own validation instead.

Reviewed-by: Tom Rini <trini@konsulko.com>
Reviewed-by: Sumit Garg <sumit.garg@linaro.org>
Tested-by: Sumit Garg <sumit.garg@linaro.org> #qcs404
Signed-off-by: Caleb Connolly <caleb.connolly@linaro.org>

# 4c776089 05-Feb-2023 Simon Glass <sjg@chromium.org>

Correct SPL uses of SAVE_PREV_BL_INITRAMFS_START_ADDR

This converts 2 usages of this option to the non-SPL form, since there is
no SPL_SAVE_PREV_BL_INITRAMFS_START_ADDR defined in Kconfig

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

# 10f8bc09 05-Feb-2023 Simon Glass <sjg@chromium.org>

Correct SPL uses of SAVE_PREV_BL_FDT_ADDR

This converts 2 usages of this option to the non-SPL form, since there is
no SPL_SAVE_PREV_BL_FDT_ADDR defined in Kconfig

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

# 12a3e1ad 22-Feb-2022 Dzmitry Sankouski <dsankouski@gmail.com>

arm: init: save previous bootloader data

When u-boot is used as a chain-loaded bootloader (replacing OS kernel),
previous bootloader leaves data in RAM, that can be reused.

For example, on recent arm linux system, when chainloading u-boot,
there are initramfs and fdt in RAM prepared for OS booting. Initramfs
may be modified to store u-boot's payload, thus providing the ability to
use chainloaded u-boot to boot OS without any storage support.

Two config options added:
- SAVE_PREV_BL_INITRAMFS_START_ADDR
saves initramfs start address to 'prevbl_initrd_start_addr' environment
variable
- SAVE_PREV_BL_FDT_ADDR
saves fdt address to 'prevbl_fdt_addr' environment variable

Signed-off-by: Dzmitry Sankouski <dsankouski@gmail.com>
Cc: Tom Rini <trini@konsulko.com>

# ca84ba63 26-Feb-2024 Caleb Connolly <caleb.connolly@linaro.org>

arm: init: export prev_bl_fdt_addr

When booting U-Boot on board with a locked down first-stage bootloader,
we emulate the Linux boot header. By passing the U-Boot FDT through this
first-stage bootloader and retrieving it afterwards we can pre-populate
the memory nodes and other info like the KASLR address.

Add a function to export the FDT addr so that boards can use it over the
built-in FDT.

Don't check is_addr_accessible() here because we might not yet have a
valid mem_map if it's going to be populated from the FDT, let the board
do their own validation instead.

Reviewed-by: Tom Rini <trini@konsulko.com>
Reviewed-by: Sumit Garg <sumit.garg@linaro.org>
Tested-by: Sumit Garg <sumit.garg@linaro.org> #qcs404
Signed-off-by: Caleb Connolly <caleb.connolly@linaro.org>

# 4c776089 05-Feb-2023 Simon Glass <sjg@chromium.org>

Correct SPL uses of SAVE_PREV_BL_INITRAMFS_START_ADDR

This converts 2 usages of this option to the non-SPL form, since there is
no SPL_SAVE_PREV_BL_INITRAMFS_START_ADDR defined in Kconfig

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

# 10f8bc09 05-Feb-2023 Simon Glass <sjg@chromium.org>

Correct SPL uses of SAVE_PREV_BL_FDT_ADDR

This converts 2 usages of this option to the non-SPL form, since there is
no SPL_SAVE_PREV_BL_FDT_ADDR defined in Kconfig

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

# 12a3e1ad 22-Feb-2022 Dzmitry Sankouski <dsankouski@gmail.com>

arm: init: save previous bootloader data

When u-boot is used as a chain-loaded bootloader (replacing OS kernel),
previous bootloader leaves data in RAM, that can be reused.

For example, on recent arm linux system, when chainloading u-boot,
there are initramfs and fdt in RAM prepared for OS booting. Initramfs
may be modified to store u-boot's payload, thus providing the ability to
use chainloaded u-boot to boot OS without any storage support.

Two config options added:
- SAVE_PREV_BL_INITRAMFS_START_ADDR
saves initramfs start address to 'prevbl_initrd_start_addr' environment
variable
- SAVE_PREV_BL_FDT_ADDR
saves fdt address to 'prevbl_fdt_addr' environment variable

Signed-off-by: Dzmitry Sankouski <dsankouski@gmail.com>
Cc: Tom Rini <trini@konsulko.com>

# 4c776089 05-Feb-2023 Simon Glass <sjg@chromium.org>

Correct SPL uses of SAVE_PREV_BL_INITRAMFS_START_ADDR

This converts 2 usages of this option to the non-SPL form, since there is
no SPL_SAVE_PREV_BL_INITRAMFS_START_ADDR defined in Kconfig

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

# 10f8bc09 05-Feb-2023 Simon Glass <sjg@chromium.org>

Correct SPL uses of SAVE_PREV_BL_FDT_ADDR

This converts 2 usages of this option to the non-SPL form, since there is
no SPL_SAVE_PREV_BL_FDT_ADDR defined in Kconfig

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

# 12a3e1ad 22-Feb-2022 Dzmitry Sankouski <dsankouski@gmail.com>

arm: init: save previous bootloader data

When u-boot is used as a chain-loaded bootloader (replacing OS kernel),
previous bootloader leaves data in RAM, that can be reused.

For example, on recent arm linux system, when chainloading u-boot,
there are initramfs and fdt in RAM prepared for OS booting. Initramfs
may be modified to store u-boot's payload, thus providing the ability to
use chainloaded u-boot to boot OS without any storage support.

Two config options added:
- SAVE_PREV_BL_INITRAMFS_START_ADDR
saves initramfs start address to 'prevbl_initrd_start_addr' environment
variable
- SAVE_PREV_BL_FDT_ADDR
saves fdt address to 'prevbl_fdt_addr' environment variable

Signed-off-by: Dzmitry Sankouski <dsankouski@gmail.com>
Cc: Tom Rini <trini@konsulko.com>

# 12a3e1ad 22-Feb-2022 Dzmitry Sankouski <dsankouski@gmail.com>

arm: init: save previous bootloader data

When u-boot is used as a chain-loaded bootloader (replacing OS kernel),
previous bootloader leaves data in RAM, that can be reused.

For example, on recent arm linux system, when chainloading u-boot,
there are initramfs and fdt in RAM prepared for OS booting. Initramfs
may be modified to store u-boot's payload, thus providing the ability to
use chainloaded u-boot to boot OS without any storage support.

Two config options added:
- SAVE_PREV_BL_INITRAMFS_START_ADDR
saves initramfs start address to 'prevbl_initrd_start_addr' environment
variable
- SAVE_PREV_BL_FDT_ADDR
saves fdt address to 'prevbl_fdt_addr' environment variable

Signed-off-by: Dzmitry Sankouski <dsankouski@gmail.com>
Cc: Tom Rini <trini@konsulko.com>