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arm64: renesas: Add Renesas R-Car Gen4 SCIF/HSCIF loader SREC generation

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Add Renesas R-Car Gen4 SCIF/HSCIF loader compatible SREC generation.
This is a regular U-Boot SPL SREC augmented with a short header which
describes where to store the received data and how much data to store.
This header is interpreted by the R-Car Gen4 BootROM SCIF/HSCIF loader.

Signed-off-by: Marek Vasut <marek.vasut+renesas@mailbox.org>
This commit is contained in:
Marek Vasut 2025-06-15 12:51:08 +02:00
parent f85d97b26c
commit 26758c24b9
2 changed files with 11 additions and 1 deletions
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10
arch/arm/mach-renesas/Makefile
View File

@ -34,6 +34,15 @@ else
srec_cat_le_cmd := "-l-e-constant" srec_cat_le_cmd := "-l-e-constant"
endif endif
ifneq ($(CONFIG_RCAR_GEN4),)
quiet_cmd_srec_cat = SRECCAT $@
cmd_srec_cat = srec_cat -output $@ -M 8 $< -M 8 \
-Output_Block_Size 16 \
-generate 0xeb203000 0xeb203154 $(srec_cat_le_cmd) 0x0 4 \
-generate 0xeb203154 0xeb203158 $(srec_cat_le_cmd) $(CONFIG_SPL_TEXT_BASE) 4 \
-generate 0xeb203158 0xeb203264 $(srec_cat_le_cmd) 0x0 4 \
-generate 0xeb203264 0xeb203268 $(srec_cat_le_cmd) $$(( ( $2 + 4 ) / 4 )) 4
else
ifneq ($(CONFIG_R8A774C0)$(CONFIG_R8A77990)$(CONFIG_R8A77995),) ifneq ($(CONFIG_R8A774C0)$(CONFIG_R8A77990)$(CONFIG_R8A77995),)
# #
# The first 6 generate statements generate the R-Car Gen3 SCIF loader header. # The first 6 generate statements generate the R-Car Gen3 SCIF loader header.
@ -90,6 +99,7 @@ quiet_cmd_srec_cat = SRECCAT $@
-generate 0xe6301154 0xe6301158 $(srec_cat_le_cmd) $(CONFIG_SPL_TEXT_BASE) 4 \ -generate 0xe6301154 0xe6301158 $(srec_cat_le_cmd) $(CONFIG_SPL_TEXT_BASE) 4 \
-generate 0xe6301264 0xe6301268 $(srec_cat_le_cmd) $2 4 -generate 0xe6301264 0xe6301268 $(srec_cat_le_cmd) $2 4
endif endif
endif
spl/u-boot-spl.scif: spl/u-boot-spl.srec spl/u-boot-spl.bin spl/u-boot-spl.scif: spl/u-boot-spl.srec spl/u-boot-spl.bin
$(call cmd,srec_cat,$(shell wc -c spl/u-boot-spl.bin | awk '{printf("0x%08x\n",$$1)}')) $(call cmd,srec_cat,$(shell wc -c spl/u-boot-spl.bin | awk '{printf("0x%08x\n",$$1)}'))

2
common/spl/Kconfig
View File

@ -1598,7 +1598,7 @@ config SPL_OPENSBI_SCRATCH_OPTIONS
config SPL_TARGET config SPL_TARGET
string "Addtional build targets for 'make'" string "Addtional build targets for 'make'"
default "spl/u-boot-spl.srec" if RCAR_GEN2 default "spl/u-boot-spl.srec" if RCAR_GEN2
default "spl/u-boot-spl.scif" if RCAR_GEN3 default "spl/u-boot-spl.scif" if RCAR_64
default "" default ""
help help
On some platforms we need to have 'make' run additional build target On some platforms we need to have 'make' run additional build target