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4339e85794
Leaving no empty space in the FDT passed to the next booting stage
causes the following U-Boot crash on Ventana internal platforms:
Unhandled exception: Load access fault
EPC: 00000000fffa6372 RA: 00000000fffa7418 TVAL: 0001746174730068
EPC: 0000000080245372 RA: 0000000080246418 reloc adjusted
SP: 00000000fef38440 GP: 00000000fef40e60 TP: 0000000000000000
T0: 00000000fef40a70 T1: 000000000000ff00 T2: 0000000000000000
S0: 00000000fffc17a8 S1: 00000000fef38d40 A0: 7375746174730068
A1: 00000000fffc17a8 A2: 0000000000000010 A3: 0000000000000010
A4: 0000000000000000 A5: 00000000fffc17b8 A6: 0000000000ff0000
A7: 000000000000b100 S2: 0000000000000000 S3: 0000000000000001
S4: 00000000fef38d40 S5: 7375746174730068 S6: 0000000000000000
S7: 00000000fef4eef0 S8: 00000000fef4ef90 S9: 0000000000000000
S10: 0000000000000000 S11: 00000000fef4efc0 T3: 00000000fef40ea8
T4: 0000000000ff0000 T5: 00000000fef40a60 T6: 00000000fef40a6c
To address the above issue, keep some minimal empty space in the
FDT instead of no empty space.
Fixes: bbe9a23060 ("platform: generic: Pack the FDT after applying fixups")
Signed-off-by: Anup Patel <apatel@ventanamicro.com>
Link: https://lore.kernel.org/r/20251209053130.407935-1-apatel@ventanamicro.com
Signed-off-by: Anup Patel <anup@brainfault.org>
104 lines
1.9 KiB
Plaintext
104 lines
1.9 KiB
Plaintext
# SPDX-License-Identifier: BSD-2-Clause
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config PLATFORM_GENERIC
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bool
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select FDT
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select FDT_DOMAIN
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select FDT_PMU
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default y
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if PLATFORM_GENERIC
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config PLATFORM_GENERIC_NAME
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string "Platform default name"
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default "Generic"
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config PLATFORM_GENERIC_MAJOR_VER
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int "Platform major version"
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range 0 65535
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default 0
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config PLATFORM_GENERIC_MINOR_VER
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int "Platform minor version"
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range 0 65535
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default 1
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config PLATFORM_GENERIC_FDT_EMPTY_SPACE
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int "Platform FDT empty space (KB)"
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range 0 1024
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default 4
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config PLATFORM_ALLWINNER_D1
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bool "Allwinner D1 support"
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depends on FDT_IRQCHIP_PLIC
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select THEAD_C9XX_PMU
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default n
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config PLATFORM_ANDES_AE350
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bool "Andes AE350 support"
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select SYS_ATCSMU
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select ANDES_PMU
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select ANDES_PMA
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default n
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config PLATFORM_ANDES_QILAI
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bool "Andes QiLai support"
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select ANDES_PMU
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select ANDES_PMA
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select ANDES_SBI
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default n
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config PLATFORM_OPENHWGROUP_OPENPITON
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bool "OpenHWGroup Openpiton support"
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default n
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config PLATFORM_OPENHWGROUP_ARIANE
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bool "OpenHWGroup Ariane support"
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default n
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config PLATFORM_RENESAS_RZFIVE
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bool "Renesas RZ/Five support"
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select ANDES_PMA
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select ANDES_SBI
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select ANDES_PMU
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default n
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config PLATFORM_SIFIVE_FU540
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bool "SiFive FU540 support"
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default n
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config PLATFORM_SIFIVE_FU740
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bool "SiFive FU740 support"
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depends on FDT_RESET && FDT_I2C
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default n
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config PLATFORM_SOPHGO_SG2042
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bool "Sophgo sg2042 support"
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select THEAD_C9XX_ERRATA
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select THEAD_C9XX_PMU
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default n
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config PLATFORM_STARFIVE_JH7110
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bool "StarFive JH7110 support"
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default n
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config PLATFORM_THEAD
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bool "THEAD C9xx support"
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select THEAD_C9XX_ERRATA
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select THEAD_C9XX_PMU
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default n
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config PLATFORM_MIPS_P8700
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bool "MIPS P8700 support"
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default n
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config PLATFORM_SPACEMIT_K1
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bool "Spacemit K1 support"
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select FDT_HSM_SPACEMIT
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default n
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source "$(OPENSBI_SRC_DIR)/platform/generic/andes/Kconfig"
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source "$(OPENSBI_SRC_DIR)/platform/generic/thead/Kconfig"
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endif
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