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arm: Introduce new CONFIG_SPL_SYS_NO_VECTOR_TABLE option

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Move OMAP4 specific option for disabling overwriting vector table into
config option CONFIG_SPL_SYS_NO_VECTOR_TABLE.

Signed-off-by: Pali Rohár <pali@kernel.org>
This commit is contained in:
Pali Rohár 2022-04-06 16:20:18 +02:00 committed by Stefan Roese
parent a339d6c464
commit 372779abc3
3 changed files with 6 additions and 3 deletions
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4
arch/arm/Kconfig
View File

@ -57,6 +57,10 @@ config SYS_INIT_SP_BSS_OFFSET
that the early malloc region, global data (gd), and early stack usage
do not overlap any appended DTB.
config SPL_SYS_NO_VECTOR_TABLE
depends on SPL
bool
config LINUX_KERNEL_IMAGE_HEADER
depends on ARM64
bool

4
arch/arm/cpu/armv7/start.S
View File

@ -97,12 +97,10 @@ switch_to_hypervisor_ret:
orr r0, r0, #0xc0 @ disable FIQ and IRQ
msr cpsr,r0
#if !CONFIG_IS_ENABLED(SYS_NO_VECTOR_TABLE)
/*
* Setup vector:
* (OMAP4 spl TEXT_BASE is not 32 byte aligned.
* Continue to use ROM code vector only in OMAP4 spl)
*/
#if !(defined(CONFIG_OMAP44XX) && defined(CONFIG_SPL_BUILD))
/* Set V=0 in CP15 SCTLR register - for VBAR to point to vector */
mrc p15, 0, r0, c1, c0, 0 @ Read CP15 SCTLR Register
bic r0, #CR_V @ V = 0

1
arch/arm/mach-omap2/Kconfig
View File

@ -32,6 +32,7 @@ config OMAP34XX
config OMAP44XX
bool "OMAP44XX SoC"
select SPL_USE_TINY_PRINTF
select SPL_SYS_NO_VECTOR_TABLE if SPL
imply NAND_OMAP_ELM
imply NAND_OMAP_GPMC
imply SPL_DISPLAY_PRINT