arm: mach-omap2: Pass args to secure ROM in SRAM in SPL
Subsystems (3)
PATCH 1/1 arm: mach-omap2: Pass args to secure ROM in SRAM in SPL
When in early SPL we make some secure ROM calls that can effect DRAM, due to this it is more stable to store the args for these calls in SRAM, but uninitialized and zero'd globals are placed in BSS, located in DRAM. Force our args into the data section which is in SRAM during SPL.
Signed-off-by Andrew F. Davis <[email protected]>
--- arch/arm/mach-omap2/sec-common.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
arch/arm/mach-omap2/sec-common.c +1 -1
@@ -56,7 +56,7 @@ struct ppa_tee_load_info {u32 tee_arg0;/* argument to TEE jump function, in r0 */ }; -static uint32_t secure_rom_call_args[5 ]__aligned(ARCH_DMA_MINALIGN) ; +static uint32_t secure_rom_call_args[5] __aligned(ARCH_DMA_MINALIGN) __section(".data");u32 secure_rom_call (u32 service,u32 proc_id,u32 flag, ...) {
Signature · 1 line
2.15.1
Quoted 7 lines · Andrew F. Davis
When in early SPL we make some secure ROM calls that can effect DRAM, due to this it is more stable to store the args for these calls in SRAM, but uninitialized and zero'd globals are placed in BSS, located in DRAM. Force our args into the data section which is in SRAM during SPL.
Signed-off-by Andrew F. Davis <[email protected]>
Applied to u-boot/master, thanks!
Signature · 8 lines
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