diff options
Diffstat (limited to 'arch/arm/mach-stm32mp/ecdsa_romapi.c')
| -rw-r--r-- | arch/arm/mach-stm32mp/ecdsa_romapi.c | 24 |
1 files changed, 6 insertions, 18 deletions
diff --git a/arch/arm/mach-stm32mp/ecdsa_romapi.c b/arch/arm/mach-stm32mp/ecdsa_romapi.c index a2f63ff879f2..12b42b9d59ce 100644 --- a/arch/arm/mach-stm32mp/ecdsa_romapi.c +++ b/arch/arm/mach-stm32mp/ecdsa_romapi.c @@ -24,26 +24,10 @@ struct ecdsa_rom_api { uint32_t ecc_algo); }; -/* - * Without forcing the ".data" section, this would get saved in ".bss". BSS - * will be cleared soon after, so it's not suitable. - */ -static uintptr_t rom_api_loc __section(".data"); - -/* - * The ROM gives us the API location in r0 when starting. This is only available - * during SPL, as there isn't (yet) a mechanism to pass this on to u-boot. - */ -void save_boot_params(unsigned long r0, unsigned long r1, unsigned long r2, - unsigned long r3) -{ - rom_api_loc = r0; - save_boot_params_ret(); -} - static void stm32mp_rom_get_ecdsa_functions(struct ecdsa_rom_api *rom) { - uintptr_t verify_ptr = rom_api_loc + ROM_API_OFFSET_ECDSA_VERIFY; + uintptr_t verify_ptr = get_stm32mp_rom_api_table() + + ROM_API_OFFSET_ECDSA_VERIFY; rom->ecdsa_verify_signature = *(void **)verify_ptr; } @@ -81,6 +65,10 @@ static int romapi_ecdsa_verify(struct udevice *dev, memcpy(raw_key + 32, pubkey->y, 32); stm32mp_rom_get_ecdsa_functions(&rom); + + /* Mark BootROM region as executable. */ + mmu_set_region_dcache_behaviour(0, SZ_2M, DCACHE_DEFAULT_OPTION); + rom_ret = rom.ecdsa_verify_signature(hash, raw_key, signature, algo); return rom_ret == ROM_API_SUCCESS ? 0 : -EPERM; |