Add defines for value used in stm32key for BSEC permanent lock status and error.
This patch is a preliminary step to support more lock status in BSEC driver. Signed-off-by: Patrick Delaunay <[email protected]> --- arch/arm/mach-stm32mp/cmd_stm32key.c | 15 +++++++++------ 1 file changed, 9 insertions(+), 6 deletions(-) diff --git a/arch/arm/mach-stm32mp/cmd_stm32key.c b/arch/arm/mach-stm32mp/cmd_stm32key.c index 68f28922d1e..1899d91ecb5 100644 --- a/arch/arm/mach-stm32mp/cmd_stm32key.c +++ b/arch/arm/mach-stm32mp/cmd_stm32key.c @@ -19,6 +19,9 @@ #define STM32_OTP_HASH_KEY_START 24 #define STM32_OTP_HASH_KEY_SIZE 8 +#define BSEC_LOCK_ERROR (-1) +#define BSEC_LOCK_PERM BIT(0) + static int get_misc_dev(struct udevice **dev) { int ret; @@ -60,14 +63,14 @@ static int read_hash_otp(bool print, bool *locked, bool *closed) val = ~0x0; ret = misc_read(dev, STM32_BSEC_LOCK(word), &lock, 4); if (ret != 4) - lock = -1; + lock = BSEC_LOCK_ERROR; if (print) - printf("OTP HASH %i: %x lock : %d\n", word, val, lock); + printf("OTP HASH %i: %x lock : %x\n", word, val, lock); if (val == ~0x0) nb_invalid++; else if (val == 0x0) nb_zero++; - if (lock == 1) + if (lock & BSEC_LOCK_PERM) nb_lock++; } @@ -77,13 +80,13 @@ static int read_hash_otp(bool print, bool *locked, bool *closed) val = 0x0; ret = misc_read(dev, STM32_BSEC_LOCK(word), &lock, 4); if (ret != 4) - lock = -1; + lock = BSEC_LOCK_ERROR; status = (val & STM32_OTP_CLOSE_MASK) == STM32_OTP_CLOSE_MASK; if (closed) *closed = status; if (print) - printf("OTP %d: closed status: %d lock : %d\n", word, status, lock); + printf("OTP %d: closed status: %d lock : %x\n", word, status, lock); status = (nb_lock == STM32_OTP_HASH_KEY_SIZE); if (locked) @@ -128,7 +131,7 @@ static int fuse_hash_value(u32 addr, bool print) return ret; } /* on success, lock the OTP for HASH key */ - val = 1; + val = BSEC_LOCK_PERM; ret = misc_write(dev, STM32_BSEC_LOCK(word), &val, 4); if (ret != 4) { log_err("Lock OTP %i failed\n", word); -- 2.25.1
