ARM: stm32: Fix TAMP_SMCR BKP..PROT fields on STM32MP15xx
Update the TAMP_SMCR BKP..PROT fields to put first 10 registers
into protection zone 1 and next 5 into zone 2. This fixes use of
boot counter which is often in zone 3 and has to be updated from
Linux, which runs in NS.
Fixes: 73f7fc944cf6 ("ARM: stm32: Initialize TAMP_SMCR BKP..PROT fields on STM32MP15xx")
Signed-off-by: Marek Vasut <marex@denx.de>
Reviewed-by: Patrice Chotard <patrice.chotard@foss.st.com>
diff --git a/arch/arm/mach-stm32mp/stm32mp1/stm32mp15x.c b/arch/arm/mach-stm32mp/stm32mp1/stm32mp15x.c
index f096fe5..ca202be 100644
--- a/arch/arm/mach-stm32mp/stm32mp1/stm32mp15x.c
+++ b/arch/arm/mach-stm32mp/stm32mp1/stm32mp15x.c
@@ -148,8 +148,8 @@
*/
clrsetbits_le32(TAMP_SMCR,
TAMP_SMCR_BKPRWDPROT | TAMP_SMCR_BKPWDPROT,
- FIELD_PREP(TAMP_SMCR_BKPRWDPROT, 0x20) |
- FIELD_PREP(TAMP_SMCR_BKPWDPROT, 0x20));
+ FIELD_PREP(TAMP_SMCR_BKPRWDPROT, 0x0A) |
+ FIELD_PREP(TAMP_SMCR_BKPWDPROT, 0x0F));
/* GPIOZ: deactivate the security */
writel(BIT(0), RCC_MP_AHB5ENSETR);