
Hi,
On 6/19/24 08:35, Patrice CHOTARD wrote:
On 6/19/24 00:57, Marek Vasut wrote:
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
Cc: Patrice Chotard patrice.chotard@foss.st.com Cc: Patrick Delaunay patrick.delaunay@foss.st.com Cc: Tom Rini trini@konsulko.com Cc: u-boot@lists.denx.de Cc: uboot-stm32@st-md-mailman.stormreply.com
arch/arm/mach-stm32mp/stm32mp1/stm32mp15x.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/arch/arm/mach-stm32mp/stm32mp1/stm32mp15x.c b/arch/arm/mach-stm32mp/stm32mp1/stm32mp15x.c index f096fe538d8..ca202bec8ee 100644 --- a/arch/arm/mach-stm32mp/stm32mp1/stm32mp15x.c +++ b/arch/arm/mach-stm32mp/stm32mp1/stm32mp15x.c @@ -148,8 +148,8 @@ static void security_init(void) */ 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);
Reviewed-by: Patrice Chotard patrice.chotard@foss.st.com
Thanks Patrice
Applied to u-boot-stm/master, thanks!
Regards Patrick