As the get_otp() helper function in bsec are common for all STM32MP family,
move this function in bsec driver
Signed-off-by: Patrick Delaunay <patrick.delau...@foss.st.com>
Reviewed-by: Patrice Chotard <patrice.chot...@foss.st.com>
---
(no changes since v1)
arch/arm/mach-stm32mp/bsec.c | 17 +++++++++++++++++
arch/arm/mach-stm32mp/cpu.c | 17 -----------------
arch/arm/mach-stm32mp/include/mach/sys_proto.h | 3 +++
3 files changed, 20 insertions(+), 17 deletions(-)
diff --git a/arch/arm/mach-stm32mp/bsec.c b/arch/arm/mach-stm32mp/bsec.c
index 506caa0a31..c00130b08b 100644
--- a/arch/arm/mach-stm32mp/bsec.c
+++ b/arch/arm/mach-stm32mp/bsec.c
@@ -632,3 +632,20 @@ bool bsec_dbgswenable(void)
return false;
}
+
+u32 get_otp(int index, int shift, int mask)
+{
+ int ret;
+ struct udevice *dev;
+ u32 otp = 0;
+
+ ret = uclass_get_device_by_driver(UCLASS_MISC,
+ DM_DRIVER_GET(stm32mp_bsec),
+ &dev);
+
+ if (!ret)
+ ret = misc_read(dev, STM32_BSEC_SHADOW(index),
+ &otp, sizeof(otp));
+
+ return (otp >> shift) & mask;
+}
diff --git a/arch/arm/mach-stm32mp/cpu.c b/arch/arm/mach-stm32mp/cpu.c
index 0ad5f307db..6f44c75515 100644
--- a/arch/arm/mach-stm32mp/cpu.c
+++ b/arch/arm/mach-stm32mp/cpu.c
@@ -349,23 +349,6 @@ u32 get_cpu_rev(void)
return (read_idc() & DBGMCU_IDC_REV_ID_MASK) >> DBGMCU_IDC_REV_ID_SHIFT;
}
-static u32 get_otp(int index, int shift, int mask)
-{
- int ret;
- struct udevice *dev;
- u32 otp = 0;
-
- ret = uclass_get_device_by_driver(UCLASS_MISC,
- DM_DRIVER_GET(stm32mp_bsec),
- &dev);
-
- if (!ret)
- ret = misc_read(dev, STM32_BSEC_SHADOW(index),
- &otp, sizeof(otp));
-
- return (otp >> shift) & mask;
-}
-
/* Get Device Part Number (RPN) from OTP */
static u32 get_cpu_rpn(void)
{
diff --git a/arch/arm/mach-stm32mp/include/mach/sys_proto.h
b/arch/arm/mach-stm32mp/include/mach/sys_proto.h
index b91f98eb45..dc98f0c5a4 100644
--- a/arch/arm/mach-stm32mp/include/mach/sys_proto.h
+++ b/arch/arm/mach-stm32mp/include/mach/sys_proto.h
@@ -52,3 +52,6 @@ int setup_mac_address(void);
/* board power management : configure vddcore according OPP */
void board_vddcore_init(u32 voltage_mv);
+
+/* helper function: read data from OTP */
+u32 get_otp(int index, int shift, int mask);
--
2.25.1
