diff options
| author | Patrick Delaunay <patrick.delaunay@foss.st.com> | 2022-05-20 18:24:41 +0200 |
|---|---|---|
| committer | Patrick Delaunay <patrick.delaunay@foss.st.com> | 2022-06-17 09:58:21 +0200 |
| commit | 3865a7ec9523122c4932d8e8d4b406d60884e8ae (patch) | |
| tree | 4a3c9d4f0a36d667095d4d3101b293cb85ed8bdc /arch/arm/mach-stm32mp | |
| parent | 2ff0866b45e8069753b8f962e5018ddcdfd7b966 (diff) | |
arm: stm32mp: move the get_otp helper function in bsec
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.delaunay@foss.st.com>
Reviewed-by: Patrice Chotard <patrice.chotard@foss.st.com>
Diffstat (limited to 'arch/arm/mach-stm32mp')
| -rw-r--r-- | arch/arm/mach-stm32mp/bsec.c | 17 | ||||
| -rw-r--r-- | arch/arm/mach-stm32mp/cpu.c | 17 | ||||
| -rw-r--r-- | 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); |