| Message ID | 20230110105650.54580-2-avromanov@sberdevices.ru |
|---|---|
| State | Accepted |
| Commit | 12d782734927818b9d2f197e3905410632b01fcc |
| Delegated to: | Neil Armstrong |
| Headers | show |
| Series | arch-meson: introduce efusedump command | expand |
On Tue, Jan 10, 2023 at 13:56, Alexey Romanov <avromanov@sberdevices.ru> wrote: > This function can be used by other modules. Also add comments. > > Signed-off-by: Alexey Romanov <avromanov@sberdevices.ru> > Reviewed-by: Neil Armstrong <neil.armstrong@linaro.org> Reviewed-by: Mattijs Korpershoek <mkorpershoek@baylibre.com> > --- > arch/arm/include/asm/arch-meson/sm.h | 28 ++++++++++++++++++++++++++++ > 1 file changed, 28 insertions(+) > > diff --git a/arch/arm/include/asm/arch-meson/sm.h b/arch/arm/include/asm/arch-meson/sm.h > index f3ae46a6d6b..53b75176493 100644 > --- a/arch/arm/include/asm/arch-meson/sm.h > +++ b/arch/arm/include/asm/arch-meson/sm.h > @@ -6,10 +6,35 @@ > #ifndef __MESON_SM_H__ > #define __MESON_SM_H__ > > +/** > + * meson_sm_read_efuse - read efuse memory into buffer > + * > + * @offset: offset from the start efuse memory > + * @buffer: pointer to buffer > + * @size: number of bytes to read > + * @return: number of bytes read > + */ > ssize_t meson_sm_read_efuse(uintptr_t offset, void *buffer, size_t size); > > +/** > + * meson_sm_write_efuse - write into efuse memory from buffer > + * > + * @offset: offset from the start efuse memory > + * @buffer: pointer to buffer > + * @size: number of bytes to write > + * @return: number of bytes written > + */ > +ssize_t meson_sm_write_efuse(uintptr_t offset, void *buffer, size_t size); > + > #define SM_SERIAL_SIZE 12 > > +/** > + * meson_sm_get_serial - read chip unique id into buffer > + * > + * @buffer: pointer to buffer > + * @size: buffer size. > + * @return: zero on success or -errno on failure > + */ > int meson_sm_get_serial(void *buffer, size_t size); > > enum { > @@ -28,6 +53,9 @@ enum { > REBOOT_REASON_WATCHDOG_REBOOT = 13, > }; > > +/** > + * meson_sm_get_reboot_reason - get reboot reason > + */ > int meson_sm_get_reboot_reason(void); > > #endif /* __MESON_SM_H__ */ > -- > 2.25.1
diff --git a/arch/arm/include/asm/arch-meson/sm.h b/arch/arm/include/asm/arch-meson/sm.h index f3ae46a6d6b..53b75176493 100644 --- a/arch/arm/include/asm/arch-meson/sm.h +++ b/arch/arm/include/asm/arch-meson/sm.h @@ -6,10 +6,35 @@ #ifndef __MESON_SM_H__ #define __MESON_SM_H__ +/** + * meson_sm_read_efuse - read efuse memory into buffer + * + * @offset: offset from the start efuse memory + * @buffer: pointer to buffer + * @size: number of bytes to read + * @return: number of bytes read + */ ssize_t meson_sm_read_efuse(uintptr_t offset, void *buffer, size_t size); +/** + * meson_sm_write_efuse - write into efuse memory from buffer + * + * @offset: offset from the start efuse memory + * @buffer: pointer to buffer + * @size: number of bytes to write + * @return: number of bytes written + */ +ssize_t meson_sm_write_efuse(uintptr_t offset, void *buffer, size_t size); + #define SM_SERIAL_SIZE 12 +/** + * meson_sm_get_serial - read chip unique id into buffer + * + * @buffer: pointer to buffer + * @size: buffer size. + * @return: zero on success or -errno on failure + */ int meson_sm_get_serial(void *buffer, size_t size); enum { @@ -28,6 +53,9 @@ enum { REBOOT_REASON_WATCHDOG_REBOOT = 13, }; +/** + * meson_sm_get_reboot_reason - get reboot reason + */ int meson_sm_get_reboot_reason(void); #endif /* __MESON_SM_H__ */