[PATCH v2 08/12] arm: mach-k3: Add weak do_board_detect() to common file

Christian Gmeiner christian.gmeiner at gmail.com
Thu Apr 6 11:26:05 CEST 2023


Am Mi., 5. Apr. 2023 um 22:29 Uhr schrieb Andrew Davis <afd at ti.com>:
>
> On 4/5/23 3:09 PM, Christian Gmeiner wrote:
> > Hi
> >
> >>
> >> This matches how it was done for pre-K3 TI platforms and it allows
> >> us to move the forward declaration out of sys_proto.h.
> >>
> >> It also removes the need for K3_BOARD_DETECT as one is free to simply
> >> override the weak function in their board files as needed.
> >>
> >> Signed-off-by: Andrew Davis <afd at ti.com>
> >> ---
> >>   arch/arm/mach-k3/Kconfig                  |  5 -----
> >>   arch/arm/mach-k3/am642_init.c             |  4 ++--
> >>   arch/arm/mach-k3/am654_init.c             |  4 ++--
> >>   arch/arm/mach-k3/common.c                 | 10 ++++++++++
> >>   arch/arm/mach-k3/common.h                 |  2 ++
> >>   arch/arm/mach-k3/include/mach/sys_proto.h |  2 --
> >>   arch/arm/mach-k3/j721e_init.c             |  8 ++++----
> >>   board/ti/common/Kconfig                   |  1 -
> >>   8 files changed, 20 insertions(+), 16 deletions(-)
> >>
> >> diff --git a/arch/arm/mach-k3/Kconfig b/arch/arm/mach-k3/Kconfig
> >> index 7edbac26ccc..a8c3a593d57 100644
> >> --- a/arch/arm/mach-k3/Kconfig
> >> +++ b/arch/arm/mach-k3/Kconfig
> >> @@ -187,11 +187,6 @@ config K3_X509_SWRV
> >>          help
> >>            SWRV for X509 certificate used for boot images
> >>
> >> -config K3_BOARD_DETECT
> >> -       bool "Support for Board detection"
> >> -       help
> >> -          Support for board detection.
> >> -
> >>   source "board/ti/am65x/Kconfig"
> >>   source "board/ti/am64x/Kconfig"
> >>   source "board/ti/am62x/Kconfig"
> >> diff --git a/arch/arm/mach-k3/am642_init.c b/arch/arm/mach-k3/am642_init.c
> >> index c7720cbaf35..9a34a3f9451 100644
> >> --- a/arch/arm/mach-k3/am642_init.c
> >> +++ b/arch/arm/mach-k3/am642_init.c
> >> @@ -100,8 +100,8 @@ void do_dt_magic(void)
> >>   {
> >>          int ret, rescan;
> >>
> >> -       if (IS_ENABLED(CONFIG_K3_BOARD_DETECT))
> >> -               do_board_detect();
> >> +       /* Perform EEPROM-based board detection */
> >
> > Can we remove that comment as it is not true? I use this to
> > perform an fpga based board detection on a am642 platform.
> >
> > That comment goes for every occurance of that line in this patch.
> >
>
> Sure, I'll drop it if this needs a v3, otherwise I can fix in a follow up.
>

Thanks

>
> >> +       do_board_detect();
> >>
> >>          /*
> >>           * Board detection has been done.
> >> diff --git a/arch/arm/mach-k3/am654_init.c b/arch/arm/mach-k3/am654_init.c
> >> index 12d74635cb0..5a9a780f521 100644
> >> --- a/arch/arm/mach-k3/am654_init.c
> >> +++ b/arch/arm/mach-k3/am654_init.c
> >> @@ -245,8 +245,8 @@ void board_init_f(ulong dummy)
> >>          /* Output System Firmware version info */
> >>          k3_sysfw_print_ver();
> >>
> >> -       if (IS_ENABLED(CONFIG_K3_BOARD_DETECT))
> >> -               do_board_detect();
> >> +       /* Perform EEPROM-based board detection */
> >> +       do_board_detect();
> >>
> >>   #if defined(CONFIG_CPU_V7R) && defined(CONFIG_K3_AVS0)
> >>          ret = uclass_get_device_by_driver(UCLASS_MISC, DM_DRIVER_GET(k3_avs),
> >> diff --git a/arch/arm/mach-k3/common.c b/arch/arm/mach-k3/common.c
> >> index 4f2e14c3105..115f5959734 100644
> >> --- a/arch/arm/mach-k3/common.c
> >> +++ b/arch/arm/mach-k3/common.c
> >> @@ -636,3 +636,13 @@ int misc_init_r(void)
> >>
> >>          return 0;
> >>   }
> >> +
> >> +/**
> >> + * do_board_detect() - Detect board description
> >> + *
> >> + * Function to detect board description. This is expected to be
> >> + * overridden in the SoC family board file where desired.
> >> + */
> >> +void __weak do_board_detect(void)
> >> +{
> >> +}
> >> diff --git a/arch/arm/mach-k3/common.h b/arch/arm/mach-k3/common.h
> >> index 531be0be54c..130f5021123 100644
> >> --- a/arch/arm/mach-k3/common.h
> >> +++ b/arch/arm/mach-k3/common.h
> >> @@ -35,3 +35,5 @@ void mmr_unlock(phys_addr_t base, u32 partition);
> >>   bool is_rom_loaded_sysfw(struct rom_extended_boot_data *data);
> >>   enum k3_device_type get_device_type(void);
> >>   void ti_secure_image_post_process(void **p_image, size_t *p_size);
> >> +struct ti_sci_handle *get_ti_sci_handle(void);
> >> +void do_board_detect(void);
> >> diff --git a/arch/arm/mach-k3/include/mach/sys_proto.h b/arch/arm/mach-k3/include/mach/sys_proto.h
> >> index 8cc75b636b5..939de0f79b4 100644
> >> --- a/arch/arm/mach-k3/include/mach/sys_proto.h
> >> +++ b/arch/arm/mach-k3/include/mach/sys_proto.h
> >> @@ -10,8 +10,6 @@
> >>   void sdelay(unsigned long loops);
> >>   u32 wait_on_value(u32 read_bit_mask, u32 match_value, void *read_addr,
> >>                    u32 bound);
> >> -struct ti_sci_handle *get_ti_sci_handle(void);
> >> -int do_board_detect(void);
> >>   int fdt_disable_node(void *blob, char *node_path);
> >>
> >>   void k3_spl_init(void);
> >> diff --git a/arch/arm/mach-k3/j721e_init.c b/arch/arm/mach-k3/j721e_init.c
> >> index b5a69255f76..3fda2dfaa1b 100644
> >> --- a/arch/arm/mach-k3/j721e_init.c
> >> +++ b/arch/arm/mach-k3/j721e_init.c
> >> @@ -160,8 +160,8 @@ void do_dt_magic(void)
> >>          int ret, rescan, mmc_dev = -1;
> >>          static struct mmc *mmc;
> >>
> >> -       if (IS_ENABLED(CONFIG_K3_BOARD_DETECT))
> >> -               do_board_detect();
> >> +       /* Perform EEPROM-based board detection */
> >> +       do_board_detect();
> >>
> >>          /*
> >>           * Board detection has been done.
> >> @@ -287,8 +287,8 @@ void board_init_f(ulong dummy)
> >>          /* Output System Firmware version info */
> >>          k3_sysfw_print_ver();
> >>
> >> -       if (IS_ENABLED(CONFIG_K3_BOARD_DETECT))
> >> -               do_board_detect();
> >> +       /* Perform EEPROM-based board detection */
> >> +       do_board_detect();
> >>
> >>   #if defined(CONFIG_CPU_V7R) && defined(CONFIG_K3_AVS0)
> >>          ret = uclass_get_device_by_driver(UCLASS_MISC, DM_DRIVER_GET(k3_avs),
> >> diff --git a/board/ti/common/Kconfig b/board/ti/common/Kconfig
> >> index f03357cc751..49edd98014a 100644
> >> --- a/board/ti/common/Kconfig
> >> +++ b/board/ti/common/Kconfig
> >> @@ -1,6 +1,5 @@
> >>   config TI_I2C_BOARD_DETECT
> >>          bool "Support for Board detection for TI platforms"
> >> -       select K3_BOARD_DETECT if ARCH_K3
> >>          help
> >>             Support for detection board information on Texas Instrument's
> >>             Evaluation Boards which have I2C based EEPROM detection
> >> --
> >> 2.39.2
> >>
> >
> >



-- 
greets
--
Christian Gmeiner, MSc

https://christian-gmeiner.info/privacypolicy


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