[U-Boot] [PATCH 1/2] watchdog: Split WDT from SPL_WDT
Lukasz Majewski
lukma at denx.de
Thu Jun 6 08:00:43 UTC 2019
On Thu, 6 Jun 2019 09:26:04 +0200
Marek Vasut <marex at denx.de> wrote:
> On 6/6/19 9:09 AM, Lukasz Majewski wrote:
> > On Wed, 5 Jun 2019 18:24:11 +0200
> > Lukasz Majewski <lukma at denx.de> wrote:
> >
> >> Hi Marek,
> >>
> >>> On Sun, 12 May 2019 23:34:52 +0200
> >>> Marek Vasut <marex at denx.de> wrote:
> >>>
> >>>> Use CONFIG_IS_ENABLED(WDT) to permit use of WDT in SPL without
> >>>> DM, while the full U-Boot can use rich DM/DT WDT driver.
> >>>>
> >>>> Signed-off-by: Marek Vasut <marex at denx.de>
> >>>> Cc: Peng Fan <Peng.Fan at freescale.com>
> >>>> Cc: Stefano Babic <sbabic at denx.de>
> >>>> ---
> >>>> common/board_r.c | 2 +-
> >>>> common/spl/spl.c | 2 +-
> >>>> drivers/watchdog/Makefile | 2 +-
> >>>> include/asm-generic/global_data.h | 2 +-
> >>>> include/wdt.h | 2 +-
> >>>> 5 files changed, 5 insertions(+), 5 deletions(-)
> >>>>
> >>>> diff --git a/common/board_r.c b/common/board_r.c
> >>>> index 150e8cd424..988e40abb2 100644
> >>>> --- a/common/board_r.c
> >>>> +++ b/common/board_r.c
> >>>> @@ -678,7 +678,7 @@ static init_fnc_t init_sequence_r[] = {
> >>>> #ifdef CONFIG_DM
> >>>> initr_dm,
> >>>> #endif
> >>>> -#if defined(CONFIG_WDT)
> >>>> +#if CONFIG_IS_ENABLED(WDT)
> >>>> initr_watchdog,
> >>>> #endif
> >>>> #if defined(CONFIG_ARM) || defined(CONFIG_NDS32) ||
> >>>> defined(CONFIG_RISCV) || \ diff --git a/common/spl/spl.c
> >>>> b/common/spl/spl.c index 0a6a47c202..f22f854718 100644
> >>>> --- a/common/spl/spl.c
> >>>> +++ b/common/spl/spl.c
> >>>> @@ -601,7 +601,7 @@ void board_init_r(gd_t *dummy1, ulong dummy2)
> >>>> spl_board_init();
> >>>> #endif
> >>>>
> >>>> -#if defined(CONFIG_SPL_WATCHDOG_SUPPORT) && defined(CONFIG_WDT)
> >>>> +#if defined(CONFIG_SPL_WATCHDOG_SUPPORT) &&
> >>>> CONFIG_IS_ENABLED(WDT) initr_watchdog();
> >>>> #endif
> >>>>
> >>>> diff --git a/drivers/watchdog/Makefile
> >>>> b/drivers/watchdog/Makefile index 40b2f4bc66..4b94ae988c 100644
> >>>> --- a/drivers/watchdog/Makefile
> >>>> +++ b/drivers/watchdog/Makefile
> >>>> @@ -16,7 +16,7 @@ obj-$(CONFIG_OMAP_WATCHDOG) += omap_wdt.o
> >>>> obj-$(CONFIG_DESIGNWARE_WATCHDOG) += designware_wdt.o
> >>>> obj-$(CONFIG_TANGIER_WATCHDOG) += tangier_wdt.o
> >>>> obj-$(CONFIG_ULP_WATCHDOG) += ulp_wdog.o
> >>>> -obj-$(CONFIG_WDT) += wdt-uclass.o
> >>>> +obj-$(CONFIG_$(SPL_TPL_)WDT) += wdt-uclass.o
> >>>> obj-$(CONFIG_WDT_SANDBOX) += sandbox_wdt.o
> >>>> obj-$(CONFIG_WDT_ARMADA_37XX) += armada-37xx-wdt.o
> >>>> obj-$(CONFIG_WDT_ASPEED) += ast_wdt.o
> >>>> diff --git a/include/asm-generic/global_data.h
> >>>> b/include/asm-generic/global_data.h index 02a3ed6838..7c2220643b
> >>>> 100644 --- a/include/asm-generic/global_data.h
> >>>> +++ b/include/asm-generic/global_data.h
> >>>> @@ -137,7 +137,7 @@ typedef struct global_data {
> >>>> #if defined(CONFIG_TRANSLATION_OFFSET)
> >>>> fdt_addr_t translation_offset; /* optional
> >>>> translation offset */ #endif
> >>>> -#if defined(CONFIG_WDT)
> >>>> +#if CONFIG_IS_ENABLED(WDT)
> >>>> struct udevice *watchdog_dev;
> >>>> #endif
> >>>> } gd_t;
> >>>> diff --git a/include/wdt.h b/include/wdt.h
> >>>> index aa77d3e9b4..5bcff24ab3 100644
> >>>> --- a/include/wdt.h
> >>>> +++ b/include/wdt.h
> >>>> @@ -106,7 +106,7 @@ struct wdt_ops {
> >>>> int (*expire_now)(struct udevice *dev, ulong flags);
> >>>> };
> >>>>
> >>>> -#if defined(CONFIG_WDT)
> >>>> +#if CONFIG_IS_ENABLED(WDT)
> >>>> #ifndef CONFIG_WATCHDOG_TIMEOUT_MSECS
> >>>> #define CONFIG_WATCHDOG_TIMEOUT_MSECS (60 * 1000)
> >>>> #endif
> >>>
> >>> Tested-by: Lukasz Majewski <lukma at denx.de>
> >>>
> >>> Test HW: display5 i.MX6Q device
> >>>
> >>
> >> Unfortunately this series causes build break when run on Travis-CI
> >> for some Atmel/Microchip:
> >>
> >> arm: + picosam9g45
> >> +lib/built-in.o: In function `udelay':
> >> +lib/time.c:167: undefined reference to `watchdog_reset'
> >> +drivers/built-in.o: In function `atmel_serial_getc':
> >> +drivers/serial/atmel_usart.c:103: undefined reference to
> >> `watchdog_reset' +make[2]: *** [spl/u-boot-spl] Error 1
> >> +make[1]: *** [spl/u-boot-spl] Error 2
> >> +make: *** [sub-make] Error 2
> >> 14 38 1 /53 axm
> >> boards.cfg is up to date. Nothing to do.
> >> Summary of current source for 53 boards (2 threads, 1 job per
> >> thread)
> >>
> >>
> >> u-boot master SHA1: e1a2ed7180adeefb6164239a18249dca5701319d
> >>
> >
> > The fix is under Travis-CI testing:
> > https://travis-ci.org/lmajewski/u-boot-dfu/builds/542118403
> >
> > I will post patches when it finishes.
>
> What's the fix ?
>
https://github.com/lmajewski/u-boot-dfu/commit/98c95790fee02296023a2906811092a1868f622d
I've explicitly enabled SPL_WDT=y for affected boards.
> I am testing this since yesterday:
> https://github.com/marex/u-boot-imx/commit/c8e1bff9f332a35859e1f4d44e114c3aa639b390
>
However, if your version is building without any issues, it looks
better than mine (IMHO imply is more elegant).
Best regards,
Lukasz Majewski
--
DENX Software Engineering GmbH, Managing Director: Wolfgang Denk
HRB 165235 Munich, Office: Kirchenstr.5, D-82194 Groebenzell, Germany
Phone: (+49)-8142-66989-59 Fax: (+49)-8142-66989-80 Email: lukma at denx.de
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