[U-Boot] [PATCH 1/2] watchdog: Split WDT from SPL_WDT

[Lukasz Majewski <lukma@denx.de>]

On Thu, 6 Jun 2019 09:26:04 +0200
Marek Vasut <marex@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@denx.de> wrote:
> >   
> >> Hi Marek,
> >>  
> >>> On Sun, 12 May 2019 23:34:52 +0200
> >>> Marek Vasut <marex@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@denx.de>
> >>>> Cc: Peng Fan <Peng.Fan@freescale.com>
> >>>> Cc: Stefano Babic <sbabic@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@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

--

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