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arm: zynq: Try to enable the first watchdog via aliases

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The same change as was done for zynqmp with this description:

Add support for enabling the first watchdog pointed via aliases.

DT fragment:
	aliases {
		...
		watchdog0= &watchdog0;
		watchdog1 = &watchdog_lpd;
		...
	};

<zynqmp example removed>

Till this patch the first watchdog found in DT was used and started
which is not enabling all possible configuration based on user request.

Signed-off-by: Michal Simek <michal.simek@xilinx.com>
This commit is contained in:
Michal Simek 2018-07-11 08:35:22 +02:00
parent 1fbca0db5d
commit 501fc50a29
1 changed files with 9 additions and 5 deletions
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14
board/xilinx/zynq/board.c
View file

@ -36,12 +36,16 @@ int board_early_init_f(void)
int board_init(void)
{
#if !defined(CONFIG_SPL_BUILD) && defined(CONFIG_WDT)
if (uclass_get_device(UCLASS_WDT, 0, &watchdog_dev)) {
puts("Watchdog: Not found!\n");
} else {
wdt_start(watchdog_dev, 0, 0);
puts("Watchdog: Started\n");
if (uclass_get_device_by_seq(UCLASS_WDT, 0, &watchdog_dev)) {
debug("Watchdog: Not found by seq!\n");
if (uclass_get_device(UCLASS_WDT, 0, &watchdog_dev)) {
puts("Watchdog: Not found!\n");
return 0;
}
}
wdt_start(watchdog_dev, 0, 0);
puts("Watchdog: Started\n");
# endif
return 0;