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hw21: clear register completely instead of masking watchdog timeout 

With the introduction of the SSF watchdog feature a get and then a
set of the PMIC's CONTROL_D register leads to an activation of the
watchdog and causes a watchdog reset at the time the kernel is
being decompressed.
Currently we disable the watchdog from the bootloader and activate
it only in user space.

BugzID: 74659
Signed-off-by: Marc Mattmueller <marc.mattmueller@netmodule.com>
This commit is contained in:
Marc Mattmueller 2021-09-08 09:29:46 +02:00
parent 3a9ef955c2
commit 6cc285809d
1 changed files with 1 additions and 3 deletions
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4
board/nm/nmhw21/board.c
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@ -622,9 +622,7 @@ static void pmic_ignition_gate_on(void)
val |= 0xC0;
(void)da9063_set_reg(PMIC_REG_CONFIG_L, val);
(void)da9063_get_reg(PMIC_REG_CONTROL_D, &val); /* No blinking, state selected by GPIOxx_MODE */
val &= ~0xF8;
(void)da9063_set_reg(PMIC_REG_CONTROL_D, val);
(void)da9063_set_reg(PMIC_REG_CONTROL_D, 0x00); /* No blinking, state selected by GPIOxx_MODE */
(void)da9063_get_reg(PMIC_REG_GPIO_MODE8_15, &val); /* Set to GPIO14,15 to high */
val |= 0xC0;