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ARM: mxs: Enable DCDC converter for battery boot

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In case the board detected sufficient voltage for battery boot,
make sure the DCDC converter is ON and the board is not running
only from linregs, otherwise an instability will be observed.

Signed-off-by: Marek Vasut <marex@denx.de>
Cc: Stefano Babic <sbabic@denx.de>
Cc: Fabio Estevam <fabio.estevam@freescale.com>
This commit is contained in:
Marek Vasut 2013-10-28 12:29:30 +01:00 committed by Stefano Babic
parent 0029bc47ad
commit a0f9761075
1 changed files with 2 additions and 0 deletions
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2
arch/arm/cpu/arm926ejs/mxs/spl_power_init.c
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@ -654,6 +654,8 @@ static void mxs_batt_boot(void)
clrsetbits_le32(&power_regs->hw_power_5vctrl, clrsetbits_le32(&power_regs->hw_power_5vctrl,
POWER_5VCTRL_CHARGE_4P2_ILIMIT_MASK, POWER_5VCTRL_CHARGE_4P2_ILIMIT_MASK,
0x8 << POWER_5VCTRL_CHARGE_4P2_ILIMIT_OFFSET); 0x8 << POWER_5VCTRL_CHARGE_4P2_ILIMIT_OFFSET);
mxs_power_enable_4p2();
} }
/** /**