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x86: som-db5800-som-6867: fix SERIRQ on reset

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Explicitly enable ILB_SERIRQ function 1 in
cfio_regs_pad_ilb_serirq_PCONF0.

Pad configuration for SERIRQ is not set to enable the SERIRQ function
after a reset though strangely, it is on initial boot.

Rebooting from Linux, reset command in u-boot and even pushing the reset
button on the development board all lead to the SERIRQ function being
disabled (address 0xfed0c560 with value of 0x2003cc80).

Signed-off-by: George McCollister <george.mccollister@gmail.com>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
This commit is contained in:
George McCollister 2016-07-28 09:49:37 -05:00 • committed by Bin Meng
parent 4cf9e464f7
commit 144fdbdeb1
1 changed files with 6 additions and 0 deletions
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6
arch/x86/dts/baytrail_som-db5800-som-6867.dts
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@ -63,6 +63,12 @@
pad-offset = <0x270>;
mode-func = <2>;
};
/* SERIRQ */
soc_gpio_s0_50@0 {
pad-offset = <0x560>;
mode-func = <1>;
};
};
chosen {