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// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
/*
* Copyright (c) 2018 Microsemi Corporation
*/
#include <common.h>
#include <asm/io.h>
void mscc_gpio_set_alternate(int gpio, int mode)
{
u32 mask = BIT(gpio);
u32 val0, val1;
val0 = readl(BASE_DEVCPU_GCB + GPIO_ALT(0));
val1 = readl(BASE_DEVCPU_GCB + GPIO_ALT(1));
if (mode == 1) {
val0 |= mask;
val1 &= ~mask;
} else if (mode == 2) {
val0 &= ~mask;
val1 |= mask;
} else if (mode == 3) {
val0 |= mask;
val1 |= mask;
} else {
val0 &= ~mask;
val1 &= ~mask;
}
writel(val0, BASE_DEVCPU_GCB + GPIO_ALT(0));
writel(val1, BASE_DEVCPU_GCB + GPIO_ALT(1));
}
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