0545e9dc6d
commit d1edce71135cc6d98c0a4b5729774542b676e769 Author: sophgo-forum-service <forum_service@sophgo.com> Date: Fri Mar 15 16:07:33 2024 +0800 [fix] recommend using ssh method to clone repo. [fix] fix sensor driver repo branch name.
35 lines
658 B
C
35 lines
658 B
C
// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
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/*
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* Copyright (c) 2018 Microsemi Corporation
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*/
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#include <common.h>
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#include <asm/io.h>
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#include <linux/bitops.h>
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void mscc_gpio_set_alternate(int gpio, int mode)
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{
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u32 mask = BIT(gpio);
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u32 val0, val1;
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val0 = readl(BASE_DEVCPU_GCB + GPIO_ALT(0));
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val1 = readl(BASE_DEVCPU_GCB + GPIO_ALT(1));
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if (mode == 1) {
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val0 |= mask;
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val1 &= ~mask;
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} else if (mode == 2) {
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val0 &= ~mask;
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val1 |= mask;
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} else if (mode == 3) {
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val0 |= mask;
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val1 |= mask;
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} else {
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val0 &= ~mask;
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val1 &= ~mask;
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}
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writel(val0, BASE_DEVCPU_GCB + GPIO_ALT(0));
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writel(val1, BASE_DEVCPU_GCB + GPIO_ALT(1));
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}
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