29 lines
750 B
C
29 lines
750 B
C
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/*
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* Copyright (c) CompanyNameMagicTag 2012-2019. All rights reserved.
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* Description: gpio drive adjustment. gpio_ram.c code
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* Author: CompanyName
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* Create: 2012-06-08
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*/
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#include "dw21_platform_rom.h"
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#include "gpio.h"
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#define GPIO_SWPORT_DR 0x00
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#define GPIO_SWPORT_DDR 0x04
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/* 因在动态加载前，不能放在动态加载区域 */
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__isr td_u32 uapi_io_init(EXT_CONST td_u32 *val, EXT_CONST td_u32 *dir)
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{
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td_u32 ulRegVal = 0;
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if (TD_NULL != val) {
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ulRegVal = *val;
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UAPI_REG_WRITE32((EXT_GPIO_REG_BASE + GPIO_SWPORT_DR), ulRegVal);
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}
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if (TD_NULL != dir) {
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ulRegVal = *dir;
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UAPI_REG_WRITE32((EXT_GPIO_REG_BASE + GPIO_SWPORT_DDR), ulRegVal);
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}
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return EXT_ROM_ERR_SUCCESS;
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}
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