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