/***********************************************************
Function: reg_write_u8--write an UINT8 value to physical memory
Input: the writed address and data
return: void
see also: write_u32
History:
1. 2012.8.20 Creat
************************************************************/
void reg_write_u8(unsigned int pAddr, unsigned char value)
{
void __iomem *virAddr = NULL;
virAddr = REG_VIR_ADDR_MAP(pAddr);
*(volatile unsigned char *)(virAddr)=value;
REG_VIR_ADDR_UNMAP(virAddr);
}
/***********************************************************
Function: reg_write_u16--write an UINT16 value to physical memory
Input: the writed address and data
return: void
see also: write_u8
History:
1. 2012.8.20 Creat
************************************************************/
void reg_write_u16(unsigned int pAddr, unsigned short value)
{
unsigned int virAddr = 0;
virAddr = REG_VIR_ADDR_MAP(pAddr);
*(volatile unsigned short *)(virAddr)=value;
REG_VIR_ADDR_UNMAP(virAddr);
}
/***********************************************************
Function: reg_read_u8 --read an UINT8 value from physical memory
Input: the read address
return: the value
see also: read_u32
History:
1. 2012.8.20 Creat
************************************************************/
unsigned char reg_read_u8(unsigned int pAddr)
{
unsigned char value = 0;
void __iomem *virAddr = NULL;
virAddr = REG_VIR_ADDR_MAP(pAddr);
value = *(volatile unsigned char *)(virAddr);
REG_VIR_ADDR_UNMAP(virAddr);
return value;
}
/***********************************************************
Function: reg_read_u16 --read an UINT16 value from physical memory
Input: the read address
return: the value
see also: read_u8
History:
1. 2012.8.20 Creat
************************************************************/
unsigned short reg_read_u16(unsigned int pAddr)
{
unsigned short value = 0;
unsigned int virAddr = 0;
virAddr = REG_VIR_ADDR_MAP(pAddr);
value = *(volatile unsigned short *)(virAddr);
REG_VIR_ADDR_UNMAP(virAddr);
return value;
}