tftp.h

裸板的tftp客户端

//LED GPIO
#define GPBCON	(*(volatile unsigned long *)0x56000010)
#define GPBDAT	(*(volatile unsigned long *)0x56000014)
#define GPBUP	(*(volatile unsigned long *)0x56000018)
// Set Uart
#define UART_CTL_BASE	0x50000000
#define	reg(i)	(*(volatile unsigned long *)(UART_CTL_BASE + i))
#define	Utrstat0	reg(0x10)
#define Utxh0	reg(0x20)

// CS8900 web card set
#define GPACON	(*(volatile unsigned long *)0x56000000)

#define CS8900_BASE	0x19000300
#define CS8900_REG unsigned short int
#define CS8900_OFF 0x02
#define CS8900_BUS16_0  *(volatile unsigned char *)(CS8900_BASE+0x00)
#define CS8900_BUS16_1  *(volatile unsigned char *)(CS8900_BASE+0x01)
#define CS8900_RTDATA *(volatile CS8900_REG *)(CS8900_BASE+0x00*CS8900_OFF)
#define CS8900_TxCMD  *(volatile CS8900_REG *)(CS8900_BASE+0x02*CS8900_OFF)
#define CS8900_TxLEN  *(volatile CS8900_REG *)(CS8900_BASE+0x03*CS8900_OFF)
#define CS8900_PPTR   *(volatile CS8900_REG *)(CS8900_BASE+0x05*CS8900_OFF)
#define CS8900_PDATA  *(volatile CS8900_REG *)(CS8900_BASE+0x06*CS8900_OFF)

// Chip self control
#define PP_SelfCTL   0x0114 
#define PP_SelfCTL_Reset       0x0040  // Self-clearing reset

// Chip self status 
#define PP_SelfSTAT  0x0136  
#define PP_SelfSTAT_InitD      0x0080  // Chip initialization complete 

// Receiver control
#define PP_RxCTL     0x0104
#define PP_RxCTL_Promiscuous   0x0080  /* Accept any frame */
#define PP_RxCTL_RxOK          0x0100  // Accept well formed frames
#define PP_RxCTL_IA            0x0400  // Accept frame that matches IA 
#define PP_RxCTL_Broadcast     0x0800  // Accept broadcast frames 

// Receiver configuration
#define PP_RxCFG     0x0102

// Transmit configuration
#define PP_TxCFG     0x0106

// Buffer configuration
#define PP_BufCFG    0x010A

// Line control
#define PP_LineCTL   0x0112   
#define PP_LineCTL_Rx          0x0040  // Enable receiver 
#define PP_LineCTL_Tx          0x0080  // Enable transmitter  

// Transmit command status
#define PP_TxCmd     0x0108
#define PP_TxCmd_TxStart_Full  0x00C0  // Start after all bytes loaded

// Bus status 
#define PP_BusSTAT   0x0138  
#define PP_BusSTAT_TxRDY       0x0100  // Ready for Tx data 

// Bus Control
#define PP_BusCtl	0x0116
#define PP_BusCrl_IoCh 	0x1000 		// IOCH RDYE 0 add read cycles

// Transmit event
#define PP_TER       0x0128
#define PP_TER_CRS             0x0040  // Carier lost 
#define PP_TER_TxOK            0x0100  // Packet sent without error

// Receive event
#define PP_RER       0x0124  
#define PP_RER_RxOK            0x0100  // Frame received with no errors
#define PP_RER_CRC             0x1000  /* Frame had CRC error */
// Chip identifier - must be 0x630E, revision, model codes
#define PP_ChipID    0x0000   
#define PP_ChipRev   0x0002   
// Individual address (MAC)
#define PP_IA        0x0158