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			88 lines
		
	
	
		
			2.4 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			88 lines
		
	
	
		
			2.4 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
/* Gaisler.com GRETH 10/100/1000 Ethernet MAC definitions
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 *
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 * (C) Copyright 2010, 2015
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 * Daniel Hellstrom, Cobham Gaisler, daniel@gaisler.com
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 *
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 * SPDX-License-Identifier:	GPL-2.0+
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 */
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#ifndef __GRLIB_GRETH_H__
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#define __GRLIB_GRETH_H__
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#define GRETH_FD 0x10
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#define GRETH_RESET 0x40
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#define GRETH_MII_BUSY 0x8
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#define GRETH_MII_NVALID 0x10
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/* MII registers */
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#define GRETH_MII_EXTADV_1000FD 0x00000200
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#define GRETH_MII_EXTADV_1000HD 0x00000100
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#define GRETH_MII_EXTPRT_1000FD 0x00000800
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#define GRETH_MII_EXTPRT_1000HD 0x00000400
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#define GRETH_MII_100T4 0x00000200
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#define GRETH_MII_100TXFD 0x00000100
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#define GRETH_MII_100TXHD 0x00000080
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#define GRETH_MII_10FD 0x00000040
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#define GRETH_MII_10HD 0x00000020
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#define GRETH_BD_EN 0x800
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#define GRETH_BD_WR 0x1000
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#define GRETH_BD_IE 0x2000
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#define GRETH_BD_LEN 0x7FF
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#define GRETH_TXEN 0x1
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#define GRETH_INT_TX 0x8
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#define GRETH_TXI 0x4
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#define GRETH_TXBD_STATUS 0x0001C000
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#define GRETH_TXBD_MORE 0x20000
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#define GRETH_TXBD_IPCS 0x40000
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#define GRETH_TXBD_TCPCS 0x80000
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#define GRETH_TXBD_UDPCS 0x100000
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#define GRETH_TXBD_ERR_LC 0x10000
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#define GRETH_TXBD_ERR_UE 0x4000
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#define GRETH_TXBD_ERR_AL 0x8000
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#define GRETH_TXBD_NUM 128
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#define GRETH_TXBD_NUM_MASK (GRETH_TXBD_NUM-1)
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#define GRETH_TX_BUF_SIZE 2048
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#define GRETH_INT_RX         0x4
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#define GRETH_RXEN           0x2
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#define GRETH_RXI            0x8
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#define GRETH_RXBD_STATUS    0xFFFFC000
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#define GRETH_RXBD_ERR_AE    0x4000
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#define GRETH_RXBD_ERR_FT    0x8000
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#define GRETH_RXBD_ERR_CRC   0x10000
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#define GRETH_RXBD_ERR_OE    0x20000
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#define GRETH_RXBD_ERR_LE    0x40000
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#define GRETH_RXBD_IP_DEC    0x80000
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#define GRETH_RXBD_IP_CSERR  0x100000
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#define GRETH_RXBD_UDP_DEC   0x200000
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#define GRETH_RXBD_UDP_CSERR 0x400000
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#define GRETH_RXBD_TCP_DEC   0x800000
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#define GRETH_RXBD_TCP_CSERR 0x1000000
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#define GRETH_RXBD_NUM 128
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#define GRETH_RXBD_NUM_MASK (GRETH_RXBD_NUM-1)
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#define GRETH_RX_BUF_SIZE 2048
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/* Ethernet configuration registers */
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typedef struct _greth_regs {
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	volatile unsigned int control;
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	volatile unsigned int status;
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	volatile unsigned int esa_msb;
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	volatile unsigned int esa_lsb;
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	volatile unsigned int mdio;
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	volatile unsigned int tx_desc_p;
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	volatile unsigned int rx_desc_p;
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	volatile unsigned int edcl_ip;
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} greth_regs;
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/* Ethernet buffer descriptor */
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typedef struct _greth_bd {
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	volatile unsigned int stat;
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	unsigned int addr;	/* Buffer address not changed by HW */
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} greth_bd;
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#endif
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