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-rw-r--r--include/grlib/greth.h87
1 files changed, 87 insertions, 0 deletions
diff --git a/include/grlib/greth.h b/include/grlib/greth.h
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+++ b/include/grlib/greth.h
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+/* Gaisler.com GRETH 10/100/1000 Ethernet MAC definitions
+ *
+ * (C) Copyright 2010, 2015
+ * Daniel Hellstrom, Cobham Gaisler, daniel@gaisler.com
+ *
+ * SPDX-License-Identifier: GPL-2.0+
+ */
+
+#ifndef __GRLIB_GRETH_H__
+#define __GRLIB_GRETH_H__
+
+#define GRETH_FD 0x10
+#define GRETH_RESET 0x40
+#define GRETH_MII_BUSY 0x8
+#define GRETH_MII_NVALID 0x10
+
+/* MII registers */
+#define GRETH_MII_EXTADV_1000FD 0x00000200
+#define GRETH_MII_EXTADV_1000HD 0x00000100
+#define GRETH_MII_EXTPRT_1000FD 0x00000800
+#define GRETH_MII_EXTPRT_1000HD 0x00000400
+
+#define GRETH_MII_100T4 0x00000200
+#define GRETH_MII_100TXFD 0x00000100
+#define GRETH_MII_100TXHD 0x00000080
+#define GRETH_MII_10FD 0x00000040
+#define GRETH_MII_10HD 0x00000020
+
+#define GRETH_BD_EN 0x800
+#define GRETH_BD_WR 0x1000
+#define GRETH_BD_IE 0x2000
+#define GRETH_BD_LEN 0x7FF
+
+#define GRETH_TXEN 0x1
+#define GRETH_INT_TX 0x8
+#define GRETH_TXI 0x4
+#define GRETH_TXBD_STATUS 0x0001C000
+#define GRETH_TXBD_MORE 0x20000
+#define GRETH_TXBD_IPCS 0x40000
+#define GRETH_TXBD_TCPCS 0x80000
+#define GRETH_TXBD_UDPCS 0x100000
+#define GRETH_TXBD_ERR_LC 0x10000
+#define GRETH_TXBD_ERR_UE 0x4000
+#define GRETH_TXBD_ERR_AL 0x8000
+#define GRETH_TXBD_NUM 128
+#define GRETH_TXBD_NUM_MASK (GRETH_TXBD_NUM-1)
+#define GRETH_TX_BUF_SIZE 2048
+
+#define GRETH_INT_RX 0x4
+#define GRETH_RXEN 0x2
+#define GRETH_RXI 0x8
+#define GRETH_RXBD_STATUS 0xFFFFC000
+#define GRETH_RXBD_ERR_AE 0x4000
+#define GRETH_RXBD_ERR_FT 0x8000
+#define GRETH_RXBD_ERR_CRC 0x10000
+#define GRETH_RXBD_ERR_OE 0x20000
+#define GRETH_RXBD_ERR_LE 0x40000
+#define GRETH_RXBD_IP_DEC 0x80000
+#define GRETH_RXBD_IP_CSERR 0x100000
+#define GRETH_RXBD_UDP_DEC 0x200000
+#define GRETH_RXBD_UDP_CSERR 0x400000
+#define GRETH_RXBD_TCP_DEC 0x800000
+#define GRETH_RXBD_TCP_CSERR 0x1000000
+
+#define GRETH_RXBD_NUM 128
+#define GRETH_RXBD_NUM_MASK (GRETH_RXBD_NUM-1)
+#define GRETH_RX_BUF_SIZE 2048
+
+/* Ethernet configuration registers */
+typedef struct _greth_regs {
+ volatile unsigned int control;
+ volatile unsigned int status;
+ volatile unsigned int esa_msb;
+ volatile unsigned int esa_lsb;
+ volatile unsigned int mdio;
+ volatile unsigned int tx_desc_p;
+ volatile unsigned int rx_desc_p;
+ volatile unsigned int edcl_ip;
+} greth_regs;
+
+/* Ethernet buffer descriptor */
+typedef struct _greth_bd {
+ volatile unsigned int stat;
+ unsigned int addr; /* Buffer address not changed by HW */
+} greth_bd;
+
+#endif
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