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Viewing changes to drivers/net/ethernet/xscale/ixp2000/ixpdev_priv.h

  • Committer: Package Import Robot
  • Author(s): Alessio Igor Bogani
  • Date: 2011-10-26 11:13:05 UTC
  • Revision ID: package-import@ubuntu.com-20111026111305-tz023xykf0i6eosh
Tags: upstream-3.2.0
Import upstream version 3.2.0

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drivers/net/ethernet/xscale/ixp2000/ixpdev_priv.h
 
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/*
 
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 * IXP2000 MSF network device driver
 
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 * Copyright (C) 2004, 2005 Lennert Buytenhek <buytenh@wantstofly.org>
 
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 * Dedicated to Marija Kulikova.
 
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 *
 
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 * This program is free software; you can redistribute it and/or modify
 
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 * it under the terms of the GNU General Public License as published by
 
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 * the Free Software Foundation; either version 2 of the License, or
 
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 * (at your option) any later version.
 
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 */
 
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#ifndef __IXPDEV_PRIV_H
 
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#define __IXPDEV_PRIV_H
 
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#define RX_BUF_DESC_BASE        0x00001000
 
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#define RX_BUF_COUNT            ((3 * PAGE_SIZE) / (4 * sizeof(struct ixpdev_rx_desc)))
 
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#define TX_BUF_DESC_BASE        0x00002000
 
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#define TX_BUF_COUNT            ((3 * PAGE_SIZE) / (4 * sizeof(struct ixpdev_tx_desc)))
 
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#define TX_BUF_COUNT_PER_CHAN   (TX_BUF_COUNT / 4)
 
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#define RING_RX_PENDING         ((u32 *)IXP2000_SCRATCH_RING_VIRT_BASE)
 
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#define RING_RX_DONE            ((u32 *)(IXP2000_SCRATCH_RING_VIRT_BASE + 4))
 
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#define RING_TX_PENDING         ((u32 *)(IXP2000_SCRATCH_RING_VIRT_BASE + 8))
 
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#define RING_TX_DONE            ((u32 *)(IXP2000_SCRATCH_RING_VIRT_BASE + 12))
 
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#define SCRATCH_REG(x)          ((u32 *)(IXP2000_GLOBAL_REG_VIRT_BASE | 0x0800 | (x)))
 
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#define RING_RX_PENDING_BASE    SCRATCH_REG(0x00)
 
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#define RING_RX_PENDING_HEAD    SCRATCH_REG(0x04)
 
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#define RING_RX_PENDING_TAIL    SCRATCH_REG(0x08)
 
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#define RING_RX_DONE_BASE       SCRATCH_REG(0x10)
 
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#define RING_RX_DONE_HEAD       SCRATCH_REG(0x14)
 
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#define RING_RX_DONE_TAIL       SCRATCH_REG(0x18)
 
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#define RING_TX_PENDING_BASE    SCRATCH_REG(0x20)
 
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#define RING_TX_PENDING_HEAD    SCRATCH_REG(0x24)
 
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#define RING_TX_PENDING_TAIL    SCRATCH_REG(0x28)
 
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#define RING_TX_DONE_BASE       SCRATCH_REG(0x30)
 
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#define RING_TX_DONE_HEAD       SCRATCH_REG(0x34)
 
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#define RING_TX_DONE_TAIL       SCRATCH_REG(0x38)
 
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struct ixpdev_rx_desc
 
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{
 
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        u32     buf_addr;
 
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        u32     buf_length;
 
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        u32     channel;
 
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        u32     pkt_length;
 
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};
 
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struct ixpdev_tx_desc
 
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{
 
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        u32     buf_addr;
 
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        u32     pkt_length;
 
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        u32     channel;
 
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        u32     unused;
 
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};
 
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#endif