diff options
Diffstat (limited to 'drivers/net/mvme147.c')
| -rw-r--r-- | drivers/net/mvme147.c | 203 |
1 files changed, 0 insertions, 203 deletions
diff --git a/drivers/net/mvme147.c b/drivers/net/mvme147.c deleted file mode 100644 index 56a82d8ee8f..00000000000 --- a/drivers/net/mvme147.c +++ /dev/null @@ -1,203 +0,0 @@ -/* mvme147.c : the Linux/mvme147/lance ethernet driver - * - * Copyright (C) 05/1998 Peter Maydell <pmaydell@chiark.greenend.org.uk> - * Based on the Sun Lance driver and the NetBSD HP Lance driver - * Uses the generic 7990.c LANCE code. - */ - -#include <linux/module.h> -#include <linux/kernel.h> -#include <linux/types.h> -#include <linux/interrupt.h> -#include <linux/ioport.h> -#include <linux/slab.h> -#include <linux/string.h> -#include <linux/delay.h> -#include <linux/init.h> -#include <linux/errno.h> -/* Used for the temporal inet entries and routing */ -#include <linux/socket.h> -#include <linux/route.h> -#include <linux/netdevice.h> -#include <linux/etherdevice.h> -#include <linux/skbuff.h> - -#include <asm/system.h> -#include <asm/io.h> -#include <asm/pgtable.h> -#include <asm/mvme147hw.h> - -/* We have 16834 bytes of RAM for the init block and buffers. This places - * an upper limit on the number of buffers we can use. NetBSD uses 8 Rx - * buffers and 2 Tx buffers. - */ -#define LANCE_LOG_TX_BUFFERS 1 -#define LANCE_LOG_RX_BUFFERS 3 - -#include "7990.h" /* use generic LANCE code */ - -/* Our private data structure */ -struct m147lance_private { - struct lance_private lance; - unsigned long ram; -}; - -/* function prototypes... This is easy because all the grot is in the - * generic LANCE support. All we have to support is probing for boards, - * plus board-specific init, open and close actions. - * Oh, and we need to tell the generic code how to read and write LANCE registers... - */ -static int m147lance_open(struct net_device *dev); -static int m147lance_close(struct net_device *dev); -static void m147lance_writerap(struct lance_private *lp, unsigned short value); -static void m147lance_writerdp(struct lance_private *lp, unsigned short value); -static unsigned short m147lance_readrdp(struct lance_private *lp); - -typedef void (*writerap_t)(void *, unsigned short); -typedef void (*writerdp_t)(void *, unsigned short); -typedef unsigned short (*readrdp_t)(void *); - -/* Initialise the one and only on-board 7990 */ -struct net_device * __init mvme147lance_probe(int unit) -{ - struct net_device *dev; - static int called; - static const char name[] = "MVME147 LANCE"; - struct m147lance_private *lp; - u_long *addr; - u_long address; - int err; - - if (!MACH_IS_MVME147 || called) - return ERR_PTR(-ENODEV); - called++; - - dev = alloc_etherdev(sizeof(struct m147lance_private)); - if (!dev) - return ERR_PTR(-ENOMEM); - - if (unit >= 0) - sprintf(dev->name, "eth%d", unit); - - SET_MODULE_OWNER(dev); - - /* Fill the dev fields */ - dev->base_addr = (unsigned long)MVME147_LANCE_BASE; - dev->open = &m147lance_open; - dev->stop = &m147lance_close; - dev->hard_start_xmit = &lance_start_xmit; - dev->get_stats = &lance_get_stats; - dev->set_multicast_list = &lance_set_multicast; - dev->tx_timeout = &lance_tx_timeout; - dev->dma = 0; - - addr=(u_long *)ETHERNET_ADDRESS; - address = *addr; - dev->dev_addr[0]=0x08; - dev->dev_addr[1]=0x00; - dev->dev_addr[2]=0x3e; - address=address>>8; - dev->dev_addr[5]=address&0xff; - address=address>>8; - dev->dev_addr[4]=address&0xff; - address=address>>8; - dev->dev_addr[3]=address&0xff; - - printk("%s: MVME147 at 0x%08lx, irq %d, Hardware Address %02x:%02x:%02x:%02x:%02x:%02x\n", - dev->name, dev->base_addr, MVME147_LANCE_IRQ, - dev->dev_addr[0], - dev->dev_addr[1], dev->dev_addr[2], - dev->dev_addr[3], dev->dev_addr[4], - dev->dev_addr[5]); - - lp = (struct m147lance_private *)dev->priv; - lp->ram = __get_dma_pages(GFP_ATOMIC, 3); /* 16K */ - if (!lp->ram) - { - printk("%s: No memory for LANCE buffers\n", dev->name); - free_netdev(dev); - return ERR_PTR(-ENOMEM); - } - - lp->lance.name = (char*)name; /* discards const, shut up gcc */ - lp->lance.base = dev->base_addr; - lp->lance.init_block = (struct lance_init_block *)(lp->ram); /* CPU addr */ - lp->lance.lance_init_block = (struct lance_init_block *)(lp->ram); /* LANCE addr of same RAM */ - lp->lance.busmaster_regval = LE_C3_BSWP; /* we're bigendian */ - lp->lance.irq = MVME147_LANCE_IRQ; - lp->lance.writerap = (writerap_t)m147lance_writerap; - lp->lance.writerdp = (writerdp_t)m147lance_writerdp; - lp->lance.readrdp = (readrdp_t)m147lance_readrdp; - lp->lance.lance_log_rx_bufs = LANCE_LOG_RX_BUFFERS; - lp->lance.lance_log_tx_bufs = LANCE_LOG_TX_BUFFERS; - lp->lance.rx_ring_mod_mask = RX_RING_MOD_MASK; - lp->lance.tx_ring_mod_mask = TX_RING_MOD_MASK; - - err = register_netdev(dev); - if (err) { - free_pages(lp->ram, 3); - free_netdev(dev); - return ERR_PTR(err); - } - - return dev; -} - -static void m147lance_writerap(struct lance_private *lp, unsigned short value) -{ - out_be16(lp->base + LANCE_RAP, value); -} - -static void m147lance_writerdp(struct lance_private *lp, unsigned short value) -{ - out_be16(lp->base + LANCE_RDP, value); -} - -static unsigned short m147lance_readrdp(struct lance_private *lp) -{ - return in_be16(lp->base + LANCE_RDP); -} - -static int m147lance_open(struct net_device *dev) -{ - int status; - - status = lance_open(dev); /* call generic lance open code */ - if (status) - return status; - /* enable interrupts at board level. */ - m147_pcc->lan_cntrl=0; /* clear the interrupts (if any) */ - m147_pcc->lan_cntrl=0x08 | 0x04; /* Enable irq 4 */ - - return 0; -} - -static int m147lance_close(struct net_device *dev) -{ - /* disable interrupts at boardlevel */ - m147_pcc->lan_cntrl=0x0; /* disable interrupts */ - lance_close(dev); - return 0; -} - -#ifdef MODULE -MODULE_LICENSE("GPL"); - -static struct net_device *dev_mvme147_lance; -int init_module(void) -{ - dev_mvme147_lance = mvme147lance_probe(-1); - if (IS_ERR(dev_mvme147_lance)) - return PTR_ERR(dev_mvme147_lance); - return 0; -} - -void cleanup_module(void) -{ - struct m147lance_private *lp = dev_mvme147_lance->priv; - unregister_netdev(dev_mvme147_lance); - free_pages(lp->ram, 3); - free_netdev(dev_mvme147_lance); -} - -#endif /* MODULE */ |
