diff options
author | Jeff Kirsher <jeffrey.t.kirsher@intel.com> | 2011-04-02 06:20:12 -0700 |
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committer | Jeff Kirsher <jeffrey.t.kirsher@intel.com> | 2011-08-10 19:54:25 -0700 |
commit | 644570b830266ff33ff5f3542b9c838f93a55ea6 (patch) | |
tree | b19c680ce1b1e4cd15465c74aa335459068c033f /drivers/net/stnic.c | |
parent | b955f6ca776f3bab3d1e2c5fb1d247b203cbda14 (diff) |
8390: Move the 8390 related drivers
Moves the drivers for the National Semi-conductor 8390 chipset into
drivers/net/ethernet/8390/ and the necessary Kconfig and Makefile
changes.
CC: Donald Becker <becker@scyld.com>
CC: Paul Gortmaker <paul.gortmaker@windriver.com>
CC: Alain Malek <alain.malek@cryogen.com>
CC: Peter De Schrijver <p2@mind.be>
CC: "David Huggins-Daines" <dhd@debian.org>
CC: Wim Dumon <wimpie@kotnet.org>
CC: Yoshinori Sato <ysato@users.sourceforge.jp>
CC: David Hinds <dahinds@users.sourceforge.net>
CC: Russell King <linux@arm.linux.org.uk>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Diffstat (limited to 'drivers/net/stnic.c')
-rw-r--r-- | drivers/net/stnic.c | 294 |
1 files changed, 0 insertions, 294 deletions
diff --git a/drivers/net/stnic.c b/drivers/net/stnic.c deleted file mode 100644 index d85f0a84bc7b..000000000000 --- a/drivers/net/stnic.c +++ /dev/null @@ -1,294 +0,0 @@ -/* stnic.c : A SH7750 specific part of driver for NS DP83902A ST-NIC. - * - * This file is subject to the terms and conditions of the GNU General Public - * License. See the file "COPYING" in the main directory of this archive - * for more details. - * - * Copyright (C) 1999 kaz Kojima - */ - -#include <linux/module.h> -#include <linux/kernel.h> -#include <linux/errno.h> -#include <linux/interrupt.h> -#include <linux/ioport.h> -#include <linux/netdevice.h> -#include <linux/etherdevice.h> -#include <linux/init.h> -#include <linux/delay.h> - -#include <asm/system.h> -#include <asm/io.h> -#include <mach-se/mach/se.h> -#include <asm/machvec.h> -#ifdef CONFIG_SH_STANDARD_BIOS -#include <asm/sh_bios.h> -#endif - -#include "8390.h" - -#define DRV_NAME "stnic" - -#define byte unsigned char -#define half unsigned short -#define word unsigned int -#define vbyte volatile unsigned char -#define vhalf volatile unsigned short -#define vword volatile unsigned int - -#define STNIC_RUN 0x01 /* 1 == Run, 0 == reset. */ - -#define START_PG 0 /* First page of TX buffer */ -#define STOP_PG 128 /* Last page +1 of RX ring */ - -/* Alias */ -#define STNIC_CR E8390_CMD -#define PG0_RSAR0 EN0_RSARLO -#define PG0_RSAR1 EN0_RSARHI -#define PG0_RBCR0 EN0_RCNTLO -#define PG0_RBCR1 EN0_RCNTHI - -#define CR_RRD E8390_RREAD -#define CR_RWR E8390_RWRITE -#define CR_PG0 E8390_PAGE0 -#define CR_STA E8390_START -#define CR_RDMA E8390_NODMA - -/* FIXME! YOU MUST SET YOUR OWN ETHER ADDRESS. */ -static byte stnic_eadr[6] = -{0x00, 0xc0, 0x6e, 0x00, 0x00, 0x07}; - -static struct net_device *stnic_dev; - -static void stnic_reset (struct net_device *dev); -static void stnic_get_hdr (struct net_device *dev, struct e8390_pkt_hdr *hdr, - int ring_page); -static void stnic_block_input (struct net_device *dev, int count, - struct sk_buff *skb , int ring_offset); -static void stnic_block_output (struct net_device *dev, int count, - const unsigned char *buf, int start_page); - -static void stnic_init (struct net_device *dev); - -/* SH7750 specific read/write io. */ -static inline void -STNIC_DELAY (void) -{ - vword trash; - trash = *(vword *) 0xa0000000; - trash = *(vword *) 0xa0000000; - trash = *(vword *) 0xa0000000; -} - -static inline byte -STNIC_READ (int reg) -{ - byte val; - - val = (*(vhalf *) (PA_83902 + ((reg) << 1)) >> 8) & 0xff; - STNIC_DELAY (); - return val; -} - -static inline void -STNIC_WRITE (int reg, byte val) -{ - *(vhalf *) (PA_83902 + ((reg) << 1)) = ((half) (val) << 8); - STNIC_DELAY (); -} - -static int __init stnic_probe(void) -{ - struct net_device *dev; - int i, err; - - /* If we are not running on a SolutionEngine, give up now */ - if (! MACH_SE) - return -ENODEV; - - /* New style probing API */ - dev = alloc_ei_netdev(); - if (!dev) - return -ENOMEM; - -#ifdef CONFIG_SH_STANDARD_BIOS - sh_bios_get_node_addr (stnic_eadr); -#endif - for (i = 0; i < ETHER_ADDR_LEN; i++) - dev->dev_addr[i] = stnic_eadr[i]; - - /* Set the base address to point to the NIC, not the "real" base! */ - dev->base_addr = 0x1000; - dev->irq = IRQ_STNIC; - dev->netdev_ops = &ei_netdev_ops; - - /* Snarf the interrupt now. There's no point in waiting since we cannot - share and the board will usually be enabled. */ - err = request_irq (dev->irq, ei_interrupt, 0, DRV_NAME, dev); - if (err) { - printk (KERN_EMERG " unable to get IRQ %d.\n", dev->irq); - free_netdev(dev); - return err; - } - - ei_status.name = dev->name; - ei_status.word16 = 1; -#ifdef __LITTLE_ENDIAN__ - ei_status.bigendian = 0; -#else - ei_status.bigendian = 1; -#endif - ei_status.tx_start_page = START_PG; - ei_status.rx_start_page = START_PG + TX_PAGES; - ei_status.stop_page = STOP_PG; - - ei_status.reset_8390 = &stnic_reset; - ei_status.get_8390_hdr = &stnic_get_hdr; - ei_status.block_input = &stnic_block_input; - ei_status.block_output = &stnic_block_output; - - stnic_init (dev); - - err = register_netdev(dev); - if (err) { - free_irq(dev->irq, dev); - free_netdev(dev); - return err; - } - stnic_dev = dev; - - printk (KERN_INFO "NS ST-NIC 83902A\n"); - - return 0; -} - -static void -stnic_reset (struct net_device *dev) -{ - *(vhalf *) PA_83902_RST = 0; - udelay (5); - if (ei_debug > 1) - printk (KERN_WARNING "8390 reset done (%ld).\n", jiffies); - *(vhalf *) PA_83902_RST = ~0; - udelay (5); -} - -static void -stnic_get_hdr (struct net_device *dev, struct e8390_pkt_hdr *hdr, - int ring_page) -{ - half buf[2]; - - STNIC_WRITE (PG0_RSAR0, 0); - STNIC_WRITE (PG0_RSAR1, ring_page); - STNIC_WRITE (PG0_RBCR0, 4); - STNIC_WRITE (PG0_RBCR1, 0); - STNIC_WRITE (STNIC_CR, CR_RRD | CR_PG0 | CR_STA); - - buf[0] = *(vhalf *) PA_83902_IF; - STNIC_DELAY (); - buf[1] = *(vhalf *) PA_83902_IF; - STNIC_DELAY (); - hdr->next = buf[0] >> 8; - hdr->status = buf[0] & 0xff; -#ifdef __LITTLE_ENDIAN__ - hdr->count = buf[1]; -#else - hdr->count = ((buf[1] >> 8) & 0xff) | (buf[1] << 8); -#endif - - if (ei_debug > 1) - printk (KERN_DEBUG "ring %x status %02x next %02x count %04x.\n", - ring_page, hdr->status, hdr->next, hdr->count); - - STNIC_WRITE (STNIC_CR, CR_RDMA | CR_PG0 | CR_STA); -} - -/* Block input and output, similar to the Crynwr packet driver. If you are - porting to a new ethercard look at the packet driver source for hints. - The HP LAN doesn't use shared memory -- we put the packet - out through the "remote DMA" dataport. */ - -static void -stnic_block_input (struct net_device *dev, int length, struct sk_buff *skb, - int offset) -{ - char *buf = skb->data; - half val; - - STNIC_WRITE (PG0_RSAR0, offset & 0xff); - STNIC_WRITE (PG0_RSAR1, offset >> 8); - STNIC_WRITE (PG0_RBCR0, length & 0xff); - STNIC_WRITE (PG0_RBCR1, length >> 8); - STNIC_WRITE (STNIC_CR, CR_RRD | CR_PG0 | CR_STA); - - if (length & 1) - length++; - - while (length > 0) - { - val = *(vhalf *) PA_83902_IF; -#ifdef __LITTLE_ENDIAN__ - *buf++ = val & 0xff; - *buf++ = val >> 8; -#else - *buf++ = val >> 8; - *buf++ = val & 0xff; -#endif - STNIC_DELAY (); - length -= sizeof (half); - } - - STNIC_WRITE (STNIC_CR, CR_RDMA | CR_PG0 | CR_STA); -} - -static void -stnic_block_output (struct net_device *dev, int length, - const unsigned char *buf, int output_page) -{ - STNIC_WRITE (PG0_RBCR0, 1); /* Write non-zero value */ - STNIC_WRITE (STNIC_CR, CR_RRD | CR_PG0 | CR_STA); - STNIC_DELAY (); - - STNIC_WRITE (PG0_RBCR0, length & 0xff); - STNIC_WRITE (PG0_RBCR1, length >> 8); - STNIC_WRITE (PG0_RSAR0, 0); - STNIC_WRITE (PG0_RSAR1, output_page); - STNIC_WRITE (STNIC_CR, CR_RWR | CR_PG0 | CR_STA); - - if (length & 1) - length++; - - while (length > 0) - { -#ifdef __LITTLE_ENDIAN__ - *(vhalf *) PA_83902_IF = ((half) buf[1] << 8) | buf[0]; -#else - *(vhalf *) PA_83902_IF = ((half) buf[0] << 8) | buf[1]; -#endif - STNIC_DELAY (); - buf += sizeof (half); - length -= sizeof (half); - } - - STNIC_WRITE (STNIC_CR, CR_RDMA | CR_PG0 | CR_STA); -} - -/* This function resets the STNIC if something screws up. */ -static void -stnic_init (struct net_device *dev) -{ - stnic_reset (dev); - NS8390_init (dev, 0); -} - -static void __exit stnic_cleanup(void) -{ - unregister_netdev(stnic_dev); - free_irq(stnic_dev->irq, stnic_dev); - free_netdev(stnic_dev); -} - -module_init(stnic_probe); -module_exit(stnic_cleanup); -MODULE_LICENSE("GPL"); |