diff options
Diffstat (limited to 'drivers/net/jazzsonic.c')
| -rw-r--r-- | drivers/net/jazzsonic.c | 326 |
1 files changed, 0 insertions, 326 deletions
diff --git a/drivers/net/jazzsonic.c b/drivers/net/jazzsonic.c deleted file mode 100644 index 272d331d29c..00000000000 --- a/drivers/net/jazzsonic.c +++ /dev/null @@ -1,326 +0,0 @@ -/* - * jazzsonic.c - * - * (C) 2005 Finn Thain - * - * Converted to DMA API, and (from the mac68k project) introduced - * dhd's support for 16-bit cards. - * - * (C) 1996,1998 by Thomas Bogendoerfer (tsbogend@alpha.franken.de) - * - * This driver is based on work from Andreas Busse, but most of - * the code is rewritten. - * - * (C) 1995 by Andreas Busse (andy@waldorf-gmbh.de) - * - * A driver for the onboard Sonic ethernet controller on Mips Jazz - * systems (Acer Pica-61, Mips Magnum 4000, Olivetti M700 and - * perhaps others, too) - */ - -#include <linux/kernel.h> -#include <linux/module.h> -#include <linux/types.h> -#include <linux/fcntl.h> -#include <linux/interrupt.h> -#include <linux/init.h> -#include <linux/ioport.h> -#include <linux/in.h> -#include <linux/slab.h> -#include <linux/string.h> -#include <linux/delay.h> -#include <linux/errno.h> -#include <linux/netdevice.h> -#include <linux/etherdevice.h> -#include <linux/skbuff.h> -#include <linux/platform_device.h> -#include <linux/dma-mapping.h> - -#include <asm/bootinfo.h> -#include <asm/system.h> -#include <asm/pgtable.h> -#include <asm/io.h> -#include <asm/dma.h> -#include <asm/jazz.h> -#include <asm/jazzdma.h> - -static char jazz_sonic_string[] = "jazzsonic"; -static struct platform_device *jazz_sonic_device; - -#define SONIC_MEM_SIZE 0x100 - -#include "sonic.h" - -/* - * Macros to access SONIC registers - */ -#define SONIC_READ(reg) (*((volatile unsigned int *)dev->base_addr+reg)) - -#define SONIC_WRITE(reg,val) \ -do { \ - *((volatile unsigned int *)dev->base_addr+(reg)) = (val); \ -} while (0) - - -/* use 0 for production, 1 for verification, >1 for debug */ -#ifdef SONIC_DEBUG -static unsigned int sonic_debug = SONIC_DEBUG; -#else -static unsigned int sonic_debug = 1; -#endif - -/* - * Base address and interrupt of the SONIC controller on JAZZ boards - */ -static struct { - unsigned int port; - unsigned int irq; -} sonic_portlist[] = { {JAZZ_ETHERNET_BASE, JAZZ_ETHERNET_IRQ}, {0, 0}}; - -/* - * We cannot use station (ethernet) address prefixes to detect the - * sonic controller since these are board manufacturer depended. - * So we check for known Silicon Revision IDs instead. - */ -static unsigned short known_revisions[] = -{ - 0x04, /* Mips Magnum 4000 */ - 0xffff /* end of list */ -}; - -static int __init sonic_probe1(struct net_device *dev) -{ - static unsigned version_printed; - unsigned int silicon_revision; - unsigned int val; - struct sonic_local *lp = netdev_priv(dev); - int err = -ENODEV; - int i; - - if (!request_mem_region(dev->base_addr, SONIC_MEM_SIZE, jazz_sonic_string)) - return -EBUSY; - - /* - * get the Silicon Revision ID. If this is one of the known - * one assume that we found a SONIC ethernet controller at - * the expected location. - */ - silicon_revision = SONIC_READ(SONIC_SR); - if (sonic_debug > 1) - printk("SONIC Silicon Revision = 0x%04x\n",silicon_revision); - - i = 0; - while (known_revisions[i] != 0xffff - && known_revisions[i] != silicon_revision) - i++; - - if (known_revisions[i] == 0xffff) { - printk("SONIC ethernet controller not found (0x%4x)\n", - silicon_revision); - goto out; - } - - if (sonic_debug && version_printed++ == 0) - printk(version); - - printk(KERN_INFO "%s: Sonic ethernet found at 0x%08lx, ", lp->device->bus_id, dev->base_addr); - - /* - * Put the sonic into software reset, then - * retrieve and print the ethernet address. - */ - SONIC_WRITE(SONIC_CMD,SONIC_CR_RST); - SONIC_WRITE(SONIC_CEP,0); - for (i=0; i<3; i++) { - val = SONIC_READ(SONIC_CAP0-i); - dev->dev_addr[i*2] = val; - dev->dev_addr[i*2+1] = val >> 8; - } - - err = -ENOMEM; - - /* Initialize the device structure. */ - - lp->dma_bitmode = SONIC_BITMODE32; - - /* Allocate the entire chunk of memory for the descriptors. - Note that this cannot cross a 64K boundary. */ - if ((lp->descriptors = dma_alloc_coherent(lp->device, - SIZEOF_SONIC_DESC * SONIC_BUS_SCALE(lp->dma_bitmode), - &lp->descriptors_laddr, GFP_KERNEL)) == NULL) { - printk(KERN_ERR "%s: couldn't alloc DMA memory for descriptors.\n", lp->device->bus_id); - goto out; - } - - /* Now set up the pointers to point to the appropriate places */ - lp->cda = lp->descriptors; - lp->tda = lp->cda + (SIZEOF_SONIC_CDA - * SONIC_BUS_SCALE(lp->dma_bitmode)); - lp->rda = lp->tda + (SIZEOF_SONIC_TD * SONIC_NUM_TDS - * SONIC_BUS_SCALE(lp->dma_bitmode)); - lp->rra = lp->rda + (SIZEOF_SONIC_RD * SONIC_NUM_RDS - * SONIC_BUS_SCALE(lp->dma_bitmode)); - - lp->cda_laddr = lp->descriptors_laddr; - lp->tda_laddr = lp->cda_laddr + (SIZEOF_SONIC_CDA - * SONIC_BUS_SCALE(lp->dma_bitmode)); - lp->rda_laddr = lp->tda_laddr + (SIZEOF_SONIC_TD * SONIC_NUM_TDS - * SONIC_BUS_SCALE(lp->dma_bitmode)); - lp->rra_laddr = lp->rda_laddr + (SIZEOF_SONIC_RD * SONIC_NUM_RDS - * SONIC_BUS_SCALE(lp->dma_bitmode)); - - dev->open = sonic_open; - dev->stop = sonic_close; - dev->hard_start_xmit = sonic_send_packet; - dev->get_stats = sonic_get_stats; - dev->set_multicast_list = &sonic_multicast_list; - dev->tx_timeout = sonic_tx_timeout; - dev->watchdog_timeo = TX_TIMEOUT; - - /* - * clear tally counter - */ - SONIC_WRITE(SONIC_CRCT,0xffff); - SONIC_WRITE(SONIC_FAET,0xffff); - SONIC_WRITE(SONIC_MPT,0xffff); - - return 0; -out: - release_region(dev->base_addr, SONIC_MEM_SIZE); - return err; -} - -/* - * Probe for a SONIC ethernet controller on a Mips Jazz board. - * Actually probing is superfluous but we're paranoid. - */ -static int __init jazz_sonic_probe(struct platform_device *pdev) -{ - struct net_device *dev; - struct sonic_local *lp; - int err = 0; - int i; - - /* - * Don't probe if we're not running on a Jazz board. - */ - if (mips_machgroup != MACH_GROUP_JAZZ) - return -ENODEV; - - dev = alloc_etherdev(sizeof(struct sonic_local)); - if (!dev) - return -ENOMEM; - - lp = netdev_priv(dev); - lp->device = &pdev->dev; - SET_NETDEV_DEV(dev, &pdev->dev); - SET_MODULE_OWNER(dev); - - netdev_boot_setup_check(dev); - - if (dev->base_addr >= KSEG0) { /* Check a single specified location. */ - err = sonic_probe1(dev); - } else if (dev->base_addr != 0) { /* Don't probe at all. */ - err = -ENXIO; - } else { - for (i = 0; sonic_portlist[i].port; i++) { - dev->base_addr = sonic_portlist[i].port; - dev->irq = sonic_portlist[i].irq; - if (sonic_probe1(dev) == 0) - break; - } - if (!sonic_portlist[i].port) - err = -ENODEV; - } - if (err) - goto out; - err = register_netdev(dev); - if (err) - goto out1; - - printk("%s: MAC ", dev->name); - for (i = 0; i < 6; i++) { - printk("%2.2x", dev->dev_addr[i]); - if (i < 5) - printk(":"); - } - printk(" IRQ %d\n", dev->irq); - - return 0; - -out1: - release_region(dev->base_addr, SONIC_MEM_SIZE); -out: - free_netdev(dev); - - return err; -} - -MODULE_DESCRIPTION("Jazz SONIC ethernet driver"); -module_param(sonic_debug, int, 0); -MODULE_PARM_DESC(sonic_debug, "jazzsonic debug level (1-4)"); - -#define SONIC_IRQ_FLAG SA_INTERRUPT - -#include "sonic.c" - -static int __devexit jazz_sonic_device_remove (struct platform_device *pdev) -{ - struct net_device *dev = platform_get_drvdata(pdev); - struct sonic_local* lp = netdev_priv(dev); - - unregister_netdev (dev); - dma_free_coherent(lp->device, SIZEOF_SONIC_DESC * SONIC_BUS_SCALE(lp->dma_bitmode), - lp->descriptors, lp->descriptors_laddr); - release_region (dev->base_addr, SONIC_MEM_SIZE); - free_netdev (dev); - - return 0; -} - -static struct platform_driver jazz_sonic_driver = { - .probe = jazz_sonic_probe, - .remove = __devexit_p(jazz_sonic_device_remove), - .driver = { - .name = jazz_sonic_string, - }, -}; - -static int __init jazz_sonic_init_module(void) -{ - int err; - - if ((err = platform_driver_register(&jazz_sonic_driver))) { - printk(KERN_ERR "Driver registration failed\n"); - return err; - } - - jazz_sonic_device = platform_device_alloc(jazz_sonic_string, 0); - if (!jazz_sonic_device) - goto out_unregister; - - if (platform_device_add(jazz_sonic_device)) { - platform_device_put(jazz_sonic_device); - jazz_sonic_device = NULL; - } - - return 0; - -out_unregister: - platform_driver_unregister(&jazz_sonic_driver); - - return -ENOMEM; -} - -static void __exit jazz_sonic_cleanup_module(void) -{ - platform_driver_unregister(&jazz_sonic_driver); - - if (jazz_sonic_device) { - platform_device_unregister(jazz_sonic_device); - jazz_sonic_device = NULL; - } -} - -module_init(jazz_sonic_init_module); -module_exit(jazz_sonic_cleanup_module); |