diff options
Diffstat (limited to 'target/linux/rdc/patches-2.6.23/002-r6040_ethernet.patch')
| -rw-r--r-- | target/linux/rdc/patches-2.6.23/002-r6040_ethernet.patch | 1090 |
1 files changed, 1090 insertions, 0 deletions
diff --git a/target/linux/rdc/patches-2.6.23/002-r6040_ethernet.patch b/target/linux/rdc/patches-2.6.23/002-r6040_ethernet.patch new file mode 100644 index 000000000..8ff6af1c7 --- /dev/null +++ b/target/linux/rdc/patches-2.6.23/002-r6040_ethernet.patch @@ -0,0 +1,1090 @@ +diff -urN linux-2.6.17/drivers/net/Kconfig linux-2.6.17.new/drivers/net/Kconfig +--- linux-2.6.17/drivers/net/Kconfig 2006-06-18 03:49:35.000000000 +0200 ++++ linux-2.6.17.new/drivers/net/Kconfig 2006-09-25 13:14:27.000000000 +0200 +@@ -1358,6 +1358,24 @@ + <file:Documentation/networking/net-modules.txt>. The module will be + called apricot. + ++config R6040 ++ tristate "RDC Fast-Ethernet support (EXPERIMENTAL)" ++ depends on NET_PCI && EXPERIMENTAL ++ select MII ++ help ++ If you have a network (Ethernet) controller of this type, say Y and ++ read the Ethernet-HOWTO, available from ++ <http://www.tldp.org/docs.html#howto>. ++ ++ To compile this driver as a module, choose M here and read ++ <file:Documentation/networking/net-modules.txt>. The module will be ++ called r6040. ++ ++ ++config R6040_NAPI ++ bool "NAPI support for R6040" ++ depends on R6040 ++ default y + config B44 + tristate "Broadcom 4400 ethernet support (EXPERIMENTAL)" + depends on NET_PCI && PCI && EXPERIMENTAL +diff -urN linux-2.6.17/drivers/net/Makefile linux-2.6.17.new/drivers/net/Makefile +--- linux-2.6.17/drivers/net/Makefile 2006-06-18 03:49:35.000000000 +0200 ++++ linux-2.6.17.new/drivers/net/Makefile 2006-09-25 13:14:45.000000000 +0200 +@@ -106,6 +106,7 @@ + obj-$(CONFIG_NE3210) += ne3210.o 8390.o + obj-$(CONFIG_NET_SB1250_MAC) += sb1250-mac.o + obj-$(CONFIG_B44) += b44.o ++obj-$(CONFIG_R6040) += r6040.o + obj-$(CONFIG_FORCEDETH) += forcedeth.o + obj-$(CONFIG_NE_H8300) += ne-h8300.o 8390.o +diff -urN linux-2.6.23/drivers/net/r6040.c linux-2.6.23.new/drivers/net/r6040.c +--- linux-2.6.23/drivers/net/r6040.c 2006-06-18 03:49:35.000000000 +0200 ++++ linux-2.6.23.new/drivers/net/r6040.c 2006-09-25 13:14:45.000000000 +0200 +@@ -0,0 +1,1048 @@ ++/* r6040.c: A RDC R6040 FastEthernet driver for linux. */ ++/* ++ Re-written 2004 by Sten Wang. ++ ++ Copyright 1994-2000 by Donald Becker. ++ Copyright 1993 United States Government as represented by the ++ Director, National Security Agency. This software may be used and ++ distributed according to the terms of the GNU General Public License, ++ incorporated herein by reference. ++ ++ This driver is for RDC R6040 FastEthernet MAC series. ++ For kernel version after 2.4.22 ++ ++ Modification List ++ ---------- ------------------------------------------------ ++ 10-07-2007 Clean up the driver using checkpatch ++ 08-24-2006 Support at linux 2.6.10 above ++ 03-24-2006 Support NAPI ++ 03-21-2006 By Charies,change spin_lock_irqsave(lp->lock, flags) ++ to spin_lock_irqsave(&lp->lock, flags) ++ in set_multicast_list ++ 03-15-2006 Modify the set_multicast_list ,due to when re-plug the ethernet, ++ it will forget the previous setting ++ 07-12-2005 Tim, modify the set_multicast_list ++ 03-28-2005 Tim, modify some error mac register offset in ++ function set_multicast_list ++ 03-27-2005 Tim, Add the internal state machine reset ++ Sten, If multicast address more than 4, enter PROM mode ++ Changed rdc to r6040 ++ 12-22-2004 Sten Init MAC MBCR register=0x012A ++ PHY_CAP = 0x01E1 ++ ++ Need to Do LIst: ++ 1. If multicast address more than 4, use the multicast address hash ++*/ ++ ++#define DRV_NAME "r6040" ++#define DRV_VERSION "0.13" ++#define DRV_RELDATE "24Aug2006" ++ ++/* PHY CHIP Address */ ++#define PHY1_ADDR 1 /* For MAC1 */ ++#define PHY2_ADDR 2 /* For MAC2 */ ++#define PHY_MODE 0x3100 /* PHY CHIP Register 0 */ ++#define PHY_CAP 0x01E1 /* PHY CHIP Register 4 */ ++ ++/* Time in jiffies before concluding the transmitter is hung. */ ++#define TX_TIMEOUT (6000 * HZ / 1000) ++#define TIMER_WUT (jiffies + HZ * 1)/* timer wakeup time : 1 second */ ++ ++/* RDC MAC ID */ ++#define RDC_MAC_ID 0x6040 ++ ++/* RDC MAC I/O Size */ ++#define R6040_IO_SIZE 256 ++ ++/* RDC Chip PCI Command */ ++#define R6040_PCI_CMD 0x0005 /* IO, Master */ ++ ++/* MAX RDC MAC */ ++#define MAX_MAC 2 ++ ++/* MAC setting */ ++#define TX_DCNT 0x80 /* TX descriptor count */ ++#define RX_DCNT 0x80 /* RX descriptor count */ ++#define MAX_BUF_SIZE 0x600 ++#define ALLOC_DESC_SIZE ((TX_DCNT+RX_DCNT)*sizeof(struct r6040_descriptor)+0x10) ++#define MBCR_DEFAULT 0x012A /* MAC Bus Control Register */ ++ ++/* PHY settings */ ++#define ICPLUS_PHY_ID 0x0243 ++ ++/* Debug enable or not */ ++#define RDC_DEBUG 0 ++ ++#if RDC_DEBUG > 1 ++#define RDC_DBUG(msg, value) printk(KERN_ERR "%s %x\n", msg, value); ++#else ++#define RDC_DBUG(msg, value) ++#endif ++ ++ ++#include <linux/module.h> ++#include <linux/version.h> ++#if LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 0) ++#include <linux/moduleparam.h> ++#endif ++#include <linux/kernel.h> ++#include <linux/string.h> ++#include <linux/timer.h> ++#include <linux/errno.h> ++#include <linux/ioport.h> ++#include <linux/slab.h> ++#include <linux/interrupt.h> ++#include <linux/pci.h> ++#include <linux/netdevice.h> ++#include <linux/etherdevice.h> ++#include <linux/skbuff.h> ++#include <linux/init.h> ++#include <linux/delay.h> ++#include <linux/mii.h> ++#include <linux/ethtool.h> ++#include <linux/crc32.h> ++#include <linux/spinlock.h> ++ ++#include <asm/processor.h> ++#include <asm/bitops.h> ++#include <asm/io.h> ++#include <asm/irq.h> ++#include <asm/uaccess.h> ++ ++MODULE_AUTHOR("Sten Wang <sten.wang@rdc.com.tw>, Daniel Gimpelevich <daniel@gimpelevich.san-francisco.ca.us>, Florian Fainelli <florian@openwrt.org>"); ++MODULE_LICENSE("GPL"); ++#ifdef CONFIG_R6040_NAPI ++MODULE_DESCRIPTION("RDC R6040 NAPI PCI FastEthernet Driver"); ++#else ++MODULE_DESCRIPTION("RDC R6040 PCI FastEthernet Driver"); ++#endif ++ ++#define R6040_INT_MASK 0x0011 ++ ++struct r6040_descriptor { ++ u16 status, len; /* 0-3 */ ++ u32 buf; /* 4-7 */ ++ u32 ndesc; /* 8-B */ ++ u32 rev1; /* C-F */ ++ char *vbufp; /* 10-13 */ ++ struct r6040_descriptor *vndescp; /* 14-17 */ ++ struct sk_buff *skb_ptr; /* 18-1B */ ++ u32 rev2; /* 1C-1F */ ++} __attribute__((aligned(32))); ++ ++struct r6040_private { ++ struct net_device_stats stats; ++ spinlock_t lock; /* driver lock */ ++ struct timer_list timer; ++ struct pci_dev *pdev; ++ ++ struct r6040_descriptor *rx_insert_ptr; ++ struct r6040_descriptor *rx_remove_ptr; ++ struct r6040_descriptor *tx_insert_ptr; ++ struct r6040_descriptor *tx_remove_ptr; ++ u16 tx_free_desc, rx_free_desc, phy_addr, phy_mode; ++ u16 mcr0, mcr1; ++ dma_addr_t desc_dma; ++ char *desc_pool; ++ u16 switch_sig; ++}; ++ ++struct r6040_chip_info { ++ const char *name; ++ u16 pci_flags; ++ int io_size; ++ int drv_flags; ++}; ++ ++#ifdef CONFIG_R6040_NAPI ++static int NAPI_status; ++#endif ++ ++static int __devinitdata printed_version; ++#ifdef CONFIG_R6040_NAPI ++static char version[] __devinitdata = ++ KERN_INFO DRV_NAME ": RDC R6040 NAPI net driver, version "DRV_VERSION " (" DRV_RELDATE ")\n"; ++#else ++static char version[] __devinitdata = ++ KERN_INFO DRV_NAME ": RDC R6040 net driver, version "DRV_VERSION " (" DRV_RELDATE ")\n"; ++#endif ++static struct r6040_chip_info r6040_chip_info[] __devinitdata = ++{ ++ { "RDC R6040 Knight", R6040_PCI_CMD, R6040_IO_SIZE, 0} ++}; ++static char *parent; ++ ++#if LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 0) ++static int NUM_MAC_TABLE = 2 ; ++module_param(parent, charp, 0444); ++#else ++MODULE_PARM(parent, "s"); ++#endif ++MODULE_PARM_DESC(parent, "Parent network device name"); ++ ++static int phy_table[] = { 0x1, 0x2}; ++static u8 adr_table[2][8] = { ++ {0x00, 0x00, 0x60, 0x00, 0x00, 0x01}, ++ {0x00, 0x00, 0x60, 0x00, 0x00, 0x02} ++}; ++ ++#if LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 10) ++ module_param_array(adr_table, int, &NUM_MAC_TABLE, 0644); ++#elif LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 0) ++ module_param_array(adr_table, int, NUM_MAC_TABLE, 0644); ++#else ++ MODULE_PARM(adr_table, "2-4i"); ++#endif ++MODULE_PARM_DESC(adr_table, "MAC Address (assigned)"); ++ ++static int r6040_open(struct net_device *dev); ++static int r6040_start_xmit(struct sk_buff *skb, struct net_device *dev); ++static irqreturn_t r6040_interrupt(int irq, void *dev_id); ++static struct net_device_stats *r6040_get_stats(struct net_device *dev); ++static int r6040_close(struct net_device *dev); ++static void set_multicast_list(struct net_device *dev); ++static struct ethtool_ops netdev_ethtool_ops; ++static int netdev_ioctl (struct net_device *dev, struct ifreq *rq, int cmd); ++static void r6040_down(struct net_device *dev); ++static void r6040_up(struct net_device *dev); ++static void r6040_tx_timeout (struct net_device *dev); ++static void r6040_timer(unsigned long); ++ ++static int phy_mode_chk(struct net_device *dev); ++static int phy_read(int ioaddr, int phy_adr, int reg_idx); ++static void phy_write(int ioaddr, int phy_adr, int reg_idx, int dat); ++static void rx_buf_alloc(struct r6040_private *lp, struct net_device *dev); ++#ifdef CONFIG_R6040_NAPI ++static int r6040_poll(struct net_device *netdev, int *budget); ++#endif ++ ++ ++static int __devinit r6040_init_one (struct pci_dev *pdev, ++ const struct pci_device_id *ent) ++{ ++ struct net_device *dev; ++ struct r6040_private *lp; ++ int ioaddr, io_size, err; ++ static int card_idx = -1; ++ int chip_id = (int)ent->driver_data; ++ ++ RDC_DBUG("r6040_init_one()", 0); ++ ++ if (printed_version++) ++ printk(KERN_INFO "%s\n", version); ++ ++ err = pci_enable_device(pdev); ++ if (err) ++ return err; ++ ++ /* this should always be supported */ ++ if (pci_set_dma_mask(pdev, 0xffffffff)) { ++ printk(KERN_ERR DRV_NAME "32-bit PCI DMA addresses not supported by the card!?\n"); ++ return -ENODEV; ++ } ++ ++ /* IO Size check */ ++ io_size = r6040_chip_info[chip_id].io_size; ++ if (pci_resource_len (pdev, 0) < io_size) { ++ return -ENODEV; ++ } ++ ++ ioaddr = pci_resource_start (pdev, 0); /* IO map base address */ ++ pci_set_master(pdev); ++ ++ dev = alloc_etherdev(sizeof(struct r6040_private)); ++ if (dev == NULL) ++ return -ENOMEM; ++ SET_MODULE_OWNER(dev); ++ ++ if (pci_request_regions(pdev, DRV_NAME)) { ++ printk(KERN_ERR DRV_NAME ": Failed to request PCI regions\n"); ++ err = -ENODEV; ++ goto err_out_disable; ++ } ++ ++ /* Init system & device */ ++ lp = dev->priv; ++ dev->base_addr = ioaddr; ++ dev->irq = pdev->irq; ++ ++ spin_lock_init(&lp->lock); ++ pci_set_drvdata(pdev, dev); ++ ++ /* Set MAC address */ ++ card_idx++; ++ memcpy(dev->dev_addr, (u8 *)&adr_table[card_idx][0], 6); ++ ++ /* Link new device into r6040_root_dev */ ++ lp->pdev = pdev; ++ ++ /* Init RDC private data */ ++ lp->mcr0 = 0x1002; ++ lp->phy_addr = phy_table[card_idx]; ++ lp->switch_sig = 0; ++ ++ /* The RDC-specific entries in the device structure. */ ++ dev->open = &r6040_open; ++ dev->hard_start_xmit = &r6040_start_xmit; ++ dev->stop = &r6040_close; ++ dev->get_stats = &r6040_get_stats; ++ dev->set_multicast_list = &set_multicast_list; ++ dev->do_ioctl = &netdev_ioctl; ++ dev->ethtool_ops = &netdev_ethtool_ops; ++ dev->tx_timeout = &r6040_tx_timeout; ++ dev->watchdog_timeo = TX_TIMEOUT; ++#ifdef CONFIG_R6040_NAPI ++ dev->poll = &r6040_poll; ++ dev->weight = 64; ++#endif ++ ++ /* Register net device. After this dev->name assign */ ++ err = register_netdev(dev); ++ if (err) { ++ printk(KERN_ERR DRV_NAME ": Failed to register net device\n"); ++ goto err_out_res; ++ } ++ ++ netif_carrier_on(dev); ++ return 0; ++ ++err_out_res: ++ pci_release_regions(pdev); ++err_out_disable: ++ pci_disable_device(pdev); ++ pci_set_drvdata(pdev, NULL); ++ kfree(dev); ++ ++ return err; ++} ++ ++static void __devexit r6040_remove_one (struct pci_dev *pdev) ++{ ++ struct net_device *dev = pci_get_drvdata(pdev); ++ ++ unregister_netdev(dev); ++ pci_release_regions(pdev); ++ kfree(dev); ++ pci_disable_device(pdev); ++ pci_set_drvdata(pdev, NULL); ++} ++ ++static int ++r6040_open(struct net_device *dev) ++{ ++ struct r6040_private *lp = dev->priv; ++ int i; ++ ++ RDC_DBUG("r6040_open()", 0); ++ ++ /* Request IRQ and Register interrupt handler */ ++ i = request_irq(dev->irq, &r6040_interrupt, SA_SHIRQ, dev->name, dev); ++ if (i) return i; ++ ++ /* Allocate Descriptor memory */ ++ lp->desc_pool = pci_alloc_consistent(lp->pdev, ALLOC_DESC_SIZE, &lp->desc_dma); ++ if (!lp->desc_pool) ++ return -ENOMEM; ++ ++ r6040_up(dev); ++ ++ netif_start_queue(dev); ++ ++ if (lp->switch_sig != ICPLUS_PHY_ID) { ++ /* set and active a timer process */ ++ init_timer(&lp->timer); ++ lp->timer.expires = TIMER_WUT; ++ lp->timer.data = (unsigned long)dev; ++ lp->timer.function = &r6040_timer; ++ add_timer(&lp->timer); ++ } ++ return 0; ++} ++ ++static void ++r6040_tx_timeout (struct net_device *dev) ++{ ++ struct r6040_private *lp = dev->priv; ++ /* int ioaddr = dev->base_addr; ++ struct r6040_descriptor *descptr = lp->tx_remove_ptr; */ ++ ++ RDC_DBUG("r6040_tx_timeout()", 0); ++ ++ /* Transmitter timeout, serious problems. */ ++ /* Sten: Nothing need to do so far. */ ++ printk(KERN_ERR DRV_NAME ": Big Trobule, transmit timeout/n"); ++ lp->stats.tx_errors++; ++ netif_stop_queue(dev); ++ ++//printk("<RDC> XMT timedout: CR0 %x, CR40 %x, CR3C %x, CR2C %x, CR30 %x, CR34 %x, CR38 %x\n", inw(ioaddr), inw(ioaddr+0x40), inw(ioaddr+0x3c), inw(ioaddr+0x2c), inw(ioaddr+0x30), inw(ioaddr+0x34), inw(ioaddr+0x38)); ++ ++//printk("<RDC> XMT_TO: %08lx:%04x %04x %08lx %08lx %08lx %08lx\n", descptr, descptr->status, descptr->len, descptr->buf, descptr->skb_ptr, descptr->ndesc, descptr->vndescp); ++} ++ ++ ++static int ++r6040_start_xmit(struct sk_buff *skb, struct net_device *dev) ++{ ++ struct r6040_private *lp = dev->priv; ++ struct r6040_descriptor *descptr; ++ int ioaddr = dev->base_addr; ++ unsigned long flags; ++ ++ RDC_DBUG("r6040_start_xmit()", 0); ++ ++ if (skb == NULL) /* NULL skb directly return */ ++ return 0; ++ if (skb->len >= MAX_BUF_SIZE) { /* Packet too long, drop it */ ++ dev_kfree_skb(skb); ++ return 0; ++ } ++ ++ /* Critical Section */ ++ spin_lock_irqsave(&lp->lock, flags); ++ ++ /* TX resource check */ ++ if (!lp->tx_free_desc) { ++ spin_unlock_irqrestore(&lp->lock, flags); ++ printk(KERN_ERR DRV_NAME ": NO TX DESC "); ++ return 1; ++ } ++ ++ /* Statistic Counter */ ++ lp->stats.tx_packets++; ++ lp->stats.tx_bytes += skb->len; ++ ++ /* Set TX descriptor & Transmit it */ ++ lp->tx_free_desc--; ++ descptr = lp->tx_insert_ptr; ++ if (skb->len < 0x3c) ++ descptr->len = 0x3c; ++ else ++ descptr->len = skb->len; ++ ++ descptr->skb_ptr = skb; ++ descptr->buf = cpu_to_le32(pci_map_single(lp->pdev, skb->data, skb->len, PCI_DMA_TODEVICE)); ++ descptr->status = 0x8000; ++ outw(0x01, ioaddr + 0x14); ++ lp->tx_insert_ptr = descptr->vndescp; ++ ++#if RDC_DEBUG ++ printk("Xmit(): %08lx:%04x %04x %08lx %08lx %08lx %08lx\n", descptr, descptr->status, descptr->len, descptr->buf, descptr->skb_ptr, descptr->ndesc, descptr->vndescp); ++#endif ++ ++ /* If no tx resource, stop */ ++ if (!lp->tx_free_desc) ++ netif_stop_queue(dev); ++ ++ dev->trans_start = jiffies; ++ spin_unlock_irqrestore(&lp->lock, flags); ++ return 0; ++} ++ ++/* The RDC interrupt handler. */ ++static irqreturn_t ++r6040_interrupt(int irq, void *dev_id) ++{ ++ struct net_device *dev = dev_id; ++ struct r6040_private *lp; ++ struct r6040_descriptor *descptr; ++ struct sk_buff *skb_ptr; ++ int ioaddr, status; ++ unsigned long flags; ++#ifdef CONFIG_R6040_NAPI ++ int handled = 1; ++#else ++ int handled = 0; ++#endif ++ ++ RDC_DBUG("r6040_interrupt()", 0); ++ if (dev == NULL) { ++ printk (KERN_ERR DRV_NAME ": INT() unknown device.\n"); ++ return IRQ_RETVAL(handled); ++ } ++ ++ lp = (struct r6040_private *)dev->priv; ++ spin_lock_irqsave(&lp->lock, flags); ++ ++ /* Check MAC Interrupt status */ ++ ioaddr = dev->base_addr; ++ outw(0x0, ioaddr + 0x40); /* Mask Off RDC MAC interrupt */ ++ status = inw(ioaddr + 0x3c); /* Read INTR status and clear */ ++ ++ ++#ifdef CONFIG_R6040_NAPI ++ if (netif_rx_schedule_prep(dev)) { ++ NAPI_status = status; ++ __netif_rx_schedule(dev); ++ } ++ ++ spin_unlock_irqrestore(&lp->lock, flags); ++ return IRQ_RETVAL(handled); ++#else ++ /* TX interrupt request */ ++ if (status & 0x10) { ++ handled = 1; ++ descptr = lp->tx_remove_ptr; ++ while (lp->tx_free_desc < TX_DCNT) { ++ if (descptr->status & 0x8000) ++ break; /* Not complte */ ++ skb_ptr = descptr->skb_ptr; ++ pci_unmap_single(lp->pdev, descptr->buf, skb_ptr->len, PCI_DMA_TODEVICE); ++ dev_kfree_skb_irq(skb_ptr); /* Free buffer */ ++ descptr->skb_ptr = 0; ++ descptr = descptr->vndescp; /* To next descriptor */ ++ lp->tx_free_desc++; ++ } ++ lp->tx_remove_ptr = descptr; ++ if (lp->tx_free_desc) ++ netif_wake_queue(dev); ++ } ++ ++ /* RX interrupt request */ ++ if (status & 0x01) { ++ handled = 1; ++ descptr = lp->rx_remove_ptr; ++ while(lp->rx_free_desc) { ++ if (descptr->status & 0x8000) break; /* No Rx packet */ ++ skb_ptr = descptr->skb_ptr; ++ descptr->skb_ptr = 0; ++ skb_ptr->dev = dev; ++ skb_put(skb_ptr, descptr->len - 4); ++ pci_unmap_single(lp->pdev, descptr->buf, MAX_BUF_SIZE, PCI_DMA_FROMDEVICE); ++ skb_ptr->protocol = eth_type_trans(skb_ptr, dev); ++ netif_rx(skb_ptr); /* Send to upper layer */ ++ lp->stats.rx_packets++; ++ lp->stats.rx_bytes += descptr->len; ++ descptr = descptr->vndescp; /* To next descriptor */ ++ lp->rx_free_desc--; ++ } ++ lp->rx_remove_ptr = descptr; ++ } ++ ++ /* Allocate new RX buffer */ ++ if (lp->rx_free_desc < RX_DCNT) rx_buf_alloc(lp,dev); ++ ++ outw(R6040_INT_MASK, ioaddr + 0x40); /* TX/RX interrupt enable */ ++ spin_unlock_irqrestore(&lp->lock, flags); ++#endif ++ return IRQ_RETVAL(handled); ++} ++ ++ ++static struct net_device_stats * ++r6040_get_stats(struct net_device *dev) ++{ ++ struct r6040_private *lp = dev->priv; ++ ++ RDC_DBUG("r6040_get_stats()", 0); ++ return &lp->stats; ++} ++ ++/* ++ * Set or clear the multicast filter for this adaptor. ++ */ ++static void ++set_multicast_list(struct net_device *dev) ++{ ++ struct r6040_private *lp = dev->priv; ++ struct dev_mc_list *mcptr; ++ int ioaddr = dev->base_addr; ++ u16 *adrp, i; ++ unsigned long flags; ++ ++ RDC_DBUG("set_multicast_list()", 0); ++ ++ /* MAC Address */ ++ adrp = (u16 *) dev->dev_addr; ++ outw(adrp[0], ioaddr + 0x68); ++ outw(adrp[1], ioaddr + 0x6A); ++ outw(adrp[2], ioaddr + 0x6C); ++ ++ ++#if RDC_DEBUG ++ printk("MAC ADDR: %04x %04x %04x\n", adrp[0], adrp[1], adrp[2]); ++#endif ++ ++ /* Promiscous Mode */ ++ spin_lock_irqsave(&lp->lock, flags); ++ i = inw(ioaddr) & ~0x0120; /* Clear AMCP & PROM */ ++ if (dev->flags & IFF_PROMISC) { ++ i |= 0x0020; ++ lp->mcr0 |= 0x0020; ++ } ++ if (dev->mc_count > 4) ++ i |= 0x0020; /* Too many multicast address */ ++ ++ outw(i, ioaddr); ++ spin_unlock_irqrestore(&lp->lock, flags); ++ ++ /* Multicast Address */ ++ if (dev->mc_count > 4) /* Wait to do: Hash Table for multicast */ ++ return; ++ ++ /* Multicast Address 1~4 case */ ++ for (i = 0, mcptr = dev->mc_list; (i < dev->mc_count) && (i < 4); i++) { ++ adrp = (u16 *)mcptr->dmi_addr; ++ outw(adrp[0], ioaddr + 0x70 + 8*i); ++ outw(adrp[1], ioaddr + 0x72 + 8*i); ++ outw(adrp[2], ioaddr + 0x74 + 8*i); ++ mcptr = mcptr->next; ++#if RDC_DEBUG ++ printk("M_ADDR: %04x %04x %04x\n", adrp[0], adrp[1], adrp[2]); ++#endif ++ } ++ for (i = dev->mc_count; i < 4; i++) { ++ outw(0xffff, ioaddr + 0x68 + 8*i); ++ outw(0xffff, ioaddr + 0x6A + 8*i); ++ outw(0xffff, ioaddr + 0x6C + 8*i); ++ } ++} ++ ++static void netdev_get_drvinfo (struct net_device *dev, struct ethtool_drvinfo *info) ++{ ++ struct r6040_private *rp = dev->priv; ++ ++ strcpy (info->driver, DRV_NAME); ++ strcpy (info->version, DRV_VERSION); ++ strcpy (info->bus_info, pci_name(rp->pdev)); ++} ++ ++static struct ethtool_ops netdev_ethtool_ops = { ++ .get_drvinfo = netdev_get_drvinfo, ++}; ++ ++static int ++r6040_close(struct net_device *dev) ++{ ++ struct r6040_private *lp = dev->priv; ++ ++ RDC_DBUG("r6040_close()", 0); ++ ++ /* deleted timer */ ++ del_timer_sync(&lp->timer); ++ ++ spin_lock_irq(&lp->lock); ++ ++ netif_stop_queue(dev); ++ ++ r6040_down(dev); ++ ++ spin_unlock_irq(&lp->lock); ++ ++ return 0; ++} ++ ++static int netdev_ioctl (struct net_device *dev, struct ifreq *rq, int cmd) ++{ ++ struct r6040_private *lp = dev->priv; ++ ++ RDC_DBUG("netdev_ioctl()", 0); ++ ++ if (lp->switch_sig == ICPLUS_PHY_ID && cmd == SIOCDEVPRIVATE) { ++ unsigned long *data = (unsigned long *)rq->ifr_data, args[4]; ++ int ioaddr = dev->base_addr; ++ unsigned int val; ++ ++ data = (unsigned long *)rq->ifr_data; ++ if (copy_from_user(args, data, 4*sizeof(unsigned long))) ++ return -EFAULT; ++ ++ /* port priority */ ++ if(args[0]&(1<<31))phy_write(ioaddr, 29, 19, (phy_read(ioaddr, 29, 19) | 0x2000)); /* port 0 */ ++ if(args[0]&(1<<29))phy_write(ioaddr, 29, 19, (phy_read(ioaddr, 29, 19) | 0x0020)); /* port 1 */ ++ if(args[0]&(1<<27))phy_write(ioaddr, 29, 20, (phy_read(ioaddr, 29, 20) | 0x2000)); /* port 2 */ ++ if(args[0]&(1<<25))phy_write(ioaddr, 29, 20, (phy_read(ioaddr, 29, 20) | 0x0020)); /* port 3 */ ++ ++ } ++ return -EOPNOTSUPP; ++} ++ ++/** ++ Stop RDC MAC and Free the allocated resource ++ */ ++static void r6040_down(struct net_device *dev) ++{ ++ struct r6040_private *lp = dev->priv; ++ int i; ++ int ioaddr = dev->base_addr; ++ ++ RDC_DBUG("r6040_down()", 0); ++ ++ /* Stop MAC */ ++ outw(0x0000, ioaddr + 0x40); /* Mask Off Interrupt */ ++ outw(0x0001, ioaddr + 0x04); /* Reset RDC MAC */ ++ i = 0; ++ do{}while((i++ < 2048) && (inw(ioaddr + 0x04) & 0x1)); ++ ++ free_irq(dev->irq, dev); ++ ++ /* Free RX buffer */ ++ for (i = 0; i < RX_DCNT; i++) { ++ if (lp->rx_insert_ptr->skb_ptr) { ++ pci_unmap_single(lp->pdev, lp->rx_insert_ptr->buf, MAX_BUF_SIZE, PCI_DMA_FROMDEVICE); ++ dev_kfree_skb(lp->rx_insert_ptr->skb_ptr); ++ lp->rx_insert_ptr->skb_ptr = 0; ++ } ++ lp->rx_insert_ptr = lp->rx_insert_ptr->vndescp; ++ } ++ ++ /* Free TX buffer */ ++ for (i = 0; i < TX_DCNT; i++) { ++ if (lp->tx_insert_ptr->skb_ptr) { ++ pci_unmap_single(lp->pdev, lp->tx_insert_ptr->buf, MAX_BUF_SIZE, PCI_DMA_TODEVICE); ++ dev_kfree_skb(lp->tx_insert_ptr->skb_ptr); ++ lp->rx_insert_ptr->skb_ptr = 0; ++ } ++ lp->tx_insert_ptr = lp->tx_insert_ptr->vndescp; ++ } ++ ++ /* Free Descriptor memory */ ++ pci_free_consistent(lp->pdev, ALLOC_DESC_SIZE, lp->desc_pool, lp->desc_dma); ++} ++ ++ ++ ++#ifdef CONFIG_R6040_NAPI ++static int r6040_poll(struct net_device *dev, int *budget) ++{ ++ struct r6040_private *lp; ++ struct r6040_descriptor *descptr; ++ struct sk_buff *skb_ptr; ++ int ioaddr, status; ++ unsigned long flags; ++ ++ ++ ioaddr = dev->base_addr; ++ lp = (struct r6040_private *)dev->priv; ++ unsigned long rx_work = dev->quota; ++ unsigned long rx; ++#if 1 ++ /* TX interrupt request */ ++ if (NAPI_status & 0x10) { ++ descptr = lp->tx_remove_ptr; ++ while (lp->tx_free_desc < TX_DCNT) { ++ if (descptr->status & 0x8000) ++ break; /* Not complte */ ++ ++ skb_ptr = descptr->skb_ptr; ++ pci_unmap_single(lp->pdev, descptr->buf, skb_ptr->len, PCI_DMA_TODEVICE); ++ dev_kfree_skb_irq(skb_ptr); /* Free buffer */ ++ descptr->skb_ptr = 0; ++ descptr = descptr->vndescp; /* To next descriptor */ ++ lp->tx_free_desc++; ++ } ++ lp->tx_remove_ptr = descptr; ++ if (lp->tx_free_desc) netif_wake_queue(dev); ++ } ++#endif ++#if 1 ++ /* RX interrupt request */ ++ if (NAPI_status & 0x01) { ++ descptr = lp->rx_remove_ptr; ++ while (lp->rx_free_desc) { ++ if (descptr->status & 0x8000) ++ break; /* No Rx packet */ ++ skb_ptr = descptr->skb_ptr; ++ descptr->skb_ptr = 0; ++ skb_ptr->dev = dev; ++ skb_put(skb_ptr, descptr->len - 4); ++ pci_unmap_single(lp->pdev, descptr->buf, MAX_BUF_SIZE, PCI_DMA_FROMDEVICE); ++ skb_ptr->protocol = eth_type_trans(skb_ptr, dev); ++ netif_receive_skb(skb_ptr); /* Send to upper layer */ ++ lp->stats.rx_packets++; ++ lp->stats.rx_bytes += descptr->len; ++ descptr = descptr->vndescp; /* To next descriptor */ ++ lp->rx_free_desc--; ++ } ++ lp->rx_remove_ptr = descptr; ++ } ++ /* Allocate new RX buffer */ ++ if (lp->rx_free_desc < RX_DCNT) ++ rx_buf_alloc(lp, dev); ++ ++ local_irq_disable(); ++ netif_rx_complete(dev); ++ outw(R6040_INT_MASK, ioaddr + 0x40); ++ local_irq_enable(); ++ return 0; ++#endif ++} ++#endif ++ ++/* Init RDC MAC */ ++static void r6040_up(struct net_device *dev) ++{ ++ struct r6040_private *lp = dev->priv; ++ struct r6040_descriptor *descptr; ++ int i; ++ int ioaddr = dev->base_addr; ++ u32 tmp_addr; ++ dma_addr_t desc_dma, start_dma; ++ ++ RDC_DBUG("r6040_up()", 0); ++ ++ /* Initilize */ ++ lp->tx_free_desc = TX_DCNT; ++ lp->rx_free_desc = 0; ++ ++ /* Init descriptor */ ++ memset(lp->desc_pool, 0, ALLOC_DESC_SIZE); /* Let all descriptor = 0 */ ++ lp->tx_insert_ptr = (struct r6040_descriptor *)lp->desc_pool; ++ lp->tx_remove_ptr = lp->tx_insert_ptr; ++ lp->rx_insert_ptr = (struct r6040_descriptor *)lp->tx_insert_ptr+TX_DCNT; ++ lp->rx_remove_ptr = lp->rx_insert_ptr; ++ ++ /* Init TX descriptor */ ++ descptr = lp->tx_insert_ptr; ++ desc_dma = lp->desc_dma; ++ start_dma = desc_dma; ++ for (i = 0; i < TX_DCNT; i++) { ++ descptr->ndesc = cpu_to_le32(desc_dma + sizeof(struct r6040_descriptor)); ++ descptr->vndescp = (descptr + 1); ++ descptr = (descptr + 1); ++ desc_dma += sizeof(struct r6040_descriptor); ++ } ++ (descptr - 1)->ndesc = cpu_to_le32(start_dma); ++ (descptr - 1)->vndescp = lp->tx_insert_ptr; ++ ++ /* Init RX descriptor */ ++ start_dma = desc_dma; ++ descptr = lp->rx_insert_ptr; ++ for (i = 0; i < RX_DCNT; i++) { ++ descptr->ndesc = cpu_to_le32(desc_dma + sizeof(struct r6040_descriptor)); ++ descptr->vndescp = (descptr + 1); ++ descptr = (descptr + 1); ++ desc_dma += sizeof(struct r6040_descriptor); ++ } ++ (descptr - 1)->ndesc = cpu_to_le32(start_dma); ++ (descptr - 1)->vndescp = lp->rx_insert_ptr; ++ ++ /* Allocate buffer for RX descriptor */ ++ rx_buf_alloc(lp, dev); ++ ++#if RDC_DEBUG ++descptr = lp->tx_insert_ptr; ++for (i = 0; i < TX_DCNT; i++) { ++ printk("%08lx:%04x %04x %08lx %08lx %08lx %08lx\n", descptr, descptr->status, descptr->len, descptr->buf, descptr->skb_ptr, descptr->ndesc, descptr->vndescp); ++ descptr = descptr->vndescp; ++} ++descptr = lp->rx_insert_ptr; ++for (i = 0; i < RX_DCNT; i++) { ++ printk("%08lx:%04x %04x %08lx %08lx %08lx %08lx\n", descptr, descptr->status, descptr->len, descptr->buf, descptr->skb_ptr, descptr->ndesc, descptr->vndescp); ++ descptr = descptr->vndescp; ++} ++#endif ++ ++ /* MAC operation register */ ++ outw(0x01, ioaddr+0x04); /* Reset MAC */ ++ outw(2, ioaddr+0xAC); /* Reset internal state machine */ ++ outw(0, ioaddr+0xAC); ++ udelay(5000); ++ ++ /* TX and RX descriptor start Register */ ++ tmp_addr = cpu_to_le32(lp->tx_insert_ptr); ++ tmp_addr = virt_to_bus((volatile void *)tmp_addr); ++ outw((u16) tmp_addr, ioaddr+0x2c); ++ outw(tmp_addr >> 16, ioaddr+0x30); ++ tmp_addr = cpu_to_le32(lp->rx_insert_ptr); ++ tmp_addr = virt_to_bus((volatile void *)tmp_addr); ++ outw((u16) tmp_addr, ioaddr+0x34); ++ outw(tmp_addr >> 16, ioaddr+0x38); ++ ++ /* Buffer Size Register */ ++ outw(MAX_BUF_SIZE, ioaddr+0x18); ++ ++ if ((lp->switch_sig = phy_read(ioaddr, 0, 2)) == ICPLUS_PHY_ID) { ++ phy_write(ioaddr, 29,31, 0x175C); /* Enable registers */ ++ lp->phy_mode = 0x8000; ++ } else { ++ /* PHY Mode Check */ ++ phy_write(ioaddr, lp->phy_addr, 4, PHY_CAP); ++ phy_write(ioaddr, lp->phy_addr, 0, PHY_MODE); ++ ++ if (PHY_MODE == 0x3100) ++ lp->phy_mode = phy_mode_chk(dev); ++ else ++ lp->phy_mode = (PHY_MODE & 0x0100) ? 0x8000:0x0; ++ } ++ /* MAC Bus Control Register */ ++ outw(MBCR_DEFAULT, ioaddr+0x8); ++ ++ /* MAC TX/RX Enable */ ++ lp->mcr0 |= lp->phy_mode; ++ outw(lp->mcr0, ioaddr); ++ ++ /* set interrupt waiting time and packet numbers */ ++ outw(0x0802, ioaddr + 0x0C); ++ outw(0x0802, ioaddr + 0x10); ++ ++ /* upgrade performance (by RDC guys) */ ++ phy_write(ioaddr, 30, 17, (phy_read(ioaddr, 30, 17) | 0x4000)); //bit 14=1 ++ phy_write(ioaddr, 30, 17, ~((~phy_read(ioaddr, 30, 17)) | 0x2000)); //bit 13=0 ++ phy_write(ioaddr, 0, 19, 0x0000); ++ phy_write(ioaddr, 0, 30, 0x01F0); ++ ++ /* Interrupt Mask Register */ ++ outw(R6040_INT_MASK, ioaddr + 0x40); ++} ++ ++/* ++ A periodic timer routine ++ Polling PHY Chip Link Status ++*/ ++static void r6040_timer(unsigned long data) ++{ ++ struct net_device *dev = (struct net_device *)data; ++ struct r6040_private *lp = dev->priv; ++ u16 ioaddr = dev->base_addr, phy_mode; ++ ++ RDC_DBUG("r6040_timer()", 0); ++ ++ /* Polling PHY Chip Status */ ++ if (PHY_MODE == 0x3100) ++ phy_mode = phy_mode_chk(dev); ++ else ++ phy_mode = (PHY_MODE & 0x0100) ? 0x8000:0x0; ++ ++ if (phy_mode != lp->phy_mode) { ++ lp->phy_mode = phy_mode; ++ lp->mcr0 = (lp->mcr0 & 0x7fff) | phy_mode; ++ outw(lp->mcr0, ioaddr); ++ printk(KERN_INFO "Link Change %x \n", inw(ioaddr)); ++ } ++ ++ /* Debug */ ++// printk("<RDC> Timer: CR0 %x CR40 %x CR3C %x\n", inw(ioaddr), inw(ioaddr+0x40), inw(ioaddr+0x3c)); ++ ++ /* Timer active again */ ++ lp->timer.expires = TIMER_WUT; ++ add_timer(&lp->timer); ++} ++ ++/* Allocate skb buffer for rx descriptor */ ++static void rx_buf_alloc(struct r6040_private *lp, struct net_device *dev) ++{ ++ struct r6040_descriptor *descptr; ++ int ioaddr = dev->base_addr ; ++ ++ RDC_DBUG("rx_buf_alloc()", 0); ++ ++ descptr = lp->rx_insert_ptr; ++ while (lp->rx_free_desc < RX_DCNT) { ++ descptr->skb_ptr = dev_alloc_skb(MAX_BUF_SIZE); ++ ++ if (!descptr->skb_ptr) ++ break; ++ descptr->buf = cpu_to_le32(pci_map_single(lp->pdev, descptr->skb_ptr->tail, MAX_BUF_SIZE, PCI_DMA_FROMDEVICE)); ++ descptr->status = 0x8000; ++ descptr = descptr->vndescp; ++ lp->rx_free_desc++; ++ outw(lp->mcr0 | 0x0002, ioaddr); /* Trigger Rx DMA */ ++ } ++ lp->rx_insert_ptr = descptr; ++} ++ ++/* Status of PHY CHIP */ ++static int phy_mode_chk(struct net_device *dev) ++{ ++ struct r6040_private *lp = dev->priv; ++ int ioaddr = dev->base_addr, phy_dat; ++ ++ RDC_DBUG("phy_mode_chk()", 0); ++ ++ /* PHY Link Status Check */ ++ phy_dat = phy_read(ioaddr, lp->phy_addr, 1); ++ if (!(phy_dat & 0x4)) ++ return 0x8000; /* Link Failed, full duplex */ ++ ++ /* PHY Chip Auto-Negotiation Status */ ++ phy_dat = phy_read(ioaddr, lp->phy_addr, 1); ++ if (phy_dat & 0x0020) { ++ /* Auto Negotiation Mode */ ++ phy_dat = phy_read(ioaddr, lp->phy_addr, 5); ++ phy_dat &= phy_read(ioaddr, lp->phy_addr, 4); ++ if (phy_dat & 0x140) ++ phy_dat = 0x8000; ++ else ++ phy_dat = 0; ++ } else { ++ /* Force Mode */ ++ phy_dat = phy_read(ioaddr, lp->phy_addr, 0); ++ if (phy_dat & 0x100) phy_dat = 0x8000; ++ else phy_dat = 0x0000; ++ } ++ ++ return phy_dat; ++}; ++ ++/* Read a word data from PHY Chip */ ++static int phy_read(int ioaddr, int phy_addr, int reg_idx) ++{ ++ int i = 0; ++ ++ RDC_DBUG("phy_read()", 0); ++ outw(0x2000 + reg_idx + (phy_addr << 8), ioaddr + 0x20); ++ do {} while ((i++ < 2048) && (inw(ioaddr + 0x20) & 0x2000)); ++ ++ return inw(ioaddr + 0x24); ++} ++ ++/* Write a word data from PHY Chip */ ++static void phy_write(int ioaddr, int phy_addr, int reg_idx, int dat) ++{ ++ int i = 0; ++ ++ RDC_DBUG("phy_write()", 0); ++ outw(dat, ioaddr + 0x28); ++ outw(0x4000 + reg_idx + (phy_addr << 8), ioaddr + 0x20); ++ do{}while( (i++ < 2048) && (inw(ioaddr + 0x20) & 0x4000) ); ++} ++ ++enum { ++ RDC_6040 = 0 ++}; ++ ++static struct pci_device_id r6040_pci_tbl[] = { ++ {PCI_VENDOR_ID_RDC, PCI_DEVICE_ID_RDC_R6040, PCI_ANY_ID, PCI_ANY_ID, 0, 0, RDC_6040}, ++ /*{0x1106, 0x3065, PCI_ANY_ID, PCI_ANY_ID, 0, 0, RDC_6040},*/ ++ {0,} ++}; ++MODULE_DEVICE_TABLE(pci, r6040_pci_tbl); ++ ++static struct pci_driver r6040_driver = { ++ .name = "r6040", ++ .id_table = r6040_pci_tbl, ++ .probe = r6040_init_one, ++ .remove = __devexit_p(r6040_remove_one), ++}; ++ ++ ++static int __init r6040_init (void) ++{ ++ RDC_DBUG("r6040_init()", 0); ++ ++ printk(KERN_INFO "%s\n", version); ++ printed_version = 1; ++ ++ if (parent != NULL) { ++ struct net_device *the_parent = dev_get_by_name(parent); ++ ++ if (the_parent == NULL) { ++ printk (KERN_ERR DRV_NAME ": Unknown device \"%s\" specified.\n", parent); ++ return -EINVAL; ++ } ++ memcpy((u8 *)&adr_table[0][0], the_parent->dev_addr, 6); ++ memcpy((u8 *)&adr_table[1][0], the_parent->dev_addr, 6); ++ ++*(u8 *)&adr_table[0][5]; ++ } ++ return pci_register_driver (&r6040_driver); ++} ++ ++ ++static void __exit r6040_cleanup (void) ++{ ++ RDC_DBUG("r6040_cleanup()", 0); ++ pci_unregister_driver (&r6040_driver); ++} ++ ++module_init(r6040_init); ++module_exit(r6040_cleanup); |