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Subject[PATCH] wanXL serial card driver for 2.6.0-test5
From
Date
Hi,

This is a driver for SBE Inc. wanXL 4-port sync serial card, second
version. Please apply to 2.6.0-test tree. Thanks.
--
Krzysztof Halasa, B*FH
--- linux-2.6.orig/drivers/net/wan/Makefile 2003-08-09 06:37:29.000000000 +0200
+++ linux-2.6/drivers/net/wan/Makefile 2003-09-13 16:37:07.000000000 +0200
@@ -66,3 +66,25 @@
endif
obj-$(CONFIG_N2) += n2.o
obj-$(CONFIG_C101) += c101.o
+obj-$(CONFIG_WANXL) += wanxl.o
+
+ifeq ($(CONFIG_WANXL_BUILD_FIRMWARE),y)
+ifeq ($(ARCH),m68k)
+ AS68K = $(AS)
+ LD68K = $(LD)
+else
+ AS68K = as68k
+ LD68K = ld68k
+endif
+
+quiet_cmd_build_wanxlfw = BLD FW $@
+ cmd_build_wanxlfw = \
+ $(CPP) -Wp,-MD,$(depfile) -Iinclude $(obj)/wanxlfw.S | $(AS68K) -m68360 -o $(obj)/wanxlfw.o; \
+ $(LD68K) --oformat binary -Ttext 0x1000 $(obj)/wanxlfw.o -o $(obj)/wanxlfw.bin; \
+ hexdump -ve '"\n" 16/1 "0x%02X,"' $(obj)/wanxlfw.bin | sed 's/0x ,//g;1s/^/static u8 firmware[]={/;$$s/,$$/\n};\n/' >$(obj)/wanxlfw.inc; \
+ rm -f $(obj)/wanxlfw.bin $(obj)/wanxlfw.o
+
+$(obj)/wanxlfw.inc: $(obj)/wanxlfw.S
+ $(call if_changed_dep,build_wanxlfw)
+targets += wanxlfw.inc
+endif
--- linux-2.6.orig/drivers/net/wan/wanxl.h 2003-09-13 17:30:27.000000000 +0200
+++ linux-2.6/drivers/net/wan/wanxl.h 2003-09-13 16:37:07.000000000 +0200
@@ -0,0 +1,152 @@
+/*
+ * wanXL serial card driver for Linux
+ * definitions common to host driver and card firmware
+ *
+ * Copyright (C) 2003 Krzysztof Halasa <khc@pm.waw.pl>
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of version 2 of the GNU General Public License
+ * as published by the Free Software Foundation.
+ */
+
+#define RESET_WHILE_LOADING 0
+
+/* you must rebuild the firmware if any of the following is changed */
+#define DETECT_RAM 0 /* needed for > 4MB RAM, 16 MB maximum */
+#define QUICC_MEMCPY_USES_PLX 1 /* must be used if the host has > 256 MB RAM */
+
+
+#define STATUS_CABLE_V35 2
+#define STATUS_CABLE_X21 3
+#define STATUS_CABLE_V24 4
+#define STATUS_CABLE_EIA530 5
+#define STATUS_CABLE_INVALID 6
+#define STATUS_CABLE_NONE 7
+
+#define STATUS_CABLE_DCE 0x8000
+#define STATUS_CABLE_DSR 0x0010
+#define STATUS_CABLE_DCD 0x0008
+#define STATUS_CABLE_PM_SHIFT 5
+
+#define PDM_OFFSET 0x1000
+
+#define TX_BUFFERS 10 /* per port */
+#define RX_BUFFERS 30
+#define RX_QUEUE_LENGTH 40 /* card->host queue length - per card */
+
+#define PACKET_EMPTY 0x00
+#define PACKET_FULL 0x10
+#define PACKET_SENT 0x20 /* TX only */
+#define PACKET_UNDERRUN 0x30 /* TX only */
+#define PACKET_PORT_MASK 0x03 /* RX only */
+
+/* bit numbers in PLX9060 doorbell registers */
+#define DOORBELL_FROM_CARD_TX_0 0 /* packet sent by the card */
+#define DOORBELL_FROM_CARD_TX_1 1
+#define DOORBELL_FROM_CARD_TX_2 2
+#define DOORBELL_FROM_CARD_TX_3 3
+#define DOORBELL_FROM_CARD_RX 4
+#define DOORBELL_FROM_CARD_CABLE_0 5 /* cable/PM/etc. changed */
+#define DOORBELL_FROM_CARD_CABLE_1 6
+#define DOORBELL_FROM_CARD_CABLE_2 7
+#define DOORBELL_FROM_CARD_CABLE_3 8
+
+#define DOORBELL_TO_CARD_OPEN_0 0
+#define DOORBELL_TO_CARD_OPEN_1 1
+#define DOORBELL_TO_CARD_OPEN_2 2
+#define DOORBELL_TO_CARD_OPEN_3 3
+#define DOORBELL_TO_CARD_CLOSE_0 4
+#define DOORBELL_TO_CARD_CLOSE_1 5
+#define DOORBELL_TO_CARD_CLOSE_2 6
+#define DOORBELL_TO_CARD_CLOSE_3 7
+#define DOORBELL_TO_CARD_TX_0 8 /* outbound packet queued */
+#define DOORBELL_TO_CARD_TX_1 9
+#define DOORBELL_TO_CARD_TX_2 10
+#define DOORBELL_TO_CARD_TX_3 11
+
+/* firmware-only status bits, starting from last DOORBELL_TO_CARD + 1 */
+#define TASK_SCC_0 12
+#define TASK_SCC_1 13
+#define TASK_SCC_2 14
+#define TASK_SCC_3 15
+
+#define ALIGN32(x) (((x) + 3) & 0xFFFFFFFC)
+#define BUFFER_LENGTH ALIGN32(HDLC_MAX_MRU + 4) /* 4 bytes for 32-bit CRC */
+
+/* Address of TX and RX buffers in 68360 address space */
+#define BUFFERS_ADDR 0x4000 /* 16 KB */
+
+#ifndef __ASSEMBLER__
+#define PLX_OFFSET 0
+#else
+#define PLX_OFFSET PLX + 0x80
+#endif
+
+#define PLX_MAILBOX_0 (PLX_OFFSET + 0x40)
+#define PLX_MAILBOX_1 (PLX_OFFSET + 0x44)
+#define PLX_MAILBOX_2 (PLX_OFFSET + 0x48)
+#define PLX_MAILBOX_3 (PLX_OFFSET + 0x4C)
+#define PLX_MAILBOX_4 (PLX_OFFSET + 0x50)
+#define PLX_MAILBOX_5 (PLX_OFFSET + 0x54)
+#define PLX_MAILBOX_6 (PLX_OFFSET + 0x58)
+#define PLX_MAILBOX_7 (PLX_OFFSET + 0x5C)
+#define PLX_DOORBELL_TO_CARD (PLX_OFFSET + 0x60)
+#define PLX_DOORBELL_FROM_CARD (PLX_OFFSET + 0x64)
+#define PLX_INTERRUPT_CS (PLX_OFFSET + 0x68)
+#define PLX_CONTROL (PLX_OFFSET + 0x6C)
+
+#ifdef __ASSEMBLER__
+#define PLX_DMA_0_MODE (PLX + 0x100)
+#define PLX_DMA_0_PCI (PLX + 0x104)
+#define PLX_DMA_0_LOCAL (PLX + 0x108)
+#define PLX_DMA_0_LENGTH (PLX + 0x10C)
+#define PLX_DMA_0_DESC (PLX + 0x110)
+#define PLX_DMA_1_MODE (PLX + 0x114)
+#define PLX_DMA_1_PCI (PLX + 0x118)
+#define PLX_DMA_1_LOCAL (PLX + 0x11C)
+#define PLX_DMA_1_LENGTH (PLX + 0x120)
+#define PLX_DMA_1_DESC (PLX + 0x124)
+#define PLX_DMA_CMD_STS (PLX + 0x128)
+#define PLX_DMA_ARBITR_0 (PLX + 0x12C)
+#define PLX_DMA_ARBITR_1 (PLX + 0x130)
+#endif
+
+#define DESC_LENGTH 12
+
+/* offsets from start of status_t */
+/* card to host */
+#define STATUS_OPEN 0
+#define STATUS_CABLE (STATUS_OPEN + 4)
+#define STATUS_RX_OVERRUNS (STATUS_CABLE + 4)
+#define STATUS_RX_FRAME_ERRORS (STATUS_RX_OVERRUNS + 4)
+
+/* host to card */
+#define STATUS_PARITY (STATUS_RX_FRAME_ERRORS + 4)
+#define STATUS_ENCODING (STATUS_PARITY + 4)
+#define STATUS_CLOCKING (STATUS_ENCODING + 4)
+#define STATUS_TX_DESCS (STATUS_CLOCKING + 4)
+
+#ifndef __ASSEMBLER__
+
+typedef struct {
+ volatile u32 stat;
+ u32 address; /* PCI address */
+ volatile u32 length;
+}desc_t;
+
+
+typedef struct {
+// Card to host
+ volatile u32 open;
+ volatile u32 cable;
+ volatile u32 rx_overruns;
+ volatile u32 rx_frame_errors;
+
+// Host to card
+ u32 parity;
+ u32 encoding;
+ u32 clocking;
+ desc_t tx_descs[TX_BUFFERS];
+}port_status_t;
+
+#endif /* __ASSEMBLER__ */
--- linux-2.6.orig/drivers/net/wan/wanxl.c 2003-09-13 17:30:27.000000000 +0200
+++ linux-2.6/drivers/net/wan/wanxl.c 2003-09-13 16:48:29.000000000 +0200
@@ -0,0 +1,836 @@
+/*
+ * wanXL serial card driver for Linux
+ * host part
+ *
+ * Copyright (C) 2003 Krzysztof Halasa <khc@pm.waw.pl>
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of version 2 of the GNU General Public License
+ * as published by the Free Software Foundation.
+ *
+ * Status:
+ * - Only DTE (external clock) support with NRZ and NRZI encodings
+ * - wanXL100 will require minor driver modifications, no access to hw
+ */
+
+#include <linux/module.h>
+#include <linux/kernel.h>
+#include <linux/slab.h>
+#include <linux/sched.h>
+#include <linux/types.h>
+#include <linux/fcntl.h>
+#include <linux/string.h>
+#include <linux/errno.h>
+#include <linux/init.h>
+#include <linux/ioport.h>
+#include <linux/netdevice.h>
+#include <linux/hdlc.h>
+#include <linux/pci.h>
+#include <asm/io.h>
+#include <asm/delay.h>
+
+#include "wanxl.h"
+
+static const char* version = "wanXL serial card driver version: 0.46";
+
+#define PLX_CTL_RESET 0x40000000 /* adapter reset */
+
+#undef DEBUG_PKT
+#define DEBUG_PCI
+
+/* MAILBOX #1 - PUTS COMMANDS */
+#define MBX1_CMD_ABORTJ 0x85000000 /* Abort and Jump */
+#ifdef __LITTLE_ENDIAN
+#define MBX1_CMD_BSWAP 0x8C000001 /* little-endian Byte Swap Mode */
+#else
+#define MBX1_CMD_BSWAP 0x8C000000 /* big-endian Byte Swap Mode */
+#endif
+
+/* MAILBOX #2 - DRAM SIZE */
+#define MBX2_MEMSZ_MASK 0xFFFF0000 /* PUTS Memory Size Register mask */
+
+
+typedef struct {
+ hdlc_device hdlc; /* HDLC device struct - must be first */
+ struct card_t *card;
+ spinlock_t lock; /* for wanxl_xmit */
+ int node; /* physical port #0 - 3 */
+ unsigned int clock_type;
+ int tx_in, tx_out;
+ struct sk_buff *tx_skbs[TX_BUFFERS];
+}port_t;
+
+
+typedef struct {
+ desc_t rx_descs[RX_QUEUE_LENGTH];
+ port_status_t port_status[4];
+}card_status_t;
+
+
+typedef struct card_t {
+ int n_ports; /* 1, 2 or 4 ports */
+ u8 irq;
+
+ u8 *plx; /* PLX PCI9060 virtual base address */
+ struct pci_dev *pdev; /* for pdev->slot_name */
+ port_t *ports[4];
+ int rx_in;
+ struct sk_buff *rx_skbs[RX_QUEUE_LENGTH];
+ card_status_t *status; /* shared between host and card */
+ dma_addr_t status_address;
+}card_t;
+
+
+
+static inline port_t* hdlc_to_port(hdlc_device *hdlc)
+{
+ return (port_t*)hdlc;
+}
+
+
+static inline port_t* dev_to_port(struct net_device *dev)
+{
+ return hdlc_to_port(dev_to_hdlc(dev));
+}
+
+
+static inline struct net_device *port_to_dev(port_t* port)
+{
+ return hdlc_to_dev(&port->hdlc);
+}
+
+
+static inline const char* port_name(port_t *port)
+{
+ return hdlc_to_name((hdlc_device*)port);
+}
+
+
+static inline const char* card_name(struct pci_dev *pdev)
+{
+ return pdev->slot_name;
+}
+
+
+static inline port_status_t* get_status(port_t *port)
+{
+ return &port->card->status->port_status[port->node];
+}
+
+
+#ifdef DEBUG_PCI
+static inline dma_addr_t pci_map_single_debug(struct pci_dev *pdev, void *ptr,
+ size_t size, int direction)
+{
+ dma_addr_t addr = pci_map_single(pdev, ptr, size, direction);
+ if (addr + size > 0x100000000LL)
+ printk(KERN_CRIT "wanXL %s: pci_map_single() returned memory"
+ " at 0x%X!\n", card_name(pdev), addr);
+ return addr;
+}
+
+#undef pci_map_single
+#define pci_map_single pci_map_single_debug
+#endif
+
+
+/* Cable and/or personality module change interrupt service */
+static inline void wanxl_cable_intr(port_t *port)
+{
+ u32 value = get_status(port)->cable;
+ int valid = 1;
+ const char *cable, *pm, *dte = "", *dsr = "", *dcd = "";
+
+ switch(value & 0x7) {
+ case STATUS_CABLE_V35: cable = "V.35"; break;
+ case STATUS_CABLE_X21: cable = "X.21"; break;
+ case STATUS_CABLE_V24: cable = "V.24"; break;
+ case STATUS_CABLE_EIA530: cable = "EIA530"; break;
+ case STATUS_CABLE_NONE: cable = "no"; break;
+ default: cable = "invalid";
+ }
+
+ switch((value >> STATUS_CABLE_PM_SHIFT) & 0x7) {
+ case STATUS_CABLE_V35: pm = "V.35"; break;
+ case STATUS_CABLE_X21: pm = "X.21"; break;
+ case STATUS_CABLE_V24: pm = "V.24"; break;
+ case STATUS_CABLE_EIA530: pm = "EIA530"; break;
+ case STATUS_CABLE_NONE: pm = "no personality"; valid = 0; break;
+ default: pm = "invalid personality"; valid = 0;
+ }
+
+ if (valid) {
+ if ((value & 7) == ((value >> STATUS_CABLE_PM_SHIFT) & 7)) {
+ dsr = (value & STATUS_CABLE_DSR) ? ", DSR ON" :
+ ", DSR off";
+ dcd = (value & STATUS_CABLE_DCD) ? ", carrier ON" :
+ ", carrier off";
+ }
+ dte = (value & STATUS_CABLE_DCE) ? " DCE" : " DTE";
+ }
+ printk(KERN_INFO "%s: %s%s module, %s cable%s%s\n",
+ port_name(port), pm, dte, cable, dsr, dcd);
+
+ hdlc_set_carrier(value & STATUS_CABLE_DCD, &port->hdlc);
+}
+
+
+
+/* Transmit complete interrupt service */
+static inline void wanxl_tx_intr(port_t *port)
+{
+ while (1) {
+ desc_t *desc;
+ desc = &get_status(port)->tx_descs[port->tx_in];
+ struct sk_buff *skb = port->tx_skbs[port->tx_in];
+
+ switch (desc->stat) {
+ case PACKET_FULL:
+ case PACKET_EMPTY:
+ netif_wake_queue(port_to_dev(port));
+ return;
+
+ case PACKET_UNDERRUN:
+ port->hdlc.stats.tx_errors++;
+ port->hdlc.stats.tx_fifo_errors++;
+ break;
+
+ default:
+ port->hdlc.stats.tx_packets++;
+ port->hdlc.stats.tx_bytes += skb->len;
+ }
+ desc->stat = PACKET_EMPTY; /* Free descriptor */
+ pci_unmap_single(port->card->pdev, desc->address, skb->len,
+ PCI_DMA_TODEVICE);
+ dev_kfree_skb_irq(skb);
+ port->tx_in = (port->tx_in + 1) % TX_BUFFERS;
+ }
+}
+
+
+
+/* Receive complete interrupt service */
+static inline void wanxl_rx_intr(card_t *card)
+{
+ desc_t *desc;
+ while(desc = &card->status->rx_descs[card->rx_in],
+ desc->stat != PACKET_EMPTY) {
+ struct sk_buff *skb = card->rx_skbs[card->rx_in];
+ port_t *port = card->ports[desc->stat & PACKET_PORT_MASK];
+ struct net_device *dev = port_to_dev(port);
+
+ if ((desc->stat & PACKET_PORT_MASK) > card->n_ports)
+ printk(KERN_CRIT "wanXL %s: received packet for"
+ " nonexistent port\n", card_name(card->pdev));
+
+ else if (!skb)
+ port->hdlc.stats.rx_dropped++;
+
+ else {
+ pci_unmap_single(card->pdev, desc->address,
+ BUFFER_LENGTH, PCI_DMA_FROMDEVICE);
+ skb_put(skb, desc->length);
+
+#ifdef DEBUG_PKT
+ printk(KERN_DEBUG "%s RX(%i):", port_name(port),
+ skb->len);
+ debug_frame(skb);
+#endif
+ port->hdlc.stats.rx_packets++;
+ port->hdlc.stats.rx_bytes += skb->len;
+ skb->mac.raw = skb->data;
+ skb->dev = dev;
+ dev->last_rx = jiffies;
+ skb->protocol = hdlc_type_trans(skb, dev);
+ netif_rx(skb);
+ skb = NULL;
+ }
+
+ if (!skb) {
+ skb = dev_alloc_skb(BUFFER_LENGTH);
+ desc->address = skb ?
+ pci_map_single(card->pdev, skb->data,
+ BUFFER_LENGTH,
+ PCI_DMA_FROMDEVICE) : 0;
+ card->rx_skbs[card->rx_in] = skb;
+ }
+ desc->stat = PACKET_EMPTY; /* Free descriptor */
+ card->rx_in = (card->rx_in + 1) % RX_QUEUE_LENGTH;
+ }
+}
+
+
+
+static irqreturn_t wanxl_intr(int irq, void* dev_id, struct pt_regs *regs)
+{
+ card_t *card = dev_id;
+ int i;
+ u32 stat;
+ int handled = 0;
+
+
+ while((stat = readl(card->plx + PLX_DOORBELL_FROM_CARD)) != 0) {
+ handled = 1;
+ writel(stat, card->plx + PLX_DOORBELL_FROM_CARD);
+
+ for (i = 0; i < card->n_ports; i++) {
+ if (stat & (1 << (DOORBELL_FROM_CARD_TX_0 + i)))
+ wanxl_tx_intr(card->ports[i]);
+ if (stat & (1 << (DOORBELL_FROM_CARD_CABLE_0 + i)))
+ wanxl_cable_intr(card->ports[i]);
+ }
+ if (stat & (1 << DOORBELL_FROM_CARD_RX))
+ wanxl_rx_intr(card);
+ }
+
+ return IRQ_RETVAL(handled);
+}
+
+
+
+static int wanxl_xmit(struct sk_buff *skb, struct net_device *dev)
+{
+ hdlc_device *hdlc = dev_to_hdlc(dev);
+ port_t *port = hdlc_to_port(hdlc);
+
+ spin_lock(&port->lock);
+
+ desc_t *desc = &get_status(port)->tx_descs[port->tx_out];
+ if (desc->stat != PACKET_EMPTY) {
+ /* should never happen - previous xmit should stop queue */
+#ifdef DEBUG_PKT
+ printk(KERN_DEBUG "%s: transmitter buffer full\n",
+ port_name(port));
+#endif
+ netif_stop_queue(dev);
+ spin_unlock_irq(&port->lock);
+ return 1; /* request packet to be queued */
+ }
+
+#ifdef DEBUG_PKT
+ printk(KERN_DEBUG "%s TX(%i):", port_name(port), skb->len);
+ debug_frame(skb);
+#endif
+
+ port->tx_skbs[port->tx_out] = skb;
+ desc->address = pci_map_single(port->card->pdev, skb->data, skb->len,
+ PCI_DMA_TODEVICE);
+ desc->length = skb->len;
+ desc->stat = PACKET_FULL;
+ writel(1 << (DOORBELL_TO_CARD_TX_0 + port->node),
+ port->card->plx + PLX_DOORBELL_TO_CARD);
+ dev->trans_start = jiffies;
+
+ port->tx_out = (port->tx_out + 1) % TX_BUFFERS;
+
+ if (get_status(port)->tx_descs[port->tx_out].stat != PACKET_EMPTY) {
+ netif_stop_queue(dev);
+#ifdef DEBUG_PKT
+ printk(KERN_DEBUG "%s: transmitter buffer full\n",
+ port_name(port));
+#endif
+ }
+
+ spin_unlock(&port->lock);
+ return 0;
+}
+
+
+
+static int wanxl_attach(hdlc_device *hdlc, unsigned short encoding,
+ unsigned short parity)
+{
+ port_t *port = hdlc_to_port(hdlc);
+
+ if (encoding != ENCODING_NRZ &&
+ encoding != ENCODING_NRZI)
+ return -EINVAL;
+
+ if (parity != PARITY_NONE &&
+ parity != PARITY_CRC32_PR1_CCITT &&
+ parity != PARITY_CRC16_PR1_CCITT &&
+ parity != PARITY_CRC32_PR0_CCITT &&
+ parity != PARITY_CRC16_PR0_CCITT)
+ return -EINVAL;
+
+ get_status(port)->encoding = encoding;
+ get_status(port)->parity = parity;
+ return 0;
+}
+
+
+
+static int wanxl_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd)
+{
+ const size_t size = sizeof(sync_serial_settings);
+ sync_serial_settings line;
+ hdlc_device *hdlc = dev_to_hdlc(dev);
+ port_t *port = hdlc_to_port(hdlc);
+
+ if (cmd != SIOCWANDEV)
+ return hdlc_ioctl(dev, ifr, cmd);
+
+ switch (ifr->ifr_settings.type) {
+ case IF_GET_IFACE:
+ ifr->ifr_settings.type = IF_IFACE_SYNC_SERIAL;
+ if (ifr->ifr_settings.size < size) {
+ ifr->ifr_settings.size = size; /* data size wanted */
+ return -ENOBUFS;
+ }
+ line.clock_type = get_status(port)->clocking;
+ line.clock_rate = 0;
+ line.loopback = 0;
+
+ if (copy_to_user(ifr->ifr_settings.ifs_ifsu.sync, &line, size))
+ return -EFAULT;
+ return 0;
+
+ case IF_IFACE_SYNC_SERIAL:
+ if (!capable(CAP_NET_ADMIN))
+ return -EPERM;
+ if (dev->flags & IFF_UP)
+ return -EBUSY;
+
+ if (copy_from_user(&line, ifr->ifr_settings.ifs_ifsu.sync,
+ size))
+ return -EFAULT;
+
+ if (line.clock_type != CLOCK_EXT &&
+ line.clock_type != CLOCK_TXFROMRX)
+ return -EINVAL; /* No such clock setting */
+
+ if (line.loopback != 0)
+ return -EINVAL;
+
+ get_status(port)->clocking = line.clock_type;
+ return 0;
+
+ default:
+ return hdlc_ioctl(dev, ifr, cmd);
+ }
+}
+
+
+
+static int wanxl_open(struct net_device *dev)
+{
+ hdlc_device *hdlc = dev_to_hdlc(dev);
+ port_t *port = hdlc_to_port(hdlc);
+ u8 *dbr = port->card->plx + PLX_DOORBELL_TO_CARD;
+ unsigned long timeout;
+ int i;
+
+ if (get_status(port)->open) {
+ printk(KERN_ERR "%s: port already open\n", port_name(port));
+ return -EIO;
+ }
+ if ((i = hdlc_open(hdlc)) != 0)
+ return i;
+
+ port->tx_in = port->tx_out = 0;
+ for (i = 0; i < TX_BUFFERS; i++)
+ get_status(port)->tx_descs[i].stat = PACKET_EMPTY;
+ /* signal the card */
+ writel(1 << (DOORBELL_TO_CARD_OPEN_0 + port->node), dbr);
+
+ timeout = jiffies + HZ;
+ do
+ if (get_status(port)->open)
+ return 0;
+ while (time_after(timeout, jiffies));
+
+ printk(KERN_ERR "%s: unable to open port\n", port_name(port));
+ /* ask the card to close the port, should it be still alive */
+ writel(1 << (DOORBELL_TO_CARD_CLOSE_0 + port->node), dbr);
+ return -EFAULT;
+}
+
+
+
+static int wanxl_close(struct net_device *dev)
+{
+ hdlc_device *hdlc = dev_to_hdlc(dev);
+ port_t *port = hdlc_to_port(hdlc);
+ unsigned long timeout;
+ int i;
+
+ hdlc_close(hdlc);
+ /* signal the card */
+ writel(1 << (DOORBELL_TO_CARD_CLOSE_0 + port->node),
+ port->card->plx + PLX_DOORBELL_TO_CARD);
+
+ timeout = jiffies + HZ;
+ do
+ if (!get_status(port)->open)
+ break;
+ while (time_after(timeout, jiffies));
+
+ if (get_status(port)->open)
+ printk(KERN_ERR "%s: unable to close port\n", port_name(port));
+
+ for (i = 0; i < TX_BUFFERS; i++) {
+ desc_t *desc = &get_status(port)->tx_descs[i];
+
+ if (desc->stat != PACKET_EMPTY) {
+ desc->stat = PACKET_EMPTY;
+ pci_unmap_single(port->card->pdev, desc->address,
+ port->tx_skbs[i]->len,
+ PCI_DMA_TODEVICE);
+ dev_kfree_skb(port->tx_skbs[i]);
+ }
+ }
+ return 0;
+}
+
+
+
+static struct net_device_stats *wanxl_get_stats(struct net_device *dev)
+{
+ hdlc_device *hdlc = dev_to_hdlc(dev);
+ port_t *port = hdlc_to_port(hdlc);
+
+ hdlc->stats.rx_over_errors = get_status(port)->rx_overruns;
+ hdlc->stats.rx_frame_errors = get_status(port)->rx_frame_errors;
+ hdlc->stats.rx_errors = hdlc->stats.rx_over_errors +
+ hdlc->stats.rx_frame_errors;
+ return &hdlc->stats;
+}
+
+
+
+static int wanxl_puts_command(card_t *card, u32 cmd)
+{
+ unsigned long timeout = jiffies + 5 * HZ;
+
+ writel(cmd, card->plx + PLX_MAILBOX_1);
+ do {
+ if (readl(card->plx + PLX_MAILBOX_1) == 0)
+ return 0;
+
+ schedule();
+ }while (time_after(timeout, jiffies));
+
+ return -1;
+}
+
+
+
+static void wanxl_reset(card_t *card)
+{
+ u32 old_value = readl(card->plx + PLX_CONTROL) & ~PLX_CTL_RESET;
+
+ writel(0x80, card->plx + PLX_MAILBOX_0);
+ writel(old_value | PLX_CTL_RESET, card->plx + PLX_CONTROL);
+ readl(card->plx + PLX_CONTROL); /* wait for posted write */
+ udelay(1);
+ writel(old_value, card->plx + PLX_CONTROL);
+ readl(card->plx + PLX_CONTROL); /* wait for posted write */
+}
+
+
+
+static void wanxl_pci_remove_one(struct pci_dev *pdev)
+{
+ card_t *card = pci_get_drvdata(pdev);
+ int i;
+
+ /* unregister and free all host resources */
+ if (card->irq)
+ free_irq(card->irq, card);
+
+ for (i = 0; i < 4; i++)
+ if (card->ports[i])
+ unregister_hdlc_device(&card->ports[i]->hdlc);
+
+ wanxl_reset(card);
+
+ for (i = 0; i < RX_QUEUE_LENGTH; i++)
+ if (card->rx_skbs[i]) {
+ pci_unmap_single(card->pdev,
+ card->status->rx_descs[i].address,
+ BUFFER_LENGTH, PCI_DMA_FROMDEVICE);
+ dev_kfree_skb(card->rx_skbs[i]);
+ }
+
+ if (card->plx)
+ iounmap(card->plx);
+
+ if (card->status)
+ pci_free_consistent(pdev, sizeof(card_status_t),
+ card->status, card->status_address);
+
+ pci_set_drvdata(pdev, NULL);
+ kfree(card);
+ pci_release_regions(pdev);
+}
+
+
+#include "wanxlfw.inc"
+
+static int __devinit wanxl_pci_init_one(struct pci_dev *pdev,
+ const struct pci_device_id *ent)
+{
+ card_t *card;
+ u32 ramsize, stat;
+ unsigned long timeout;
+ u32 plx_phy; /* PLX PCI base address */
+ u32 mem_phy; /* memory PCI base addr */
+ u8 *mem; /* memory virtual base addr */
+ int i, ports, alloc_size;
+
+ i = pci_enable_device(pdev);
+ if (i)
+ return i;
+
+ /* QUICC can only access first 256 MB of host RAM directly,
+ but PLX9060 DMA does 32-bits for actual packet data transfers */
+
+ /* FIXME when PCI/DMA subsystems are fixed.
+ We set both dma_mask and consistent_dma_mask to 28 bits
+ and pray pci_alloc_consistent() will use this info. It should
+ work on most platforms */
+ if (pci_set_consistent_dma_mask(pdev, 0x0FFFFFFF) ||
+ pci_set_dma_mask(pdev, 0x0FFFFFFF)) {
+ printk(KERN_ERR "No usable DMA configuration\n");
+ return -EIO;
+ }
+
+ i = pci_request_regions(pdev, "wanXL");
+ if (i)
+ return i;
+
+ switch (pdev->device) {
+ case PCI_DEVICE_ID_SBE_WANXL100: ports = 1; break;
+ case PCI_DEVICE_ID_SBE_WANXL200: ports = 2; break;
+ default: ports = 4;
+ }
+
+ alloc_size = sizeof(card_t) + ports * sizeof(port_t);
+ card = kmalloc(alloc_size, GFP_KERNEL);
+ if (card == NULL) {
+ printk(KERN_ERR "wanXL %s: unable to allocate memory\n",
+ card_name(pdev));
+ pci_release_regions(pdev);
+ return -ENOBUFS;
+ }
+ memset(card, 0, alloc_size);
+
+ pci_set_drvdata(pdev, card);
+ card->pdev = pdev;
+ card->n_ports = ports;
+
+ card->status = pci_alloc_consistent(pdev, sizeof(card_status_t),
+ &card->status_address);
+ if (card->status == NULL) {
+ wanxl_pci_remove_one(pdev);
+ return -ENOBUFS;
+ }
+
+#ifdef DEBUG_PCI
+ printk(KERN_DEBUG "wanXL %s: pci_alloc_consistent() returned memory"
+ " at 0x%X\n", card_name(pdev), card->status_address);
+#endif
+
+ /* FIXME when PCI/DMA subsystems are fixed.
+ We set both dma_mask and consistent_dma_mask back to 32 bits
+ to indicate the card can do 32-bit DMA addressing */
+ if (pci_set_consistent_dma_mask(pdev, 0xFFFFFFFF) ||
+ pci_set_dma_mask(pdev, 0xFFFFFFFF)) {
+ printk(KERN_ERR "No usable DMA configuration\n");
+ wanxl_pci_remove_one(pdev);
+ return -EIO;
+ }
+
+ /* set up PLX mapping */
+ plx_phy = pci_resource_start(pdev, 0);
+ card->plx = ioremap_nocache(plx_phy, 0x70);
+
+#if RESET_WHILE_LOADING
+ wanxl_reset(card);
+#endif
+
+ timeout = jiffies + 20 * HZ;
+ while ((stat = readl(card->plx + PLX_MAILBOX_0)) != 0) {
+ if (time_before(timeout, jiffies)) {
+ printk(KERN_WARNING "wanXL %s: timeout waiting for"
+ " PUTS to complete\n", card_name(pdev));
+ wanxl_pci_remove_one(pdev);
+ return -ENODEV;
+ }
+
+ switch(stat & 0xC0) {
+ case 0x00: /* hmm - PUTS completed with non-zero code? */
+ case 0x80: /* PUTS still testing the hardware */
+ break;
+
+ default:
+ printk(KERN_WARNING "wanXL %s: PUTS test 0x%X"
+ " failed\n", card_name(pdev), stat & 0x30);
+ wanxl_pci_remove_one(pdev);
+ return -ENODEV;
+ }
+
+ schedule();
+ }
+
+ /* get on-board memory size (PUTS detects no more than 4 MB) */
+ ramsize = readl(card->plx + PLX_MAILBOX_2) & MBX2_MEMSZ_MASK;
+
+ /* set up on-board RAM mapping */
+ mem_phy = pci_resource_start(pdev, 2);
+
+
+ /* sanity check the board's reported memory size */
+ if (ramsize < BUFFERS_ADDR +
+ (TX_BUFFERS + RX_BUFFERS) * BUFFER_LENGTH * ports) {
+ printk(KERN_WARNING "wanXL %s: no enough on-board RAM"
+ " (%u bytes detected, %u bytes required)\n",
+ card_name(pdev), ramsize, BUFFERS_ADDR +
+ (TX_BUFFERS + RX_BUFFERS) * BUFFER_LENGTH * ports);
+ wanxl_pci_remove_one(pdev);
+ return -ENODEV;
+ }
+
+ if (wanxl_puts_command(card, MBX1_CMD_BSWAP)) {
+ printk(KERN_WARNING "wanXL %s: unable to Set Byte Swap"
+ " Mode\n", card_name(pdev));
+ wanxl_pci_remove_one(pdev);
+ return -ENODEV;
+ }
+
+ for (i = 0; i < ports; i++) {
+ port_t *port = (void *)card + sizeof(card_t) +
+ i * sizeof(port_t);
+ struct net_device *dev = hdlc_to_dev(&port->hdlc);
+ spin_lock_init(&port->lock);
+ SET_MODULE_OWNER(dev);
+ dev->tx_queue_len = 50;
+ dev->do_ioctl = wanxl_ioctl;
+ dev->open = wanxl_open;
+ dev->stop = wanxl_close;
+ port->hdlc.attach = wanxl_attach;
+ port->hdlc.xmit = wanxl_xmit;
+ if(register_hdlc_device(&port->hdlc)) {
+ printk(KERN_ERR "wanXL %s: unable to register hdlc"
+ " device\n", card_name(pdev));
+ wanxl_pci_remove_one(pdev);
+ return -ENOBUFS;
+ }
+ card->ports[i] = port;
+ dev->get_stats = wanxl_get_stats;
+ port->card = card;
+ port->node = i;
+ get_status(port)->clocking = CLOCK_EXT;
+ }
+
+ for (i = 0; i < RX_QUEUE_LENGTH; i++) {
+ struct sk_buff *skb = dev_alloc_skb(BUFFER_LENGTH);
+ card->rx_skbs[i] = skb;
+ if (skb)
+ card->status->rx_descs[i].address =
+ pci_map_single(card->pdev, skb->data,
+ BUFFER_LENGTH,
+ PCI_DMA_FROMDEVICE);
+ }
+
+ mem = ioremap_nocache(mem_phy, PDM_OFFSET + sizeof(firmware));
+ for (i = 0; i < sizeof(firmware); i += 4)
+ writel(htonl(*(u32*)(firmware + i)), mem + PDM_OFFSET + i);
+
+ for (i = 0; i < ports; i++)
+ writel(card->status_address +
+ (void *)&card->status->port_status[i] -
+ (void *)card->status, mem + PDM_OFFSET + 4 + i * 4);
+ writel(card->status_address, mem + PDM_OFFSET + 20);
+ writel(PDM_OFFSET, mem);
+ iounmap(mem);
+
+ writel(0, card->plx + PLX_MAILBOX_5);
+
+ if (wanxl_puts_command(card, MBX1_CMD_ABORTJ)) {
+ printk(KERN_WARNING "wanXL %s: unable to Abort and Jump\n",
+ card_name(pdev));
+ wanxl_pci_remove_one(pdev);
+ return -ENODEV;
+ }
+
+ stat = 0;
+ timeout = jiffies + 5 * HZ;
+ do {
+ if ((stat = readl(card->plx + PLX_MAILBOX_5)) != 0)
+ break;
+ schedule();
+ }while (time_after(timeout, jiffies));
+
+ if (!stat) {
+ printk(KERN_WARNING "wanXL %s: timeout while initializing card"
+ "firmware\n", card_name(pdev));
+ wanxl_pci_remove_one(pdev);
+ return -ENODEV;
+ }
+
+#if DETECT_RAM
+ ramsize = stat;
+#endif
+
+ printk(KERN_INFO "wanXL %s: at 0x%X, %u KB of RAM at 0x%X, irq"
+ " %u\n" KERN_INFO "wanXL %s: port", card_name(pdev),
+ plx_phy, ramsize / 1024, mem_phy, pdev->irq, card_name(pdev));
+
+ for (i = 0; i < ports; i++)
+ printk("%s #%i: %s", i ? "," : "", i,
+ port_name(card->ports[i]));
+ printk("\n");
+
+ /* Allocate IRQ */
+ if(request_irq(pdev->irq, wanxl_intr, SA_SHIRQ, "wanXL", card)) {
+ printk(KERN_WARNING "wanXL %s: could not allocate IRQ%i.\n",
+ card_name(pdev), pdev->irq);
+ wanxl_pci_remove_one(pdev);
+ return -EBUSY;
+ }
+ card->irq = pdev->irq;
+
+ return 0;
+}
+
+static struct pci_device_id wanxl_pci_tbl[] __devinitdata = {
+ { PCI_VENDOR_ID_SBE, PCI_DEVICE_ID_SBE_WANXL100, PCI_ANY_ID,
+ PCI_ANY_ID, 0, 0, 0 },
+ { PCI_VENDOR_ID_SBE, PCI_DEVICE_ID_SBE_WANXL200, PCI_ANY_ID,
+ PCI_ANY_ID, 0, 0, 0 },
+ { PCI_VENDOR_ID_SBE, PCI_DEVICE_ID_SBE_WANXL400, PCI_ANY_ID,
+ PCI_ANY_ID, 0, 0, 0 },
+ { 0, }
+};
+
+
+static struct pci_driver wanxl_pci_driver = {
+ name: "wanXL",
+ id_table: wanxl_pci_tbl,
+ probe: wanxl_pci_init_one,
+ remove: wanxl_pci_remove_one,
+};
+
+
+static int __init wanxl_init_module(void)
+{
+#ifdef MODULE
+ printk(KERN_INFO "%s\n", version);
+#endif
+ return pci_module_init(&wanxl_pci_driver);
+}
+
+static void __exit wanxl_cleanup_module(void)
+{
+ pci_unregister_driver(&wanxl_pci_driver);
+}
+
+
+MODULE_AUTHOR("Krzysztof Halasa <khc@pm.waw.pl>");
+MODULE_DESCRIPTION("SBE Inc. wanXL serial port driver");
+MODULE_LICENSE("GPL v2");
+MODULE_DEVICE_TABLE(pci, wanxl_pci_tbl);
+
+module_init(wanxl_init_module);
+module_exit(wanxl_cleanup_module);
--- linux-2.6.orig/drivers/net/wan/wanxlfw.S 2003-09-13 17:30:27.000000000 +0200
+++ linux-2.6/drivers/net/wan/wanxlfw.S 2003-09-13 17:30:08.000000000 +0200
@@ -0,0 +1,895 @@
+.psize 0
+/*
+ wanXL serial card driver for Linux
+ card firmware part
+
+ Copyright (C) 2003 Krzysztof Halasa <khc@pm.waw.pl>
+
+ This program is free software; you can redistribute it and/or modify it
+ under the terms of version 2 of the GNU General Public License
+ as published by the Free Software Foundation.
+
+
+
+
+ DPRAM BDs:
+ 0x000 - 0x050 TX#0 0x050 - 0x140 RX#0
+ 0x140 - 0x190 TX#1 0x190 - 0x280 RX#1
+ 0x280 - 0x2D0 TX#2 0x2D0 - 0x3C0 RX#2
+ 0x3C0 - 0x410 TX#3 0x410 - 0x500 RX#3
+
+
+ 000 5FF 1536 Bytes Dual-Port RAM User Data / BDs
+ 600 6FF 256 Bytes Dual-Port RAM User Data / BDs
+ 700 7FF 256 Bytes Dual-Port RAM User Data / BDs
+ C00 CBF 192 Bytes Dual-Port RAM Parameter RAM Page 1
+ D00 DBF 192 Bytes Dual-Port RAM Parameter RAM Page 2
+ E00 EBF 192 Bytes Dual-Port RAM Parameter RAM Page 3
+ F00 FBF 192 Bytes Dual-Port RAM Parameter RAM Page 4
+
+ local interrupts level
+ NMI 7
+ PIT timer, CPM (RX/TX complete) 4
+ PCI9060 DMA and PCI doorbells 3
+ Cable - not used 1
+*/
+
+#include <linux/hdlc.h>
+#include "wanxl.h"
+
+/* memory addresses and offsets */
+
+MAX_RAM_SIZE = 16 * 1024 * 1024 // max RAM supported by hardware
+
+PCI9060_VECTOR = 0x0000006C
+CPM_IRQ_BASE = 0x40
+ERROR_VECTOR = CPM_IRQ_BASE * 4
+SCC1_VECTOR = (CPM_IRQ_BASE + 0x1E) * 4
+SCC2_VECTOR = (CPM_IRQ_BASE + 0x1D) * 4
+SCC3_VECTOR = (CPM_IRQ_BASE + 0x1C) * 4
+SCC4_VECTOR = (CPM_IRQ_BASE + 0x1B) * 4
+CPM_IRQ_LEVEL = 4
+TIMER_IRQ = 128
+TIMER_IRQ_LEVEL = 4
+PITR_CONST = 0x100 + 16 // 1 Hz timer
+
+MBAR = 0x0003FF00
+
+VALUE_WINDOW = 0x40000000
+ORDER_WINDOW = 0xC0000000
+
+PLX = 0xFFF90000
+
+CSRA = 0xFFFB0000
+CSRB = 0xFFFB0002
+CSRC = 0xFFFB0004
+CSRD = 0xFFFB0006
+STATUS_CABLE_LL = 0x2000
+STATUS_CABLE_DTR = 0x1000
+
+DPRBASE = 0xFFFC0000
+
+SCC1_BASE = DPRBASE + 0xC00
+MISC_BASE = DPRBASE + 0xCB0
+SCC2_BASE = DPRBASE + 0xD00
+SCC3_BASE = DPRBASE + 0xE00
+SCC4_BASE = DPRBASE + 0xF00
+
+// offset from SCCx_BASE
+// SCC_xBASE contain offsets from DPRBASE and must be divisible by 8
+SCC_RBASE = 0 // 16-bit RxBD base address
+SCC_TBASE = 2 // 16-bit TxBD base address
+SCC_RFCR = 4 // 8-bit Rx function code
+SCC_TFCR = 5 // 8-bit Tx function code
+SCC_MRBLR = 6 // 16-bit maximum Rx buffer length
+SCC_C_MASK = 0x34 // 32-bit CRC constant
+SCC_C_PRES = 0x38 // 32-bit CRC preset
+SCC_MFLR = 0x46 // 16-bit max Rx frame length (without flags)
+
+REGBASE = DPRBASE + 0x1000
+PICR = REGBASE + 0x026 // 16-bit periodic irq control
+PITR = REGBASE + 0x02A // 16-bit periodic irq timing
+OR1 = REGBASE + 0x064 // 32-bit RAM bank #1 options
+CICR = REGBASE + 0x540 // 32(24)-bit CP interrupt config
+CIMR = REGBASE + 0x548 // 32-bit CP interrupt mask
+CISR = REGBASE + 0x54C // 32-bit CP interrupts in-service
+PADIR = REGBASE + 0x550 // 16-bit PortA data direction bitmap
+PAPAR = REGBASE + 0x552 // 16-bit PortA pin assignment bitmap
+PAODR = REGBASE + 0x554 // 16-bit PortA open drain bitmap
+PADAT = REGBASE + 0x556 // 16-bit PortA data register
+
+PCDIR = REGBASE + 0x560 // 16-bit PortC data direction bitmap
+PCPAR = REGBASE + 0x562 // 16-bit PortC pin assignment bitmap
+PCSO = REGBASE + 0x564 // 16-bit PortC special options
+PCDAT = REGBASE + 0x566 // 16-bit PortC data register
+PCINT = REGBASE + 0x568 // 16-bit PortC interrupt control
+CR = REGBASE + 0x5C0 // 16-bit Command register
+
+SCC1_REGS = REGBASE + 0x600
+SCC2_REGS = REGBASE + 0x620
+SCC3_REGS = REGBASE + 0x640
+SCC4_REGS = REGBASE + 0x660
+SICR = REGBASE + 0x6EC // 32-bit SI clock route
+
+// offset from SCCx_REGS
+SCC_GSMR_L = 0x00 // 32 bits
+SCC_GSMR_H = 0x04 // 32 bits
+SCC_PSMR = 0x08 // 16 bits
+SCC_TODR = 0x0C // 16 bits
+SCC_DSR = 0x0E // 16 bits
+SCC_SCCE = 0x10 // 16 bits
+SCC_SCCM = 0x14 // 16 bits
+SCC_SCCS = 0x17 // 8 bits
+
+#if QUICC_MEMCPY_USES_PLX
+ .macro memcpy_from_pci src, dest, len // len must be < 8 MB
+ addl #3, \len
+ andl #0xFFFFFFFC, \len // always copy n * 4 bytes
+ movel \src, PLX_DMA_0_PCI
+ movel \dest, PLX_DMA_0_LOCAL
+ movel \len, PLX_DMA_0_LENGTH
+ movel #0x0103, PLX_DMA_CMD_STS // start channel 0 transfer
+ bsr memcpy_from_pci_run
+ .endm
+
+ .macro memcpy_to_pci src, dest, len
+ addl #3, \len
+ andl #0xFFFFFFFC, \len // always copy n * 4 bytes
+ movel \src, PLX_DMA_1_LOCAL
+ movel \dest, PLX_DMA_1_PCI
+ movel \len, PLX_DMA_1_LENGTH
+ movel #0x0301, PLX_DMA_CMD_STS // start channel 1 transfer
+ bsr memcpy_to_pci_run
+ .endm
+
+#else
+
+ .macro memcpy src, dest, len // len must be < 65536 bytes
+ movel %d7, -(%sp) // src and dest must be < 256 MB
+ movel \len, %d7 // bits 0 and 1
+ lsrl #2, \len
+ andl \len, \len
+ beq 99f // only 0 - 3 bytes
+ subl #1, \len // for dbf
+98: movel (\src)+, (\dest)+
+ dbfw \len, 98b
+99: movel %d7, \len
+ btstl #1, \len
+ beq 99f
+ movew (\src)+, (\dest)+
+99: btstl #0, \len
+ beq 99f
+ moveb (\src)+, (\dest)+
+99:
+ movel (%sp)+, %d7
+ .endm
+
+ .macro memcpy_from_pci src, dest, len
+ addl #VALUE_WINDOW, \src
+ memcpy \src, \dest, \len
+ .endm
+
+ .macro memcpy_to_pci src, dest, len
+ addl #VALUE_WINDOW, \dest
+ memcpy \src, \dest, \len
+ .endm
+#endif
+
+
+ .macro wait_for_command
+99: btstl #0, CR
+ bne 99b
+ .endm
+
+
+
+
+/****************************** card initialization *******************/
+ .text
+ .global _start
+_start: bra init
+
+ .org _start + 4
+ch_status_addr: .long 0, 0, 0, 0
+rx_descs_addr: .long 0
+
+init:
+#if DETECT_RAM
+ movel OR1, %d0
+ andl #0xF00007FF, %d0 // mask AMxx bits
+ orl #0xFFFF800 & ~(MAX_RAM_SIZE - 1), %d0 // update RAM bank size
+ movel %d0, OR1
+#endif
+
+ addl #VALUE_WINDOW, rx_descs_addr // PCI addresses of shared data
+ clrl %d0 // D0 = 4 * port
+init_1: tstl ch_status_addr(%d0)
+ beq init_2
+ addl #VALUE_WINDOW, ch_status_addr(%d0)
+init_2: addl #4, %d0
+ cmpl #4 * 4, %d0
+ bne init_1
+
+ movel #pci9060_interrupt, PCI9060_VECTOR
+ movel #error_interrupt, ERROR_VECTOR
+ movel #port_interrupt_1, SCC1_VECTOR
+ movel #port_interrupt_2, SCC2_VECTOR
+ movel #port_interrupt_3, SCC3_VECTOR
+ movel #port_interrupt_4, SCC4_VECTOR
+ movel #timer_interrupt, TIMER_IRQ * 4
+
+ movel #0x78000000, CIMR // only SCCx IRQs from CPM
+ movew #(TIMER_IRQ_LEVEL << 8) + TIMER_IRQ, PICR // interrupt from PIT
+ movew #PITR_CONST, PITR
+
+ // SCC1=SCCa SCC2=SCCb SCC3=SCCc SCC4=SCCd prio=4 HP=-1 IRQ=64-79
+ movel #0xD41F40 + (CPM_IRQ_LEVEL << 13), CICR
+ movel #0x543, PLX_DMA_0_MODE // 32-bit, Ready, Burst, IRQ
+ movel #0x543, PLX_DMA_1_MODE
+ movel #0x0, PLX_DMA_0_DESC // from PCI to local
+ movel #0x8, PLX_DMA_1_DESC // from local to PCI
+ movel #0x101, PLX_DMA_CMD_STS // enable both DMA channels
+ // enable local IRQ, DMA, doorbells and PCI IRQ
+ orl #0x000F0300, PLX_INTERRUPT_CS
+
+#if DETECT_RAM
+ bsr ram_test
+#else
+ movel #1, PLX_MAILBOX_5 // non-zero value = init complete
+#endif
+ bsr check_csr
+
+ movew #0xFFFF, PAPAR // all pins are clocks/data
+ clrw PADIR // first function
+ clrw PCSO // CD and CTS always active
+
+
+/****************************** main loop *****************************/
+
+main: movel channel_stats, %d7 // D7 = doorbell + irq status
+ clrl channel_stats
+
+ tstl %d7
+ bne main_1
+ // nothing to do - wait for next event
+ stop #0x2200 // supervisor + IRQ level 2
+ movew #0x2700, %sr // disable IRQs again
+ bra main
+
+main_1: clrl %d0 // D0 = 4 * port
+ clrl %d6 // D6 = doorbell to host value
+
+main_l: btstl #DOORBELL_TO_CARD_CLOSE_0, %d7
+ beq main_op
+ bclrl #DOORBELL_TO_CARD_OPEN_0, %d7 // in case both bits are set
+ bsr close_port
+main_op:
+ btstl #DOORBELL_TO_CARD_OPEN_0, %d7
+ beq main_cl
+ bsr open_port
+main_cl:
+ btstl #DOORBELL_TO_CARD_TX_0, %d7
+ beq main_txend
+ bsr tx
+main_txend:
+ btstl #TASK_SCC_0, %d7
+ beq main_next
+ bsr tx_end
+ bsr rx
+
+main_next:
+ lsrl #1, %d7 // port status for next port
+ addl #4, %d0 // D0 = 4 * next port
+ cmpl #4 * 4, %d0
+ bne main_l
+ movel %d6, PLX_DOORBELL_FROM_CARD // signal the host
+ bra main
+
+
+/****************************** open port *****************************/
+
+open_port: // D0 = 4 * port, D6 = doorbell to host
+ movel ch_status_addr(%d0), %a0 // A0 = port status address
+ tstl STATUS_OPEN(%a0)
+ bne open_port_ret // port already open
+ movel #1, STATUS_OPEN(%a0) // confirm the port is open
+// setup BDs
+ clrl tx_in(%d0)
+ clrl tx_out(%d0)
+ clrl tx_count(%d0)
+ clrl rx_in(%d0)
+
+ movel SICR, %d1 // D1 = clock settings in SICR
+ andl clocking_mask(%d0), %d1
+ cmpl #CLOCK_TXFROMRX, STATUS_CLOCKING(%a0)
+ bne open_port_clock_ext
+ orl clocking_txfromrx(%d0), %d1
+ bra open_port_set_clock
+
+open_port_clock_ext:
+ orl clocking_ext(%d0), %d1
+open_port_set_clock:
+ movel %d1, SICR // update clock settings in SICR
+
+ orw #STATUS_CABLE_DTR, csr_output(%d0) // DTR on
+ bsr check_csr // call with disabled timer interrupt
+
+// Setup TX descriptors
+ movel first_buffer(%d0), %d1 // D1 = starting buffer address
+ movel tx_first_bd(%d0), %a1 // A1 = starting TX BD address
+ movel #TX_BUFFERS - 2, %d2 // D2 = TX_BUFFERS - 1 counter
+ movel #0x18000000, %d3 // D3 = initial TX BD flags: Int + Last
+ cmpl #PARITY_NONE, STATUS_PARITY(%a0)
+ beq open_port_tx_loop
+ bsetl #26, %d3 // TX BD flag: Transmit CRC
+open_port_tx_loop:
+ movel %d3, (%a1)+ // TX flags + length
+ movel %d1, (%a1)+ // buffer address
+ addl #BUFFER_LENGTH, %d1
+ dbfw %d2, open_port_tx_loop
+
+ bsetl #29, %d3 // TX BD flag: Wrap (last BD)
+ movel %d3, (%a1)+ // Final TX flags + length
+ movel %d1, (%a1)+ // buffer address
+
+// Setup RX descriptors // A1 = starting RX BD address
+ movel #RX_BUFFERS - 2, %d2 // D2 = RX_BUFFERS - 1 counter
+open_port_rx_loop:
+ movel #0x90000000, (%a1)+ // RX flags + length
+ movel %d1, (%a1)+ // buffer address
+ addl #BUFFER_LENGTH, %d1
+ dbfw %d2, open_port_rx_loop
+
+ movel #0xB0000000, (%a1)+ // Final RX flags + length
+ movel %d1, (%a1)+ // buffer address
+
+// Setup port parameters
+ movel scc_base_addr(%d0), %a1 // A1 = SCC_BASE address
+ movel scc_reg_addr(%d0), %a2 // A2 = SCC_REGS address
+
+ movel #0xFFFF, SCC_SCCE(%a2) // clear status bits
+ movel #0x0000, SCC_SCCM(%a2) // interrupt mask
+
+ movel tx_first_bd(%d0), %d1
+ movew %d1, SCC_TBASE(%a1) // D1 = offset of first TxBD
+ addl #TX_BUFFERS * 8, %d1
+ movew %d1, SCC_RBASE(%a1) // D1 = offset of first RxBD
+ moveb #0x8, SCC_RFCR(%a1) // Intel mode, 1000
+ moveb #0x8, SCC_TFCR(%a1)
+
+// Parity settings
+ cmpl #PARITY_CRC16_PR1_CCITT, STATUS_PARITY(%a0)
+ bne open_port_parity_1
+ clrw SCC_PSMR(%a2) // CRC16-CCITT
+ movel #0xF0B8, SCC_C_MASK(%a1)
+ movel #0xFFFF, SCC_C_PRES(%a1)
+ movew #HDLC_MAX_MRU + 2, SCC_MFLR(%a1) // 2 bytes for CRC
+ movew #2, parity_bytes(%d0)
+ bra open_port_2
+
+open_port_parity_1:
+ cmpl #PARITY_CRC32_PR1_CCITT, STATUS_PARITY(%a0)
+ bne open_port_parity_2
+ movew #0x0800, SCC_PSMR(%a2) // CRC32-CCITT
+ movel #0xDEBB20E3, SCC_C_MASK(%a1)
+ movel #0xFFFFFFFF, SCC_C_PRES(%a1)
+ movew #HDLC_MAX_MRU + 4, SCC_MFLR(%a1) // 4 bytes for CRC
+ movew #4, parity_bytes(%d0)
+ bra open_port_2
+
+open_port_parity_2:
+ cmpl #PARITY_CRC16_PR0_CCITT, STATUS_PARITY(%a0)
+ bne open_port_parity_3
+ clrw SCC_PSMR(%a2) // CRC16-CCITT preset 0
+ movel #0xF0B8, SCC_C_MASK(%a1)
+ clrl SCC_C_PRES(%a1)
+ movew #HDLC_MAX_MRU + 2, SCC_MFLR(%a1) // 2 bytes for CRC
+ movew #2, parity_bytes(%d0)
+ bra open_port_2
+
+open_port_parity_3:
+ cmpl #PARITY_CRC32_PR0_CCITT, STATUS_PARITY(%a0)
+ bne open_port_parity_4
+ movew #0x0800, SCC_PSMR(%a2) // CRC32-CCITT preset 0
+ movel #0xDEBB20E3, SCC_C_MASK(%a1)
+ clrl SCC_C_PRES(%a1)
+ movew #HDLC_MAX_MRU + 4, SCC_MFLR(%a1) // 4 bytes for CRC
+ movew #4, parity_bytes(%d0)
+ bra open_port_2
+
+open_port_parity_4:
+ clrw SCC_PSMR(%a2) // no parity
+ movel #0xF0B8, SCC_C_MASK(%a1)
+ movel #0xFFFF, SCC_C_PRES(%a1)
+ movew #HDLC_MAX_MRU, SCC_MFLR(%a1) // 0 bytes for CRC
+ clrw parity_bytes(%d0)
+
+open_port_2:
+ movel #0x00000003, SCC_GSMR_H(%a2) // RTSM
+ cmpl #ENCODING_NRZI, STATUS_ENCODING(%a0)
+ bne open_port_nrz
+ movel #0x10040900, SCC_GSMR_L(%a2) // NRZI: TCI Tend RECN+TENC=1
+ bra open_port_3
+
+open_port_nrz:
+ movel #0x10040000, SCC_GSMR_L(%a2) // NRZ: TCI Tend RECN+TENC=0
+open_port_3:
+ movew #BUFFER_LENGTH, SCC_MRBLR(%a1)
+ movel %d0, %d1
+ lsll #4, %d1 // D1 bits 7 and 6 = port
+ orl #1, %d1
+ movew %d1, CR // Init SCC RX and TX params
+ wait_for_command
+
+ // TCI Tend ENR ENT
+ movew #0x001F, SCC_SCCM(%a2) // TXE RXF BSY TXB RXB interrupts
+ orl #0x00000030, SCC_GSMR_L(%a2) // enable SCC
+open_port_ret:
+ rts
+
+
+/****************************** close port ****************************/
+
+close_port: // D0 = 4 * port, D6 = doorbell to host
+ movel scc_reg_addr(%d0), %a0 // A0 = SCC_REGS address
+ clrw SCC_SCCM(%a0) // no SCC interrupts
+ andl #0xFFFFFFCF, SCC_GSMR_L(%a0) // Disable ENT and ENR
+
+ andw #~STATUS_CABLE_DTR, csr_output(%d0) // DTR off
+ bsr check_csr // call with disabled timer interrupt
+
+ movel ch_status_addr(%d0), %d1
+ clrl STATUS_OPEN(%d1) // confirm the port is closed
+ rts
+
+
+/****************************** transmit packet ***********************/
+// queue packets for transmission
+tx: // D0 = 4 * port, D6 = doorbell to host
+ cmpl #TX_BUFFERS, tx_count(%d0)
+ beq tx_ret // all DB's = descs in use
+
+ movel tx_out(%d0), %d1
+ movel %d1, %d2 // D1 = D2 = tx_out BD# = desc#
+ mulul #DESC_LENGTH, %d2 // D2 = TX desc offset
+ addl ch_status_addr(%d0), %d2
+ addl #STATUS_TX_DESCS, %d2 // D2 = TX desc address
+ cmpl #PACKET_FULL, (%d2) // desc status
+ bne tx_ret
+
+// queue it
+ movel 4(%d2), %a0 // PCI address
+ lsll #3, %d1 // BD is 8-bytes long
+ addl tx_first_bd(%d0), %d1 // D1 = current tx_out BD addr
+
+ movel 4(%d1), %a1 // A1 = dest address
+ movel 8(%d2), %d2 // D2 = length
+ movew %d2, 2(%d1) // length into BD
+ memcpy_from_pci %a0, %a1, %d2
+ bsetl #31, (%d1) // CP go ahead
+
+// update tx_out and tx_count
+ movel tx_out(%d0), %d1
+ addl #1, %d1
+ cmpl #TX_BUFFERS, %d1
+ bne tx_1
+ clrl %d1
+tx_1: movel %d1, tx_out(%d0)
+
+ addl #1, tx_count(%d0)
+ bra tx
+
+tx_ret: rts
+
+
+/****************************** packet received ***********************/
+
+// Service receive buffers // D0 = 4 * port, D6 = doorbell to host
+rx: movel rx_in(%d0), %d1 // D1 = rx_in BD#
+ lsll #3, %d1 // BD is 8-bytes long
+ addl rx_first_bd(%d0), %d1 // D1 = current rx_in BD address
+ movew (%d1), %d2 // D2 = RX BD flags
+ btstl #15, %d2
+ bne rx_ret // BD still empty
+
+ btstl #1, %d2
+ bne rx_overrun
+
+ tstw parity_bytes(%d0)
+ bne rx_parity
+ bclrl #2, %d2 // do not test for CRC errors
+rx_parity:
+ andw #0x0CBC, %d2 // mask status bits
+ cmpw #0x0C00, %d2 // correct frame
+ bne rx_bad_frame
+ clrl %d3
+ movew 2(%d1), %d3
+ subw parity_bytes(%d0), %d3 // D3 = packet length
+ cmpw #HDLC_MAX_MRU, %d3
+ bgt rx_bad_frame
+
+rx_good_frame:
+ movel rx_out, %d2
+ mulul #DESC_LENGTH, %d2
+ addl rx_descs_addr, %d2 // D2 = RX desc address
+ cmpl #PACKET_EMPTY, (%d2) // desc stat
+ bne rx_overrun
+
+ movel %d3, 8(%d2)
+ movel 4(%d1), %a0 // A0 = source address
+ movel 4(%d2), %a1
+ tstl %a1
+ beq rx_ignore_data
+ memcpy_to_pci %a0, %a1, %d3
+rx_ignore_data:
+ movel packet_full(%d0), (%d2) // update desc stat
+
+// update D6 and rx_out
+ bsetl #DOORBELL_FROM_CARD_RX, %d6 // signal host that RX completed
+ movel rx_out, %d2
+ addl #1, %d2
+ cmpl #RX_QUEUE_LENGTH, %d2
+ bne rx_1
+ clrl %d2
+rx_1: movel %d2, rx_out
+
+rx_free_bd:
+ andw #0xF000, (%d1) // clear CM and error bits
+ bsetl #31, (%d1) // free BD
+// update rx_in
+ movel rx_in(%d0), %d1
+ addl #1, %d1
+ cmpl #RX_BUFFERS, %d1
+ bne rx_2
+ clrl %d1
+rx_2: movel %d1, rx_in(%d0)
+ bra rx
+
+rx_overrun:
+ movel ch_status_addr(%d0), %d2
+ addl #1, STATUS_RX_OVERRUNS(%d2)
+ bra rx_free_bd
+
+rx_bad_frame:
+ movel ch_status_addr(%d0), %d2
+ addl #1, STATUS_RX_FRAME_ERRORS(%d2)
+ bra rx_free_bd
+
+rx_ret: rts
+
+
+/****************************** packet transmitted ********************/
+
+// Service transmit buffers // D0 = 4 * port, D6 = doorbell to host
+tx_end: tstl tx_count(%d0)
+ beq tx_end_ret // TX buffers already empty
+
+ movel tx_in(%d0), %d1
+ movel %d1, %d2 // D1 = D2 = tx_in BD# = desc#
+ lsll #3, %d1 // BD is 8-bytes long
+ addl tx_first_bd(%d0), %d1 // D1 = current tx_in BD address
+ movew (%d1), %d3 // D3 = TX BD flags
+ btstl #15, %d3
+ bne tx_end_ret // BD still being transmitted
+
+// update D6, tx_in and tx_count
+ orl bell_tx(%d0), %d6 // signal host that TX desc freed
+ subl #1, tx_count(%d0)
+ movel tx_in(%d0), %d1
+ addl #1, %d1
+ cmpl #TX_BUFFERS, %d1
+ bne tx_end_1
+ clrl %d1
+tx_end_1:
+ movel %d1, tx_in(%d0)
+
+// free host's descriptor
+ mulul #DESC_LENGTH, %d2 // D2 = TX desc offset
+ addl ch_status_addr(%d0), %d2
+ addl #STATUS_TX_DESCS, %d2 // D2 = TX desc address
+ btstl #1, %d3
+ bne tx_end_underrun
+ movel #PACKET_SENT, (%d2)
+ bra tx_end
+
+tx_end_underrun:
+ movel #PACKET_UNDERRUN, (%d2)
+ bra tx_end
+
+tx_end_ret: rts
+
+
+/****************************** PLX PCI9060 DMA memcpy ****************/
+
+#if QUICC_MEMCPY_USES_PLX
+// called with interrupts disabled
+memcpy_from_pci_run:
+ movel %d0, -(%sp)
+ movew %sr, -(%sp)
+memcpy_1:
+ movel PLX_DMA_CMD_STS, %d0 // do not btst PLX register directly
+ btstl #4, %d0 // transfer done?
+ bne memcpy_end
+ stop #0x2200 // enable PCI9060 interrupts
+ movew #0x2700, %sr // disable interrupts again
+ bra memcpy_1
+
+memcpy_to_pci_run:
+ movel %d0, -(%sp)
+ movew %sr, -(%sp)
+memcpy_2:
+ movel PLX_DMA_CMD_STS, %d0 // do not btst PLX register directly
+ btstl #12, %d0 // transfer done?
+ bne memcpy_end
+ stop #0x2200 // enable PCI9060 interrupts
+ movew #0x2700, %sr // disable interrupts again
+ bra memcpy_2
+
+memcpy_end:
+ movew (%sp)+, %sr
+ movel (%sp)+, %d0
+ rts
+#endif
+
+
+
+
+
+
+/****************************** PLX PCI9060 interrupt *****************/
+
+pci9060_interrupt:
+ movel %d0, -(%sp)
+
+ movel PLX_DOORBELL_TO_CARD, %d0
+ movel %d0, PLX_DOORBELL_TO_CARD // confirm all requests
+ orl %d0, channel_stats
+
+ movel #0x0909, PLX_DMA_CMD_STS // clear DMA ch #0 and #1 interrupts
+
+ movel (%sp)+, %d0
+ rte
+
+/****************************** SCC interrupts ************************/
+
+port_interrupt_1:
+ orl #0, SCC1_REGS + SCC_SCCE; // confirm SCC events
+ orl #1 << TASK_SCC_0, channel_stats
+ movel #0x40000000, CISR
+ rte
+
+port_interrupt_2:
+ orl #0, SCC2_REGS + SCC_SCCE; // confirm SCC events
+ orl #1 << TASK_SCC_1, channel_stats
+ movel #0x20000000, CISR
+ rte
+
+port_interrupt_3:
+ orl #0, SCC3_REGS + SCC_SCCE; // confirm SCC events
+ orl #1 << TASK_SCC_2, channel_stats
+ movel #0x10000000, CISR
+ rte
+
+port_interrupt_4:
+ orl #0, SCC4_REGS + SCC_SCCE; // confirm SCC events
+ orl #1 << TASK_SCC_3, channel_stats
+ movel #0x08000000, CISR
+ rte
+
+error_interrupt:
+ rte
+
+
+/****************************** cable and PM routine ******************/
+// modified registers: none
+check_csr:
+ movel %d0, -(%sp)
+ movel %d1, -(%sp)
+ movel %d2, -(%sp)
+ movel %a0, -(%sp)
+ movel %a1, -(%sp)
+
+ clrl %d0 // D0 = 4 * port
+ movel #CSRA, %a0 // A0 = CSR address
+
+check_csr_loop:
+ movew (%a0), %d1 // D1 = CSR input bits
+ andl #0xE7, %d1 // PM and cable sense bits (no DCE bit)
+ cmpw #STATUS_CABLE_V35 * (1 + 1 << STATUS_CABLE_PM_SHIFT), %d1
+ bne check_csr_1
+ movew #0x0E08, %d1
+ bra check_csr_valid
+
+check_csr_1:
+ cmpw #STATUS_CABLE_X21 * (1 + 1 << STATUS_CABLE_PM_SHIFT), %d1
+ bne check_csr_2
+ movew #0x0408, %d1
+ bra check_csr_valid
+
+check_csr_2:
+ cmpw #STATUS_CABLE_V24 * (1 + 1 << STATUS_CABLE_PM_SHIFT), %d1
+ bne check_csr_3
+ movew #0x0208, %d1
+ bra check_csr_valid
+
+check_csr_3:
+ cmpw #STATUS_CABLE_EIA530 * (1 + 1 << STATUS_CABLE_PM_SHIFT), %d1
+ bne check_csr_disable
+ movew #0x0D08, %d1
+ bra check_csr_valid
+
+check_csr_disable:
+ movew #0x0008, %d1 // D1 = disable everything
+ movew #0x80E7, %d2 // D2 = input mask: ignore DSR
+ bra check_csr_write
+
+check_csr_valid: // D1 = mode and IRQ bits
+ movew csr_output(%d0), %d2
+ andw #0x3000, %d2 // D2 = requested LL and DTR bits
+ orw %d2, %d1 // D1 = all requested output bits
+ movew #0x80FF, %d2 // D2 = input mask: include DSR
+
+check_csr_write:
+ cmpw old_csr_output(%d0), %d1
+ beq check_csr_input
+ movew %d1, old_csr_output(%d0)
+ movew %d1, (%a0) // Write CSR output bits
+
+check_csr_input:
+ movew (PCDAT), %d1
+ andw dcd_mask(%d0), %d1
+ beq check_csr_dcd_on // DCD and CTS signals are negated
+ movew (%a0), %d1 // D1 = CSR input bits
+ andw #~STATUS_CABLE_DCD, %d1 // DCD off
+ bra check_csr_previous
+
+check_csr_dcd_on:
+ movew (%a0), %d1 // D1 = CSR input bits
+ orw #STATUS_CABLE_DCD, %d1 // DCD on
+check_csr_previous:
+ andw %d2, %d1 // input mask
+ movel ch_status_addr(%d0), %a1
+ cmpl STATUS_CABLE(%a1), %d1 // check for change
+ beq check_csr_next
+ movel %d1, STATUS_CABLE(%a1) // update status
+ movel bell_cable(%d0), PLX_DOORBELL_FROM_CARD // signal the host
+
+check_csr_next:
+ addl #2, %a0 // next CSR register
+ addl #4, %d0 // D0 = 4 * next port
+ cmpl #4 * 4, %d0
+ bne check_csr_loop
+
+ movel (%sp)+, %a1
+ movel (%sp)+, %a0
+ movel (%sp)+, %d2
+ movel (%sp)+, %d1
+ movel (%sp)+, %d0
+ rts
+
+
+/****************************** timer interrupt ***********************/
+
+timer_interrupt:
+ bsr check_csr
+ rte
+
+
+/****************************** RAM sizing and test *******************/
+#if DETECT_RAM
+ram_test:
+ movel #0x12345678, %d1 // D1 = test value
+ movel %d1, (128 * 1024 - 4)
+ movel #128 * 1024, %d0 // D0 = RAM size tested
+ram_test_size:
+ cmpl #MAX_RAM_SIZE, %d0
+ beq ram_test_size_found
+ movel %d0, %a0
+ addl #128 * 1024 - 4, %a0
+ cmpl (%a0), %d1
+ beq ram_test_size_check
+ram_test_next_size:
+ lsll #1, %d0
+ bra ram_test_size
+
+ram_test_size_check:
+ eorl #0xFFFFFFFF, %d1
+ movel %d1, (128 * 1024 - 4)
+ cmpl (%a0), %d1
+ bne ram_test_next_size
+
+ram_test_size_found: // D0 = RAM size
+ movel %d0, %a0 // A0 = fill ptr
+ subl #firmware_end + 4, %d0
+ lsrl #2, %d0
+ movel %d0, %d1 // D1 = DBf counter
+ram_test_fill:
+ movel %a0, -(%a0)
+ dbfw %d1, ram_test_fill
+ subl #0x10000, %d1
+ cmpl #0xFFFFFFFF, %d1
+ bne ram_test_fill
+
+ram_test_loop: // D0 = DBf counter
+ cmpl (%a0)+, %a0
+ dbnew %d0, ram_test_loop
+ bne ram_test_found_bad
+ subl #0x10000, %d0
+ cmpl #0xFFFFFFFF, %d0
+ bne ram_test_loop
+ bra ram_test_all_ok
+
+ram_test_found_bad:
+ subl #4, %a0
+ram_test_all_ok:
+ movel %a0, PLX_MAILBOX_5
+ rts
+#endif
+
+
+/****************************** constants *****************************/
+
+scc_reg_addr:
+ .long SCC1_REGS, SCC2_REGS, SCC3_REGS, SCC4_REGS
+scc_base_addr:
+ .long SCC1_BASE, SCC2_BASE, SCC3_BASE, SCC4_BASE
+
+tx_first_bd:
+ .long DPRBASE
+ .long DPRBASE + (TX_BUFFERS + RX_BUFFERS) * 8
+ .long DPRBASE + (TX_BUFFERS + RX_BUFFERS) * 8 * 2
+ .long DPRBASE + (TX_BUFFERS + RX_BUFFERS) * 8 * 3
+
+rx_first_bd:
+ .long DPRBASE + TX_BUFFERS * 8
+ .long DPRBASE + TX_BUFFERS * 8 + (TX_BUFFERS + RX_BUFFERS) * 8
+ .long DPRBASE + TX_BUFFERS * 8 + (TX_BUFFERS + RX_BUFFERS) * 8 * 2
+ .long DPRBASE + TX_BUFFERS * 8 + (TX_BUFFERS + RX_BUFFERS) * 8 * 3
+
+first_buffer:
+ .long BUFFERS_ADDR
+ .long BUFFERS_ADDR + (TX_BUFFERS + RX_BUFFERS) * BUFFER_LENGTH
+ .long BUFFERS_ADDR + (TX_BUFFERS + RX_BUFFERS) * BUFFER_LENGTH * 2
+ .long BUFFERS_ADDR + (TX_BUFFERS + RX_BUFFERS) * BUFFER_LENGTH * 3
+
+bell_tx:
+ .long 1 << DOORBELL_FROM_CARD_TX_0, 1 << DOORBELL_FROM_CARD_TX_1
+ .long 1 << DOORBELL_FROM_CARD_TX_2, 1 << DOORBELL_FROM_CARD_TX_3
+
+bell_cable:
+ .long 1 << DOORBELL_FROM_CARD_CABLE_0, 1 << DOORBELL_FROM_CARD_CABLE_1
+ .long 1 << DOORBELL_FROM_CARD_CABLE_2, 1 << DOORBELL_FROM_CARD_CABLE_3
+
+packet_full:
+ .long PACKET_FULL, PACKET_FULL + 1, PACKET_FULL + 2, PACKET_FULL + 3
+
+clocking_ext:
+ .long 0x0000002C, 0x00003E00, 0x002C0000, 0x3E000000
+clocking_txfromrx:
+ .long 0x0000002D, 0x00003F00, 0x002D0000, 0x3F000000
+clocking_mask:
+ .long 0x000000FF, 0x0000FF00, 0x00FF0000, 0xFF000000
+dcd_mask:
+ .word 0x020, 0, 0x080, 0, 0x200, 0, 0x800
+
+ .ascii "wanXL firmware\n"
+ .asciz "Copyright (C) 2003 Krzysztof Halasa <khc@pm.waw.pl>\n"
+
+
+/****************************** variables *****************************/
+
+ .align 4
+channel_stats: .long 0
+
+tx_in: .long 0, 0, 0, 0 // transmitted
+tx_out: .long 0, 0, 0, 0 // received from host for transmission
+tx_count: .long 0, 0, 0, 0 // currently in transmit queue
+
+rx_in: .long 0, 0, 0, 0 // received from port
+rx_out: .long 0 // transmitted to host
+parity_bytes: .word 0, 0, 0, 0, 0, 0, 0 // only 4 words are used
+
+csr_output: .word 0
+old_csr_output: .word 0, 0, 0, 0, 0, 0, 0
+ .align 4
+firmware_end: // must be dword-aligned
--- linux-2.6.orig/drivers/net/wan/wanxlfw.inc 2003-09-13 17:30:27.000000000 +0200
+++ linux-2.6/drivers/net/wan/wanxlfw.inc 2003-09-13 17:30:17.000000000 +0200
@@ -0,0 +1,158 @@
+static u8 firmware[]={
+0x60,0x00,0x00,0x16,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
+0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x06,0xB9,0x40,0x00,0x00,0x00,0x00,0x00,
+0x10,0x14,0x42,0x80,0x4A,0xB0,0x09,0xB0,0x00,0x00,0x10,0x04,0x67,0x00,0x00,0x0E,
+0x06,0xB0,0x40,0x00,0x00,0x00,0x09,0xB0,0x00,0x00,0x10,0x04,0x58,0x80,0x0C,0x80,
+0x00,0x00,0x00,0x10,0x66,0x00,0xFF,0xDE,0x21,0xFC,0x00,0x00,0x16,0xBC,0x00,0x6C,
+0x21,0xFC,0x00,0x00,0x17,0x5E,0x01,0x00,0x21,0xFC,0x00,0x00,0x16,0xDE,0x01,0x78,
+0x21,0xFC,0x00,0x00,0x16,0xFE,0x01,0x74,0x21,0xFC,0x00,0x00,0x17,0x1E,0x01,0x70,
+0x21,0xFC,0x00,0x00,0x17,0x3E,0x01,0x6C,0x21,0xFC,0x00,0x00,0x18,0x4C,0x02,0x00,
+0x23,0xFC,0x78,0x00,0x00,0x00,0xFF,0xFC,0x15,0x48,0x33,0xFC,0x04,0x80,0xFF,0xFC,
+0x10,0x26,0x33,0xFC,0x01,0x10,0xFF,0xFC,0x10,0x2A,0x23,0xFC,0x00,0xD4,0x9F,0x40,
+0xFF,0xFC,0x15,0x40,0x23,0xFC,0x00,0x00,0x05,0x43,0xFF,0xF9,0x01,0x00,0x23,0xFC,
+0x00,0x00,0x05,0x43,0xFF,0xF9,0x01,0x14,0x23,0xFC,0x00,0x00,0x00,0x00,0xFF,0xF9,
+0x01,0x10,0x23,0xFC,0x00,0x00,0x00,0x08,0xFF,0xF9,0x01,0x24,0x23,0xFC,0x00,0x00,
+0x01,0x01,0xFF,0xF9,0x01,0x28,0x00,0xB9,0x00,0x0F,0x03,0x00,0xFF,0xF9,0x00,0xE8,
+0x23,0xFC,0x00,0x00,0x00,0x01,0xFF,0xF9,0x00,0xD4,0x61,0x00,0x06,0x74,0x33,0xFC,
+0xFF,0xFF,0xFF,0xFC,0x15,0x52,0x42,0x79,0xFF,0xFC,0x15,0x50,0x42,0x79,0xFF,0xFC,
+0x15,0x64,0x2E,0x3A,0x08,0x50,0x42,0xB9,0x00,0x00,0x19,0x54,0x4A,0x87,0x66,0x00,
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+0x00,0x08,0x67,0x00,0x00,0x06,0x61,0x00,0x02,0xB8,0x08,0x07,0x00,0x0C,0x67,0x00,
+0x00,0x0A,0x61,0x00,0x04,0x94,0x61,0x00,0x03,0x60,0xE2,0x8F,0x58,0x80,0x0C,0x80,
+0x00,0x00,0x00,0x10,0x66,0x00,0xFF,0xBC,0x23,0xC6,0xFF,0xF9,0x00,0xE4,0x60,0x00,
+0xFF,0x92,0x20,0x70,0x09,0xB0,0x00,0x00,0x10,0x04,0x4A,0xA8,0x00,0x00,0x66,0x00,
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+0xC2,0xB0,0x09,0xB0,0x00,0x00,0x18,0xF2,0x0C,0xA8,0x00,0x00,0x00,0x04,0x00,0x18,
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+0x10,0x00,0x09,0xB0,0x00,0x00,0x19,0xAA,0x61,0x00,0x05,0x76,0x22,0x30,0x09,0xB0,
+0x00,0x00,0x18,0x92,0x22,0x70,0x09,0xB0,0x00,0x00,0x18,0x72,0x74,0x08,0x26,0x3C,
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+0x66,0x00,0x00,0x2A,0x42,0x6A,0x00,0x08,0x23,0x7C,0x00,0x00,0xF0,0xB8,0x00,0x34,
+0x23,0x7C,0x00,0x00,0xFF,0xFF,0x00,0x38,0x33,0x7C,0x05,0xFA,0x00,0x46,0x31,0xBC,
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+0x00,0x07,0x00,0x10,0x66,0x00,0x00,0x2C,0x35,0x7C,0x08,0x00,0x00,0x08,0x23,0x7C,
+0xDE,0xBB,0x20,0xE3,0x00,0x34,0x23,0x7C,0xFF,0xFF,0xFF,0xFF,0x00,0x38,0x33,0x7C,
+0x05,0xFC,0x00,0x46,0x31,0xBC,0x00,0x04,0x09,0xB0,0x00,0x00,0x19,0x9C,0x60,0x00,
+0x00,0x86,0x0C,0xA8,0x00,0x00,0x00,0x04,0x00,0x10,0x66,0x00,0x00,0x26,0x42,0x6A,
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+0x05,0xFA,0x00,0x46,0x31,0xBC,0x00,0x02,0x09,0xB0,0x00,0x00,0x19,0x9C,0x60,0x00,
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+0x09,0xB0,0x00,0x00,0x19,0x9C,0x25,0x7C,0x00,0x00,0x00,0x03,0x00,0x04,0x0C,0xA8,
+0x00,0x00,0x00,0x02,0x00,0x14,0x66,0x00,0x00,0x0E,0x25,0x7C,0x10,0x04,0x09,0x00,
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+0xFF,0xFC,0x15,0xC0,0x08,0x39,0x00,0x00,0xFF,0xFC,0x15,0xC0,0x66,0x00,0xFF,0xF6,
+0x35,0x7C,0x00,0x1F,0x00,0x14,0x00,0xAA,0x00,0x00,0x00,0x30,0x00,0x00,0x4E,0x75,
+0x20,0x70,0x09,0xB0,0x00,0x00,0x18,0x52,0x42,0x68,0x00,0x14,0x02,0xA8,0xFF,0xFF,
+0xFF,0xCF,0x00,0x00,0x02,0x70,0xEF,0xFF,0x09,0xB0,0x00,0x00,0x19,0xAA,0x61,0x00,
+0x03,0x70,0x22,0x30,0x09,0xB0,0x00,0x00,0x10,0x04,0x42,0xB0,0x19,0x90,0x4E,0x75,
+0x0C,0xB0,0x00,0x00,0x00,0x0A,0x09,0xB0,0x00,0x00,0x19,0x78,0x67,0x00,0x00,0xA8,
+0x22,0x30,0x09,0xB0,0x00,0x00,0x19,0x68,0x24,0x01,0x4C,0x3C,0x20,0x00,0x00,0x00,
+0x00,0x0C,0xD4,0xB0,0x09,0xB0,0x00,0x00,0x10,0x04,0x06,0x82,0x00,0x00,0x00,0x1C,
+0x0C,0xB0,0x00,0x00,0x00,0x10,0x29,0x90,0x66,0x00,0x00,0x7C,0x20,0x70,0x29,0xA0,
+0x00,0x04,0xE7,0x89,0xD2,0xB0,0x09,0xB0,0x00,0x00,0x18,0x72,0x22,0x70,0x19,0xA0,
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+0x02,0x82,0xFF,0xFF,0xFF,0xFC,0x23,0xC8,0xFF,0xF9,0x01,0x04,0x23,0xC9,0xFF,0xF9,
+0x01,0x08,0x23,0xC2,0xFF,0xF9,0x01,0x0C,0x23,0xFC,0x00,0x00,0x01,0x03,0xFF,0xF9,
+0x01,0x28,0x61,0x00,0x01,0xF6,0x08,0xF0,0x00,0x1F,0x19,0x90,0x22,0x30,0x09,0xB0,
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+0x0C,0xBC,0x0C,0x42,0x0C,0x00,0x66,0x00,0x00,0xDC,0x42,0x83,0x36,0x30,0x19,0xA0,
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+0x60,0x00,0xFF,0xC2,0x24,0x30,0x09,0xB0,0x00,0x00,0x10,0x04,0x52,0xB0,0x29,0xA0,
+0x00,0x0C,0x60,0x00,0xFF,0xB0,0x4E,0x75,0x4A,0xB0,0x09,0xB0,0x00,0x00,0x19,0x78,
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+0xD2,0xB0,0x09,0xB0,0x00,0x00,0x18,0x72,0x36,0x30,0x19,0x90,0x08,0x03,0x00,0x0F,
+0x66,0x00,0x00,0x66,0x8C,0xB0,0x09,0xB0,0x00,0x00,0x18,0xA2,0x53,0xB0,0x09,0xB0,
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+0x19,0x58,0x4C,0x3C,0x20,0x00,0x00,0x00,0x00,0x0C,0xD4,0xB0,0x09,0xB0,0x00,0x00,
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+0x00,0x30,0x29,0x90,0x60,0x00,0xFF,0x72,0x4E,0x75,0x2F,0x00,0x40,0xE7,0x20,0x39,
+0xFF,0xF9,0x01,0x28,0x08,0x00,0x00,0x04,0x66,0x00,0x00,0x2C,0x4E,0x72,0x22,0x00,
+0x46,0xFC,0x27,0x00,0x60,0x00,0xFF,0xE8,0x2F,0x00,0x40,0xE7,0x20,0x39,0xFF,0xF9,
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+0xFF,0xF9,0x00,0xE0,0x23,0xC0,0xFF,0xF9,0x00,0xE0,0x81,0xB9,0x00,0x00,0x19,0x54,
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+0x00,0x00,0x00,0x00,0xFF,0xFC,0x16,0x30,0x00,0xB9,0x00,0x00,0x20,0x00,0x00,0x00,
+0x19,0x54,0x23,0xFC,0x20,0x00,0x00,0x00,0xFF,0xFC,0x15,0x4C,0x4E,0x73,0x00,0xB9,
+0x00,0x00,0x00,0x00,0xFF,0xFC,0x16,0x50,0x00,0xB9,0x00,0x00,0x40,0x00,0x00,0x00,
+0x19,0x54,0x23,0xFC,0x10,0x00,0x00,0x00,0xFF,0xFC,0x15,0x4C,0x4E,0x73,0x00,0xB9,
+0x00,0x00,0x00,0x00,0xFF,0xFC,0x16,0x70,0x00,0xB9,0x00,0x00,0x80,0x00,0x00,0x00,
+0x19,0x54,0x23,0xFC,0x08,0x00,0x00,0x00,0xFF,0xFC,0x15,0x4C,0x4E,0x73,0x4E,0x73,
+0x2F,0x00,0x2F,0x01,0x2F,0x02,0x2F,0x08,0x2F,0x09,0x42,0x80,0x20,0x7C,0xFF,0xFB,
+0x00,0x00,0x32,0x10,0x02,0x81,0x00,0x00,0x00,0xE7,0x0C,0x41,0x00,0x42,0x66,0x00,
+0x00,0x0A,0x32,0x3C,0x0E,0x08,0x60,0x00,0x00,0x3E,0x0C,0x41,0x00,0x63,0x66,0x00,
+0x00,0x0A,0x32,0x3C,0x04,0x08,0x60,0x00,0x00,0x2E,0x0C,0x41,0x00,0x84,0x66,0x00,
+0x00,0x0A,0x32,0x3C,0x02,0x08,0x60,0x00,0x00,0x1E,0x0C,0x41,0x00,0xA5,0x66,0x00,
+0x00,0x0A,0x32,0x3C,0x0D,0x08,0x60,0x00,0x00,0x0E,0x32,0x3C,0x00,0x08,0x34,0x3C,
+0x80,0xE7,0x60,0x00,0x00,0x14,0x34,0x30,0x09,0xB0,0x00,0x00,0x19,0xAA,0x02,0x42,
+0x30,0x00,0x82,0x42,0x34,0x3C,0x80,0xFF,0xB2,0x70,0x09,0xB0,0x00,0x00,0x19,0xAC,
+0x67,0x00,0x00,0x0C,0x31,0x81,0x09,0xB0,0x00,0x00,0x19,0xAC,0x30,0x81,0x32,0x39,
+0xFF,0xFC,0x15,0x66,0xC2,0x70,0x09,0xB0,0x00,0x00,0x19,0x02,0x67,0x00,0x00,0x0C,
+0x32,0x10,0x02,0x41,0xFF,0xF7,0x60,0x00,0x00,0x08,0x32,0x10,0x00,0x41,0x00,0x08,
+0xC2,0x42,0x22,0x70,0x09,0xB0,0x00,0x00,0x10,0x04,0xB2,0xA9,0x00,0x04,0x67,0x00,
+0x00,0x12,0x23,0x41,0x00,0x04,0x23,0xF0,0x09,0xB0,0x00,0x00,0x18,0xB2,0xFF,0xF9,
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+0x4E,0x73,0xFF,0xFC,0x16,0x00,0xFF,0xFC,0x16,0x20,0xFF,0xFC,0x16,0x40,0xFF,0xFC,
+0x16,0x60,0xFF,0xFC,0x0C,0x00,0xFF,0xFC,0x0D,0x00,0xFF,0xFC,0x0E,0x00,0xFF,0xFC,
+0x0F,0x00,0xFF,0xFC,0x00,0x00,0xFF,0xFC,0x01,0x40,0xFF,0xFC,0x02,0x80,0xFF,0xFC,
+0x03,0xC0,0xFF,0xFC,0x00,0x50,0xFF,0xFC,0x01,0x90,0xFF,0xFC,0x02,0xD0,0xFF,0xFC,
+0x04,0x10,0x00,0x00,0x40,0x00,0x00,0x01,0x2F,0x60,0x00,0x02,0x1E,0xC0,0x00,0x03,
+0x0E,0x20,0x00,0x00,0x00,0x01,0x00,0x00,0x00,0x02,0x00,0x00,0x00,0x04,0x00,0x00,
+0x00,0x08,0x00,0x00,0x00,0x20,0x00,0x00,0x00,0x40,0x00,0x00,0x00,0x80,0x00,0x00,
+0x01,0x00,0x00,0x00,0x00,0x10,0x00,0x00,0x00,0x11,0x00,0x00,0x00,0x12,0x00,0x00,
+0x00,0x13,0x00,0x00,0x00,0x2C,0x00,0x00,0x3E,0x00,0x00,0x2C,0x00,0x00,0x3E,0x00,
+0x00,0x00,0x00,0x00,0x00,0x2D,0x00,0x00,0x3F,0x00,0x00,0x2D,0x00,0x00,0x3F,0x00,
+0x00,0x00,0x00,0x00,0x00,0xFF,0x00,0x00,0xFF,0x00,0x00,0xFF,0x00,0x00,0xFF,0x00,
+0x00,0x00,0x00,0x20,0x00,0x00,0x00,0x80,0x00,0x00,0x02,0x00,0x00,0x00,0x08,0x00,
+0x77,0x61,0x6E,0x58,0x4C,0x20,0x66,0x69,0x72,0x6D,0x77,0x61,0x72,0x65,0x0A,0x43,
+0x6F,0x70,0x79,0x72,0x69,0x67,0x68,0x74,0x20,0x28,0x43,0x29,0x20,0x32,0x30,0x30,
+0x33,0x20,0x4B,0x72,0x7A,0x79,0x73,0x7A,0x74,0x6F,0x66,0x20,0x48,0x61,0x6C,0x61,
+0x73,0x61,0x20,0x3C,0x6B,0x68,0x63,0x40,0x70,0x6D,0x2E,0x77,0x61,0x77,0x2E,0x70,
+0x6C,0x3E,0x0A,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
+0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
+0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
+0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
+0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
+0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
+0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00
+};
--- linux-2.6.orig/drivers/net/wan/Kconfig 2003-09-13 16:26:23.000000000 +0200
+++ linux-2.6/drivers/net/wan/Kconfig 2003-09-13 16:37:07.000000000 +0200
@@ -342,6 +342,30 @@
comment "X.25/LAPB support is disabled"
depends on WAN && HDLC && (LAPB!=m || HDLC!=m) && LAPB!=y

+config WANXL
+ tristate "SBE Inc. wanXL support"
+ depends on HDLC && PCI
+ help
+ This driver is for wanXL PCI cards made by SBE Inc. If you have
+ such a card, say Y here and see <http://hq.pm.waw.pl/pub/hdlc/>.
+
+ If you want to compile the driver as a module ( = code which can be
+ inserted in and removed from the running kernel whenever you want),
+ say M here and read <file:Documentation/modules.txt>. The module
+ will be called wanxl.
+
+ If unsure, say N here.
+
+config WANXL_BUILD_FIRMWARE
+ bool "rebuild wanXL firmware"
+ depends on WANXL
+ help
+ This option allows you to rebuild firmware run by the QUICC
+ processor. It requires as68k, ld68k and hexdump programs.
+ You should never need this option.
+
+ If unsure, say N here.
+
config PC300
tristate "Cyclades-PC300 support (RS-232/V.35, X.21, T1/E1 boards)"
depends on HDLC && PCI
\
 
 \ /
  Last update: 2005-03-22 13:48    [W:0.188 / U:0.324 seconds]
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