static int __devinit pci200_pci_init_one(struct pci_dev *pdev,
const struct pci_device_id *ent)
{
card_t *card;
u32 __iomem *p;
int i;
u32 ramsize;
u32 ramphys; /* buffer memory base */
u32 scaphys; /* SCA memory base */
u32 plxphys; /* PLX registers memory base */
i = pci_enable_device(pdev);
if (i)
return i;
i = pci_request_regions(pdev, "PCI200SYN");
if (i) {
pci_disable_device(pdev);
return i;
}
card = kzalloc(sizeof(card_t), GFP_KERNEL);
if (card == NULL) {
printk(KERN_ERR "pci200syn: unable to allocate memory\n");
pci_release_regions(pdev);
pci_disable_device(pdev);
return -ENOBUFS;
}
pci_set_drvdata(pdev, card);
card->ports[0].netdev = alloc_hdlcdev(&card->ports[0]);
card->ports[1].netdev = alloc_hdlcdev(&card->ports[1]);
if (!card->ports[0].netdev || !card->ports[1].netdev) {
printk(KERN_ERR "pci200syn: unable to allocate memory\n");
pci200_pci_remove_one(pdev);
return -ENOMEM;
}
if (pci_resource_len(pdev, 0) != PCI200SYN_PLX_SIZE ||
pci_resource_len(pdev, 2) != PCI200SYN_SCA_SIZE ||
pci_resource_len(pdev, 3) < 16384) {
printk(KERN_ERR "pci200syn: invalid card EEPROM parameters\n");
pci200_pci_remove_one(pdev);
return -EFAULT;
}
plxphys = pci_resource_start(pdev,0) & PCI_BASE_ADDRESS_MEM_MASK;
card->plxbase = ioremap(plxphys, PCI200SYN_PLX_SIZE);
scaphys = pci_resource_start(pdev,2) & PCI_BASE_ADDRESS_MEM_MASK;
card->scabase = ioremap(scaphys, PCI200SYN_SCA_SIZE);
ramphys = pci_resource_start(pdev,3) & PCI_BASE_ADDRESS_MEM_MASK;
card->rambase = pci_ioremap_bar(pdev, 3);
if (card->plxbase == NULL ||
card->scabase == NULL ||
card->rambase == NULL) {
printk(KERN_ERR "pci200syn: ioremap() failed\n");
pci200_pci_remove_one(pdev);
return -EFAULT;
}
/* Reset PLX */
p = &card->plxbase->init_ctrl;
writel(readl(p) | 0x40000000, p);
readl(p); /* Flush the write - do not use sca_flush */
udelay(1);
writel(readl(p) & ~0x40000000, p);
readl(p); /* Flush the write - do not use sca_flush */
udelay(1);
ramsize = sca_detect_ram(card, card->rambase,
pci_resource_len(pdev, 3));
/* number of TX + RX buffers for one port - this is dual port card */
i = ramsize / (2 * (sizeof(pkt_desc) + HDLC_MAX_MRU));
card->tx_ring_buffers = min(i / 2, MAX_TX_BUFFERS);
card->rx_ring_buffers = i - card->tx_ring_buffers;
card->buff_offset = 2 * sizeof(pkt_desc) * (card->tx_ring_buffers +
card->rx_ring_buffers);
printk(KERN_INFO "pci200syn: %u KB RAM at 0x%x, IRQ%u, using %u TX +"
" %u RX packets rings\n", ramsize / 1024, ramphys,
pdev->irq, card->tx_ring_buffers, card->rx_ring_buffers);
if (card->tx_ring_buffers < 1) {
printk(KERN_ERR "pci200syn: RAM test failed\n");
pci200_pci_remove_one(pdev);
return -EFAULT;
}
/* Enable interrupts on the PCI bridge */
p = &card->plxbase->intr_ctrl_stat;
writew(readw(p) | 0x0040, p);
/* Allocate IRQ */
if (request_irq(pdev->irq, sca_intr, IRQF_SHARED, "pci200syn", card)) {
printk(KERN_WARNING "pci200syn: could not allocate IRQ%d.\n",
pdev->irq);
pci200_pci_remove_one(pdev);
return -EBUSY;
}
card->irq = pdev->irq;
sca_init(card, 0);
for (i = 0; i < 2; i++) {
port_t *port = &card->ports[i];
struct net_device *dev = port->netdev;
hdlc_device *hdlc = dev_to_hdlc(dev);
port->chan = i;
spin_lock_init(&port->lock);
dev->irq = card->irq;
dev->mem_start = ramphys;
dev->mem_end = ramphys + ramsize - 1;
dev->tx_queue_len = 50;
dev->netdev_ops = &pci200_ops;
hdlc->attach = sca_attach;
hdlc->xmit = sca_xmit;
port->settings.clock_type = CLOCK_EXT;
port->card = card;
sca_init_port(port);
if (register_hdlc_device(dev)) {
printk(KERN_ERR "pci200syn: unable to register hdlc "
"device\n");
port->card = NULL;
pci200_pci_remove_one(pdev);
return -ENOBUFS;
}
printk(KERN_INFO "%s: PCI200SYN channel %d\n",
dev->name, port->chan);
}
sca_flush(card);
return 0;
}
static int __init c101_run(unsigned long irq, unsigned long winbase)
{
struct net_device *dev;
hdlc_device *hdlc;
card_t *card;
int result;
if (irq<3 || irq>15 || irq == 6) /* FIXME */ {
printk(KERN_ERR "c101: invalid IRQ value\n");
return -ENODEV;
}
if (winbase < 0xC0000 || winbase > 0xDFFFF || (winbase & 0x3FFF) !=0) {
printk(KERN_ERR "c101: invalid RAM value\n");
return -ENODEV;
}
card = kzalloc(sizeof(card_t), GFP_KERNEL);
if (card == NULL) {
printk(KERN_ERR "c101: unable to allocate memory\n");
return -ENOBUFS;
}
card->dev = alloc_hdlcdev(card);
if (!card->dev) {
printk(KERN_ERR "c101: unable to allocate memory\n");
kfree(card);
return -ENOBUFS;
}
if (request_irq(irq, sca_intr, 0, devname, card)) {
printk(KERN_ERR "c101: could not allocate IRQ\n");
c101_destroy_card(card);
return -EBUSY;
}
card->irq = irq;
if (!request_mem_region(winbase, C101_MAPPED_RAM_SIZE, devname)) {
printk(KERN_ERR "c101: could not request RAM window\n");
c101_destroy_card(card);
return -EBUSY;
}
card->phy_winbase = winbase;
card->win0base = ioremap(winbase, C101_MAPPED_RAM_SIZE);
if (!card->win0base) {
printk(KERN_ERR "c101: could not map I/O address\n");
c101_destroy_card(card);
return -EFAULT;
}
card->tx_ring_buffers = TX_RING_BUFFERS;
card->rx_ring_buffers = RX_RING_BUFFERS;
card->buff_offset = C101_WINDOW_SIZE; /* Bytes 1D00-1FFF reserved */
readb(card->win0base + C101_PAGE); /* Resets SCA? */
udelay(100);
writeb(0, card->win0base + C101_PAGE);
writeb(0, card->win0base + C101_DTR); /* Power-up for RAM? */
sca_init(card, 0);
dev = port_to_dev(card);
hdlc = dev_to_hdlc(dev);
spin_lock_init(&card->lock);
dev->irq = irq;
dev->mem_start = winbase;
dev->mem_end = winbase + C101_MAPPED_RAM_SIZE - 1;
dev->tx_queue_len = 50;
dev->netdev_ops = &c101_ops;
hdlc->attach = sca_attach;
hdlc->xmit = sca_xmit;
card->settings.clock_type = CLOCK_EXT;
result = register_hdlc_device(dev);
if (result) {
printk(KERN_WARNING "c101: unable to register hdlc device\n");
c101_destroy_card(card);
return result;
}
sca_init_port(card); /* Set up C101 memory */
set_carrier(card);
printk(KERN_INFO "%s: Moxa C101 on IRQ%u,"
" using %u TX + %u RX packets rings\n",
dev->name, card->irq,
card->tx_ring_buffers, card->rx_ring_buffers);
*new_card = card;
new_card = &card->next_card;
return 0;
}
static int __devinit pc300_pci_init_one(struct pci_dev *pdev,
const struct pci_device_id *ent)
{
card_t *card;
u32 __iomem *p;
int i;
u32 ramsize;
u32 ramphys; /* buffer memory base */
u32 scaphys; /* SCA memory base */
u32 plxphys; /* PLX registers memory base */
i = pci_enable_device(pdev);
if (i)
return i;
i = pci_request_regions(pdev, "PC300");
if (i) {
pci_disable_device(pdev);
return i;
}
card = kzalloc(sizeof(card_t), GFP_KERNEL);
if (card == NULL) {
printk(KERN_ERR "pc300: unable to allocate memory\n");
pci_release_regions(pdev);
pci_disable_device(pdev);
return -ENOBUFS;
}
pci_set_drvdata(pdev, card);
if (pci_resource_len(pdev, 0) != PC300_PLX_SIZE ||
pci_resource_len(pdev, 2) != PC300_SCA_SIZE ||
pci_resource_len(pdev, 3) < 16384) {
printk(KERN_ERR "pc300: invalid card EEPROM parameters\n");
pc300_pci_remove_one(pdev);
return -EFAULT;
}
plxphys = pci_resource_start(pdev, 0) & PCI_BASE_ADDRESS_MEM_MASK;
card->plxbase = ioremap(plxphys, PC300_PLX_SIZE);
scaphys = pci_resource_start(pdev, 2) & PCI_BASE_ADDRESS_MEM_MASK;
card->scabase = ioremap(scaphys, PC300_SCA_SIZE);
ramphys = pci_resource_start(pdev, 3) & PCI_BASE_ADDRESS_MEM_MASK;
card->rambase = pci_ioremap_bar(pdev, 3);
if (card->plxbase == NULL ||
card->scabase == NULL ||
card->rambase == NULL) {
printk(KERN_ERR "pc300: ioremap() failed\n");
pc300_pci_remove_one(pdev);
}
/* PLX PCI 9050 workaround for local configuration register read bug */
pci_write_config_dword(pdev, PCI_BASE_ADDRESS_0, scaphys);
card->init_ctrl_value = readl(&((plx9050 __iomem *)card->scabase)->init_ctrl);
pci_write_config_dword(pdev, PCI_BASE_ADDRESS_0, plxphys);
if (pdev->device == PCI_DEVICE_ID_PC300_TE_1 ||
pdev->device == PCI_DEVICE_ID_PC300_TE_2)
card->type = PC300_TE; /* not fully supported */
else if (card->init_ctrl_value & PC300_CTYPE_MASK)
card->type = PC300_X21;
else
card->type = PC300_RSV;
if (pdev->device == PCI_DEVICE_ID_PC300_RX_1 ||
pdev->device == PCI_DEVICE_ID_PC300_TE_1)
card->n_ports = 1;
else
card->n_ports = 2;
for (i = 0; i < card->n_ports; i++)
if (!(card->ports[i].netdev = alloc_hdlcdev(&card->ports[i]))) {
printk(KERN_ERR "pc300: unable to allocate memory\n");
pc300_pci_remove_one(pdev);
return -ENOMEM;
}
/* Reset PLX */
p = &card->plxbase->init_ctrl;
writel(card->init_ctrl_value | 0x40000000, p);
readl(p); /* Flush the write - do not use sca_flush */
udelay(1);
writel(card->init_ctrl_value, p);
readl(p); /* Flush the write - do not use sca_flush */
udelay(1);
/* Reload Config. Registers from EEPROM */
writel(card->init_ctrl_value | 0x20000000, p);
readl(p); /* Flush the write - do not use sca_flush */
udelay(1);
writel(card->init_ctrl_value, p);
readl(p); /* Flush the write - do not use sca_flush */
udelay(1);
ramsize = sca_detect_ram(card, card->rambase,
pci_resource_len(pdev, 3));
if (use_crystal_clock)
card->init_ctrl_value &= ~PC300_CLKSEL_MASK;
else
card->init_ctrl_value |= PC300_CLKSEL_MASK;
writel(card->init_ctrl_value, &card->plxbase->init_ctrl);
/* number of TX + RX buffers for one port */
i = ramsize / (card->n_ports * (sizeof(pkt_desc) + HDLC_MAX_MRU));
card->tx_ring_buffers = min(i / 2, MAX_TX_BUFFERS);
card->rx_ring_buffers = i - card->tx_ring_buffers;
card->buff_offset = card->n_ports * sizeof(pkt_desc) *
(card->tx_ring_buffers + card->rx_ring_buffers);
printk(KERN_INFO "pc300: PC300/%s, %u KB RAM at 0x%x, IRQ%u, "
"using %u TX + %u RX packets rings\n",
card->type == PC300_X21 ? "X21" :
card->type == PC300_TE ? "TE" : "RSV",
ramsize / 1024, ramphys, pdev->irq,
card->tx_ring_buffers, card->rx_ring_buffers);
if (card->tx_ring_buffers < 1) {
printk(KERN_ERR "pc300: RAM test failed\n");
pc300_pci_remove_one(pdev);
return -EFAULT;
}
/* Enable interrupts on the PCI bridge, LINTi1 active low */
writew(0x0041, &card->plxbase->intr_ctrl_stat);
/* Allocate IRQ */
if (request_irq(pdev->irq, sca_intr, IRQF_SHARED, "pc300", card)) {
printk(KERN_WARNING "pc300: could not allocate IRQ%d.\n",
pdev->irq);
pc300_pci_remove_one(pdev);
return -EBUSY;
}
card->irq = pdev->irq;
sca_init(card, 0);
// COTE not set - allows better TX DMA settings
// sca_out(sca_in(PCR, card) | PCR_COTE, PCR, card);
sca_out(0x10, BTCR, card);
for (i = 0; i < card->n_ports; i++) {
port_t *port = &card->ports[i];
struct net_device *dev = port->netdev;
hdlc_device *hdlc = dev_to_hdlc(dev);
port->chan = i;
spin_lock_init(&port->lock);
dev->irq = card->irq;
dev->mem_start = ramphys;
dev->mem_end = ramphys + ramsize - 1;
dev->tx_queue_len = 50;
dev->netdev_ops = &pc300_ops;
hdlc->attach = sca_attach;
hdlc->xmit = sca_xmit;
port->settings.clock_type = CLOCK_EXT;
port->card = card;
if (card->type == PC300_X21)
port->iface = IF_IFACE_X21;
else
port->iface = IF_IFACE_V35;
sca_init_port(port);
if (register_hdlc_device(dev)) {
printk(KERN_ERR "pc300: unable to register hdlc "
"device\n");
port->card = NULL;
pc300_pci_remove_one(pdev);
return -ENOBUFS;
}
printk(KERN_INFO "%s: PC300 channel %d\n",
dev->name, port->chan);
}
return 0;
}
static int __init n2_run(unsigned long io, unsigned long irq,
unsigned long winbase, long valid0, long valid1)
{
card_t *card;
u8 cnt, pcr;
int i;
if (io < 0x200 || io > 0x3FF || (io % N2_IOPORTS) != 0) {
printk(KERN_ERR "n2: invalid I/O port value\n");
return -ENODEV;
}
if (irq < 3 || irq > 15 || irq == 6) /* FIXME */ {
printk(KERN_ERR "n2: invalid IRQ value\n");
return -ENODEV;
}
if (winbase < 0xA0000 || winbase > 0xFFFFF || (winbase & 0xFFF) != 0) {
printk(KERN_ERR "n2: invalid RAM value\n");
return -ENODEV;
}
card = kzalloc(sizeof(card_t), GFP_KERNEL);
if (card == NULL) {
printk(KERN_ERR "n2: unable to allocate memory\n");
return -ENOBUFS;
}
card->ports[0].dev = alloc_hdlcdev(&card->ports[0]);
card->ports[1].dev = alloc_hdlcdev(&card->ports[1]);
if (!card->ports[0].dev || !card->ports[1].dev) {
printk(KERN_ERR "n2: unable to allocate memory\n");
n2_destroy_card(card);
return -ENOMEM;
}
if (!request_region(io, N2_IOPORTS, devname)) {
printk(KERN_ERR "n2: I/O port region in use\n");
n2_destroy_card(card);
return -EBUSY;
}
card->io = io;
if (request_irq(irq, sca_intr, 0, devname, card)) {
printk(KERN_ERR "n2: could not allocate IRQ\n");
n2_destroy_card(card);
return(-EBUSY);
}
card->irq = irq;
if (!request_mem_region(winbase, USE_WINDOWSIZE, devname)) {
printk(KERN_ERR "n2: could not request RAM window\n");
n2_destroy_card(card);
return(-EBUSY);
}
card->phy_winbase = winbase;
card->winbase = ioremap(winbase, USE_WINDOWSIZE);
if (!card->winbase) {
printk(KERN_ERR "n2: ioremap() failed\n");
n2_destroy_card(card);
return -EFAULT;
}
outb(0, io + N2_PCR);
outb(winbase >> 12, io + N2_BAR);
switch (USE_WINDOWSIZE) {
case 16384:
outb(WIN16K, io + N2_PSR);
break;
case 32768:
outb(WIN32K, io + N2_PSR);
break;
case 65536:
outb(WIN64K, io + N2_PSR);
break;
default:
printk(KERN_ERR "n2: invalid window size\n");
n2_destroy_card(card);
return -ENODEV;
}
pcr = PCR_ENWIN | PCR_VPM | (USE_BUS16BITS ? PCR_BUS16 : 0);
outb(pcr, io + N2_PCR);
card->ram_size = sca_detect_ram(card, card->winbase, MAX_RAM_SIZE);
/* number of TX + RX buffers for one port */
i = card->ram_size / ((valid0 + valid1) * (sizeof(pkt_desc) +
HDLC_MAX_MRU));
card->tx_ring_buffers = min(i / 2, MAX_TX_BUFFERS);
card->rx_ring_buffers = i - card->tx_ring_buffers;
card->buff_offset = (valid0 + valid1) * sizeof(pkt_desc) *
(card->tx_ring_buffers + card->rx_ring_buffers);
printk(KERN_INFO "n2: RISCom/N2 %u KB RAM, IRQ%u, "
"using %u TX + %u RX packets rings\n", card->ram_size / 1024,
card->irq, card->tx_ring_buffers, card->rx_ring_buffers);
if (card->tx_ring_buffers < 1) {
printk(KERN_ERR "n2: RAM test failed\n");
n2_destroy_card(card);
return -EIO;
}
pcr |= PCR_RUNSCA; /* run SCA */
outb(pcr, io + N2_PCR);
outb(0, io + N2_MCR);
sca_init(card, 0);
for (cnt = 0; cnt < 2; cnt++) {
port_t *port = &card->ports[cnt];
struct net_device *dev = port_to_dev(port);
hdlc_device *hdlc = dev_to_hdlc(dev);
if ((cnt == 0 && !valid0) || (cnt == 1 && !valid1))
continue;
port->phy_node = cnt;
port->valid = 1;
if ((cnt == 1) && valid0)
port->log_node = 1;
spin_lock_init(&port->lock);
dev->irq = irq;
dev->mem_start = winbase;
dev->mem_end = winbase + USE_WINDOWSIZE - 1;
dev->tx_queue_len = 50;
dev->netdev_ops = &n2_ops;
hdlc->attach = sca_attach;
hdlc->xmit = sca_xmit;
port->settings.clock_type = CLOCK_EXT;
port->card = card;
if (register_hdlc_device(dev)) {
printk(KERN_WARNING "n2: unable to register hdlc "
"device\n");
port->card = NULL;
n2_destroy_card(card);
return -ENOBUFS;
}
sca_init_port(port); /* Set up SCA memory */
printk(KERN_INFO "%s: RISCom/N2 node %d\n",
dev->name, port->phy_node);
}
*new_card = card;
new_card = &card->next_card;
return 0;
}