static int __init lasi_init_chip(struct parisc_device *dev)
{
extern void (*chassis_power_off)(void);
struct gsc_asic *lasi;
struct gsc_irq gsc_irq;
int ret;
lasi = kzalloc(sizeof(*lasi), GFP_KERNEL);
if (!lasi)
return -ENOMEM;
lasi->name = "Lasi";
lasi->hpa = dev->hpa.start;
lasi->version = gsc_readl(lasi->hpa + LASI_VER) & 0xf;
printk(KERN_INFO "%s version %d at 0x%lx found.\n",
lasi->name, lasi->version, lasi->hpa);
lasi_led_init(lasi->hpa);
lasi_init_irq(lasi);
dev->irq = gsc_alloc_irq(&gsc_irq);
if (dev->irq < 0) {
printk(KERN_ERR "%s(): cannot get GSC irq\n",
__func__);
kfree(lasi);
return -EBUSY;
}
lasi->eim = ((u32) gsc_irq.txn_addr) | gsc_irq.txn_data;
ret = request_irq(gsc_irq.irq, gsc_asic_intr, 0, "lasi", lasi);
if (ret < 0) {
kfree(lasi);
return ret;
}
gsc_writel(lasi->eim, lasi->hpa + OFFSET_IAR);
ret = gsc_common_setup(dev, lasi);
if (ret) {
kfree(lasi);
return ret;
}
gsc_fixup_irqs(dev, lasi, lasi_choose_irq);
lasi_power_off_hpa = lasi->hpa;
chassis_power_off = lasi_power_off;
return ret;
}
static int __init lasi_init_chip(struct parisc_device *dev)
{
extern void (*chassis_power_off)(void);
struct gsc_asic *lasi;
struct gsc_irq gsc_irq;
int ret;
lasi = kzalloc(sizeof(*lasi), GFP_KERNEL);
if (!lasi)
return -ENOMEM;
lasi->name = "Lasi";
lasi->hpa = dev->hpa.start;
/* Check the 4-bit (yes, only 4) version register */
lasi->version = gsc_readl(lasi->hpa + LASI_VER) & 0xf;
printk(KERN_INFO "%s version %d at 0x%lx found.\n",
lasi->name, lasi->version, lasi->hpa);
/* initialize the chassis LEDs really early */
lasi_led_init(lasi->hpa);
/* Stop LASI barking for a bit */
lasi_init_irq(lasi);
/* the IRQ lasi should use */
dev->irq = gsc_alloc_irq(&gsc_irq);
if (dev->irq < 0) {
printk(KERN_ERR "%s(): cannot get GSC irq\n",
__func__);
kfree(lasi);
return -EBUSY;
}
lasi->eim = ((u32) gsc_irq.txn_addr) | gsc_irq.txn_data;
ret = request_irq(gsc_irq.irq, gsc_asic_intr, 0, "lasi", lasi);
if (ret < 0) {
kfree(lasi);
return ret;
}
/* enable IRQ's for devices below LASI */
gsc_writel(lasi->eim, lasi->hpa + OFFSET_IAR);
/* Done init'ing, register this driver */
ret = gsc_common_setup(dev, lasi);
if (ret) {
kfree(lasi);
return ret;
}
gsc_fixup_irqs(dev, lasi, lasi_choose_irq);
/* initialize the power off function */
lasi_power_off_hpa = lasi->hpa;
chassis_power_off = lasi_power_off;
return ret;
}
int __init
lasi_init_chip(struct parisc_device *dev)
{
struct busdevice *lasi;
struct gsc_irq gsc_irq;
int irq, ret;
lasi = kmalloc(sizeof(struct busdevice), GFP_KERNEL);
if (!lasi)
return -ENOMEM;
lasi->name = "Lasi";
lasi->hpa = dev->hpa;
/* Check the 4-bit (yes, only 4) version register */
lasi->version = gsc_readl(lasi->hpa + LASI_VER) & 0xf;
printk(KERN_INFO "%s version %d at 0x%lx found.\n",
lasi->name, lasi->version, lasi->hpa);
/* initialize the chassis LEDs really early */
lasi_led_init(lasi->hpa);
/* Stop LASI barking for a bit */
lasi_init_irq(lasi);
/* the IRQ lasi should use */
irq = gsc_alloc_irq(&gsc_irq);
if (irq < 0) {
printk(KERN_ERR "%s(): cannot get GSC irq\n",
__FUNCTION__);
kfree(lasi);
return -EBUSY;
}
ret = request_irq(gsc_irq.irq, busdev_barked, 0, "lasi", lasi);
if (ret < 0) {
kfree(lasi);
return ret;
}
/* Save this for debugging later */
lasi->parent_irq = gsc_irq.irq;
lasi->eim = ((u32) gsc_irq.txn_addr) | gsc_irq.txn_data;
/* enable IRQ's for devices below LASI */
gsc_writel(lasi->eim, lasi->hpa + OFFSET_IAR);
/* Done init'ing, register this driver */
ret = gsc_common_irqsetup(dev, lasi);
if (ret) {
kfree(lasi);
return ret;
}
fixup_child_irqs(dev, lasi->busdev_region->data.irqbase,
lasi_choose_irq);
/* initialize the power off function */
/* FIXME: Record the LASI HPA for the power off function. This should
* ensure that only the first LASI (the one controlling the power off)
* should set the HPA here */
lasi_power_off_hpa = lasi->hpa;
pm_power_off = lasi_power_off;
return ret;
}
static int __init
zalon_probe(struct parisc_device *dev)
{
struct gsc_irq gsc_irq;
u32 zalon_vers;
int irq, error = -ENODEV;
unsigned long zalon = dev->hpa;
unsigned long io_port = zalon + GSC_SCSI_ZALON_OFFSET;
static int unit = 0;
struct Scsi_Host *host;
struct ncr_device device;
__raw_writel(CMD_RESET, zalon + IO_MODULE_IO_COMMAND);
while (!(__raw_readl(zalon + IO_MODULE_IO_STATUS) & IOSTATUS_RY))
;
__raw_writel(IOIIDATA_MINT5EN | IOIIDATA_PACKEN | IOIIDATA_PREFETCHEN,
zalon + IO_MODULE_II_CDATA);
/* XXX: Save the Zalon version for bug workarounds? */
zalon_vers = __raw_readl(dev->hpa + IO_MODULE_II_CDATA) & 0x07000000;
zalon_vers >>= 24;
/* Setup the interrupts first.
** Later on request_irq() will register the handler.
*/
irq = gsc_alloc_irq(&gsc_irq);
printk("%s: Zalon vers field is 0x%x, IRQ %d\n", __FUNCTION__,
zalon_vers, irq);
__raw_writel(gsc_irq.txn_addr | gsc_irq.txn_data, dev->hpa + IO_MODULE_EIM);
if (zalon_vers == 0)
printk(KERN_WARNING "%s: Zalon 1.1 or earlier\n", __FUNCTION__);
memset(&device, 0, sizeof(struct ncr_device));
/* The following three are needed before any other access. */
writeb(0x20, io_port + 0x38); /* DCNTL_REG, EA */
writeb(0x04, io_port + 0x1b); /* CTEST0_REG, EHP */
writeb(0x80, io_port + 0x22); /* CTEST4_REG, MUX */
/* Initialise ncr_device structure with items required by ncr_attach. */
device.chip = zalon720_chip;
device.host_id = 7;
device.dev = &dev->dev;
device.slot.base = (u_long)io_port;
device.slot.base_c = (u_long)io_port;
device.slot.irq = irq;
device.differential = 2;
host = ncr_attach(&zalon7xx_template, unit, &device);
if (!host)
goto fail;
if (request_irq(irq, ncr53c8xx_intr, SA_SHIRQ, dev->dev.bus_id, host)) {
printk(KERN_ERR "%s: irq problem with %d, detaching\n ",
dev->dev.bus_id, irq);
goto fail;
}
unit++;
dev_set_drvdata(&dev->dev, host);
error = scsi_add_host(host, &dev->dev);
if (error)
goto fail_free_irq;
scsi_scan_host(host);
return 0;
fail_free_irq:
free_irq(irq, host);
fail:
ncr53c8xx_release(host);
return error;
}
