static int __devinit parport_init_chip(struct parisc_device *dev)
{
struct parport *p;
unsigned long port;
if (!dev->irq) {
printk("IRQ not found for parallel device at 0x%lx\n", dev->hpa);
return -ENODEV;
}
port = dev->hpa + PARPORT_GSC_OFFSET;
/* some older machines with ASP-chip don't support
* the enhanced parport modes.
*/
if (boot_cpu_data.cpu_type > pcxt && !pdc_add_valid(port+4)) {
/* Initialize bidirectional-mode (0x10) & data-tranfer-mode #1 (0x20) */
printk("%s: initialize bidirectional-mode.\n", __FUNCTION__);
parport_writeb ( (0x10 + 0x20), port + 4);
} else {
printk("%s: enhanced parport-modes not supported.\n", __FUNCTION__);
}
p = parport_gsc_probe_port(port, 0, dev->irq,
/* PARPORT_IRQ_NONE */ PARPORT_DMA_NONE, NULL);
if (p)
parport_count++;
dev->dev.driver_data = p;
return 0;
}
static void __init
lasi_init_irq(struct gsc_asic *this_lasi)
{
unsigned long lasi_base = this_lasi->hpa;
/* Stop LASI barking for a bit */
gsc_writel(0x00000000, lasi_base+OFFSET_IMR);
/* clear pending interrupts */
gsc_readl(lasi_base+OFFSET_IRR);
/* We're not really convinced we want to reset the onboard
* devices. Firmware does it for us...
*/
/* Resets */
/* gsc_writel(0xFFFFFFFF, lasi_base+0x2000);*/ /* Parallel */
if(pdc_add_valid(lasi_base+0x4004) == PDC_OK)
gsc_writel(0xFFFFFFFF, lasi_base+0x4004); /* Audio */
/* gsc_writel(0xFFFFFFFF, lasi_base+0x5000);*/ /* Serial */
/* gsc_writel(0xFFFFFFFF, lasi_base+0x6000);*/ /* SCSI */
gsc_writel(0xFFFFFFFF, lasi_base+0x7000); /* LAN */
gsc_writel(0xFFFFFFFF, lasi_base+0x8000); /* Keyboard */
gsc_writel(0xFFFFFFFF, lasi_base+0xA000); /* FDC */
/* Ok we hit it on the head with a hammer, our Dog is now
** comatose and muzzled. Devices will now unmask LASI
** interrupts as they are registered as irq's in the LASI range.
*/
/* XXX: I thought it was `awks that got `it on the `ead with an
* `ammer. -- willy
*/
}
static void __init
lasi_init_irq(struct gsc_asic *this_lasi)
{
unsigned long lasi_base = this_lasi->hpa;
gsc_writel(0x00000000, lasi_base+OFFSET_IMR);
gsc_readl(lasi_base+OFFSET_IRR);
if(pdc_add_valid(lasi_base+0x4004) == PDC_OK)
gsc_writel(0xFFFFFFFF, lasi_base+0x4004);
gsc_writel(0xFFFFFFFF, lasi_base+0x7000);
gsc_writel(0xFFFFFFFF, lasi_base+0x8000);
gsc_writel(0xFFFFFFFF, lasi_base+0xA000);
}