- struct linux_ebus *ebus;
- struct linux_ebus_device *edev;
- int count = 0;
-
- for_each_ebus(ebus) {
- for_each_ebusdev(edev, ebus) {
- if (ebus_ecpp_p(edev)) {
- unsigned long base = edev->resource[0].start;
- unsigned long config = edev->resource[1].start;
- unsigned long d_base = edev->resource[2].start;
- unsigned long d_len;
-
- spin_lock_init(&sparc_ebus_dmas[count].info.lock);
- d_len = (edev->resource[2].end -
- d_base) + 1;
- sparc_ebus_dmas[count].info.regs =
- ioremap(d_base, d_len);
- if (!sparc_ebus_dmas[count].info.regs)
- continue;
- sparc_ebus_dmas[count].info.flags = 0;
- sparc_ebus_dmas[count].info.callback = NULL;
- sparc_ebus_dmas[count].info.client_cookie = NULL;
- sparc_ebus_dmas[count].info.irq = 0xdeadbeef;
- strcpy(sparc_ebus_dmas[count].info.name, "parport");
- if (ebus_dma_register(&sparc_ebus_dmas[count].info))
- continue;
- ebus_dma_irq_enable(&sparc_ebus_dmas[count].info, 1);
-
- /* Configure IRQ to Push Pull, Level Low */
- /* Enable ECP, set bit 2 of the CTR first */
- outb(0x04, base + 0x02);
- ns87303_modify(config, PCR,
- PCR_EPP_ENABLE |
- PCR_IRQ_ODRAIN,
- PCR_ECP_ENABLE |
- PCR_ECP_CLK_ENA |
- PCR_IRQ_POLAR);
-
- /* CTR bit 5 controls direction of port */
- ns87303_modify(config, PTR,
- 0, PTR_LPT_REG_DIR);
-
- if (parport_pc_probe_port(base, base + 0x400,
- edev->irqs[0],
- count,
- &ebus->self->dev))
- count++;
- }
- }
- }