void __init arch_init_irq(void) { int i; if (IS_LASAT_200()) { lasat_int_status = (void *)LASAT_INT_STATUS_REG_200; lasat_int_mask = (void *)LASAT_INT_MASK_REG_200; lasat_int_mask_shift = LASATINT_MASK_SHIFT_200; get_int_status = get_int_status_200; *lasat_int_mask &= 0xffff; } else { lasat_int_status = (void *)LASAT_INT_STATUS_REG_100; lasat_int_mask = (void *)LASAT_INT_MASK_REG_100; lasat_int_mask_shift = LASATINT_MASK_SHIFT_100; get_int_status = get_int_status_100; *lasat_int_mask = 0; } mips_cpu_irq_init(); for (i = LASAT_IRQ_BASE; i <= LASAT_IRQ_END; i++) irq_set_chip_and_handler(i, &lasat_irq_type, handle_level_irq); setup_irq(LASAT_CASCADE_IRQ, &cascade); }
void __init prom_init(void) { int argc = fw_arg0; char **argv = (char **) fw_arg1; setup_prom_vectors(); if (IS_LASAT_200()) { printk(KERN_INFO "LASAT 200 board\n"); lasat_ndelay_divider = LASAT_200_DIVIDER; at93c = &at93c_defs[1]; } else { printk(KERN_INFO "LASAT 100 board\n"); lasat_ndelay_divider = LASAT_100_DIVIDER; at93c = &at93c_defs[0]; } lasat_init_board_info(); /* */ /* */ if (argc > 0) { strncpy(arcs_cmdline, argv[0], COMMAND_LINE_SIZE-1); arcs_cmdline[COMMAND_LINE_SIZE-1] = '\0'; } /* */ set_io_port_base(KSEG1); /* */ ioport_resource.start = 0; ioport_resource.end = 0xffffffff; /* */ add_memory_region(0, lasat_board_info.li_memsize, BOOT_MEM_RAM); }
static __init int lasat_uart_add(void) { struct platform_device *pdev; int retval; pdev = platform_device_alloc("serial8250", -1); if (!pdev) return -ENOMEM; if (!IS_LASAT_200()) { lasat_serial_res[0].start = KSEG1ADDR(LASAT_UART_REGS_BASE_100); lasat_serial_res[0].end = lasat_serial_res[0].start + LASAT_UART_REGS_SHIFT_100 * 8 - 1; lasat_serial_res[0].flags = IORESOURCE_MEM; lasat_serial_res[1].start = LASATINT_UART_100; lasat_serial_res[1].end = LASATINT_UART_100; lasat_serial_res[1].flags = IORESOURCE_IRQ; lasat_serial8250_port[0].mapbase = LASAT_UART_REGS_BASE_100; lasat_serial8250_port[0].uartclk = LASAT_BASE_BAUD_100 * 16; lasat_serial8250_port[0].regshift = LASAT_UART_REGS_SHIFT_100; lasat_serial8250_port[0].irq = LASATINT_UART_100; } else { lasat_serial_res[0].start = KSEG1ADDR(LASAT_UART_REGS_BASE_200); lasat_serial_res[0].end = lasat_serial_res[0].start + LASAT_UART_REGS_SHIFT_200 * 8 - 1; lasat_serial_res[0].flags = IORESOURCE_MEM; lasat_serial_res[1].start = LASATINT_UART_200; lasat_serial_res[1].end = LASATINT_UART_200; lasat_serial_res[1].flags = IORESOURCE_IRQ; lasat_serial8250_port[0].mapbase = LASAT_UART_REGS_BASE_200; lasat_serial8250_port[0].uartclk = LASAT_BASE_BAUD_200 * 16; lasat_serial8250_port[0].regshift = LASAT_UART_REGS_SHIFT_200; lasat_serial8250_port[0].irq = LASATINT_UART_200; } pdev->id = PLAT8250_DEV_PLATFORM; pdev->dev.platform_data = lasat_serial8250_port; retval = platform_device_add_resources(pdev, lasat_serial_res, ARRAY_SIZE(lasat_serial_res)); if (retval) goto err_free_device; retval = platform_device_add(pdev); if (retval) goto err_free_device; return 0; err_free_device: platform_device_put(pdev); return retval; }
static int __init lasat_pci_setup(void) { printk(KERN_DEBUG "PCI: starting\n"); if (IS_LASAT_200()) lasat_pci_controller.pci_ops = &nile4_pci_ops; else lasat_pci_controller.pci_ops = >64xxx_pci0_ops; register_pci_controller(&lasat_pci_controller); return 0; }