static void mxc_init_enet(void) { smsc_lan9217_device.resource[0].start = LAN9217_BASE_ADDR(cpld_base_addr); smsc_lan9217_device.resource[0].end = LAN9217_BASE_ADDR(cpld_base_addr) + 0x100; (void)platform_device_register(&smsc_lan9217_device); }
int __init mxc_expio_init(u32 base, u32 p_irq) { int i; brd_io = ioremap(BOARD_IO_ADDR(base), SZ_4K); if (brd_io == NULL) return -ENOMEM; if ((__raw_readw(brd_io + MAGIC_NUMBER1_REG) != 0xAAAA) || (__raw_readw(brd_io + MAGIC_NUMBER2_REG) != 0x5555) || (__raw_readw(brd_io + MAGIC_NUMBER3_REG) != 0xCAFE)) { pr_info("3-Stack Debug board not detected\n"); iounmap(brd_io); brd_io = NULL; return -ENODEV; } pr_info("3-Stack Debug board detected, rev = 0x%04X\n", readw(brd_io + CPLD_CODE_VER_REG)); /* * Configure INT line as GPIO input */ gpio_request(MXC_IRQ_TO_GPIO(p_irq), "expio_pirq"); gpio_direction_input(MXC_IRQ_TO_GPIO(p_irq)); /* disable the interrupt and clear the status */ __raw_writew(0, brd_io + INTR_MASK_REG); __raw_writew(0xFFFF, brd_io + INTR_RESET_REG); __raw_writew(0, brd_io + INTR_RESET_REG); __raw_writew(0x1F, brd_io + INTR_MASK_REG); for (i = MXC_EXP_IO_BASE; i < (MXC_EXP_IO_BASE + MXC_MAX_EXP_IO_LINES); i++) { irq_set_chip_and_handler(i, &expio_irq_chip, handle_level_irq); set_irq_flags(i, IRQF_VALID); } irq_set_irq_type(p_irq, IRQF_TRIGGER_LOW); irq_set_chained_handler(p_irq, mxc_expio_irq_handler); /* Register Lan device on the debugboard */ regulator_register_fixed(0, dummy_supplies, ARRAY_SIZE(dummy_supplies)); smsc911x_resources[0].start = LAN9217_BASE_ADDR(base); smsc911x_resources[0].end = LAN9217_BASE_ADDR(base) + 0x100 - 1; platform_device_register(&smsc_lan9217_device); return 0; }