2 * arch/arm/mach-ns9xxx/plat-serial8250.c
4 * Copyright (C) 2008 by Digi International Inc.
7 * This program is free software; you can redistribute it and/or modify it
8 * under the terms of the GNU General Public License version 2 as published by
9 * the Free Software Foundation.
11 #include <linux/platform_device.h>
12 #include <linux/serial_8250.h>
14 #include <asm/arch-ns9xxx/regs-board-a9m9750dev.h>
15 #include <asm/arch-ns9xxx/board.h>
17 #define DRIVER_NAME "serial8250"
19 static int __init ns9xxx_plat_serial8250_init(void)
21 struct plat_serial8250_port *pdata;
22 struct platform_device *pdev;
26 if (!board_is_a9m9750dev())
29 pdev = platform_device_alloc(DRIVER_NAME, 0);
33 pdata = kzalloc(5 * sizeof(*pdata), GFP_KERNEL);
37 pdev->dev.platform_data = pdata;
39 pdata[0].iobase = FPGA_UARTA_BASE;
40 pdata[1].iobase = FPGA_UARTB_BASE;
41 pdata[2].iobase = FPGA_UARTC_BASE;
42 pdata[3].iobase = FPGA_UARTD_BASE;
44 for (i = 0; i < 4; ++i) {
45 pdata[i].membase = (void __iomem *)pdata[i].iobase;
46 pdata[i].mapbase = pdata[i].iobase;
47 pdata[i].iotype = UPIO_MEM;
48 pdata[i].uartclk = 18432000;
49 pdata[i].flags = UPF_BOOT_AUTOCONF | UPF_SHARE_IRQ;
52 pdata[0].irq = IRQ_FPGA_UARTA;
53 pdata[1].irq = IRQ_FPGA_UARTB;
54 pdata[2].irq = IRQ_FPGA_UARTC;
55 pdata[3].irq = IRQ_FPGA_UARTD;
57 ret = platform_device_add(pdev);
60 platform_device_put(pdev);
62 printk(KERN_WARNING "Could not add %s (errno=%d)\n",
69 arch_initcall(ns9xxx_plat_serial8250_init);