2 * Registration of Lasat UART platform device.
4 * Copyright (C) 2007 Brian Murphy <brian@murphy.dk>
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 2 of the License, or
9 * (at your option) any later version.
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
16 * You should have received a copy of the GNU General Public License
17 * along with this program; if not, write to the Free Software
18 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
20 #include <linux/errno.h>
21 #include <linux/init.h>
22 #include <linux/ioport.h>
23 #include <linux/platform_device.h>
24 #include <linux/serial_8250.h>
26 #include <asm/lasat/lasat.h>
27 #include <asm/lasat/serial.h>
29 static struct resource lasat_serial_res[2] __initdata;
31 static struct plat_serial8250_port lasat_serial8250_port[] = {
34 .flags = UPF_IOREMAP | UPF_BOOT_AUTOCONF |
40 static __init int lasat_uart_add(void)
42 struct platform_device *pdev;
45 pdev = platform_device_alloc("serial8250", -1);
49 if (!IS_LASAT_200()) {
50 lasat_serial_res[0].start = KSEG1ADDR(LASAT_UART_REGS_BASE_100);
51 lasat_serial_res[0].end = lasat_serial_res[0].start + LASAT_UART_REGS_SHIFT_100 * 8 - 1;
52 lasat_serial_res[0].flags = IORESOURCE_MEM;
53 lasat_serial_res[1].start = LASATINT_UART_100;
54 lasat_serial_res[1].end = LASATINT_UART_100;
55 lasat_serial_res[1].flags = IORESOURCE_IRQ;
57 lasat_serial8250_port[0].mapbase = LASAT_UART_REGS_BASE_100;
58 lasat_serial8250_port[0].uartclk = LASAT_BASE_BAUD_100 * 16;
59 lasat_serial8250_port[0].regshift = LASAT_UART_REGS_SHIFT_100;
60 lasat_serial8250_port[0].irq = LASATINT_UART_100;
62 lasat_serial_res[0].start = KSEG1ADDR(LASAT_UART_REGS_BASE_200);
63 lasat_serial_res[0].end = lasat_serial_res[0].start + LASAT_UART_REGS_SHIFT_200 * 8 - 1;
64 lasat_serial_res[0].flags = IORESOURCE_MEM;
65 lasat_serial_res[1].start = LASATINT_UART_200;
66 lasat_serial_res[1].end = LASATINT_UART_200;
67 lasat_serial_res[1].flags = IORESOURCE_IRQ;
69 lasat_serial8250_port[0].mapbase = LASAT_UART_REGS_BASE_200;
70 lasat_serial8250_port[0].uartclk = LASAT_BASE_BAUD_200 * 16;
71 lasat_serial8250_port[0].regshift = LASAT_UART_REGS_SHIFT_200;
72 lasat_serial8250_port[0].irq = LASATINT_UART_200;
75 pdev->id = PLAT8250_DEV_PLATFORM;
76 pdev->dev.platform_data = lasat_serial8250_port;
78 retval = platform_device_add_resources(pdev, lasat_serial_res, ARRAY_SIZE(lasat_serial_res));
82 retval = platform_device_add(pdev);
89 platform_device_put(pdev);
93 device_initcall(lasat_uart_add);