/* * Registration of Lasat UART platform device. * * Copyright (C) 2007 Brian Murphy <brian@murphy.dk> * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA */ #include <linux/errno.h> #include <linux/init.h> #include <linux/ioport.h> #include <linux/platform_device.h> #include <linux/serial_8250.h> #include <asm/bootinfo.h> #include <asm/lasat/lasat.h> #include <asm/lasat/serial.h> static struct resource lasat_serial_res[2] __initdata; static struct plat_serial8250_port lasat_serial8250_port[] = { { .iotype = UPIO_MEM, .flags = UPF_IOREMAP | UPF_BOOT_AUTOCONF | UPF_SKIP_TEST, }, {}, }; static __init int lasat_uart_add(void) { struct platform_device *pdev; int retval; pdev = platform_device_alloc("serial8250", -1); if (!pdev) return -ENOMEM; if (mips_machtype == MACH_LASAT_100) { 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; } device_initcall(lasat_uart_add);