1/* 2 * Carsten Langgaard, carstenl@mips.com 3 * Copyright (C) 2002 MIPS Technologies, Inc. All rights reserved. 4 * 5 * This program is free software; you can distribute it and/or modify it 6 * under the terms of the GNU General Public License (Version 2) as 7 * published by the Free Software Foundation. 8 * 9 * This program is distributed in the hope it will be useful, but WITHOUT 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 12 * for more details. 13 * 14 * You should have received a copy of the GNU General Public License along 15 * with this program; if not, write to the Free Software Foundation, Inc., 16 * 59 Temple Place - Suite 330, Boston MA 02111-1307, USA. 17 * 18 * SEAD specific setup. 19 */ 20#include <linux/init.h> 21#include <linux/sched.h> 22#include <linux/ioport.h> 23#include <linux/tty.h> 24#include <linux/serial.h> 25#include <linux/serial_core.h> 26 27#include <asm/cpu.h> 28#include <asm/bootinfo.h> 29#include <asm/irq.h> 30#include <asm/mips-boards/generic.h> 31#include <asm/mips-boards/prom.h> 32#include <asm/mips-boards/sead.h> 33#include <asm/mips-boards/seadint.h> 34#include <asm/time.h> 35 36extern void mips_reboot_setup(void); 37extern void mips_time_init(void); 38 39static void __init serial_init(void); 40 41const char *get_system_type(void) 42{ 43 return "MIPS SEAD"; 44} 45 46const char display_string[] = " LINUX ON SEAD "; 47 48void __init plat_mem_setup(void) 49{ 50 ioport_resource.end = 0x7fffffff; 51 52 serial_init (); 53 54 board_time_init = mips_time_init; 55 56 mips_reboot_setup(); 57} 58 59static void __init serial_init(void) 60{ 61#ifdef CONFIG_SERIAL_8250 62 struct uart_port s; 63 64 memset(&s, 0, sizeof(s)); 65 66#ifdef CONFIG_CPU_LITTLE_ENDIAN 67 s.iobase = SEAD_UART0_REGS_BASE; 68#else 69 s.iobase = SEAD_UART0_REGS_BASE+3; 70#endif 71 s.irq = MIPS_CPU_IRQ_BASE + MIPSCPU_INT_UART0; 72 s.uartclk = SEAD_BASE_BAUD * 16; 73 s.flags = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST | UPF_AUTO_IRQ; 74 s.iotype = UPIO_PORT; 75 s.regshift = 3; 76 77 if (early_serial_setup(&s) != 0) { 78 printk(KERN_ERR "Serial setup failed!\n"); 79 } 80#endif 81} 82