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[/] [or1k/] [trunk/] [linux/] [linux-2.4/] [arch/] [mips/] [cobalt/] [setup.c] - Rev 1765
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/* * Setup pointers to hardware dependent routines. * * This file is subject to the terms and conditions of the GNU General Public * License. See the file "COPYING" in the main directory of this archive * for more details. * * Copyright (C) 1996, 1997 by Ralf Baechle * Copyright (C) 2001, 2002, 2003 by Liam Davies (ldavies@agile.tv) * */ #include <linux/config.h> #include <linux/interrupt.h> #include <linux/pci.h> #include <linux/mc146818rtc.h> #include <linux/init.h> #include <linux/ide.h> #include <asm/bootinfo.h> #include <asm/time.h> #include <asm/io.h> #include <asm/irq.h> #include <asm/processor.h> #include <asm/reboot.h> #include <asm/gt64120/gt64120.h> #include <asm/cobalt/cobalt.h> extern void cobalt_machine_restart(char *command); extern void cobalt_machine_halt(void); extern void cobalt_machine_power_off(void); extern struct rtc_ops std_rtc_ops; extern struct ide_ops std_ide_ops; char arcs_cmdline[CL_SIZE] = { "console=ttyS0,115200 " #ifdef CONFIG_IP_PNP "ip=on " #endif #ifdef CONFIG_ROOT_NFS "root=/dev/nfs " #else "root=/dev/hda1 " #endif }; const char *get_system_type(void) { return "MIPS Cobalt"; } static void __init cobalt_time_init(void) { rtc_ops = &std_rtc_ops; } static void __init cobalt_timer_setup(struct irqaction *irq) { /* Load timer value for 150 Hz */ GALILEO_OUTL(500000, GT_TC0_OFS); /* Register our timer interrupt */ setup_irq(COBALT_TIMER_IRQ, irq); /* Enable timer ints */ GALILEO_OUTL((GALILEO_ENTC0 | GALILEO_SELTC0), GT_TC_CONTROL_OFS); /* Unmask timer int */ GALILEO_OUTL(0x100, GT_INTRMASK_OFS); } void __init cobalt_setup(void) { _machine_restart = cobalt_machine_restart; _machine_halt = cobalt_machine_halt; _machine_power_off = cobalt_machine_power_off; board_time_init = cobalt_time_init; board_timer_setup = cobalt_timer_setup; #ifdef CONFIG_BLK_DEV_IDE ide_ops = &std_ide_ops; #endif set_io_port_base(KSEG1ADDR(0x10000000)); /* * This is a prom style console. We just poke at the * UART to make it talk. * Only use this console if you really screw up and can't * get to the stage of setting up a real serial console. */ /*ns16550_setup_console();*/ } /* Prom init. We read our one and only communication with the firmware. Grab the amount of installed memory */ void __init prom_init(int argc) { mips_machgroup = MACH_GROUP_COBALT; add_memory_region(0x0, argc & 0x7fffffff, BOOT_MEM_RAM); } void __init prom_free_prom_memory(void) { /* Nothing to do! */ }