| /* |
| * 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! */ |
| } |