1/* 2 * Copyright (C) 2000 RidgeRun, Inc. 3 * Author: RidgeRun, Inc. 4 * glonnon@ridgerun.com, skranz@ridgerun.com, stevej@ridgerun.com 5 * 6 * This program is free software; you can redistribute it and/or modify it 7 * under the terms of the GNU General Public License as published by the 8 * Free Software Foundation; either version 2 of the License, or (at your 9 * option) any later version. 10 * 11 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED 12 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF 13 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN 14 * NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 15 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 16 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF 17 * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON 18 * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 19 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 20 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 21 * 22 * You should have received a copy of the GNU General Public License along 23 * with this program; if not, write to the Free Software Foundation, Inc., 24 * 675 Mass Ave, Cambridge, MA 02139, USA. 25 * 26 */ 27#include <linux/init.h> 28#include <linux/kernel.h> 29#include <linux/types.h> 30#include <linux/mm.h> 31#include <linux/swap.h> 32#include <linux/ioport.h> 33#include <linux/sched.h> 34#include <linux/interrupt.h> 35#include <linux/pci.h> 36#include <linux/timex.h> 37#include <linux/pm.h> 38 39#include <asm/bootinfo.h> 40#include <asm/page.h> 41#include <asm/io.h> 42#include <asm/irq.h> 43#include <asm/pci.h> 44#include <asm/processor.h> 45#include <asm/time.h> 46#include <asm/reboot.h> 47#include <asm/traps.h> 48#include <linux/bootmem.h> 49 50unsigned long gt64120_base = KSEG1ADDR(0x14000000); 51 52/* These functions are used for rebooting or halting the machine*/ 53extern void galileo_machine_restart(char *command); 54extern void galileo_machine_halt(void); 55extern void galileo_machine_power_off(void); 56/* 57 *This structure holds pointers to the pci configuration space accesses 58 *and interrupts allocating routine for device over the PCI 59 */ 60extern struct pci_ops galileo_pci_ops; 61 62void __init prom_free_prom_memory(void) 63{ 64} 65 66/* 67 * Initializes basic routines and structures pointers, memory size (as 68 * given by the bios and saves the command line. 69 */ 70 71void __init plat_mem_setup(void) 72{ 73 _machine_restart = galileo_machine_restart; 74 _machine_halt = galileo_machine_halt; 75 pm_power_off = galileo_machine_power_off; 76 77 set_io_port_base(KSEG1); 78} 79 80const char *get_system_type(void) 81{ 82 return "Galileo EV64120A"; 83} 84 85/* 86 * Kernel arguments passed by the firmware 87 * 88 * $a0 - nothing 89 * $a1 - holds a pointer to the eprom parameters 90 * $a2 - nothing 91 */ 92 93void __init prom_init(void) 94{ 95 mips_machgroup = MACH_GROUP_GALILEO; 96 mips_machtype = MACH_EV64120A; 97 98 add_memory_region(0, 32 << 20, BOOT_MEM_RAM); 99} 100