2 * Setup pointers to hardware dependent routines.
4 * This file is subject to the terms and conditions of the GNU General Public
5 * License. See the file "COPYING" in the main directory of this archive
8 * Copyright (C) 1996, 1997, 2004, 05 by Ralf Baechle (ralf@linux-mips.org)
9 * Copyright (C) 2001, 2002, 2003 by Liam Davies (ldavies@agile.tv)
12 #include <linux/init.h>
13 #include <linux/interrupt.h>
15 #include <linux/ioport.h>
18 #include <asm/bootinfo.h>
19 #include <asm/reboot.h>
20 #include <asm/setup.h>
21 #include <asm/gt64120.h>
25 extern void cobalt_machine_restart(char *command);
26 extern void cobalt_machine_halt(void);
28 const char *get_system_type(void)
30 switch (cobalt_board_id) {
31 case COBALT_BRD_ID_QUBE1:
33 case COBALT_BRD_ID_RAQ1:
35 case COBALT_BRD_ID_QUBE2:
36 return "Cobalt Qube2";
37 case COBALT_BRD_ID_RAQ2:
44 * Cobalt doesn't have PS/2 keyboard/mouse interfaces,
45 * keyboard controller is never used.
46 * Also PCI-ISA bridge DMA controller is never used.
48 static struct resource cobalt_reserved_resources[] = {
53 .flags = IORESOURCE_BUSY | IORESOURCE_IO,
59 .flags = IORESOURCE_BUSY | IORESOURCE_IO,
65 .flags = IORESOURCE_BUSY | IORESOURCE_IO,
71 .flags = IORESOURCE_BUSY | IORESOURCE_IO,
75 void __init plat_mem_setup(void)
79 _machine_restart = cobalt_machine_restart;
80 _machine_halt = cobalt_machine_halt;
81 pm_power_off = cobalt_machine_halt;
83 set_io_port_base(CKSEG1ADDR(GT_DEF_PCI0_IO_BASE));
85 /* I/O port resource */
86 ioport_resource.end = 0x01ffffff;
88 /* These resources have been reserved by VIA SuperI/O chip. */
89 for (i = 0; i < ARRAY_SIZE(cobalt_reserved_resources); i++)
90 request_resource(&ioport_resource, cobalt_reserved_resources + i);
94 * Prom init. We read our one and only communication with the firmware.
95 * Grab the amount of installed memory.
96 * Better boot loaders (CoLo) pass a command line too :-)
99 void __init prom_init(void)
105 memsz = fw_arg0 & 0x7fff0000;
106 argc = fw_arg0 & 0x0000ffff;
107 argv = (char **)fw_arg1;
109 for (i = 1; i < argc; i++) {
110 strlcat(arcs_cmdline, argv[i], COMMAND_LINE_SIZE);
112 strlcat(arcs_cmdline, " ", COMMAND_LINE_SIZE);
115 add_memory_region(0x0, memsz, BOOT_MEM_RAM);
117 setup_8250_early_printk_port(CKSEG1ADDR(0x1c800000), 0, 0);
120 void __init prom_free_prom_memory(void)