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>
16 #include <linux/memblock.h>
19 #include <asm/bootinfo.h>
20 #include <asm/reboot.h>
21 #include <asm/setup.h>
22 #include <asm/gt64120.h>
26 const char *get_system_type(void)
28 switch (cobalt_board_id) {
29 case COBALT_BRD_ID_QUBE1:
31 case COBALT_BRD_ID_RAQ1:
33 case COBALT_BRD_ID_QUBE2:
34 return "Cobalt Qube2";
35 case COBALT_BRD_ID_RAQ2:
42 * Cobalt doesn't have PS/2 keyboard/mouse interfaces,
43 * keyboard controller is never used.
44 * Also PCI-ISA bridge DMA controller is never used.
46 static struct resource cobalt_reserved_resources[] = {
51 .flags = IORESOURCE_BUSY | IORESOURCE_IO,
57 .flags = IORESOURCE_BUSY | IORESOURCE_IO,
63 .flags = IORESOURCE_BUSY | IORESOURCE_IO,
69 .flags = IORESOURCE_BUSY | IORESOURCE_IO,
73 void __init plat_mem_setup(void)
77 _machine_restart = cobalt_machine_restart;
78 _machine_halt = cobalt_machine_halt;
79 pm_power_off = cobalt_machine_halt;
81 set_io_port_base(CKSEG1ADDR(GT_DEF_PCI0_IO_BASE));
83 /* I/O port resource */
84 ioport_resource.end = 0x01ffffff;
86 /* These resources have been reserved by VIA SuperI/O chip. */
87 for (i = 0; i < ARRAY_SIZE(cobalt_reserved_resources); i++)
88 request_resource(&ioport_resource, cobalt_reserved_resources + i);
92 * Prom init. We read our one and only communication with the firmware.
93 * Grab the amount of installed memory.
94 * Better boot loaders (CoLo) pass a command line too :-)
97 void __init prom_init(void)
103 memsz = fw_arg0 & 0x7fff0000;
104 argc = fw_arg0 & 0x0000ffff;
105 argv = (char **)fw_arg1;
107 for (i = 1; i < argc; i++) {
108 strlcat(arcs_cmdline, argv[i], COMMAND_LINE_SIZE);
110 strlcat(arcs_cmdline, " ", COMMAND_LINE_SIZE);
113 memblock_add(0, memsz);
115 setup_8250_early_printk_port(CKSEG1ADDR(0x1c800000), 0, 0);