[linux-2.6-block.git] / arch / mips / cobalt / setup.c

/*
 * 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, 2004, 05 by Ralf Baechle (ralf@linux-mips.org)
 * Copyright (C) 2001, 2002, 2003 by Liam Davies (ldavies@agile.tv)
 *
 */
#include <linux/init.h>
#include <linux/interrupt.h>
#include <linux/io.h>
#include <linux/ioport.h>
#include <linux/pm.h>

#include <asm/bootinfo.h>
#include <asm/reboot.h>
#include <asm/gt64120.h>

#include <cobalt.h>

extern void cobalt_machine_restart(char *command);
extern void cobalt_machine_halt(void);

const char *get_system_type(void)
{
	switch (cobalt_board_id) {
		case COBALT_BRD_ID_QUBE1:
			return "Cobalt Qube";
		case COBALT_BRD_ID_RAQ1:
			return "Cobalt RaQ";
		case COBALT_BRD_ID_QUBE2:
			return "Cobalt Qube2";
		case COBALT_BRD_ID_RAQ2:
			return "Cobalt RaQ2";
	}
	return "MIPS Cobalt";
}

/*
 * Cobalt doesn't have PS/2 keyboard/mouse interfaces,
 * keyboard conntroller is never used.
 * Also PCI-ISA bridge DMA contoroller is never used.
 */
static struct resource cobalt_reserved_resources[] = {
	{	/* dma1 */
		.start	= 0x00,
		.end	= 0x1f,
		.name	= "reserved",
		.flags	= IORESOURCE_BUSY | IORESOURCE_IO,
	},
	{	/* keyboard */
		.start	= 0x60,
		.end	= 0x6f,
		.name	= "reserved",
		.flags	= IORESOURCE_BUSY | IORESOURCE_IO,
	},
	{	/* dma page reg */
		.start	= 0x80,
		.end	= 0x8f,
		.name	= "reserved",
		.flags	= IORESOURCE_BUSY | IORESOURCE_IO,
	},
	{	/* dma2 */
		.start	= 0xc0,
		.end	= 0xdf,
		.name	= "reserved",
		.flags	= IORESOURCE_BUSY | IORESOURCE_IO,
	},
};

void __init plat_mem_setup(void)
{
	int i;

	_machine_restart = cobalt_machine_restart;
	_machine_halt = cobalt_machine_halt;
	pm_power_off = cobalt_machine_halt;

	set_io_port_base(CKSEG1ADDR(GT_DEF_PCI0_IO_BASE));

	/* I/O port resource */
	ioport_resource.end = 0x01ffffff;

	/* These resources have been reserved by VIA SuperI/O chip. */
	for (i = 0; i < ARRAY_SIZE(cobalt_reserved_resources); i++)
		request_resource(&ioport_resource, cobalt_reserved_resources + i);
}

/*
 * Prom init. We read our one and only communication with the firmware.
 * Grab the amount of installed memory.
 * Better boot loaders (CoLo) pass a command line too :-)
 */

void __init prom_init(void)
{
	unsigned long memsz;
	int argc, i;
	char **argv;

	memsz = fw_arg0 & 0x7fff0000;
	argc = fw_arg0 & 0x0000ffff;
	argv = (char **)fw_arg1;

	for (i = 1; i < argc; i++) {
		strlcat(arcs_cmdline, argv[i], COMMAND_LINE_SIZE);
		if (i < (argc - 1))
			strlcat(arcs_cmdline, " ", COMMAND_LINE_SIZE);
	}

	add_memory_region(0x0, memsz, BOOT_MEM_RAM);
}

void __init prom_free_prom_memory(void)
{
	/* Nothing to do! */
}
Commit	Line	Data
1da177e4 LT	1	/*
	2	* Setup pointers to hardware dependent routines.
	3	*
	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
	6	* for more details.
	7	*
fcdb27ad	8	* Copyright (C) 1996, 1997, 2004, 05 by Ralf Baechle (ralf@linux-mips.org)
1da177e4 LT	9	* Copyright (C) 2001, 2002, 2003 by Liam Davies (ldavies@agile.tv)
	10	*
	11	*/
1da177e4	12	#include <linux/init.h>
1097c6ac YY	13	#include <linux/interrupt.h>
	14	#include <linux/io.h>
	15	#include <linux/ioport.h>
fcdb27ad	16	#include <linux/pm.h>
1da177e4 LT	17
1da177e4 LT	18	#include <asm/bootinfo.h>
1da177e4 LT	19	#include <asm/reboot.h>
	20	#include <asm/gt64120.h>
	21
cc50b67d	22	#include <cobalt.h>
1da177e4 LT	23
	24	extern void cobalt_machine_restart(char *command);
	25	extern void cobalt_machine_halt(void);
1da177e4	26
1da177e4 LT	27	const char *get_system_type(void)
1da177e4 LT	28	{
c4ed38a0 RB	29	switch (cobalt_board_id) {
	30	case COBALT_BRD_ID_QUBE1:
	31	return "Cobalt Qube";
	32	case COBALT_BRD_ID_RAQ1:
	33	return "Cobalt RaQ";
	34	case COBALT_BRD_ID_QUBE2:
	35	return "Cobalt Qube2";
	36	case COBALT_BRD_ID_RAQ2:
	37	return "Cobalt RaQ2";
	38	}
1da177e4 LT	39	return "MIPS Cobalt";
	40	}
	41
47d7c44b YY	42	/*
	43	* Cobalt doesn't have PS/2 keyboard/mouse interfaces,
	44	* keyboard conntroller is never used.
	45	* Also PCI-ISA bridge DMA contoroller is never used.
	46	*/
	47	static struct resource cobalt_reserved_resources[] = {
	48	{ /* dma1 */
5e46c3ae RB	49	.start = 0x00,
5e46c3ae RB	50	.end = 0x1f,
47d7c44b YY	51	.name = "reserved",
	52	.flags = IORESOURCE_BUSY \| IORESOURCE_IO,
	53	},
	54	{ /* keyboard */
5e46c3ae RB	55	.start = 0x60,
5e46c3ae RB	56	.end = 0x6f,
47d7c44b YY	57	.name = "reserved",
	58	.flags = IORESOURCE_BUSY \| IORESOURCE_IO,
	59	},
	60	{ /* dma page reg */
5e46c3ae RB	61	.start = 0x80,
5e46c3ae RB	62	.end = 0x8f,
47d7c44b YY	63	.name = "reserved",
	64	.flags = IORESOURCE_BUSY \| IORESOURCE_IO,
	65	},
	66	{ /* dma2 */
5e46c3ae RB	67	.start = 0xc0,
5e46c3ae RB	68	.end = 0xdf,
47d7c44b YY	69	.name = "reserved",
47d7c44b YY	70	.flags = IORESOURCE_BUSY \| IORESOURCE_IO,
5e46c3ae	71	},
1da177e4 LT	72	};
1da177e4 LT	73
2925aba4	74	void __init plat_mem_setup(void)
1da177e4	75	{
1da177e4 LT	76	int i;
	77
	78	_machine_restart = cobalt_machine_restart;
	79	_machine_halt = cobalt_machine_halt;
f13558c2	80	pm_power_off = cobalt_machine_halt;
1da177e4	81
56ae5833	82	set_io_port_base(CKSEG1ADDR(GT_DEF_PCI0_IO_BASE));
c4ed38a0	83
b5d5accc YY	84	/* I/O port resource */
b5d5accc YY	85	ioport_resource.end = 0x01ffffff;
1da177e4	86
47d7c44b YY	87	/* These resources have been reserved by VIA SuperI/O chip. */
	88	for (i = 0; i < ARRAY_SIZE(cobalt_reserved_resources); i++)
	89	request_resource(&ioport_resource, cobalt_reserved_resources + i);
1da177e4 LT	90	}
1da177e4 LT	91
1da177e4 LT	92	/*
1da177e4 LT	93	* Prom init. We read our one and only communication with the firmware.
c4ed38a0 RB	94	* Grab the amount of installed memory.
c4ed38a0 RB	95	* Better boot loaders (CoLo) pass a command line too :-)
1da177e4 LT	96	*/
	97
	98	void __init prom_init(void)
	99	{
c4ed38a0	100	unsigned long memsz;
0833c76b	101	int argc, i;
c4ed38a0	102	char **argv;
1da177e4	103
c4ed38a0	104	memsz = fw_arg0 & 0x7fff0000;
0833c76b YY	105	argc = fw_arg0 & 0x0000ffff;
	106	argv = (char **)fw_arg1;
	107
	108	for (i = 1; i < argc; i++) {
	109	strlcat(arcs_cmdline, argv[i], COMMAND_LINE_SIZE);
	110	if (i < (argc - 1))
	111	strlcat(arcs_cmdline, " ", COMMAND_LINE_SIZE);
c4ed38a0 RB	112	}
	113
	114	add_memory_region(0x0, memsz, BOOT_MEM_RAM);
1da177e4 LT	115	}
1da177e4 LT	116
c44e8d5e	117	void __init prom_free_prom_memory(void)
1da177e4 LT	118	{
1da177e4 LT	119	/* Nothing to do! */
1da177e4	120	}