[linux-2.6-block.git] / arch / mips / sni / 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, 97, 98, 2000, 03, 04, 06 Ralf Baechle (ralf@linux-mips.org)
 * Copyright (C) 2006,2007 Thomas Bogendoerfer (tsbogend@alpha.franken.de)
 */
#include <linux/eisa.h>
#include <linux/init.h>
#include <linux/console.h>
#include <linux/fb.h>
#include <linux/screen_info.h>

#ifdef CONFIG_ARC
#include <asm/fw/arc/types.h>
#include <asm/sgialib.h>
#endif

#ifdef CONFIG_SNIPROM
#include <asm/mipsprom.h>
#endif

#include <asm/bootinfo.h>
#include <asm/io.h>
#include <asm/reboot.h>
#include <asm/sni.h>

unsigned int sni_brd_type;
EXPORT_SYMBOL(sni_brd_type);

extern void sni_machine_restart(char *command);
extern void sni_machine_power_off(void);

static void __init sni_display_setup(void)
{
#if defined(CONFIG_VT) && defined(CONFIG_VGA_CONSOLE) && defined(CONFIG_ARC)
	struct screen_info *si = &screen_info;
	DISPLAY_STATUS *di;

	di = ArcGetDisplayStatus(1);

	if (di) {
		si->orig_x		= di->CursorXPosition;
		si->orig_y		= di->CursorYPosition;
		si->orig_video_cols	= di->CursorMaxXPosition;
		si->orig_video_lines	= di->CursorMaxYPosition;
		si->orig_video_isVGA	= VIDEO_TYPE_VGAC;
		si->orig_video_points	= 16;
	}
#endif
}

static void __init sni_console_setup(void)
{
#ifndef CONFIG_ARC
	char *ctype;
	char *cdev;
	char *baud;
	int port;
	static char options[8] __initdata;

	cdev = prom_getenv("console_dev");
	if (strncmp(cdev, "tty", 3) == 0) {
		ctype = prom_getenv("console");
		switch (*ctype) {
		default:
		case 'l':
			port = 0;
			baud = prom_getenv("lbaud");
			break;
		case 'r':
			port = 1;
			baud = prom_getenv("rbaud");
			break;
		}
		if (baud)
			strcpy(options, baud);
		if (strncmp(cdev, "tty552", 6) == 0)
			add_preferred_console("ttyS", port,
					      baud ? options : NULL);
		else
			add_preferred_console("ttySC", port,
					      baud ? options : NULL);
	}
#endif
}

#ifdef DEBUG
static void __init sni_idprom_dump(void)
{
	int	i;

	pr_debug("SNI IDProm dump:\n");
	for (i = 0; i < 256; i++) {
		if (i%16 == 0)
			pr_debug("%04x ", i);

		printk("%02x ", *(unsigned char *) (SNI_IDPROM_BASE + i));

		if (i % 16 == 15)
			printk("\n");
	}
}
#endif

void __init plat_mem_setup(void)
{
	int cputype;

	set_io_port_base(SNI_PORT_BASE);
//	ioport_resource.end = sni_io_resource.end;

	/*
	 * Setup (E)ISA I/O memory access stuff
	 */
#ifdef CONFIG_EISA
	EISA_bus = 1;
#endif

	sni_brd_type = *(unsigned char *)SNI_IDPROM_BRDTYPE;
	cputype = *(unsigned char *)SNI_IDPROM_CPUTYPE;
	switch (sni_brd_type) {
	case SNI_BRD_TOWER_OASIC:
		switch (cputype) {
		case SNI_CPU_M8030:
			system_type = "RM400-330";
			break;
		case SNI_CPU_M8031:
			system_type = "RM400-430";
			break;
		case SNI_CPU_M8037:
			system_type = "RM400-530";
			break;
		case SNI_CPU_M8034:
			system_type = "RM400-730";
			break;
		default:
			system_type = "RM400-xxx";
			break;
		}
		break;
	case SNI_BRD_MINITOWER:
		switch (cputype) {
		case SNI_CPU_M8021:
		case SNI_CPU_M8043:
			system_type = "RM400-120";
			break;
		case SNI_CPU_M8040:
			system_type = "RM400-220";
			break;
		case SNI_CPU_M8053:
			system_type = "RM400-225";
			break;
		case SNI_CPU_M8050:
			system_type = "RM400-420";
			break;
		default:
			system_type = "RM400-xxx";
			break;
		}
		break;
	case SNI_BRD_PCI_TOWER:
		system_type = "RM400-Cxx";
		break;
	case SNI_BRD_RM200:
		system_type = "RM200-xxx";
		break;
	case SNI_BRD_PCI_MTOWER:
		system_type = "RM300-Cxx";
		break;
	case SNI_BRD_PCI_DESKTOP:
		switch (read_c0_prid() & 0xff00) {
		case PRID_IMP_R4600:
		case PRID_IMP_R4700:
			system_type = "RM200-C20";
			break;
		case PRID_IMP_R5000:
			system_type = "RM200-C40";
			break;
		default:
			system_type = "RM200-Cxx";
			break;
		}
		break;
	case SNI_BRD_PCI_TOWER_CPLUS:
		system_type = "RM400-Exx";
		break;
	case SNI_BRD_PCI_MTOWER_CPLUS:
		system_type = "RM300-Exx";
		break;
	}
	pr_debug("Found SNI brdtype %02x name %s\n", sni_brd_type, system_type);

#ifdef DEBUG
	sni_idprom_dump();
#endif

	switch (sni_brd_type) {
	case SNI_BRD_10:
	case SNI_BRD_10NEW:
	case SNI_BRD_TOWER_OASIC:
	case SNI_BRD_MINITOWER:
	        sni_a20r_init();
	        break;

	case SNI_BRD_PCI_TOWER:
	case SNI_BRD_PCI_TOWER_CPLUS:
	        sni_pcit_init();
		break;

	case SNI_BRD_RM200:
	        sni_rm200_init();
	        break;

	case SNI_BRD_PCI_MTOWER:
	case SNI_BRD_PCI_DESKTOP:
	case SNI_BRD_PCI_MTOWER_CPLUS:
	        sni_pcimt_init();
	        break;
	}

	_machine_restart = sni_machine_restart;
	pm_power_off = sni_machine_power_off;

	sni_display_setup();
	sni_console_setup();
}

#ifdef CONFIG_PCI

#include <linux/pci.h>
#include <video/vga.h>
#include <video/cirrus.h>

static void __devinit quirk_cirrus_ram_size(struct pci_dev *dev)
{
	u16 cmd;

	/*
	 * firmware doesn't set the ram size correct, so we
	 * need to do it here, otherwise we get screen corruption
	 * on older Cirrus chips
	 */
	pci_read_config_word(dev, PCI_COMMAND, &cmd);
	if ((cmd & (PCI_COMMAND_IO|PCI_COMMAND_MEMORY))
	        == (PCI_COMMAND_IO|PCI_COMMAND_MEMORY)) {
		vga_wseq(NULL, CL_SEQR6, 0x12);	/* unlock all extension registers */
		vga_wseq(NULL, CL_SEQRF, 0x18);
	}
}

DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_CIRRUS, PCI_DEVICE_ID_CIRRUS_5434_8,
                        quirk_cirrus_ram_size);
DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_CIRRUS, PCI_DEVICE_ID_CIRRUS_5436,
                        quirk_cirrus_ram_size);
DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_CIRRUS, PCI_DEVICE_ID_CIRRUS_5446,
                        quirk_cirrus_ram_size);
#endif
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, 97, 98, 2000, 03, 04, 06 Ralf Baechle (ralf@linux-mips.org)
22df5bc5	9	* Copyright (C) 2006,2007 Thomas Bogendoerfer (tsbogend@alpha.franken.de)
1da177e4	10	*/
1da177e4	11	#include <linux/eisa.h>
1da177e4	12	#include <linux/init.h>
1da177e4 LT	13	#include <linux/console.h>
1da177e4 LT	14	#include <linux/fb.h>
894673ee	15	#include <linux/screen_info.h>
1da177e4	16
4a0312fc	17	#ifdef CONFIG_ARC
2f56cfdd	18	#include <asm/fw/arc/types.h>
1da177e4	19	#include <asm/sgialib.h>
4a0312fc TB	20	#endif
4a0312fc TB	21
231a35d3 TB	22	#ifdef CONFIG_SNIPROM
	23	#include <asm/mipsprom.h>
	24	#endif
	25
	26	#include <asm/bootinfo.h>
1da177e4	27	#include <asm/io.h>
1da177e4 LT	28	#include <asm/reboot.h>
1da177e4 LT	29	#include <asm/sni.h>
c066a32a TB	30
c066a32a TB	31	unsigned int sni_brd_type;
231a35d3	32	EXPORT_SYMBOL(sni_brd_type);
1da177e4 LT	33
1da177e4 LT	34	extern void sni_machine_restart(char *command);
1da177e4 LT	35	extern void sni_machine_power_off(void);
1da177e4 LT	36
1da177e4 LT	37	static void __init sni_display_setup(void)
1da177e4 LT	38	{
4a0312fc	39	#if defined(CONFIG_VT) && defined(CONFIG_VGA_CONSOLE) && defined(CONFIG_ARC)
1da177e4 LT	40	struct screen_info *si = &screen_info;
	41	DISPLAY_STATUS *di;
	42
	43	di = ArcGetDisplayStatus(1);
	44
	45	if (di) {
	46	si->orig_x = di->CursorXPosition;
	47	si->orig_y = di->CursorYPosition;
	48	si->orig_video_cols = di->CursorMaxXPosition;
	49	si->orig_video_lines = di->CursorMaxYPosition;
	50	si->orig_video_isVGA = VIDEO_TYPE_VGAC;
	51	si->orig_video_points = 16;
	52	}
	53	#endif
1da177e4 LT	54	}
1da177e4 LT	55
231a35d3 TB	56	static void __init sni_console_setup(void)
	57	{
	58	#ifndef CONFIG_ARC
	59	char *ctype;
	60	char *cdev;
	61	char *baud;
	62	int port;
599a8945	63	static char options[8] __initdata;
231a35d3 TB	64
	65	cdev = prom_getenv("console_dev");
	66	if (strncmp(cdev, "tty", 3) == 0) {
	67	ctype = prom_getenv("console");
	68	switch (*ctype) {
	69	default:
	70	case 'l':
	71	port = 0;
	72	baud = prom_getenv("lbaud");
	73	break;
	74	case 'r':
	75	port = 1;
	76	baud = prom_getenv("rbaud");
	77	break;
	78	}
	79	if (baud)
	80	strcpy(options, baud);
	81	if (strncmp(cdev, "tty552", 6) == 0)
	82	add_preferred_console("ttyS", port,
	83	baud ? options : NULL);
	84	else
	85	add_preferred_console("ttySC", port,
	86	baud ? options : NULL);
	87	}
	88	#endif
	89	}
	90
	91	#ifdef DEBUG
	92	static void __init sni_idprom_dump(void)
	93	{
	94	int i;
	95
	96	pr_debug("SNI IDProm dump:\n");
	97	for (i = 0; i < 256; i++) {
	98	if (i%16 == 0)
	99	pr_debug("%04x ", i);
	100
	101	printk("%02x ", (unsigned char ) (SNI_IDPROM_BASE + i));
	102
	103	if (i % 16 == 15)
	104	printk("\n");
	105	}
	106	}
	107	#endif
1da177e4	108
2925aba4	109	void __init plat_mem_setup(void)
1da177e4	110	{
231a35d3 TB	111	int cputype;
231a35d3 TB	112
1da177e4	113	set_io_port_base(SNI_PORT_BASE);
c066a32a	114	// ioport_resource.end = sni_io_resource.end;
1da177e4 LT	115
	116	/*
	117	* Setup (E)ISA I/O memory access stuff
	118	*/
1da177e4 LT	119	#ifdef CONFIG_EISA
	120	EISA_bus = 1;
	121	#endif
	122
231a35d3 TB	123	sni_brd_type = (unsigned char )SNI_IDPROM_BRDTYPE;
	124	cputype = (unsigned char )SNI_IDPROM_CPUTYPE;
	125	switch (sni_brd_type) {
	126	case SNI_BRD_TOWER_OASIC:
	127	switch (cputype) {
	128	case SNI_CPU_M8030:
	129	system_type = "RM400-330";
	130	break;
	131	case SNI_CPU_M8031:
	132	system_type = "RM400-430";
	133	break;
	134	case SNI_CPU_M8037:
	135	system_type = "RM400-530";
	136	break;
	137	case SNI_CPU_M8034:
	138	system_type = "RM400-730";
	139	break;
	140	default:
	141	system_type = "RM400-xxx";
	142	break;
	143	}
	144	break;
	145	case SNI_BRD_MINITOWER:
	146	switch (cputype) {
	147	case SNI_CPU_M8021:
	148	case SNI_CPU_M8043:
	149	system_type = "RM400-120";
	150	break;
	151	case SNI_CPU_M8040:
	152	system_type = "RM400-220";
	153	break;
	154	case SNI_CPU_M8053:
	155	system_type = "RM400-225";
	156	break;
	157	case SNI_CPU_M8050:
	158	system_type = "RM400-420";
	159	break;
	160	default:
	161	system_type = "RM400-xxx";
	162	break;
	163	}
	164	break;
	165	case SNI_BRD_PCI_TOWER:
	166	system_type = "RM400-Cxx";
	167	break;
	168	case SNI_BRD_RM200:
	169	system_type = "RM200-xxx";
	170	break;
	171	case SNI_BRD_PCI_MTOWER:
	172	system_type = "RM300-Cxx";
	173	break;
	174	case SNI_BRD_PCI_DESKTOP:
	175	switch (read_c0_prid() & 0xff00) {
	176	case PRID_IMP_R4600:
	177	case PRID_IMP_R4700:
	178	system_type = "RM200-C20";
	179	break;
	180	case PRID_IMP_R5000:
	181	system_type = "RM200-C40";
	182	break;
	183	default:
	184	system_type = "RM200-Cxx";
	185	break;
	186	}
187	break;
188	case SNI_BRD_PCI_TOWER_CPLUS:
189	system_type = "RM400-Exx";
190	break;
191	case SNI_BRD_PCI_MTOWER_CPLUS:
192	system_type = "RM300-Exx";
193	break;
194	}
195	pr_debug("Found SNI brdtype %02x name %s\n", sni_brd_type, system_type);
196
197	#ifdef DEBUG
198	sni_idprom_dump();
199	#endif
200
c066a32a TB	201	switch (sni_brd_type) {
	202	case SNI_BRD_10:
	203	case SNI_BRD_10NEW:
	204	case SNI_BRD_TOWER_OASIC:
	205	case SNI_BRD_MINITOWER:
	206	sni_a20r_init();
	207	break;
	208
	209	case SNI_BRD_PCI_TOWER:
	210	case SNI_BRD_PCI_TOWER_CPLUS:
	211	sni_pcit_init();
	212	break;
	213
	214	case SNI_BRD_RM200:
	215	sni_rm200_init();
	216	break;
	217
	218	case SNI_BRD_PCI_MTOWER:
	219	case SNI_BRD_PCI_DESKTOP:
	220	case SNI_BRD_PCI_MTOWER_CPLUS:
	221	sni_pcimt_init();
	222	break;
	223	}
1da177e4 LT	224
1da177e4 LT	225	_machine_restart = sni_machine_restart;
fcdb27ad	226	pm_power_off = sni_machine_power_off;
1da177e4 LT	227
1da177e4 LT	228	sni_display_setup();
231a35d3	229	sni_console_setup();
1da177e4	230	}
22df5bc5	231
231a35d3	232	#ifdef CONFIG_PCI
22df5bc5 TB	233
	234	#include <linux/pci.h>
	235	#include <video/vga.h>
	236	#include <video/cirrus.h>
	237
	238	static void __devinit quirk_cirrus_ram_size(struct pci_dev *dev)
	239	{
	240	u16 cmd;
	241
	242	/*
	243	* firmware doesn't set the ram size correct, so we
	244	* need to do it here, otherwise we get screen corruption
	245	* on older Cirrus chips
	246	*/
49a89efb	247	pci_read_config_word(dev, PCI_COMMAND, &cmd);
22df5bc5 TB	248	if ((cmd & (PCI_COMMAND_IO\|PCI_COMMAND_MEMORY))
22df5bc5 TB	249	== (PCI_COMMAND_IO\|PCI_COMMAND_MEMORY)) {
49a89efb RB	250	vga_wseq(NULL, CL_SEQR6, 0x12); /* unlock all extension registers */
49a89efb RB	251	vga_wseq(NULL, CL_SEQRF, 0x18);
22df5bc5 TB	252	}
	253	}
	254
	255	DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_CIRRUS, PCI_DEVICE_ID_CIRRUS_5434_8,
	256	quirk_cirrus_ram_size);
	257	DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_CIRRUS, PCI_DEVICE_ID_CIRRUS_5436,
	258	quirk_cirrus_ram_size);
	259	DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_CIRRUS, PCI_DEVICE_ID_CIRRUS_5446,
	260	quirk_cirrus_ram_size);
	261	#endif