[linux-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/export.h>
#include <linux/console.h>
#include <linux/fb.h>
#include <linux/screen_info.h>

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

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

#include <asm/bootinfo.h>
#include <asm/cpu.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_VGA_CONSOLE) && defined(CONFIG_FW_ARC)
	static struct screen_info si;
	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;

		vgacon_register_screen(&si);
	}
#endif
}

static void __init sni_console_setup(void)
{
#ifndef CONFIG_FW_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() & PRID_IMP_MASK) {
		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 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>
f9ded569	13	#include <linux/export.h>
1da177e4 LT	14	#include <linux/console.h>
1da177e4 LT	15	#include <linux/fb.h>
894673ee	16	#include <linux/screen_info.h>
1da177e4	17
0e2794b0	18	#ifdef CONFIG_FW_ARC
2f56cfdd	19	#include <asm/fw/arc/types.h>
1da177e4	20	#include <asm/sgialib.h>
4a0312fc TB	21	#endif
4a0312fc TB	22
0e2794b0	23	#ifdef CONFIG_FW_SNIPROM
231a35d3 TB	24	#include <asm/mipsprom.h>
	25	#endif
	26
	27	#include <asm/bootinfo.h>
8ff374b9	28	#include <asm/cpu.h>
1da177e4	29	#include <asm/io.h>
1da177e4 LT	30	#include <asm/reboot.h>
1da177e4 LT	31	#include <asm/sni.h>
c066a32a TB	32
c066a32a TB	33	unsigned int sni_brd_type;
231a35d3	34	EXPORT_SYMBOL(sni_brd_type);
1da177e4 LT	35
1da177e4 LT	36	extern void sni_machine_restart(char *command);
1da177e4 LT	37	extern void sni_machine_power_off(void);
1da177e4 LT	38
1da177e4 LT	39	static void __init sni_display_setup(void)
1da177e4 LT	40	{
8a736ddf	41	#if defined(CONFIG_VGA_CONSOLE) && defined(CONFIG_FW_ARC)
555624c0	42	static struct screen_info si;
1da177e4 LT	43	DISPLAY_STATUS *di;
	44
	45	di = ArcGetDisplayStatus(1);
	46
	47	if (di) {
555624c0 AB	48	si.orig_x = di->CursorXPosition;
	49	si.orig_y = di->CursorYPosition;
	50	si.orig_video_cols = di->CursorMaxXPosition;
	51	si.orig_video_lines = di->CursorMaxYPosition;
	52	si.orig_video_isVGA = VIDEO_TYPE_VGAC;
	53	si.orig_video_points = 16;
	54
	55	vgacon_register_screen(&si);
1da177e4 LT	56	}
1da177e4 LT	57	#endif
1da177e4 LT	58	}
1da177e4 LT	59
231a35d3 TB	60	static void __init sni_console_setup(void)
231a35d3 TB	61	{
0e2794b0	62	#ifndef CONFIG_FW_ARC
231a35d3 TB	63	char *ctype;
	64	char *cdev;
	65	char *baud;
	66	int port;
599a8945	67	static char options[8] __initdata;
231a35d3 TB	68
	69	cdev = prom_getenv("console_dev");
	70	if (strncmp(cdev, "tty", 3) == 0) {
	71	ctype = prom_getenv("console");
	72	switch (*ctype) {
	73	default:
	74	case 'l':
	75	port = 0;
	76	baud = prom_getenv("lbaud");
	77	break;
	78	case 'r':
	79	port = 1;
	80	baud = prom_getenv("rbaud");
	81	break;
	82	}
	83	if (baud)
	84	strcpy(options, baud);
	85	if (strncmp(cdev, "tty552", 6) == 0)
	86	add_preferred_console("ttyS", port,
	87	baud ? options : NULL);
	88	else
	89	add_preferred_console("ttySC", port,
	90	baud ? options : NULL);
	91	}
	92	#endif
	93	}
	94
	95	#ifdef DEBUG
	96	static void __init sni_idprom_dump(void)
	97	{
	98	int i;
	99
	100	pr_debug("SNI IDProm dump:\n");
	101	for (i = 0; i < 256; i++) {
	102	if (i%16 == 0)
	103	pr_debug("%04x ", i);
	104
	105	printk("%02x ", (unsigned char ) (SNI_IDPROM_BASE + i));
	106
	107	if (i % 16 == 15)
	108	printk("\n");
	109	}
	110	}
	111	#endif
1da177e4	112
2925aba4	113	void __init plat_mem_setup(void)
1da177e4	114	{
231a35d3 TB	115	int cputype;
231a35d3 TB	116
1da177e4	117	set_io_port_base(SNI_PORT_BASE);
c066a32a	118	// ioport_resource.end = sni_io_resource.end;
1da177e4 LT	119
	120	/*
	121	* Setup (E)ISA I/O memory access stuff
	122	*/
1da177e4 LT	123	#ifdef CONFIG_EISA
	124	EISA_bus = 1;
	125	#endif
	126
231a35d3 TB	127	sni_brd_type = (unsigned char )SNI_IDPROM_BRDTYPE;
	128	cputype = (unsigned char )SNI_IDPROM_CPUTYPE;
	129	switch (sni_brd_type) {
	130	case SNI_BRD_TOWER_OASIC:
	131	switch (cputype) {
	132	case SNI_CPU_M8030:
	133	system_type = "RM400-330";
	134	break;
	135	case SNI_CPU_M8031:
	136	system_type = "RM400-430";
	137	break;
	138	case SNI_CPU_M8037:
	139	system_type = "RM400-530";
	140	break;
	141	case SNI_CPU_M8034:
	142	system_type = "RM400-730";
	143	break;
	144	default:
	145	system_type = "RM400-xxx";
	146	break;
	147	}
	148	break;
	149	case SNI_BRD_MINITOWER:
	150	switch (cputype) {
	151	case SNI_CPU_M8021:
	152	case SNI_CPU_M8043:
	153	system_type = "RM400-120";
	154	break;
	155	case SNI_CPU_M8040:
	156	system_type = "RM400-220";
	157	break;
	158	case SNI_CPU_M8053:
	159	system_type = "RM400-225";
	160	break;
	161	case SNI_CPU_M8050:
	162	system_type = "RM400-420";
	163	break;
	164	default:
	165	system_type = "RM400-xxx";
	166	break;
	167	}
	168	break;
	169	case SNI_BRD_PCI_TOWER:
	170	system_type = "RM400-Cxx";
	171	break;
	172	case SNI_BRD_RM200:
	173	system_type = "RM200-xxx";
	174	break;
	175	case SNI_BRD_PCI_MTOWER:
	176	system_type = "RM300-Cxx";
	177	break;
	178	case SNI_BRD_PCI_DESKTOP:
8ff374b9	179	switch (read_c0_prid() & PRID_IMP_MASK) {
231a35d3 TB	180	case PRID_IMP_R4600:
	181	case PRID_IMP_R4700:
	182	system_type = "RM200-C20";
	183	break;
	184	case PRID_IMP_R5000:
	185	system_type = "RM200-C40";
	186	break;
	187	default:
	188	system_type = "RM200-Cxx";
	189	break;
	190	}
	191	break;
	192	case SNI_BRD_PCI_TOWER_CPLUS:
	193	system_type = "RM400-Exx";
	194	break;
	195	case SNI_BRD_PCI_MTOWER_CPLUS:
	196	system_type = "RM300-Exx";
	197	break;
	198	}
	199	pr_debug("Found SNI brdtype %02x name %s\n", sni_brd_type, system_type);
	200
	201	#ifdef DEBUG
	202	sni_idprom_dump();
	203	#endif
	204
c066a32a TB	205	switch (sni_brd_type) {
	206	case SNI_BRD_10:
	207	case SNI_BRD_10NEW:
	208	case SNI_BRD_TOWER_OASIC:
	209	case SNI_BRD_MINITOWER:
70342287 RB	210	sni_a20r_init();
70342287 RB	211	break;
c066a32a TB	212
	213	case SNI_BRD_PCI_TOWER:
	214	case SNI_BRD_PCI_TOWER_CPLUS:
70342287	215	sni_pcit_init();
c066a32a TB	216	break;
	217
	218	case SNI_BRD_RM200:
70342287 RB	219	sni_rm200_init();
70342287 RB	220	break;
c066a32a TB	221
	222	case SNI_BRD_PCI_MTOWER:
	223	case SNI_BRD_PCI_DESKTOP:
	224	case SNI_BRD_PCI_MTOWER_CPLUS:
70342287 RB	225	sni_pcimt_init();
70342287 RB	226	break;
c066a32a	227	}
1da177e4 LT	228
1da177e4 LT	229	_machine_restart = sni_machine_restart;
fcdb27ad	230	pm_power_off = sni_machine_power_off;
1da177e4 LT	231
1da177e4 LT	232	sni_display_setup();
231a35d3	233	sni_console_setup();
1da177e4	234	}
22df5bc5	235
231a35d3	236	#ifdef CONFIG_PCI
22df5bc5 TB	237
	238	#include <linux/pci.h>
	239	#include <video/vga.h>
	240	#include <video/cirrus.h>
	241
28eb0e46	242	static void quirk_cirrus_ram_size(struct pci_dev *dev)
22df5bc5 TB	243	{
	244	u16 cmd;
	245
	246	/*
	247	* firmware doesn't set the ram size correct, so we
	248	* need to do it here, otherwise we get screen corruption
	249	* on older Cirrus chips
	250	*/
49a89efb	251	pci_read_config_word(dev, PCI_COMMAND, &cmd);
22df5bc5	252	if ((cmd & (PCI_COMMAND_IO\|PCI_COMMAND_MEMORY))
70342287 RB	253	== (PCI_COMMAND_IO\|PCI_COMMAND_MEMORY)) {
70342287 RB	254	vga_wseq(NULL, CL_SEQR6, 0x12); /* unlock all extension registers */
49a89efb	255	vga_wseq(NULL, CL_SEQRF, 0x18);
22df5bc5 TB	256	}
	257	}
	258
	259	DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_CIRRUS, PCI_DEVICE_ID_CIRRUS_5434_8,
70342287	260	quirk_cirrus_ram_size);
22df5bc5	261	DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_CIRRUS, PCI_DEVICE_ID_CIRRUS_5436,
70342287	262	quirk_cirrus_ram_size);
22df5bc5	263	DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_CIRRUS, PCI_DEVICE_ID_CIRRUS_5446,
70342287	264	quirk_cirrus_ram_size);
22df5bc5	265	#endif