[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/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_FW_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_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() & 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>
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>
1da177e4	28	#include <asm/io.h>
1da177e4 LT	29	#include <asm/reboot.h>
1da177e4 LT	30	#include <asm/sni.h>
c066a32a TB	31
c066a32a TB	32	unsigned int sni_brd_type;
231a35d3	33	EXPORT_SYMBOL(sni_brd_type);
1da177e4 LT	34
1da177e4 LT	35	extern void sni_machine_restart(char *command);
1da177e4 LT	36	extern void sni_machine_power_off(void);
1da177e4 LT	37
1da177e4 LT	38	static void __init sni_display_setup(void)
1da177e4 LT	39	{
0e2794b0	40	#if defined(CONFIG_VT) && defined(CONFIG_VGA_CONSOLE) && defined(CONFIG_FW_ARC)
1da177e4 LT	41	struct screen_info *si = &screen_info;
	42	DISPLAY_STATUS *di;
	43
	44	di = ArcGetDisplayStatus(1);
	45
	46	if (di) {
	47	si->orig_x = di->CursorXPosition;
	48	si->orig_y = di->CursorYPosition;
	49	si->orig_video_cols = di->CursorMaxXPosition;
	50	si->orig_video_lines = di->CursorMaxYPosition;
	51	si->orig_video_isVGA = VIDEO_TYPE_VGAC;
	52	si->orig_video_points = 16;
	53	}
	54	#endif
1da177e4 LT	55	}
1da177e4 LT	56
231a35d3 TB	57	static void __init sni_console_setup(void)
231a35d3 TB	58	{
0e2794b0	59	#ifndef CONFIG_FW_ARC
231a35d3 TB	60	char *ctype;
	61	char *cdev;
	62	char *baud;
	63	int port;
599a8945	64	static char options[8] __initdata;
231a35d3 TB	65
	66	cdev = prom_getenv("console_dev");
	67	if (strncmp(cdev, "tty", 3) == 0) {
	68	ctype = prom_getenv("console");
	69	switch (*ctype) {
	70	default:
	71	case 'l':
	72	port = 0;
	73	baud = prom_getenv("lbaud");
	74	break;
	75	case 'r':
	76	port = 1;
	77	baud = prom_getenv("rbaud");
	78	break;
	79	}
	80	if (baud)
	81	strcpy(options, baud);
	82	if (strncmp(cdev, "tty552", 6) == 0)
	83	add_preferred_console("ttyS", port,
	84	baud ? options : NULL);
	85	else
	86	add_preferred_console("ttySC", port,
	87	baud ? options : NULL);
	88	}
	89	#endif
	90	}
	91
	92	#ifdef DEBUG
	93	static void __init sni_idprom_dump(void)
	94	{
	95	int i;
	96
	97	pr_debug("SNI IDProm dump:\n");
	98	for (i = 0; i < 256; i++) {
	99	if (i%16 == 0)
	100	pr_debug("%04x ", i);
	101
	102	printk("%02x ", (unsigned char ) (SNI_IDPROM_BASE + i));
	103
	104	if (i % 16 == 15)
	105	printk("\n");
	106	}
	107	}
	108	#endif
1da177e4	109
2925aba4	110	void __init plat_mem_setup(void)
1da177e4	111	{
231a35d3 TB	112	int cputype;
231a35d3 TB	113
1da177e4	114	set_io_port_base(SNI_PORT_BASE);
c066a32a	115	// ioport_resource.end = sni_io_resource.end;
1da177e4 LT	116
	117	/*
	118	* Setup (E)ISA I/O memory access stuff
	119	*/
1da177e4 LT	120	#ifdef CONFIG_EISA
	121	EISA_bus = 1;
	122	#endif
	123
231a35d3 TB	124	sni_brd_type = (unsigned char )SNI_IDPROM_BRDTYPE;
	125	cputype = (unsigned char )SNI_IDPROM_CPUTYPE;
	126	switch (sni_brd_type) {
	127	case SNI_BRD_TOWER_OASIC:
	128	switch (cputype) {
	129	case SNI_CPU_M8030:
	130	system_type = "RM400-330";
	131	break;
	132	case SNI_CPU_M8031:
	133	system_type = "RM400-430";
	134	break;
	135	case SNI_CPU_M8037:
	136	system_type = "RM400-530";
	137	break;
	138	case SNI_CPU_M8034:
	139	system_type = "RM400-730";
	140	break;
	141	default:
	142	system_type = "RM400-xxx";
	143	break;
	144	}
	145	break;
	146	case SNI_BRD_MINITOWER:
	147	switch (cputype) {
	148	case SNI_CPU_M8021:
	149	case SNI_CPU_M8043:
	150	system_type = "RM400-120";
	151	break;
	152	case SNI_CPU_M8040:
	153	system_type = "RM400-220";
	154	break;
	155	case SNI_CPU_M8053:
	156	system_type = "RM400-225";
	157	break;
	158	case SNI_CPU_M8050:
	159	system_type = "RM400-420";
	160	break;
	161	default:
	162	system_type = "RM400-xxx";
	163	break;
	164	}
	165	break;
	166	case SNI_BRD_PCI_TOWER:
	167	system_type = "RM400-Cxx";
	168	break;
	169	case SNI_BRD_RM200:
	170	system_type = "RM200-xxx";
	171	break;
	172	case SNI_BRD_PCI_MTOWER:
	173	system_type = "RM300-Cxx";
	174	break;
	175	case SNI_BRD_PCI_DESKTOP:
	176	switch (read_c0_prid() & 0xff00) {
	177	case PRID_IMP_R4600:
	178	case PRID_IMP_R4700:
	179	system_type = "RM200-C20";
	180	break;
	181	case PRID_IMP_R5000:
	182	system_type = "RM200-C40";
	183	break;
	184	default:
	185	system_type = "RM200-Cxx";
	186	break;
	187	}
188	break;
189	case SNI_BRD_PCI_TOWER_CPLUS:
190	system_type = "RM400-Exx";
191	break;
192	case SNI_BRD_PCI_MTOWER_CPLUS:
193	system_type = "RM300-Exx";
194	break;
195	}
196	pr_debug("Found SNI brdtype %02x name %s\n", sni_brd_type, system_type);
197
198	#ifdef DEBUG
199	sni_idprom_dump();
200	#endif
201
c066a32a TB	202	switch (sni_brd_type) {
	203	case SNI_BRD_10:
	204	case SNI_BRD_10NEW:
	205	case SNI_BRD_TOWER_OASIC:
	206	case SNI_BRD_MINITOWER:
	207	sni_a20r_init();
	208	break;
	209
	210	case SNI_BRD_PCI_TOWER:
	211	case SNI_BRD_PCI_TOWER_CPLUS:
	212	sni_pcit_init();
	213	break;
	214
	215	case SNI_BRD_RM200:
	216	sni_rm200_init();
	217	break;
	218
	219	case SNI_BRD_PCI_MTOWER:
	220	case SNI_BRD_PCI_DESKTOP:
	221	case SNI_BRD_PCI_MTOWER_CPLUS:
	222	sni_pcimt_init();
	223	break;
	224	}
1da177e4 LT	225
1da177e4 LT	226	_machine_restart = sni_machine_restart;
fcdb27ad	227	pm_power_off = sni_machine_power_off;
1da177e4 LT	228
1da177e4 LT	229	sni_display_setup();
231a35d3	230	sni_console_setup();
1da177e4	231	}
22df5bc5	232
231a35d3	233	#ifdef CONFIG_PCI
22df5bc5 TB	234
	235	#include <linux/pci.h>
	236	#include <video/vga.h>
	237	#include <video/cirrus.h>
	238
	239	static void __devinit quirk_cirrus_ram_size(struct pci_dev *dev)
	240	{
	241	u16 cmd;
	242
	243	/*
	244	* firmware doesn't set the ram size correct, so we
	245	* need to do it here, otherwise we get screen corruption
	246	* on older Cirrus chips
	247	*/
49a89efb	248	pci_read_config_word(dev, PCI_COMMAND, &cmd);
22df5bc5 TB	249	if ((cmd & (PCI_COMMAND_IO\|PCI_COMMAND_MEMORY))
22df5bc5 TB	250	== (PCI_COMMAND_IO\|PCI_COMMAND_MEMORY)) {
49a89efb RB	251	vga_wseq(NULL, CL_SEQR6, 0x12); /* unlock all extension registers */
49a89efb RB	252	vga_wseq(NULL, CL_SEQRF, 0x18);
22df5bc5 TB	253	}
	254	}
	255
	256	DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_CIRRUS, PCI_DEVICE_ID_CIRRUS_5434_8,
	257	quirk_cirrus_ram_size);
	258	DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_CIRRUS, PCI_DEVICE_ID_CIRRUS_5436,
	259	quirk_cirrus_ram_size);
	260	DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_CIRRUS, PCI_DEVICE_ID_CIRRUS_5446,
	261	quirk_cirrus_ram_size);
	262	#endif