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