[thirdparty/u-boot.git] / cmd / universe.c

// SPDX-License-Identifier: GPL-2.0+
/*
 * (C) Copyright 2003 Stefan Roese, stefan.roese@esd-electronics.com
 */

#include <common.h>
#include <command.h>
#include <malloc.h>
#include <asm/io.h>
#include <pci.h>

#include <universe.h>

#define PCI_VENDOR PCI_VENDOR_ID_TUNDRA
#define PCI_DEVICE PCI_DEVICE_ID_TUNDRA_CA91C042


typedef struct _UNI_DEV UNI_DEV;

struct _UNI_DEV {
	int            bus;
	pci_dev_t      busdevfn;
	UNIVERSE       *uregs;
	unsigned int   pci_bs;
};

static UNI_DEV   *dev;


int universe_init(void)
{
	int j, result;
	pci_dev_t busdevfn;
	unsigned int val;

	busdevfn = pci_find_device(PCI_VENDOR, PCI_DEVICE, 0);
	if (busdevfn == -1) {
		puts("No Tundra Universe found!\n");
		return -1;
	}

	/* Lets turn Latency off */
	pci_write_config_dword(busdevfn, 0x0c, 0);

	dev = malloc(sizeof(*dev));
	if (NULL == dev) {
		puts("UNIVERSE: No memory!\n");
		result = -1;
		goto break_20;
	}

	memset(dev, 0, sizeof(*dev));
	dev->busdevfn = busdevfn;

	pci_read_config_dword(busdevfn, PCI_BASE_ADDRESS_1, &val);
	if (val & 1) {
		pci_read_config_dword(busdevfn, PCI_BASE_ADDRESS_0, &val);
	}
	val &= ~0xf;
	dev->uregs = (UNIVERSE *)val;

	debug ("UNIVERSE-Base    : %p\n", dev->uregs);

	/* check mapping  */
	debug (" Read via mapping, PCI_ID = %08X\n", readl(&dev->uregs->pci_id));
	if (((PCI_DEVICE <<16) | PCI_VENDOR) !=  readl(&dev->uregs->pci_id)) {
		printf ("UNIVERSE: Cannot read PCI-ID via Mapping: %08x\n",
			readl(&dev->uregs->pci_id));
		result = -1;
		goto break_30;
	}

	debug ("PCI_BS = %08X\n", readl(&dev->uregs->pci_bs));

	dev->pci_bs = readl(&dev->uregs->pci_bs);

	/* turn off windows */
	for (j=0; j <4; j ++) {
		writel(0x00800000, &dev->uregs->lsi[j].ctl);
		writel(0x00800000, &dev->uregs->vsi[j].ctl);
	}

	/*
	 * Write to Misc Register
	 * Set VME Bus Time-out
	 *   Arbitration Mode
	 *   DTACK Enable
	 */
	writel(0x15040000 | (readl(&dev->uregs->misc_ctl) & 0x00020000), &dev->uregs->misc_ctl);

	if (readl(&dev->uregs->misc_ctl) & 0x00020000) {
		debug ("System Controller!\n"); /* test-only */
	} else {
		debug ("Not System Controller!\n"); /* test-only */
	}

	/*
	 * Lets turn off interrupts
	 */
	writel(0x00000000,&dev->uregs->lint_en);   /* Disable interrupts in the Universe first */
	writel(0x0000FFFF,&dev->uregs->lint_stat); /* Clear Any Pending Interrupts */
	eieio();
	writel(0x0000, &dev->uregs->lint_map0);  /* Map all ints to 0 */
	writel(0x0000, &dev->uregs->lint_map1);  /* Map all ints to 0 */
	eieio();

	return 0;

 break_30:
	free(dev);
 break_20:
	return result;
}


/*
 * Create pci slave window (access: pci -> vme)
 */
int universe_pci_slave_window(unsigned int pciAddr, unsigned int vmeAddr, int size, int vam, int pms, int vdw)
{
	int result, i;
	unsigned int ctl = 0;

	if (NULL == dev) {
		result = -1;
		goto exit_10;
	}

	for (i = 0; i < 4; i++) {
		if (0x00800000 == readl(&dev->uregs->lsi[i].ctl))
			break;
	}

	if (i == 4) {
		printf ("universe: No Image available\n");
		result = -1;
		goto exit_10;
	}

	debug ("universe: Using image %d\n", i);

	writel(pciAddr , &dev->uregs->lsi[i].bs);
	writel((pciAddr + size), &dev->uregs->lsi[i].bd);
	writel((vmeAddr - pciAddr), &dev->uregs->lsi[i].to);

	switch (vam & VME_AM_Axx) {
	case VME_AM_A16:
		ctl = 0x00000000;
		break;
	case VME_AM_A24:
		ctl = 0x00010000;
		break;
	case VME_AM_A32:
		ctl = 0x00020000;
		break;
	}

	switch (vam & VME_AM_Mxx) {
	case VME_AM_DATA:
		ctl |= 0x00000000;
		break;
	case VME_AM_PROG:
		ctl |= 0x00008000;
		break;
	}

	if (vam & VME_AM_SUP) {
		ctl |= 0x00001000;

	}

	switch (vdw & VME_FLAG_Dxx) {
	case VME_FLAG_D8:
		ctl |= 0x00000000;
		break;
	case VME_FLAG_D16:
		ctl |= 0x00400000;
		break;
	case VME_FLAG_D32:
		ctl |= 0x00800000;
		break;
	}

	switch (pms & PCI_MS_Mxx) {
	case PCI_MS_MEM:
		ctl |= 0x00000000;
		break;
	case PCI_MS_IO:
		ctl |= 0x00000001;
		break;
	case PCI_MS_CONFIG:
		ctl |= 0x00000002;
		break;
	}

	ctl |= 0x80000000;    /* enable */

	writel(ctl, &dev->uregs->lsi[i].ctl);

	debug ("universe: window-addr=%p\n", &dev->uregs->lsi[i].ctl);
	debug ("universe: pci slave window[%d] ctl=%08x\n", i, readl(&dev->uregs->lsi[i].ctl));
	debug ("universe: pci slave window[%d] bs=%08x\n", i, readl(&dev->uregs->lsi[i].bs));
	debug ("universe: pci slave window[%d] bd=%08x\n", i, readl(&dev->uregs->lsi[i].bd));
	debug ("universe: pci slave window[%d] to=%08x\n", i, readl(&dev->uregs->lsi[i].to));

	return 0;

 exit_10:
	return -result;
}


/*
 * Create vme slave window (access: vme -> pci)
 */
int universe_vme_slave_window(unsigned int vmeAddr, unsigned int pciAddr, int size, int vam, int pms)
{
	int result, i;
	unsigned int ctl = 0;

	if (NULL == dev) {
		result = -1;
		goto exit_10;
	}

	for (i = 0; i < 4; i++) {
		if (0x00800000 == readl(&dev->uregs->vsi[i].ctl))
			break;
	}

	if (i == 4) {
		printf ("universe: No Image available\n");
		result = -1;
		goto exit_10;
	}

	debug ("universe: Using image %d\n", i);

	writel(vmeAddr , &dev->uregs->vsi[i].bs);
	writel((vmeAddr + size), &dev->uregs->vsi[i].bd);
	writel((pciAddr - vmeAddr), &dev->uregs->vsi[i].to);

	switch (vam & VME_AM_Axx) {
	case VME_AM_A16:
		ctl = 0x00000000;
		break;
	case VME_AM_A24:
		ctl = 0x00010000;
		break;
	case VME_AM_A32:
		ctl = 0x00020000;
		break;
	}

	switch (vam & VME_AM_Mxx) {
	case VME_AM_DATA:
		ctl |= 0x00000000;
		break;
	case VME_AM_PROG:
		ctl |= 0x00800000;
		break;
	}

	if (vam & VME_AM_SUP) {
		ctl |= 0x00100000;

	}

	switch (pms & PCI_MS_Mxx) {
	case PCI_MS_MEM:
		ctl |= 0x00000000;
		break;
	case PCI_MS_IO:
		ctl |= 0x00000001;
		break;
	case PCI_MS_CONFIG:
		ctl |= 0x00000002;
		break;
	}

	ctl |= 0x80f00000;    /* enable */

	writel(ctl, &dev->uregs->vsi[i].ctl);

	debug ("universe: window-addr=%p\n", &dev->uregs->vsi[i].ctl);
	debug ("universe: vme slave window[%d] ctl=%08x\n", i, readl(&dev->uregs->vsi[i].ctl));
	debug ("universe: vme slave window[%d] bs=%08x\n", i, readl(&dev->uregs->vsi[i].bs));
	debug ("universe: vme slave window[%d] bd=%08x\n", i, readl(&dev->uregs->vsi[i].bd));
	debug ("universe: vme slave window[%d] to=%08x\n", i, readl(&dev->uregs->vsi[i].to));

	return 0;

 exit_10:
	return -result;
}


/*
 * Tundra Universe configuration
 */
int do_universe(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
{
	ulong addr1 = 0, addr2 = 0, size = 0, vam = 0, pms = 0, vdw = 0;
	char cmd = 'x';

	/* get parameter */
	if (argc > 1)
		cmd = argv[1][0];
	if (argc > 2)
		addr1 = simple_strtoul(argv[2], NULL, 16);
	if (argc > 3)
		addr2 = simple_strtoul(argv[3], NULL, 16);
	if (argc > 4)
		size = simple_strtoul(argv[4], NULL, 16);
	if (argc > 5)
		vam = simple_strtoul(argv[5], NULL, 16);
	if (argc > 6)
		pms = simple_strtoul(argv[6], NULL, 16);
	if (argc > 7)
		vdw = simple_strtoul(argv[7], NULL, 16);

	switch (cmd) {
	case 'i':		/* init */
		universe_init();
		break;
	case 'v':		/* vme */
		printf("Configuring Universe VME Slave Window (VME->PCI):\n");
		printf("  vme=%08lx pci=%08lx size=%08lx vam=%02lx pms=%02lx\n",
		       addr1, addr2, size, vam, pms);
		universe_vme_slave_window(addr1, addr2, size, vam, pms);
		break;
	case 'p':		/* pci */
		printf("Configuring Universe PCI Slave Window (PCI->VME):\n");
		printf("  pci=%08lx vme=%08lx size=%08lx vam=%02lx pms=%02lx vdw=%02lx\n",
		       addr1, addr2, size, vam, pms, vdw);
		universe_pci_slave_window(addr1, addr2, size, vam, pms, vdw);
		break;
	default:
		printf("Universe command %s not supported!\n", argv[1]);
	}

	return 0;
}


U_BOOT_CMD(
	universe,	8,	1,	do_universe,
	"initialize and configure Turndra Universe",
	"init\n"
	"    - initialize universe\n"
	"universe vme [vme_addr] [pci_addr] [size] [vam] [pms]\n"
	"    - create vme slave window (access: vme->pci)\n"
	"universe pci [pci_addr] [vme_addr] [size] [vam] [pms] [vdw]\n"
	"    - create pci slave window (access: pci->vme)\n"
	"    [vam] = VMEbus Address-Modifier:  01 -> A16 Address Space\n"
	"                                      02 -> A24 Address Space\n"
	"                                      03 -> A32 Address Space\n"
	"                                      04 -> Supervisor AM Code\n"
	"                                      10 -> Data AM Code\n"
	"                                      20 -> Program AM Code\n"
	"    [pms] = PCI Memory Space:         01 -> Memory Space\n"
	"                                      02 -> I/O Space\n"
	"                                      03 -> Configuration Space\n"
	"    [vdw] = VMEbus Maximum Datawidth: 01 -> D8 Data Width\n"
	"                                      02 -> D16 Data Width\n"
	"                                      03 -> D32 Data Width"
);
Commit	Line	Data
83d290c5	1	// SPDX-License-Identifier: GPL-2.0+
256e4be8 SR	2	/*
256e4be8 SR	3	* (C) Copyright 2003 Stefan Roese, stefan.roese@esd-electronics.com
256e4be8 SR	4	*/
	5
	6	#include <common.h>
	7	#include <command.h>
	8	#include <malloc.h>
	9	#include <asm/io.h>
	10	#include <pci.h>
	11
	12	#include <universe.h>
	13
256e4be8 SR	14	#define PCI_VENDOR PCI_VENDOR_ID_TUNDRA
	15	#define PCI_DEVICE PCI_DEVICE_ID_TUNDRA_CA91C042
	16
	17
	18	typedef struct _UNI_DEV UNI_DEV;
	19
	20	struct _UNI_DEV {
	21	int bus;
	22	pci_dev_t busdevfn;
	23	UNIVERSE *uregs;
	24	unsigned int pci_bs;
	25	};
	26
	27	static UNI_DEV *dev;
	28
	29
	30	int universe_init(void)
	31	{
e4119560	32	int j, result;
256e4be8 SR	33	pci_dev_t busdevfn;
	34	unsigned int val;
	35
	36	busdevfn = pci_find_device(PCI_VENDOR, PCI_DEVICE, 0);
	37	if (busdevfn == -1) {
	38	puts("No Tundra Universe found!\n");
	39	return -1;
	40	}
	41
	42	/* Lets turn Latency off */
	43	pci_write_config_dword(busdevfn, 0x0c, 0);
	44
	45	dev = malloc(sizeof(*dev));
	46	if (NULL == dev) {
	47	puts("UNIVERSE: No memory!\n");
	48	result = -1;
	49	goto break_20;
	50	}
	51
	52	memset(dev, 0, sizeof(*dev));
	53	dev->busdevfn = busdevfn;
	54
	55	pci_read_config_dword(busdevfn, PCI_BASE_ADDRESS_1, &val);
dcb2f95a SR	56	if (val & 1) {
	57	pci_read_config_dword(busdevfn, PCI_BASE_ADDRESS_0, &val);
	58	}
256e4be8 SR	59	val &= ~0xf;
	60	dev->uregs = (UNIVERSE *)val;
	61
e2ffd59b	62	debug ("UNIVERSE-Base : %p\n", dev->uregs);
256e4be8 SR	63
256e4be8 SR	64	/* check mapping */
e2ffd59b	65	debug (" Read via mapping, PCI_ID = %08X\n", readl(&dev->uregs->pci_id));
256e4be8	66	if (((PCI_DEVICE <<16) \| PCI_VENDOR) != readl(&dev->uregs->pci_id)) {
e2ffd59b WD	67	printf ("UNIVERSE: Cannot read PCI-ID via Mapping: %08x\n",
e2ffd59b WD	68	readl(&dev->uregs->pci_id));
256e4be8 SR	69	result = -1;
	70	goto break_30;
	71	}
	72
e2ffd59b	73	debug ("PCI_BS = %08X\n", readl(&dev->uregs->pci_bs));
256e4be8 SR	74
	75	dev->pci_bs = readl(&dev->uregs->pci_bs);
	76
	77	/* turn off windows */
	78	for (j=0; j <4; j ++) {
	79	writel(0x00800000, &dev->uregs->lsi[j].ctl);
	80	writel(0x00800000, &dev->uregs->vsi[j].ctl);
	81	}
	82
	83	/*
	84	* Write to Misc Register
	85	* Set VME Bus Time-out
	86	* Arbitration Mode
	87	* DTACK Enable
	88	*/
dcb2f95a SR	89	writel(0x15040000 \| (readl(&dev->uregs->misc_ctl) & 0x00020000), &dev->uregs->misc_ctl);
	90
	91	if (readl(&dev->uregs->misc_ctl) & 0x00020000) {
	92	debug ("System Controller!\n"); /* test-only */
	93	} else {
	94	debug ("Not System Controller!\n"); /* test-only */
	95	}
256e4be8 SR	96
	97	/*
	98	* Lets turn off interrupts
	99	*/
	100	writel(0x00000000,&dev->uregs->lint_en); /* Disable interrupts in the Universe first */
	101	writel(0x0000FFFF,&dev->uregs->lint_stat); /* Clear Any Pending Interrupts */
	102	eieio();
	103	writel(0x0000, &dev->uregs->lint_map0); /* Map all ints to 0 */
	104	writel(0x0000, &dev->uregs->lint_map1); /* Map all ints to 0 */
	105	eieio();
	106
dcb2f95a SR	107	return 0;
dcb2f95a SR	108
256e4be8 SR	109	break_30:
	110	free(dev);
	111	break_20:
dcb2f95a	112	return result;
256e4be8 SR	113	}
	114
	115
	116	/*
	117	* Create pci slave window (access: pci -> vme)
	118	*/
	119	int universe_pci_slave_window(unsigned int pciAddr, unsigned int vmeAddr, int size, int vam, int pms, int vdw)
	120	{
	121	int result, i;
	122	unsigned int ctl = 0;
	123
	124	if (NULL == dev) {
	125	result = -1;
	126	goto exit_10;
	127	}
	128
	129	for (i = 0; i < 4; i++) {
	130	if (0x00800000 == readl(&dev->uregs->lsi[i].ctl))
	131	break;
	132	}
	133
	134	if (i == 4) {
e2ffd59b	135	printf ("universe: No Image available\n");
256e4be8 SR	136	result = -1;
	137	goto exit_10;
	138	}
	139
e2ffd59b	140	debug ("universe: Using image %d\n", i);
256e4be8 SR	141
	142	writel(pciAddr , &dev->uregs->lsi[i].bs);
	143	writel((pciAddr + size), &dev->uregs->lsi[i].bd);
	144	writel((vmeAddr - pciAddr), &dev->uregs->lsi[i].to);
	145
	146	switch (vam & VME_AM_Axx) {
	147	case VME_AM_A16:
	148	ctl = 0x00000000;
	149	break;
	150	case VME_AM_A24:
	151	ctl = 0x00010000;
	152	break;
	153	case VME_AM_A32:
	154	ctl = 0x00020000;
	155	break;
	156	}
	157
	158	switch (vam & VME_AM_Mxx) {
	159	case VME_AM_DATA:
	160	ctl \|= 0x00000000;
	161	break;
	162	case VME_AM_PROG:
	163	ctl \|= 0x00008000;
	164	break;
	165	}
	166
	167	if (vam & VME_AM_SUP) {
	168	ctl \|= 0x00001000;
	169
	170	}
	171
	172	switch (vdw & VME_FLAG_Dxx) {
	173	case VME_FLAG_D8:
	174	ctl \|= 0x00000000;
	175	break;
	176	case VME_FLAG_D16:
	177	ctl \|= 0x00400000;
	178	break;
	179	case VME_FLAG_D32:
	180	ctl \|= 0x00800000;
	181	break;
	182	}
	183
	184	switch (pms & PCI_MS_Mxx) {
	185	case PCI_MS_MEM:
dcb2f95a	186	ctl \|= 0x00000000;
256e4be8 SR	187	break;
256e4be8 SR	188	case PCI_MS_IO:
dcb2f95a	189	ctl \|= 0x00000001;
256e4be8 SR	190	break;
256e4be8 SR	191	case PCI_MS_CONFIG:
dcb2f95a	192	ctl \|= 0x00000002;
256e4be8 SR	193	break;
	194	}
	195
	196	ctl \|= 0x80000000; /* enable */
	197
	198	writel(ctl, &dev->uregs->lsi[i].ctl);
	199
e2ffd59b WD	200	debug ("universe: window-addr=%p\n", &dev->uregs->lsi[i].ctl);
	201	debug ("universe: pci slave window[%d] ctl=%08x\n", i, readl(&dev->uregs->lsi[i].ctl));
	202	debug ("universe: pci slave window[%d] bs=%08x\n", i, readl(&dev->uregs->lsi[i].bs));
	203	debug ("universe: pci slave window[%d] bd=%08x\n", i, readl(&dev->uregs->lsi[i].bd));
	204	debug ("universe: pci slave window[%d] to=%08x\n", i, readl(&dev->uregs->lsi[i].to));
256e4be8 SR	205
	206	return 0;
	207
	208	exit_10:
	209	return -result;
	210	}
	211
	212
	213	/*
	214	* Create vme slave window (access: vme -> pci)
	215	*/
	216	int universe_vme_slave_window(unsigned int vmeAddr, unsigned int pciAddr, int size, int vam, int pms)
	217	{
	218	int result, i;
	219	unsigned int ctl = 0;
	220
	221	if (NULL == dev) {
	222	result = -1;
	223	goto exit_10;
	224	}
	225
	226	for (i = 0; i < 4; i++) {
	227	if (0x00800000 == readl(&dev->uregs->vsi[i].ctl))
	228	break;
	229	}
	230
	231	if (i == 4) {
e2ffd59b	232	printf ("universe: No Image available\n");
256e4be8 SR	233	result = -1;
	234	goto exit_10;
	235	}
	236
e2ffd59b	237	debug ("universe: Using image %d\n", i);
256e4be8 SR	238
	239	writel(vmeAddr , &dev->uregs->vsi[i].bs);
	240	writel((vmeAddr + size), &dev->uregs->vsi[i].bd);
	241	writel((pciAddr - vmeAddr), &dev->uregs->vsi[i].to);
	242
	243	switch (vam & VME_AM_Axx) {
	244	case VME_AM_A16:
	245	ctl = 0x00000000;
	246	break;
	247	case VME_AM_A24:
	248	ctl = 0x00010000;
	249	break;
	250	case VME_AM_A32:
	251	ctl = 0x00020000;
	252	break;
	253	}
	254
	255	switch (vam & VME_AM_Mxx) {
	256	case VME_AM_DATA:
	257	ctl \|= 0x00000000;
	258	break;
	259	case VME_AM_PROG:
	260	ctl \|= 0x00800000;
	261	break;
	262	}
	263
	264	if (vam & VME_AM_SUP) {
	265	ctl \|= 0x00100000;
	266
	267	}
	268
	269	switch (pms & PCI_MS_Mxx) {
	270	case PCI_MS_MEM:
dcb2f95a	271	ctl \|= 0x00000000;
256e4be8 SR	272	break;
256e4be8 SR	273	case PCI_MS_IO:
dcb2f95a	274	ctl \|= 0x00000001;
256e4be8 SR	275	break;
256e4be8 SR	276	case PCI_MS_CONFIG:
dcb2f95a	277	ctl \|= 0x00000002;
256e4be8 SR	278	break;
	279	}
	280
	281	ctl \|= 0x80f00000; /* enable */
	282
	283	writel(ctl, &dev->uregs->vsi[i].ctl);
	284
e2ffd59b WD	285	debug ("universe: window-addr=%p\n", &dev->uregs->vsi[i].ctl);
	286	debug ("universe: vme slave window[%d] ctl=%08x\n", i, readl(&dev->uregs->vsi[i].ctl));
	287	debug ("universe: vme slave window[%d] bs=%08x\n", i, readl(&dev->uregs->vsi[i].bs));
	288	debug ("universe: vme slave window[%d] bd=%08x\n", i, readl(&dev->uregs->vsi[i].bd));
	289	debug ("universe: vme slave window[%d] to=%08x\n", i, readl(&dev->uregs->vsi[i].to));
256e4be8 SR	290
	291	return 0;
	292
	293	exit_10:
	294	return -result;
	295	}
	296
	297
	298	/*
	299	* Tundra Universe configuration
	300	*/
54841ab5	301	int do_universe(cmd_tbl_t cmdtp, int flag, int argc, char const argv[])
256e4be8 SR	302	{
	303	ulong addr1 = 0, addr2 = 0, size = 0, vam = 0, pms = 0, vdw = 0;
	304	char cmd = 'x';
	305
	306	/* get parameter */
	307	if (argc > 1)
	308	cmd = argv[1][0];
	309	if (argc > 2)
	310	addr1 = simple_strtoul(argv[2], NULL, 16);
	311	if (argc > 3)
	312	addr2 = simple_strtoul(argv[3], NULL, 16);
	313	if (argc > 4)
	314	size = simple_strtoul(argv[4], NULL, 16);
	315	if (argc > 5)
	316	vam = simple_strtoul(argv[5], NULL, 16);
	317	if (argc > 6)
	318	pms = simple_strtoul(argv[6], NULL, 16);
	319	if (argc > 7)
	320	vdw = simple_strtoul(argv[7], NULL, 16);
	321
	322	switch (cmd) {
	323	case 'i': /* init */
	324	universe_init();
	325	break;
	326	case 'v': /* vme */
	327	printf("Configuring Universe VME Slave Window (VME->PCI):\n");
	328	printf(" vme=%08lx pci=%08lx size=%08lx vam=%02lx pms=%02lx\n",
	329	addr1, addr2, size, vam, pms);
	330	universe_vme_slave_window(addr1, addr2, size, vam, pms);
	331	break;
	332	case 'p': /* pci */
	333	printf("Configuring Universe PCI Slave Window (PCI->VME):\n");
	334	printf(" pci=%08lx vme=%08lx size=%08lx vam=%02lx pms=%02lx vdw=%02lx\n",
	335	addr1, addr2, size, vam, pms, vdw);
	336	universe_pci_slave_window(addr1, addr2, size, vam, pms, vdw);
	337	break;
	338	default:
	339	printf("Universe command %s not supported!\n", argv[1]);
	340	}
	341
	342	return 0;
	343	}
	344
	345
	346	U_BOOT_CMD(
	347	universe, 8, 1, do_universe,
2fb2604d	348	"initialize and configure Turndra Universe",
256e4be8 SR	349	"init\n"
	350	" - initialize universe\n"
	351	"universe vme [vme_addr] [pci_addr] [size] [vam] [pms]\n"
	352	" - create vme slave window (access: vme->pci)\n"
	353	"universe pci [pci_addr] [vme_addr] [size] [vam] [pms] [vdw]\n"
	354	" - create pci slave window (access: pci->vme)\n"
	355	" [vam] = VMEbus Address-Modifier: 01 -> A16 Address Space\n"
	356	" 02 -> A24 Address Space\n"
	357	" 03 -> A32 Address Space\n"
	358	" 04 -> Supervisor AM Code\n"
	359	" 10 -> Data AM Code\n"
	360	" 20 -> Program AM Code\n"
	361	" [pms] = PCI Memory Space: 01 -> Memory Space\n"
	362	" 02 -> I/O Space\n"
	363	" 03 -> Configuration Space\n"
	364	" [vdw] = VMEbus Maximum Datawidth: 01 -> D8 Data Width\n"
	365	" 02 -> D16 Data Width\n"
a89c33db	366	" 03 -> D32 Data Width"
256e4be8	367	);