Beispiel #1
0
int pcmcia_on (void)
{
	PCMCIA_DEBUG ("Enable PCMCIA " PCMCIA_SLOT_MSG "\n");

	/* turn off voltage */
	if (voltage_set(_slot_, 0, 0))
		return (1);

	/* Enable external hardware */
	if (hardware_enable(_slot_))
		return (1);

#ifdef CONFIG_IDE_PCCARD
	if (check_ide_device())
		return (1);
#endif
	return (0);
}
int pcmcia_on (void)
{
	u_long reg, base;
	pcmcia_win_t *win;
	u_int slotbit;
	u_int rc, slot;
	int i;

	debug ("Enable PCMCIA " PCMCIA_SLOT_MSG "\n");

	/* intialize the fixed memory windows */
	win = (pcmcia_win_t *)(&((immap_t *)CFG_IMMR)->im_pcmcia.pcmc_pbr0);
	base = CFG_PCMCIA_MEM_ADDR;

	if((reg = m8xx_get_graycode(CFG_PCMCIA_MEM_SIZE)) == -1) {
		printf ("Cannot set window size to 0x%08x\n",
			CFG_PCMCIA_MEM_SIZE);
		return (1);
	}

	slotbit = PCMCIA_SLOT_x;
	for (i=0; i<PCMCIA_MEM_WIN_NO; ++i) {
		win->br = base;

#if	(PCMCIA_SOCKETS_NO == 2)
		if (i == 4) /* Another slot starting from win 4 */
			slotbit = (slotbit ? PCMCIA_PSLOT_A : PCMCIA_PSLOT_B);
#endif
		switch (i) {
#ifdef	CONFIG_IDE_8xx_PCCARD
		case 4:
#ifdef	CONFIG_HMI10
		{	/* map FRAM area */
			win->or = (	PCMCIA_BSIZE_256K
				|	PCMCIA_PPS_8
				|	PCMCIA_PRS_ATTR
				|	slotbit
				|	PCMCIA_PV
				|	HMI10_FRAM_TIMING );
			break;
		}
#endif
		case 0:	{	/* map attribute memory */
			win->or = (	PCMCIA_BSIZE_64M
				|	PCMCIA_PPS_8
				|	PCMCIA_PRS_ATTR
				|	slotbit
				|	PCMCIA_PV
				|	CFG_PCMCIA_TIMING );
			break;
		}
		case 5:
		case 1: {	/* map I/O window for data reg */
			win->or = (	PCMCIA_BSIZE_1K
				|	PCMCIA_PPS_16
				|	PCMCIA_PRS_IO
				|	slotbit
				|	PCMCIA_PV
				|	CFG_PCMCIA_TIMING );
			break;
		}
		case 6:
		case 2: {	/* map I/O window for cmd/ctrl reg block */
			win->or = (	PCMCIA_BSIZE_1K
				|	PCMCIA_PPS_8
				|	PCMCIA_PRS_IO
				|	slotbit
				|	PCMCIA_PV
				|	CFG_PCMCIA_TIMING );
			break;
		}
#endif	/* CONFIG_IDE_8xx_PCCARD */
#ifdef	CONFIG_HMI10
		case 3: {	/* map I/O window for 4xUART data/ctrl */
			win->br += 0x40000;
			win->or = (	PCMCIA_BSIZE_256K
				|	PCMCIA_PPS_8
				|	PCMCIA_PRS_IO
				|	slotbit
				|	PCMCIA_PV
				|	CFG_PCMCIA_TIMING );
			break;
		}
#endif	/* CONFIG_HMI10 */
		default:	/* set to not valid */
			win->or = 0;
			break;
		}

		debug ("MemWin %d: PBR 0x%08lX  POR %08lX\n",
		       i, win->br, win->or);
		base += CFG_PCMCIA_MEM_SIZE;
		++win;
	}

	for (i=0, rc=0, slot=_slot_; i<PCMCIA_SOCKETS_NO; i++, slot = !slot) {
		/* turn off voltage */
		if ((rc = pcmcia_voltage_set(slot, 0, 0)))
			continue;

		/* Enable external hardware */
		if ((rc = pcmcia_hardware_enable(slot)))
			continue;

#ifdef	CONFIG_IDE_8xx_PCCARD
		if ((rc = check_ide_device(i)))
			continue;
#endif
	}
	return rc;
}
int pcmcia_on(int ide_base_bus)
{
	u16 dev_id;
	u32 socket_status;
	int slot = 0;
	int cis_len;
	u16 io_base;
	u16 io_len;

	/*
	 * Find the CardBus PCI device(s).
	 */
	if ((devbusfn = pci_find_devices(supported, 0)) < 0) {
		printf("Ti CardBus: not found\n");
		return 1;
	}

	pci_read_config_word(devbusfn, PCI_DEVICE_ID, &dev_id);

	if (dev_id == 0xac56) {
		debug("Enable PCMCIA Ti PCI1510\n");
	} else {
		debug("Enable PCMCIA Ti PCI1410A\n");
	}

	pcmcia_cis_ptr = CFG_PCMCIA_CIS_WIN;
	cis_len = CFG_PCMCIA_CIS_WIN_SIZE;

	io_base = CFG_PCMCIA_IO_WIN;
	io_len = CFG_PCMCIA_IO_WIN_SIZE;

	/*
	 * Setup the PCI device.
	 */
	pci_read_config_dword(devbusfn, PCI_BASE_ADDRESS_0, &socket_base);
	socket_base &= ~0xf;

	socket_status = readl(socket_base+8);
	if ((socket_status & 6) == 0) {
		printf("Card Present: ");

		switch (socket_status & 0x3c00) {

		case 0x400:
			printf("5V ");
			break;
		case 0x800:
			printf("3.3V ");
			break;
		case 0xc00:
			printf("3.3/5V ");
			break;
		default:
			printf("unsupported Vcc ");
			break;
		}
		switch (socket_status & 0x30) {
		case 0x10:
			printf("16bit PC-Card\n");
			break;
		case 0x20:
			printf("32bit CardBus Card\n");
			break;
		default:
			printf("8bit PC-Card\n");
			break;
		}
	}


	writeb(0x41, socket_base + 0x806); /* Enable I/O window 0 and memory window 0 */
	writeb(0x0e, socket_base + 0x807); /* Reset I/O window options */

	/* Careful: the linux yenta driver do not seem to reset the offset
	 * in the i/o windows, so leaving them non-zero is a problem */

	writeb(io_base & 0xff, socket_base + 0x808); /* I/O window 0 base address */
	writeb(io_base>>8, socket_base + 0x809);
	writeb((io_base + io_len - 1) & 0xff, socket_base + 0x80a); /* I/O window 0 end address */
	writeb((io_base + io_len - 1)>>8, socket_base + 0x80b);
	writeb(0x00, socket_base + 0x836);      /* I/O window 0 offset address 0x000 */
	writeb(0x00, socket_base + 0x837);


	writeb((pcmcia_cis_ptr&0x000ff000) >> 12,
	       socket_base + 0x810); /* Memory window 0 start address bits 19-12 */
	writeb((pcmcia_cis_ptr&0x00f00000) >> 20,
	       socket_base + 0x811);  /* Memory window 0 start address bits 23-20 */
	writeb(((pcmcia_cis_ptr+cis_len-1) & 0x000ff000) >> 12,
		socket_base + 0x812); /* Memory window 0 end address bits 19-12*/
	writeb(((pcmcia_cis_ptr+cis_len-1) & 0x00f00000) >> 20,
		socket_base + 0x813); /* Memory window 0 end address bits 23-20*/
	writeb(0x00, socket_base + 0x814); /* Memory window 0 offset bits 19-12 */
	writeb(0x40, socket_base + 0x815); /* Memory window 0 offset bits 23-20 and
					    * options (read/write, attribute access) */
	writeb(0x00, socket_base + 0x816); /* ExCA card-detect and general control  */
	writeb(0x00, socket_base + 0x81e); /* ExCA global control (interrupt modes) */

	writeb((pcmcia_cis_ptr & 0xff000000) >> 24,
	       socket_base + 0x840); /* Memory window address bits 31-24 */


	/* turn off voltage */
	if (voltage_set(slot, 0, 0)) {
		return 1;
	}

	/* Enable external hardware */
	if (hardware_enable(slot)) {
		return 1;
	}

	if (check_ide_device(slot, ide_base_bus)) {
		return 1;
	}

	return 0;
}
int pcmcia_on (void)
{
	unsigned int reg_arr[] = {
		0x48000028, CFG_MCMEM0_VAL,
		0x4800002c, CFG_MCMEM1_VAL,
		0x48000030, CFG_MCATT0_VAL,
		0x48000034, CFG_MCATT1_VAL,
		0x48000038, CFG_MCIO0_VAL,
		0x4800003c, CFG_MCIO1_VAL,

		0, 0
	};
	int i, rc;

#ifdef CONFIG_EXADRON1
	int cardDetect;
	volatile unsigned int *v_pBCRReg =
			(volatile unsigned int *) 0x08000000;
#endif

	debug ("%s\n", __FUNCTION__);

	i = 0;
	while (reg_arr[i]) {
		(*(volatile unsigned int *) reg_arr[i]) |= reg_arr[i + 1];
		i += 2;
	}
	udelay (1000);

	debug ("%s: programmed mem controller \n", __FUNCTION__);

#ifdef CONFIG_EXADRON1

/*define useful BCR masks */
#define BCR_CF_INIT_VAL			    0x00007230
#define BCR_CF_PWRON_BUSOFF_RESETOFF_VAL    0x00007231
#define BCR_CF_PWRON_BUSOFF_RESETON_VAL     0x00007233
#define BCR_CF_PWRON_BUSON_RESETON_VAL      0x00007213
#define BCR_CF_PWRON_BUSON_RESETOFF_VAL     0x00007211

	/* we see from the GPIO bit if the card is present */
	cardDetect = !(GPLR0 & GPIO_bit (14));

	if (cardDetect) {
		printf ("No PCMCIA card found!\n");
	}

	/* reset the card via the BCR line */
	*v_pBCRReg = (unsigned) BCR_CF_INIT_VAL;
	msWait (500);

	*v_pBCRReg = (unsigned) BCR_CF_PWRON_BUSOFF_RESETOFF_VAL;
	msWait (500);

	*v_pBCRReg = (unsigned) BCR_CF_PWRON_BUSOFF_RESETON_VAL;
	msWait (500);

	*v_pBCRReg = (unsigned) BCR_CF_PWRON_BUSON_RESETON_VAL;
	msWait (500);

	*v_pBCRReg = (unsigned) BCR_CF_PWRON_BUSON_RESETOFF_VAL;
	msWait (1500);

	/* enable address bus */
	GPCR1 = 0x01;
	/* and the first CF slot */
	MECR = 0x00000002;

#endif /* EXADRON 1 */

	rc = check_ide_device (0);	/* use just slot 0 */

	return rc;
}