C++ (Cpp) hardware_enable Examples

Example #1

File: cmd_pcmcia.c Project: qgp/armboot

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);
}

Example #2

File: ti_pci1410a.c Project: Admetric/android_u-boot_s5pv210

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;
}