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(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;
}