diff options
Diffstat (limited to 'drivers/ide')
| -rw-r--r-- | drivers/ide/legacy/ide-cs.c | 81 |
1 files changed, 71 insertions, 10 deletions
diff --git a/drivers/ide/legacy/ide-cs.c b/drivers/ide/legacy/ide-cs.c index 602797a..b7e459e 100644 --- a/drivers/ide/legacy/ide-cs.c +++ b/drivers/ide/legacy/ide-cs.c @@ -146,7 +146,16 @@ static void ide_detach(struct pcmcia_device *link) kfree(link->priv); } /* ide_detach */ -static int idecs_register(unsigned long io, unsigned long ctl, unsigned long irq, struct pcmcia_device *handle) +static void idecs_mmio_fixup(ide_hwif_t *hwif) +{ + default_hwif_mmiops(hwif); + hwif->mmio = 2; + + ide_undecoded_slave(hwif); +} + +static int idecs_register(unsigned long io, unsigned long ctl, + unsigned long irq, struct pcmcia_device *handle, int is_mmio) { hw_regs_t hw; memset(&hw, 0, sizeof(hw)); @@ -154,7 +163,19 @@ static int idecs_register(unsigned long io, unsigned long ctl, unsigned long irq hw.irq = irq; hw.chipset = ide_pci; hw.dev = &handle->dev; - return ide_register_hw_with_fixup(&hw, NULL, ide_undecoded_slave); + + if(is_mmio) + return ide_register_hw_with_fixup(&hw, NULL, idecs_mmio_fixup); + else + return ide_register_hw_with_fixup(&hw, NULL, ide_undecoded_slave); +} + +void outb_io(unsigned char value, unsigned long port) { + outb(value, port); +} + +void outb_mem(unsigned char value, unsigned long port) { + writeb(value, (void __iomem *) port); } /*====================================================================== @@ -180,7 +201,8 @@ static int ide_config(struct pcmcia_device *link) } *stk = NULL; cistpl_cftable_entry_t *cfg; int i, pass, last_ret = 0, last_fn = 0, hd, is_kme = 0; - unsigned long io_base, ctl_base; + unsigned long io_base, ctl_base, is_mmio, try_slave; + void (*my_outb)(unsigned char, unsigned long); DEBUG(0, "ide_config(0x%p)\n", link); @@ -210,7 +232,7 @@ static int ide_config(struct pcmcia_device *link) /* Not sure if this is right... look up the current Vcc */ CS_CHECK(GetConfigurationInfo, pcmcia_get_configuration_info(link, &stk->conf)); - pass = io_base = ctl_base = 0; + pass = io_base = ctl_base = is_mmio = try_slave = 0; tuple.DesiredTuple = CISTPL_CFTABLE_ENTRY; tuple.Attributes = 0; CS_CHECK(GetFirstTuple, pcmcia_get_first_tuple(link, &tuple)); @@ -258,11 +280,45 @@ static int ide_config(struct pcmcia_device *link) goto next_entry; io_base = link->io.BasePort1; ctl_base = link->io.BasePort1 + 0x0e; + + if (io->win[0].len >= 0x20) + try_slave = 1; + } else goto next_entry; /* If we've got this far, we're done */ break; } + if ((cfg->mem.nwin > 0) || (stk->dflt.mem.nwin > 0)) { + win_req_t req; + memreq_t map; + cistpl_mem_t *mem = (cfg->mem.nwin) ? &cfg->mem : &stk->dflt.mem; + + if (mem->win[0].len < 16) + goto next_entry; + + req.Attributes = WIN_DATA_WIDTH_16|WIN_MEMORY_TYPE_CM; + req.Attributes |= WIN_ENABLE; + req.Base = mem->win[0].host_addr; + req.Size = 0; + + req.AccessSpeed = 0; + if (pcmcia_request_window(&link, &req, &link->win) != 0) + goto next_entry; + map.Page = 0; map.CardOffset = mem->win[0].card_addr; + if (pcmcia_map_mem_page(link->win, &map) != 0) + goto next_entry; + + io_base = (unsigned long) ioremap(req.Base, req.Size); + ctl_base = io_base + 0x0e; + is_mmio = 1; + + if (mem->win[0].len >= 0x20) + try_slave = 1; + + break; + } + next_entry: if (cfg->flags & CISTPL_CFTABLE_DEFAULT) memcpy(&stk->dflt, cfg, sizeof(stk->dflt)); @@ -278,21 +334,26 @@ static int ide_config(struct pcmcia_device *link) CS_CHECK(RequestIRQ, pcmcia_request_irq(link, &link->irq)); CS_CHECK(RequestConfiguration, pcmcia_request_configuration(link, &link->conf)); + if(is_mmio) + my_outb = outb_mem; + else + my_outb = outb_io; + /* disable drive interrupts during IDE probe */ - outb(0x02, ctl_base); + my_outb(0x02, ctl_base); /* special setup for KXLC005 card */ if (is_kme) - outb(0x81, ctl_base+1); + my_outb(0x81, ctl_base+1); /* retry registration in case device is still spinning up */ for (hd = -1, i = 0; i < 10; i++) { - hd = idecs_register(io_base, ctl_base, link->irq.AssignedIRQ, link); + hd = idecs_register(io_base, ctl_base, link->irq.AssignedIRQ, link, is_mmio); if (hd >= 0) break; - if (link->io.NumPorts1 == 0x20) { - outb(0x02, ctl_base + 0x10); + if (try_slave) { + my_outb(0x02, ctl_base + 0x10); hd = idecs_register(io_base + 0x10, ctl_base + 0x10, - link->irq.AssignedIRQ, link); + link->irq.AssignedIRQ, link, is_mmio); if (hd >= 0) { io_base += 0x10; ctl_base += 0x10; |
