X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=drivers%2Fide%2Farm%2Frapide.c;h=b0a115d1aea9bfb40dcb2998faaad9970ba5ea5f;hb=6a77f38946aaee1cd85eeec6cf4229b204c15071;hp=2269c28d09a76865fdccc9e8d7e630374a0c43c3;hpb=87fc8d1bb10cd459024a742c6a10961fefcef18f;p=linux-2.6.git diff --git a/drivers/ide/arm/rapide.c b/drivers/ide/arm/rapide.c index 2269c28d0..b0a115d1a 100644 --- a/drivers/ide/arm/rapide.c +++ b/drivers/ide/arm/rapide.c @@ -13,32 +13,91 @@ #include -static int __devinit -rapide_probe(struct expansion_card *ec, const struct ecard_id *id) +/* + * Something like this really should be in generic code, but isn't. + */ +static ide_hwif_t * +rapide_locate_hwif(void __iomem *base, void *ctrl, unsigned int sz, int irq) { - unsigned long port = ecard_address (ec, ECARD_MEMC, 0); - hw_regs_t hw; - int i, ret; + unsigned long port = (unsigned long)base; + ide_hwif_t *hwif; + int index, i; + + for (index = 0; index < MAX_HWIFS; ++index) { + hwif = ide_hwifs + index; + if (hwif->io_ports[IDE_DATA_OFFSET] == port) + goto found; + } + + for (index = 0; index < MAX_HWIFS; ++index) { + hwif = ide_hwifs + index; + if (hwif->io_ports[IDE_DATA_OFFSET] == 0) + goto found; + } - memset(&hw, 0, sizeof(hw)); + return NULL; + found: for (i = IDE_DATA_OFFSET; i <= IDE_STATUS_OFFSET; i++) { - hw.io_ports[i] = port; - port += 1 << 4; + hwif->hw.io_ports[i] = port; + hwif->io_ports[i] = port; + port += sz; } - hw.io_ports[IDE_CONTROL_OFFSET] = port + 0x206; - hw.irq = ec->irq; + hwif->hw.io_ports[IDE_CONTROL_OFFSET] = (unsigned long)ctrl; + hwif->io_ports[IDE_CONTROL_OFFSET] = (unsigned long)ctrl; + hwif->hw.irq = hwif->irq = irq; + hwif->mmio = 2; + default_hwif_mmiops(hwif); + + return hwif; +} - ret = ide_register_hw(&hw, NULL); +static int __devinit +rapide_probe(struct expansion_card *ec, const struct ecard_id *id) +{ + ide_hwif_t *hwif; + void __iomem *base; + int ret; + ret = ecard_request_resources(ec); if (ret) - ecard_release(ec); + goto out; + + base = ioremap(ecard_resource_start(ec, ECARD_RES_MEMC), + ecard_resource_len(ec, ECARD_RES_MEMC)); + if (!base) { + ret = -ENOMEM; + goto release; + } + + hwif = rapide_locate_hwif(base, base + 0x818, 1 << 6, ec->irq); + if (hwif) { + hwif->hwif_data = base; + hwif->gendev.parent = &ec->dev; + hwif->noprobe = 0; + probe_hwif_init(hwif); + create_proc_ide_interfaces(); + ecard_set_drvdata(ec, hwif); + goto out; + } + + iounmap(base); + release: + ecard_release_resources(ec); + out: return ret; } static void __devexit rapide_remove(struct expansion_card *ec) { - /* need to do more */ + ide_hwif_t *hwif = ecard_get_drvdata(ec); + + ecard_set_drvdata(ec, NULL); + + /* there must be a better way */ + ide_unregister(hwif - ide_hwifs); + iounmap(hwif->hwif_data); + ecard_release_resources(ec); } static struct ecard_id rapide_ids[] = {