diff options
| -rw-r--r-- | drivers/ide/ppc/pmac.c | 55 |
1 files changed, 31 insertions, 24 deletions
diff --git a/drivers/ide/ppc/pmac.c b/drivers/ide/ppc/pmac.c index 48aa019127b..7f669a997aa 100644 --- a/drivers/ide/ppc/pmac.c +++ b/drivers/ide/ppc/pmac.c @@ -59,7 +59,6 @@ typedef struct pmac_ide_hwif { int irq; int kind; int aapl_bus_id; - unsigned cable_80 : 1; unsigned mediabay : 1; unsigned broken_dma : 1; unsigned broken_dma_warn : 1; @@ -918,10 +917,40 @@ pmac_ide_do_resume(ide_hwif_t *hwif) return 0; } +static u8 pmac_ide_cable_detect(ide_hwif_t *hwif) +{ + pmac_ide_hwif_t *pmif = (pmac_ide_hwif_t *)ide_get_hwifdata(hwif); + struct device_node *np = pmif->node; + const char *cable = of_get_property(np, "cable-type", NULL); + + /* Get cable type from device-tree. */ + if (cable && !strncmp(cable, "80-", 3)) + return ATA_CBL_PATA80; + + /* + * G5's seem to have incorrect cable type in device-tree. + * Let's assume they have a 80 conductor cable, this seem + * to be always the case unless the user mucked around. + */ + if (of_device_is_compatible(np, "K2-UATA") || + of_device_is_compatible(np, "shasta-ata")) + return ATA_CBL_PATA80; + + return ATA_CBL_PATA40; +} + static const struct ide_port_ops pmac_ide_ata6_port_ops = { .set_pio_mode = pmac_ide_set_pio_mode, .set_dma_mode = pmac_ide_set_dma_mode, .selectproc = pmac_ide_kauai_selectproc, + .cable_detect = pmac_ide_cable_detect, +}; + +static const struct ide_port_ops pmac_ide_ata4_port_ops = { + .set_pio_mode = pmac_ide_set_pio_mode, + .set_dma_mode = pmac_ide_set_dma_mode, + .selectproc = pmac_ide_selectproc, + .cable_detect = pmac_ide_cable_detect, }; static const struct ide_port_ops pmac_ide_port_ops = { @@ -962,7 +991,6 @@ pmac_ide_setup_device(pmac_ide_hwif_t *pmif, ide_hwif_t *hwif, hw_regs_t *hw) u8 idx[4] = { 0xff, 0xff, 0xff, 0xff }; struct ide_port_info d = pmac_port_info; - pmif->cable_80 = 0; pmif->broken_dma = pmif->broken_dma_warn = 0; if (of_device_is_compatible(np, "shasta-ata")) { pmif->kind = controller_sh_ata6; @@ -979,6 +1007,7 @@ pmac_ide_setup_device(pmac_ide_hwif_t *pmif, ide_hwif_t *hwif, hw_regs_t *hw) } else if (of_device_is_compatible(np, "keylargo-ata")) { if (strcmp(np->name, "ata-4") == 0) { pmif->kind = controller_kl_ata4; + d.port_ops = &pmac_ide_ata4_port_ops; d.udma_mask = ATA_UDMA4; } else pmif->kind = controller_kl_ata3; @@ -992,22 +1021,6 @@ pmac_ide_setup_device(pmac_ide_hwif_t *pmif, ide_hwif_t *hwif, hw_regs_t *hw) bidp = of_get_property(np, "AAPL,bus-id", NULL); pmif->aapl_bus_id = bidp ? *bidp : 0; - /* Get cable type from device-tree */ - if (pmif->kind == controller_kl_ata4 || pmif->kind == controller_un_ata6 - || pmif->kind == controller_k2_ata6 - || pmif->kind == controller_sh_ata6) { - const char* cable = of_get_property(np, "cable-type", NULL); - if (cable && !strncmp(cable, "80-", 3)) - pmif->cable_80 = 1; - } - /* G5's seem to have incorrect cable type in device-tree. Let's assume - * they have a 80 conductor cable, this seem to be always the case unless - * the user mucked around - */ - if (of_device_is_compatible(np, "K2-UATA") || - of_device_is_compatible(np, "shasta-ata")) - pmif->cable_80 = 1; - /* On Kauai-type controllers, we make sure the FCR is correct */ if (pmif->kauai_fcr) writel(KAUAI_FCR_UATA_MAGIC | @@ -1053,7 +1066,6 @@ pmac_ide_setup_device(pmac_ide_hwif_t *pmif, ide_hwif_t *hwif, hw_regs_t *hw) hwif->hwif_data = pmif; ide_init_port_hw(hwif, hw); - hwif->cbl = pmif->cable_80 ? ATA_CBL_PATA80 : ATA_CBL_PATA40; printk(KERN_INFO "ide%d: Found Apple %s controller, bus ID %d%s, irq %d\n", hwif->index, model_name[pmif->kind], pmif->aapl_bus_id, @@ -1070,11 +1082,6 @@ pmac_ide_setup_device(pmac_ide_hwif_t *pmif, ide_hwif_t *hwif, hw_regs_t *hw) } } -#ifdef CONFIG_BLK_DEV_IDEDMA_PMAC - if (pmif->cable_80 == 0) - d.udma_mask &= ATA_UDMA2; -#endif - idx[0] = hwif->index; ide_device_add(idx, &d); |