diff options
| -rw-r--r-- | drivers/char/cyclades.c | 163 |
1 files changed, 90 insertions, 73 deletions
diff --git a/drivers/char/cyclades.c b/drivers/char/cyclades.c index 962a36303d5..1430e136d44 100644 --- a/drivers/char/cyclades.c +++ b/drivers/char/cyclades.c @@ -4711,6 +4711,92 @@ static void plx_init(void __iomem * addr, __u32 initctl) cy_writel(addr + initctl, readl(addr + initctl) & ~0x20000000); } +static int __devinit cy_init_Ze(unsigned long cy_pci_phys0, + unsigned long cy_pci_phys2, + struct RUNTIME_9060 __iomem *cy_pci_addr0, + void __iomem *cy_pci_addr2, int cy_pci_irq, + struct pci_dev *pdev) +{ + unsigned int j; + unsigned short cy_pci_nchan; + + readl(&cy_pci_addr0->mail_box_0); +#ifdef CY_PCI_DEBUG + printk("Cyclades-Z/PCI: relocate winaddr=0x%lx ctladdr=0x%lx\n", + (ulong)cy_pci_addr2, (ulong)cy_pci_addr0); + printk("Cyclades-Z/PCI: New Cyclades-Z board. FPGA not " + "loaded\n"); +#endif + /* This must be the new Cyclades-Ze/PCI. */ + cy_pci_nchan = ZE_V1_NPORTS; + + if ((cy_next_channel + cy_pci_nchan) > NR_PORTS) { + printk("Cyclades-Ze/PCI found at 0x%lx but no channels " + "are available.\nChange NR_PORTS in cyclades.c " + "and recompile kernel.\n", + (ulong) cy_pci_phys2); + return -EIO; + } + + /* fill the next cy_card structure available */ + for (j = 0; j < NR_CARDS; j++) { + if (cy_card[j].base_addr == 0) + break; + } + if (j == NR_CARDS) { /* no more cy_cards available */ + printk("Cyclades-Ze/PCI found at 0x%lx but no more " + "cards can be used.\nChange NR_CARDS in " + "cyclades.c and recompile kernel.\n", + (ulong) cy_pci_phys2); + return -EIO; + } +#ifdef CONFIG_CYZ_INTR + /* allocate IRQ only if board has an IRQ */ + if ((cy_pci_irq != 0) && (cy_pci_irq != 255)) { + if (request_irq(cy_pci_irq, cyz_interrupt, + IRQF_SHARED, "Cyclades-Z", + &cy_card[j])) { + printk("Cyclom-Ze/PCI found at 0x%lx ", + (ulong) cy_pci_phys2); + printk("but could not allocate IRQ%d.\n", + cy_pci_irq); + return -EIO; + } + } +#endif /* CONFIG_CYZ_INTR */ + + /* set cy_card */ + cy_card[j].base_phys = cy_pci_phys2; + cy_card[j].ctl_phys = cy_pci_phys0; + cy_card[j].base_addr = cy_pci_addr2; + cy_card[j].ctl_addr = cy_pci_addr0; + cy_card[j].irq = (int)cy_pci_irq; + cy_card[j].bus_index = 1; + cy_card[j].first_line = cy_next_channel; + cy_card[j].num_chips = -1; + cy_card[j].pdev = pdev; + + /* print message */ +#ifdef CONFIG_CYZ_INTR + /* don't report IRQ if board is no IRQ */ + if ((cy_pci_irq != 0) && (cy_pci_irq != 255)) + printk("Cyclades-Ze/PCI #%d: 0x%lx-0x%lx, IRQ%d, ", + j + 1, (ulong) cy_pci_phys2, + (ulong) (cy_pci_phys2 + CyPCI_Ze_win - 1), + (int)cy_pci_irq); + else +#endif /* CONFIG_CYZ_INTR */ + printk("Cyclades-Ze/PCI #%d: 0x%lx-0x%lx, ", + j + 1, (ulong) cy_pci_phys2, + (ulong) (cy_pci_phys2 + CyPCI_Ze_win - 1)); + + printk("%d channels starting from port %d.\n", + cy_pci_nchan, cy_next_channel); + cy_next_channel += cy_pci_nchan; + + return 0; +} + /* * --------------------------------------------------------------------- * cy_detect_pci() - Test PCI bus presence and Cyclom-Ye/PCI. @@ -4734,6 +4820,7 @@ static int __init cy_detect_pci(void) __u32 Ze_phys0[NR_CARDS], Ze_phys2[NR_CARDS]; unsigned char Ze_irq[NR_CARDS]; struct pci_dev *Ze_pdev[NR_CARDS]; + int retval; for (i = 0; i < NR_CARDS; i++) { /* look for a Cyclades card by vendor and device id */ @@ -5095,80 +5182,10 @@ static int __init cy_detect_pci(void) Ze_pdev[j] = Ze_pdev[j + 1]; } ZeIndex--; - mailbox = (__u32)readl(&((struct RUNTIME_9060 __iomem *) - cy_pci_addr0)->mail_box_0); -#ifdef CY_PCI_DEBUG - printk("Cyclades-Z/PCI: relocate winaddr=0x%lx ctladdr=0x%lx\n", - (ulong)cy_pci_addr2, (ulong)cy_pci_addr0); - printk("Cyclades-Z/PCI: New Cyclades-Z board. FPGA not " - "loaded\n"); -#endif - /* This must be the new Cyclades-Ze/PCI. */ - cy_pci_nchan = ZE_V1_NPORTS; - - if ((cy_next_channel + cy_pci_nchan) > NR_PORTS) { - printk("Cyclades-Ze/PCI found at 0x%lx but no channels " - "are available.\nChange NR_PORTS in cyclades.c " - "and recompile kernel.\n", - (ulong) cy_pci_phys2); - return i; - } - - /* fill the next cy_card structure available */ - for (j = 0; j < NR_CARDS; j++) { - if (cy_card[j].base_addr == 0) - break; - } - if (j == NR_CARDS) { /* no more cy_cards available */ - printk("Cyclades-Ze/PCI found at 0x%lx but no more " - "cards can be used.\nChange NR_CARDS in " - "cyclades.c and recompile kernel.\n", - (ulong) cy_pci_phys2); + retval = cy_init_Ze(cy_pci_phys0, cy_pci_phys2, cy_pci_addr0, + cy_pci_addr2, cy_pci_irq, pdev); + if (retval < 0) return i; - } -#ifdef CONFIG_CYZ_INTR - /* allocate IRQ only if board has an IRQ */ - if ((cy_pci_irq != 0) && (cy_pci_irq != 255)) { - if (request_irq(cy_pci_irq, cyz_interrupt, - IRQF_SHARED, "Cyclades-Z", - &cy_card[j])) { - printk("Cyclom-Ze/PCI found at 0x%lx ", - (ulong) cy_pci_phys2); - printk("but could not allocate IRQ%d.\n", - cy_pci_irq); - return i; - } - } -#endif /* CONFIG_CYZ_INTR */ - - /* set cy_card */ - cy_card[j].base_phys = cy_pci_phys2; - cy_card[j].ctl_phys = cy_pci_phys0; - cy_card[j].base_addr = cy_pci_addr2; - cy_card[j].ctl_addr = cy_pci_addr0; - cy_card[j].irq = (int)cy_pci_irq; - cy_card[j].bus_index = 1; - cy_card[j].first_line = cy_next_channel; - cy_card[j].num_chips = -1; - cy_card[j].pdev = pdev; - - /* print message */ -#ifdef CONFIG_CYZ_INTR - /* don't report IRQ if board is no IRQ */ - if ((cy_pci_irq != 0) && (cy_pci_irq != 255)) - printk("Cyclades-Ze/PCI #%d: 0x%lx-0x%lx, IRQ%d, ", - j + 1, (ulong) cy_pci_phys2, - (ulong) (cy_pci_phys2 + CyPCI_Ze_win - 1), - (int)cy_pci_irq); - else -#endif /* CONFIG_CYZ_INTR */ - printk("Cyclades-Ze/PCI #%d: 0x%lx-0x%lx, ", - j + 1, (ulong) cy_pci_phys2, - (ulong) (cy_pci_phys2 + CyPCI_Ze_win - 1)); - - printk("%d channels starting from port %d.\n", - cy_pci_nchan, cy_next_channel); - cy_next_channel += cy_pci_nchan; } if (ZeIndex != 0) { printk("Cyclades-Ze/PCI found at 0x%x but no more cards can be " |