diff options
Diffstat (limited to 'arch/sparc64/kernel/isa.c')
| -rw-r--r-- | arch/sparc64/kernel/isa.c | 219 |
1 files changed, 0 insertions, 219 deletions
diff --git a/arch/sparc64/kernel/isa.c b/arch/sparc64/kernel/isa.c deleted file mode 100644 index 0f3aec72ef5..00000000000 --- a/arch/sparc64/kernel/isa.c +++ /dev/null @@ -1,219 +0,0 @@ -#include <linux/kernel.h> -#include <linux/init.h> -#include <linux/pci.h> -#include <linux/slab.h> -#include <asm/oplib.h> -#include <asm/prom.h> -#include <asm/of_device.h> -#include <asm/isa.h> - -struct sparc_isa_bridge *isa_chain; - -static void __init fatal_err(const char *reason) -{ - prom_printf("ISA: fatal error, %s.\n", reason); -} - -static void __init report_dev(struct sparc_isa_device *isa_dev, int child) -{ - if (child) - printk(" (%s)", isa_dev->prom_node->name); - else - printk(" [%s", isa_dev->prom_node->name); -} - -static struct linux_prom_registers * __init -isa_dev_get_resource(struct sparc_isa_device *isa_dev) -{ - struct linux_prom_registers *pregs; - unsigned long base, len; - int prop_len; - - pregs = of_get_property(isa_dev->prom_node, "reg", &prop_len); - - /* Only the first one is interesting. */ - len = pregs[0].reg_size; - base = (((unsigned long)pregs[0].which_io << 32) | - (unsigned long)pregs[0].phys_addr); - base += isa_dev->bus->parent->io_space.start; - - isa_dev->resource.start = base; - isa_dev->resource.end = (base + len - 1UL); - isa_dev->resource.flags = IORESOURCE_IO; - isa_dev->resource.name = isa_dev->prom_node->name; - - request_resource(&isa_dev->bus->parent->io_space, - &isa_dev->resource); - - return pregs; -} - -static void __init isa_dev_get_irq(struct sparc_isa_device *isa_dev, - struct linux_prom_registers *pregs) -{ - struct of_device *op = of_find_device_by_node(isa_dev->prom_node); - - if (!op || !op->num_irqs) { - isa_dev->irq = PCI_IRQ_NONE; - } else { - isa_dev->irq = op->irqs[0]; - } -} - -static void __init isa_fill_children(struct sparc_isa_device *parent_isa_dev) -{ - struct device_node *dp = parent_isa_dev->prom_node->child; - - if (!dp) - return; - - printk(" ->"); - while (dp) { - struct linux_prom_registers *regs; - struct sparc_isa_device *isa_dev; - - isa_dev = kmalloc(sizeof(*isa_dev), GFP_KERNEL); - if (!isa_dev) { - fatal_err("cannot allocate child isa_dev"); - prom_halt(); - } - - memset(isa_dev, 0, sizeof(*isa_dev)); - - /* Link it in to parent. */ - isa_dev->next = parent_isa_dev->child; - parent_isa_dev->child = isa_dev; - - isa_dev->bus = parent_isa_dev->bus; - isa_dev->prom_node = dp; - - regs = isa_dev_get_resource(isa_dev); - isa_dev_get_irq(isa_dev, regs); - - report_dev(isa_dev, 1); - - dp = dp->sibling; - } -} - -static void __init isa_fill_devices(struct sparc_isa_bridge *isa_br) -{ - struct device_node *dp = isa_br->prom_node->child; - - while (dp) { - struct linux_prom_registers *regs; - struct sparc_isa_device *isa_dev; - - isa_dev = kmalloc(sizeof(*isa_dev), GFP_KERNEL); - if (!isa_dev) { - printk(KERN_DEBUG "ISA: cannot allocate isa_dev"); - return; - } - - memset(isa_dev, 0, sizeof(*isa_dev)); - - isa_dev->ofdev.node = dp; - isa_dev->ofdev.dev.parent = &isa_br->ofdev.dev; - isa_dev->ofdev.dev.bus = &isa_bus_type; - strcpy(isa_dev->ofdev.dev.bus_id, dp->path_component_name); - - /* Register with core */ - if (of_device_register(&isa_dev->ofdev) != 0) { - printk(KERN_DEBUG "isa: device registration error for %s!\n", - isa_dev->ofdev.dev.bus_id); - kfree(isa_dev); - goto next_sibling; - } - - /* Link it in. */ - isa_dev->next = NULL; - if (isa_br->devices == NULL) { - isa_br->devices = isa_dev; - } else { - struct sparc_isa_device *tmp = isa_br->devices; - - while (tmp->next) - tmp = tmp->next; - - tmp->next = isa_dev; - } - - isa_dev->bus = isa_br; - isa_dev->prom_node = dp; - - regs = isa_dev_get_resource(isa_dev); - isa_dev_get_irq(isa_dev, regs); - - report_dev(isa_dev, 0); - - isa_fill_children(isa_dev); - - printk("]"); - - next_sibling: - dp = dp->sibling; - } -} - -void __init isa_init(void) -{ - struct pci_dev *pdev; - unsigned short vendor, device; - int index = 0; - - vendor = PCI_VENDOR_ID_AL; - device = PCI_DEVICE_ID_AL_M1533; - - pdev = NULL; - while ((pdev = pci_get_device(vendor, device, pdev)) != NULL) { - struct pcidev_cookie *pdev_cookie; - struct pci_pbm_info *pbm; - struct sparc_isa_bridge *isa_br; - struct device_node *dp; - - pdev_cookie = pdev->sysdata; - if (!pdev_cookie) { - printk("ISA: Warning, ISA bridge ignored due to " - "lack of OBP data.\n"); - continue; - } - pbm = pdev_cookie->pbm; - dp = pdev_cookie->prom_node; - - isa_br = kmalloc(sizeof(*isa_br), GFP_KERNEL); - if (!isa_br) { - printk(KERN_DEBUG "isa: cannot allocate sparc_isa_bridge"); - return; - } - - memset(isa_br, 0, sizeof(*isa_br)); - - isa_br->ofdev.node = dp; - isa_br->ofdev.dev.parent = &pdev->dev; - isa_br->ofdev.dev.bus = &isa_bus_type; - strcpy(isa_br->ofdev.dev.bus_id, dp->path_component_name); - - /* Register with core */ - if (of_device_register(&isa_br->ofdev) != 0) { - printk(KERN_DEBUG "isa: device registration error for %s!\n", - isa_br->ofdev.dev.bus_id); - kfree(isa_br); - return; - } - - /* Link it in. */ - isa_br->next = isa_chain; - isa_chain = isa_br; - - isa_br->parent = pbm; - isa_br->self = pdev; - isa_br->index = index++; - isa_br->prom_node = pdev_cookie->prom_node; - - printk("isa%d:", isa_br->index); - - isa_fill_devices(isa_br); - - printk("\n"); - } -} |