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Linux kernel mirror (for testing) git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
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#include <linux/slab.h>#include <linux/types.h>#include <linux/kernel.h>#include <linux/pci.h>#include <linux/spinlock.h>#include <linux/string.h>#include <linux/export.h>#include <linux/dma-map-ops.h>#include <asm/hardware.h>#include <asm/io.h>#include <asm/pdc.h>#include <asm/parisc-device.h>#include <asm/ropes.h>
/* See comments in include/asm-parisc/pci.h */const struct dma_map_ops *hppa_dma_ops __ro_after_init;EXPORT_SYMBOL(hppa_dma_ops);
static struct device *root;
static inline int check_dev(struct device *dev){ if (dev->bus == &parisc_bus_type) { struct parisc_device *pdev; pdev = to_parisc_device(dev); return pdev->id.hw_type != HPHW_FAULTY; } return 1;}
static struct device *parse_tree_node(struct device *parent, int index, struct hardware_path *modpath);
struct recurse_struct { void * obj; int (*fn)(struct device *, void *);};
static int descend_children(struct device * dev, void * data){ struct recurse_struct * recurse_data = (struct recurse_struct *)data;
if (recurse_data->fn(dev, recurse_data->obj)) return 1; else return device_for_each_child(dev, recurse_data, descend_children);}
/** * for_each_padev - Iterate over all devices in the tree * @fn: Function to call for each device. * @data: Data to pass to the called function. * * This performs a depth-first traversal of the tree, calling the * function passed for each node. It calls the function for parents * before children. */
static int for_each_padev(int (*fn)(struct device *, void *), void * data){ struct recurse_struct recurse_data = { .obj = data, .fn = fn, }; return device_for_each_child(root, &recurse_data, descend_children);}
/** * match_device - Report whether this driver can handle this device * @driver: the PA-RISC driver to try * @dev: the PA-RISC device to try */static int match_device(const struct parisc_driver *driver, struct parisc_device *dev){ const struct parisc_device_id *ids;
for (ids = driver->id_table; ids->sversion; ids++) { if ((ids->sversion != SVERSION_ANY_ID) && (ids->sversion != dev->id.sversion)) continue;
if ((ids->hw_type != HWTYPE_ANY_ID) && (ids->hw_type != dev->id.hw_type)) continue;
if ((ids->hversion != HVERSION_ANY_ID) && (ids->hversion != dev->id.hversion)) continue;
return 1; } return 0;}
static int parisc_driver_probe(struct device *dev){ int rc; struct parisc_device *pa_dev = to_parisc_device(dev); struct parisc_driver *pa_drv = to_parisc_driver(dev->driver);
rc = pa_drv->probe(pa_dev);
if (!rc) pa_dev->driver = pa_drv;
return rc;}
static void __exit parisc_driver_remove(struct device *dev){ struct parisc_device *pa_dev = to_parisc_device(dev); struct parisc_driver *pa_drv = to_parisc_driver(dev->driver);
if (pa_drv->remove) pa_drv->remove(pa_dev);}
/** * register_parisc_driver - Register this driver if it can handle a device * @driver: the PA-RISC driver to try */int register_parisc_driver(struct parisc_driver *driver){ /* FIXME: we need this because apparently the sti * driver can be registered twice */ if (driver->drv.name) { pr_warn("BUG: skipping previously registered driver %s\n", driver->name); return 1; }
if (!driver->probe) { pr_warn("BUG: driver %s has no probe routine\n", driver->name); return 1; }
driver->drv.bus = &parisc_bus_type;
/* We install our own probe and remove routines */ WARN_ON(driver->drv.probe != NULL); WARN_ON(driver->drv.remove != NULL);
driver->drv.name = driver->name;
return driver_register(&driver->drv);}EXPORT_SYMBOL(register_parisc_driver);
struct match_count { struct parisc_driver * driver; int count;};
static int match_and_count(struct device * dev, void * data){ struct match_count * m = data; struct parisc_device * pdev = to_parisc_device(dev);
if (check_dev(dev)) { if (match_device(m->driver, pdev)) m->count++; } return 0;}
/** * count_parisc_driver - count # of devices this driver would match * @driver: the PA-RISC driver to try * * Use by IOMMU support to "guess" the right size IOPdir. * Formula is something like memsize/(num_iommu * entry_size). */int __init count_parisc_driver(struct parisc_driver *driver){ struct match_count m = { .driver = driver, .count = 0, };
for_each_padev(match_and_count, &m);
return m.count;}
/** * unregister_parisc_driver - Unregister this driver from the list of drivers * @driver: the PA-RISC driver to unregister */int unregister_parisc_driver(struct parisc_driver *driver){ driver_unregister(&driver->drv); return 0;}EXPORT_SYMBOL(unregister_parisc_driver);
struct find_data { unsigned long hpa; struct parisc_device * dev;};
static int find_device(struct device * dev, void * data){ struct parisc_device * pdev = to_parisc_device(dev); struct find_data * d = (struct find_data*)data;
if (check_dev(dev)) { if (pdev->hpa.start == d->hpa) { d->dev = pdev; return 1; } } return 0;}
static struct parisc_device *find_device_by_addr(unsigned long hpa){ struct find_data d = { .hpa = hpa, }; int ret;
ret = for_each_padev(find_device, &d); return ret ? d.dev : NULL;}
static int __init is_IKE_device(struct device *dev, void *data){ struct parisc_device *pdev = to_parisc_device(dev);
if (!check_dev(dev)) return 0; if (pdev->id.hw_type != HPHW_BCPORT) return 0; if (IS_IKE(pdev) || (pdev->id.hversion == REO_MERCED_PORT) || (pdev->id.hversion == REOG_MERCED_PORT)) { return 1; } return 0;}
int __init machine_has_merced_bus(void){ int ret;
ret = for_each_padev(is_IKE_device, NULL); return ret ? 1 : 0;}
/** * find_pa_parent_type - Find a parent of a specific type * @padev: The device to start searching from * @type: The device type to search for. * * Walks up the device tree looking for a device of the specified type. * If it finds it, it returns it. If not, it returns NULL. */const struct parisc_device *find_pa_parent_type(const struct parisc_device *padev, int type){ const struct device *dev = &padev->dev; while (dev != root) { struct parisc_device *candidate = to_parisc_device(dev); if (candidate->id.hw_type == type) return candidate; dev = dev->parent; }
return NULL;}
/* * get_node_path fills in @path with the firmware path to the device. * Note that if @node is a parisc device, we don't fill in the 'mod' field. * This is because both callers pass the parent and fill in the mod * themselves. If @node is a PCI device, we do fill it in, even though this * is inconsistent. */static void get_node_path(struct device *dev, struct hardware_path *path){ int i = 5; memset(&path->bc, -1, 6);
if (dev_is_pci(dev)) { unsigned int devfn = to_pci_dev(dev)->devfn; path->mod = PCI_FUNC(devfn); path->bc[i--] = PCI_SLOT(devfn); dev = dev->parent; }
while (dev != root) { if (dev_is_pci(dev)) { unsigned int devfn = to_pci_dev(dev)->devfn; path->bc[i--] = PCI_SLOT(devfn) | (PCI_FUNC(devfn)<< 5); } else if (dev->bus == &parisc_bus_type) { path->bc[i--] = to_parisc_device(dev)->hw_path; } dev = dev->parent; }}
static char *print_hwpath(struct hardware_path *path, char *output){ int i; for (i = 0; i < 6; i++) { if (path->bc[i] == -1) continue; output += sprintf(output, "%u/", (unsigned char) path->bc[i]); } output += sprintf(output, "%u", (unsigned char) path->mod); return output;}
/** * print_pa_hwpath - Returns hardware path for PA devices * @dev: The device to return the path for * @output: Pointer to a previously-allocated array to place the path in. * * This function fills in the output array with a human-readable path * to a PA device. This string is compatible with that used by PDC, and * may be printed on the outside of the box. */char *print_pa_hwpath(struct parisc_device *dev, char *output){ struct hardware_path path;
get_node_path(dev->dev.parent, &path); path.mod = dev->hw_path; return print_hwpath(&path, output);}EXPORT_SYMBOL(print_pa_hwpath);
#if defined(CONFIG_PCI) || defined(CONFIG_ISA)/** * get_pci_node_path - Determines the hardware path for a PCI device * @pdev: The device to return the path for * @path: Pointer to a previously-allocated array to place the path in. * * This function fills in the hardware_path structure with the route to * the specified PCI device. This structure is suitable for passing to * PDC calls. */void get_pci_node_path(struct pci_dev *pdev, struct hardware_path *path){ get_node_path(&pdev->dev, path);}EXPORT_SYMBOL(get_pci_node_path);
/** * print_pci_hwpath - Returns hardware path for PCI devices * @dev: The device to return the path for * @output: Pointer to a previously-allocated array to place the path in. * * This function fills in the output array with a human-readable path * to a PCI device. This string is compatible with that used by PDC, and * may be printed on the outside of the box. */char *print_pci_hwpath(struct pci_dev *dev, char *output){ struct hardware_path path;
get_pci_node_path(dev, &path); return print_hwpath(&path, output);}EXPORT_SYMBOL(print_pci_hwpath);
#endif /* defined(CONFIG_PCI) || defined(CONFIG_ISA) */
static void setup_bus_id(struct parisc_device *padev){ struct hardware_path path; char name[28]; char *output = name; int i;
get_node_path(padev->dev.parent, &path);
for (i = 0; i < 6; i++) { if (path.bc[i] == -1) continue; output += sprintf(output, "%u:", (unsigned char) path.bc[i]); } sprintf(output, "%u", (unsigned char) padev->hw_path); dev_set_name(&padev->dev, name);}
static struct parisc_device * __init create_tree_node(char id, struct device *parent){ struct parisc_device *dev = kzalloc_obj(*dev); if (!dev) return NULL;
dev->hw_path = id; dev->id.hw_type = HPHW_FAULTY;
dev->dev.parent = parent; setup_bus_id(dev);
dev->dev.bus = &parisc_bus_type; dev->dma_mask = 0xffffffffUL; /* PARISC devices are 32-bit */
/* make the generic dma mask a pointer to the parisc one */ dev->dev.dma_mask = &dev->dma_mask; dev->dev.coherent_dma_mask = dev->dma_mask; if (device_register(&dev->dev)) { put_device(&dev->dev); return NULL; }
return dev;}
struct match_id_data { char id; struct parisc_device * dev;};
static int match_by_id(struct device * dev, void * data){ struct parisc_device * pdev = to_parisc_device(dev); struct match_id_data * d = data;
if (pdev->hw_path == d->id) { d->dev = pdev; return 1; } return 0;}
/** * alloc_tree_node - returns a device entry in the iotree * @parent: the parent node in the tree * @id: the element of the module path for this entry * * Checks all the children of @parent for a matching @id. If none * found, it allocates a new device and returns it. */static struct parisc_device * __init alloc_tree_node( struct device *parent, char id){ struct match_id_data d = { .id = id, }; if (device_for_each_child(parent, &d, match_by_id)) return d.dev; else return create_tree_node(id, parent);}
static struct parisc_device *create_parisc_device(struct hardware_path *modpath){ int i; struct device *parent = root; for (i = 0; i < 6; i++) { if (modpath->bc[i] == -1) continue; parent = &alloc_tree_node(parent, modpath->bc[i])->dev; } return alloc_tree_node(parent, modpath->mod);}
struct parisc_device * __initalloc_pa_dev(unsigned long hpa, struct hardware_path *mod_path){ int status; unsigned long bytecnt; u8 iodc_data[32]; struct parisc_device *dev; const char *name;
/* Check to make sure this device has not already been added - Ryan */ if (find_device_by_addr(hpa) != NULL) return NULL;
status = pdc_iodc_read(&bytecnt, hpa, 0, &iodc_data, 32); if (status != PDC_OK) return NULL;
dev = create_parisc_device(mod_path); if (dev->id.hw_type != HPHW_FAULTY) { pr_err("Two devices have hardware path [%s]. IODC data for second device: %7phN\n" "Rearranging GSC cards sometimes helps\n", parisc_pathname(dev), iodc_data); return NULL; }
dev->id.hw_type = iodc_data[3] & 0x1f; dev->id.hversion = (iodc_data[0] << 4) | ((iodc_data[1] & 0xf0) >> 4); dev->id.hversion_rev = iodc_data[1] & 0x0f; dev->id.sversion = ((iodc_data[4] & 0x0f) << 16) | (iodc_data[5] << 8) | iodc_data[6]; dev->hpa.start = hpa; /* This is awkward. The STI spec says that gfx devices may occupy * 32MB or 64MB. Unfortunately, we don't know how to tell whether * it's the former or the latter. Assumptions either way can hurt us. */ if (hpa == 0xf4000000 || hpa == 0xf8000000) { dev->hpa.end = hpa + 0x03ffffff; } else if (hpa == 0xf6000000 || hpa == 0xfa000000) { dev->hpa.end = hpa + 0x01ffffff; } else { dev->hpa.end = hpa + 0xfff; } dev->hpa.flags = IORESOURCE_MEM; dev->hpa.name = dev->name; name = parisc_hardware_description(&dev->id) ? : "unknown"; snprintf(dev->name, sizeof(dev->name), "%s [%s]", name, parisc_pathname(dev));
/* Silently fail things like mouse ports which are subsumed within * the keyboard controller */ if ((hpa & 0xfff) == 0 && insert_resource(&iomem_resource, &dev->hpa)) pr_warn("Unable to claim HPA %lx for device %s\n", hpa, name);
return dev;}
static int parisc_generic_match(struct device *dev, const struct device_driver *drv){ return match_device(to_parisc_driver(drv), to_parisc_device(dev));}
static ssize_t make_modalias(const struct device *dev, char *buf){ const struct parisc_device *padev = to_parisc_device(dev); const struct parisc_device_id *id = &padev->id;
return sprintf(buf, "parisc:t%02Xhv%04Xrev%02Xsv%08X\n", (u8)id->hw_type, (u16)id->hversion, (u8)id->hversion_rev, (u32)id->sversion);}
static int parisc_uevent(const struct device *dev, struct kobj_uevent_env *env){ const struct parisc_device *padev; char modalias[40];
if (!dev) return -ENODEV;
padev = to_parisc_device(dev); if (!padev) return -ENODEV;
if (add_uevent_var(env, "PARISC_NAME=%s", padev->name)) return -ENOMEM;
make_modalias(dev, modalias); if (add_uevent_var(env, "MODALIAS=%s", modalias)) return -ENOMEM;
return 0;}
#define pa_dev_attr(name, field, format_string) \static ssize_t name##_show(struct device *dev, struct device_attribute *attr, char *buf) \{ \ struct parisc_device *padev = to_parisc_device(dev); \ return sprintf(buf, format_string, padev->field); \} \static DEVICE_ATTR_RO(name);
#define pa_dev_attr_id(field, format) pa_dev_attr(field, id.field, format)
pa_dev_attr(irq, irq, "%u\n");pa_dev_attr_id(hw_type, "0x%02x\n");pa_dev_attr(rev, id.hversion_rev, "0x%x\n");pa_dev_attr_id(hversion, "0x%03x\n");pa_dev_attr_id(sversion, "0x%05x\n");
static ssize_t modalias_show(struct device *dev, struct device_attribute *attr, char *buf){ return make_modalias(dev, buf);}static DEVICE_ATTR_RO(modalias);
static struct attribute *parisc_device_attrs[] = { &dev_attr_irq.attr, &dev_attr_hw_type.attr, &dev_attr_rev.attr, &dev_attr_hversion.attr, &dev_attr_sversion.attr, &dev_attr_modalias.attr, NULL,};ATTRIBUTE_GROUPS(parisc_device);
const struct bus_type parisc_bus_type = { .name = "parisc", .match = parisc_generic_match, .uevent = parisc_uevent, .dev_groups = parisc_device_groups, .probe = parisc_driver_probe, .remove = __exit_p(parisc_driver_remove),};
/** * register_parisc_device - Locate a driver to manage this device. * @dev: The parisc device. * * Search the driver list for a driver that is willing to manage * this device. */int __init register_parisc_device(struct parisc_device *dev){ if (!dev) return 0;
if (dev->driver) return 1;
return 0;}
/** * match_pci_device - Matches a pci device against a given hardware path * entry. * @dev: the generic device (known to be contained by a pci_dev). * @index: the current BC index * @modpath: the hardware path. * @return: true if the device matches the hardware path. */static int match_pci_device(struct device *dev, int index, struct hardware_path *modpath){ struct pci_dev *pdev = to_pci_dev(dev); int id;
if (index == 5) { /* we are at the end of the path, and on the actual device */ unsigned int devfn = pdev->devfn; return ((modpath->bc[5] == PCI_SLOT(devfn)) && (modpath->mod == PCI_FUNC(devfn))); }
/* index might be out of bounds for bc[] */ if (index >= 6) return 0;
id = PCI_SLOT(pdev->devfn) | (PCI_FUNC(pdev->devfn) << 5); return (modpath->bc[index] == id);}
/** * match_parisc_device - Matches a parisc device against a given hardware * path entry. * @dev: the generic device (known to be contained by a parisc_device). * @index: the current BC index * @modpath: the hardware path. * @return: true if the device matches the hardware path. */static int match_parisc_device(struct device *dev, int index, struct hardware_path *modpath){ struct parisc_device *curr = to_parisc_device(dev); char id = (index == 6) ? modpath->mod : modpath->bc[index];
return (curr->hw_path == id);}
struct parse_tree_data { int index; struct hardware_path * modpath; struct device * dev;};
static int check_parent(struct device * dev, void * data){ struct parse_tree_data * d = data;
if (check_dev(dev)) { if (dev->bus == &parisc_bus_type) { if (match_parisc_device(dev, d->index, d->modpath)) d->dev = dev; } else if (dev_is_pci(dev)) { if (match_pci_device(dev, d->index, d->modpath)) d->dev = dev; } else if (dev->bus == NULL) { /* we are on a bus bridge */ struct device *new = parse_tree_node(dev, d->index, d->modpath); if (new) d->dev = new; } } return d->dev != NULL;}
/** * parse_tree_node - returns a device entry in the iotree * @parent: the parent node in the tree * @index: the current BC index * @modpath: the hardware_path struct to match a device against * @return: The corresponding device if found, NULL otherwise. * * Checks all the children of @parent for a matching @id. If none * found, it returns NULL. */static struct device *parse_tree_node(struct device *parent, int index, struct hardware_path *modpath){ struct parse_tree_data d = { .index = index, .modpath = modpath, };
struct recurse_struct recurse_data = { .obj = &d, .fn = check_parent, };
if (device_for_each_child(parent, &recurse_data, descend_children)) { /* nothing */ }
return d.dev;}
/** * hwpath_to_device - Finds the generic device corresponding to a given hardware path. * @modpath: the hardware path. * @return: The target device, NULL if not found. */struct device *hwpath_to_device(struct hardware_path *modpath){ int i; struct device *parent = root; for (i = 0; i < 6; i++) { if (modpath->bc[i] == -1) continue; parent = parse_tree_node(parent, i, modpath); if (!parent) return NULL; } if (dev_is_pci(parent)) /* pci devices already parse MOD */ return parent; else return parse_tree_node(parent, 6, modpath);}EXPORT_SYMBOL(hwpath_to_device);
/** * device_to_hwpath - Populates the hwpath corresponding to the given device. * @dev: the target device * @path: pointer to a previously allocated hwpath struct to be filled in */void device_to_hwpath(struct device *dev, struct hardware_path *path){ struct parisc_device *padev; if (dev->bus == &parisc_bus_type) { padev = to_parisc_device(dev); get_node_path(dev->parent, path); path->mod = padev->hw_path; } else if (dev_is_pci(dev)) { get_node_path(dev, path); }}EXPORT_SYMBOL(device_to_hwpath);
#define BC_PORT_MASK 0x8#define BC_LOWER_PORT 0x8
#define BUS_CONVERTER(dev) \ ((dev->id.hw_type == HPHW_IOA) || (dev->id.hw_type == HPHW_BCPORT))
#define IS_LOWER_PORT(dev) \ ((gsc_readl(dev->hpa.start + offsetof(struct bc_module, io_status)) \ & BC_PORT_MASK) == BC_LOWER_PORT)
#define MAX_NATIVE_DEVICES 64#define NATIVE_DEVICE_OFFSET 0x1000
#define FLEX_MASK F_EXTEND(0xfffc0000)#define IO_IO_LOW offsetof(struct bc_module, io_io_low)#define IO_IO_HIGH offsetof(struct bc_module, io_io_high)#define READ_IO_IO_LOW(dev) (unsigned long)(signed int)gsc_readl(dev->hpa.start + IO_IO_LOW)#define READ_IO_IO_HIGH(dev) (unsigned long)(signed int)gsc_readl(dev->hpa.start + IO_IO_HIGH)
static void walk_native_bus(unsigned long io_io_low, unsigned long io_io_high, struct device *parent);
static void __init walk_lower_bus(struct parisc_device *dev){ unsigned long io_io_low, io_io_high;
if (!BUS_CONVERTER(dev) || IS_LOWER_PORT(dev)) return;
if (dev->id.hw_type == HPHW_IOA) { io_io_low = (unsigned long)(signed int)(READ_IO_IO_LOW(dev) << 16); io_io_high = io_io_low + MAX_NATIVE_DEVICES * NATIVE_DEVICE_OFFSET; } else { io_io_low = (READ_IO_IO_LOW(dev) + ~FLEX_MASK) & FLEX_MASK; io_io_high = (READ_IO_IO_HIGH(dev)+ ~FLEX_MASK) & FLEX_MASK; }
walk_native_bus(io_io_low, io_io_high, &dev->dev);}
/** * walk_native_bus -- Probe a bus for devices * @io_io_low: Base address of this bus. * @io_io_high: Last address of this bus. * @parent: The parent bus device. * * A native bus (eg Runway or GSC) may have up to 64 devices on it, * spaced at intervals of 0x1000 bytes. PDC may not inform us of these * devices, so we have to probe for them. Unfortunately, we may find * devices which are not physically connected (such as extra serial & * keyboard ports). This problem is not yet solved. */static void __init walk_native_bus(unsigned long io_io_low, unsigned long io_io_high, struct device *parent){ int i, devices_found = 0; unsigned long hpa = io_io_low; struct hardware_path path;
get_node_path(parent, &path); do { for(i = 0; i < MAX_NATIVE_DEVICES; i++, hpa += NATIVE_DEVICE_OFFSET) { struct parisc_device *dev;
/* Was the device already added by Firmware? */ dev = find_device_by_addr(hpa); if (!dev) { path.mod = i; dev = alloc_pa_dev(hpa, &path); if (!dev) continue;
register_parisc_device(dev); devices_found++; } walk_lower_bus(dev); } } while(!devices_found && hpa < io_io_high);}
#define CENTRAL_BUS_ADDR F_EXTEND(0xfff80000)
/** * walk_central_bus - Find devices attached to the central bus * * PDC doesn't tell us about all devices in the system. This routine * finds devices connected to the central bus. */void __init walk_central_bus(void){ walk_native_bus(CENTRAL_BUS_ADDR, CENTRAL_BUS_ADDR + (MAX_NATIVE_DEVICES * NATIVE_DEVICE_OFFSET), root);}
static __init void print_parisc_device(struct parisc_device *dev){ static int count __initdata;
pr_info("%d. %s at %pap { type:%d, hv:%#x, sv:%#x, rev:%#x }", ++count, dev->name, &(dev->hpa.start), dev->id.hw_type, dev->id.hversion, dev->id.sversion, dev->id.hversion_rev);
if (dev->num_addrs) { int k; pr_cont(", additional addresses: "); for (k = 0; k < dev->num_addrs; k++) pr_cont("0x%lx ", dev->addr[k]); } pr_cont("\n");}
/** * init_parisc_bus - Some preparation to be done before inventory */void __init init_parisc_bus(void){ if (bus_register(&parisc_bus_type)) panic("Could not register PA-RISC bus type\n");
root = root_device_register("parisc"); if (IS_ERR(root)) panic("Could not register PA-RISC root device\n");}
static __init void qemu_header(void){ int num; unsigned long *p; char name_mpe[80];
pr_info("--- cut here ---\n"); pr_info("/* AUTO-GENERATED HEADER FILE FOR SEABIOS FIRMWARE */\n"); pr_cont("/* generated with Linux kernel */\n"); pr_cont("/* search for PARISC_QEMU_MACHINE_HEADER in Linux */\n\n");
pr_info("#define PARISC_MODEL \"%s\"\n", boot_cpu_data.pdc.sys_model_name); strcpy(name_mpe, boot_cpu_data.pdc.sys_model_name); pdc_model_sysmodel(OS_ID_MPEXL, name_mpe); pr_info("#define PARISC_MODEL_MPE \"%s\"\n\n", name_mpe);
#define p ((unsigned long *)&boot_cpu_data.pdc.model) pr_info("#define PARISC_PDC_MODEL 0x%lx, 0x%lx, 0x%lx, " "0x%lx, 0x%lx, 0x%lx, 0x%lx, 0x%lx, 0x%lx, 0x%lx\n\n", p[0], p[1], p[2], p[3], p[4], p[5], p[6], p[7], p[8], p[9]); #undef p
pr_info("#define PARISC_PDC_VERSION 0x%04lx\n\n", boot_cpu_data.pdc.versions);
pr_info("#define PARISC_PDC_CPUID 0x%04lx\n\n", boot_cpu_data.pdc.cpuid);
pr_info("#define PARISC_PDC_CAPABILITIES 0x%04lx\n\n", boot_cpu_data.pdc.capabilities);
pr_info("#define PARISC_PDC_ENTRY_ORG 0x%04lx\n\n",#ifdef CONFIG_64BIT (unsigned long)(PAGE0->mem_pdc_hi) << 32 |#endif (unsigned long)PAGE0->mem_pdc);
pr_info("#define PARISC_PDC_CACHE_INFO"); p = (unsigned long *) &cache_info; for (num = 0; num < sizeof(cache_info); num += sizeof(unsigned long)) { if (((num % 5) == 0)) { pr_cont(" \\\n"); pr_info("\t"); } pr_cont("%s0x%04lx", num?", ":"", *p++); } pr_cont("\n\n");}
static __init int qemu_print_hpa(struct device *lin_dev, void *data){ struct parisc_device *dev = to_parisc_device(lin_dev); unsigned long hpa = dev->hpa.start;
pr_cont("\t{\t.hpa = 0x%08lx,\\\n", hpa); pr_cont("\t\t.iodc = &iodc_data_hpa_%08lx,\\\n", hpa); pr_cont("\t\t.mod_info = &mod_info_hpa_%08lx,\\\n", hpa); pr_cont("\t\t.mod_path = &mod_path_hpa_%08lx,\\\n", hpa); pr_cont("\t\t.num_addr = HPA_%08lx_num_addr,\\\n", hpa); pr_cont("\t\t.add_addr = { HPA_%08lx_add_addr } },\\\n", hpa); return 0;}
static __init void qemu_footer(void){ pr_info("\n\n#define PARISC_DEVICE_LIST \\\n"); for_each_padev(qemu_print_hpa, NULL); pr_cont("\t{ 0, }\n"); pr_info("--- cut here ---\n");}
/* print iodc data of the various hpa modules for qemu inclusion */static __init int qemu_print_iodc_data(struct device *lin_dev, void *data){ struct parisc_device *dev = to_parisc_device(lin_dev); unsigned long count; unsigned long hpa = dev->hpa.start; int status; struct pdc_iodc iodc_data;
int mod_index; struct pdc_system_map_mod_info pdc_mod_info; struct pdc_module_path mod_path;
memset(&iodc_data, 0, sizeof(iodc_data)); status = pdc_iodc_read(&count, hpa, 0, &iodc_data, sizeof(iodc_data)); if (status != PDC_OK) { pr_info("No IODC data for hpa 0x%08lx\n", hpa); return 0; }
pr_info("\n");
/* Prevent hung task messages when printing on serial console */ cond_resched();
pr_info("#define HPA_%08lx_DESCRIPTION \"%s\"\n", hpa, parisc_hardware_description(&dev->id));
mod_index = 0; do { /* initialize device path for old machines */ memset(&mod_path, 0xff, sizeof(mod_path)); get_node_path(dev->dev.parent, &mod_path.path); mod_path.path.mod = dev->hw_path; memset(&pdc_mod_info, 0, sizeof(pdc_mod_info)); status = pdc_system_map_find_mods(&pdc_mod_info, &mod_path, mod_index++); } while (status == PDC_OK && pdc_mod_info.mod_addr != hpa);
pr_info("static struct pdc_system_map_mod_info" " mod_info_hpa_%08lx = {\n", hpa); #define DO(member) \ pr_cont("\t." #member " = 0x%x,\n", \ (unsigned int)pdc_mod_info.member) DO(mod_addr); DO(mod_pgs); DO(add_addrs); pr_cont("};\n"); #undef DO pr_info("static struct pdc_module_path " "mod_path_hpa_%08lx = {\n", hpa); pr_cont("\t.path = { "); pr_cont(".flags = 0x%x, ", mod_path.path.flags); pr_cont(".bc = { 0x%02x, 0x%02x, 0x%02x, 0x%02x, 0x%02x, 0x%02x }, ", (unsigned char)mod_path.path.bc[0], (unsigned char)mod_path.path.bc[1], (unsigned char)mod_path.path.bc[2], (unsigned char)mod_path.path.bc[3], (unsigned char)mod_path.path.bc[4], (unsigned char)mod_path.path.bc[5]); pr_cont(".mod = 0x%02x }\n", (unsigned char)mod_path.path.mod); pr_cont("};\n");
pr_info("static struct pdc_iodc iodc_data_hpa_%08lx = {\n", hpa); #define DO(member) \ pr_cont("\t." #member " = 0x%04lx,\n", \ (unsigned long)iodc_data.member) DO(hversion_model); DO(hversion); DO(spa); DO(type); DO(sversion_rev); DO(sversion_model); DO(sversion_opt); DO(rev); DO(dep); DO(features); DO(checksum); DO(length); #undef DO pr_cont("};\n");
pr_info("#define HPA_%08lx_num_addr %d\n", hpa, dev->num_addrs); pr_info("#define HPA_%08lx_add_addr ", hpa); count = 0; if (dev->num_addrs == 0) pr_cont("0"); while (count < dev->num_addrs) { pr_cont("0x%08lx, ", dev->addr[count]); count++; } pr_cont("\n\n");
return 0;}
static __init int print_one_device(struct device * dev, void * data){ struct parisc_device * pdev = to_parisc_device(dev);
if (check_dev(dev)) print_parisc_device(pdev); return 0;}
/** * print_parisc_devices - Print out a list of devices found in this system */void __init print_parisc_devices(void){ for_each_padev(print_one_device, NULL); #define PARISC_QEMU_MACHINE_HEADER 0 if (PARISC_QEMU_MACHINE_HEADER) { qemu_header(); for_each_padev(qemu_print_iodc_data, NULL); qemu_footer(); }}