diff options
Diffstat (limited to 'arch/sparc/kernel/ebus.c')
| -rw-r--r-- | arch/sparc/kernel/ebus.c | 164 |
1 files changed, 84 insertions, 80 deletions
diff --git a/arch/sparc/kernel/ebus.c b/arch/sparc/kernel/ebus.c index 5c3529ceb5d6..9d461da76399 100644 --- a/arch/sparc/kernel/ebus.c +++ b/arch/sparc/kernel/ebus.c | |||
| @@ -20,6 +20,7 @@ | |||
| 20 | #include <asm/ebus.h> | 20 | #include <asm/ebus.h> |
| 21 | #include <asm/io.h> | 21 | #include <asm/io.h> |
| 22 | #include <asm/oplib.h> | 22 | #include <asm/oplib.h> |
| 23 | #include <asm/prom.h> | ||
| 23 | #include <asm/bpp.h> | 24 | #include <asm/bpp.h> |
| 24 | 25 | ||
| 25 | struct linux_ebus *ebus_chain = NULL; | 26 | struct linux_ebus *ebus_chain = NULL; |
| @@ -83,79 +84,81 @@ int __init ebus_blacklist_irq(char *name) | |||
| 83 | return 0; | 84 | return 0; |
| 84 | } | 85 | } |
| 85 | 86 | ||
| 86 | void __init fill_ebus_child(int node, struct linux_prom_registers *preg, | 87 | void __init fill_ebus_child(struct device_node *dp, |
| 87 | struct linux_ebus_child *dev) | 88 | struct linux_ebus_child *dev) |
| 88 | { | 89 | { |
| 89 | int regs[PROMREG_MAX]; | 90 | int *regs; |
| 90 | int irqs[PROMREG_MAX]; | 91 | int *irqs; |
| 91 | char lbuf[128]; | ||
| 92 | int i, len; | 92 | int i, len; |
| 93 | 93 | ||
| 94 | dev->prom_node = node; | 94 | dev->prom_node = dp; |
| 95 | prom_getstring(node, "name", lbuf, sizeof(lbuf)); | 95 | regs = of_get_property(dp, "reg", &len); |
| 96 | strcpy(dev->prom_name, lbuf); | 96 | if (!regs) |
| 97 | 97 | len = 0; | |
| 98 | len = prom_getproperty(node, "reg", (void *)regs, sizeof(regs)); | ||
| 99 | if (len == -1) len = 0; | ||
| 100 | dev->num_addrs = len / sizeof(regs[0]); | 98 | dev->num_addrs = len / sizeof(regs[0]); |
| 101 | 99 | ||
| 102 | for (i = 0; i < dev->num_addrs; i++) { | 100 | for (i = 0; i < dev->num_addrs; i++) { |
| 103 | if (regs[i] >= dev->parent->num_addrs) { | 101 | if (regs[i] >= dev->parent->num_addrs) { |
| 104 | prom_printf("UGH: property for %s was %d, need < %d\n", | 102 | prom_printf("UGH: property for %s was %d, need < %d\n", |
| 105 | dev->prom_name, len, dev->parent->num_addrs); | 103 | dev->prom_node->name, len, |
| 104 | dev->parent->num_addrs); | ||
| 106 | panic(__FUNCTION__); | 105 | panic(__FUNCTION__); |
| 107 | } | 106 | } |
| 108 | dev->resource[i].start = dev->parent->resource[regs[i]].start; /* XXX resource */ | 107 | |
| 108 | /* XXX resource */ | ||
| 109 | dev->resource[i].start = | ||
| 110 | dev->parent->resource[regs[i]].start; | ||
| 109 | } | 111 | } |
| 110 | 112 | ||
| 111 | for (i = 0; i < PROMINTR_MAX; i++) | 113 | for (i = 0; i < PROMINTR_MAX; i++) |
| 112 | dev->irqs[i] = PCI_IRQ_NONE; | 114 | dev->irqs[i] = PCI_IRQ_NONE; |
| 113 | 115 | ||
| 114 | if ((dev->irqs[0] = ebus_blacklist_irq(dev->prom_name)) != 0) { | 116 | if ((dev->irqs[0] = ebus_blacklist_irq(dev->prom_node->name)) != 0) { |
| 115 | dev->num_irqs = 1; | 117 | dev->num_irqs = 1; |
| 116 | } else if ((len = prom_getproperty(node, "interrupts", | ||
| 117 | (char *)&irqs, sizeof(irqs))) == -1 || len == 0) { | ||
| 118 | dev->num_irqs = 0; | ||
| 119 | dev->irqs[0] = 0; | ||
| 120 | if (dev->parent->num_irqs != 0) { | ||
| 121 | dev->num_irqs = 1; | ||
| 122 | dev->irqs[0] = dev->parent->irqs[0]; | ||
| 123 | /* P3 */ /* printk("EBUS: dev %s irq %d from parent\n", dev->prom_name, dev->irqs[0]); */ | ||
| 124 | } | ||
| 125 | } else { | 118 | } else { |
| 126 | dev->num_irqs = len / sizeof(irqs[0]); | 119 | irqs = of_get_property(dp, "interrupts", &len); |
| 127 | if (irqs[0] == 0 || irqs[0] >= 8) { | 120 | if (!irqs) { |
| 128 | /* | ||
| 129 | * XXX Zero is a valid pin number... | ||
| 130 | * This works as long as Ebus is not wired to INTA#. | ||
| 131 | */ | ||
| 132 | printk("EBUS: %s got bad irq %d from PROM\n", | ||
| 133 | dev->prom_name, irqs[0]); | ||
| 134 | dev->num_irqs = 0; | 121 | dev->num_irqs = 0; |
| 135 | dev->irqs[0] = 0; | 122 | dev->irqs[0] = 0; |
| 123 | if (dev->parent->num_irqs != 0) { | ||
| 124 | dev->num_irqs = 1; | ||
| 125 | dev->irqs[0] = dev->parent->irqs[0]; | ||
| 126 | } | ||
| 136 | } else { | 127 | } else { |
| 137 | dev->irqs[0] = pcic_pin_to_irq(irqs[0], dev->prom_name); | 128 | dev->num_irqs = len / sizeof(irqs[0]); |
| 129 | if (irqs[0] == 0 || irqs[0] >= 8) { | ||
| 130 | /* | ||
| 131 | * XXX Zero is a valid pin number... | ||
| 132 | * This works as long as Ebus is not wired | ||
| 133 | * to INTA#. | ||
| 134 | */ | ||
| 135 | printk("EBUS: %s got bad irq %d from PROM\n", | ||
| 136 | dev->prom_node->name, irqs[0]); | ||
| 137 | dev->num_irqs = 0; | ||
| 138 | dev->irqs[0] = 0; | ||
| 139 | } else { | ||
| 140 | dev->irqs[0] = | ||
| 141 | pcic_pin_to_irq(irqs[0], | ||
| 142 | dev->prom_node->name); | ||
| 143 | } | ||
| 138 | } | 144 | } |
| 139 | } | 145 | } |
| 140 | } | 146 | } |
| 141 | 147 | ||
| 142 | void __init fill_ebus_device(int node, struct linux_ebus_device *dev) | 148 | void __init fill_ebus_device(struct device_node *dp, struct linux_ebus_device *dev) |
| 143 | { | 149 | { |
| 144 | struct linux_prom_registers regs[PROMREG_MAX]; | 150 | struct linux_prom_registers *regs; |
| 145 | struct linux_ebus_child *child; | 151 | struct linux_ebus_child *child; |
| 146 | int irqs[PROMINTR_MAX]; | 152 | int *irqs; |
| 147 | char lbuf[128]; | ||
| 148 | int i, n, len; | 153 | int i, n, len; |
| 149 | unsigned long baseaddr; | 154 | unsigned long baseaddr; |
| 150 | 155 | ||
| 151 | dev->prom_node = node; | 156 | dev->prom_node = dp; |
| 152 | prom_getstring(node, "name", lbuf, sizeof(lbuf)); | ||
| 153 | strcpy(dev->prom_name, lbuf); | ||
| 154 | 157 | ||
| 155 | len = prom_getproperty(node, "reg", (void *)regs, sizeof(regs)); | 158 | regs = of_get_property(dp, "reg", &len); |
| 156 | if (len % sizeof(struct linux_prom_registers)) { | 159 | if (len % sizeof(struct linux_prom_registers)) { |
| 157 | prom_printf("UGH: proplen for %s was %d, need multiple of %d\n", | 160 | prom_printf("UGH: proplen for %s was %d, need multiple of %d\n", |
| 158 | dev->prom_name, len, | 161 | dev->prom_node->name, len, |
| 159 | (int)sizeof(struct linux_prom_registers)); | 162 | (int)sizeof(struct linux_prom_registers)); |
| 160 | panic(__FUNCTION__); | 163 | panic(__FUNCTION__); |
| 161 | } | 164 | } |
| @@ -197,7 +200,7 @@ void __init fill_ebus_device(int node, struct linux_ebus_device *dev) | |||
| 197 | if ((baseaddr = (unsigned long) ioremap(baseaddr, | 200 | if ((baseaddr = (unsigned long) ioremap(baseaddr, |
| 198 | regs[i].reg_size)) == 0) { | 201 | regs[i].reg_size)) == 0) { |
| 199 | panic("ebus: unable to remap dev %s", | 202 | panic("ebus: unable to remap dev %s", |
| 200 | dev->prom_name); | 203 | dev->prom_node->name); |
| 201 | } | 204 | } |
| 202 | } | 205 | } |
| 203 | dev->resource[i].start = baseaddr; /* XXX Unaligned */ | 206 | dev->resource[i].start = baseaddr; /* XXX Unaligned */ |
| @@ -206,29 +209,33 @@ void __init fill_ebus_device(int node, struct linux_ebus_device *dev) | |||
| 206 | for (i = 0; i < PROMINTR_MAX; i++) | 209 | for (i = 0; i < PROMINTR_MAX; i++) |
| 207 | dev->irqs[i] = PCI_IRQ_NONE; | 210 | dev->irqs[i] = PCI_IRQ_NONE; |
| 208 | 211 | ||
| 209 | if ((dev->irqs[0] = ebus_blacklist_irq(dev->prom_name)) != 0) { | 212 | if ((dev->irqs[0] = ebus_blacklist_irq(dev->prom_node->name)) != 0) { |
| 210 | dev->num_irqs = 1; | 213 | dev->num_irqs = 1; |
| 211 | } else if ((len = prom_getproperty(node, "interrupts", | ||
| 212 | (char *)&irqs, sizeof(irqs))) == -1 || len == 0) { | ||
| 213 | dev->num_irqs = 0; | ||
| 214 | if ((dev->irqs[0] = dev->bus->self->irq) != 0) { | ||
| 215 | dev->num_irqs = 1; | ||
| 216 | /* P3 */ /* printk("EBUS: child %s irq %d from parent\n", dev->prom_name, dev->irqs[0]); */ | ||
| 217 | } | ||
| 218 | } else { | 214 | } else { |
| 219 | dev->num_irqs = 1; /* dev->num_irqs = len / sizeof(irqs[0]); */ | 215 | irqs = of_get_property(dp, "interrupts", &len); |
| 220 | if (irqs[0] == 0 || irqs[0] >= 8) { | 216 | if (!irqs) { |
| 221 | /* See above for the parent. XXX */ | ||
| 222 | printk("EBUS: %s got bad irq %d from PROM\n", | ||
| 223 | dev->prom_name, irqs[0]); | ||
| 224 | dev->num_irqs = 0; | 217 | dev->num_irqs = 0; |
| 225 | dev->irqs[0] = 0; | 218 | if ((dev->irqs[0] = dev->bus->self->irq) != 0) { |
| 219 | dev->num_irqs = 1; | ||
| 220 | /* P3 */ /* printk("EBUS: child %s irq %d from parent\n", dev->prom_name, dev->irqs[0]); */ | ||
| 221 | } | ||
| 226 | } else { | 222 | } else { |
| 227 | dev->irqs[0] = pcic_pin_to_irq(irqs[0], dev->prom_name); | 223 | dev->num_irqs = 1; /* dev->num_irqs = len / sizeof(irqs[0]); */ |
| 224 | if (irqs[0] == 0 || irqs[0] >= 8) { | ||
| 225 | /* See above for the parent. XXX */ | ||
| 226 | printk("EBUS: %s got bad irq %d from PROM\n", | ||
| 227 | dev->prom_node->name, irqs[0]); | ||
| 228 | dev->num_irqs = 0; | ||
| 229 | dev->irqs[0] = 0; | ||
| 230 | } else { | ||
| 231 | dev->irqs[0] = | ||
| 232 | pcic_pin_to_irq(irqs[0], | ||
| 233 | dev->prom_node->name); | ||
| 234 | } | ||
| 228 | } | 235 | } |
| 229 | } | 236 | } |
| 230 | 237 | ||
| 231 | if ((node = prom_getchild(node))) { | 238 | if ((dp = dp->child) != NULL) { |
| 232 | dev->children = (struct linux_ebus_child *) | 239 | dev->children = (struct linux_ebus_child *) |
| 233 | ebus_alloc(sizeof(struct linux_ebus_child)); | 240 | ebus_alloc(sizeof(struct linux_ebus_child)); |
| 234 | 241 | ||
| @@ -236,9 +243,9 @@ void __init fill_ebus_device(int node, struct linux_ebus_device *dev) | |||
| 236 | child->next = NULL; | 243 | child->next = NULL; |
| 237 | child->parent = dev; | 244 | child->parent = dev; |
| 238 | child->bus = dev->bus; | 245 | child->bus = dev->bus; |
| 239 | fill_ebus_child(node, ®s[0], child); | 246 | fill_ebus_child(dp, child); |
| 240 | 247 | ||
| 241 | while ((node = prom_getsibling(node)) != 0) { | 248 | while ((dp = dp->sibling) != NULL) { |
| 242 | child->next = (struct linux_ebus_child *) | 249 | child->next = (struct linux_ebus_child *) |
| 243 | ebus_alloc(sizeof(struct linux_ebus_child)); | 250 | ebus_alloc(sizeof(struct linux_ebus_child)); |
| 244 | 251 | ||
| @@ -246,51 +253,49 @@ void __init fill_ebus_device(int node, struct linux_ebus_device *dev) | |||
| 246 | child->next = NULL; | 253 | child->next = NULL; |
| 247 | child->parent = dev; | 254 | child->parent = dev; |
| 248 | child->bus = dev->bus; | 255 | child->bus = dev->bus; |
| 249 | fill_ebus_child(node, ®s[0], child); | 256 | fill_ebus_child(dp, child); |
| 250 | } | 257 | } |
| 251 | } | 258 | } |
| 252 | } | 259 | } |
| 253 | 260 | ||
| 254 | void __init ebus_init(void) | 261 | void __init ebus_init(void) |
| 255 | { | 262 | { |
| 256 | struct linux_prom_pci_registers regs[PROMREG_MAX]; | 263 | struct linux_prom_pci_registers *regs; |
| 257 | struct linux_pbm_info *pbm; | 264 | struct linux_pbm_info *pbm; |
| 258 | struct linux_ebus_device *dev; | 265 | struct linux_ebus_device *dev; |
| 259 | struct linux_ebus *ebus; | 266 | struct linux_ebus *ebus; |
| 260 | struct ebus_system_entry *sp; | 267 | struct ebus_system_entry *sp; |
| 261 | struct pci_dev *pdev; | 268 | struct pci_dev *pdev; |
| 262 | struct pcidev_cookie *cookie; | 269 | struct pcidev_cookie *cookie; |
| 263 | char lbuf[128]; | 270 | struct device_node *dp; |
| 264 | unsigned long addr, *base; | 271 | unsigned long addr, *base; |
| 265 | unsigned short pci_command; | 272 | unsigned short pci_command; |
| 266 | int nd, len, ebusnd; | 273 | int len, reg, nreg; |
| 267 | int reg, nreg; | ||
| 268 | int num_ebus = 0; | 274 | int num_ebus = 0; |
| 269 | 275 | ||
| 270 | prom_getstring(prom_root_node, "name", lbuf, sizeof(lbuf)); | 276 | dp = of_find_node_by_path("/"); |
| 271 | for (sp = ebus_blacklist; sp->esname != NULL; sp++) { | 277 | for (sp = ebus_blacklist; sp->esname != NULL; sp++) { |
| 272 | if (strcmp(lbuf, sp->esname) == 0) { | 278 | if (strcmp(dp->name, sp->esname) == 0) { |
| 273 | ebus_blackp = sp->ipt; | 279 | ebus_blackp = sp->ipt; |
| 274 | break; | 280 | break; |
| 275 | } | 281 | } |
| 276 | } | 282 | } |
| 277 | 283 | ||
| 278 | pdev = pci_get_device(PCI_VENDOR_ID_SUN, PCI_DEVICE_ID_SUN_EBUS, NULL); | 284 | pdev = pci_get_device(PCI_VENDOR_ID_SUN, PCI_DEVICE_ID_SUN_EBUS, NULL); |
| 279 | if (!pdev) { | 285 | if (!pdev) |
| 280 | return; | 286 | return; |
| 281 | } | 287 | |
| 282 | cookie = pdev->sysdata; | 288 | cookie = pdev->sysdata; |
| 283 | ebusnd = cookie->prom_node; | 289 | dp = cookie->prom_node; |
| 284 | 290 | ||
| 285 | ebus_chain = ebus = (struct linux_ebus *) | 291 | ebus_chain = ebus = (struct linux_ebus *) |
| 286 | ebus_alloc(sizeof(struct linux_ebus)); | 292 | ebus_alloc(sizeof(struct linux_ebus)); |
| 287 | ebus->next = NULL; | 293 | ebus->next = NULL; |
| 288 | 294 | ||
| 289 | while (ebusnd) { | 295 | while (dp) { |
| 296 | struct device_node *nd; | ||
| 290 | 297 | ||
| 291 | prom_getstring(ebusnd, "name", lbuf, sizeof(lbuf)); | 298 | ebus->prom_node = dp; |
| 292 | ebus->prom_node = ebusnd; | ||
| 293 | strcpy(ebus->prom_name, lbuf); | ||
| 294 | ebus->self = pdev; | 299 | ebus->self = pdev; |
| 295 | ebus->parent = pbm = cookie->pbm; | 300 | ebus->parent = pbm = cookie->pbm; |
| 296 | 301 | ||
| @@ -299,9 +304,8 @@ void __init ebus_init(void) | |||
| 299 | pci_command |= PCI_COMMAND_MASTER; | 304 | pci_command |= PCI_COMMAND_MASTER; |
| 300 | pci_write_config_word(pdev, PCI_COMMAND, pci_command); | 305 | pci_write_config_word(pdev, PCI_COMMAND, pci_command); |
| 301 | 306 | ||
| 302 | len = prom_getproperty(ebusnd, "reg", (void *)regs, | 307 | regs = of_get_property(dp, "reg", &len); |
| 303 | sizeof(regs)); | 308 | if (!regs) { |
| 304 | if (len == 0 || len == -1) { | ||
| 305 | prom_printf("%s: can't find reg property\n", | 309 | prom_printf("%s: can't find reg property\n", |
| 306 | __FUNCTION__); | 310 | __FUNCTION__); |
| 307 | prom_halt(); | 311 | prom_halt(); |
| @@ -317,7 +321,7 @@ void __init ebus_init(void) | |||
| 317 | *base++ = addr; | 321 | *base++ = addr; |
| 318 | } | 322 | } |
| 319 | 323 | ||
| 320 | nd = prom_getchild(ebusnd); | 324 | nd = dp->child; |
| 321 | if (!nd) | 325 | if (!nd) |
| 322 | goto next_ebus; | 326 | goto next_ebus; |
| 323 | 327 | ||
| @@ -330,7 +334,7 @@ void __init ebus_init(void) | |||
| 330 | dev->bus = ebus; | 334 | dev->bus = ebus; |
| 331 | fill_ebus_device(nd, dev); | 335 | fill_ebus_device(nd, dev); |
| 332 | 336 | ||
| 333 | while ((nd = prom_getsibling(nd)) != 0) { | 337 | while ((nd = nd->sibling) != NULL) { |
| 334 | dev->next = (struct linux_ebus_device *) | 338 | dev->next = (struct linux_ebus_device *) |
| 335 | ebus_alloc(sizeof(struct linux_ebus_device)); | 339 | ebus_alloc(sizeof(struct linux_ebus_device)); |
| 336 | 340 | ||
| @@ -348,7 +352,7 @@ void __init ebus_init(void) | |||
| 348 | break; | 352 | break; |
| 349 | 353 | ||
| 350 | cookie = pdev->sysdata; | 354 | cookie = pdev->sysdata; |
| 351 | ebusnd = cookie->prom_node; | 355 | dp = cookie->prom_node; |
| 352 | 356 | ||
| 353 | ebus->next = (struct linux_ebus *) | 357 | ebus->next = (struct linux_ebus *) |
| 354 | ebus_alloc(sizeof(struct linux_ebus)); | 358 | ebus_alloc(sizeof(struct linux_ebus)); |
