diff options
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/sparc64/kernel/pci.c | 53 | ||||
| -rw-r--r-- | arch/sparc64/kernel/pci_common.c | 15 | ||||
| -rw-r--r-- | arch/sparc64/kernel/pci_psycho.c | 108 | ||||
| -rw-r--r-- | arch/sparc64/kernel/pci_sabre.c | 192 | ||||
| -rw-r--r-- | arch/sparc64/kernel/pci_schizo.c | 173 | ||||
| -rw-r--r-- | arch/sparc64/kernel/pci_sun4v.c | 144 |
6 files changed, 306 insertions, 379 deletions
diff --git a/arch/sparc64/kernel/pci.c b/arch/sparc64/kernel/pci.c index 9472580a4319..a868c3792efb 100644 --- a/arch/sparc64/kernel/pci.c +++ b/arch/sparc64/kernel/pci.c @@ -22,6 +22,7 @@ #include <asm/irq.h> #include <asm/ebus.h> #include <asm/isa.h> +#include <asm/prom.h> unsigned long pci_memspace_mask = 0xffffffffUL; @@ -177,16 +178,16 @@ void pci_config_write32(u32 *addr, u32 val) } /* Probe for all PCI controllers in the system. */ -extern void sabre_init(int, char *); -extern void psycho_init(int, char *); -extern void schizo_init(int, char *); -extern void schizo_plus_init(int, char *); -extern void tomatillo_init(int, char *); -extern void sun4v_pci_init(int, char *); +extern void sabre_init(struct device_node *, const char *); +extern void psycho_init(struct device_node *, const char *); +extern void schizo_init(struct device_node *, const char *); +extern void schizo_plus_init(struct device_node *, const char *); +extern void tomatillo_init(struct device_node *, const char *); +extern void sun4v_pci_init(struct device_node *, const char *); static struct { char *model_name; - void (*init)(int, char *); + void (*init)(struct device_node *, const char *); } pci_controller_table[] __initdata = { { "SUNW,sabre", sabre_init }, { "pci108e,a000", sabre_init }, @@ -204,7 +205,7 @@ static struct { #define PCI_NUM_CONTROLLER_TYPES (sizeof(pci_controller_table) / \ sizeof(pci_controller_table[0])) -static int __init pci_controller_init(char *model_name, int namelen, int node) +static int __init pci_controller_init(const char *model_name, int namelen, struct device_node *dp) { int i; @@ -212,18 +213,15 @@ static int __init pci_controller_init(char *model_name, int namelen, int node) if (!strncmp(model_name, pci_controller_table[i].model_name, namelen)) { - pci_controller_table[i].init(node, model_name); + pci_controller_table[i].init(dp, model_name); return 1; } } - printk("PCI: Warning unknown controller, model name [%s]\n", - model_name); - printk("PCI: Ignoring controller...\n"); return 0; } -static int __init pci_is_controller(char *model_name, int namelen, int node) +static int __init pci_is_controller(const char *model_name, int namelen, struct device_node *dp) { int i; @@ -237,36 +235,35 @@ static int __init pci_is_controller(char *model_name, int namelen, int node) return 0; } -static int __init pci_controller_scan(int (*handler)(char *, int, int)) +static int __init pci_controller_scan(int (*handler)(const char *, int, struct device_node *)) { - char namebuf[64]; - int node; + struct device_node *dp; int count = 0; - node = prom_getchild(prom_root_node); - while ((node = prom_searchsiblings(node, "pci")) != 0) { + for_each_node_by_name(dp, "pci") { + struct property *prop; int len; - if ((len = prom_getproperty(node, "model", namebuf, sizeof(namebuf))) > 0 || - (len = prom_getproperty(node, "compatible", namebuf, sizeof(namebuf))) > 0) { + prop = of_find_property(dp, "model", &len); + if (!prop) + prop = of_find_property(dp, "compatible", &len); + + if (prop) { + const char *model = prop->value; int item_len = 0; /* Our value may be a multi-valued string in the * case of some compatible properties. For sanity, - * only try the first one. */ - - while (namebuf[item_len] && len) { + * only try the first one. + */ + while (model[item_len] && len) { len--; item_len++; } - if (handler(namebuf, item_len, node)) + if (handler(model, item_len, dp)) count++; } - - node = prom_getsibling(node); - if (!node) - break; } return count; diff --git a/arch/sparc64/kernel/pci_common.c b/arch/sparc64/kernel/pci_common.c index 33dedb1aacd4..fc71b28795a0 100644 --- a/arch/sparc64/kernel/pci_common.c +++ b/arch/sparc64/kernel/pci_common.c @@ -664,7 +664,7 @@ static unsigned int __init pci_intmap_match_to_root(struct pci_pbm_info *pbm, } pdev = pbus; - if (cnode == pbm->prom_node) + if (cnode == pbm->prom_node->node) break; } @@ -680,7 +680,7 @@ static int __init pci_intmap_match(struct pci_dev *pdev, unsigned int *interrupt int i, cnode, plen; cnode = pci_intmap_match_to_root(pbm, pdev, interrupt); - if (cnode == pbm->prom_node) + if (cnode == pbm->prom_node->node) goto success; plen = prom_getproperty(cnode, "reg", (char *) reg, sizeof(reg)); @@ -691,10 +691,10 @@ static int __init pci_intmap_match(struct pci_dev *pdev, unsigned int *interrupt goto fail; } - hi = reg[0].phys_hi & pbm->pbm_intmask.phys_hi; - mid = reg[0].phys_mid & pbm->pbm_intmask.phys_mid; - lo = reg[0].phys_lo & pbm->pbm_intmask.phys_lo; - irq = *interrupt & pbm->pbm_intmask.interrupt; + hi = reg[0].phys_hi & pbm->pbm_intmask->phys_hi; + mid = reg[0].phys_mid & pbm->pbm_intmask->phys_mid; + lo = reg[0].phys_lo & pbm->pbm_intmask->phys_lo; + irq = *interrupt & pbm->pbm_intmask->interrupt; for (i = 0; i < pbm->num_pbm_intmap; i++) { struct linux_prom_pci_intmap *intmap; @@ -714,7 +714,8 @@ fail: return 0; success: - printk("PCI-IRQ: Routing bus[%2x] slot[%2x] to INO[%02x]\n", + printk("%s: Routing bus[%2x] slot[%2x] to INO[%02x]\n", + pbm->name, pdev->bus->number, PCI_SLOT(pdev->devfn), *interrupt); return 1; diff --git a/arch/sparc64/kernel/pci_psycho.c b/arch/sparc64/kernel/pci_psycho.c index 24db22aa9728..40c2b6819983 100644 --- a/arch/sparc64/kernel/pci_psycho.c +++ b/arch/sparc64/kernel/pci_psycho.c @@ -17,6 +17,7 @@ #include <asm/iommu.h> #include <asm/irq.h> #include <asm/starfire.h> +#include <asm/prom.h> #include "pci_impl.h" #include "iommu_common.h" @@ -1103,7 +1104,7 @@ static void pbm_scan_bus(struct pci_controller_info *p, pci_fixup_host_bridge_self(pbm->pci_bus); pbm->pci_bus->self->sysdata = cookie; - pci_fill_in_pbm_cookies(pbm->pci_bus, pbm, pbm->prom_node); + pci_fill_in_pbm_cookies(pbm->pci_bus, pbm, pbm->prom_node->node); pci_record_assignments(pbm, pbm->pci_bus); pci_assign_unassigned(pbm, pbm->pci_bus); pci_fixup_irq(pbm, pbm->pci_bus); @@ -1291,11 +1292,12 @@ static void psycho_pbm_strbuf_init(struct pci_controller_info *p, #define PSYCHO_MEMSPACE_SIZE 0x07fffffffUL static void psycho_pbm_init(struct pci_controller_info *p, - int prom_node, int is_pbm_a) + struct device_node *dp, int is_pbm_a) { - unsigned int busrange[2]; + unsigned int *busrange; + struct property *prop; struct pci_pbm_info *pbm; - int err; + int len; if (is_pbm_a) { pbm = &p->pbm_A; @@ -1310,10 +1312,14 @@ static void psycho_pbm_init(struct pci_controller_info *p, } pbm->chip_type = PBM_CHIP_TYPE_PSYCHO; - pbm->chip_version = - prom_getintdefault(prom_node, "version#", 0); - pbm->chip_revision = - prom_getintdefault(prom_node, "module-revision#", 0); + pbm->chip_version = 0; + prop = of_find_property(dp, "version#", NULL); + if (prop) + pbm->chip_version = *(int *) prop->value; + pbm->chip_revision = 0; + prop = of_find_property(dp, "module-revision#", NULL); + if (prop) + pbm->chip_revision = *(int *) prop->value; pbm->io_space.end = pbm->io_space.start + PSYCHO_IOSPACE_SIZE; pbm->io_space.flags = IORESOURCE_IO; @@ -1322,45 +1328,36 @@ static void psycho_pbm_init(struct pci_controller_info *p, pbm_register_toplevel_resources(p, pbm); pbm->parent = p; - pbm->prom_node = prom_node; - prom_getstring(prom_node, "name", - pbm->prom_name, - sizeof(pbm->prom_name)); - - err = prom_getproperty(prom_node, "ranges", - (char *)pbm->pbm_ranges, - sizeof(pbm->pbm_ranges)); - if (err != -1) + pbm->prom_node = dp; + pbm->name = dp->full_name; + + printk("%s: PSYCHO PCI Bus Module ver[%x:%x]\n", + pbm->name, + pbm->chip_version, pbm->chip_revision); + + prop = of_find_property(dp, "ranges", &len); + if (prop) { + pbm->pbm_ranges = prop->value; pbm->num_pbm_ranges = - (err / sizeof(struct linux_prom_pci_ranges)); - else + (len / sizeof(struct linux_prom_pci_ranges)); + } else { pbm->num_pbm_ranges = 0; + } - err = prom_getproperty(prom_node, "interrupt-map", - (char *)pbm->pbm_intmap, - sizeof(pbm->pbm_intmap)); - if (err != -1) { - pbm->num_pbm_intmap = (err / sizeof(struct linux_prom_pci_intmap)); - err = prom_getproperty(prom_node, "interrupt-map-mask", - (char *)&pbm->pbm_intmask, - sizeof(pbm->pbm_intmask)); - if (err == -1) { - prom_printf("PSYCHO-PBM: Fatal error, no " - "interrupt-map-mask.\n"); - prom_halt(); - } + prop = of_find_property(dp, "interrupt-map", &len); + if (prop) { + pbm->pbm_intmap = prop->value; + pbm->num_pbm_intmap = + (len / sizeof(struct linux_prom_pci_intmap)); + + prop = of_find_property(dp, "interrupt-map-mask", NULL); + pbm->pbm_intmask = prop->value; } else { pbm->num_pbm_intmap = 0; - memset(&pbm->pbm_intmask, 0, sizeof(pbm->pbm_intmask)); } - err = prom_getproperty(prom_node, "bus-range", - (char *)&busrange[0], - sizeof(busrange)); - if (err == 0 || err == -1) { - prom_printf("PSYCHO-PBM: Fatal error, no bus-range.\n"); - prom_halt(); - } + prop = of_find_property(dp, "bus-range", NULL); + busrange = prop->value; pbm->pci_first_busno = busrange[0]; pbm->pci_last_busno = busrange[1]; @@ -1369,20 +1366,24 @@ static void psycho_pbm_init(struct pci_controller_info *p, #define PSYCHO_CONFIGSPACE 0x001000000UL -void psycho_init(int node, char *model_name) +void psycho_init(struct device_node *dp, char *model_name) { - struct linux_prom64_registers pr_regs[3]; + struct linux_prom64_registers *pr_regs; struct pci_controller_info *p; struct pci_iommu *iommu; + struct property *prop; u32 upa_portid; - int is_pbm_a, err; + int is_pbm_a; - upa_portid = prom_getintdefault(node, "upa-portid", 0xff); + upa_portid = 0xff; + prop = of_find_property(dp, "upa-portid", NULL); + if (prop) + upa_portid = *(u32 *) prop->value; for(p = pci_controller_root; p; p = p->next) { if (p->pbm_A.portid == upa_portid) { - is_pbm_a = (p->pbm_A.prom_node == 0); - psycho_pbm_init(p, node, is_pbm_a); + is_pbm_a = (p->pbm_A.prom_node == NULL); + psycho_pbm_init(p, dp, is_pbm_a); return; } } @@ -1412,23 +1413,14 @@ void psycho_init(int node, char *model_name) p->resource_adjust = psycho_resource_adjust; p->pci_ops = &psycho_ops; - err = prom_getproperty(node, "reg", - (char *)&pr_regs[0], - sizeof(pr_regs)); - if (err == 0 || err == -1) { - prom_printf("PSYCHO: Fatal error, no reg property.\n"); - prom_halt(); - } + prop = of_find_property(dp, "reg", NULL); + pr_regs = prop->value; p->pbm_A.controller_regs = pr_regs[2].phys_addr; p->pbm_B.controller_regs = pr_regs[2].phys_addr; - printk("PCI: Found PSYCHO, control regs at %016lx\n", - p->pbm_A.controller_regs); p->pbm_A.config_space = p->pbm_B.config_space = (pr_regs[2].phys_addr + PSYCHO_CONFIGSPACE); - printk("PSYCHO: Shared PCI config space at %016lx\n", - p->pbm_A.config_space); /* * Psycho's PCI MEM space is mapped to a 2GB aligned area, so @@ -1441,5 +1433,5 @@ void psycho_init(int node, char *model_name) psycho_iommu_init(p); is_pbm_a = ((pr_regs[0].phys_addr & 0x6000) == 0x2000); - psycho_pbm_init(p, node, is_pbm_a); + psycho_pbm_init(p, dp, is_pbm_a); } diff --git a/arch/sparc64/kernel/pci_sabre.c b/arch/sparc64/kernel/pci_sabre.c index b7d997b55f0a..91d1aa44efc1 100644 --- a/arch/sparc64/kernel/pci_sabre.c +++ b/arch/sparc64/kernel/pci_sabre.c @@ -19,6 +19,7 @@ #include <asm/irq.h> #include <asm/smp.h> #include <asm/oplib.h> +#include <asm/prom.h> #include "pci_impl.h" #include "iommu_common.h" @@ -1160,7 +1161,7 @@ static void sabre_scan_bus(struct pci_controller_info *p) pbus->sysdata = pbm; pbm->pci_bus = pbus; - pci_fill_in_pbm_cookies(pbus, pbm, pbm->prom_node); + pci_fill_in_pbm_cookies(pbus, pbm, pbm->prom_node->node); pci_record_assignments(pbm, pbus); pci_assign_unassigned(pbm, pbus); pci_fixup_irq(pbm, pbus); @@ -1173,7 +1174,7 @@ static void sabre_scan_bus(struct pci_controller_info *p) pbm = &p->pbm_A; sabre_bus->sysdata = pbm; pbm->pci_bus = sabre_bus; - pci_fill_in_pbm_cookies(sabre_bus, pbm, pbm->prom_node); + pci_fill_in_pbm_cookies(sabre_bus, pbm, pbm->prom_node->node); pci_record_assignments(pbm, sabre_bus); pci_assign_unassigned(pbm, sabre_bus); pci_fixup_irq(pbm, sabre_bus); @@ -1306,34 +1307,36 @@ static void pbm_register_toplevel_resources(struct pci_controller_info *p, &pbm->mem_space); } -static void sabre_pbm_init(struct pci_controller_info *p, int sabre_node, u32 dma_begin) +static void sabre_pbm_init(struct pci_controller_info *p, struct device_node *dp, u32 dma_begin) { struct pci_pbm_info *pbm; - char namebuf[128]; - u32 busrange[2]; - int node, simbas_found; + struct device_node *node; + struct property *prop; + u32 *busrange; + int len, simbas_found; simbas_found = 0; - node = prom_getchild(sabre_node); - while ((node = prom_searchsiblings(node, "pci")) != 0) { - int err; - - err = prom_getproperty(node, "model", namebuf, sizeof(namebuf)); - if ((err <= 0) || strncmp(namebuf, "SUNW,simba", err)) + node = dp->child; + while (node != NULL) { + if (strcmp(node->name, "pci")) goto next_pci; - err = prom_getproperty(node, "bus-range", - (char *)&busrange[0], sizeof(busrange)); - if (err == 0 || err == -1) { - prom_printf("APB: Error, cannot get PCI bus-range.\n"); - prom_halt(); - } + prop = of_find_property(node, "model", NULL); + if (!prop || strncmp(prop->value, "SUNW,simba", prop->length)) + goto next_pci; simbas_found++; + + prop = of_find_property(node, "bus-range", NULL); + busrange = prop->value; if (busrange[0] == 1) pbm = &p->pbm_B; else pbm = &p->pbm_A; + + pbm->name = node->full_name; + printk("%s: SABRE PCI Bus Module\n", pbm->name); + pbm->chip_type = PBM_CHIP_TYPE_SABRE; pbm->parent = p; pbm->prom_node = node; @@ -1341,83 +1344,68 @@ static void sabre_pbm_init(struct pci_controller_info *p, int sabre_node, u32 dm pbm->pci_first_busno = busrange[0]; pbm->pci_last_busno = busrange[1]; - prom_getstring(node, "name", pbm->prom_name, sizeof(pbm->prom_name)); - err = prom_getproperty(node, "ranges", - (char *)pbm->pbm_ranges, - sizeof(pbm->pbm_ranges)); - if (err != -1) + prop = of_find_property(node, "ranges", &len); + if (prop) { + pbm->pbm_ranges = prop->value; pbm->num_pbm_ranges = - (err / sizeof(struct linux_prom_pci_ranges)); - else + (len / sizeof(struct linux_prom_pci_ranges)); + } else { pbm->num_pbm_ranges = 0; + } - err = prom_getproperty(node, "interrupt-map", - (char *)pbm->pbm_intmap, - sizeof(pbm->pbm_intmap)); - if (err != -1) { - pbm->num_pbm_intmap = (err / sizeof(struct linux_prom_pci_intmap)); - err = prom_getproperty(node, "interrupt-map-mask", - (char *)&pbm->pbm_intmask, - sizeof(pbm->pbm_intmask)); - if (err == -1) { - prom_printf("APB: Fatal error, no interrupt-map-mask.\n"); - prom_halt(); - } + prop = of_find_property(node, "interrupt-map", &len); + if (prop) { + pbm->pbm_intmap = prop->value; + pbm->num_pbm_intmap = + (len / sizeof(struct linux_prom_pci_intmap)); + + prop = of_find_property(node, "interrupt-map-mask", + NULL); + pbm->pbm_intmask = prop->value; } else { pbm->num_pbm_intmap = 0; - memset(&pbm->pbm_intmask, 0, sizeof(pbm->pbm_intmask)); } pbm_register_toplevel_resources(p, pbm); next_pci: - node = prom_getsibling(node); - if (!node) - break; + node = node->sibling; } if (simbas_found == 0) { - int err; - /* No APBs underneath, probably this is a hummingbird * system. */ pbm = &p->pbm_A; pbm->parent = p; - pbm->prom_node = sabre_node; + pbm->prom_node = dp; pbm->pci_first_busno = p->pci_first_busno; pbm->pci_last_busno = p->pci_last_busno; - prom_getstring(sabre_node, "name", pbm->prom_name, sizeof(pbm->prom_name)); - err = prom_getproperty(sabre_node, "ranges", - (char *) pbm->pbm_ranges, - sizeof(pbm->pbm_ranges)); - if (err != -1) + prop = of_find_property(dp, "ranges", &len); + if (prop) { + pbm->pbm_ranges = prop->value; pbm->num_pbm_ranges = - (err / sizeof(struct linux_prom_pci_ranges)); - else + (len / sizeof(struct linux_prom_pci_ranges)); + } else { pbm->num_pbm_ranges = 0; + } - err = prom_getproperty(sabre_node, "interrupt-map", - (char *) pbm->pbm_intmap, - sizeof(pbm->pbm_intmap)); - - if (err != -1) { - pbm->num_pbm_intmap = (err / sizeof(struct linux_prom_pci_intmap)); - err = prom_getproperty(sabre_node, "interrupt-map-mask", - (char *)&pbm->pbm_intmask, - sizeof(pbm->pbm_intmask)); - if (err == -1) { - prom_printf("Hummingbird: Fatal error, no interrupt-map-mask.\n"); - prom_halt(); - } + prop = of_find_property(dp, "interrupt-map", &len); + if (prop) { + pbm->pbm_intmap = prop->value; + pbm->num_pbm_intmap = + (len / sizeof(struct linux_prom_pci_intmap)); + + prop = of_find_property(dp, "interrupt-map-mask", + NULL); + pbm->pbm_intmask = prop->value; } else { pbm->num_pbm_intmap = 0; - memset(&pbm->pbm_intmask, 0, sizeof(pbm->pbm_intmask)); } + pbm->name = dp->full_name; + printk("%s: SABRE PCI Bus Module\n", pbm->name); - sprintf(pbm->name, "SABRE%d PBM%c", p->index, - (pbm == &p->pbm_A ? 'A' : 'B')); pbm->io_space.name = pbm->mem_space.name = pbm->name; /* Hack up top-level resources. */ @@ -1443,14 +1431,15 @@ static void sabre_pbm_init(struct pci_controller_info *p, int sabre_node, u32 dm } } -void sabre_init(int pnode, char *model_name) +void sabre_init(struct device_node *dp, char *model_name) { - struct linux_prom64_registers pr_regs[2]; + struct linux_prom64_registers *pr_regs; struct pci_controller_info *p; struct pci_iommu *iommu; - int tsbsize, err; - u32 busrange[2]; - u32 vdma[2]; + struct property *prop; + int tsbsize; + u32 *busrange; + u32 *vdma; u32 upa_portid, dma_mask; u64 clear_irq; @@ -1458,13 +1447,15 @@ void sabre_init(int pnode, char *model_name) if (!strcmp(model_name, "pci108e,a001")) hummingbird_p = 1; else if (!strcmp(model_name, "SUNW,sabre")) { - char compat[64]; + prop = of_find_property(dp, "compatible", NULL); + if (prop) { + const char *compat = prop->value; - if (prom_getproperty(pnode, "compatible", - compat, sizeof(compat)) > 0 && - !strcmp(compat, "pci108e,a001")) { - hummingbird_p = 1; - } else { + if (!strcmp(compat, "pci108e,a001")) + hummingbird_p = 1; + } + if (!hummingbird_p) { + char compat[64]; int cpu_node; /* Of course, Sun has to encode things a thousand @@ -1491,7 +1482,10 @@ void sabre_init(int pnode, char *model_name) } p->pbm_A.iommu = p->pbm_B.iommu = iommu; - upa_portid = prom_getintdefault(pnode, "upa-portid", 0xff); + upa_portid = 0xff; + prop = of_find_property(dp, "upa-portid", NULL); + if (prop) + upa_portid = *(u32 *) prop->value; p->next = pci_controller_root; pci_controller_root = p; @@ -1509,13 +1503,9 @@ void sabre_init(int pnode, char *model_name) /* * Map in SABRE register set and report the presence of this SABRE. */ - err = prom_getproperty(pnode, "reg", - (char *)&pr_regs[0], sizeof(pr_regs)); - if(err == 0 || err == -1) { - prom_printf("SABRE: Error, cannot get U2P registers " - "from PROM.\n"); - prom_halt(); - } + + prop = of_find_property(dp, "reg", NULL); + pr_regs = prop->value; /* * First REG in property is base of entire SABRE register space. @@ -1523,9 +1513,6 @@ void sabre_init(int pnode, char *model_name) p->pbm_A.controller_regs = pr_regs[0].phys_addr; p->pbm_B.controller_regs = pr_regs[0].phys_addr; - printk("PCI: Found SABRE, main regs at %016lx\n", - p->pbm_A.controller_regs); - /* Clear interrupts */ /* PCI first */ @@ -1544,16 +1531,9 @@ void sabre_init(int pnode, char *model_name) /* Now map in PCI config space for entire SABRE. */ p->pbm_A.config_space = p->pbm_B.config_space = (p->pbm_A.controller_regs + SABRE_CONFIGSPACE); - printk("SABRE: Shared PCI config space at %016lx\n", - p->pbm_A.config_space); - - err = prom_getproperty(pnode, "virtual-dma", - (char *)&vdma[0], sizeof(vdma)); - if(err == 0 || err == -1) { - prom_printf("SABRE: Error, cannot get virtual-dma property " - "from PROM.\n"); - prom_halt(); - } + + prop = of_find_property(dp, "virtual-dma", NULL); + vdma = prop->value; dma_mask = vdma[0]; switch(vdma[1]) { @@ -1577,21 +1557,13 @@ void sabre_init(int pnode, char *model_name) sabre_iommu_init(p, tsbsize, vdma[0], dma_mask); - printk("SABRE: DVMA at %08x [%08x]\n", vdma[0], vdma[1]); - - err = prom_getproperty(pnode, "bus-range", - (char *)&busrange[0], sizeof(busrange)); - if(err == 0 || err == -1) { - prom_printf("SABRE: Error, cannot get PCI bus-range " - " from PROM.\n"); - prom_halt(); - } - + prop = of_find_property(dp, "bus-range", NULL); + busrange = prop->value; p->pci_first_busno = busrange[0]; p->pci_last_busno = busrange[1]; /* * Look for APB underneath. */ - sabre_pbm_init(p, pnode, vdma[0]); + sabre_pbm_init(p, dp, vdma[0]); } diff --git a/arch/sparc64/kernel/pci_schizo.c b/arch/sparc64/kernel/pci_schizo.c index cc662e915d32..d26820086843 100644 --- a/arch/sparc64/kernel/pci_schizo.c +++ b/arch/sparc64/kernel/pci_schizo.c @@ -16,6 +16,7 @@ #include <asm/irq.h> #include <asm/upa.h> #include <asm/pstate.h> +#include <asm/prom.h> #include "pci_impl.h" #include "iommu_common.h" @@ -1437,7 +1438,7 @@ static void pbm_scan_bus(struct pci_controller_info *p, pci_fixup_host_bridge_self(pbm->pci_bus); pbm->pci_bus->self->sysdata = cookie; - pci_fill_in_pbm_cookies(pbm->pci_bus, pbm, pbm->prom_node); + pci_fill_in_pbm_cookies(pbm->pci_bus, pbm, pbm->prom_node->node); pci_record_assignments(pbm, pbm->pci_bus); pci_assign_unassigned(pbm, pbm->pci_bus); pci_fixup_irq(pbm, pbm->pci_bus); @@ -1456,10 +1457,12 @@ static void __schizo_scan_bus(struct pci_controller_info *p, pbm_config_busmastering(&p->pbm_B); p->pbm_B.is_66mhz_capable = - prom_getbool(p->pbm_B.prom_node, "66mhz-capable"); + (of_find_property(p->pbm_B.prom_node, "66mhz-capable", NULL) + != NULL); pbm_config_busmastering(&p->pbm_A); p->pbm_A.is_66mhz_capable = - prom_getbool(p->pbm_A.prom_node, "66mhz-capable"); + (of_find_property(p->pbm_A.prom_node, "66mhz-capable", NULL) + != NULL); pbm_scan_bus(p, &p->pbm_B); pbm_scan_bus(p, &p->pbm_A); @@ -1661,13 +1664,18 @@ static void schizo_pbm_iommu_init(struct pci_pbm_info *pbm) { struct pci_iommu *iommu = pbm->iommu; unsigned long i, tagbase, database; + struct property *prop; u32 vdma[2], dma_mask; u64 control; - int err, tsbsize; + int tsbsize; - err = prom_getproperty(pbm->prom_node, "virtual-dma", - (char *)&vdma[0], sizeof(vdma)); - if (err == 0 || err == -1) { + prop = of_find_property(pbm->prom_node, "virtual-dma", NULL); + if (prop) { + u32 *val = prop->value; + + vdma[0] = val[0]; + vdma[1] = val[1]; + } else { /* No property, use default values. */ vdma[0] = 0xc0000000; vdma[1] = 0x40000000; @@ -1778,6 +1786,7 @@ static void schizo_pbm_iommu_init(struct pci_pbm_info *pbm) static void schizo_pbm_hw_init(struct pci_pbm_info *pbm) { + struct property *prop; u64 tmp; schizo_write(pbm->pbm_regs + SCHIZO_PCI_IRQ_RETRY, 5); @@ -1791,7 +1800,8 @@ static void schizo_pbm_hw_init(struct pci_pbm_info *pbm) pbm->chip_version >= 0x2) tmp |= 0x3UL << SCHIZO_PCICTRL_PTO_SHIFT; - if (!prom_getbool(pbm->prom_node, "no-bus-parking")) + prop = of_find_property(pbm->prom_node, "no-bus-parking", NULL); + if (!prop) tmp |= SCHIZO_PCICTRL_PARK; else tmp &= ~SCHIZO_PCICTRL_PARK; @@ -1831,16 +1841,17 @@ static void schizo_pbm_hw_init(struct pci_pbm_info *pbm) } static void schizo_pbm_init(struct pci_controller_info *p, - int prom_node, u32 portid, + struct device_node *dp, u32 portid, int chip_type) { - struct linux_prom64_registers pr_regs[4]; - unsigned int busrange[2]; + struct linux_prom64_registers *regs; + struct property *prop; + unsigned int *busrange; struct pci_pbm_info *pbm; const char *chipset_name; - u32 ino_bitmap[2]; + u32 *ino_bitmap; int is_pbm_a; - int err; + int len; switch (chip_type) { case PBM_CHIP_TYPE_TOMATILLO: @@ -1868,16 +1879,10 @@ static void schizo_pbm_init(struct pci_controller_info *p, * 3) PBM PCI config space * 4) Ichip regs */ - err = prom_getproperty(prom_node, "reg", - (char *)&pr_regs[0], - sizeof(pr_regs)); - if (err == 0 || err == -1) { - prom_printf("%s: Fatal error, no reg property.\n", - chipset_name); - prom_halt(); - } + prop = of_find_property(dp, "reg", NULL); + regs = prop->value; - is_pbm_a = ((pr_regs[0].phys_addr & 0x00700000) == 0x00600000); + is_pbm_a = ((regs[0].phys_addr & 0x00700000) == 0x00600000); if (is_pbm_a) pbm = &p->pbm_A; @@ -1886,92 +1891,62 @@ static void schizo_pbm_init(struct pci_controller_info *p, pbm->portid = portid; pbm->parent = p; - pbm->prom_node = prom_node; + pbm->prom_node = dp; pbm->pci_first_slot = 1; pbm->chip_type = chip_type; - pbm->chip_version = - prom_getintdefault(prom_node, "version#", 0); - pbm->chip_revision = - prom_getintdefault(prom_node, "module-revision#", 0); - - pbm->pbm_regs = pr_regs[0].phys_addr; - pbm->controller_regs = pr_regs[1].phys_addr - 0x10000UL; + pbm->chip_version = 0; + prop = of_find_property(dp, "version#", NULL); + if (prop) + pbm->chip_version = *(int *) prop->value; + pbm->chip_revision = 0; + prop = of_find_property(dp, "module-revision#", NULL); + if (prop) + pbm->chip_revision = *(int *) prop->value; + + pbm->pbm_regs = regs[0].phys_addr; + pbm->controller_regs = regs[1].phys_addr - 0x10000UL; if (chip_type == PBM_CHIP_TYPE_TOMATILLO) - pbm->sync_reg = pr_regs[3].phys_addr + 0x1a18UL; + pbm->sync_reg = regs[3].phys_addr + 0x1a18UL; - sprintf(pbm->name, - (chip_type == PBM_CHIP_TYPE_TOMATILLO ? - "TOMATILLO%d PBM%c" : - "SCHIZO%d PBM%c"), - p->index, - (pbm == &p->pbm_A ? 'A' : 'B')); + pbm->name = dp->full_name; - printk("%s: ver[%x:%x], portid %x, " - "cregs[%lx] pregs[%lx]\n", + printk("%s: %s PCI Bus Module ver[%x:%x]\n", pbm->name, - pbm->chip_version, pbm->chip_revision, - pbm->portid, - pbm->controller_regs, - pbm->pbm_regs); + (chip_type == PBM_CHIP_TYPE_TOMATILLO ? + "TOMATILLO" : "SCHIZO"), + pbm->chip_version, pbm->chip_revision); schizo_pbm_hw_init(pbm); - prom_getstring(prom_node, "name", - pbm->prom_name, - sizeof(pbm->prom_name)); - - err = prom_getproperty(prom_node, "ranges", - (char *) pbm->pbm_ranges, - sizeof(pbm->pbm_ranges)); - if (err == 0 || err == -1) { - prom_printf("%s: Fatal error, no ranges property.\n", - pbm->name); - prom_halt(); - } - + prop = of_find_property(dp, "ranges", &len); + pbm->pbm_ranges = prop->value; pbm->num_pbm_ranges = - (err / sizeof(struct linux_prom_pci_ranges)); + (len / sizeof(struct linux_prom_pci_ranges)); schizo_determine_mem_io_space(pbm); pbm_register_toplevel_resources(p, pbm); - err = prom_getproperty(prom_node, "interrupt-map", - (char *)pbm->pbm_intmap, - sizeof(pbm->pbm_intmap)); - if (err != -1) { - pbm->num_pbm_intmap = (err / sizeof(struct linux_prom_pci_intmap)); - err = prom_getproperty(prom_node, "interrupt-map-mask", - (char *)&pbm->pbm_intmask, - sizeof(pbm->pbm_intmask)); - if (err == -1) { - prom_printf("%s: Fatal error, no " - "interrupt-map-mask.\n", pbm->name); - prom_halt(); - } + prop = of_find_property(dp, "interrupt-map", &len); + if (prop) { + pbm->pbm_intmap = prop->value; + pbm->num_pbm_intmap = + (len / sizeof(struct linux_prom_pci_intmap)); + + prop = of_find_property(dp, "interrupt-map-mask", NULL); + pbm->pbm_intmask = prop->value; } else { pbm->num_pbm_intmap = 0; - memset(&pbm->pbm_intmask, 0, sizeof(pbm->pbm_intmask)); } - err = prom_getproperty(prom_node, "ino-bitmap", - (char *) &ino_bitmap[0], - sizeof(ino_bitmap)); - if (err == 0 || err == -1) { - prom_printf("%s: Fatal error, no ino-bitmap.\n", pbm->name); - prom_halt(); - } + prop = of_find_property(dp, "ino-bitmap", NULL); + ino_bitmap = prop->value; pbm->ino_bitmap = (((u64)ino_bitmap[1] << 32UL) | ((u64)ino_bitmap[0] << 0UL)); - err = prom_getproperty(prom_node, "bus-range", - (char *)&busrange[0], - sizeof(busrange)); - if (err == 0 || err == -1) { - prom_printf("%s: Fatal error, no bus-range.\n", pbm->name); - prom_halt(); - } + prop = of_find_property(dp, "bus-range", NULL); + busrange = prop->value; pbm->pci_first_busno = busrange[0]; pbm->pci_last_busno = busrange[1]; @@ -1989,16 +1964,20 @@ static inline int portid_compare(u32 x, u32 y, int chip_type) return (x == y); } -static void __schizo_init(int node, char *model_name, int chip_type) +static void __schizo_init(struct device_node *dp, char *model_name, int chip_type) { struct pci_controller_info *p; struct pci_iommu *iommu; + struct property *prop; int is_pbm_a; u32 portid; - portid = prom_getintdefault(node, "portid", 0xff); + portid = 0xff; + prop = of_find_property(dp, "portid", NULL); + if (prop) + portid = *(u32 *) prop->value; - for(p = pci_controller_root; p; p = p->next) { + for (p = pci_controller_root; p; p = p->next) { struct pci_pbm_info *pbm; if (p->pbm_A.prom_node && p->pbm_B.prom_node) @@ -2009,8 +1988,8 @@ static void __schizo_init(int node, char *model_name, int chip_type) &p->pbm_B); if (portid_compare(pbm->portid, portid, chip_type)) { - is_pbm_a = (p->pbm_A.prom_node == 0); - schizo_pbm_init(p, node, portid, chip_type); + is_pbm_a = (p->pbm_A.prom_node == NULL); + schizo_pbm_init(p, dp, portid, chip_type); return; } } @@ -2051,20 +2030,20 @@ static void __schizo_init(int node, char *model_name, int chip_type) /* Like PSYCHO we have a 2GB aligned area for memory space. */ pci_memspace_mask = 0x7fffffffUL; - schizo_pbm_init(p, node, portid, chip_type); + schizo_pbm_init(p, dp, portid, chip_type); } -void schizo_init(int node, char *model_name) +void schizo_init(struct device_node *dp, char *model_name) { - __schizo_init(node, model_name, PBM_CHIP_TYPE_SCHIZO); + __schizo_init(dp, model_name, PBM_CHIP_TYPE_SCHIZO); } -void schizo_plus_init(int node, char *model_name) +void schizo_plus_init(struct device_node *dp, char *model_name) { - __schizo_init(node, model_name, PBM_CHIP_TYPE_SCHIZO_PLUS); + __schizo_init(dp, model_name, PBM_CHIP_TYPE_SCHIZO_PLUS); } -void tomatillo_init(int node, char *model_name) +void tomatillo_init(struct device_node *dp, char *model_name) { - __schizo_init(node, model_name, PBM_CHIP_TYPE_TOMATILLO); + __schizo_init(dp, model_name, PBM_CHIP_TYPE_TOMATILLO); } diff --git a/arch/sparc64/kernel/pci_sun4v.c b/arch/sparc64/kernel/pci_sun4v.c index 5419480edf41..b63b2834133f 100644 --- a/arch/sparc64/kernel/pci_sun4v.c +++ b/arch/sparc64/kernel/pci_sun4v.c @@ -18,6 +18,7 @@ #include <asm/pstate.h> #include <asm/oplib.h> #include <asm/hypervisor.h> +#include <asm/prom.h> #include "pci_impl.h" #include "iommu_common.h" @@ -646,35 +647,37 @@ static int pdev_htab_add(u32 devhandle, unsigned int bus, unsigned int device, u /* Recursively descend into the OBP device tree, rooted at toplevel_node, * looking for a PCI device matching bus and devfn. */ -static int obp_find(struct linux_prom_pci_registers *pregs, int toplevel_node, unsigned int bus, unsigned int devfn) +static int obp_find(struct device_node *toplevel_node, unsigned int bus, unsigned int devfn) { - toplevel_node = prom_getchild(toplevel_node); + toplevel_node = toplevel_node->child; - while (toplevel_node != 0) { - int ret = obp_find(pregs, toplevel_node, bus, devfn); + while (toplevel_node != NULL) { + struct linux_prom_pci_registers *regs; + struct property *prop; + int ret; + ret = obp_find(toplevel_node, bus, devfn); if (ret != 0) return ret; - ret = prom_getproperty(toplevel_node, "reg", (char *) pregs, - sizeof(*pregs) * PROMREG_MAX); - if (ret == 0 || ret == -1) + prop = of_find_property(toplevel_node, "reg", NULL); + if (!prop) goto next_sibling; - if (((pregs[0].phys_hi >> 16) & 0xff) == bus && - ((pregs[0].phys_hi >> 8) & 0xff) == devfn) + regs = prop->value; + if (((regs->phys_hi >> 16) & 0xff) == bus && + ((regs->phys_hi >> 8) & 0xff) == devfn) break; next_sibling: - toplevel_node = prom_getsibling(toplevel_node); + toplevel_node = toplevel_node->sibling; } - return toplevel_node; + return toplevel_node != NULL; } static int pdev_htab_populate(struct pci_pbm_info *pbm) { - struct linux_prom_pci_registers pr[PROMREG_MAX]; u32 devhandle = pbm->devhandle; unsigned int bus; @@ -685,7 +688,7 @@ static int pdev_htab_populate(struct pci_pbm_info *pbm) unsigned int device = PCI_SLOT(devfn); unsigned int func = PCI_FUNC(devfn); - if (obp_find(pr, pbm->prom_node, bus, devfn)) { + if (obp_find(pbm->prom_node, bus, devfn)) { int err = pdev_htab_add(devhandle, bus, device, func); if (err) @@ -812,7 +815,7 @@ static void pbm_scan_bus(struct pci_controller_info *p, pbm->pci_bus->self->sysdata = cookie; #endif pci_fill_in_pbm_cookies(pbm->pci_bus, pbm, - pbm->prom_node); + pbm->prom_node->node); pci_record_assignments(pbm, pbm->pci_bus); pci_assign_unassigned(pbm, pbm->pci_bus); pci_fixup_irq(pbm, pbm->pci_bus); @@ -822,15 +825,18 @@ static void pbm_scan_bus(struct pci_controller_info *p, static void pci_sun4v_scan_bus(struct pci_controller_info *p) { - if (p->pbm_A.prom_node) { - p->pbm_A.is_66mhz_capable = - prom_getbool(p->pbm_A.prom_node, "66mhz-capable"); + struct property *prop; + struct device_node *dp; + + if ((dp = p->pbm_A.prom_node) != NULL) { + prop = of_find_property(dp, "66mhz-capable", NULL); + p->pbm_A.is_66mhz_capable = (prop != NULL); pbm_scan_bus(p, &p->pbm_A); } - if (p->pbm_B.prom_node) { - p->pbm_B.is_66mhz_capable = - prom_getbool(p->pbm_B.prom_node, "66mhz-capable"); + if ((dp = p->pbm_B.prom_node) != NULL) { + prop = of_find_property(dp, "66mhz-capable", NULL); + p->pbm_B.is_66mhz_capable = (prop != NULL); pbm_scan_bus(p, &p->pbm_B); } @@ -993,13 +999,18 @@ static unsigned long probe_existing_entries(struct pci_pbm_info *pbm, static void pci_sun4v_iommu_init(struct pci_pbm_info *pbm) { struct pci_iommu *iommu = pbm->iommu; + struct property *prop; unsigned long num_tsb_entries, sz; u32 vdma[2], dma_mask, dma_offset; - int err, tsbsize; + int tsbsize; + + prop = of_find_property(pbm->prom_node, "virtual-dma", NULL); + if (prop) { + u32 *val = prop->value; - err = prom_getproperty(pbm->prom_node, "virtual-dma", - (char *)&vdma[0], sizeof(vdma)); - if (err == 0 || err == -1) { + vdma[0] = val[0]; + vdma[1] = val[1]; + } else { /* No property, use default values. */ vdma[0] = 0x80000000; vdma[1] = 0x80000000; @@ -1058,27 +1069,23 @@ static void pci_sun4v_iommu_init(struct pci_pbm_info *pbm) static void pci_sun4v_get_bus_range(struct pci_pbm_info *pbm) { - unsigned int busrange[2]; - int prom_node = pbm->prom_node; - int err; - - err = prom_getproperty(prom_node, "bus-range", - (char *)&busrange[0], - sizeof(busrange)); - if (err == 0 || err == -1) { - prom_printf("%s: Fatal error, no bus-range.\n", pbm->name); - prom_halt(); - } + struct property *prop; + unsigned int *busrange; + + prop = of_find_property(pbm->prom_node, "bus-range", NULL); + + busrange = prop->value; pbm->pci_first_busno = busrange[0]; pbm->pci_last_busno = busrange[1]; } -static void pci_sun4v_pbm_init(struct pci_controller_info *p, int prom_node, u32 devhandle) +static void pci_sun4v_pbm_init(struct pci_controller_info *p, struct device_node *dp, u32 devhandle) { struct pci_pbm_info *pbm; - int err, i; + struct property *prop; + int len, i; if (devhandle & 0x40) pbm = &p->pbm_B; @@ -1086,32 +1093,19 @@ static void pci_sun4v_pbm_init(struct pci_controller_info *p, int prom_node, u32 pbm = &p->pbm_A; pbm->parent = p; - pbm->prom_node = prom_node; + pbm->prom_node = dp; pbm->pci_first_slot = 1; pbm->devhandle = devhandle; - sprintf(pbm->name, "SUN4V-PCI%d PBM%c", - p->index, (pbm == &p->pbm_A ? 'A' : 'B')); - - printk("%s: devhandle[%x] prom_node[%x:%x]\n", - pbm->name, pbm->devhandle, - pbm->prom_node, prom_getchild(pbm->prom_node)); + pbm->name = dp->full_name; - prom_getstring(prom_node, "name", - pbm->prom_name, sizeof(pbm->prom_name)); - - err = prom_getproperty(prom_node, "ranges", - (char *) pbm->pbm_ranges, - sizeof(pbm->pbm_ranges)); - if (err == 0 || err == -1) { - prom_printf("%s: Fatal error, no ranges property.\n", - pbm->name); - prom_halt(); - } + printk("%s: SUN4V PCI Bus Module\n", pbm->name); + prop = of_find_property(dp, "ranges", &len); + pbm->pbm_ranges = prop->value; pbm->num_pbm_ranges = - (err / sizeof(struct linux_prom_pci_ranges)); + (len / sizeof(struct linux_prom_pci_ranges)); /* Mask out the top 8 bits of the ranges, leaving the real * physical address. @@ -1122,24 +1116,13 @@ static void pci_sun4v_pbm_init(struct pci_controller_info *p, int prom_node, u32 pci_sun4v_determine_mem_io_space(pbm); pbm_register_toplevel_resources(p, pbm); - err = prom_getproperty(prom_node, "interrupt-map", - (char *)pbm->pbm_intmap, - sizeof(pbm->pbm_intmap)); - if (err == 0 || err == -1) { - prom_printf("%s: Fatal error, no interrupt-map property.\n", - pbm->name); - prom_halt(); - } + prop = of_find_property(dp, "interrupt-map", &len); + pbm->pbm_intmap = prop->value; + pbm->num_pbm_intmap = + (len / sizeof(struct linux_prom_pci_intmap)); - pbm->num_pbm_intmap = (err / sizeof(struct linux_prom_pci_intmap)); - err = prom_getproperty(prom_node, "interrupt-map-mask", - (char *)&pbm->pbm_intmask, - sizeof(pbm->pbm_intmask)); - if (err == 0 || err == -1) { - prom_printf("%s: Fatal error, no interrupt-map-mask.\n", - pbm->name); - prom_halt(); - } + prop = of_find_property(dp, "interrupt-map-mask", NULL); + pbm->pbm_intmask = prop->value; pci_sun4v_get_bus_range(pbm); pci_sun4v_iommu_init(pbm); @@ -1147,16 +1130,19 @@ static void pci_sun4v_pbm_init(struct pci_controller_info *p, int prom_node, u32 pdev_htab_populate(pbm); } -void sun4v_pci_init(int node, char *model_name) +void sun4v_pci_init(struct device_node *dp, char *model_name) { struct pci_controller_info *p; struct pci_iommu *iommu; - struct linux_prom64_registers regs; + struct property *prop; + struct linux_prom64_registers *regs; u32 devhandle; int i; - prom_getproperty(node, "reg", (char *)®s, sizeof(regs)); - devhandle = (regs.phys_addr >> 32UL) & 0x0fffffff; + prop = of_find_property(dp, "reg", NULL); + regs = prop->value; + + devhandle = (regs->phys_addr >> 32UL) & 0x0fffffff; for (p = pci_controller_root; p; p = p->next) { struct pci_pbm_info *pbm; @@ -1169,7 +1155,7 @@ void sun4v_pci_init(int node, char *model_name) &p->pbm_B); if (pbm->devhandle == (devhandle ^ 0x40)) { - pci_sun4v_pbm_init(p, node, devhandle); + pci_sun4v_pbm_init(p, dp, devhandle); return; } } @@ -1220,7 +1206,7 @@ void sun4v_pci_init(int node, char *model_name) */ pci_memspace_mask = 0x7fffffffUL; - pci_sun4v_pbm_init(p, node, devhandle); + pci_sun4v_pbm_init(p, dp, devhandle); return; fatal_memory_error: |