diff options
Diffstat (limited to 'arch/powerpc/kernel/prom.c')
| -rw-r--r-- | arch/powerpc/kernel/prom.c | 37 |
1 files changed, 17 insertions, 20 deletions
diff --git a/arch/powerpc/kernel/prom.c b/arch/powerpc/kernel/prom.c index f645adb57534..3bf968e74095 100644 --- a/arch/powerpc/kernel/prom.c +++ b/arch/powerpc/kernel/prom.c @@ -48,9 +48,6 @@ #include <asm/machdep.h> #include <asm/pSeries_reconfig.h> #include <asm/pci-bridge.h> -#ifdef CONFIG_PPC64 -#include <asm/systemcfg.h> -#endif #ifdef DEBUG #define DBG(fmt...) printk(KERN_ERR fmt) @@ -74,10 +71,6 @@ struct isa_reg_property { typedef int interpret_func(struct device_node *, unsigned long *, int, int, int); -extern struct rtas_t rtas; -extern struct lmb lmb; -extern unsigned long klimit; - static int __initdata dt_root_addr_cells; static int __initdata dt_root_size_cells; @@ -391,7 +384,7 @@ static int __devinit finish_node_interrupts(struct device_node *np, #ifdef CONFIG_PPC64 /* We offset irq numbers for the u3 MPIC by 128 in PowerMac */ - if (systemcfg->platform == PLATFORM_POWERMAC && ic && ic->parent) { + if (_machine == PLATFORM_POWERMAC && ic && ic->parent) { char *name = get_property(ic->parent, "name", NULL); if (name && !strcmp(name, "u3")) np->intrs[intrcount].line += 128; @@ -1087,9 +1080,9 @@ void __init unflatten_device_tree(void) static int __init early_init_dt_scan_cpus(unsigned long node, const char *uname, int depth, void *data) { - char *type = of_get_flat_dt_prop(node, "device_type", NULL); u32 *prop; - unsigned long size = 0; + unsigned long size; + char *type = of_get_flat_dt_prop(node, "device_type", &size); /* We are scanning "cpu" nodes only */ if (type == NULL || strcmp(type, "cpu") != 0) @@ -1115,7 +1108,7 @@ static int __init early_init_dt_scan_cpus(unsigned long node, #ifdef CONFIG_ALTIVEC /* Check if we have a VMX and eventually update CPU features */ - prop = (u32 *)of_get_flat_dt_prop(node, "ibm,vmx", &size); + prop = (u32 *)of_get_flat_dt_prop(node, "ibm,vmx", NULL); if (prop && (*prop) > 0) { cur_cpu_spec->cpu_features |= CPU_FTR_ALTIVEC; cur_cpu_spec->cpu_user_features |= PPC_FEATURE_HAS_ALTIVEC; @@ -1161,13 +1154,9 @@ static int __init early_init_dt_scan_chosen(unsigned long node, prop = (u32 *)of_get_flat_dt_prop(node, "linux,platform", NULL); if (prop == NULL) return 0; -#ifdef CONFIG_PPC64 - systemcfg->platform = *prop; -#else #ifdef CONFIG_PPC_MULTIPLATFORM _machine = *prop; #endif -#endif #ifdef CONFIG_PPC64 /* check if iommu is forced on or off */ @@ -1264,7 +1253,14 @@ static int __init early_init_dt_scan_memory(unsigned long node, unsigned long l; /* We are scanning "memory" nodes only */ - if (type == NULL || strcmp(type, "memory") != 0) + if (type == NULL) { + /* + * The longtrail doesn't have a device_type on the + * /memory node, so look for the node called /memory@0. + */ + if (depth != 1 || strcmp(uname, "memory@0") != 0) + return 0; + } else if (strcmp(type, "memory") != 0) return 0; reg = (cell_t *)of_get_flat_dt_prop(node, "reg", &l); @@ -1339,9 +1335,6 @@ void __init early_init_devtree(void *params) of_scan_flat_dt(early_init_dt_scan_memory, NULL); lmb_enforce_memory_limit(memory_limit); lmb_analyze(); -#ifdef CONFIG_PPC64 - systemcfg->physicalMemorySize = lmb_phys_mem_size(); -#endif lmb_reserve(0, __pa(klimit)); DBG("Phys. mem: %lx\n", lmb_phys_mem_size()); @@ -1375,6 +1368,7 @@ prom_n_addr_cells(struct device_node* np) /* No #address-cells property for the root node, default to 1 */ return 1; } +EXPORT_SYMBOL(prom_n_addr_cells); int prom_n_size_cells(struct device_node* np) @@ -1390,6 +1384,7 @@ prom_n_size_cells(struct device_node* np) /* No #size-cells property for the root node, default to 1 */ return 1; } +EXPORT_SYMBOL(prom_n_size_cells); /** * Work out the sense (active-low level / active-high edge) @@ -1908,7 +1903,7 @@ static int of_finish_dynamic_node(struct device_node *node, /* We don't support that function on PowerMac, at least * not yet */ - if (systemcfg->platform == PLATFORM_POWERMAC) + if (_machine == PLATFORM_POWERMAC) return -ENODEV; /* fix up new node's linux_phandle field */ @@ -1992,9 +1987,11 @@ int prom_add_property(struct device_node* np, struct property* prop) *next = prop; write_unlock(&devtree_lock); +#ifdef CONFIG_PROC_DEVICETREE /* try to add to proc as well if it was initialized */ if (np->pde) proc_device_tree_add_prop(np->pde, prop); +#endif /* CONFIG_PROC_DEVICETREE */ return 0; } |