[PATCH] spufs: fix for CONFIG_NUMA

[mirror_ubuntu-zesty-kernel.git] / arch / powerpc / platforms / cell / setup.c

diff --git a/arch/powerpc/platforms/cell/setup.c b/arch/powerpc/platforms/cell/setup.c
index b33a4443f5a9368344f6ac3f3507ac6593a86e77..6574b22b3cf3d4eb5feb828583ec721aa4685b6f 100644 (file)
--- a/arch/powerpc/platforms/cell/setup.c
+++ b/arch/powerpc/platforms/cell/setup.c
@@ -29,6 +29,8 @@
 #include <linux/seq_file.h>
 #include <linux/root_dev.h>
 #include <linux/console.h>
+#include <linux/mutex.h>
+#include <linux/memory_hotplug.h>
 
 #include <asm/mmu.h>
 #include <asm/processor.h>
@@ -46,6 +48,7 @@
 #include <asm/cputable.h>
 #include <asm/ppc-pci.h>
 #include <asm/irq.h>
+#include <asm/spu.h>
 
 #include "interrupt.h"
 #include "iommu.h"
@@ -69,77 +72,6 @@ static void cell_show_cpuinfo(struct seq_file *m)
        of_node_put(root);
 }
 
-#ifdef CONFIG_SPARSEMEM
-static int __init find_spu_node_id(struct device_node *spe)
-{
-       unsigned int *id;
-#ifdef CONFIG_NUMA
-       struct device_node *cpu;
-       cpu = spe->parent->parent;
-       id = (unsigned int *)get_property(cpu, "node-id", NULL);
-#else
-       id = NULL;
-#endif
-       return id ? *id : 0;
-}
-
-static void __init cell_spuprop_present(struct device_node *spe,
-                                      const char *prop, int early)
-{
-       struct address_prop {
-               unsigned long address;
-               unsigned int len;
-       } __attribute__((packed)) *p;
-       int proplen;
-
-       unsigned long start_pfn, end_pfn, pfn;
-       int node_id;
-
-       p = (void*)get_property(spe, prop, &proplen);
-       WARN_ON(proplen != sizeof (*p));
-
-       node_id = find_spu_node_id(spe);
-
-       start_pfn = p->address >> PAGE_SHIFT;
-       end_pfn = (p->address + p->len + PAGE_SIZE - 1) >> PAGE_SHIFT;
-
-       /* We need to call memory_present *before* the call to sparse_init,
-          but we can initialize the page structs only *after* that call.
-          Thus, we're being called twice. */
-       if (early)
-               memory_present(node_id, start_pfn, end_pfn);
-       else {
-               /* As the pages backing SPU LS and I/O are outside the range
-                  of regular memory, their page structs were not initialized
-                  by free_area_init. Do it here instead. */
-               for (pfn = start_pfn; pfn < end_pfn; pfn++) {
-                       struct page *page = pfn_to_page(pfn);
-                       set_page_links(page, ZONE_DMA, node_id, pfn);
-                       set_page_count(page, 1);
-                       reset_page_mapcount(page);
-                       SetPageReserved(page);
-                       INIT_LIST_HEAD(&page->lru);
-               }
-       }
-}
-
-static void __init cell_spumem_init(int early)
-{
-       struct device_node *node;
-       for (node = of_find_node_by_type(NULL, "spe");
-                       node; node = of_find_node_by_type(node, "spe")) {
-               cell_spuprop_present(node, "local-store", early);
-               cell_spuprop_present(node, "problem", early);
-               cell_spuprop_present(node, "priv1", early);
-               cell_spuprop_present(node, "priv2", early);
-       }
-}
-#else
-static void __init cell_spumem_init(int early)
-{
-}
-#endif
-
 static void cell_progress(char *s, unsigned short hex)
 {
        printk("*** %04x : %s\n", hex, s ? s : "");
@@ -172,8 +104,6 @@ static void __init cell_setup_arch(void)
 #endif
 
        mmio_nvram_init();
-
-       cell_spumem_init(0);
 }
 
 /*
@@ -189,15 +119,17 @@ static void __init cell_init_early(void)
 
        ppc64_interrupt_controller = IC_CELL_PIC;
 
-       cell_spumem_init(1);
-
        DBG(" <- cell_init_early()\n");
 }
 
 
-static int __init cell_probe(int platform)
+static int __init cell_probe(void)
 {
-       if (platform != PLATFORM_CELL)
+       /* XXX This is temporary, the Cell maintainer will come up with
+        * more appropriate detection logic
+        */
+       unsigned long root = of_get_flat_dt_root();
+       if (!of_flat_dt_is_compatible(root, "IBM,CPBW-1.0"))
                return 0;
 
        return 1;
@@ -212,7 +144,8 @@ static int cell_check_legacy_ioport(unsigned int baseport)
        return -ENODEV;
 }
 
-struct machdep_calls __initdata cell_md = {
+define_machine(cell) {
+       .name                   = "Cell",
        .probe                  = cell_probe,
        .setup_arch             = cell_setup_arch,
        .init_early             = cell_init_early,