summaryrefslogtreecommitdiff
path: root/arch/powerpc/platforms/cell/setup.c
diff options
context:
space:
mode:
Diffstat (limited to 'arch/powerpc/platforms/cell/setup.c')
-rw-r--r--arch/powerpc/platforms/cell/setup.c95
1 files changed, 94 insertions, 1 deletions
diff --git a/arch/powerpc/platforms/cell/setup.c b/arch/powerpc/platforms/cell/setup.c
index 9a495634d0c2..b33a4443f5a9 100644
--- a/arch/powerpc/platforms/cell/setup.c
+++ b/arch/powerpc/platforms/cell/setup.c
@@ -33,6 +33,7 @@
#include <asm/mmu.h>
#include <asm/processor.h>
#include <asm/io.h>
+#include <asm/kexec.h>
#include <asm/pgtable.h>
#include <asm/prom.h>
#include <asm/rtas.h>
@@ -48,6 +49,7 @@
#include "interrupt.h"
#include "iommu.h"
+#include "pervasive.h"
#ifdef DEBUG
#define DBG(fmt...) udbg_printf(fmt)
@@ -55,7 +57,7 @@
#define DBG(fmt...)
#endif
-void cell_show_cpuinfo(struct seq_file *m)
+static void cell_show_cpuinfo(struct seq_file *m)
{
struct device_node *root;
const char *model = "";
@@ -67,6 +69,77 @@ 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 : "");
@@ -93,11 +166,14 @@ static void __init cell_setup_arch(void)
init_pci_config_tokens();
find_and_init_phbs();
spider_init_IRQ();
+ cell_pervasive_init();
#ifdef CONFIG_DUMMY_CONSOLE
conswitchp = &dummy_con;
#endif
mmio_nvram_init();
+
+ cell_spumem_init(0);
}
/*
@@ -113,6 +189,8 @@ static void __init cell_init_early(void)
ppc64_interrupt_controller = IC_CELL_PIC;
+ cell_spumem_init(1);
+
DBG(" <- cell_init_early()\n");
}
@@ -125,6 +203,15 @@ static int __init cell_probe(int platform)
return 1;
}
+/*
+ * Cell has no legacy IO; anything calling this function has to
+ * fail or bad things will happen
+ */
+static int cell_check_legacy_ioport(unsigned int baseport)
+{
+ return -ENODEV;
+}
+
struct machdep_calls __initdata cell_md = {
.probe = cell_probe,
.setup_arch = cell_setup_arch,
@@ -137,5 +224,11 @@ struct machdep_calls __initdata cell_md = {
.get_rtc_time = rtas_get_rtc_time,
.set_rtc_time = rtas_set_rtc_time,
.calibrate_decr = generic_calibrate_decr,
+ .check_legacy_ioport = cell_check_legacy_ioport,
.progress = cell_progress,
+#ifdef CONFIG_KEXEC
+ .machine_kexec = default_machine_kexec,
+ .machine_kexec_prepare = default_machine_kexec_prepare,
+ .machine_crash_shutdown = default_machine_crash_shutdown,
+#endif
};