*/
#undef DEBUG
-#include <linux/config.h>
#include <linux/sched.h>
#include <linux/kernel.h>
#include <linux/mm.h>
#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>
#include <asm/cputable.h>
#include <asm/ppc-pci.h>
#include <asm/irq.h>
+#include <asm/spu.h>
+#include <asm/spu_priv1.h>
+#include <asm/udbg.h>
+#include <asm/mpic.h>
+#include <asm/of_platform.h>
#include "interrupt.h"
-#include "iommu.h"
+#include "cbe_regs.h"
#include "pervasive.h"
+#include "ras.h"
#ifdef DEBUG
#define DBG(fmt...) udbg_printf(fmt)
of_node_put(root);
}
-#ifdef CONFIG_SPARSEMEM
-static int __init find_spu_node_id(struct device_node *spe)
+static void cell_progress(char *s, unsigned short hex)
{
- 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;
+ printk("*** %04x : %s\n", hex, s ? s : "");
}
-static void __init cell_spuprop_present(struct device_node *spe,
- const char *prop, int early)
+static int __init cell_publish_devices(void)
{
- 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);
- }
- }
+ if (!machine_is(cell))
+ return 0;
+
+ /* Publish OF platform devices for southbridge IOs */
+ of_platform_bus_probe(NULL, NULL, NULL);
+
+ return 0;
}
+device_initcall(cell_publish_devices);
-static void __init cell_spumem_init(int early)
+static void cell_mpic_cascade(unsigned int irq, struct irq_desc *desc)
{
- 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);
- }
+ struct mpic *mpic = desc->handler_data;
+ unsigned int virq;
+
+ virq = mpic_get_one_irq(mpic);
+ if (virq != NO_IRQ)
+ generic_handle_irq(virq);
+ desc->chip->eoi(irq);
}
-#else
-static void __init cell_spumem_init(int early)
+
+static void __init mpic_init_IRQ(void)
{
+ struct device_node *dn;
+ struct mpic *mpic;
+ unsigned int virq;
+
+ for (dn = NULL;
+ (dn = of_find_node_by_name(dn, "interrupt-controller"));) {
+ if (!device_is_compatible(dn, "CBEA,platform-open-pic"))
+ continue;
+
+ /* The MPIC driver will get everything it needs from the
+ * device-tree, just pass 0 to all arguments
+ */
+ mpic = mpic_alloc(dn, 0, 0, 0, 0, " MPIC ");
+ if (mpic == NULL)
+ continue;
+ mpic_init(mpic);
+
+ virq = irq_of_parse_and_map(dn, 0);
+ if (virq == NO_IRQ)
+ continue;
+
+ printk(KERN_INFO "%s : hooking up to IRQ %d\n",
+ dn->full_name, virq);
+ set_irq_data(virq, mpic);
+ set_irq_chained_handler(virq, cell_mpic_cascade);
+ }
}
-#endif
-static void cell_progress(char *s, unsigned short hex)
+
+static void __init cell_init_irq(void)
{
- printk("*** %04x : %s\n", hex, s ? s : "");
+ iic_init_IRQ();
+ spider_init_IRQ();
+ mpic_init_IRQ();
}
static void __init cell_setup_arch(void)
{
- ppc_md.init_IRQ = iic_init_IRQ;
- ppc_md.get_irq = iic_get_irq;
+#ifdef CONFIG_SPU_BASE
+ spu_priv1_ops = &spu_priv1_mmio_ops;
+ spu_management_ops = &spu_management_of_ops;
+#endif
+
+ cbe_regs_init();
+
+#ifdef CONFIG_CBE_RAS
+ cbe_ras_init();
+#endif
#ifdef CONFIG_SMP
smp_init_cell();
#endif
-
/* init to some ~sane value until calibrate_delay() runs */
loops_per_jiffy = 50000000;
/* Find and initialize PCI host bridges */
init_pci_config_tokens();
find_and_init_phbs();
- spider_init_IRQ();
- cell_pervasive_init();
+ cbe_pervasive_init();
#ifdef CONFIG_DUMMY_CONSOLE
conswitchp = &dummy_con;
#endif
mmio_nvram_init();
-
- cell_spumem_init(0);
}
-/*
- * Early initialization. Relocation is on but do not reference unbolted pages
- */
-static void __init cell_init_early(void)
+static int __init cell_probe(void)
{
- DBG(" -> cell_init_early()\n");
-
- hpte_init_native();
+ unsigned long root = of_get_flat_dt_root();
- cell_init_iommu();
-
- ppc64_interrupt_controller = IC_CELL_PIC;
-
- cell_spumem_init(1);
-
- DBG(" <- cell_init_early()\n");
-}
-
-
-static int __init cell_probe(int platform)
-{
- if (platform != PLATFORM_CELL)
+ if (!of_flat_dt_is_compatible(root, "IBM,CBEA") &&
+ !of_flat_dt_is_compatible(root, "IBM,CPBW-1.0"))
return 0;
+ hpte_init_native();
+
return 1;
}
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,
.show_cpuinfo = cell_show_cpuinfo,
.restart = rtas_restart,
.power_off = rtas_power_off,
.calibrate_decr = generic_calibrate_decr,
.check_legacy_ioport = cell_check_legacy_ioport,
.progress = cell_progress,
+ .init_IRQ = cell_init_irq,
+ .pci_setup_phb = rtas_setup_phb,
#ifdef CONFIG_KEXEC
.machine_kexec = default_machine_kexec,
.machine_kexec_prepare = default_machine_kexec_prepare,
git://git.onelab.eu / linux-2.6.git / blobdiff