fedora core 6 1.2949 + vserver 2.2.0

[linux-2.6.git] / arch / powerpc / platforms / cell / setup.c

diff --git a/arch/powerpc/platforms/cell/setup.c b/arch/powerpc/platforms/cell/setup.c
index fd3e560..36989c2 100644 (file)
--- a/arch/powerpc/platforms/cell/setup.c
+++ b/arch/powerpc/platforms/cell/setup.c
@@ -14,7 +14,6 @@
  */
 #undef DEBUG
 
-#include <linux/config.h>
 #include <linux/sched.h>
 #include <linux/kernel.h>
 #include <linux/mm.h>
@@ -49,10 +48,15 @@
 #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)
@@ -77,15 +81,83 @@ static void cell_progress(char *s, unsigned short hex)
        printk("*** %04x : %s\n", hex, s ? s : "");
 }
 
+static int __init cell_publish_devices(void)
+{
+       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 cell_mpic_cascade(unsigned int irq, struct irq_desc *desc)
+{
+       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);
+}
+
+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);
+       }
+}
+
+
+static void __init cell_init_irq(void)
+{
+       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;
 
@@ -97,8 +169,7 @@ static void __init cell_setup_arch(void)
        /* 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
@@ -106,32 +177,17 @@ static void __init cell_setup_arch(void)
        mmio_nvram_init();
 }
 
-/*
- * Early initialization.  Relocation is on but do not reference unbolted pages
- */
-static void __init cell_init_early(void)
-{
-       DBG(" -> cell_init_early()\n");
-
-       hpte_init_native();
-
-       cell_init_iommu();
-
-       ppc64_interrupt_controller = IC_CELL_PIC;
-
-       DBG(" <- cell_init_early()\n");
-}
-
-
 static int __init cell_probe(void)
 {
        unsigned long root = of_get_flat_dt_root();
 
-       if (of_flat_dt_is_compatible(root, "IBM,CBEA") ||
-           of_flat_dt_is_compatible(root, "IBM,CPBW-1.0"))
-               return 1;
+       if (!of_flat_dt_is_compatible(root, "IBM,CBEA") &&
+           !of_flat_dt_is_compatible(root, "IBM,CPBW-1.0"))
+               return 0;
 
-       return 0;
+       hpte_init_native();
+
+       return 1;
 }
 
 /*
@@ -147,7 +203,6 @@ 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,
@@ -158,6 +213,8 @@ define_machine(cell) {
        .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,