]> pilppa.org Git - linux-2.6-omap-h63xx.git/blobdiff - arch/sparc64/kernel/prom.c
Merge branch 'libertas-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/linvil...
[linux-2.6-omap-h63xx.git] / arch / sparc64 / kernel / prom.c
index 02830e4671f5824c9a9216d496037e562cfc275a..61036b346664b994cf329e90eef89305f7a28be3 100644 (file)
@@ -28,6 +28,7 @@
 #include <asm/irq.h>
 #include <asm/asi.h>
 #include <asm/upa.h>
+#include <asm/smp.h>
 
 static struct device_node *allnodes;
 
@@ -932,29 +933,29 @@ static void __init fire_irq_trans_init(struct device_node *dp)
  * This should conform to both Sunfire/Wildfire server and Fusion
  * desktop designs.
  */
-#define SYSIO_IMAP_SLOT0       0x2c04UL
-#define SYSIO_IMAP_SLOT1       0x2c0cUL
-#define SYSIO_IMAP_SLOT2       0x2c14UL
-#define SYSIO_IMAP_SLOT3       0x2c1cUL
-#define SYSIO_IMAP_SCSI                0x3004UL
-#define SYSIO_IMAP_ETH         0x300cUL
-#define SYSIO_IMAP_BPP         0x3014UL
-#define SYSIO_IMAP_AUDIO       0x301cUL
-#define SYSIO_IMAP_PFAIL       0x3024UL
-#define SYSIO_IMAP_KMS         0x302cUL
-#define SYSIO_IMAP_FLPY                0x3034UL
-#define SYSIO_IMAP_SHW         0x303cUL
-#define SYSIO_IMAP_KBD         0x3044UL
-#define SYSIO_IMAP_MS          0x304cUL
-#define SYSIO_IMAP_SER         0x3054UL
-#define SYSIO_IMAP_TIM0                0x3064UL
-#define SYSIO_IMAP_TIM1                0x306cUL
-#define SYSIO_IMAP_UE          0x3074UL
-#define SYSIO_IMAP_CE          0x307cUL
-#define SYSIO_IMAP_SBERR       0x3084UL
-#define SYSIO_IMAP_PMGMT       0x308cUL
-#define SYSIO_IMAP_GFX         0x3094UL
-#define SYSIO_IMAP_EUPA                0x309cUL
+#define SYSIO_IMAP_SLOT0       0x2c00UL
+#define SYSIO_IMAP_SLOT1       0x2c08UL
+#define SYSIO_IMAP_SLOT2       0x2c10UL
+#define SYSIO_IMAP_SLOT3       0x2c18UL
+#define SYSIO_IMAP_SCSI                0x3000UL
+#define SYSIO_IMAP_ETH         0x3008UL
+#define SYSIO_IMAP_BPP         0x3010UL
+#define SYSIO_IMAP_AUDIO       0x3018UL
+#define SYSIO_IMAP_PFAIL       0x3020UL
+#define SYSIO_IMAP_KMS         0x3028UL
+#define SYSIO_IMAP_FLPY                0x3030UL
+#define SYSIO_IMAP_SHW         0x3038UL
+#define SYSIO_IMAP_KBD         0x3040UL
+#define SYSIO_IMAP_MS          0x3048UL
+#define SYSIO_IMAP_SER         0x3050UL
+#define SYSIO_IMAP_TIM0                0x3060UL
+#define SYSIO_IMAP_TIM1                0x3068UL
+#define SYSIO_IMAP_UE          0x3070UL
+#define SYSIO_IMAP_CE          0x3078UL
+#define SYSIO_IMAP_SBERR       0x3080UL
+#define SYSIO_IMAP_PMGMT       0x3088UL
+#define SYSIO_IMAP_GFX         0x3090UL
+#define SYSIO_IMAP_EUPA                0x3098UL
 
 #define bogon     ((unsigned long) -1)
 static unsigned long sysio_irq_offsets[] = {
@@ -1005,10 +1006,10 @@ static unsigned long sysio_irq_offsets[] = {
  * Interrupt Clear register pointer, SYSIO specific version.
  */
 #define SYSIO_ICLR_UNUSED0     0x3400UL
-#define SYSIO_ICLR_SLOT0       0x340cUL
-#define SYSIO_ICLR_SLOT1       0x344cUL
-#define SYSIO_ICLR_SLOT2       0x348cUL
-#define SYSIO_ICLR_SLOT3       0x34ccUL
+#define SYSIO_ICLR_SLOT0       0x3408UL
+#define SYSIO_ICLR_SLOT1       0x3448UL
+#define SYSIO_ICLR_SLOT2       0x3488UL
+#define SYSIO_ICLR_SLOT3       0x34c8UL
 static unsigned long sysio_imap_to_iclr(unsigned long imap)
 {
        unsigned long diff = SYSIO_ICLR_UNUSED0 - SYSIO_IMAP_SLOT0;
@@ -1665,6 +1666,155 @@ static struct device_node * __init build_tree(struct device_node *parent, phandl
        return ret;
 }
 
+static const char *get_mid_prop(void)
+{
+       return (tlb_type == spitfire ? "upa-portid" : "portid");
+}
+
+struct device_node *of_find_node_by_cpuid(int cpuid)
+{
+       struct device_node *dp;
+       const char *mid_prop = get_mid_prop();
+
+       for_each_node_by_type(dp, "cpu") {
+               int id = of_getintprop_default(dp, mid_prop, -1);
+               const char *this_mid_prop = mid_prop;
+
+               if (id < 0) {
+                       this_mid_prop = "cpuid";
+                       id = of_getintprop_default(dp, this_mid_prop, -1);
+               }
+
+               if (id < 0) {
+                       prom_printf("OF: Serious problem, cpu lacks "
+                                   "%s property", this_mid_prop);
+                       prom_halt();
+               }
+               if (cpuid == id)
+                       return dp;
+       }
+       return NULL;
+}
+
+static void __init of_fill_in_cpu_data(void)
+{
+       struct device_node *dp;
+       const char *mid_prop = get_mid_prop();
+
+       ncpus_probed = 0;
+       for_each_node_by_type(dp, "cpu") {
+               int cpuid = of_getintprop_default(dp, mid_prop, -1);
+               const char *this_mid_prop = mid_prop;
+               struct device_node *portid_parent;
+               int portid = -1;
+
+               portid_parent = NULL;
+               if (cpuid < 0) {
+                       this_mid_prop = "cpuid";
+                       cpuid = of_getintprop_default(dp, this_mid_prop, -1);
+                       if (cpuid >= 0) {
+                               int limit = 2;
+
+                               portid_parent = dp;
+                               while (limit--) {
+                                       portid_parent = portid_parent->parent;
+                                       if (!portid_parent)
+                                               break;
+                                       portid = of_getintprop_default(portid_parent,
+                                                                      "portid", -1);
+                                       if (portid >= 0)
+                                               break;
+                               }
+                       }
+               }
+
+               if (cpuid < 0) {
+                       prom_printf("OF: Serious problem, cpu lacks "
+                                   "%s property", this_mid_prop);
+                       prom_halt();
+               }
+
+               ncpus_probed++;
+
+#ifdef CONFIG_SMP
+               if (cpuid >= NR_CPUS)
+                       continue;
+#else
+               /* On uniprocessor we only want the values for the
+                * real physical cpu the kernel booted onto, however
+                * cpu_data() only has one entry at index 0.
+                */
+               if (cpuid != real_hard_smp_processor_id())
+                       continue;
+               cpuid = 0;
+#endif
+
+               cpu_data(cpuid).clock_tick =
+                       of_getintprop_default(dp, "clock-frequency", 0);
+
+               if (portid_parent) {
+                       cpu_data(cpuid).dcache_size =
+                               of_getintprop_default(dp, "l1-dcache-size",
+                                                     16 * 1024);
+                       cpu_data(cpuid).dcache_line_size =
+                               of_getintprop_default(dp, "l1-dcache-line-size",
+                                                     32);
+                       cpu_data(cpuid).icache_size =
+                               of_getintprop_default(dp, "l1-icache-size",
+                                                     8 * 1024);
+                       cpu_data(cpuid).icache_line_size =
+                               of_getintprop_default(dp, "l1-icache-line-size",
+                                                     32);
+                       cpu_data(cpuid).ecache_size =
+                               of_getintprop_default(dp, "l2-cache-size", 0);
+                       cpu_data(cpuid).ecache_line_size =
+                               of_getintprop_default(dp, "l2-cache-line-size", 0);
+                       if (!cpu_data(cpuid).ecache_size ||
+                           !cpu_data(cpuid).ecache_line_size) {
+                               cpu_data(cpuid).ecache_size =
+                                       of_getintprop_default(portid_parent,
+                                                             "l2-cache-size",
+                                                             (4 * 1024 * 1024));
+                               cpu_data(cpuid).ecache_line_size =
+                                       of_getintprop_default(portid_parent,
+                                                             "l2-cache-line-size", 64);
+                       }
+
+                       cpu_data(cpuid).core_id = portid + 1;
+                       cpu_data(cpuid).proc_id = portid;
+#ifdef CONFIG_SMP
+                       sparc64_multi_core = 1;
+#endif
+               } else {
+                       cpu_data(cpuid).dcache_size =
+                               of_getintprop_default(dp, "dcache-size", 16 * 1024);
+                       cpu_data(cpuid).dcache_line_size =
+                               of_getintprop_default(dp, "dcache-line-size", 32);
+
+                       cpu_data(cpuid).icache_size =
+                               of_getintprop_default(dp, "icache-size", 16 * 1024);
+                       cpu_data(cpuid).icache_line_size =
+                               of_getintprop_default(dp, "icache-line-size", 32);
+
+                       cpu_data(cpuid).ecache_size =
+                               of_getintprop_default(dp, "ecache-size",
+                                                     (4 * 1024 * 1024));
+                       cpu_data(cpuid).ecache_line_size =
+                               of_getintprop_default(dp, "ecache-line-size", 64);
+
+                       cpu_data(cpuid).core_id = 0;
+                       cpu_data(cpuid).proc_id = -1;
+               }
+
+#ifdef CONFIG_SMP
+               cpu_set(cpuid, cpu_present_map);
+               cpu_set(cpuid, phys_cpu_present_map);
+#endif
+       }
+
+       smp_fill_in_sib_core_maps();
+}
+
 void __init prom_build_devicetree(void)
 {
        struct device_node **nextp;
@@ -1679,4 +1829,7 @@ void __init prom_build_devicetree(void)
                                     &nextp);
        printk("PROM: Built device tree with %u bytes of memory.\n",
               prom_early_allocated);
+
+       if (tlb_type != hypervisor)
+               of_fill_in_cpu_data();
 }