Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/ieee1394...

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

diff --git a/arch/powerpc/platforms/cell/cbe_regs.c b/arch/powerpc/platforms/cell/cbe_regs.c
index 5e3e0e925e4ec69abab49921a03a1f0b88d49ba2..9a0ee62691d529f69a90779e5bbe62cd7e5fbdcd 100644 (file)
--- a/arch/powerpc/platforms/cell/cbe_regs.c
+++ b/arch/powerpc/platforms/cell/cbe_regs.c
@@ -30,6 +30,7 @@ static struct cbe_regs_map
        struct cbe_pmd_regs __iomem *pmd_regs;
        struct cbe_iic_regs __iomem *iic_regs;
        struct cbe_mic_tm_regs __iomem *mic_tm_regs;
+       struct cbe_pmd_shadow_regs pmd_shadow_regs;
 } cbe_regs_maps[MAX_CBE];
 static int cbe_regs_map_count;
 
@@ -80,6 +81,22 @@ struct cbe_pmd_regs __iomem *cbe_get_cpu_pmd_regs(int cpu)
 }
 EXPORT_SYMBOL_GPL(cbe_get_cpu_pmd_regs);
 
+struct cbe_pmd_shadow_regs *cbe_get_pmd_shadow_regs(struct device_node *np)
+{
+       struct cbe_regs_map *map = cbe_find_map(np);
+       if (map == NULL)
+               return NULL;
+       return &map->pmd_shadow_regs;
+}
+
+struct cbe_pmd_shadow_regs *cbe_get_cpu_pmd_shadow_regs(int cpu)
+{
+       struct cbe_regs_map *map = cbe_thread_map[cpu].regs;
+       if (map == NULL)
+               return NULL;
+       return &map->pmd_shadow_regs;
+}
+
 struct cbe_iic_regs __iomem *cbe_get_iic_regs(struct device_node *np)
 {
        struct cbe_regs_map *map = cbe_find_map(np);
@@ -113,6 +130,18 @@ struct cbe_mic_tm_regs __iomem *cbe_get_cpu_mic_tm_regs(int cpu)
 }
 EXPORT_SYMBOL_GPL(cbe_get_cpu_mic_tm_regs);
 
+/* FIXME
+ * This is little more than a stub at the moment.  It should be
+ * fleshed out so that it works for both SMT and non-SMT, no
+ * matter if the passed cpu is odd or even.
+ * For SMT enabled, returns 0 for even-numbered cpu; otherwise 1.
+ * For SMT disabled, returns 0 for all cpus.
+ */
+u32 cbe_get_hw_thread_id(int cpu)
+{
+       return (cpu & 1);
+}
+EXPORT_SYMBOL_GPL(cbe_get_hw_thread_id);
 
 void __init cbe_regs_init(void)
 {