7 files changed, 23 insertions, 54 deletions

diff --git a/arch/powerpc/include/asm/mpic.h b/arch/powerpc/include/asm/mpic.h
index e6fae49e0b7..ba0b2046106 100644
--- a/arch/powerpc/include/asm/mpic.h
+++ b/arch/powerpc/include/asm/mpic.h
@@ -293,6 +293,9 @@ struct mpic
         /* Register access method */
         enum mpic_reg_type      reg_type;
 
+        /* The physical base address of the MPIC */
+        phys_addr_t paddr;
+
         /* The various ioremap'ed bases */
         struct mpic_reg_bank    gregs;
         struct mpic_reg_bank    tmregs;
diff --git a/arch/powerpc/platforms/embedded6xx/holly.c b/arch/powerpc/platforms/embedded6xx/holly.c
index 2e9bcf6444c..d4fb41e29c3 100644
--- a/arch/powerpc/platforms/embedded6xx/holly.c
+++ b/arch/powerpc/platforms/embedded6xx/holly.c
@@ -148,7 +148,6 @@ static void __init holly_setup_arch(void)
 static void __init holly_init_IRQ(void)
 {
         struct mpic *mpic;
-        phys_addr_t mpic_paddr = 0;
         struct device_node *tsi_pic;
 #ifdef CONFIG_PCI
         unsigned int cascade_pci_irq;
@@ -157,20 +156,12 @@ static void __init holly_init_IRQ(void)
 #endif
 
         tsi_pic = of_find_node_by_type(NULL, "open-pic");
-        if (tsi_pic) {
-                unsigned int size;
-                const void *prop = of_get_property(tsi_pic, "reg", &size);
-                mpic_paddr = of_translate_address(tsi_pic, prop);
-        }
-
-        if (mpic_paddr == 0) {
+        if (!tsi_pic) {
                 printk(KERN_ERR "%s: No tsi108 PIC found !\n", __func__);
                 return;
         }
 
-        pr_debug("%s: tsi108 pic phys_addr = 0x%x\n", __func__, (u32) mpic_paddr);
-
-        mpic = mpic_alloc(tsi_pic, mpic_paddr,
+        mpic = mpic_alloc(tsi_pic, 0,
                         MPIC_PRIMARY | MPIC_BIG_ENDIAN | MPIC_WANTS_RESET |
                         MPIC_SPV_EOI | MPIC_NO_PTHROU_DIS | MPIC_REGSET_TSI108,
                         24,
@@ -179,7 +170,7 @@ static void __init holly_init_IRQ(void)
 
         BUG_ON(mpic == NULL);
 
-        mpic_assign_isu(mpic, 0, mpic_paddr + 0x100);
+        mpic_assign_isu(mpic, 0, mpic->paddr + 0x100);
 
         mpic_init(mpic);
 
diff --git a/arch/powerpc/platforms/embedded6xx/linkstation.c b/arch/powerpc/platforms/embedded6xx/linkstation.c
index 244f997de79..72b36850c5e 100644
--- a/arch/powerpc/platforms/embedded6xx/linkstation.c
+++ b/arch/powerpc/platforms/embedded6xx/linkstation.c
@@ -82,28 +82,22 @@ static void __init linkstation_init_IRQ(void)
 {
         struct mpic *mpic;
         struct device_node *dnp;
-        const u32 *prop;
-        int size;
-        phys_addr_t paddr;
 
         dnp = of_find_node_by_type(NULL, "open-pic");
         if (dnp == NULL)
                 return;
 
-        prop = of_get_property(dnp, "reg", &size);
-        paddr = (phys_addr_t)of_translate_address(dnp, prop);
-
-        mpic = mpic_alloc(dnp, paddr, MPIC_PRIMARY | MPIC_WANTS_RESET, 4, 32, " EPIC     ");
+        mpic = mpic_alloc(dnp, 0, MPIC_PRIMARY | MPIC_WANTS_RESET, 4, 32, " EPIC     ");
         BUG_ON(mpic == NULL);
 
         /* PCI IRQs */
-        mpic_assign_isu(mpic, 0, paddr + 0x10200);
+        mpic_assign_isu(mpic, 0, mpic->paddr + 0x10200);
 
         /* I2C */
-        mpic_assign_isu(mpic, 1, paddr + 0x11000);
+        mpic_assign_isu(mpic, 1, mpic->paddr + 0x11000);
 
         /* ttyS0, ttyS1 */
-        mpic_assign_isu(mpic, 2, paddr + 0x11100);
+        mpic_assign_isu(mpic, 2, mpic->paddr + 0x11100);
 
         mpic_init(mpic);
 }
diff --git a/arch/powerpc/platforms/embedded6xx/mpc7448_hpc2.c b/arch/powerpc/platforms/embedded6xx/mpc7448_hpc2.c
index f8f33e16c6b..c8ce204abd2 100644
--- a/arch/powerpc/platforms/embedded6xx/mpc7448_hpc2.c
+++ b/arch/powerpc/platforms/embedded6xx/mpc7448_hpc2.c
@@ -102,7 +102,6 @@ static void __init mpc7448_hpc2_setup_arch(void)
 static void __init mpc7448_hpc2_init_IRQ(void)
 {
         struct mpic *mpic;
-        phys_addr_t mpic_paddr = 0;
         struct device_node *tsi_pic;
 #ifdef CONFIG_PCI
         unsigned int cascade_pci_irq;
@@ -111,21 +110,12 @@ static void __init mpc7448_hpc2_init_IRQ(void)
 #endif
 
         tsi_pic = of_find_node_by_type(NULL, "open-pic");
-        if (tsi_pic) {
-                unsigned int size;
-                const void *prop = of_get_property(tsi_pic, "reg", &size);
-                mpic_paddr = of_translate_address(tsi_pic, prop);
-        }
-
-        if (mpic_paddr == 0) {
+        if (!tsi_pic) {
                 printk("%s: No tsi108 PIC found !\n", __func__);
                 return;
         }
 
-        DBG("%s: tsi108 pic phys_addr = 0x%x\n", __func__,
-            (u32) mpic_paddr);
-
-        mpic = mpic_alloc(tsi_pic, mpic_paddr,
+        mpic = mpic_alloc(tsi_pic, 0,
                         MPIC_PRIMARY | MPIC_BIG_ENDIAN | MPIC_WANTS_RESET |
                         MPIC_SPV_EOI | MPIC_NO_PTHROU_DIS | MPIC_REGSET_TSI108,
                         24,
@@ -134,7 +124,7 @@ static void __init mpc7448_hpc2_init_IRQ(void)
 
         BUG_ON(mpic == NULL);
 
-        mpic_assign_isu(mpic, 0, mpic_paddr + 0x100);
+        mpic_assign_isu(mpic, 0, mpic->paddr + 0x100);
 
         mpic_init(mpic);
 
diff --git a/arch/powerpc/platforms/embedded6xx/storcenter.c b/arch/powerpc/platforms/embedded6xx/storcenter.c
index f1eebcae9bf..084f0fc706b 100644
--- a/arch/powerpc/platforms/embedded6xx/storcenter.c
+++ b/arch/powerpc/platforms/embedded6xx/storcenter.c
@@ -84,22 +84,12 @@ static void __init storcenter_init_IRQ(void)
 {
         struct mpic *mpic;
         struct device_node *dnp;
-        const void *prop;
-        int size;
-        phys_addr_t paddr;
 
         dnp = of_find_node_by_type(NULL, "open-pic");
         if (dnp == NULL)
                 return;
 
-        prop = of_get_property(dnp, "reg", &size);
-        if (prop == NULL) {
-                of_node_put(dnp);
-                return;
-        }
-
-        paddr = (phys_addr_t)of_translate_address(dnp, prop);
-        mpic = mpic_alloc(dnp, paddr, MPIC_PRIMARY | MPIC_WANTS_RESET,
+        mpic = mpic_alloc(dnp, 0, MPIC_PRIMARY | MPIC_WANTS_RESET,
                         16, 32, " OpenPIC  ");
 
         of_node_put(dnp);
@@ -110,8 +100,8 @@ static void __init storcenter_init_IRQ(void)
          * 16 Serial Interrupts followed by 16 Internal Interrupts.
          * I2C is the second internal, so it is at 17, 0x11020.
          */
-        mpic_assign_isu(mpic, 0, paddr + 0x10200);
-        mpic_assign_isu(mpic, 1, paddr + 0x11000);
+        mpic_assign_isu(mpic, 0, mpic->paddr + 0x10200);
+        mpic_assign_isu(mpic, 1, mpic->paddr + 0x11000);
 
         mpic_init(mpic);
 }
diff --git a/arch/powerpc/platforms/pasemi/setup.c b/arch/powerpc/platforms/pasemi/setup.c
index 6f355821055..baf20a91382 100644
--- a/arch/powerpc/platforms/pasemi/setup.c
+++ b/arch/powerpc/platforms/pasemi/setup.c
@@ -234,7 +234,7 @@ static __init void pas_init_IRQ(void)
                           mpic_flags, 0, 0, "PASEMI-OPIC");
         BUG_ON(!mpic);
 
-        mpic_assign_isu(mpic, 0, openpic_addr + 0x10000);
+        mpic_assign_isu(mpic, 0, mpic->paddr + 0x10000);
         mpic_init(mpic);
         /* The NMI/MCK source needs to be prio 15 */
         if (nmiprop) {
diff --git a/arch/powerpc/sysdev/mpic.c b/arch/powerpc/sysdev/mpic.c
index 59564dcaab1..ef721c30f47 100644
--- a/arch/powerpc/sysdev/mpic.c
+++ b/arch/powerpc/sysdev/mpic.c
@@ -1164,6 +1164,7 @@ struct mpic * __init mpic_alloc(struct device_node *node,
                 return NULL;
 
         mpic->name = name;
+        mpic->paddr = phys_addr;
 
         mpic->hc_irq = mpic_irq_chip;
         mpic->hc_irq.name = name;
@@ -1250,8 +1251,8 @@ struct mpic * __init mpic_alloc(struct device_node *node,
 #endif
 
         /* Map the global registers */
-        mpic_map(mpic, node, phys_addr, &mpic->gregs, MPIC_INFO(GREG_BASE), 0x1000);
-        mpic_map(mpic, node, phys_addr, &mpic->tmregs, MPIC_INFO(TIMER_BASE), 0x1000);
+        mpic_map(mpic, node, mpic->paddr, &mpic->gregs, MPIC_INFO(GREG_BASE), 0x1000);
+        mpic_map(mpic, node, mpic->paddr, &mpic->tmregs, MPIC_INFO(TIMER_BASE), 0x1000);
 
         /* Reset */
 
@@ -1306,7 +1307,7 @@ struct mpic * __init mpic_alloc(struct device_node *node,
         for_each_possible_cpu(i) {
                 unsigned int cpu = get_hard_smp_processor_id(i);
 
-                mpic_map(mpic, node, phys_addr, &mpic->cpuregs[cpu],
+                mpic_map(mpic, node, mpic->paddr, &mpic->cpuregs[cpu],
                          MPIC_INFO(CPU_BASE) + cpu * MPIC_INFO(CPU_STRIDE),
                          0x1000);
         }
@@ -1314,7 +1315,7 @@ struct mpic * __init mpic_alloc(struct device_node *node,
         /* Initialize main ISU if none provided */
         if (mpic->isu_size == 0) {
                 mpic->isu_size = mpic->num_sources;
-                mpic_map(mpic, node, phys_addr, &mpic->isus[0],
+                mpic_map(mpic, node, mpic->paddr, &mpic->isus[0],
                          MPIC_INFO(IRQ_BASE), MPIC_INFO(IRQ_STRIDE) * mpic->isu_size);
         }
         mpic->isu_shift = 1 + __ilog2(mpic->isu_size - 1);
@@ -1346,7 +1347,7 @@ struct mpic * __init mpic_alloc(struct device_node *node,
         }
         printk(KERN_INFO "mpic: Setting up MPIC \"%s\" version %s at %llx,"
                " max %d CPUs\n",
-               name, vers, (unsigned long long)phys_addr, num_possible_cpus());
+               name, vers, (unsigned long long)mpic->paddr, num_possible_cpus());
         printk(KERN_INFO "mpic: ISU size: %d, shift: %d, mask: %x\n",
                mpic->isu_size, mpic->isu_shift, mpic->isu_mask);