7 files changed, 90 insertions, 37 deletions

diff --git a/arch/sparc/Kconfig b/arch/sparc/Kconfig
index 6537445dac0e..f7c51b869049 100644
--- a/arch/sparc/Kconfig
+++ b/arch/sparc/Kconfig
@@ -21,6 +21,10 @@ config GENERIC_ISA_DMA
         bool
         default y
 
+config GENERIC_IOMAP
+        bool
+        default y
+
 source "init/Kconfig"
 
 menu "General machine setup"
diff --git a/arch/sparc/defconfig b/arch/sparc/defconfig
index a69856263009..8a3aef1e22f5 100644
--- a/arch/sparc/defconfig
+++ b/arch/sparc/defconfig
@@ -5,6 +5,7 @@ CONFIG_MMU=y
 CONFIG_UID16=y
 CONFIG_HIGHMEM=y
 CONFIG_GENERIC_ISA_DMA=y
+CONFIG_GENERIC_IOMAP=y
 
 #
 # Code maturity level options
diff --git a/arch/sparc64/kernel/entry.S b/arch/sparc64/kernel/entry.S
index f685035dbdb8..11a848402fb1 100644
--- a/arch/sparc64/kernel/entry.S
+++ b/arch/sparc64/kernel/entry.S
@@ -33,7 +33,7 @@
         /* This is trivial with the new code... */
         .globl          do_fpdis
 do_fpdis:
-        sethi           %hi(TSTATE_PEF), %g4                                    ! IEU0
+        sethi           %hi(TSTATE_PEF), %g4
         rdpr            %tstate, %g5
         andcc           %g5, %g4, %g0
         be,pt           %xcc, 1f
@@ -50,18 +50,18 @@ do_fpdis:
         add             %g0, %g0, %g0
         ba,a,pt         %xcc, rtrap_clr_l6
 
-1:      ldub            [%g6 + TI_FPSAVED], %g5                                 ! Load  Group
-        wr              %g0, FPRS_FEF, %fprs                                    ! LSU   Group+4bubbles
-        andcc           %g5, FPRS_FEF, %g0                                      ! IEU1  Group
-        be,a,pt         %icc, 1f                                                ! CTI
-         clr            %g7                                                     ! IEU0
-        ldx             [%g6 + TI_GSR], %g7                                     ! Load  Group
-1:      andcc           %g5, FPRS_DL, %g0                                       ! IEU1
-        bne,pn          %icc, 2f                                                ! CTI
-         fzero          %f0                                                     ! FPA
-        andcc           %g5, FPRS_DU, %g0                                       ! IEU1  Group
-        bne,pn          %icc, 1f                                                ! CTI
-         fzero          %f2                                                     ! FPA
+1:      ldub            [%g6 + TI_FPSAVED], %g5
+        wr              %g0, FPRS_FEF, %fprs
+        andcc           %g5, FPRS_FEF, %g0
+        be,a,pt         %icc, 1f
+         clr            %g7
+        ldx             [%g6 + TI_GSR], %g7
+1:      andcc           %g5, FPRS_DL, %g0
+        bne,pn          %icc, 2f
+         fzero          %f0
+        andcc           %g5, FPRS_DU, %g0
+        bne,pn          %icc, 1f
+         fzero          %f2
         faddd           %f0, %f2, %f4
         fmuld           %f0, %f2, %f6
         faddd           %f0, %f2, %f8
@@ -104,8 +104,10 @@ do_fpdis:
         add             %g6, TI_FPREGS + 0xc0, %g2
         faddd           %f0, %f2, %f8
         fmuld           %f0, %f2, %f10
-        ldda            [%g1] ASI_BLK_S, %f32   ! grrr, where is ASI_BLK_NUCLEUS 8-(
+        membar          #Sync
+        ldda            [%g1] ASI_BLK_S, %f32
         ldda            [%g2] ASI_BLK_S, %f48
+        membar          #Sync
         faddd           %f0, %f2, %f12
         fmuld           %f0, %f2, %f14
         faddd           %f0, %f2, %f16
@@ -116,7 +118,6 @@ do_fpdis:
         fmuld           %f0, %f2, %f26
         faddd           %f0, %f2, %f28
         fmuld           %f0, %f2, %f30
-        membar          #Sync
         b,pt            %xcc, fpdis_exit
          nop
 2:      andcc           %g5, FPRS_DU, %g0
@@ -133,8 +134,10 @@ do_fpdis:
         add             %g6, TI_FPREGS + 0x40, %g2
         faddd           %f32, %f34, %f36
         fmuld           %f32, %f34, %f38
-        ldda            [%g1] ASI_BLK_S, %f0    ! grrr, where is ASI_BLK_NUCLEUS 8-(
+        membar          #Sync
+        ldda            [%g1] ASI_BLK_S, %f0
         ldda            [%g2] ASI_BLK_S, %f16
+        membar          #Sync
         faddd           %f32, %f34, %f40
         fmuld           %f32, %f34, %f42
         faddd           %f32, %f34, %f44
@@ -147,7 +150,6 @@ do_fpdis:
         fmuld           %f32, %f34, %f58
         faddd           %f32, %f34, %f60
         fmuld           %f32, %f34, %f62
-        membar          #Sync
         ba,pt           %xcc, fpdis_exit
          nop
 3:      mov             SECONDARY_CONTEXT, %g3
@@ -158,7 +160,8 @@ do_fpdis:
         stxa            %g2, [%g3] ASI_DMMU
         membar          #Sync
         mov             0x40, %g2
-        ldda            [%g1] ASI_BLK_S, %f0            ! grrr, where is ASI_BLK_NUCLEUS 8-(
+        membar          #Sync
+        ldda            [%g1] ASI_BLK_S, %f0
         ldda            [%g1 + %g2] ASI_BLK_S, %f16
         add             %g1, 0x80, %g1
         ldda            [%g1] ASI_BLK_S, %f32
diff --git a/arch/sparc64/kernel/power.c b/arch/sparc64/kernel/power.c
index 946cee0257ea..9e8362ea3104 100644
--- a/arch/sparc64/kernel/power.c
+++ b/arch/sparc64/kernel/power.c
@@ -17,6 +17,7 @@
 
 #include <asm/system.h>
 #include <asm/ebus.h>
+#include <asm/isa.h>
 #include <asm/auxio.h>
 
 #include <linux/unistd.h>
@@ -100,46 +101,83 @@ again:
         return 0;
 }
 
-static int __init has_button_interrupt(struct linux_ebus_device *edev)
+static int __init has_button_interrupt(unsigned int irq, int prom_node)
 {
-        if (edev->irqs[0] == PCI_IRQ_NONE)
+        if (irq == PCI_IRQ_NONE)
                 return 0;
-        if (!prom_node_has_property(edev->prom_node, "button"))
+        if (!prom_node_has_property(prom_node, "button"))
                 return 0;
 
         return 1;
 }
 
-void __init power_init(void)
+static int __init power_probe_ebus(struct resource **resp, unsigned int *irq_p, int *prom_node_p)
 {
         struct linux_ebus *ebus;
         struct linux_ebus_device *edev;
+
+        for_each_ebus(ebus) {
+                for_each_ebusdev(edev, ebus) {
+                        if (!strcmp(edev->prom_name, "power")) {
+                                *resp = &edev->resource[0];
+                                *irq_p = edev->irqs[0];
+                                *prom_node_p = edev->prom_node;
+                                return 0;
+                        }
+                }
+        }
+        return -ENODEV;
+}
+
+static int __init power_probe_isa(struct resource **resp, unsigned int *irq_p, int *prom_node_p)
+{
+        struct sparc_isa_bridge *isa_bus;
+        struct sparc_isa_device *isa_dev;
+
+        for_each_isa(isa_bus) {
+                for_each_isadev(isa_dev, isa_bus) {
+                        if (!strcmp(isa_dev->prom_name, "power")) {
+                                *resp = &isa_dev->resource;
+                                *irq_p = isa_dev->irq;
+                                *prom_node_p = isa_dev->prom_node;
+                                return 0;
+                        }
+                }
+        }
+        return -ENODEV;
+}
+
+void __init power_init(void)
+{
+        struct resource *res = NULL;
+        unsigned int irq;
+        int prom_node;
         static int invoked;
 
         if (invoked)
                 return;
         invoked = 1;
 
-        for_each_ebus(ebus) {
-                for_each_ebusdev(edev, ebus) {
-                        if (!strcmp(edev->prom_name, "power"))
-                                goto found;
-                }
-        }
+        if (!power_probe_ebus(&res, &irq, &prom_node))
+                goto found;
+
+        if (!power_probe_isa(&res, &irq, &prom_node))
+                goto found;
+
         return;
 
 found:
-        power_reg = ioremap(edev->resource[0].start, 0x4);
+        power_reg = ioremap(res->start, 0x4);
         printk("power: Control reg at %p ... ", power_reg);
         poweroff_method = machine_halt;  /* able to use the standard halt */
-        if (has_button_interrupt(edev)) {
+        if (has_button_interrupt(irq, prom_node)) {
                 if (kernel_thread(powerd, NULL, CLONE_FS) < 0) {
                         printk("Failed to start power daemon.\n");
                         return;
                 }
                 printk("powerd running.\n");
 
-                if (request_irq(edev->irqs[0],
+                if (request_irq(irq,
                                 power_handler, SA_SHIRQ, "power", NULL) < 0)
                         printk("power: Error, cannot register IRQ handler.\n");
         } else {
diff --git a/arch/sparc64/kernel/rtrap.S b/arch/sparc64/kernel/rtrap.S
index ecfb42a69a44..090dcca00d2a 100644
--- a/arch/sparc64/kernel/rtrap.S
+++ b/arch/sparc64/kernel/rtrap.S
@@ -312,32 +312,33 @@ kern_fpucheck:	ldub			[%g6 + TI_FPDEPTH], %l5
                 wr                      %g1, FPRS_FEF, %fprs
                 ldx                     [%o1 + %o5], %g1
                 add                     %g6, TI_XFSR, %o1
-                membar                  #StoreLoad | #LoadLoad
                 sll                     %o0, 8, %o2
                 add                     %g6, TI_FPREGS, %o3
                 brz,pn                  %l6, 1f
                  add                    %g6, TI_FPREGS+0x40, %o4
 
+                membar                  #Sync
                 ldda                    [%o3 + %o2] ASI_BLK_P, %f0
                 ldda                    [%o4 + %o2] ASI_BLK_P, %f16
+                membar                  #Sync
 1:              andcc                   %l2, FPRS_DU, %g0
                 be,pn                   %icc, 1f
                  wr                     %g1, 0, %gsr
                 add                     %o2, 0x80, %o2
+                membar                  #Sync
                 ldda                    [%o3 + %o2] ASI_BLK_P, %f32
                 ldda                    [%o4 + %o2] ASI_BLK_P, %f48
-
 1:              membar                  #Sync
                 ldx                     [%o1 + %o5], %fsr
 2:              stb                     %l5, [%g6 + TI_FPDEPTH]
                 ba,pt                   %xcc, rt_continue
                  nop
 5:              wr                      %g0, FPRS_FEF, %fprs
-                membar                  #StoreLoad | #LoadLoad
                 sll                     %o0, 8, %o2
 
                 add                     %g6, TI_FPREGS+0x80, %o3
                 add                     %g6, TI_FPREGS+0xc0, %o4
+                membar                  #Sync
                 ldda                    [%o3 + %o2] ASI_BLK_P, %f32
                 ldda                    [%o4 + %o2] ASI_BLK_P, %f48
                 membar                  #Sync
diff --git a/arch/sparc64/lib/VISsave.S b/arch/sparc64/lib/VISsave.S
index 4e18989bd602..a0ded5c5aa5c 100644
--- a/arch/sparc64/lib/VISsave.S
+++ b/arch/sparc64/lib/VISsave.S
@@ -59,15 +59,17 @@ vis1:	ldub		[%g6 + TI_FPSAVED], %g3
         be,pn           %icc, 9b
          add            %g6, TI_FPREGS, %g2
         andcc           %o5, FPRS_DL, %g0
-        membar          #StoreStore | #LoadStore
 
         be,pn           %icc, 4f
          add            %g6, TI_FPREGS+0x40, %g3
+        membar          #Sync
         stda            %f0, [%g2 + %g1] ASI_BLK_P
         stda            %f16, [%g3 + %g1] ASI_BLK_P
+        membar          #Sync
         andcc           %o5, FPRS_DU, %g0
         be,pn           %icc, 5f
 4:       add            %g1, 128, %g1
+        membar          #Sync
         stda            %f32, [%g2 + %g1] ASI_BLK_P
 
         stda            %f48, [%g3 + %g1] ASI_BLK_P
@@ -87,7 +89,7 @@ vis1:	ldub		[%g6 + TI_FPSAVED], %g3
         sll             %g1, 5, %g1
         add             %g6, TI_FPREGS+0xc0, %g3
         wr              %g0, FPRS_FEF, %fprs
-        membar          #StoreStore | #LoadStore
+        membar          #Sync
         stda            %f32, [%g2 + %g1] ASI_BLK_P
         stda            %f48, [%g3 + %g1] ASI_BLK_P
         membar          #Sync
@@ -128,8 +130,8 @@ VISenterhalf:
         be,pn           %icc, 4f
          add            %g6, TI_FPREGS, %g2
 
-        membar          #StoreStore | #LoadStore
         add             %g6, TI_FPREGS+0x40, %g3
+        membar          #Sync
         stda            %f0, [%g2 + %g1] ASI_BLK_P
         stda            %f16, [%g3 + %g1] ASI_BLK_P
         membar          #Sync
diff --git a/drivers/video/p9100.c b/drivers/video/p9100.c
index 7808a01493ad..b76a5a9a125b 100644
--- a/drivers/video/p9100.c
+++ b/drivers/video/p9100.c
@@ -288,6 +288,9 @@ static void p9100_init_one(struct sbus_dev *sdev)
         all->par.physbase = sdev->reg_addrs[2].phys_addr;
 
         sbusfb_fill_var(&all->info.var, sdev->prom_node, 8);
+        all->info.var.red.length = 8;
+        all->info.var.green.length = 8;
+        all->info.var.blue.length = 8;
 
         linebytes = prom_getintdefault(sdev->prom_node, "linebytes",
                                        all->info.var.xres);
@@ -323,6 +326,7 @@ static void p9100_init_one(struct sbus_dev *sdev)
                 kfree(all);
                 return;
         }
+        fb_set_cmap(&all->info.cmap, &all->info);
 
         list_add(&all->list, &p9100_list);