8 files changed, 64 insertions, 5 deletions

diff --git a/arch/powerpc/platforms/40x/walnut.c b/arch/powerpc/platforms/40x/walnut.c
index eb0c136b1c44..ff6db2431798 100644
--- a/arch/powerpc/platforms/40x/walnut.c
+++ b/arch/powerpc/platforms/40x/walnut.c
@@ -17,12 +17,13 @@
  */
 
 #include <linux/init.h>
+#include <linux/of_platform.h>
+
 #include <asm/machdep.h>
 #include <asm/prom.h>
 #include <asm/udbg.h>
 #include <asm/time.h>
 #include <asm/uic.h>
-#include <asm/of_platform.h>
 
 static struct of_device_id walnut_of_bus[] = {
         { .compatible = "ibm,plb3", },
diff --git a/arch/powerpc/platforms/44x/bamboo.c b/arch/powerpc/platforms/44x/bamboo.c
index 470e1a3fd755..be23f112184f 100644
--- a/arch/powerpc/platforms/44x/bamboo.c
+++ b/arch/powerpc/platforms/44x/bamboo.c
@@ -14,12 +14,13 @@
  * option) any later version.
  */
 #include <linux/init.h>
+#include <linux/of_platform.h>
+
 #include <asm/machdep.h>
 #include <asm/prom.h>
 #include <asm/udbg.h>
 #include <asm/time.h>
 #include <asm/uic.h>
-#include <asm/of_platform.h>
 #include "44x.h"
 
 static struct of_device_id bamboo_of_bus[] = {
diff --git a/arch/powerpc/platforms/44x/ebony.c b/arch/powerpc/platforms/44x/ebony.c
index 40e18fcb666c..6cd3476767cc 100644
--- a/arch/powerpc/platforms/44x/ebony.c
+++ b/arch/powerpc/platforms/44x/ebony.c
@@ -17,12 +17,13 @@
  */
 
 #include <linux/init.h>
+#include <linux/of_platform.h>
+
 #include <asm/machdep.h>
 #include <asm/prom.h>
 #include <asm/udbg.h>
 #include <asm/time.h>
 #include <asm/uic.h>
-#include <asm/of_platform.h>
 
 #include "44x.h"
 
diff --git a/arch/powerpc/platforms/44x/sequoia.c b/arch/powerpc/platforms/44x/sequoia.c
index 30700b31d43b..21a9dd14f297 100644
--- a/arch/powerpc/platforms/44x/sequoia.c
+++ b/arch/powerpc/platforms/44x/sequoia.c
@@ -14,12 +14,13 @@
  * option) any later version.
  */
 #include <linux/init.h>
+#include <linux/of_platform.h>
+
 #include <asm/machdep.h>
 #include <asm/prom.h>
 #include <asm/udbg.h>
 #include <asm/time.h>
 #include <asm/uic.h>
-#include <asm/of_platform.h>
 #include "44x.h"
 
 static struct of_device_id sequoia_of_bus[] = {
diff --git a/arch/powerpc/sysdev/uic.c b/arch/powerpc/sysdev/uic.c
index 5149716c734d..847a5496b869 100644
--- a/arch/powerpc/sysdev/uic.c
+++ b/arch/powerpc/sysdev/uic.c
@@ -97,6 +97,22 @@ static void uic_ack_irq(unsigned int virq)
         spin_unlock_irqrestore(&uic->lock, flags);
 }
 
+static void uic_mask_ack_irq(unsigned int virq)
+{
+        struct uic *uic = get_irq_chip_data(virq);
+        unsigned int src = uic_irq_to_hw(virq);
+        unsigned long flags;
+        u32 er, sr;
+
+        sr = 1 << (31-src);
+        spin_lock_irqsave(&uic->lock, flags);
+        er = mfdcr(uic->dcrbase + UIC_ER);
+        er &= ~sr;
+        mtdcr(uic->dcrbase + UIC_ER, er);
+        mtdcr(uic->dcrbase + UIC_SR, sr);
+        spin_unlock_irqrestore(&uic->lock, flags);
+}
+
 static int uic_set_irq_type(unsigned int virq, unsigned int flow_type)
 {
         struct uic *uic = get_irq_chip_data(virq);
@@ -152,7 +168,7 @@ static struct irq_chip uic_irq_chip = {
         .typename       = " UIC  ",
         .unmask         = uic_unmask_irq,
         .mask           = uic_mask_irq,
-/*      .mask_ack       = uic_mask_irq_and_ack, */
+        .mask_ack       = uic_mask_ack_irq,
         .ack            = uic_ack_irq,
         .set_type       = uic_set_irq_type,
 };
diff --git a/arch/ppc/kernel/setup.c b/arch/ppc/kernel/setup.c
index aac88c2f3db9..5255bd80aa6b 100644
--- a/arch/ppc/kernel/setup.c
+++ b/arch/ppc/kernel/setup.c
@@ -312,7 +312,14 @@ early_init(int r3, int r4, int r5)
          * Identify the CPU type and fix up code sections
          * that depend on which cpu we have.
          */
+#if defined(CONFIG_440EP) && defined(CONFIG_PPC_FPU)
+        /* We pass the virtual PVR here for 440EP as 440EP and 440GR have
+         * identical PVRs and there is no reliable way to check for the FPU
+         */
+        spec = identify_cpu(offset, (mfspr(SPRN_PVR) | 0x8));
+#else
         spec = identify_cpu(offset, mfspr(SPRN_PVR));
+#endif
         do_feature_fixups(spec->cpu_features,
                           PTRRELOC(&__start___ftr_fixup),
                           PTRRELOC(&__stop___ftr_fixup));
diff --git a/arch/ppc/platforms/4xx/yucca.c b/arch/ppc/platforms/4xx/yucca.c
index a83b0baea011..66a44ff0d926 100644
--- a/arch/ppc/platforms/4xx/yucca.c
+++ b/arch/ppc/platforms/4xx/yucca.c
@@ -211,6 +211,7 @@ static void __init yucca_setup_pcie_fpga_rootpoint(int port)
                 break;
 
         default:
+                iounmap(pcie_reg_fpga_base);
                 return;
         }
 
diff --git a/arch/ppc/syslib/virtex_devices.c b/arch/ppc/syslib/virtex_devices.c
index ace4ec08de51..f658ff3b3890 100644
--- a/arch/ppc/syslib/virtex_devices.c
+++ b/arch/ppc/syslib/virtex_devices.c
@@ -87,6 +87,29 @@
         }, \
 }
 
+#define XPAR_AC97_CONTROLLER_REFERENCE(num) { \
+        .name = "ml403_ac97cr", \
+        .id = num, \
+        .num_resources = 3, \
+        .resource = (struct resource[]) { \
+                { \
+                        .start = XPAR_OPB_AC97_CONTROLLER_REF_##num##_BASEADDR, \
+                        .end = XPAR_OPB_AC97_CONTROLLER_REF_##num##_HIGHADDR, \
+                        .flags = IORESOURCE_MEM, \
+                }, \
+                { \
+                        .start = XPAR_OPB_INTC_0_OPB_AC97_CONTROLLER_REF_##num##_PLAYBACK_INTERRUPT_INTR, \
+                        .end = XPAR_OPB_INTC_0_OPB_AC97_CONTROLLER_REF_##num##_PLAYBACK_INTERRUPT_INTR, \
+                        .flags = IORESOURCE_IRQ, \
+                }, \
+                { \
+                        .start = XPAR_OPB_INTC_0_OPB_AC97_CONTROLLER_REF_##num##_RECORD_INTERRUPT_INTR, \
+                        .end = XPAR_OPB_INTC_0_OPB_AC97_CONTROLLER_REF_##num##_RECORD_INTERRUPT_INTR, \
+                        .flags = IORESOURCE_IRQ, \
+                }, \
+        }, \
+}
+
 /* UART 8250 driver platform data table */
 struct plat_serial8250_port virtex_serial_platform_data[] = {
 #if defined(XPAR_UARTNS550_0_BASEADDR)
@@ -173,6 +196,14 @@ struct platform_device virtex_platform_devices[] = {
 #if defined(XPAR_TFT_3_BASEADDR)
         XPAR_TFT(3),
 #endif
+
+        /* AC97 Controller Reference instances */
+#if defined(XPAR_OPB_AC97_CONTROLLER_REF_0_BASEADDR)
+        XPAR_AC97_CONTROLLER_REFERENCE(0),
+#endif
+#if defined(XPAR_OPB_AC97_CONTROLLER_REF_1_BASEADDR)
+        XPAR_AC97_CONTROLLER_REFERENCE(1),
+#endif
 };
 
 /* Early serial support functions */