8 files changed, 64 insertions, 5 deletions
diff --git a/arch/powerpc/platforms/40x/walnut.c b/arch/powerpc/platforms/40x/walnut.c
index eb0c136b1c4..ff6db243179 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 470e1a3fd75..be23f112184 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 40e18fcb666..6cd3476767c 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 30700b31d43..21a9dd14f29 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 5149716c734..847a5496b86 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 aac88c2f3db..5255bd80aa6 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 a83b0baea01..66a44ff0d92 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 ace4ec08de5..f658ff3b389 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 */