Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/rusty/linux-2.6-cpumask into merge-rr-cpumask

Conflicts:
	arch/x86/kernel/io_apic.c
	kernel/rcuclassic.c
	kernel/sched.c
	kernel/time/tick-sched.c

Signed-off-by: Mike Travis <travis@sgi.com>
[ mingo@elte.hu: backmerged typo fix for io_apic.c ]
Signed-off-by: Ingo Molnar <mingo@elte.hu>

9 files changed, 150 insertions, 12 deletions

diff --git a/arch/arm/mach-kirkwood/common.c b/arch/arm/mach-kirkwood/common.c
index 0bb1fbd84ccb..7b8ef97fb501 100644
--- a/arch/arm/mach-kirkwood/common.c
+++ b/arch/arm/mach-kirkwood/common.c
@@ -57,6 +57,7 @@ void __init kirkwood_map_io(void)
  ****************************************************************************/
 static struct orion_ehci_data kirkwood_ehci_data = {
 	.dram		= &kirkwood_mbus_dram_info,
+	.phy_version	= EHCI_PHY_NA,
 };
 
 static u64 ehci_dmamask = 0xffffffffUL;
@@ -153,6 +154,64 @@ void __init kirkwood_ge00_init(struct mv643xx_eth_platform_data *eth_data)
 
 
 /*****************************************************************************
+ * GE01
+ ****************************************************************************/
+struct mv643xx_eth_shared_platform_data kirkwood_ge01_shared_data = {
+	.dram		= &kirkwood_mbus_dram_info,
+	.shared_smi	= &kirkwood_ge00_shared,
+};
+
+static struct resource kirkwood_ge01_shared_resources[] = {
+	{
+		.name	= "ge01 base",
+		.start	= GE01_PHYS_BASE + 0x2000,
+		.end	= GE01_PHYS_BASE + 0x3fff,
+		.flags	= IORESOURCE_MEM,
+	}, {
+		.name	= "ge01 err irq",
+		.start	= IRQ_KIRKWOOD_GE01_ERR,
+		.end	= IRQ_KIRKWOOD_GE01_ERR,
+		.flags	= IORESOURCE_IRQ,
+	},
+};
+
+static struct platform_device kirkwood_ge01_shared = {
+	.name		= MV643XX_ETH_SHARED_NAME,
+	.id		= 1,
+	.dev		= {
+		.platform_data	= &kirkwood_ge01_shared_data,
+	},
+	.num_resources	= ARRAY_SIZE(kirkwood_ge01_shared_resources),
+	.resource	= kirkwood_ge01_shared_resources,
+};
+
+static struct resource kirkwood_ge01_resources[] = {
+	{
+		.name	= "ge01 irq",
+		.start	= IRQ_KIRKWOOD_GE01_SUM,
+		.end	= IRQ_KIRKWOOD_GE01_SUM,
+		.flags	= IORESOURCE_IRQ,
+	},
+};
+
+static struct platform_device kirkwood_ge01 = {
+	.name		= MV643XX_ETH_NAME,
+	.id		= 1,
+	.num_resources	= 1,
+	.resource	= kirkwood_ge01_resources,
+};
+
+void __init kirkwood_ge01_init(struct mv643xx_eth_platform_data *eth_data)
+{
+	eth_data->shared = &kirkwood_ge01_shared;
+	kirkwood_ge01.dev.platform_data = eth_data;
+
+	platform_device_register(&kirkwood_ge01_shared);
+	platform_device_register(&kirkwood_ge01);
+}
+
+
+/*****************************************************************************
  * Ethernet switch
  ****************************************************************************/
 static struct resource kirkwood_switch_resources[] = {
diff --git a/arch/arm/mach-kirkwood/common.h b/arch/arm/mach-kirkwood/common.h
index 5774632a67e3..fe367c18e722 100644
--- a/arch/arm/mach-kirkwood/common.h
+++ b/arch/arm/mach-kirkwood/common.h
@@ -30,6 +30,7 @@ void kirkwood_pcie_id(u32 *dev, u32 *rev);
 
 void kirkwood_ehci_init(void);
 void kirkwood_ge00_init(struct mv643xx_eth_platform_data *eth_data);
+void kirkwood_ge01_init(struct mv643xx_eth_platform_data *eth_data);
 void kirkwood_ge00_switch_init(struct dsa_platform_data *d, int irq);
 void kirkwood_pcie_init(void);
 void kirkwood_rtc_init(void);
diff --git a/arch/arm/mach-kirkwood/include/mach/dma.h b/arch/arm/mach-kirkwood/include/mach/dma.h
deleted file mode 100644
index 40a8c178f10d..000000000000
--- a/arch/arm/mach-kirkwood/include/mach/dma.h
+++ /dev/null
@@ -1 +0,0 @@
-/* empty */
diff --git a/arch/arm/mach-kirkwood/include/mach/gpio.h b/arch/arm/mach-kirkwood/include/mach/gpio.h
new file mode 100644
index 000000000000..81b335eb62ec
--- /dev/null
+++ b/arch/arm/mach-kirkwood/include/mach/gpio.h
@@ -0,0 +1,38 @@
+/*
+ * arch/asm-arm/mach-kirkwood/include/mach/gpio.h
+ *
+ * This file is licensed under the terms of the GNU General Public
+ * License version 2.  This program is licensed "as is" without any
+ * warranty of any kind, whether express or implied.
+ */
+
+#ifndef __ASM_ARCH_GPIO_H
+#define __ASM_ARCH_GPIO_H
+
+#include <mach/irqs.h>
+#include <plat/gpio.h>
+#include <asm-generic/gpio.h>		/* cansleep wrappers */
+
+#define GPIO_MAX		50
+#define GPIO_OFF(pin)		(((pin) >> 5) ? 0x0140 : 0x0100)
+#define GPIO_OUT(pin)		(DEV_BUS_VIRT_BASE + GPIO_OFF(pin) + 0x00)
+#define GPIO_IO_CONF(pin)	(DEV_BUS_VIRT_BASE + GPIO_OFF(pin) + 0x04)
+#define GPIO_BLINK_EN(pin)	(DEV_BUS_VIRT_BASE + GPIO_OFF(pin) + 0x08)
+#define GPIO_IN_POL(pin)	(DEV_BUS_VIRT_BASE + GPIO_OFF(pin) + 0x0c)
+#define GPIO_DATA_IN(pin)	(DEV_BUS_VIRT_BASE + GPIO_OFF(pin) + 0x10)
+#define GPIO_EDGE_CAUSE(pin)	(DEV_BUS_VIRT_BASE + GPIO_OFF(pin) + 0x14)
+#define GPIO_EDGE_MASK(pin)	(DEV_BUS_VIRT_BASE + GPIO_OFF(pin) + 0x18)
+#define GPIO_LEVEL_MASK(pin)	(DEV_BUS_VIRT_BASE + GPIO_OFF(pin) + 0x1c)
+
+static inline int gpio_to_irq(int pin)
+{
+	return pin + IRQ_KIRKWOOD_GPIO_START;
+}
+
+static inline int irq_to_gpio(int irq)
+{
+	return irq - IRQ_KIRKWOOD_GPIO_START;
+}
+
+
+#endif
diff --git a/arch/arm/mach-kirkwood/include/mach/irqs.h b/arch/arm/mach-kirkwood/include/mach/irqs.h
index ffab89f21c11..f00a0a45a67e 100644
--- a/arch/arm/mach-kirkwood/include/mach/irqs.h
+++ b/arch/arm/mach-kirkwood/include/mach/irqs.h
@@ -11,8 +11,6 @@
 #ifndef __ASM_ARCH_IRQS_H
 #define __ASM_ARCH_IRQS_H
 
-#include "kirkwood.h"	/* need GPIO_MAX */
-
 /*
  * Low Interrupt Controller
  */
@@ -51,12 +49,13 @@
 #define IRQ_KIRKWOOD_GPIO_HIGH_8_15	40
 #define IRQ_KIRKWOOD_GPIO_HIGH_16_23	41
 #define IRQ_KIRKWOOD_GE00_ERR	46
+#define IRQ_KIRKWOOD_GE01_ERR	47
 
 /*
  * KIRKWOOD General Purpose Pins
  */
 #define IRQ_KIRKWOOD_GPIO_START	64
-#define NR_GPIO_IRQS		GPIO_MAX
+#define NR_GPIO_IRQS		50
 
 #define NR_IRQS			(IRQ_KIRKWOOD_GPIO_START + NR_GPIO_IRQS)
 
diff --git a/arch/arm/mach-kirkwood/include/mach/kirkwood.h b/arch/arm/mach-kirkwood/include/mach/kirkwood.h
index eae42406fd86..ada480c0e197 100644
--- a/arch/arm/mach-kirkwood/include/mach/kirkwood.h
+++ b/arch/arm/mach-kirkwood/include/mach/kirkwood.h
@@ -117,7 +117,4 @@
 #define SATA_PHYS_BASE		(KIRKWOOD_REGS_PHYS_BASE | 0x80000)
 
 
-#define GPIO_MAX		50
-
-
 #endif
diff --git a/arch/arm/mach-kirkwood/include/mach/memory.h b/arch/arm/mach-kirkwood/include/mach/memory.h
index b5fb34bdccd5..45431e131465 100644
--- a/arch/arm/mach-kirkwood/include/mach/memory.h
+++ b/arch/arm/mach-kirkwood/include/mach/memory.h
@@ -7,8 +7,4 @@
 
 #define PHYS_OFFSET		UL(0x00000000)
 
-#define __virt_to_bus(x)	__virt_to_phys(x)
-#define __bus_to_virt(x)	__phys_to_virt(x)
-
-
 #endif
diff --git a/arch/arm/mach-kirkwood/irq.c b/arch/arm/mach-kirkwood/irq.c
index 5790643ffe07..efb86b700276 100644
--- a/arch/arm/mach-kirkwood/irq.c
+++ b/arch/arm/mach-kirkwood/irq.c
@@ -13,10 +13,45 @@
 #include <linux/irq.h>
 #include <linux/io.h>
 #include <plat/irq.h>
+#include <asm/gpio.h>
 #include "common.h"
 
+static void gpio_irq_handler(unsigned int irq, struct irq_desc *desc)
+{
+	BUG_ON(irq < IRQ_KIRKWOOD_GPIO_LOW_0_7);
+	BUG_ON(irq > IRQ_KIRKWOOD_GPIO_HIGH_16_23);
+
+	orion_gpio_irq_handler((irq - IRQ_KIRKWOOD_GPIO_LOW_0_7) << 3);
+}
+
 void __init kirkwood_init_irq(void)
 {
+	int i;
+
 	orion_irq_init(0, (void __iomem *)(IRQ_VIRT_BASE + IRQ_MASK_LOW_OFF));
 	orion_irq_init(32, (void __iomem *)(IRQ_VIRT_BASE + IRQ_MASK_HIGH_OFF));
+
+	/*
+	 * Mask and clear GPIO IRQ interrupts.
+	 */
+	writel(0, GPIO_LEVEL_MASK(0));
+	writel(0, GPIO_EDGE_MASK(0));
+	writel(0, GPIO_EDGE_CAUSE(0));
+	writel(0, GPIO_LEVEL_MASK(32));
+	writel(0, GPIO_EDGE_MASK(32));
+	writel(0, GPIO_EDGE_CAUSE(32));
+
+	for (i = IRQ_KIRKWOOD_GPIO_START; i < NR_IRQS; i++) {
+		set_irq_chip(i, &orion_gpio_irq_level_chip);
+		set_irq_handler(i, handle_level_irq);
+		irq_desc[i].status |= IRQ_LEVEL;
+		set_irq_flags(i, IRQF_VALID);
+	}
+	set_irq_chained_handler(IRQ_KIRKWOOD_GPIO_LOW_0_7, gpio_irq_handler);
+	set_irq_chained_handler(IRQ_KIRKWOOD_GPIO_LOW_8_15, gpio_irq_handler);
+	set_irq_chained_handler(IRQ_KIRKWOOD_GPIO_LOW_16_23, gpio_irq_handler);
+	set_irq_chained_handler(IRQ_KIRKWOOD_GPIO_LOW_24_31, gpio_irq_handler);
+	set_irq_chained_handler(IRQ_KIRKWOOD_GPIO_HIGH_0_7, gpio_irq_handler);
+	set_irq_chained_handler(IRQ_KIRKWOOD_GPIO_HIGH_8_15, gpio_irq_handler);
+	set_irq_chained_handler(IRQ_KIRKWOOD_GPIO_HIGH_16_23, gpio_irq_handler);
 }
diff --git a/arch/arm/mach-kirkwood/rd88f6281-setup.c b/arch/arm/mach-kirkwood/rd88f6281-setup.c
index 175054abd630..9a0e905d10cd 100644
--- a/arch/arm/mach-kirkwood/rd88f6281-setup.c
+++ b/arch/arm/mach-kirkwood/rd88f6281-setup.c
@@ -80,24 +80,38 @@ static struct dsa_platform_data rd88f6281_switch_data = {
 	.port_names[1]	= "lan2",
 	.port_names[2]	= "lan3",
 	.port_names[3]	= "lan4",
-	.port_names[4]	= "wan",
 	.port_names[5]	= "cpu",
 };
 
+static struct mv643xx_eth_platform_data rd88f6281_ge01_data = {
+	.phy_addr	= MV643XX_ETH_PHY_ADDR(11),
+};
+
 static struct mv_sata_platform_data rd88f6281_sata_data = {
 	.n_ports	= 2,
 };
 
 static void __init rd88f6281_init(void)
 {
+	u32 dev, rev;
+
 	/*
 	 * Basic setup. Needs to be called early.
 	 */
 	kirkwood_init();
 
 	kirkwood_ehci_init();
+
 	kirkwood_ge00_init(&rd88f6281_ge00_data);
+	kirkwood_pcie_id(&dev, &rev);
+	if (rev == MV88F6281_REV_A0) {
+		rd88f6281_switch_data.sw_addr = 10;
+		kirkwood_ge01_init(&rd88f6281_ge01_data);
+	} else {
+		rd88f6281_switch_data.port_names[4] = "wan";
+	}
 	kirkwood_ge00_switch_init(&rd88f6281_switch_data, NO_IRQ);
+
 	kirkwood_rtc_init();
 	kirkwood_sata_init(&rd88f6281_sata_data);
 	kirkwood_uart0_init();