Merge master.kernel.org:/home/rmk/linux-2.6-arm

4 files changed, 114 insertions, 0 deletions

diff --git a/include/asm-arm/arch-realview/entry-macro.S b/include/asm-arm/arch-realview/entry-macro.S
index 2712ba77bb3a..4df469bf42e2 100644
--- a/include/asm-arm/arch-realview/entry-macro.S
+++ b/include/asm-arm/arch-realview/entry-macro.S
@@ -47,3 +47,17 @@
 		cmpcs	\irqnr, \irqnr
 
 		.endm
+
+		/* We assume that irqstat (the raw value of the IRQ acknowledge
+		 * register) is preserved from the macro above.
+		 * If there is an IPI, we immediately signal end of interrupt on the
+		 * controller, since this requires the original irqstat value which
+		 * we won't easily be able to recreate later.
+		 */
+
+		.macro test_for_ipi, irqnr, irqstat, base, tmp
+		bic	\irqnr, \irqstat, #0x1c00
+		cmp	\irqnr, #16
+		strcc	\irqstat, [\base, #GIC_CPU_EOI]
+		cmpcs	\irqnr, \irqnr
+		.endm
diff --git a/include/asm-arm/arch-realview/platform.h b/include/asm-arm/arch-realview/platform.h
index 4b6de13a6b9a..aef9b36b3c37 100644
--- a/include/asm-arm/arch-realview/platform.h
+++ b/include/asm-arm/arch-realview/platform.h
@@ -203,8 +203,14 @@
 	/* Reserved 0x1001A000 - 0x1001FFFF */
 #define REALVIEW_CLCD_BASE            0x10020000	/* CLCD */
 #define REALVIEW_DMAC_BASE            0x10030000	/* DMA controller */
+#ifndef CONFIG_REALVIEW_MPCORE
 #define REALVIEW_GIC_CPU_BASE         0x10040000	/* Generic interrupt controller CPU interface */
 #define REALVIEW_GIC_DIST_BASE        0x10041000	/* Generic interrupt controller distributor */
+#else
+#define REALVIEW_MPCORE_SCU_BASE	0x10100000	/*  SCU registers */
+#define REALVIEW_GIC_CPU_BASE		0x10100100	/* Generic interrupt controller CPU interface */
+#define REALVIEW_GIC_DIST_BASE		0x10101000	/* Generic interrupt controller distributor */
+#endif
 #define REALVIEW_SMC_BASE             0x10080000	/* SMC */
 	/* Reserved 0x10090000 - 0x100EFFFF */
 
@@ -265,6 +271,7 @@
  *  Interrupts - bit assignment (primary)
  * ------------------------------------------------------------------------
  */
+#ifndef CONFIG_REALVIEW_MPCORE
 #define INT_WDOGINT			0	/* Watchdog timer */
 #define INT_SOFTINT			1	/* Software interrupt */
 #define INT_COMMRx			2	/* Debug Comm Rx interrupt */
@@ -297,6 +304,55 @@
 #define INT_USB				29	/* USB controller */
 #define INT_TSPENINT			30	/* Touchscreen pen */
 #define INT_TSKPADINT			31	/* Touchscreen keypad */
+#else
+#define INT_LOCALTIMER			29
+#define INT_LOCALWDOG			30
+
+#define INT_AACI			0
+#define INT_TIMERINT0_1			1
+#define INT_TIMERINT2_3			2
+#define INT_USB				3
+#define INT_UARTINT0			4
+#define INT_UARTINT1			5
+#define INT_RTCINT			6
+#define INT_KMI0			7
+#define INT_KMI1			8
+#define INT_ETH				9
+#define INT_EB_IRQ1			10	/* main GIC */
+#define INT_EB_IRQ2			11	/* tile GIC */
+#define INT_EB_FIQ1			12	/* main GIC */
+#define INT_EB_FIQ2			13	/* tile GIC */
+#define INT_MMCI0A			14
+#define INT_MMCI0B			15
+
+#define INT_PMU_CPU0			17
+#define INT_PMU_CPU1			18
+#define INT_PMU_CPU2			19
+#define INT_PMU_CPU3			20
+#define INT_PMU_SCU0			21
+#define INT_PMU_SCU1			22
+#define INT_PMU_SCU2			23
+#define INT_PMU_SCU3			24
+#define INT_PMU_SCU4			25
+#define INT_PMU_SCU5			26
+#define INT_PMU_SCU6			27
+#define INT_PMU_SCU7			28
+
+#define INT_L220_EVENT			29
+#define INT_L220_SLAVE			30
+#define INT_L220_DECODE			31
+
+#define INT_UARTINT2			-1
+#define INT_UARTINT3			-1
+#define INT_CLCDINT			-1
+#define INT_DMAINT			-1
+#define INT_WDOGINT			-1
+#define INT_GPIOINT0			-1
+#define INT_GPIOINT1			-1
+#define INT_GPIOINT2			-1
+#define INT_SCIINT			-1
+#define INT_SSPINT			-1
+#endif
 
 /* 
  *  Interrupt bit positions
diff --git a/include/asm-arm/arch-realview/smp.h b/include/asm-arm/arch-realview/smp.h
new file mode 100644
index 000000000000..fc87783e8e8b
--- /dev/null
+++ b/include/asm-arm/arch-realview/smp.h
@@ -0,0 +1,31 @@
+#ifndef ASMARM_ARCH_SMP_H
+#define ASMARM_ARCH_SMP_H
+
+#include <linux/config.h>
+
+#include <asm/hardware/gic.h>
+
+#define hard_smp_processor_id()			\
+	({						\
+		unsigned int cpunum;			\
+		__asm__("mrc p15, 0, %0, c0, c0, 5"	\
+			: "=r" (cpunum));		\
+		cpunum &= 0x0F;				\
+	})
+
+/*
+ * We use IRQ1 as the IPI
+ */
+static inline void smp_cross_call(cpumask_t callmap)
+{
+	gic_raise_softirq(callmap, 1);
+}
+
+/*
+ * Do nothing on MPcore.
+ */
+static inline void smp_cross_call_done(cpumask_t callmap)
+{
+}
+
+#endif
diff --git a/include/asm-arm/hardware/arm_scu.h b/include/asm-arm/hardware/arm_scu.h
new file mode 100644
index 000000000000..9903f60c84b7
--- /dev/null
+++ b/include/asm-arm/hardware/arm_scu.h
@@ -0,0 +1,13 @@
+#ifndef ASMARM_HARDWARE_ARM_SCU_H
+#define ASMARM_HARDWARE_ARM_SCU_H
+
+/*
+ * SCU registers
+ */
+#define SCU_CTRL		0x00
+#define SCU_CONFIG		0x04
+#define SCU_CPU_STATUS		0x08
+#define SCU_INVALIDATE		0x0c
+#define SCU_FPGA_REVISION	0x10
+
+#endif