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