summaryrefslogtreecommitdiffstats
path: root/arch/arm/mach-footbridge/include/mach/entry-macro.S
diff options
context:
space:
mode:
authorAnton Arapov <anton@redhat.com>2012-04-16 10:05:28 +0200
committerAnton Arapov <anton@redhat.com>2012-04-16 10:05:28 +0200
commitb4b6116a13633898cf868f2f103c96a90c4c20f8 (patch)
tree93d1b7e2cfcdf473d8d4ff3ad141fa864f8491f6 /arch/arm/mach-footbridge/include/mach/entry-macro.S
parentedd4be777c953e5faafc80d091d3084b4343f5d3 (diff)
downloadkernel-uprobes-b4b6116a13633898cf868f2f103c96a90c4c20f8.tar.gz
kernel-uprobes-b4b6116a13633898cf868f2f103c96a90c4c20f8.tar.xz
kernel-uprobes-b4b6116a13633898cf868f2f103c96a90c4c20f8.zip
fedora kernel: d9aad82f3319f3cfd1aebc01234254ef0c37ad84v3.3.2-1
Signed-off-by: Anton Arapov <anton@redhat.com>
Diffstat (limited to 'arch/arm/mach-footbridge/include/mach/entry-macro.S')
-rw-r--r--arch/arm/mach-footbridge/include/mach/entry-macro.S113
1 files changed, 113 insertions, 0 deletions
diff --git a/arch/arm/mach-footbridge/include/mach/entry-macro.S b/arch/arm/mach-footbridge/include/mach/entry-macro.S
new file mode 100644
index 00000000000..d3847be0c66
--- /dev/null
+++ b/arch/arm/mach-footbridge/include/mach/entry-macro.S
@@ -0,0 +1,113 @@
+/*
+ * arch/arm/mach-footbridge/include/mach/entry-macro.S
+ *
+ * Low-level IRQ helper macros for footbridge-based platforms
+ *
+ * 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.
+ */
+#include <mach/hardware.h>
+#include <mach/irqs.h>
+#include <asm/hardware/dec21285.h>
+
+ .equ dc21285_high, ARMCSR_BASE & 0xff000000
+ .equ dc21285_low, ARMCSR_BASE & 0x00ffffff
+
+ .macro disable_fiq
+ .endm
+
+ .macro get_irqnr_preamble, base, tmp
+ mov \base, #dc21285_high
+ .if dc21285_low
+ orr \base, \base, #dc21285_low
+ .endif
+ .endm
+
+ .macro arch_ret_to_user, tmp1, tmp2
+ .endm
+
+ .macro get_irqnr_and_base, irqnr, irqstat, base, tmp
+ ldr \irqstat, [\base, #0x180] @ get interrupts
+
+ mov \irqnr, #IRQ_SDRAMPARITY
+ tst \irqstat, #IRQ_MASK_SDRAMPARITY
+ bne 1001f
+
+ tst \irqstat, #IRQ_MASK_UART_RX
+ movne \irqnr, #IRQ_CONRX
+ bne 1001f
+
+ tst \irqstat, #IRQ_MASK_DMA1
+ movne \irqnr, #IRQ_DMA1
+ bne 1001f
+
+ tst \irqstat, #IRQ_MASK_DMA2
+ movne \irqnr, #IRQ_DMA2
+ bne 1001f
+
+ tst \irqstat, #IRQ_MASK_IN0
+ movne \irqnr, #IRQ_IN0
+ bne 1001f
+
+ tst \irqstat, #IRQ_MASK_IN1
+ movne \irqnr, #IRQ_IN1
+ bne 1001f
+
+ tst \irqstat, #IRQ_MASK_IN2
+ movne \irqnr, #IRQ_IN2
+ bne 1001f
+
+ tst \irqstat, #IRQ_MASK_IN3
+ movne \irqnr, #IRQ_IN3
+ bne 1001f
+
+ tst \irqstat, #IRQ_MASK_PCI
+ movne \irqnr, #IRQ_PCI
+ bne 1001f
+
+ tst \irqstat, #IRQ_MASK_DOORBELLHOST
+ movne \irqnr, #IRQ_DOORBELLHOST
+ bne 1001f
+
+ tst \irqstat, #IRQ_MASK_I2OINPOST
+ movne \irqnr, #IRQ_I2OINPOST
+ bne 1001f
+
+ tst \irqstat, #IRQ_MASK_TIMER1
+ movne \irqnr, #IRQ_TIMER1
+ bne 1001f
+
+ tst \irqstat, #IRQ_MASK_TIMER2
+ movne \irqnr, #IRQ_TIMER2
+ bne 1001f
+
+ tst \irqstat, #IRQ_MASK_TIMER3
+ movne \irqnr, #IRQ_TIMER3
+ bne 1001f
+
+ tst \irqstat, #IRQ_MASK_UART_TX
+ movne \irqnr, #IRQ_CONTX
+ bne 1001f
+
+ tst \irqstat, #IRQ_MASK_PCI_ABORT
+ movne \irqnr, #IRQ_PCI_ABORT
+ bne 1001f
+
+ tst \irqstat, #IRQ_MASK_PCI_SERR
+ movne \irqnr, #IRQ_PCI_SERR
+ bne 1001f
+
+ tst \irqstat, #IRQ_MASK_DISCARD_TIMER
+ movne \irqnr, #IRQ_DISCARD_TIMER
+ bne 1001f
+
+ tst \irqstat, #IRQ_MASK_PCI_DPERR
+ movne \irqnr, #IRQ_PCI_DPERR
+ bne 1001f
+
+ tst \irqstat, #IRQ_MASK_PCI_PERR
+ movne \irqnr, #IRQ_PCI_PERR
+1001:
+ .endm
+