1 files changed, 105 insertions, 0 deletions

diff --git a/include/asm-arm/arch-ebsa285/entry-macro.S b/include/asm-arm/arch-ebsa285/entry-macro.S
new file mode 100644
index 000000000000..db5729ff6349
--- /dev/null
+++ b/include/asm-arm/arch-ebsa285/entry-macro.S
@@ -0,0 +1,105 @@
+/*
+ * include/asm-arm/arch-footbridge/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 <asm/hardware/dec21285.h>
+
+                .macro  disable_fiq
+                .endm
+
+                .equ    dc21285_high, ARMCSR_BASE & 0xff000000
+                .equ    dc21285_low, ARMCSR_BASE & 0x00ffffff
+
+                .macro  get_irqnr_and_base, irqnr, irqstat, base, tmp
+                mov     r4, #dc21285_high
+                .if     dc21285_low
+                orr     r4, r4, #dc21285_low
+                .endif
+                ldr     \irqstat, [r4, #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
+