1 files changed, 86 insertions, 0 deletions
diff --git a/arch/arm/mach-bcmring/include/mach/entry-macro.S b/arch/arm/mach-bcmring/include/mach/entry-macro.S
new file mode 100644
index 00000000000..7d393ca010a
--- /dev/null
+++ b/arch/arm/mach-bcmring/include/mach/entry-macro.S
@@ -0,0 +1,86 @@
+/*****************************************************************************
+* Copyright 2006 - 2008 Broadcom Corporation.  All rights reserved.
+*
+* Unless you and Broadcom execute a separate written software license
+* agreement governing use of this software, this software is licensed to you
+* under the terms of the GNU General Public License version 2, available at
+* http://www.broadcom.com/licenses/GPLv2.php (the "GPL").
+*
+* Notwithstanding the above, under no circumstances may you combine this
+* software in any way with any other Broadcom software provided under a
+* license other than the GPL, without Broadcom's express prior written
+* consent.
+*****************************************************************************/
+
+/*
+ *
+ * Low-level IRQ helper macros for BCMRing-based platforms
+ *
+ */
+#include <mach/irqs.h>
+#include <mach/hardware.h>
+#include <mach/csp/mm_io.h>
+
+		.macro	disable_fiq
+		.endm
+
+		.macro	get_irqnr_and_base, irqnr, irqstat, base, tmp
+		ldr	\base, =(MM_IO_BASE_INTC0)
+		ldr	\irqstat, [\base, #0]		@ get status
+                ldr     \irqnr, [\base, #0x10]          @ mask with enable register
+                ands    \irqstat, \irqstat, \irqnr
+		mov	\irqnr, #IRQ_INTC0_START
+		cmp	\irqstat, #0
+		bne	1001f
+
+		ldr	\base, =(MM_IO_BASE_INTC1)
+		ldr	\irqstat, [\base, #0]		@ get status
+                ldr     \irqnr, [\base, #0x10]          @ mask with enable register
+                ands    \irqstat, \irqstat, \irqnr
+		mov	\irqnr, #IRQ_INTC1_START
+		cmp	\irqstat, #0
+		bne	1001f
+
+		ldr	\base, =(MM_IO_BASE_SINTC)
+		ldr	\irqstat, [\base, #0]		@ get status
+                ldr     \irqnr, [\base, #0x10]          @ mask with enable register
+                ands    \irqstat, \irqstat, \irqnr
+		mov	\irqnr, #0xffffffff             @ code meaning no interrupt bits set
+		cmp	\irqstat, #0
+		beq	1002f
+
+		mov	\irqnr, #IRQ_SINTC_START        @ something is set, so fixup return value
+
+1001:
+		movs	\tmp, \irqstat, lsl #16
+		movne	\irqstat, \tmp
+		addeq	\irqnr, \irqnr, #16
+
+		movs	\tmp, \irqstat, lsl #8
+		movne	\irqstat, \tmp
+		addeq	\irqnr, \irqnr, #8
+
+		movs	\tmp, \irqstat, lsl #4
+		movne	\irqstat, \tmp
+		addeq	\irqnr, \irqnr, #4
+
+		movs	\tmp, \irqstat, lsl #2
+		movne	\irqstat, \tmp
+		addeq	\irqnr, \irqnr, #2
+
+		movs	\tmp, \irqstat, lsl #1
+		addeq	\irqnr, \irqnr, #1
+		orrs	\base, \base, #1
+
+1002:           @ irqnr will be set to 0xffffffff if no irq bits are set
+		.endm
+
+		.macro  get_irqnr_preamble, base, tmp
+		.endm
+
+		.macro  arch_ret_to_user, tmp1, tmp2
+		.endm
+
+		.macro	irq_prio_table
+		.endm
+