1 files changed, 89 insertions, 0 deletions
diff --git a/arch/arm/plat-omap/include/mach/entry-macro.S b/arch/arm/plat-omap/include/mach/entry-macro.S
new file mode 100644
index 0000000..d4e9043
--- /dev/null
+++ b/arch/arm/plat-omap/include/mach/entry-macro.S
@@ -0,0 +1,89 @@
+/*
+ * arch/arm/plat-omap/include/mach/entry-macro.S
+ *
+ * Low-level IRQ helper macros for OMAP-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/io.h>
+#include <mach/irqs.h>
+
+#if defined(CONFIG_ARCH_OMAP1)
+
+#if defined(CONFIG_ARCH_OMAP730) && \
+	(defined(CONFIG_ARCH_OMAP15XX) || defined(CONFIG_ARCH_OMAP16XX))
+#error "FIXME: OMAP730 doesn't support multiple-OMAP"
+#elif defined(CONFIG_ARCH_OMAP730)
+#define INT_IH2_IRQ		INT_730_IH2_IRQ
+#elif defined(CONFIG_ARCH_OMAP15XX)
+#define INT_IH2_IRQ		INT_1510_IH2_IRQ
+#elif defined(CONFIG_ARCH_OMAP16XX)
+#define INT_IH2_IRQ		INT_1610_IH2_IRQ
+#else
+#warning "IH2 IRQ defaulted"
+#define INT_IH2_IRQ		INT_1510_IH2_IRQ
+#endif
+
+ 		.macro	disable_fiq
+		.endm
+
+		.macro  get_irqnr_preamble, base, tmp
+		.endm
+
+		.macro  arch_ret_to_user, tmp1, tmp2
+		.endm
+
+		.macro	get_irqnr_and_base, irqnr, irqstat, base, tmp
+		ldr	\base, =IO_ADDRESS(OMAP_IH1_BASE)
+		ldr	\irqnr, [\base, #IRQ_ITR_REG_OFFSET]
+		ldr	\tmp, [\base, #IRQ_MIR_REG_OFFSET]
+		mov	\irqstat, #0xffffffff
+		bic	\tmp, \irqstat, \tmp
+		tst	\irqnr, \tmp
+		beq	1510f
+
+		ldr	\irqnr, [\base, #IRQ_SIR_FIQ_REG_OFFSET]
+		cmp	\irqnr, #0
+		ldreq	\irqnr, [\base, #IRQ_SIR_IRQ_REG_OFFSET]
+		cmpeq	\irqnr, #INT_IH2_IRQ
+		ldreq	\base, =IO_ADDRESS(OMAP_IH2_BASE)
+		ldreq	\irqnr, [\base, #IRQ_SIR_IRQ_REG_OFFSET]
+		addeqs	\irqnr, \irqnr, #32
+1510:
+		.endm
+
+#elif defined(CONFIG_ARCH_OMAP24XX)
+
+#include <mach/omap24xx.h>
+
+		.macro	disable_fiq
+		.endm
+
+		.macro  get_irqnr_preamble, base, tmp
+		.endm
+
+		.macro  arch_ret_to_user, tmp1, tmp2
+		.endm
+
+		.macro	get_irqnr_and_base, irqnr, irqstat, base, tmp
+		ldr	\base, =OMAP2_VA_IC_BASE
+		ldr	\irqnr, [\base, #0x98] /* IRQ pending reg 1 */
+		cmp	\irqnr, #0x0
+		bne	2222f
+		ldr	\irqnr, [\base, #0xb8] /* IRQ pending reg 2 */
+		cmp	\irqnr, #0x0
+		bne	2222f
+		ldr	\irqnr, [\base, #0xd8] /* IRQ pending reg 3 */
+		cmp	\irqnr, #0x0
+2222:
+		ldrne	\irqnr, [\base, #IRQ_SIR_IRQ]
+
+		.endm
+
+		.macro	irq_prio_table
+		.endm
+
+#endif