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-rw-r--r--arch/arm/plat-omap/include/mach/entry-macro.S89
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
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