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-rw-r--r--arch/sh/include/cpu-sh5/cpu/irq.h117
1 files changed, 117 insertions, 0 deletions
diff --git a/arch/sh/include/cpu-sh5/cpu/irq.h b/arch/sh/include/cpu-sh5/cpu/irq.h
new file mode 100644
index 0000000..f0f0756e
--- /dev/null
+++ b/arch/sh/include/cpu-sh5/cpu/irq.h
@@ -0,0 +1,117 @@
+#ifndef __ASM_SH_CPU_SH5_IRQ_H
+#define __ASM_SH_CPU_SH5_IRQ_H
+
+/*
+ * include/asm-sh/cpu-sh5/irq.h
+ *
+ * Copyright (C) 2000, 2001 Paolo Alberelli
+ *
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License. See the file "COPYING" in the main directory of this archive
+ * for more details.
+ */
+
+
+/*
+ * Encoded IRQs are not considered worth to be supported.
+ * Main reason is that there's no per-encoded-interrupt
+ * enable/disable mechanism (as there was in SH3/4).
+ * An all enabled/all disabled is worth only if there's
+ * a cascaded IC to disable/enable/ack on. Until such
+ * IC is available there's no such support.
+ *
+ * Presumably Encoded IRQs may use extra IRQs beyond 64,
+ * below. Some logic must be added to cope with IRQ_IRL?
+ * in an exclusive way.
+ *
+ * Priorities are set at Platform level, when IRQ_IRL0-3
+ * are set to 0 Encoding is allowed. Otherwise it's not
+ * allowed.
+ */
+
+/* Independent IRQs */
+#define IRQ_IRL0 0
+#define IRQ_IRL1 1
+#define IRQ_IRL2 2
+#define IRQ_IRL3 3
+
+#define IRQ_INTA 4
+#define IRQ_INTB 5
+#define IRQ_INTC 6
+#define IRQ_INTD 7
+
+#define IRQ_SERR 12
+#define IRQ_ERR 13
+#define IRQ_PWR3 14
+#define IRQ_PWR2 15
+#define IRQ_PWR1 16
+#define IRQ_PWR0 17
+
+#define IRQ_DMTE0 18
+#define IRQ_DMTE1 19
+#define IRQ_DMTE2 20
+#define IRQ_DMTE3 21
+#define IRQ_DAERR 22
+
+#define IRQ_TUNI0 32
+#define IRQ_TUNI1 33
+#define IRQ_TUNI2 34
+#define IRQ_TICPI2 35
+
+#define IRQ_ATI 36
+#define IRQ_PRI 37
+#define IRQ_CUI 38
+
+#define IRQ_ERI 39
+#define IRQ_RXI 40
+#define IRQ_BRI 41
+#define IRQ_TXI 42
+
+#define IRQ_ITI 63
+
+#define NR_INTC_IRQS 64
+
+#ifdef CONFIG_SH_CAYMAN
+#define NR_EXT_IRQS 32
+#define START_EXT_IRQS 64
+
+/* PCI bus 2 uses encoded external interrupts on the Cayman board */
+#define IRQ_P2INTA (START_EXT_IRQS + (3*8) + 0)
+#define IRQ_P2INTB (START_EXT_IRQS + (3*8) + 1)
+#define IRQ_P2INTC (START_EXT_IRQS + (3*8) + 2)
+#define IRQ_P2INTD (START_EXT_IRQS + (3*8) + 3)
+
+#define I8042_KBD_IRQ (START_EXT_IRQS + 2)
+#define I8042_AUX_IRQ (START_EXT_IRQS + 6)
+
+#define IRQ_CFCARD (START_EXT_IRQS + 7)
+#define IRQ_PCMCIA (0)
+
+#else
+#define NR_EXT_IRQS 0
+#endif
+
+/* Default IRQs, fixed */
+#define TIMER_IRQ IRQ_TUNI0
+#define RTC_IRQ IRQ_CUI
+
+/* Default Priorities, Platform may choose differently */
+#define NO_PRIORITY 0 /* Disabled */
+#define TIMER_PRIORITY 2
+#define RTC_PRIORITY TIMER_PRIORITY
+#define SCIF_PRIORITY 3
+#define INTD_PRIORITY 3
+#define IRL3_PRIORITY 4
+#define INTC_PRIORITY 6
+#define IRL2_PRIORITY 7
+#define INTB_PRIORITY 9
+#define IRL1_PRIORITY 10
+#define INTA_PRIORITY 12
+#define IRL0_PRIORITY 13
+#define TOP_PRIORITY 15
+
+extern int intc_evt_to_irq[(0xE20/0x20)+1];
+int intc_irq_describe(char* p, int irq);
+extern int platform_int_priority[NR_INTC_IRQS];
+
+#endif /* __ASM_SH_CPU_SH5_IRQ_H */
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