sh: Get the mach-cayman IRQ support building.

Signed-off-by: Paul Mundt <lethal@linux-sh.org>

1 files changed, 0 insertions, 272 deletions

diff --git a/arch/sh64/kernel/irq_intc.c b/arch/sh64/kernel/irq_intc.c
deleted file mode 100644
index 3b63a93..0000000
--- a/arch/sh64/kernel/irq_intc.c
+++ /dev/null
@@ -1,272 +0,0 @@
-/*
- * 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.
- *
- * arch/sh64/kernel/irq_intc.c
- *
- * Copyright (C) 2000, 2001  Paolo Alberelli
- * Copyright (C) 2003  Paul Mundt
- *
- * Interrupt Controller support for SH5 INTC.
- * Per-interrupt selective. IRLM=0 (Fixed priority) is not
- * supported being useless without a cascaded interrupt
- * controller.
- *
- */
-
-#include <linux/init.h>
-#include <linux/interrupt.h>
-#include <linux/irq.h>
-#include <linux/kernel.h>
-#include <linux/stddef.h>
-#include <linux/bitops.h>       /* this includes also <asm/registers.h */
-                                /* which is required to remap register */
-                                /* names used into __asm__ blocks...   */
-
-#include <asm/hardware.h>
-#include <asm/platform.h>
-#include <asm/page.h>
-#include <asm/io.h>
-#include <asm/irq.h>
-
-/*
- * Maybe the generic Peripheral block could move to a more
- * generic include file. INTC Block will be defined here
- * and only here to make INTC self-contained in a single
- * file.
- */
-#define	INTC_BLOCK_OFFSET	0x01000000
-
-/* Base */
-#define INTC_BASE		PHYS_PERIPHERAL_BLOCK + \
-				INTC_BLOCK_OFFSET
-
-/* Address */
-#define INTC_ICR_SET		(intc_virt + 0x0)
-#define INTC_ICR_CLEAR		(intc_virt + 0x8)
-#define INTC_INTPRI_0		(intc_virt + 0x10)
-#define INTC_INTSRC_0		(intc_virt + 0x50)
-#define INTC_INTSRC_1		(intc_virt + 0x58)
-#define INTC_INTREQ_0		(intc_virt + 0x60)
-#define INTC_INTREQ_1		(intc_virt + 0x68)
-#define INTC_INTENB_0		(intc_virt + 0x70)
-#define INTC_INTENB_1		(intc_virt + 0x78)
-#define INTC_INTDSB_0		(intc_virt + 0x80)
-#define INTC_INTDSB_1		(intc_virt + 0x88)
-
-#define INTC_ICR_IRLM		0x1
-#define	INTC_INTPRI_PREGS	8		/* 8 Priority Registers */
-#define	INTC_INTPRI_PPREG	8		/* 8 Priorities per Register */
-
-
-/*
- * Mapper between the vector ordinal and the IRQ number
- * passed to kernel/device drivers.
- */
-int intc_evt_to_irq[(0xE20/0x20)+1] = {
-	-1, -1, -1, -1, -1, -1, -1, -1,	/* 0x000 - 0x0E0 */
-	-1, -1, -1, -1, -1, -1, -1, -1,	/* 0x100 - 0x1E0 */
-	 0,  0,  0,  0,  0,  1,  0,  0,	/* 0x200 - 0x2E0 */
-	 2,  0,  0,  3,  0,  0,  0, -1,	/* 0x300 - 0x3E0 */
-	32, 33, 34, 35, 36, 37, 38, -1,	/* 0x400 - 0x4E0 */
-	-1, -1, -1, 63, -1, -1, -1, -1,	/* 0x500 - 0x5E0 */
-	-1, -1, 18, 19, 20, 21, 22, -1,	/* 0x600 - 0x6E0 */
-	39, 40, 41, 42, -1, -1, -1, -1,	/* 0x700 - 0x7E0 */
-	 4,  5,  6,  7, -1, -1, -1, -1,	/* 0x800 - 0x8E0 */
-	-1, -1, -1, -1, -1, -1, -1, -1,	/* 0x900 - 0x9E0 */
-	12, 13, 14, 15, 16, 17, -1, -1,	/* 0xA00 - 0xAE0 */
-	-1, -1, -1, -1, -1, -1, -1, -1,	/* 0xB00 - 0xBE0 */
-	-1, -1, -1, -1, -1, -1, -1, -1,	/* 0xC00 - 0xCE0 */
-	-1, -1, -1, -1, -1, -1, -1, -1,	/* 0xD00 - 0xDE0 */
-	-1, -1				/* 0xE00 - 0xE20 */
-};
-
-/*
- * Opposite mapper.
- */
-static int IRQ_to_vectorN[NR_INTC_IRQS] = {
-	0x12, 0x15, 0x18, 0x1B, 0x40, 0x41, 0x42, 0x43, /*  0- 7 */
-	  -1,   -1,   -1,   -1, 0x50, 0x51, 0x52, 0x53,	/*  8-15 */
-	0x54, 0x55, 0x32, 0x33, 0x34, 0x35, 0x36,   -1, /* 16-23 */
-	  -1,   -1,   -1,   -1,   -1,   -1,   -1,   -1, /* 24-31 */
-	0x20, 0x21, 0x22, 0x23, 0x24, 0x25, 0x26, 0x38,	/* 32-39 */
-        0x39, 0x3A, 0x3B,   -1,   -1,   -1,   -1,   -1, /* 40-47 */
-	  -1,   -1,   -1,   -1,   -1,   -1,   -1,   -1, /* 48-55 */
-	  -1,   -1,   -1,   -1,   -1,   -1,   -1, 0x2B, /* 56-63 */
-
-};
-
-static unsigned long intc_virt;
-
-static unsigned int startup_intc_irq(unsigned int irq);
-static void shutdown_intc_irq(unsigned int irq);
-static void enable_intc_irq(unsigned int irq);
-static void disable_intc_irq(unsigned int irq);
-static void mask_and_ack_intc(unsigned int);
-static void end_intc_irq(unsigned int irq);
-
-static struct hw_interrupt_type intc_irq_type = {
-	.typename = "INTC",
-	.startup = startup_intc_irq,
-	.shutdown = shutdown_intc_irq,
-	.enable = enable_intc_irq,
-	.disable = disable_intc_irq,
-	.ack = mask_and_ack_intc,
-	.end = end_intc_irq
-};
-
-static int irlm;		/* IRL mode */
-
-static unsigned int startup_intc_irq(unsigned int irq)
-{
-	enable_intc_irq(irq);
-	return 0; /* never anything pending */
-}
-
-static void shutdown_intc_irq(unsigned int irq)
-{
-	disable_intc_irq(irq);
-}
-
-static void enable_intc_irq(unsigned int irq)
-{
-	unsigned long reg;
-	unsigned long bitmask;
-
-	if ((irq <= IRQ_IRL3) && (irlm == NO_PRIORITY))
-		printk("Trying to use straight IRL0-3 with an encoding platform.\n");
-
-	if (irq < 32) {
-		reg = INTC_INTENB_0;
-		bitmask = 1 << irq;
-	} else {
-		reg = INTC_INTENB_1;
-		bitmask = 1 << (irq - 32);
-	}
-
-	ctrl_outl(bitmask, reg);
-}
-
-static void disable_intc_irq(unsigned int irq)
-{
-	unsigned long reg;
-	unsigned long bitmask;
-
-	if (irq < 32) {
-		reg = INTC_INTDSB_0;
-		bitmask = 1 << irq;
-	} else {
-		reg = INTC_INTDSB_1;
-		bitmask = 1 << (irq - 32);
-	}
-
-	ctrl_outl(bitmask, reg);
-}
-
-static void mask_and_ack_intc(unsigned int irq)
-{
-	disable_intc_irq(irq);
-}
-
-static void end_intc_irq(unsigned int irq)
-{
-	enable_intc_irq(irq);
-}
-
-/* For future use, if we ever support IRLM=0) */
-void make_intc_irq(unsigned int irq)
-{
-	disable_irq_nosync(irq);
-	irq_desc[irq].chip = &intc_irq_type;
-	disable_intc_irq(irq);
-}
-
-#if defined(CONFIG_PROC_FS) && defined(CONFIG_SYSCTL)
-int intc_irq_describe(char* p, int irq)
-{
-	if (irq < NR_INTC_IRQS)
-		return sprintf(p, "(0x%3x)", IRQ_to_vectorN[irq]*0x20);
-	else
-		return 0;
-}
-#endif
-
-void __init init_IRQ(void)
-{
-        unsigned long long __dummy0, __dummy1=~0x00000000100000f0;
-	unsigned long reg;
-	unsigned long data;
-	int i;
-
-	intc_virt = onchip_remap(INTC_BASE, 1024, "INTC");
-	if (!intc_virt) {
-		panic("Unable to remap INTC\n");
-	}
-
-
-	/* Set default: per-line enable/disable, priority driven ack/eoi */
-	for (i = 0; i < NR_INTC_IRQS; i++) {
-		if (platform_int_priority[i] != NO_PRIORITY) {
-			irq_desc[i].chip = &intc_irq_type;
-		}
-	}
-
-
-	/* Disable all interrupts and set all priorities to 0 to avoid trouble */
-	ctrl_outl(-1, INTC_INTDSB_0);
-	ctrl_outl(-1, INTC_INTDSB_1);
-
-	for (reg = INTC_INTPRI_0, i = 0; i < INTC_INTPRI_PREGS; i++, reg += 8)
-		ctrl_outl( NO_PRIORITY, reg);
-
-
-	/* Set IRLM */
-	/* If all the priorities are set to 'no priority', then
-	 * assume we are using encoded mode.
-	 */
-	irlm = platform_int_priority[IRQ_IRL0] + platform_int_priority[IRQ_IRL1] + \
-		platform_int_priority[IRQ_IRL2] + platform_int_priority[IRQ_IRL3];
-
-	if (irlm == NO_PRIORITY) {
-		/* IRLM = 0 */
-		reg = INTC_ICR_CLEAR;
-		i = IRQ_INTA;
-		printk("Trying to use encoded IRL0-3. IRLs unsupported.\n");
-	} else {
-		/* IRLM = 1 */
-		reg = INTC_ICR_SET;
-		i = IRQ_IRL0;
-	}
-	ctrl_outl(INTC_ICR_IRLM, reg);
-
-	/* Set interrupt priorities according to platform description */
-	for (data = 0, reg = INTC_INTPRI_0; i < NR_INTC_IRQS; i++) {
-		data |= platform_int_priority[i] << ((i % INTC_INTPRI_PPREG) * 4);
-		if ((i % INTC_INTPRI_PPREG) == (INTC_INTPRI_PPREG - 1)) {
-			/* Upon the 7th, set Priority Register */
-			ctrl_outl(data, reg);
-			data = 0;
-			reg += 8;
-		}
-	}
-
-#ifdef CONFIG_SH_CAYMAN
-	{
-		extern void init_cayman_irq(void);
-
-		init_cayman_irq();
-	}
-#endif
-
-	/*
-	 * And now let interrupts come in.
-	 * sti() is not enough, we need to
-	 * lower priority, too.
-	 */
-        __asm__ __volatile__("getcon    " __SR ", %0\n\t"
-                             "and       %0, %1, %0\n\t"
-                             "putcon    %0, " __SR "\n\t"
-                             : "=&r" (__dummy0)
-                             : "r" (__dummy1));
-}