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Diffstat (limited to 'arch/mips/alchemy/devboards/pb1200/irqmap.c')
-rw-r--r--arch/mips/alchemy/devboards/pb1200/irqmap.c134
1 files changed, 0 insertions, 134 deletions
diff --git a/arch/mips/alchemy/devboards/pb1200/irqmap.c b/arch/mips/alchemy/devboards/pb1200/irqmap.c
deleted file mode 100644
index fe47498da280..000000000000
--- a/arch/mips/alchemy/devboards/pb1200/irqmap.c
+++ /dev/null
@@ -1,134 +0,0 @@
-/*
- * BRIEF MODULE DESCRIPTION
- * Au1xxx irq map table
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License as published by the
- * Free Software Foundation; either version 2 of the License, or (at your
- * option) any later version.
- *
- * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED
- * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
- * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN
- * NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
- * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
- * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
- * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
- * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
- * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- *
- * You should have received a copy of the GNU General Public License along
- * with this program; if not, write to the Free Software Foundation, Inc.,
- * 675 Mass Ave, Cambridge, MA 02139, USA.
- */
-
-#include <linux/init.h>
-#include <linux/interrupt.h>
-
-#include <asm/mach-au1x00/au1000.h>
-
-#ifdef CONFIG_MIPS_PB1200
-#include <asm/mach-pb1x00/pb1200.h>
-#endif
-
-#ifdef CONFIG_MIPS_DB1200
-#include <asm/mach-db1x00/db1200.h>
-#define PB1200_INT_BEGIN DB1200_INT_BEGIN
-#define PB1200_INT_END DB1200_INT_END
-#endif
-
-struct au1xxx_irqmap __initdata au1xxx_irq_map[] = {
- /* This is external interrupt cascade */
- { AU1000_GPIO_7, IRQF_TRIGGER_LOW, 0 },
-};
-
-
-/*
- * Support for External interrupts on the Pb1200 Development platform.
- */
-
-static void pb1200_cascade_handler(unsigned int irq, struct irq_desc *d)
-{
- unsigned short bisr = bcsr->int_status;
-
- for ( ; bisr; bisr &= bisr - 1)
- generic_handle_irq(PB1200_INT_BEGIN + __ffs(bisr));
-}
-
-/* NOTE: both the enable and mask bits must be cleared, otherwise the
- * CPLD generates tons of spurious interrupts (at least on the DB1200).
- */
-static void pb1200_mask_irq(unsigned int irq_nr)
-{
- bcsr->intclr_mask = 1 << (irq_nr - PB1200_INT_BEGIN);
- bcsr->intclr = 1 << (irq_nr - PB1200_INT_BEGIN);
- au_sync();
-}
-
-static void pb1200_maskack_irq(unsigned int irq_nr)
-{
- bcsr->intclr_mask = 1 << (irq_nr - PB1200_INT_BEGIN);
- bcsr->intclr = 1 << (irq_nr - PB1200_INT_BEGIN);
- bcsr->int_status = 1 << (irq_nr - PB1200_INT_BEGIN); /* ack */
- au_sync();
-}
-
-static void pb1200_unmask_irq(unsigned int irq_nr)
-{
- bcsr->intset = 1 << (irq_nr - PB1200_INT_BEGIN);
- bcsr->intset_mask = 1 << (irq_nr - PB1200_INT_BEGIN);
- au_sync();
-}
-
-static struct irq_chip pb1200_cpld_irq_type = {
-#ifdef CONFIG_MIPS_PB1200
- .name = "Pb1200 Ext",
-#endif
-#ifdef CONFIG_MIPS_DB1200
- .name = "Db1200 Ext",
-#endif
- .mask = pb1200_mask_irq,
- .mask_ack = pb1200_maskack_irq,
- .unmask = pb1200_unmask_irq,
-};
-
-void __init board_init_irq(void)
-{
- unsigned int irq;
-
- au1xxx_setup_irqmap(au1xxx_irq_map, ARRAY_SIZE(au1xxx_irq_map));
-
-#ifdef CONFIG_MIPS_PB1200
- /* We have a problem with CPLD rev 3. */
- if (((bcsr->whoami & BCSR_WHOAMI_CPLD) >> 4) <= 3) {
- printk(KERN_ERR "WARNING!!!\n");
- printk(KERN_ERR "WARNING!!!\n");
- printk(KERN_ERR "WARNING!!!\n");
- printk(KERN_ERR "WARNING!!!\n");
- printk(KERN_ERR "WARNING!!!\n");
- printk(KERN_ERR "WARNING!!!\n");
- printk(KERN_ERR "Pb1200 must be at CPLD rev 4. Please have Pb1200\n");
- printk(KERN_ERR "updated to latest revision. This software will\n");
- printk(KERN_ERR "not work on anything less than CPLD rev 4.\n");
- printk(KERN_ERR "WARNING!!!\n");
- printk(KERN_ERR "WARNING!!!\n");
- printk(KERN_ERR "WARNING!!!\n");
- printk(KERN_ERR "WARNING!!!\n");
- printk(KERN_ERR "WARNING!!!\n");
- printk(KERN_ERR "WARNING!!!\n");
- panic("Game over. Your score is 0.");
- }
-#endif
- /* mask & disable & ack all */
- bcsr->intclr_mask = 0xffff;
- bcsr->intclr = 0xffff;
- bcsr->int_status = 0xffff;
- au_sync();
-
- for (irq = PB1200_INT_BEGIN; irq <= PB1200_INT_END; irq++)
- set_irq_chip_and_handler_name(irq, &pb1200_cpld_irq_type,
- handle_level_irq, "level");
-
- set_irq_chained_handler(AU1000_GPIO_7, pb1200_cascade_handler);
-}