mn10300: Remove the architecture

[linux-2.6-block.git] / arch / mn10300 / unit-asb2364 / irq-fpga.c

diff --git a/arch/mn10300/unit-asb2364/irq-fpga.c b/arch/mn10300/unit-asb2364/irq-fpga.c
deleted file mode 100644 (file)
index 073e2cc..0000000
--- a/arch/mn10300/unit-asb2364/irq-fpga.c
+++ /dev/null
@@ -1,108 +0,0 @@
-/* ASB2364 FPGA interrupt multiplexing
- *
- * Copyright (C) 2010 Red Hat, Inc. All Rights Reserved.
- * Written by David Howells (dhowells@redhat.com)
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public Licence
- * as published by the Free Software Foundation; either version
- * 2 of the Licence, or (at your option) any later version.
- */
-
-#include <linux/interrupt.h>
-#include <linux/init.h>
-#include <linux/irq.h>
-#include <unit/fpga-regs.h>
-
-/*
- * FPGA PIC operations
- */
-static void asb2364_fpga_mask(struct irq_data *d)
-{
-       ASB2364_FPGA_REG_MASK(d->irq - NR_CPU_IRQS) = 0x0001;
-       SyncExBus();
-}
-
-static void asb2364_fpga_ack(struct irq_data *d)
-{
-       ASB2364_FPGA_REG_IRQ(d->irq - NR_CPU_IRQS) = 0x0001;
-       SyncExBus();
-}
-
-static void asb2364_fpga_mask_ack(struct irq_data *d)
-{
-       ASB2364_FPGA_REG_MASK(d->irq - NR_CPU_IRQS) = 0x0001;
-       SyncExBus();
-       ASB2364_FPGA_REG_IRQ(d->irq - NR_CPU_IRQS) = 0x0001;
-       SyncExBus();
-}
-
-static void asb2364_fpga_unmask(struct irq_data *d)
-{
-       ASB2364_FPGA_REG_MASK(d->irq - NR_CPU_IRQS) = 0x0000;
-       SyncExBus();
-}
-
-static struct irq_chip asb2364_fpga_pic = {
-       .name           = "fpga",
-       .irq_ack        = asb2364_fpga_ack,
-       .irq_mask       = asb2364_fpga_mask,
-       .irq_mask_ack   = asb2364_fpga_mask_ack,
-       .irq_unmask     = asb2364_fpga_unmask,
-};
-
-/*
- * FPGA PIC interrupt handler
- */
-static irqreturn_t fpga_interrupt(int irq, void *_mask)
-{
-       if ((ASB2364_FPGA_REG_IRQ_LAN  & 0x0001) != 0x0001)
-               generic_handle_irq(FPGA_LAN_IRQ);
-       if ((ASB2364_FPGA_REG_IRQ_UART & 0x0001) != 0x0001)
-               generic_handle_irq(FPGA_UART_IRQ);
-       if ((ASB2364_FPGA_REG_IRQ_I2C  & 0x0001) != 0x0001)
-               generic_handle_irq(FPGA_I2C_IRQ);
-       if ((ASB2364_FPGA_REG_IRQ_USB  & 0x0001) != 0x0001)
-               generic_handle_irq(FPGA_USB_IRQ);
-       if ((ASB2364_FPGA_REG_IRQ_FPGA & 0x0001) != 0x0001)
-               generic_handle_irq(FPGA_FPGA_IRQ);
-
-       return IRQ_HANDLED;
-}
-
-/*
- * Define an interrupt action for each FPGA PIC output
- */
-static struct irqaction fpga_irq[]  = {
-       [0] = {
-               .handler        = fpga_interrupt,
-               .flags          = IRQF_SHARED,
-               .name           = "fpga",
-       },
-};
-
-/*
- * Initialise the FPGA's PIC
- */
-void __init irq_fpga_init(void)
-{
-       int irq;
-
-       ASB2364_FPGA_REG_MASK_LAN  = 0x0001;
-       SyncExBus();
-       ASB2364_FPGA_REG_MASK_UART = 0x0001;
-       SyncExBus();
-       ASB2364_FPGA_REG_MASK_I2C  = 0x0001;
-       SyncExBus();
-       ASB2364_FPGA_REG_MASK_USB  = 0x0001;
-       SyncExBus();
-       ASB2364_FPGA_REG_MASK_FPGA = 0x0001;
-       SyncExBus();
-
-       for (irq = NR_CPU_IRQS; irq < NR_IRQS; irq++)
-               irq_set_chip_and_handler(irq, &asb2364_fpga_pic,
-                                        handle_level_irq);
-
-       /* the FPGA drives the XIRQ1 input on the CPU PIC */
-       setup_irq(XIRQ1, &fpga_irq[0]);
-}