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Diffstat (limited to 'arch/mips/ddb5xxx/ddb5074/irq.c')
-rw-r--r--arch/mips/ddb5xxx/ddb5074/irq.c169
1 files changed, 0 insertions, 169 deletions
diff --git a/arch/mips/ddb5xxx/ddb5074/irq.c b/arch/mips/ddb5xxx/ddb5074/irq.c
deleted file mode 100644
index 60c087b7738c..000000000000
--- a/arch/mips/ddb5xxx/ddb5074/irq.c
+++ /dev/null
@@ -1,169 +0,0 @@
-/*
- * arch/mips/ddb5074/irq.c -- NEC DDB Vrc-5074 interrupt routines
- *
- * Copyright (C) 2000 Geert Uytterhoeven <geert@sonycom.com>
- * Sony Software Development Center Europe (SDCE), Brussels
- */
-#include <linux/init.h>
-#include <linux/irq.h>
-#include <linux/signal.h>
-#include <linux/sched.h>
-#include <linux/types.h>
-#include <linux/interrupt.h>
-#include <linux/ioport.h>
-
-#include <asm/i8259.h>
-#include <asm/io.h>
-#include <asm/irq_cpu.h>
-#include <asm/ptrace.h>
-#include <asm/nile4.h>
-#include <asm/ddb5xxx/ddb5xxx.h>
-#include <asm/ddb5xxx/ddb5074.h>
-
-
-static struct irqaction irq_cascade = { no_action, 0, CPU_MASK_NONE, "cascade", NULL, NULL };
-
-#define M1543_PNP_CONFIG 0x03f0 /* PnP Config Port */
-#define M1543_PNP_INDEX 0x03f0 /* PnP Index Port */
-#define M1543_PNP_DATA 0x03f1 /* PnP Data Port */
-
-#define M1543_PNP_ALT_CONFIG 0x0370 /* Alternative PnP Config Port */
-#define M1543_PNP_ALT_INDEX 0x0370 /* Alternative PnP Index Port */
-#define M1543_PNP_ALT_DATA 0x0371 /* Alternative PnP Data Port */
-
-#define M1543_INT1_MASTER_CTRL 0x0020 /* INT_1 (master) Control Register */
-#define M1543_INT1_MASTER_MASK 0x0021 /* INT_1 (master) Mask Register */
-
-#define M1543_INT1_SLAVE_CTRL 0x00a0 /* INT_1 (slave) Control Register */
-#define M1543_INT1_SLAVE_MASK 0x00a1 /* INT_1 (slave) Mask Register */
-
-#define M1543_INT1_MASTER_ELCR 0x04d0 /* INT_1 (master) Edge/Level Control */
-#define M1543_INT1_SLAVE_ELCR 0x04d1 /* INT_1 (slave) Edge/Level Control */
-
-
-static void m1543_irq_setup(void)
-{
- /*
- * The ALI M1543 has 13 interrupt inputs, IRQ1..IRQ13. Not all
- * the possible IO sources in the M1543 are in use by us. We will
- * use the following mapping:
- *
- * IRQ1 - keyboard (default set by M1543)
- * IRQ3 - reserved for UART B (default set by M1543) (note that
- * the schematics for the DDB Vrc-5074 board seem to
- * indicate that IRQ3 is connected to the DS1386
- * watchdog timer interrupt output so we might have
- * a conflict)
- * IRQ4 - reserved for UART A (default set by M1543)
- * IRQ5 - parallel (default set by M1543)
- * IRQ8 - DS1386 time of day (RTC) interrupt
- * IRQ12 - mouse
- */
-
- /*
- * Assing mouse interrupt to IRQ12
- */
-
- /* Enter configuration mode */
- outb(0x51, M1543_PNP_CONFIG);
- outb(0x23, M1543_PNP_CONFIG);
-
- /* Select logical device 7 (Keyboard) */
- outb(0x07, M1543_PNP_INDEX);
- outb(0x07, M1543_PNP_DATA);
-
- /* Select IRQ12 */
- outb(0x72, M1543_PNP_INDEX);
- outb(0x0c, M1543_PNP_DATA);
-
- outb(0x30, M1543_PNP_INDEX);
- printk("device 7, 0x30: %02x\n",inb(M1543_PNP_DATA));
-
- outb(0x70, M1543_PNP_INDEX);
- printk("device 7, 0x70: %02x\n",inb(M1543_PNP_DATA));
-
- /* Leave configration mode */
- outb(0xbb, M1543_PNP_CONFIG);
-
-
-}
-
-static void ddb_local0_irqdispatch(struct pt_regs *regs)
-{
- u32 mask;
- int nile4_irq;
-
- mask = nile4_get_irq_stat(0);
-
- /* Handle the timer interrupt first */
-#if 0
- if (mask & (1 << NILE4_INT_GPT)) {
- do_IRQ(nile4_to_irq(NILE4_INT_GPT), regs);
- mask &= ~(1 << NILE4_INT_GPT);
- }
-#endif
- for (nile4_irq = 0; mask; nile4_irq++, mask >>= 1)
- if (mask & 1) {
- if (nile4_irq == NILE4_INT_INTE) {
- int i8259_irq;
-
- nile4_clear_irq(NILE4_INT_INTE);
- i8259_irq = nile4_i8259_iack();
- do_IRQ(i8259_irq, regs);
- } else
- do_IRQ(nile4_to_irq(nile4_irq), regs);
-
- }
-}
-
-static void ddb_local1_irqdispatch(void)
-{
- printk("ddb_local1_irqdispatch called\n");
-}
-
-static void ddb_buserror_irq(void)
-{
- printk("ddb_buserror_irq called\n");
-}
-
-static void ddb_8254timer_irq(void)
-{
- printk("ddb_8254timer_irq called\n");
-}
-
-asmlinkage void plat_irq_dispatch(struct pt_regs *regs)
-{
- unsigned int pending = read_c0_cause() & read_c0_status();
-
- if (pending & CAUSEF_IP2)
- ddb_local0_irqdispatch(regs);
- else if (pending & CAUSEF_IP3)
- ddb_local1_irqdispatch();
- else if (pending & CAUSEF_IP6)
- ddb_buserror_irq();
- else if (pending & (CAUSEF_IP4 | CAUSEF_IP5))
- ddb_8254timer_irq();
-}
-
-void __init arch_init_irq(void)
-{
- /* setup cascade interrupts */
- setup_irq(NILE4_IRQ_BASE + NILE4_INT_INTE, &irq_cascade);
- setup_irq(CPU_IRQ_BASE + CPU_NILE4_CASCADE, &irq_cascade);
-
- nile4_irq_setup(NILE4_IRQ_BASE);
- m1543_irq_setup();
- init_i8259_irqs();
-
-
- printk("CPU_IRQ_BASE: %d\n",CPU_IRQ_BASE);
-
- mips_cpu_irq_init(CPU_IRQ_BASE);
-
- printk("enabling 8259 cascade\n");
-
- ddb5074_led_hex(0);
-
- /* Enable the interrupt cascade */
- nile4_enable_irq(NILE4_IRQ_BASE+IRQ_I8259_CASCADE);
-}