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Diffstat (limited to 'arch/mips/ddb5xxx/ddb5476/nile4_pic.c')
-rw-r--r--arch/mips/ddb5xxx/ddb5476/nile4_pic.c190
1 files changed, 0 insertions, 190 deletions
diff --git a/arch/mips/ddb5xxx/ddb5476/nile4_pic.c b/arch/mips/ddb5xxx/ddb5476/nile4_pic.c
deleted file mode 100644
index e930cee7944f..000000000000
--- a/arch/mips/ddb5xxx/ddb5476/nile4_pic.c
+++ /dev/null
@@ -1,190 +0,0 @@
-/*
- * arch/mips/ddb5476/nile4.c --
- * low-level PIC code for NEC Vrc-5476 (Nile 4)
- *
- * Copyright (C) 2000 Geert Uytterhoeven <geert@sonycom.com>
- * Sony Software Development Center Europe (SDCE), Brussels
- *
- * Copyright 2001 MontaVista Software Inc.
- * Author: jsun@mvista.com or jsun@junsun.net
- *
- */
-#include <linux/config.h>
-#include <linux/kernel.h>
-#include <linux/types.h>
-
-#include <asm/addrspace.h>
-
-#include <asm/ddb5xxx/ddb5xxx.h>
-
-
-/*
- * Interrupt Programming
- */
-void nile4_map_irq(int nile4_irq, int cpu_irq)
-{
- u32 offset, t;
-
- offset = DDB_INTCTRL;
- if (nile4_irq >= 8) {
- offset += 4;
- nile4_irq -= 8;
- }
- t = ddb_in32(offset);
- t &= ~(7 << (nile4_irq * 4));
- t |= cpu_irq << (nile4_irq * 4);
- ddb_out32(offset, t);
-}
-
-void nile4_map_irq_all(int cpu_irq)
-{
- u32 all, t;
-
- all = cpu_irq;
- all |= all << 4;
- all |= all << 8;
- all |= all << 16;
- t = ddb_in32(DDB_INTCTRL);
- t &= 0x88888888;
- t |= all;
- ddb_out32(DDB_INTCTRL, t);
- t = ddb_in32(DDB_INTCTRL + 4);
- t &= 0x88888888;
- t |= all;
- ddb_out32(DDB_INTCTRL + 4, t);
-}
-
-void nile4_enable_irq(int nile4_irq)
-{
- u32 offset, t;
-
- offset = DDB_INTCTRL;
- if (nile4_irq >= 8) {
- offset += 4;
- nile4_irq -= 8;
- }
- t = ddb_in32(offset);
- t |= 8 << (nile4_irq * 4);
- ddb_out32(offset, t);
-}
-
-void nile4_disable_irq(int nile4_irq)
-{
- u32 offset, t;
-
- offset = DDB_INTCTRL;
- if (nile4_irq >= 8) {
- offset += 4;
- nile4_irq -= 8;
- }
- t = ddb_in32(offset);
- t &= ~(8 << (nile4_irq * 4));
- ddb_out32(offset, t);
-}
-
-void nile4_disable_irq_all(void)
-{
- ddb_out32(DDB_INTCTRL, 0);
- ddb_out32(DDB_INTCTRL + 4, 0);
-}
-
-u16 nile4_get_irq_stat(int cpu_irq)
-{
- return ddb_in16(DDB_INTSTAT0 + cpu_irq * 2);
-}
-
-void nile4_enable_irq_output(int cpu_irq)
-{
- u32 t;
-
- t = ddb_in32(DDB_INTSTAT1 + 4);
- t |= 1 << (16 + cpu_irq);
- ddb_out32(DDB_INTSTAT1, t);
-}
-
-void nile4_disable_irq_output(int cpu_irq)
-{
- u32 t;
-
- t = ddb_in32(DDB_INTSTAT1 + 4);
- t &= ~(1 << (16 + cpu_irq));
- ddb_out32(DDB_INTSTAT1, t);
-}
-
-void nile4_set_pci_irq_polarity(int pci_irq, int high)
-{
- u32 t;
-
- t = ddb_in32(DDB_INTPPES);
- if (high)
- t &= ~(1 << (pci_irq * 2));
- else
- t |= 1 << (pci_irq * 2);
- ddb_out32(DDB_INTPPES, t);
-}
-
-void nile4_set_pci_irq_level_or_edge(int pci_irq, int level)
-{
- u32 t;
-
- t = ddb_in32(DDB_INTPPES);
- if (level)
- t |= 2 << (pci_irq * 2);
- else
- t &= ~(2 << (pci_irq * 2));
- ddb_out32(DDB_INTPPES, t);
-}
-
-void nile4_clear_irq(int nile4_irq)
-{
- ddb_out32(DDB_INTCLR, 1 << nile4_irq);
-}
-
-void nile4_clear_irq_mask(u32 mask)
-{
- ddb_out32(DDB_INTCLR, mask);
-}
-
-u8 nile4_i8259_iack(void)
-{
- u8 irq;
- u32 reg;
-
- /* Set window 0 for interrupt acknowledge */
- reg = ddb_in32(DDB_PCIINIT0);
-
- ddb_set_pmr(DDB_PCIINIT0, DDB_PCICMD_IACK, 0, DDB_PCI_ACCESS_32);
- irq = *(volatile u8 *) KSEG1ADDR(DDB_PCI_IACK_BASE);
- /* restore window 0 for PCI I/O space */
- // ddb_set_pmr(DDB_PCIINIT0, DDB_PCICMD_IO, 0, DDB_PCI_ACCESS_32);
- ddb_out32(DDB_PCIINIT0, reg);
-
- /* i8269.c set the base vector to be 0x0 */
- return irq + I8259_IRQ_BASE;
-}
-
-#if defined(CONFIG_RUNTIME_DEBUG)
-void nile4_dump_irq_status(void)
-{
- printk(KERN_DEBUG "
- CPUSTAT = %p:%p\n", (void *) ddb_in32(DDB_CPUSTAT + 4),
- (void *) ddb_in32(DDB_CPUSTAT));
- printk(KERN_DEBUG "
- INTCTRL = %p:%p\n", (void *) ddb_in32(DDB_INTCTRL + 4),
- (void *) ddb_in32(DDB_INTCTRL));
- printk(KERN_DEBUG
- "INTSTAT0 = %p:%p\n",
- (void *) ddb_in32(DDB_INTSTAT0 + 4),
- (void *) ddb_in32(DDB_INTSTAT0));
- printk(KERN_DEBUG
- "INTSTAT1 = %p:%p\n",
- (void *) ddb_in32(DDB_INTSTAT1 + 4),
- (void *) ddb_in32(DDB_INTSTAT1));
- printk(KERN_DEBUG
- "INTCLR = %p:%p\n", (void *) ddb_in32(DDB_INTCLR + 4),
- (void *) ddb_in32(DDB_INTCLR));
- printk(KERN_DEBUG
- "INTPPES = %p:%p\n", (void *) ddb_in32(DDB_INTPPES + 4),
- (void *) ddb_in32(DDB_INTPPES));
-}
-#endif