Support for CoreFPGA-3.

Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
This commit is contained in:
Ralf Baechle 2005-08-16 15:44:06 +00:00
parent fd0197d262
commit 479a0e3e02
4 changed files with 9 additions and 15 deletions

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@ -337,6 +337,7 @@ void __init prom_init(void)
case MIPS_REVISION_CORID_CORE_MSC:
case MIPS_REVISION_CORID_CORE_FPGA2:
case MIPS_REVISION_CORID_CORE_FPGA3:
case MIPS_REVISION_CORID_CORE_EMUL_MSC:
_pcictrl_msc = (unsigned long)ioremap(MIPS_MSC01_PCI_REG_BASE, 0x2000);

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@ -197,6 +197,7 @@ void __init mips_pcibios_init(void)
case MIPS_REVISION_CORID_CORE_MSC:
case MIPS_REVISION_CORID_CORE_FPGA2:
case MIPS_REVISION_CORID_CORE_FPGA3:
case MIPS_REVISION_CORID_CORE_EMUL_MSC:
/* Set up resource ranges from the controller's registers. */
MSC_READ(MSC01_PCI_SC2PMBASL, start);

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@ -57,6 +57,7 @@ static inline int mips_pcibios_iack(void)
switch(mips_revision_corid) {
case MIPS_REVISION_CORID_CORE_MSC:
case MIPS_REVISION_CORID_CORE_FPGA2:
case MIPS_REVISION_CORID_CORE_FPGA3:
case MIPS_REVISION_CORID_CORE_EMUL_MSC:
MSC_READ(MSC01_PCI_IACK, irq);
irq &= 0xff;
@ -103,22 +104,10 @@ static inline int get_int(void)
irq = mips_pcibios_iack();
/*
* IRQ7 is used to detect spurious interrupts.
* The interrupt acknowledge cycle returns IRQ7, if no
* interrupts is requested.
* We can differentiate between this situation and a
* "Normal" IRQ7 by reading the ISR.
* The only way we can decide if an interrupt is spurious
* is by checking the 8259 registers. This needs a spinlock
* on an SMP system, so leave it up to the generic code...
*/
if (irq == 7)
{
outb(PIIX4_OCW3_SEL | PIIX4_OCW3_ISR,
PIIX4_ICTLR1_OCW3);
if (!(inb(PIIX4_ICTLR1_OCW3) & (1 << 7))) {
irq = -1; /* Spurious interrupt */
printk("We got a spurious interrupt from PIIX4.\n");
atomic_inc(&irq_err_count);
}
}
spin_unlock_irqrestore(&mips_irq_lock, flags);
@ -153,6 +142,7 @@ void corehi_irqdispatch(struct pt_regs *regs)
switch(mips_revision_corid) {
case MIPS_REVISION_CORID_CORE_MSC:
case MIPS_REVISION_CORID_CORE_FPGA2:
case MIPS_REVISION_CORID_CORE_FPGA3:
case MIPS_REVISION_CORID_CORE_EMUL_MSC:
ll_msc_irq(regs);
break;
@ -233,6 +223,7 @@ void __init arch_init_irq(void)
switch(mips_revision_corid) {
case MIPS_REVISION_CORID_CORE_MSC:
case MIPS_REVISION_CORID_CORE_FPGA2:
case MIPS_REVISION_CORID_CORE_FPGA3:
case MIPS_REVISION_CORID_CORE_EMUL_MSC:
if (cpu_has_veic)
init_msc_irqs (MSC01E_INT_BASE, msc_eicirqmap, msc_nr_eicirqs);

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@ -66,6 +66,7 @@
#define MIPS_REVISION_CORID_CORE_EMUL 6
#define MIPS_REVISION_CORID_CORE_FPGA2 7
#define MIPS_REVISION_CORID_CORE_FPGAR2 8
#define MIPS_REVISION_CORID_CORE_FPGA3 9
/**** Artificial corid defines ****/
/*