#include <asm/mips-boards/msc01_pci.h>
#include <asm/msc01_ic.h>
-extern void mips_timer_interrupt(void);
-
static DEFINE_SPINLOCK(mips_irq_lock);
static inline int mips_pcibios_iack(void)
* Determine highest priority pending interrupt by performing
* a PCI Interrupt Acknowledge cycle.
*/
- 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_24K:
- case MIPS_REVISION_CORID_CORE_EMUL_MSC:
+ switch (mips_revision_sconid) {
+ case MIPS_REVISION_SCON_SOCIT:
+ case MIPS_REVISION_SCON_ROCIT:
+ case MIPS_REVISION_SCON_SOCITSC:
+ case MIPS_REVISION_SCON_SOCITSCP:
MSC_READ(MSC01_PCI_IACK, irq);
irq &= 0xff;
break;
- case MIPS_REVISION_CORID_QED_RM5261:
- case MIPS_REVISION_CORID_CORE_LV:
- case MIPS_REVISION_CORID_CORE_FPGA:
- case MIPS_REVISION_CORID_CORE_FPGAR2:
+ case MIPS_REVISION_SCON_GT64120:
irq = GT_READ(GT_PCI0_IACK_OFS);
irq &= 0xff;
break;
- case MIPS_REVISION_CORID_BONITO64:
- case MIPS_REVISION_CORID_CORE_20K:
- case MIPS_REVISION_CORID_CORE_EMUL_BON:
+ case MIPS_REVISION_SCON_BONITO:
/* The following will generate a PCI IACK cycle on the
* Bonito controller. It's a little bit kludgy, but it
* was the easiest way to implement it in hardware at
dummy = BONITO_PCIMAP_CFG;
iob(); /* sync */
- irq = *(volatile u32 *)(_pcictrl_bonito_pcicfg);
+ irq = readl((u32 *)_pcictrl_bonito_pcicfg);
iob(); /* sync */
irq &= 0xff;
BONITO_PCIMAP_CFG = 0;
break;
default:
- printk("Unknown Core card, don't know the system controller.\n");
+ printk("Unknown system controller.\n");
return -1;
}
return irq;
{
unsigned int intedge, intsteer, pcicmd, pcibadaddr;
unsigned int pcimstat, intisr, inten, intpol;
- unsigned int intrcause,datalo,datahi;
+ unsigned int intrcause, datalo, datahi;
struct pt_regs *regs = get_irq_regs();
printk("CoreHI interrupt, shouldn't happen, so we die here!!!\n");
Do it for the others too.
*/
- 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_24K:
- case MIPS_REVISION_CORID_CORE_EMUL_MSC:
+ switch (mips_revision_sconid) {
+ case MIPS_REVISION_SCON_SOCIT:
+ case MIPS_REVISION_SCON_ROCIT:
+ case MIPS_REVISION_SCON_SOCITSC:
+ case MIPS_REVISION_SCON_SOCITSCP:
ll_msc_irq();
break;
- case MIPS_REVISION_CORID_QED_RM5261:
- case MIPS_REVISION_CORID_CORE_LV:
- case MIPS_REVISION_CORID_CORE_FPGA:
- case MIPS_REVISION_CORID_CORE_FPGAR2:
+ case MIPS_REVISION_SCON_GT64120:
intrcause = GT_READ(GT_INTRCAUSE_OFS);
datalo = GT_READ(GT_CPUERR_ADDRLO_OFS);
datahi = GT_READ(GT_CPUERR_ADDRHI_OFS);
printk("GT_INTRCAUSE = %08x\n", intrcause);
printk("GT_CPUERR_ADDR = %02x%08x\n", datahi, datalo);
break;
- case MIPS_REVISION_CORID_BONITO64:
- case MIPS_REVISION_CORID_CORE_20K:
- case MIPS_REVISION_CORID_CORE_EMUL_BON:
+ case MIPS_REVISION_SCON_BONITO:
pcibadaddr = BONITO_PCIBADADDR;
pcimstat = BONITO_PCIMSTAT;
intisr = BONITO_INTISR;
static inline int clz(unsigned long x)
{
- __asm__ (
+ __asm__(
" .set push \n"
" .set mips32 \n"
" clz %0, %1 \n"
if (irq == MIPSCPU_INT_I8259A)
malta_hw0_irqdispatch();
- else if (irq > 0)
- do_IRQ(MIPSCPU_INT_BASE + irq);
+ else if (irq >= 0)
+ do_IRQ(MIPS_CPU_IRQ_BASE + irq);
else
spurious_interrupt();
}
if (!cpu_has_veic)
mips_cpu_irq_init();
- 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_24K:
- case MIPS_REVISION_CORID_CORE_EMUL_MSC:
+ switch(mips_revision_sconid) {
+ case MIPS_REVISION_SCON_SOCIT:
+ case MIPS_REVISION_SCON_ROCIT:
if (cpu_has_veic)
- init_msc_irqs (MSC01E_INT_BASE, msc_eicirqmap, msc_nr_eicirqs);
+ init_msc_irqs(MIPS_MSC01_IC_REG_BASE, MSC01E_INT_BASE, msc_eicirqmap, msc_nr_eicirqs);
else
- init_msc_irqs (MSC01C_INT_BASE, msc_irqmap, msc_nr_irqs);
+ init_msc_irqs(MIPS_MSC01_IC_REG_BASE, MSC01C_INT_BASE, msc_irqmap, msc_nr_irqs);
+ break;
+
+ case MIPS_REVISION_SCON_SOCITSC:
+ case MIPS_REVISION_SCON_SOCITSCP:
+ if (cpu_has_veic)
+ init_msc_irqs(MIPS_SOCITSC_IC_REG_BASE, MSC01E_INT_BASE, msc_eicirqmap, msc_nr_eicirqs);
+ else
+ init_msc_irqs(MIPS_SOCITSC_IC_REG_BASE, MSC01C_INT_BASE, msc_irqmap, msc_nr_irqs);
}
if (cpu_has_veic) {
- set_vi_handler (MSC01E_INT_I8259A, malta_hw0_irqdispatch);
- set_vi_handler (MSC01E_INT_COREHI, corehi_irqdispatch);
- setup_irq (MSC01E_INT_BASE+MSC01E_INT_I8259A, &i8259irq);
- setup_irq (MSC01E_INT_BASE+MSC01E_INT_COREHI, &corehi_irqaction);
+ set_vi_handler(MSC01E_INT_I8259A, malta_hw0_irqdispatch);
+ set_vi_handler(MSC01E_INT_COREHI, corehi_irqdispatch);
+ setup_irq(MSC01E_INT_BASE+MSC01E_INT_I8259A, &i8259irq);
+ setup_irq(MSC01E_INT_BASE+MSC01E_INT_COREHI, &corehi_irqaction);
}
else if (cpu_has_vint) {
- set_vi_handler (MIPSCPU_INT_I8259A, malta_hw0_irqdispatch);
- set_vi_handler (MIPSCPU_INT_COREHI, corehi_irqdispatch);
+ set_vi_handler(MIPSCPU_INT_I8259A, malta_hw0_irqdispatch);
+ set_vi_handler(MIPSCPU_INT_COREHI, corehi_irqdispatch);
#ifdef CONFIG_MIPS_MT_SMTC
- setup_irq_smtc (MIPSCPU_INT_BASE+MIPSCPU_INT_I8259A, &i8259irq,
+ setup_irq_smtc(MIPS_CPU_IRQ_BASE+MIPSCPU_INT_I8259A, &i8259irq,
(0x100 << MIPSCPU_INT_I8259A));
- setup_irq_smtc (MIPSCPU_INT_BASE+MIPSCPU_INT_COREHI,
+ setup_irq_smtc(MIPS_CPU_IRQ_BASE+MIPSCPU_INT_COREHI,
&corehi_irqaction, (0x100 << MIPSCPU_INT_COREHI));
+ /*
+ * Temporary hack to ensure that the subsidiary device
+ * interrupts coing in via the i8259A, but associated
+ * with low IRQ numbers, will restore the Status.IM
+ * value associated with the i8259A.
+ */
+ {
+ int i;
+
+ for (i = 0; i < 16; i++)
+ irq_hwmask[i] = (0x100 << MIPSCPU_INT_I8259A);
+ }
#else /* Not SMTC */
- setup_irq (MIPSCPU_INT_BASE+MIPSCPU_INT_I8259A, &i8259irq);
- setup_irq (MIPSCPU_INT_BASE+MIPSCPU_INT_COREHI, &corehi_irqaction);
+ setup_irq(MIPS_CPU_IRQ_BASE+MIPSCPU_INT_I8259A, &i8259irq);
+ setup_irq(MIPS_CPU_IRQ_BASE+MIPSCPU_INT_COREHI, &corehi_irqaction);
#endif /* CONFIG_MIPS_MT_SMTC */
}
else {
- setup_irq (MIPSCPU_INT_BASE+MIPSCPU_INT_I8259A, &i8259irq);
- setup_irq (MIPSCPU_INT_BASE+MIPSCPU_INT_COREHI, &corehi_irqaction);
+ setup_irq(MIPS_CPU_IRQ_BASE+MIPSCPU_INT_I8259A, &i8259irq);
+ setup_irq(MIPS_CPU_IRQ_BASE+MIPSCPU_INT_COREHI, &corehi_irqaction);
}
}