#include <watchdog.h>
#include <command.h>
#include <asm/processor.h>
-#include <ppc_asm.tmpl>
-unsigned decrementer_count; /* count value for 1e6/HZ microseconds */
-
-static __inline__ unsigned long get_msr(void)
-{
- unsigned long msr;
-
- asm volatile("mfmsr %0" : "=r" (msr) :);
- return msr;
-}
-
-static __inline__ void set_msr(unsigned long msr)
+int interrupt_init_cpu(unsigned long *decrementer_count)
{
- asm volatile("mtmsr %0" : : "r" (msr));
- asm volatile("isync");
-}
-
-static __inline__ unsigned long get_dec (void)
-{
- unsigned long val;
-
- asm volatile ("mfdec %0":"=r" (val):);
-
- return val;
-}
+ volatile ccsr_pic_t *pic = (void *)(CONFIG_SYS_MPC85xx_PIC_ADDR);
+ pic->gcr = MPC85xx_PICGCR_RST;
+ while (pic->gcr & MPC85xx_PICGCR_RST)
+ ;
+ pic->gcr = MPC85xx_PICGCR_M;
-static __inline__ void set_dec (unsigned long val)
-{
- if (val)
- asm volatile ("mtdec %0"::"r" (val));
-}
-
-void enable_interrupts (void)
-{
- set_msr (get_msr() | MSR_EE);
-}
+ *decrementer_count = get_tbclk() / CONFIG_SYS_HZ;
-/* returns flag if MSR_EE was set before */
-int disable_interrupts (void)
-{
- ulong msr = get_msr();
- set_msr (msr & ~MSR_EE);
- return ((msr & MSR_EE) != 0);
-}
+ /* PIE is same as DIE, dec interrupt enable */
+ mtspr(SPRN_TCR, TCR_PIE);
-int interrupt_init (void)
-{
- volatile immap_t *immr = (immap_t *)CFG_IMMR;
+#ifdef CONFIG_INTERRUPTS
+ pic->iivpr1 = 0x810001; /* 50220 enable ecm interrupts */
+ debug("iivpr1@%x = %x\n", (uint)&pic->iivpr1, pic->iivpr1);
+
+ pic->iivpr2 = 0x810002; /* 50240 enable ddr interrupts */
+ debug("iivpr2@%x = %x\n", (uint)&pic->iivpr2, pic->iivpr2);
+
+ pic->iivpr3 = 0x810003; /* 50260 enable lbc interrupts */
+ debug("iivpr3@%x = %x\n", (uint)&pic->iivpr3, pic->iivpr3);
+
+#ifdef CONFIG_PCI1
+ pic->iivpr8 = 0x810008; /* enable pci1 interrupts */
+ debug("iivpr8@%x = %x\n", (uint)&pic->iivpr8, pic->iivpr8);
+#endif
+#if defined(CONFIG_PCI2) || defined(CONFIG_PCIE2)
+ pic->iivpr9 = 0x810009; /* enable pci1 interrupts */
+ debug("iivpr9@%x = %x\n", (uint)&pic->iivpr9, pic->iivpr9);
+#endif
+#ifdef CONFIG_PCIE1
+ pic->iivpr10 = 0x81000a; /* enable pcie1 interrupts */
+ debug("iivpr10@%x = %x\n", (uint)&pic->iivpr10, pic->iivpr10);
+#endif
+#ifdef CONFIG_PCIE3
+ pic->iivpr11 = 0x81000b; /* enable pcie3 interrupts */
+ debug("iivpr11@%x = %x\n", (uint)&pic->iivpr11, pic->iivpr11);
+#endif
+
+ pic->ctpr=0; /* 40080 clear current task priority register */
+#endif
- immr->im_pic.gcr = MPC85xx_PICGCR_RST;
- while (immr->im_pic.gcr & MPC85xx_PICGCR_RST);
- immr->im_pic.gcr = MPC85xx_PICGCR_M;
- decrementer_count = get_tbclk() / CFG_HZ;
- mtspr(SPRN_TCR, TCR_PIE);
- set_dec (decrementer_count);
- set_msr (get_msr () | MSR_EE);
return (0);
}
-/*
- * Install and free a interrupt handler. Not implemented yet.
- */
+/* Install and free a interrupt handler. Not implemented yet. */
void
irq_install_handler(int vec, interrupt_handler_t *handler, void *arg)
return;
}
-/****************************************************************************/
-
-
-volatile ulong timestamp = 0;
-
-/*
- * timer_interrupt - gets called when the decrementer overflows,
- * with interrupts disabled.
- * Trivial implementation - no need to be really accurate.
- */
-void timer_interrupt(struct pt_regs *regs)
+void timer_interrupt_cpu(struct pt_regs *regs)
{
- timestamp++;
- set_dec (decrementer_count);
+ /* PIS is same as DIS, dec interrupt status */
mtspr(SPRN_TSR, TSR_PIS);
-#if defined(CONFIG_WATCHDOG)
- if ((timestamp % 1000) == 0)
- reset_85xx_watchdog();
-#endif /* CONFIG_WATCHDOG */
}
-void reset_timer (void)
+#if defined(CONFIG_CMD_IRQ)
+/* irqinfo - print information about PCI devices,not implemented. */
+int do_irqinfo(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
{
- timestamp = 0;
-}
-
-ulong get_timer (ulong base)
-{
- return (timestamp - base);
-}
-
-void set_timer (ulong t)
-{
- timestamp = t;
-}
-
-#if (CONFIG_COMMANDS & CFG_CMD_IRQ)
-
-/*******************************************************************************
- *
- * irqinfo - print information about PCI devices,not implemented.
- *
- */
-int
-do_irqinfo(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
-{
- printf ("\nInterrupt-unsupported:\n");
-
return 0;
}
-
-#endif /* CONFIG_COMMANDS & CFG_CMD_IRQ */
+#endif