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Diffstat (limited to 'cpu/mpc86xx/interrupts.c')
-rw-r--r--cpu/mpc86xx/interrupts.c55
1 files changed, 31 insertions, 24 deletions
diff --git a/cpu/mpc86xx/interrupts.c b/cpu/mpc86xx/interrupts.c
index 49820bb..d9f634f 100644
--- a/cpu/mpc86xx/interrupts.c
+++ b/cpu/mpc86xx/interrupts.c
@@ -8,7 +8,7 @@
* (C) Copyright 2003 Motorola Inc. (MPC85xx port)
* Xianghua Xiao (X.Xiao@motorola.com)
*
- * (C) Copyright 2004 Freescale Semiconductor. (MPC86xx Port)
+ * (C) Copyright 2004, 2007 Freescale Semiconductor. (MPC86xx Port)
* Jeff Brown
* Srikanth Srinivasan (srikanth.srinivasan@freescale.com)
*
@@ -71,7 +71,7 @@ static __inline__ void set_dec(unsigned long val)
}
/* interrupt is not supported yet */
-int interrupt_init_cpu(unsigned *decrementer_count)
+int interrupt_init_cpu(unsigned long *decrementer_count)
{
return 0;
}
@@ -80,25 +80,10 @@ int interrupt_init(void)
{
int ret;
- /*
- * The IRQ0 on Rev 2 is pulled high (low in Rev 1.x) to
- * implement PEX10 errata. As INT is active high, it
- * will cause core to take 0x500 interrupt.
- *
- * Due to the PIC's default pass through mode, as soon
- * as interrupts are enabled (MSR[EE] = 1), an interrupt
- * will be taken and u-boot will hang. This is due to a
- * hardware change (per an errata fix) on new revisions
- * of the board with Rev 2.x parts.
- *
- * Setting the PIC to mixed mode prevents the hang.
- */
- if ((get_svr() & 0xf0) == 0x20) {
- volatile immap_t *immr = (immap_t *)CFG_IMMR;
- immr->im_pic.gcr = MPC86xx_PICGCR_RST;
- while (immr->im_pic.gcr & MPC86xx_PICGCR_RST);
- immr->im_pic.gcr = MPC86xx_PICGCR_MODE;
- }
+ volatile immap_t *immr = (immap_t *)CFG_IMMR;
+ immr->im_pic.gcr = MPC86xx_PICGCR_RST;
+ while (immr->im_pic.gcr & MPC86xx_PICGCR_RST);
+ immr->im_pic.gcr = MPC86xx_PICGCR_MODE;
/* call cpu specific function from $(CPU)/interrupts.c */
ret = interrupt_init_cpu(&decrementer_count);
@@ -107,7 +92,7 @@ int interrupt_init(void)
return ret;
decrementer_count = get_tbclk() / CFG_HZ;
- debug("interrupt init: tbclk() = %d MHz, decrementer_count = %d\n",
+ debug("interrupt init: tbclk() = %d MHz, decrementer_count = %ld\n",
(get_tbclk() / 1000000),
decrementer_count);
@@ -119,6 +104,30 @@ int interrupt_init(void)
get_msr(),
get_dec());
+#ifdef CONFIG_INTERRUPTS
+ volatile ccsr_pic_t *pic = &immr->im_pic;
+
+ pic->iivpr1 = 0x810001; /* 50220 enable mcm interrupts */
+ debug("iivpr1@%x = %x\n", &pic->iivpr1, pic->iivpr1);
+
+ pic->iivpr2 = 0x810002; /* 50240 enable ddr interrupts */
+ debug("iivpr2@%x = %x\n", &pic->iivpr2, pic->iivpr2);
+
+ pic->iivpr3 = 0x810003; /* 50260 enable lbc interrupts */
+ debug("iivpr3@%x = %x\n", &pic->iivpr3, pic->iivpr3);
+
+#if defined(CONFIG_PCI1) || defined(CONFIG_PCIE1)
+ pic->iivpr8 = 0x810008; /* enable pcie1 interrupts */
+ debug("iivpr8@%x = %x\n", &pic->iivpr8, pic->iivpr8);
+#endif
+#if defined(CONFIG_PCI2) || defined(CONFIG_PCIE2)
+ pic->iivpr9 = 0x810009; /* enable pcie2 interrupts */
+ debug("iivpr9@%x = %x\n", &pic->iivpr9, pic->iivpr9);
+#endif
+
+ pic->ctpr = 0; /* 40080 clear current task priority register */
+#endif
+
return 0;
}
@@ -158,8 +167,6 @@ void timer_interrupt(struct pt_regs *regs)
timestamp++;
- ppcDcbf(&timestamp);
-
/* Restore Decrementer Count */
set_dec(decrementer_count);