1 files changed, 110 insertions, 0 deletions
diff --git a/arch/ppc/cpu/mpc85xx/interrupts.c b/arch/ppc/cpu/mpc85xx/interrupts.c
new file mode 100644
index 0000000..409367d
--- /dev/null
+++ b/arch/ppc/cpu/mpc85xx/interrupts.c
@@ -0,0 +1,110 @@
+/*
+ * (C) Copyright 2000-2002
+ * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
+ *
+ * (C) Copyright 2002 (440 port)
+ * Scott McNutt, Artesyn Communication Producs, smcnutt@artsyncp.com
+ *
+ * (C) Copyright 2003 Motorola Inc. (MPC85xx port)
+ * Xianghua Xiao (X.Xiao@motorola.com)
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+#include <common.h>
+#include <watchdog.h>
+#include <command.h>
+#include <asm/processor.h>
+#include <asm/io.h>
+
+int interrupt_init_cpu(unsigned int *decrementer_count)
+{
+	ccsr_pic_t __iomem *pic = (void *)CONFIG_SYS_MPC85xx_PIC_ADDR;
+
+	out_be32(&pic->gcr, MPC85xx_PICGCR_RST);
+	while (in_be32(&pic->gcr) & MPC85xx_PICGCR_RST)
+		;
+	out_be32(&pic->gcr, MPC85xx_PICGCR_M);
+	in_be32(&pic->gcr);
+
+	*decrementer_count = get_tbclk() / CONFIG_SYS_HZ;
+
+	/* PIE is same as DIE, dec interrupt enable */
+	mtspr(SPRN_TCR, TCR_PIE);
+
+#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
+
+	return (0);
+}
+
+/* Install and free a interrupt handler. Not implemented yet. */
+
+void
+irq_install_handler(int vec, interrupt_handler_t *handler, void *arg)
+{
+	return;
+}
+
+void
+irq_free_handler(int vec)
+{
+	return;
+}
+
+void timer_interrupt_cpu(struct pt_regs *regs)
+{
+	/* PIS is same as DIS, dec interrupt status */
+	mtspr(SPRN_TSR, TSR_PIS);
+}
+
+#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[])
+{
+	return 0;
+}
+#endif