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Diffstat (limited to 'cpu/ppc4xx/xilinx_irq.c')
-rw-r--r--cpu/ppc4xx/xilinx_irq.c100
1 files changed, 0 insertions, 100 deletions
diff --git a/cpu/ppc4xx/xilinx_irq.c b/cpu/ppc4xx/xilinx_irq.c
deleted file mode 100644
index 7108777..0000000
--- a/cpu/ppc4xx/xilinx_irq.c
+++ /dev/null
@@ -1,100 +0,0 @@
-/*
- * (C) Copyright 2008
- * Ricado Ribalda-Universidad Autonoma de Madrid-ricardo.ribalda@uam.es
- * This work has been supported by: QTechnology http://qtec.com/
- * Based on interrupts.c Wolfgang Denk-DENX Software Engineering-wd@denx.de
- * 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, see <http://www.gnu.org/licenses/>.
-*/
-#include <common.h>
-#include <watchdog.h>
-#include <command.h>
-#include <asm/processor.h>
-#include <asm/interrupt.h>
-#include <ppc4xx.h>
-#include <ppc_asm.tmpl>
-#include <commproc.h>
-#include <asm/io.h>
-#include <asm/xilinx_irq.h>
-
-DECLARE_GLOBAL_DATA_PTR;
-
-void pic_enable(void)
-{
- debug("Xilinx PIC at 0x%8x\n", intc);
-
- /*
- * Disable all external interrupts until they are
- * explicitly requested.
- */
- out_be32((u32 *) IER, 0);
-
- /* Acknowledge any pending interrupts just in case. */
- out_be32((u32 *) IAR, 0xffffffff);
-
- /* Turn on the Master Enable. */
- out_be32((u32 *) MER, 0x3UL);
-
- return;
-}
-
-int xilinx_pic_irq_get(void)
-{
- u32 irq;
- irq = in_be32((u32 *) IVR);
-
- /* If no interrupt is pending then all bits of the IVR are set to 1. As
- * the IVR is as many bits wide as numbers of inputs are available.
- * Therefore, if all bits of the IVR are set to one, its content will
- * be bigger than XPAR_INTC_MAX_NUM_INTR_INPUTS.
- */
- if (irq >= XPAR_INTC_MAX_NUM_INTR_INPUTS)
- irq = -1; /* report no pending interrupt. */
-
- debug("get_irq: %d\n", irq);
- return (irq);
-}
-
-void pic_irq_enable(unsigned int irq)
-{
- u32 mask = IRQ_MASK(irq);
- debug("enable: %d\n", irq);
- out_be32((u32 *) SIE, mask);
-}
-
-void pic_irq_disable(unsigned int irq)
-{
- u32 mask = IRQ_MASK(irq);
- debug("disable: %d\n", irq);
- out_be32((u32 *) CIE, mask);
-}
-
-void pic_irq_ack(unsigned int irq)
-{
- u32 mask = IRQ_MASK(irq);
- debug("ack: %d\n", irq);
- out_be32((u32 *) IAR, mask);
-}
-
-void external_interrupt(struct pt_regs *regs)
-{
- int irq;
-
- irq = xilinx_pic_irq_get();
- if (irq < 0)
- return;
-
- interrupt_run_handler(irq);
-
- return;
-}