1 files changed, 0 insertions, 156 deletions
diff --git a/target/linux/imx6/files-3.10/arch/arm/mach-imx/msi.c b/target/linux/imx6/files-3.10/arch/arm/mach-imx/msi.c
deleted file mode 100644
index 8850eaf..0000000
--- a/target/linux/imx6/files-3.10/arch/arm/mach-imx/msi.c
+++ /dev/null
@@ -1,156 +0,0 @@
-/*
- * arch/arm/mach-mx6/msi.c
- *
- * PCI MSI support for the imx processor
- *
- * Copyright (c) 2013, Boundary Devices.
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms and conditions of the GNU General Public License,
- * version 2, as published by the Free Software Foundation.
- *
- * This program is distributed in the hope 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 <linux/module.h>
-#include <linux/pci.h>
-#include <linux/msi.h>
-#include <asm/bitops.h>
-#include <asm/mach/irq.h>
-#include <asm/irq.h>
-#include <linux/irqchip/chained_irq.h>
-
-#include "hardware.h"
-#include "msi.h"
-
-#define IMX_NUM_MSI_IRQS 128
-static DECLARE_BITMAP(msi_irq_in_use, IMX_NUM_MSI_IRQS);
-static int irq_base;
-
-static void imx_msi_handler(unsigned int irq, struct irq_desc *desc)
-{
-	int i, j;
-	unsigned status;
-	struct irq_chip *chip = irq_get_chip(irq);
-
-	irq_base = irq_alloc_descs(-1, 0, IMX_NUM_MSI_IRQS, 0);
-	if (irq_base < 0) {
-		printk(KERN_ERR "%s: could not allocate IRQ numbers\n", __func__);
-		return;
-	}
-
-	chained_irq_enter(chip, desc);
-	for (i = 0; i < 8; i++) {
-		status = imx_pcie_msi_pending(i);
-		while (status) {
-			j = __fls(status);
-			generic_handle_irq(irq_base + j);
-			status &= ~(1 << j);
-		}
-		irq_base += 32;
-	}
-	chained_irq_exit(chip, desc);
-}
-
-/*
- * Dynamic irq allocate and deallocation
- */
-int create_irq(void)
-{
-	int irq, pos;
-
-	do {
-		pos = find_first_zero_bit(msi_irq_in_use, IMX_NUM_MSI_IRQS);
-		if ((unsigned)pos >= IMX_NUM_MSI_IRQS)
-			return -ENOSPC;
-		/* test_and_set_bit operates on 32-bits at a time */
-	} while (test_and_set_bit(pos, msi_irq_in_use));
-
-	irq = irq_base + pos;
-	dynamic_irq_init(irq);
-	return irq;
-}
-
-void destroy_irq(unsigned int irq)
-{
-	int pos = irq - irq_base;
-
-	dynamic_irq_cleanup(irq);
-	clear_bit(pos, msi_irq_in_use);
-}
-
-void arch_teardown_msi_irq(unsigned int irq)
-{
-	destroy_irq(irq);
-}
-
-static void imx_msi_irq_ack(struct irq_data *d)
-{
-	return;
-}
-
-static void imx_msi_irq_enable(struct irq_data *d)
-{
-	imx_pcie_enable_irq(d->irq - irq_base, 1);
-	return unmask_msi_irq(d);
-}
-
-static void imx_msi_irq_disable(struct irq_data *d)
-{
-	imx_pcie_enable_irq(d->irq - irq_base, 0);
-	return mask_msi_irq(d);
-}
-
-static void imx_msi_irq_mask(struct irq_data *d)
-{
-	imx_pcie_mask_irq(d->irq - irq_base, 1);
-	return mask_msi_irq(d);
-}
-
-static void imx_msi_irq_unmask(struct irq_data *d)
-{
-	imx_pcie_mask_irq(d->irq - irq_base, 0);
-	return unmask_msi_irq(d);
-}
-
-static struct irq_chip imx_msi_chip = {
-	.name = "PCIe-MSI",
-	.irq_ack = imx_msi_irq_ack,
-	.irq_enable = imx_msi_irq_enable,
-	.irq_disable = imx_msi_irq_disable,
-	.irq_mask = imx_msi_irq_mask,
-	.irq_unmask = imx_msi_irq_unmask,
-};
-
-int arch_setup_msi_irq(struct pci_dev *pdev, struct msi_desc *desc)
-{
-	int irq = create_irq();
-	struct msi_msg msg;
-
-	if (irq < 0)
-		return irq;
-
-	irq_set_msi_desc(irq, desc);
-
-	msg.address_hi = 0x0;
-	msg.address_lo = MSI_MATCH_ADDR;
-	msg.data = (mxc_cpu_type << 15) | ((irq - irq_base) & 0xff);
-
-	write_msi_msg(irq, &msg);
-	irq_set_chip_and_handler(irq, &imx_msi_chip, handle_simple_irq);
-	set_irq_flags(irq, IRQF_VALID);
-	pr_info("%s: %d of %d\n", __func__, irq, NR_IRQS);
-	return 0;
-}
-
-void imx_msi_init(void)
-{
-	irq_set_chained_handler(MXC_INT_PCIE_0, imx_msi_handler);
-}