1 files changed, 105 insertions, 0 deletions
diff --git a/arch/mips/pci/fixup-jmr3927.c b/arch/mips/pci/fixup-jmr3927.c
new file mode 100644
index 000000000000..f8696081c5b1
--- /dev/null
+++ b/arch/mips/pci/fixup-jmr3927.c
@@ -0,0 +1,105 @@
+/*
+ *
+ * BRIEF MODULE DESCRIPTION
+ *      Board specific pci fixups.
+ *
+ * Copyright 2001 MontaVista Software Inc.
+ * Author: MontaVista Software, Inc.
+ *              ppopov@mvista.com or source@mvista.com
+ *
+ *  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  SOFTWARE  IS PROVIDED   ``AS  IS'' AND   ANY  EXPRESS OR IMPLIED
+ *  WARRANTIES,   INCLUDING, BUT NOT  LIMITED  TO, THE IMPLIED WARRANTIES OF
+ *  MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.  IN
+ *  NO  EVENT  SHALL   THE AUTHOR  BE    LIABLE FOR ANY   DIRECT, INDIRECT,
+ *  INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+ *  NOT LIMITED   TO, PROCUREMENT OF  SUBSTITUTE GOODS  OR SERVICES; LOSS OF
+ *  USE, DATA,  OR PROFITS; OR  BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
+ *  ANY THEORY OF LIABILITY, WHETHER IN  CONTRACT, STRICT LIABILITY, OR TORT
+ *  (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+ *  THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ *  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.,
+ *  675 Mass Ave, Cambridge, MA 02139, USA.
+ */
+#include <linux/types.h>
+#include <linux/pci.h>
+#include <linux/kernel.h>
+#include <linux/init.h>
+#include <asm/jmr3927/jmr3927.h>
+int __init pcibios_map_irq(struct pci_dev *dev, u8 slot, u8 pin)
+{
+        unsigned char irq = pin;
+        /* IRQ rotation (PICMG) */
+        irq--;                  /* 0-3 */
+        if (dev->bus->parent == NULL &&
+            slot == TX3927_PCIC_IDSEL_AD_TO_SLOT(23)) {
+                /* PCI CardSlot (IDSEL=A23, DevNu=12) */
+                /* PCIA => PCIC (IDSEL=A23) */
+                /* NOTE: JMR3927 JP1 must be set to OPEN */
+                irq = (irq + 2) % 4;
+        } else if (dev->bus->parent == NULL &&
+                   slot == TX3927_PCIC_IDSEL_AD_TO_SLOT(22)) {
+                /* PCI CardSlot (IDSEL=A22, DevNu=11) */
+                /* PCIA => PCIA (IDSEL=A22) */
+                /* NOTE: JMR3927 JP1 must be set to OPEN */
+                irq = (irq + 0) % 4;
+        } else {
+                /* PCI Backplane */
+                irq = (irq + 3 + slot) % 4;
+        }
+        irq++;                  /* 1-4 */
+        switch (irq) {
+        case 1:
+                irq = JMR3927_IRQ_IOC_PCIA;
+                break;
+        case 2:
+                // wrong for backplane irq = JMR3927_IRQ_IOC_PCIB;
+                irq = JMR3927_IRQ_IOC_PCID;
+                break;
+        case 3:
+                irq = JMR3927_IRQ_IOC_PCIC;
+                break;
+        case 4:
+                // wrong for backplane irq = JMR3927_IRQ_IOC_PCID;
+                irq = JMR3927_IRQ_IOC_PCIB;
+                break;
+        }
+        /* Check OnBoard Ethernet (IDSEL=A24, DevNu=13) */
+        if (dev->bus->parent == NULL &&
+            slot == TX3927_PCIC_IDSEL_AD_TO_SLOT(24)) {
+                extern int jmr3927_ether1_irq;
+                /* check this irq line was reserved for ether1 */
+                if (jmr3927_ether1_irq != JMR3927_IRQ_ETHER0)
+                        irq = JMR3927_IRQ_ETHER0;
+                else
+                        irq = 0;        /* disable */
+        }
+        return irq;
+}
+/* Do platform specific device initialization at pci_enable_device() time */
+int pcibios_plat_dev_init(struct pci_dev *dev)
+{
+        return 0;
+}
+int __init pcibios_map_irq(struct pci_dev *dev, u8 slot, u8 pin)
+{
+        /* SMSC SLC90E66 IDE uses irq 14, 15 (default) */
+        if (!(dev->vendor == PCI_VENDOR_ID_EFAR &&
+              dev->device == PCI_DEVICE_ID_EFAR_SLC90E66_1))
+                return pci_get_irq(dev, pin);
+        dev->irq = irq;
+}

diff --git a/arch/mips/pci/fixup-jmr3927.c b/arch/mips/pci/fixup-jmr3927.c new file mode 100644 index 000000000000..f8696081c5b1 --- /dev/null +++ b/arch/mips/pci/fixup-jmr3927.c
@@ -0,0 +1,105 @@
	1	/*
	2	*
	3	* BRIEF MODULE DESCRIPTION
	4	* Board specific pci fixups.
	5	*
	6	* Copyright 2001 MontaVista Software Inc.
	7	* Author: MontaVista Software, Inc.
	8	* ppopov@mvista.com or source@mvista.com
	9	*
	10	* This program is free software; you can redistribute it and/or modify it
	11	* under the terms of the GNU General Public License as published by the
	12	* Free Software Foundation; either version 2 of the License, or (at your
	13	* option) any later version.
	14	*
	15	* THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED
	16	* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
	17	* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN
	18	* NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
	19	* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
	20	* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
	21	* USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
	22	* ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
	23	* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
	24	* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
	25	*
	26	* You should have received a copy of the GNU General Public License along
	27	* with this program; if not, write to the Free Software Foundation, Inc.,
	28	* 675 Mass Ave, Cambridge, MA 02139, USA.
	29	*/
	30	#include <linux/types.h>
	31	#include <linux/pci.h>
	32	#include <linux/kernel.h>
	33	#include <linux/init.h>
	34
	35	#include <asm/jmr3927/jmr3927.h>
	36
	37	int __init pcibios_map_irq(struct pci_dev *dev, u8 slot, u8 pin)
	38	{
	39	unsigned char irq = pin;
	40
	41	/* IRQ rotation (PICMG) */
	42	irq--; /* 0-3 */
	43	if (dev->bus->parent == NULL &&
	44	slot == TX3927_PCIC_IDSEL_AD_TO_SLOT(23)) {
	45	/* PCI CardSlot (IDSEL=A23, DevNu=12) */
	46	/* PCIA => PCIC (IDSEL=A23) */
	47	/* NOTE: JMR3927 JP1 must be set to OPEN */
	48	irq = (irq + 2) % 4;
	49	} else if (dev->bus->parent == NULL &&
	50	slot == TX3927_PCIC_IDSEL_AD_TO_SLOT(22)) {
	51	/* PCI CardSlot (IDSEL=A22, DevNu=11) */
	52	/* PCIA => PCIA (IDSEL=A22) */
	53	/* NOTE: JMR3927 JP1 must be set to OPEN */
	54	irq = (irq + 0) % 4;
	55	} else {
	56	/* PCI Backplane */
	57	irq = (irq + 3 + slot) % 4;
	58	}
	59	irq++; /* 1-4 */
	60
	61	switch (irq) {
	62	case 1:
	63	irq = JMR3927_IRQ_IOC_PCIA;
	64	break;
	65	case 2:
	66	// wrong for backplane irq = JMR3927_IRQ_IOC_PCIB;
	67	irq = JMR3927_IRQ_IOC_PCID;
	68	break;
	69	case 3:
	70	irq = JMR3927_IRQ_IOC_PCIC;
	71	break;
	72	case 4:
	73	// wrong for backplane irq = JMR3927_IRQ_IOC_PCID;
	74	irq = JMR3927_IRQ_IOC_PCIB;
	75	break;
	76	}
	77
	78	/* Check OnBoard Ethernet (IDSEL=A24, DevNu=13) */
	79	if (dev->bus->parent == NULL &&
	80	slot == TX3927_PCIC_IDSEL_AD_TO_SLOT(24)) {
	81	extern int jmr3927_ether1_irq;
	82	/* check this irq line was reserved for ether1 */
	83	if (jmr3927_ether1_irq != JMR3927_IRQ_ETHER0)
	84	irq = JMR3927_IRQ_ETHER0;
	85	else
	86	irq = 0; /* disable */
	87	}
	88	return irq;
	89	}
	90
	91	/* Do platform specific device initialization at pci_enable_device() time */
	92	int pcibios_plat_dev_init(struct pci_dev *dev)
	93	{
	94	return 0;
	95	}
	96
	97	int __init pcibios_map_irq(struct pci_dev *dev, u8 slot, u8 pin)
	98	{
	99	/* SMSC SLC90E66 IDE uses irq 14, 15 (default) */
	100	if (!(dev->vendor == PCI_VENDOR_ID_EFAR &&
	101	dev->device == PCI_DEVICE_ID_EFAR_SLC90E66_1))
	102	return pci_get_irq(dev, pin);
	103
	104	dev->irq = irq;
	105	}