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Marc St-Jean
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Ralf Baechle
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Jul 10, 2007
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/* | ||
* PMC-Sierra MSP board specific pci fixups. | ||
* | ||
* Copyright 2001 MontaVista Software Inc. | ||
* Copyright 2005-2007 PMC-Sierra, 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. | ||
*/ | ||
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#ifdef CONFIG_PCI | ||
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#include <linux/types.h> | ||
#include <linux/pci.h> | ||
#include <linux/kernel.h> | ||
#include <linux/init.h> | ||
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#include <asm/byteorder.h> | ||
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#include <msp_pci.h> | ||
#include <msp_cic_int.h> | ||
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/* PCI interrupt pins */ | ||
#define IRQ4 MSP_INT_EXT4 | ||
#define IRQ5 MSP_INT_EXT5 | ||
#define IRQ6 MSP_INT_EXT6 | ||
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#if defined(CONFIG_PMC_MSP7120_GW) | ||
/* Garibaldi Board IRQ wiring to PCI slots */ | ||
static char irq_tab[][5] __initdata = { | ||
/* INTA INTB INTC INTD */ | ||
{0, 0, 0, 0, 0 }, /* (AD[0]): Unused */ | ||
{0, 0, 0, 0, 0 }, /* (AD[1]): Unused */ | ||
{0, 0, 0, 0, 0 }, /* (AD[2]): Unused */ | ||
{0, 0, 0, 0, 0 }, /* (AD[3]): Unused */ | ||
{0, 0, 0, 0, 0 }, /* (AD[4]): Unused */ | ||
{0, 0, 0, 0, 0 }, /* (AD[5]): Unused */ | ||
{0, 0, 0, 0, 0 }, /* (AD[6]): Unused */ | ||
{0, 0, 0, 0, 0 }, /* (AD[7]): Unused */ | ||
{0, 0, 0, 0, 0 }, /* (AD[8]): Unused */ | ||
{0, 0, 0, 0, 0 }, /* (AD[9]): Unused */ | ||
{0, 0, 0, 0, 0 }, /* 0 (AD[10]): Unused */ | ||
{0, 0, 0, 0, 0 }, /* 1 (AD[11]): Unused */ | ||
{0, 0, 0, 0, 0 }, /* 2 (AD[12]): Unused */ | ||
{0, 0, 0, 0, 0 }, /* 3 (AD[13]): Unused */ | ||
{0, 0, 0, 0, 0 }, /* 4 (AD[14]): Unused */ | ||
{0, 0, 0, 0, 0 }, /* 5 (AD[15]): Unused */ | ||
{0, 0, 0, 0, 0 }, /* 6 (AD[16]): Unused */ | ||
{0, 0, 0, 0, 0 }, /* 7 (AD[17]): Unused */ | ||
{0, 0, 0, 0, 0 }, /* 8 (AD[18]): Unused */ | ||
{0, 0, 0, 0, 0 }, /* 9 (AD[19]): Unused */ | ||
{0, 0, 0, 0, 0 }, /* 10 (AD[20]): Unused */ | ||
{0, 0, 0, 0, 0 }, /* 11 (AD[21]): Unused */ | ||
{0, 0, 0, 0, 0 }, /* 12 (AD[22]): Unused */ | ||
{0, 0, 0, 0, 0 }, /* 13 (AD[23]): Unused */ | ||
{0, 0, 0, 0, 0 }, /* 14 (AD[24]): Unused */ | ||
{0, 0, 0, 0, 0 }, /* 15 (AD[25]): Unused */ | ||
{0, 0, 0, 0, 0 }, /* 16 (AD[26]): Unused */ | ||
{0, 0, 0, 0, 0 }, /* 17 (AD[27]): Unused */ | ||
{0, IRQ4, IRQ4, 0, 0 }, /* 18 (AD[28]): slot 0 */ | ||
{0, 0, 0, 0, 0 }, /* 19 (AD[29]): Unused */ | ||
{0, IRQ5, IRQ5, 0, 0 }, /* 20 (AD[30]): slot 1 */ | ||
{0, IRQ6, IRQ6, 0, 0 } /* 21 (AD[31]): slot 2 */ | ||
}; | ||
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#elif defined(CONFIG_PMC_MSP7120_EVAL) | ||
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/* MSP7120 Eval Board IRQ wiring to PCI slots */ | ||
static char irq_tab[][5] __initdata = { | ||
/* INTA INTB INTC INTD */ | ||
{0, 0, 0, 0, 0 }, /* (AD[0]): Unused */ | ||
{0, 0, 0, 0, 0 }, /* (AD[1]): Unused */ | ||
{0, 0, 0, 0, 0 }, /* (AD[2]): Unused */ | ||
{0, 0, 0, 0, 0 }, /* (AD[3]): Unused */ | ||
{0, 0, 0, 0, 0 }, /* (AD[4]): Unused */ | ||
{0, 0, 0, 0, 0 }, /* (AD[5]): Unused */ | ||
{0, 0, 0, 0, 0 }, /* (AD[6]): Unused */ | ||
{0, 0, 0, 0, 0 }, /* (AD[7]): Unused */ | ||
{0, 0, 0, 0, 0 }, /* (AD[8]): Unused */ | ||
{0, 0, 0, 0, 0 }, /* (AD[9]): Unused */ | ||
{0, 0, 0, 0, 0 }, /* 0 (AD[10]): Unused */ | ||
{0, 0, 0, 0, 0 }, /* 1 (AD[11]): Unused */ | ||
{0, 0, 0, 0, 0 }, /* 2 (AD[12]): Unused */ | ||
{0, 0, 0, 0, 0 }, /* 3 (AD[13]): Unused */ | ||
{0, 0, 0, 0, 0 }, /* 4 (AD[14]): Unused */ | ||
{0, 0, 0, 0, 0 }, /* 5 (AD[15]): Unused */ | ||
{0, IRQ6, IRQ6, 0, 0 }, /* 6 (AD[16]): slot 3 (mini) */ | ||
{0, IRQ5, IRQ5, 0, 0 }, /* 7 (AD[17]): slot 2 (mini) */ | ||
{0, IRQ4, IRQ4, IRQ4, IRQ4}, /* 8 (AD[18]): slot 0 (PCI) */ | ||
{0, IRQ5, IRQ5, IRQ5, IRQ5}, /* 9 (AD[19]): slot 1 (PCI) */ | ||
{0, 0, 0, 0, 0 }, /* 10 (AD[20]): Unused */ | ||
{0, 0, 0, 0, 0 }, /* 11 (AD[21]): Unused */ | ||
{0, 0, 0, 0, 0 }, /* 12 (AD[22]): Unused */ | ||
{0, 0, 0, 0, 0 }, /* 13 (AD[23]): Unused */ | ||
{0, 0, 0, 0, 0 }, /* 14 (AD[24]): Unused */ | ||
{0, 0, 0, 0, 0 }, /* 15 (AD[25]): Unused */ | ||
{0, 0, 0, 0, 0 }, /* 16 (AD[26]): Unused */ | ||
{0, 0, 0, 0, 0 }, /* 17 (AD[27]): Unused */ | ||
{0, 0, 0, 0, 0 }, /* 18 (AD[28]): Unused */ | ||
{0, 0, 0, 0, 0 }, /* 19 (AD[29]): Unused */ | ||
{0, 0, 0, 0, 0 }, /* 20 (AD[30]): Unused */ | ||
{0, 0, 0, 0, 0 } /* 21 (AD[31]): Unused */ | ||
}; | ||
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#else | ||
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/* Unknown board -- don't assign any IRQs */ | ||
static char irq_tab[][5] __initdata = { | ||
/* INTA INTB INTC INTD */ | ||
{0, 0, 0, 0, 0 }, /* (AD[0]): Unused */ | ||
{0, 0, 0, 0, 0 }, /* (AD[1]): Unused */ | ||
{0, 0, 0, 0, 0 }, /* (AD[2]): Unused */ | ||
{0, 0, 0, 0, 0 }, /* (AD[3]): Unused */ | ||
{0, 0, 0, 0, 0 }, /* (AD[4]): Unused */ | ||
{0, 0, 0, 0, 0 }, /* (AD[5]): Unused */ | ||
{0, 0, 0, 0, 0 }, /* (AD[6]): Unused */ | ||
{0, 0, 0, 0, 0 }, /* (AD[7]): Unused */ | ||
{0, 0, 0, 0, 0 }, /* (AD[8]): Unused */ | ||
{0, 0, 0, 0, 0 }, /* (AD[9]): Unused */ | ||
{0, 0, 0, 0, 0 }, /* 0 (AD[10]): Unused */ | ||
{0, 0, 0, 0, 0 }, /* 1 (AD[11]): Unused */ | ||
{0, 0, 0, 0, 0 }, /* 2 (AD[12]): Unused */ | ||
{0, 0, 0, 0, 0 }, /* 3 (AD[13]): Unused */ | ||
{0, 0, 0, 0, 0 }, /* 4 (AD[14]): Unused */ | ||
{0, 0, 0, 0, 0 }, /* 5 (AD[15]): Unused */ | ||
{0, 0, 0, 0, 0 }, /* 6 (AD[16]): Unused */ | ||
{0, 0, 0, 0, 0 }, /* 7 (AD[17]): Unused */ | ||
{0, 0, 0, 0, 0 }, /* 8 (AD[18]): Unused */ | ||
{0, 0, 0, 0, 0 }, /* 9 (AD[19]): Unused */ | ||
{0, 0, 0, 0, 0 }, /* 10 (AD[20]): Unused */ | ||
{0, 0, 0, 0, 0 }, /* 11 (AD[21]): Unused */ | ||
{0, 0, 0, 0, 0 }, /* 12 (AD[22]): Unused */ | ||
{0, 0, 0, 0, 0 }, /* 13 (AD[23]): Unused */ | ||
{0, 0, 0, 0, 0 }, /* 14 (AD[24]): Unused */ | ||
{0, 0, 0, 0, 0 }, /* 15 (AD[25]): Unused */ | ||
{0, 0, 0, 0, 0 }, /* 16 (AD[26]): Unused */ | ||
{0, 0, 0, 0, 0 }, /* 17 (AD[27]): Unused */ | ||
{0, 0, 0, 0, 0 }, /* 18 (AD[28]): Unused */ | ||
{0, 0, 0, 0, 0 }, /* 19 (AD[29]): Unused */ | ||
{0, 0, 0, 0, 0 }, /* 20 (AD[30]): Unused */ | ||
{0, 0, 0, 0, 0 } /* 21 (AD[31]): Unused */ | ||
}; | ||
#endif | ||
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/***************************************************************************** | ||
* | ||
* FUNCTION: pcibios_plat_dev_init | ||
* _________________________________________________________________________ | ||
* | ||
* DESCRIPTION: Perform platform specific device initialization at | ||
* pci_enable_device() time. | ||
* None are needed for the MSP7120 PCI Controller. | ||
* | ||
* INPUTS: dev - structure describing the PCI device | ||
* | ||
* OUTPUTS: none | ||
* | ||
* RETURNS: PCIBIOS_SUCCESSFUL | ||
* | ||
****************************************************************************/ | ||
int pcibios_plat_dev_init(struct pci_dev *dev) | ||
{ | ||
return PCIBIOS_SUCCESSFUL; | ||
} | ||
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/***************************************************************************** | ||
* | ||
* FUNCTION: pcibios_map_irq | ||
* _________________________________________________________________________ | ||
* | ||
* DESCRIPTION: Perform board supplied PCI IRQ mapping routine. | ||
* | ||
* INPUTS: dev - unused | ||
* slot - PCI slot. Identified by which bit of the AD[] bus | ||
* drives the IDSEL line. AD[10] is 0, AD[31] is | ||
* slot 21. | ||
* pin - numbered using the scheme of the PCI_INTERRUPT_PIN | ||
* field of the config header. | ||
* | ||
* OUTPUTS: none | ||
* | ||
* RETURNS: IRQ number | ||
* | ||
****************************************************************************/ | ||
int __init pcibios_map_irq(struct pci_dev *dev, u8 slot, u8 pin) | ||
{ | ||
#if !defined(CONFIG_PMC_MSP7120_GW) && !defined(CONFIG_PMC_MSP7120_EVAL) | ||
printk(KERN_WARNING "PCI: unknown board, no PCI IRQs assigned.\n"); | ||
#endif | ||
printk(KERN_WARNING "PCI: irq_tab returned %d for slot=%d pin=%d\n", | ||
irq_tab[slot][pin], slot, pin); | ||
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return irq_tab[slot][pin]; | ||
} | ||
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#endif /* CONFIG_PCI */ |
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