217 строки
8.1 KiB
C
217 строки
8.1 KiB
C
/*
|
|
* 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.
|
|
*/
|
|
|
|
#ifdef CONFIG_PCI
|
|
|
|
#include <linux/types.h>
|
|
#include <linux/pci.h>
|
|
#include <linux/kernel.h>
|
|
#include <linux/init.h>
|
|
|
|
#include <asm/byteorder.h>
|
|
|
|
#include <msp_pci.h>
|
|
#include <msp_cic_int.h>
|
|
|
|
/* PCI interrupt pins */
|
|
#define IRQ4 MSP_INT_EXT4
|
|
#define IRQ5 MSP_INT_EXT5
|
|
#define IRQ6 MSP_INT_EXT6
|
|
|
|
#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 */
|
|
};
|
|
|
|
#elif defined(CONFIG_PMC_MSP7120_EVAL)
|
|
|
|
/* 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 */
|
|
};
|
|
|
|
#else
|
|
|
|
/* 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
|
|
|
|
/*****************************************************************************
|
|
*
|
|
* 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;
|
|
}
|
|
|
|
/*****************************************************************************
|
|
*
|
|
* 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(const 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);
|
|
|
|
return irq_tab[slot][pin];
|
|
}
|
|
|
|
#endif /* CONFIG_PCI */
|