mirror of
https://mirrors.bfsu.edu.cn/git/linux.git
synced 2024-11-18 09:44:18 +08:00
fc095a9021
The following change updates the Atlas interrupt handling to match that of Malta. Tested with a 5Kc and a 34Kf successfully. Signed-off-by: Maciej W. Rozycki <macro@mips.com> Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
92 lines
2.9 KiB
C
92 lines
2.9 KiB
C
/*
|
|
* Copyright (C) 2003, 2004 Ralf Baechle (ralf@linux-mips.org)
|
|
* Copyright (C) 2005 MIPS Technologies, Inc. All rights reserved.
|
|
* Author: Maciej W. Rozycki <macro@mips.com>
|
|
*
|
|
* This program is free software; you can distribute it and/or modify it
|
|
* under the terms 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/init.h>
|
|
#include <linux/pci.h>
|
|
|
|
#include <asm/mips-boards/atlasint.h>
|
|
|
|
#define PCIA ATLAS_INT_PCIA
|
|
#define PCIB ATLAS_INT_PCIB
|
|
#define PCIC ATLAS_INT_PCIC
|
|
#define PCID ATLAS_INT_PCID
|
|
#define INTA ATLAS_INT_INTA
|
|
#define INTB ATLAS_INT_INTB
|
|
#define ETH ATLAS_INT_ETH
|
|
#define INTC ATLAS_INT_INTC
|
|
#define SCSI ATLAS_INT_SCSI
|
|
#define INTD ATLAS_INT_INTD
|
|
|
|
static char irq_tab[][5] __initdata = {
|
|
/* INTA INTB INTC INTD */
|
|
{0, 0, 0, 0, 0 }, /* 0: Unused */
|
|
{0, 0, 0, 0, 0 }, /* 1: Unused */
|
|
{0, 0, 0, 0, 0 }, /* 2: Unused */
|
|
{0, 0, 0, 0, 0 }, /* 3: Unused */
|
|
{0, 0, 0, 0, 0 }, /* 4: Unused */
|
|
{0, 0, 0, 0, 0 }, /* 5: Unused */
|
|
{0, 0, 0, 0, 0 }, /* 6: Unused */
|
|
{0, 0, 0, 0, 0 }, /* 7: Unused */
|
|
{0, 0, 0, 0, 0 }, /* 8: Unused */
|
|
{0, 0, 0, 0, 0 }, /* 9: Unused */
|
|
{0, 0, 0, 0, 0 }, /* 10: Unused */
|
|
{0, 0, 0, 0, 0 }, /* 11: Unused */
|
|
{0, 0, 0, 0, 0 }, /* 12: Unused */
|
|
{0, 0, 0, 0, 0 }, /* 13: Unused */
|
|
{0, 0, 0, 0, 0 }, /* 14: Unused */
|
|
{0, PCIA, PCIB, PCIC, PCID }, /* 15: cPCI (behind 21150) */
|
|
{0, SCSI, 0, 0, 0 }, /* 16: SYM53C810A SCSI */
|
|
{0, 0, 0, 0, 0 }, /* 17: Core */
|
|
{0, INTA, INTB, INTC, INTD }, /* 18: PCI Slot */
|
|
{0, ETH, 0, 0, 0 }, /* 19: SAA9730 Eth. et al. */
|
|
{0, 0, 0, 0, 0 }, /* 20: Unused */
|
|
{0, 0, 0, 0, 0 } /* 21: Unused */
|
|
};
|
|
|
|
int __init pcibios_map_irq(struct pci_dev *dev, u8 slot, u8 pin)
|
|
{
|
|
return irq_tab[slot][pin];
|
|
}
|
|
|
|
/* Do platform specific device initialization at pci_enable_device() time */
|
|
int pcibios_plat_dev_init(struct pci_dev *dev)
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
#ifdef CONFIG_KGDB
|
|
/*
|
|
* The PCI scan may have moved the saa9730 I/O address, so reread
|
|
* the address here.
|
|
* This does mean that it's not possible to debug the PCI bus configuration
|
|
* code, but it is better than nothing...
|
|
*/
|
|
|
|
static void atlas_saa9730_base_fixup (struct pci_dev *pdev)
|
|
{
|
|
extern void *saa9730_base;
|
|
if (pdev->bus == 0 && PCI_SLOT(pdev->devfn) == 19)
|
|
(void) pci_read_config_dword (pdev, 0x14, (u32 *)&saa9730_base);
|
|
printk ("saa9730_base = %x\n", saa9730_base);
|
|
}
|
|
|
|
DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_PHILIPS, PCI_DEVICE_ID_PHILIPS_SAA9730,
|
|
atlas_saa9730_base_fixup);
|
|
|
|
#endif
|