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mirror of git://projects.qi-hardware.com/openwrt-xburst.git synced 2025-04-21 12:27:27 +03:00

IRQ handler rewrite by Gabor Juhos, uses C no longer assembly

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@7464 3c298f89-4303-0410-b956-a3cf2f4a3e73
This commit is contained in:
florian
2007-06-02 23:13:51 +00:00
parent c30dde7940
commit 8366dfac71
14 changed files with 518 additions and 384 deletions

View File

@@ -1,38 +1,48 @@
/*
* Copyright (C) ADMtek Incorporated.
* Copyright (C) 2005 Jeroen Vreeken (pe1rxq@amsat.org)
* Copyright (C) 2007 Gabor Juhos <juhosg@freemail.hu>
* Copyright (C) 2007 OpenWrt.org
* $Id$
*
* ADM5120 PCI Host Controller driver
*
* Copyright (C) ADMtek Incorporated.
* Copyright (C) 2005 Jeroen Vreeken (pe1rxq@amsat.org)
* Copyright (C) 2007 Gabor Juhos <juhosg@freemail.hu>
* Copyright (C) 2007 OpenWrt.org
*
* 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 program is distributed in the hope that 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., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301, USA.
*
*/
#include <linux/autoconf.h>
#include <linux/types.h>
#include <linux/pci.h>
#include <linux/kernel.h>
#include <linux/init.h>
#include <adm5120_info.h>
#include <adm5120_defs.h>
#include <asm/mach-adm5120/adm5120_info.h>
#include <asm/mach-adm5120/adm5120_defs.h>
#include <asm/mach-adm5120/adm5120_irq.h>
extern struct pci_ops adm5120_pci_ops;
#define PCI_CMM_IOACC_EN 0x1
#define PCI_CMM_MEMACC_EN 0x2
#define PCI_CMM_MASTER_EN 0x4
#define PCI_CMM_DEF \
(PCI_CMM_IOACC_EN | PCI_CMM_MEMACC_EN | PCI_CMM_MASTER_EN)
#define PCI_DEF_CACHE_LINE_SZ 4
struct resource pci_io_resource = {
static struct resource pci_io_resource = {
.name = "ADM5120 PCI I/O",
.start = ADM5120_PCIIO_BASE,
.end = ADM5120_PCICFG_ADDR-1,
.flags = IORESOURCE_IO
};
struct resource pci_mem_resource = {
static struct resource pci_mem_resource = {
.name = "ADM5120 PCI MEM",
.start = ADM5120_PCIMEM_BASE,
.end = ADM5120_PCIIO_BASE-1,
@@ -45,32 +55,6 @@ static struct pci_controller adm5120_controller = {
.mem_resource = &pci_mem_resource,
};
int __init pcibios_map_irq(struct pci_dev *dev, u8 slot, u8 pin)
{
if (slot < 2 || slot > 4)
return -1;
return slot + 4;
}
static void adm5120_pci_fixup(struct pci_dev *dev)
{
if (dev->devfn == 0) {
pci_write_config_word(dev, PCI_COMMAND, PCI_CMM_DEF);
pci_write_config_byte(dev, PCI_CACHE_LINE_SIZE,
PCI_DEF_CACHE_LINE_SZ);
pci_write_config_dword(dev, PCI_BASE_ADDRESS_0, 0);
pci_write_config_dword(dev, PCI_BASE_ADDRESS_1, 0);
}
}
DECLARE_PCI_FIXUP_HEADER(PCI_ANY_ID, PCI_ANY_ID, adm5120_pci_fixup);
int pcibios_plat_dev_init(struct pci_dev *dev)
{
return 0;
}
static int __init adm5120_pci_setup(void)
{
int pci_bios;
@@ -79,7 +63,7 @@ static int __init adm5120_pci_setup(void)
printk("adm5120: system has %sPCI BIOS\n", pci_bios ? "" : "no ");
if (pci_bios == 0)
return 1;
return -1;
/* Avoid ISA compat ranges. */
PCIBIOS_MIN_IO = 0x00000000;