/*
- * $Id$
- *
* ADM5120 PCI Host Controller driver
*
- * Copyright (C) ADMtek Incorporated.
- * Copyright (C) 2005 Jeroen Vreeken (pe1rxq@amsat.org)
- * Copyright (C) 2007 Gabor Juhos <juhosg at openwrt.org>
- * Copyright (C) 2007 OpenWrt.org
+ * Copyright (C) 2007-2008 Gabor Juhos <juhosg@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 code was based on the ADM5120 specific port of the Linux 2.6.10 kernel
+ * done by Jeroen Vreeken
+ * Copyright (C) 2005 Jeroen Vreeken (pe1rxq@amsat.org)
*
- * 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.
+ * Jeroen's code was based on the Linux 2.4.xx source codes found in various
+ * tarballs released by Edimax for it's ADM5120 based devices
+ * Copyright (C) ADMtek Incorporated
*
- * 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.
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 as published
+ * by the Free Software Foundation.
*
*/
#include <linux/types.h>
#include <linux/kernel.h>
#include <linux/init.h>
#include <linux/spinlock.h>
+#include <linux/io.h>
+#include <linux/delay.h>
#include <linux/pci.h>
#include <linux/pci_ids.h>
#include <linux/pci_regs.h>
-#include <asm/io.h>
-#include <asm/delay.h>
#include <asm/bootinfo.h>
-#include <adm5120_defs.h>
-#include <adm5120_info.h>
-#include <adm5120_defs.h>
-#include <adm5120_platform.h>
+#include <asm/mach-adm5120/adm5120_defs.h>
+#include <asm/mach-adm5120/adm5120_info.h>
+#include <asm/mach-adm5120/adm5120_defs.h>
+#include <asm/mach-adm5120/adm5120_platform.h>
#undef DEBUG
#ifdef DEBUG
-#define DBG(f, a...) printk(KERN_DEBUG f, ## a )
+#define DBG(f, a...) printk(KERN_DEBUG f, ## a)
#else
#define DBG(f, a...) do {} while (0)
#endif
/* -------------------------------------------------------------------------*/
-static unsigned int adm5120_pci_nr_irqs __initdata = 0;
-static struct adm5120_pci_irq *adm5120_pci_irq_map __initdata = NULL;
+static unsigned int adm5120_pci_nr_irqs __initdata;
+static struct adm5120_pci_irq *adm5120_pci_irq_map __initdata;
static spinlock_t pci_lock = SPIN_LOCK_UNLOCKED;
static inline u32 mkaddr(struct pci_bus *bus, unsigned int devfn, int where)
{
- return (((bus->number & 0xFF) << 16) | ((devfn & 0xFF) << 8) | \
- (where & 0xFC));
+ return ((bus->number & 0xFF) << 16) | ((devfn & 0xFF) << 8) | \
+ (where & 0xFC);
}
/* -------------------------------------------------------------------------*/
spin_lock_irqsave(&pci_lock, flags);
- write_cfgaddr(mkaddr(bus,devfn,where));
+ write_cfgaddr(mkaddr(bus, devfn, where));
data = read_cfgdata();
DBG("PCI: cfg_read %02u.%02u.%01u/%02X:%01d, cfg:0x%08X",
spin_lock_irqsave(&pci_lock, flags);
- write_cfgaddr(mkaddr(bus,devfn,where));
+ write_cfgaddr(mkaddr(bus, devfn, where));
data = read_cfgdata();
DBG("PCI: cfg_write %02u.%02u.%01u/%02X:%01d, cfg:0x%08X",
goto out;
}
- if (slot < 1 || slot > 3) {
+ if (slot < 1 || slot > 4) {
printk(KERN_ALERT "PCI: slot number %u is not supported\n",
slot);
goto out;
if (irq < 0) {
printk(KERN_ALERT "PCI: no irq found for %s pin:%u\n",
- pci_name(dev), pin);
+ pci_name((struct pci_dev *)dev), pin);
} else {
printk(KERN_INFO "PCI: mapping irq for %s pin:%u, irq:%d\n",
- pci_name(dev), pin, irq);
+ pci_name((struct pci_dev *)dev), pin, irq);
}
out:
static int __init adm5120_pci_setup(void)
{
- int pci_bios;
-
- pci_bios = adm5120_has_pci();
-
- printk(KERN_INFO "adm5120: system has %sPCI BIOS\n",
- pci_bios ? "" : "no ");
- if (pci_bios == 0)
+ if (adm5120_package_pqfp()) {
+ printk(KERN_INFO "PCI: not available on ADM5120P\n");
return -1;
+ }
/* Avoid ISA compat ranges. */
PCIBIOS_MIN_IO = 0x00000000;