adm5120 timing specific routines, was part of the IRQ handling rewritte

[openwrt.git] / target / linux / adm5120-2.6 / files / arch / mips / pci / pci-adm5120.c

diff --git a/target/linux/adm5120-2.6/files/arch/mips/pci/pci-adm5120.c b/target/linux/adm5120-2.6/files/arch/mips/pci/pci-adm5120.c
index a858574..f104221 100644 (file)
--- a/target/linux/adm5120-2.6/files/arch/mips/pci/pci-adm5120.c
+++ b/target/linux/adm5120-2.6/files/arch/mips/pci/pci-adm5120.c
@@ -1,40 +1,52 @@
 /*
- *     Copyright (C) ADMtek Incorporated.
- *     Copyright (C) 2005 Jeroen Vreeken (pe1rxq@amsat.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>
 
-extern struct pci_ops adm5120_pci_ops;
-
-#define ADM5120_CODE           0x12000000
-#define ADM5120_CODE_PQFP      0x20000000
-
-#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
+#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;
 
-struct resource pci_io_resource = {
-       "PCI IO space", 
-       0x11500000,  
-       0x115ffff0-1,
-       IORESOURCE_IO
+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 = {
-       "PCI memory space", 
-       0x11400000,
-       0x11500000,
-       IORESOURCE_MEM
+static struct resource pci_mem_resource = {
+       .name = "ADM5120 PCI MEM",
+       .start = ADM5120_PCIMEM_BASE,
+       .end = ADM5120_PCIIO_BASE-1,
+       .flags = IORESOURCE_MEM
 };
 
 static struct pci_controller adm5120_controller = {
@@ -43,40 +55,15 @@ 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;
 
-       if ((*(volatile u32 *)(KSEG1ADDR(ADM5120_CODE))) & ADM5120_CODE_PQFP) {
-               printk("System has no PCI BIOS\n");
-               return 1;
-       }
-       printk("System has PCI BIOS\n");
+       pci_bios = adm5120_has_pci();
+
+       printk("adm5120: system has %sPCI BIOS\n", pci_bios ? "" : "no ");
+       if (pci_bios == 0)
+               return -1;
 
        /* Avoid ISA compat ranges.  */
        PCIBIOS_MIN_IO = 0x00000000;
@@ -84,10 +71,10 @@ static int __init adm5120_pci_setup(void)
 
        /* Set I/O resource limits.  */
        ioport_resource.end = 0x1fffffff;
-       iomem_resource.end = 0xffffffff;        
+       iomem_resource.end = 0xffffffff;
 
        register_pci_controller(&adm5120_controller);
        return 0;
 }
 
-subsys_initcall(adm5120_pci_setup);
+arch_initcall(adm5120_pci_setup);