aboutsummaryrefslogtreecommitdiff
path: root/arch/arm/mach-integrator
diff options
context:
space:
mode:
Diffstat (limited to 'arch/arm/mach-integrator')
-rw-r--r--arch/arm/mach-integrator/include/mach/io.h33
-rw-r--r--arch/arm/mach-integrator/include/mach/platform.h4
-rw-r--r--arch/arm/mach-integrator/integrator_ap.c9
-rw-r--r--arch/arm/mach-integrator/pci_v3.c50
4 files changed, 30 insertions, 66 deletions
diff --git a/arch/arm/mach-integrator/include/mach/io.h b/arch/arm/mach-integrator/include/mach/io.h
deleted file mode 100644
index 8de70de3dd0..00000000000
--- a/arch/arm/mach-integrator/include/mach/io.h
+++ /dev/null
@@ -1,33 +0,0 @@
-/*
- * arch/arm/mach-integrator/include/mach/io.h
- *
- * Copyright (C) 1999 ARM Limited
- *
- * 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
- */
-#ifndef __ASM_ARM_ARCH_IO_H
-#define __ASM_ARM_ARCH_IO_H
-
-/*
- * WARNING: this has to mirror definitions in platform.h
- */
-#define PCI_MEMORY_VADDR 0xe8000000
-#define PCI_CONFIG_VADDR 0xec000000
-#define PCI_V3_VADDR 0xed000000
-#define PCI_IO_VADDR 0xee000000
-
-#define __io(a) ((void __iomem *)(PCI_IO_VADDR + (a)))
-
-#endif
diff --git a/arch/arm/mach-integrator/include/mach/platform.h b/arch/arm/mach-integrator/include/mach/platform.h
index ec467baade0..4c034752685 100644
--- a/arch/arm/mach-integrator/include/mach/platform.h
+++ b/arch/arm/mach-integrator/include/mach/platform.h
@@ -324,6 +324,10 @@
*/
#define PHYS_PCI_V3_BASE 0x62000000
+#define PCI_MEMORY_VADDR 0xe8000000
+#define PCI_CONFIG_VADDR 0xec000000
+#define PCI_V3_VADDR 0xed000000
+
/* ------------------------------------------------------------------------
* Integrator Interrupt Controllers
* ------------------------------------------------------------------------
diff --git a/arch/arm/mach-integrator/integrator_ap.c b/arch/arm/mach-integrator/integrator_ap.c
index 3b2267529f5..fd3ef28d2c1 100644
--- a/arch/arm/mach-integrator/integrator_ap.c
+++ b/arch/arm/mach-integrator/integrator_ap.c
@@ -50,6 +50,7 @@
#include <asm/mach/arch.h>
#include <asm/mach/irq.h>
#include <asm/mach/map.h>
+#include <asm/mach/pci.h>
#include <asm/mach/time.h>
#include <plat/fpga-irq.h>
@@ -73,7 +74,7 @@
* e8000000 40000000 PCI memory PHYS_PCI_MEM_BASE (max 512M)
* ec000000 61000000 PCI config space PHYS_PCI_CONFIG_BASE (max 16M)
* ed000000 62000000 PCI V3 regs PHYS_PCI_V3_BASE (max 64k)
- * ee000000 60000000 PCI IO PHYS_PCI_IO_BASE (max 16M)
+ * fee00000 60000000 PCI IO PHYS_PCI_IO_BASE (max 16M)
* ef000000 Cache flush
* f1000000 10000000 Core module registers
* f1100000 11000000 System controller registers
@@ -147,11 +148,6 @@ static struct map_desc ap_io_desc[] __initdata = {
.pfn = __phys_to_pfn(PHYS_PCI_V3_BASE),
.length = SZ_64K,
.type = MT_DEVICE
- }, {
- .virtual = PCI_IO_VADDR,
- .pfn = __phys_to_pfn(PHYS_PCI_IO_BASE),
- .length = SZ_64K,
- .type = MT_DEVICE
}
};
@@ -159,6 +155,7 @@ static void __init ap_map_io(void)
{
iotable_init(ap_io_desc, ARRAY_SIZE(ap_io_desc));
vga_base = PCI_MEMORY_VADDR;
+ pci_map_io_early(__phys_to_pfn(PHYS_PCI_IO_BASE));
}
#define INTEGRATOR_SC_VALID_INT 0x003fffff
diff --git a/arch/arm/mach-integrator/pci_v3.c b/arch/arm/mach-integrator/pci_v3.c
index b866880e82a..495f181fc93 100644
--- a/arch/arm/mach-integrator/pci_v3.c
+++ b/arch/arm/mach-integrator/pci_v3.c
@@ -41,61 +41,61 @@
/*
* The V3 PCI interface chip in Integrator provides several windows from
* local bus memory into the PCI memory areas. Unfortunately, there
- * are not really enough windows for our usage, therefore we reuse
+ * are not really enough windows for our usage, therefore we reuse
* one of the windows for access to PCI configuration space. The
* memory map is as follows:
- *
+ *
* Local Bus Memory Usage
- *
+ *
* 40000000 - 4FFFFFFF PCI memory. 256M non-prefetchable
* 50000000 - 5FFFFFFF PCI memory. 256M prefetchable
* 60000000 - 60FFFFFF PCI IO. 16M
* 61000000 - 61FFFFFF PCI Configuration. 16M
- *
+ *
* There are three V3 windows, each described by a pair of V3 registers.
* These are LB_BASE0/LB_MAP0, LB_BASE1/LB_MAP1 and LB_BASE2/LB_MAP2.
* Base0 and Base1 can be used for any type of PCI memory access. Base2
* can be used either for PCI I/O or for I20 accesses. By default, uHAL
* uses this only for PCI IO space.
- *
+ *
* Normally these spaces are mapped using the following base registers:
- *
+ *
* Usage Local Bus Memory Base/Map registers used
- *
+ *
* Mem 40000000 - 4FFFFFFF LB_BASE0/LB_MAP0
* Mem 50000000 - 5FFFFFFF LB_BASE1/LB_MAP1
* IO 60000000 - 60FFFFFF LB_BASE2/LB_MAP2
* Cfg 61000000 - 61FFFFFF
- *
+ *
* This means that I20 and PCI configuration space accesses will fail.
- * When PCI configuration accesses are needed (via the uHAL PCI
+ * When PCI configuration accesses are needed (via the uHAL PCI
* configuration space primitives) we must remap the spaces as follows:
- *
+ *
* Usage Local Bus Memory Base/Map registers used
- *
+ *
* Mem 40000000 - 4FFFFFFF LB_BASE0/LB_MAP0
* Mem 50000000 - 5FFFFFFF LB_BASE0/LB_MAP0
* IO 60000000 - 60FFFFFF LB_BASE2/LB_MAP2
* Cfg 61000000 - 61FFFFFF LB_BASE1/LB_MAP1
- *
+ *
* To make this work, the code depends on overlapping windows working.
- * The V3 chip translates an address by checking its range within
+ * The V3 chip translates an address by checking its range within
* each of the BASE/MAP pairs in turn (in ascending register number
* order). It will use the first matching pair. So, for example,
* if the same address is mapped by both LB_BASE0/LB_MAP0 and
- * LB_BASE1/LB_MAP1, the V3 will use the translation from
+ * LB_BASE1/LB_MAP1, the V3 will use the translation from
* LB_BASE0/LB_MAP0.
- *
+ *
* To allow PCI Configuration space access, the code enlarges the
* window mapped by LB_BASE0/LB_MAP0 from 256M to 512M. This occludes
* the windows currently mapped by LB_BASE1/LB_MAP1 so that it can
* be remapped for use by configuration cycles.
- *
- * At the end of the PCI Configuration space accesses,
+ *
+ * At the end of the PCI Configuration space accesses,
* LB_BASE1/LB_MAP1 is reset to map PCI Memory. Finally the window
* mapped by LB_BASE0/LB_MAP0 is reduced in size from 512M to 256M to
* reveal the now restored LB_BASE1/LB_MAP1 window.
- *
+ *
* NOTE: We do not set up I2O mapping. I suspect that this is only
* for an intelligent (target) device. Using I2O disables most of
* the mappings into PCI memory.
@@ -127,8 +127,8 @@
*
* returns: configuration address to play on the PCI bus
*
- * To generate the appropriate PCI configuration cycles in the PCI
- * configuration address space, you present the V3 with the following pattern
+ * To generate the appropriate PCI configuration cycles in the PCI
+ * configuration address space, you present the V3 with the following pattern
* (which is very nearly a type 1 (except that the lower two bits are 00 and
* not 01). In order for this mapping to work you need to set up one of
* the local to PCI aperatures to 16Mbytes in length translating to
@@ -138,7 +138,7 @@
*
* Type 0:
*
- * 3 3|3 3 2 2|2 2 2 2|2 2 2 2|1 1 1 1|1 1 1 1|1 1
+ * 3 3|3 3 2 2|2 2 2 2|2 2 2 2|1 1 1 1|1 1 1 1|1 1
* 3 2|1 0 9 8|7 6 5 4|3 2 1 0|9 8 7 6|5 4 3 2|1 0 9 8|7 6 5 4|3 2 1 0
* +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
* | | |D|D|D|D|D|D|D|D|D|D|D|D|D|D|D|D|D|D|D|D|D|F|F|F|R|R|R|R|R|R|0|0|
@@ -150,7 +150,7 @@
*
* Type 1:
*
- * 3 3|3 3 2 2|2 2 2 2|2 2 2 2|1 1 1 1|1 1 1 1|1 1
+ * 3 3|3 3 2 2|2 2 2 2|2 2 2 2|1 1 1 1|1 1 1 1|1 1
* 3 2|1 0 9 8|7 6 5 4|3 2 1 0|9 8 7 6|5 4 3 2|1 0 9 8|7 6 5 4|3 2 1 0
* +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
* | | | | | | | | | | |B|B|B|B|B|B|B|B|D|D|D|D|D|F|F|F|R|R|R|R|R|R|0|1|
@@ -161,7 +161,7 @@
* 15:11 Device number (5 bits)
* 10:8 function number
* 7:2 register number
- *
+ *
*/
static DEFINE_RAW_SPINLOCK(v3_lock);
@@ -374,12 +374,9 @@ static int __init pci_v3_setup_resources(struct pci_sys_data *sys)
}
/*
- * the IO resource for this bus
* the mem resource for this bus
* the prefetch mem resource for this bus
*/
- pci_add_resource_offset(&sys->resources,
- &ioport_resource, sys->io_offset);
pci_add_resource_offset(&sys->resources, &non_mem, sys->mem_offset);
pci_add_resource_offset(&sys->resources, &pre_mem, sys->mem_offset);
@@ -498,7 +495,6 @@ void __init pci_v3_preinit(void)
unsigned int temp;
int ret;
- pcibios_min_io = 0x6000;
pcibios_min_mem = 0x00100000;
/*