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ARM: integrator: use fixed PCI i/o mapping

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Move integrator PCI to fixed i/o mapping and remove io.h.

Signed-off-by: Rob Herring <rob.herring@calxeda.com>
Cc: Russell King <linux@arm.linux.org.uk>
Cc: Linus Walleij <linus.walleij@linaro.org>
Reviewed-by: Arnd Bergmann <arnd@arndb.de>
This commit is contained in:
Rob Herring 2012-07-13 16:27:22 -05:00
parent d94c7a04b8
commit 68ef63227b
5 changed files with 7 additions and 44 deletions
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1
arch/arm/Kconfig
View file

@ -261,7 +261,6 @@ config ARCH_INTEGRATOR
select GENERIC_CLOCKEVENTS
select PLAT_VERSATILE
select PLAT_VERSATILE_FPGA_IRQ
select NEED_MACH_IO_H
select NEED_MACH_MEMORY_H
select SPARSE_IRQ
select MULTI_IRQ_HANDLER

33
arch/arm/mach-integrator/include/mach/io.h
View file

@ -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

4
arch/arm/mach-integrator/include/mach/platform.h
View file

@ -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
* ------------------------------------------------------------------------

9
arch/arm/mach-integrator/integrator_ap.c
View file

@ -49,6 +49,7 @@
#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>
@ -72,7 +73,7 @@
* 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
@ -146,11 +147,6 @@ 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
}
};
@ -158,6 +154,7 @@ 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

4
arch/arm/mach-integrator/pci_v3.c
View file

@ -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;
/*