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authorRob Herring <rob.herring@calxeda.com>2012-07-09 22:43:33 -0500
committerRob Herring <rob.herring@calxeda.com>2012-07-26 09:10:01 -0500
commit2bb080851a5193a10b89d3f550c60240ef401aa1 (patch)
treec063c109a4081c23208153552065faab4574c6fb /arch
parentd191bb6961ab5f8de9b20b9540b81f352f5dd765 (diff)
ARM: kirkwood: use fixed PCI i/o mapping
Move kirkwood PCI to fixed i/o mapping and remove io.h. Signed-off-by: Rob Herring <rob.herring@calxeda.com> Cc: Lennert Buytenhek <kernel@wantstofly.org> Acked-by: Nicolas Pitre <nico@linaro.org> Cc: Jason Cooper <jason@lakedaemon.net> Tested-by: Andrew Lunn <andrew@lunn.ch> Reviewed-by: Arnd Bergmann <arnd@arndb.de>
Diffstat (limited to 'arch')
-rw-r--r--arch/arm/Kconfig1
-rw-r--r--arch/arm/mach-kirkwood/common.c10
-rw-r--r--arch/arm/mach-kirkwood/include/mach/io.h24
-rw-r--r--arch/arm/mach-kirkwood/include/mach/kirkwood.h8
-rw-r--r--arch/arm/mach-kirkwood/pcie.c44
5 files changed, 16 insertions, 71 deletions
diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig
index ed930adf58a..8a742445972 100644
--- a/arch/arm/Kconfig
+++ b/arch/arm/Kconfig
@@ -547,7 +547,6 @@ config ARCH_KIRKWOOD
select PCI
select ARCH_REQUIRE_GPIOLIB
select GENERIC_CLOCKEVENTS
- select NEED_MACH_IO_H
select PLAT_ORION
help
Support for the following Marvell Kirkwood series SoCs:
diff --git a/arch/arm/mach-kirkwood/common.c b/arch/arm/mach-kirkwood/common.c
index f261cd24264..55e4d793796 100644
--- a/arch/arm/mach-kirkwood/common.c
+++ b/arch/arm/mach-kirkwood/common.c
@@ -41,16 +41,6 @@
****************************************************************************/
static struct map_desc kirkwood_io_desc[] __initdata = {
{
- .virtual = KIRKWOOD_PCIE_IO_VIRT_BASE,
- .pfn = __phys_to_pfn(KIRKWOOD_PCIE_IO_PHYS_BASE),
- .length = KIRKWOOD_PCIE_IO_SIZE,
- .type = MT_DEVICE,
- }, {
- .virtual = KIRKWOOD_PCIE1_IO_VIRT_BASE,
- .pfn = __phys_to_pfn(KIRKWOOD_PCIE1_IO_PHYS_BASE),
- .length = KIRKWOOD_PCIE1_IO_SIZE,
- .type = MT_DEVICE,
- }, {
.virtual = KIRKWOOD_REGS_VIRT_BASE,
.pfn = __phys_to_pfn(KIRKWOOD_REGS_PHYS_BASE),
.length = KIRKWOOD_REGS_SIZE,
diff --git a/arch/arm/mach-kirkwood/include/mach/io.h b/arch/arm/mach-kirkwood/include/mach/io.h
deleted file mode 100644
index 5d0ab61700d..00000000000
--- a/arch/arm/mach-kirkwood/include/mach/io.h
+++ /dev/null
@@ -1,24 +0,0 @@
-/*
- * arch/arm/mach-kirkwood/include/mach/io.h
- *
- * This file is licensed under the terms of the GNU General Public
- * License version 2. This program is licensed "as is" without any
- * warranty of any kind, whether express or implied.
- */
-
-#ifndef __ASM_ARCH_IO_H
-#define __ASM_ARCH_IO_H
-
-#include "kirkwood.h"
-
-#define IO_SPACE_LIMIT 0xffffffff
-
-static inline void __iomem *__io(unsigned long addr)
-{
- return (void __iomem *)((addr - KIRKWOOD_PCIE_IO_BUS_BASE)
- + KIRKWOOD_PCIE_IO_VIRT_BASE);
-}
-
-#define __io(a) __io(a)
-
-#endif
diff --git a/arch/arm/mach-kirkwood/include/mach/kirkwood.h b/arch/arm/mach-kirkwood/include/mach/kirkwood.h
index c5b68510776..af4f0000dce 100644
--- a/arch/arm/mach-kirkwood/include/mach/kirkwood.h
+++ b/arch/arm/mach-kirkwood/include/mach/kirkwood.h
@@ -37,14 +37,12 @@
#define KIRKWOOD_NAND_MEM_SIZE SZ_1K
#define KIRKWOOD_PCIE1_IO_PHYS_BASE 0xf3000000
-#define KIRKWOOD_PCIE1_IO_VIRT_BASE 0xfef00000
-#define KIRKWOOD_PCIE1_IO_BUS_BASE 0x00100000
-#define KIRKWOOD_PCIE1_IO_SIZE SZ_1M
+#define KIRKWOOD_PCIE1_IO_BUS_BASE 0x00010000
+#define KIRKWOOD_PCIE1_IO_SIZE SZ_64K
#define KIRKWOOD_PCIE_IO_PHYS_BASE 0xf2000000
-#define KIRKWOOD_PCIE_IO_VIRT_BASE 0xfee00000
#define KIRKWOOD_PCIE_IO_BUS_BASE 0x00000000
-#define KIRKWOOD_PCIE_IO_SIZE SZ_1M
+#define KIRKWOOD_PCIE_IO_SIZE SZ_64K
#define KIRKWOOD_REGS_PHYS_BASE 0xf1000000
#define KIRKWOOD_REGS_VIRT_BASE 0xfed00000
diff --git a/arch/arm/mach-kirkwood/pcie.c b/arch/arm/mach-kirkwood/pcie.c
index 6e8b2efa3c3..532d8acb38f 100644
--- a/arch/arm/mach-kirkwood/pcie.c
+++ b/arch/arm/mach-kirkwood/pcie.c
@@ -56,7 +56,7 @@ struct pcie_port {
void __iomem *base;
spinlock_t conf_lock;
int irq;
- struct resource res[2];
+ struct resource res;
};
static int pcie_port_map[2];
@@ -137,20 +137,12 @@ static void __init pcie0_ioresources_init(struct pcie_port *pp)
pp->irq = IRQ_KIRKWOOD_PCIE;
/*
- * IORESOURCE_IO
- */
- pp->res[0].name = "PCIe 0 I/O Space";
- pp->res[0].start = KIRKWOOD_PCIE_IO_BUS_BASE;
- pp->res[0].end = pp->res[0].start + KIRKWOOD_PCIE_IO_SIZE - 1;
- pp->res[0].flags = IORESOURCE_IO;
-
- /*
* IORESOURCE_MEM
*/
- pp->res[1].name = "PCIe 0 MEM";
- pp->res[1].start = KIRKWOOD_PCIE_MEM_PHYS_BASE;
- pp->res[1].end = pp->res[1].start + KIRKWOOD_PCIE_MEM_SIZE - 1;
- pp->res[1].flags = IORESOURCE_MEM;
+ pp->res.name = "PCIe 0 MEM";
+ pp->res.start = KIRKWOOD_PCIE_MEM_PHYS_BASE;
+ pp->res.end = pp->res.start + KIRKWOOD_PCIE_MEM_SIZE - 1;
+ pp->res.flags = IORESOURCE_MEM;
}
static void __init pcie1_ioresources_init(struct pcie_port *pp)
@@ -159,20 +151,12 @@ static void __init pcie1_ioresources_init(struct pcie_port *pp)
pp->irq = IRQ_KIRKWOOD_PCIE1;
/*
- * IORESOURCE_IO
- */
- pp->res[0].name = "PCIe 1 I/O Space";
- pp->res[0].start = KIRKWOOD_PCIE1_IO_BUS_BASE;
- pp->res[0].end = pp->res[0].start + KIRKWOOD_PCIE1_IO_SIZE - 1;
- pp->res[0].flags = IORESOURCE_IO;
-
- /*
* IORESOURCE_MEM
*/
- pp->res[1].name = "PCIe 1 MEM";
- pp->res[1].start = KIRKWOOD_PCIE1_MEM_PHYS_BASE;
- pp->res[1].end = pp->res[1].start + KIRKWOOD_PCIE1_MEM_SIZE - 1;
- pp->res[1].flags = IORESOURCE_MEM;
+ pp->res.name = "PCIe 1 MEM";
+ pp->res.start = KIRKWOOD_PCIE1_MEM_PHYS_BASE;
+ pp->res.end = pp->res.start + KIRKWOOD_PCIE1_MEM_SIZE - 1;
+ pp->res.flags = IORESOURCE_MEM;
}
static int __init kirkwood_pcie_setup(int nr, struct pci_sys_data *sys)
@@ -197,23 +181,21 @@ static int __init kirkwood_pcie_setup(int nr, struct pci_sys_data *sys)
case 0:
kirkwood_enable_pcie_clk("0");
pcie0_ioresources_init(pp);
+ pci_ioremap_io(SZ_64K * sys->busnr, KIRKWOOD_PCIE_IO_PHYS_BASE);
break;
case 1:
kirkwood_enable_pcie_clk("1");
pcie1_ioresources_init(pp);
+ pci_ioremap_io(SZ_64K * sys->busnr, KIRKWOOD_PCIE1_IO_PHYS_BASE);
break;
default:
panic("PCIe setup: invalid controller %d", index);
}
- if (request_resource(&ioport_resource, &pp->res[0]))
- panic("Request PCIe%d IO resource failed\n", index);
- if (request_resource(&iomem_resource, &pp->res[1]))
+ if (request_resource(&iomem_resource, &pp->res))
panic("Request PCIe%d Memory resource failed\n", index);
- sys->io_offset = 0;
- pci_add_resource_offset(&sys->resources, &pp->res[0], sys->io_offset);
- pci_add_resource_offset(&sys->resources, &pp->res[1], sys->mem_offset);
+ pci_add_resource_offset(&sys->resources, &pp->res, sys->mem_offset);
/*
* Generic PCIe unit setup.