[PATCH v2 10/15] ARM: kirkwood: use fixed PCI i/o mapping
Rob Herring
robherring2 at gmail.com
Fri Jul 13 22:04:06 EDT 2012
From: Rob Herring <rob.herring at calxeda.com>
Move kirkwood PCI to fixed i/o mapping and remove io.h.
Signed-off-by: Rob Herring <rob.herring at calxeda.com>
Cc: Lennert Buytenhek <kernel at wantstofly.org>
Acked-by: Nicolas Pitre <nico at linaro.org>
Cc: Jason Cooper <jason at lakedaemon.net>
Cc: Andrew Lunn <andrew at lunn.ch>
---
arch/arm/Kconfig | 1 -
arch/arm/mach-kirkwood/common.c | 10 ----------
arch/arm/mach-kirkwood/include/mach/io.h | 24 ------------------------
arch/arm/mach-kirkwood/include/mach/kirkwood.h | 8 +++-----
arch/arm/mach-kirkwood/pcie.c | 22 ++--------------------
5 files changed, 5 insertions(+), 60 deletions(-)
delete mode 100644 arch/arm/mach-kirkwood/include/mach/io.h
diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig
index ed930ad..8a74244 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 f261cd2..55e4d79 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 5d0ab61..0000000
--- 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 c5b6851..af4f000 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 6e8b2ef..092b36f 100644
--- a/arch/arm/mach-kirkwood/pcie.c
+++ b/arch/arm/mach-kirkwood/pcie.c
@@ -137,14 +137,6 @@ 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";
@@ -159,14 +151,6 @@ 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";
@@ -197,22 +181,20 @@ 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]))
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);
/*
--
1.7.9.5
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