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authorDan Williams <dan.j.williams@intel.com>2007-02-13 17:11:04 +0100
committerRussell King <rmk+kernel@arm.linux.org.uk>2007-02-14 15:21:21 +0000
commit6df26700c0884cb3cce2b9fa4795888f86ca4d8f (patch)
tree30444218ed615b3eb0569d8602be3e522a2d8895 /include/asm-arm
parentae0a846e411dc0b568e8ccda584896310ee5f369 (diff)
[ARM] 4182/1: iop3xx: fix the ioremap implementation to not remap static ranges
Implement a custom ioremap implementation for iop3xx. This saves establishing new mappings. It also cleans up the PCI IO resource to be a physical address rather than a virtual address as Russell pointed out on the original iop13xx port. Signed-off-by: Dan Williams <dan.j.williams@intel.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Diffstat (limited to 'include/asm-arm')
-rw-r--r--include/asm-arm/arch-iop32x/io.h10
-rw-r--r--include/asm-arm/arch-iop33x/io.h9
-rw-r--r--include/asm-arm/hardware/iop3xx.h14
3 files changed, 30 insertions, 3 deletions
diff --git a/include/asm-arm/arch-iop32x/io.h b/include/asm-arm/arch-iop32x/io.h
index 12d9ee02cde..5f570a598a3 100644
--- a/include/asm-arm/arch-iop32x/io.h
+++ b/include/asm-arm/arch-iop32x/io.h
@@ -13,10 +13,16 @@
#include <asm/hardware.h>
-#define IO_SPACE_LIMIT 0xffffffff
+extern void __iomem * __ioremap(unsigned long, size_t, unsigned long);
+extern void __iomem *__iop3xx_ioremap(unsigned long cookie, size_t size,
+ unsigned long flags);
+extern void __iop3xx_iounmap(void __iomem *addr);
-#define __io(p) ((void __iomem *)(p))
+#define IO_SPACE_LIMIT 0xffffffff
+#define __io(p) ((void __iomem *)IOP3XX_PCI_IO_PHYS_TO_VIRT(p))
#define __mem_pci(a) (a)
+#define __arch_ioremap(a, s, f) __iop3xx_ioremap(a, s, f)
+#define __arch_iounmap(a) __iop3xx_iounmap(a)
#endif
diff --git a/include/asm-arm/arch-iop33x/io.h b/include/asm-arm/arch-iop33x/io.h
index c017402bab9..1bb5071e1fa 100644
--- a/include/asm-arm/arch-iop33x/io.h
+++ b/include/asm-arm/arch-iop33x/io.h
@@ -13,9 +13,16 @@
#include <asm/hardware.h>
+extern void __iomem * __ioremap(unsigned long, size_t, unsigned long);
+extern void __iomem *__iop3xx_ioremap(unsigned long cookie, size_t size,
+ unsigned long flags);
+extern void __iop3xx_iounmap(void __iomem *addr);
+
#define IO_SPACE_LIMIT 0xffffffff
-#define __io(p) ((void __iomem *)(p))
+#define __io(p) ((void __iomem *)IOP3XX_PCI_IO_PHYS_TO_VIRT(p))
#define __mem_pci(a) (a)
+#define __arch_ioremap(a, s, f) __iop3xx_ioremap(a, s, f)
+#define __arch_iounmap(a) __iop3xx_iounmap(a)
#endif
diff --git a/include/asm-arm/hardware/iop3xx.h b/include/asm-arm/hardware/iop3xx.h
index 13ac8a4cd01..adb96c72ecd 100644
--- a/include/asm-arm/hardware/iop3xx.h
+++ b/include/asm-arm/hardware/iop3xx.h
@@ -37,6 +37,13 @@ extern void gpio_line_set(int line, int value);
#define IOP3XX_PERIPHERAL_PHYS_BASE 0xffffe000
#define IOP3XX_PERIPHERAL_VIRT_BASE 0xfeffe000
#define IOP3XX_PERIPHERAL_SIZE 0x00002000
+#define IOP3XX_PERIPHERAL_UPPER_PA (IOP3XX_PERIPHERAL_PHYS_BASE +\
+ IOP3XX_PERIPHERAL_SIZE - 1)
+#define IOP3XX_PERIPHERAL_UPPER_VA (IOP3XX_PERIPHERAL_VIRT_BASE +\
+ IOP3XX_PERIPHERAL_SIZE - 1)
+#define IOP3XX_PMMR_PHYS_TO_VIRT(addr) (u32) ((u32) addr -\
+ (IOP3XX_PERIPHERAL_PHYS_BASE\
+ - IOP3XX_PERIPHERAL_VIRT_BASE))
#define IOP3XX_REG_ADDR(reg) (IOP3XX_PERIPHERAL_VIRT_BASE + (reg))
/* Address Translation Unit */
@@ -258,6 +265,13 @@ extern void gpio_line_set(int line, int value);
#define IOP3XX_PCI_LOWER_IO_PA 0x90000000
#define IOP3XX_PCI_LOWER_IO_VA 0xfe000000
#define IOP3XX_PCI_LOWER_IO_BA (*IOP3XX_OIOWTVR)
+#define IOP3XX_PCI_UPPER_IO_PA (IOP3XX_PCI_LOWER_IO_PA +\
+ IOP3XX_PCI_IO_WINDOW_SIZE - 1)
+#define IOP3XX_PCI_UPPER_IO_VA (IOP3XX_PCI_LOWER_IO_VA +\
+ IOP3XX_PCI_IO_WINDOW_SIZE - 1)
+#define IOP3XX_PCI_IO_PHYS_TO_VIRT(addr) (((u32) addr -\
+ IOP3XX_PCI_LOWER_IO_PA) +\
+ IOP3XX_PCI_LOWER_IO_VA)
#ifndef __ASSEMBLY__