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authorDan Williams <dan.j.williams@intel.com>2007-04-29 09:31:51 +0100
committerRussell King <rmk+kernel@arm.linux.org.uk>2007-04-30 15:24:50 +0100
commit7dcad376e85b6eff56f29ee21e10e1fe855f1ed7 (patch)
treef8934388ee4dbe3bd24cc674089e4d5593c94ab6 /include
parent8903fcce9b91bab6bb98adbb57a4edfc372c8bff (diff)
downloadop-kernel-dev-7dcad376e85b6eff56f29ee21e10e1fe855f1ed7.zip
op-kernel-dev-7dcad376e85b6eff56f29ee21e10e1fe855f1ed7.tar.gz
[ARM] 4341/1: iop13xx: fix i/o address translation
PCI devices were being programmed with an incorrect base address value. This patch moves I/O space into a 16-bit addressable region and corrects the i/o offset. Much thanks to Martin Michlmayr for tracking this issue and testing debug patches. Cc: Martin Michlmayr <tbm@cyrius.com> 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')
-rw-r--r--include/asm-arm/arch-iop13xx/iop13xx.h22
1 files changed, 13 insertions, 9 deletions
diff --git a/include/asm-arm/arch-iop13xx/iop13xx.h b/include/asm-arm/arch-iop13xx/iop13xx.h
index d26b755..2d1e23b 100644
--- a/include/asm-arm/arch-iop13xx/iop13xx.h
+++ b/include/asm-arm/arch-iop13xx/iop13xx.h
@@ -27,19 +27,24 @@ static inline int iop13xx_cpu_id(void)
#define IOP13XX_PCI_OFFSET IOP13XX_MAX_RAM_SIZE
/* PCI MAP
- * 0x0000.0000 - 0x8000.0000 1:1 mapping with Physical RAM
- * 0x8000.0000 - 0x8800.0000 PCIX/PCIE memory window (128MB)
-*/
+ * bus range cpu phys cpu virt note
+ * 0x0000.0000 + 2GB (n/a) (n/a) inbound, 1:1 mapping with Physical RAM
+ * 0x8000.0000 + 928M 0x1.8000.0000 (ioremap) PCIX outbound memory window
+ * 0x8000.0000 + 928M 0x2.8000.0000 (ioremap) PCIE outbound memory window
+ *
+ * IO MAP
+ * 0x1000 + 64K 0x0.fffb.1000 0xfec6.1000 PCIX outbound i/o window
+ * 0x1000 + 64K 0x0.fffd.1000 0xfed7.1000 PCIE outbound i/o window
+ */
#define IOP13XX_PCIX_IO_WINDOW_SIZE 0x10000UL
#define IOP13XX_PCIX_LOWER_IO_PA 0xfffb0000UL
#define IOP13XX_PCIX_LOWER_IO_VA 0xfec60000UL
-#define IOP13XX_PCIX_LOWER_IO_BA 0x0fff0000UL
+#define IOP13XX_PCIX_LOWER_IO_BA 0x0UL /* OIOTVR */
+#define IOP13XX_PCIX_IO_BUS_OFFSET 0x1000UL
#define IOP13XX_PCIX_UPPER_IO_PA (IOP13XX_PCIX_LOWER_IO_PA +\
IOP13XX_PCIX_IO_WINDOW_SIZE - 1)
#define IOP13XX_PCIX_UPPER_IO_VA (IOP13XX_PCIX_LOWER_IO_VA +\
IOP13XX_PCIX_IO_WINDOW_SIZE - 1)
-#define IOP13XX_PCIX_IO_OFFSET (IOP13XX_PCIX_LOWER_IO_VA -\
- IOP13XX_PCIX_LOWER_IO_BA)
#define IOP13XX_PCIX_IO_PHYS_TO_VIRT(addr) (u32) ((u32) addr -\
(IOP13XX_PCIX_LOWER_IO_PA\
- IOP13XX_PCIX_LOWER_IO_VA))
@@ -65,15 +70,14 @@ static inline int iop13xx_cpu_id(void)
#define IOP13XX_PCIE_IO_WINDOW_SIZE 0x10000UL
#define IOP13XX_PCIE_LOWER_IO_PA 0xfffd0000UL
#define IOP13XX_PCIE_LOWER_IO_VA 0xfed70000UL
-#define IOP13XX_PCIE_LOWER_IO_BA 0x0fff0000UL
+#define IOP13XX_PCIE_LOWER_IO_BA 0x0UL /* OIOTVR */
+#define IOP13XX_PCIE_IO_BUS_OFFSET 0x1000UL
#define IOP13XX_PCIE_UPPER_IO_PA (IOP13XX_PCIE_LOWER_IO_PA +\
IOP13XX_PCIE_IO_WINDOW_SIZE - 1)
#define IOP13XX_PCIE_UPPER_IO_VA (IOP13XX_PCIE_LOWER_IO_VA +\
IOP13XX_PCIE_IO_WINDOW_SIZE - 1)
#define IOP13XX_PCIE_UPPER_IO_BA (IOP13XX_PCIE_LOWER_IO_BA +\
IOP13XX_PCIE_IO_WINDOW_SIZE - 1)
-#define IOP13XX_PCIE_IO_OFFSET (IOP13XX_PCIE_LOWER_IO_VA -\
- IOP13XX_PCIE_LOWER_IO_BA)
#define IOP13XX_PCIE_IO_PHYS_TO_VIRT(addr) (u32) ((u32) addr -\
(IOP13XX_PCIE_LOWER_IO_PA\
- IOP13XX_PCIE_LOWER_IO_VA))
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