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authorDan Williams <dan.j.williams@intel.com>2007-05-02 11:43:19 -0700
committerChris Wright <chrisw@sous-sol.org>2007-06-11 11:37:08 -0700
commit90ac7887638743b9d204d22fcef8c7db5e2f55a0 (patch)
tree3a38bde5d7cc791a61b8287b6a53b4ea9baf3718 /include
parent54fc01d6fd805c29f616489b8b504ae2243efa9d (diff)
[PATCH] 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> Cc: Russell King <rmk+kernel@arm.linux.org.uk> Signed-off-by: Dan Williams <dan.j.williams@intel.com> Signed-off-by: Chris Wright <chrisw@sous-sol.org> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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 a88522a0ff8..9a52479ea55 100644
--- a/include/asm-arm/arch-iop13xx/iop13xx.h
+++ b/include/asm-arm/arch-iop13xx/iop13xx.h
@@ -55,19 +55,24 @@ 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))
@@ -93,15 +98,14 @@ 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))