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ARM: iop3xx: use fixed PCI i/o mapping

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Move iop33x and iop32x PCI to fixed i/o mapping and remove io.h. This
changes the PCI bus addresses from the cpu address to 0 based. It appears
that there is translation h/w for this, but its untested.

Not sure what to do with io_offset. I think it should always be 0.
AFAICT, PCI setup is skipped if the ATU is already setup.

Signed-off-by: Rob Herring <rob.herring@calxeda.com>
Reviewed-by: Arnd Bergmann <arnd@arndb.de>
This commit is contained in:
Rob Herring
2012-07-04 11:18:40 -05:00
parent 0b9b18e016
commit dd9bf78040
6 changed files with 10 additions and 72 deletions
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12
arch/arm/include/asm/hardware/iop3xx.h
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@@ -217,18 +217,8 @@ extern int iop3xx_get_init_atu(void);
#define IOP3XX_PCI_LOWER_MEM_PA 0x80000000
#define IOP3XX_PCI_MEM_WINDOW_SIZE 0x08000000
#define IOP3XX_PCI_IO_WINDOW_SIZE 0x00010000
#define IOP3XX_PCI_LOWER_IO_PA 0x90000000
#define IOP3XX_PCI_LOWER_IO_VA 0xfe000000
#define IOP3XX_PCI_LOWER_IO_BA 0x90000000
#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)
#define IOP3XX_PCI_LOWER_IO_BA 0x00000000
#ifndef __ASSEMBLY__