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    • G
      powerpc/5200: Bugfix for PCI mapping of memory and IMMR · e489a44e
      Grant Likely 提交于
      This patch ensures that memory gets properly mapped into the PCI
      address space.  Without this patch, the memory window BAR is left
      at whatever value happened to be loaded into the BAR when Linux
      was booted.  Without this patch, memory could end up getting mapped
      at any of the 1G address boundaries instead of at '0' where Linux
      expects it.
      
      Similarly, this patch also ensures that the internally memory mapped
      registers (IMMR) are mapped to the correct PCI address range.
      
      Without this patch, PCI appears to work correctly until a PCI
      device is inserted which DMAs into memory.
      Signed-off-by: NGrant Likely <grant.likely@secretlab.ca>
      Tested-by: NWolfram Sang <w.sang@pengutronix.de>
      e489a44e
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