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linux
[PATCH] ppc32: Fix configuration of PCI IO space on MPC85xx platform
For platforms that don't have PCI IO at 0 the outbound window
registers were not being properly configured.
Signed-off-by: Andrew Klossner <andrew@cesa.opbu.xerox.com>
Signed-off-by: Kumar K. Gala <kumar.gala@freescale.com>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
authored by
Kumar Gala
and committed by
Linus Torvalds
3fd07d3b
0fc084ea
+4
-4
+4
-4
arch/ppc/syslib/ppc85xx_setup.c
+4
-4
arch/ppc/syslib/ppc85xx_setup.c
···
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pci->powar1 = 0x80044000 |
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(__ilog2(MPC85XX_PCI1_UPPER_MEM - MPC85XX_PCI1_LOWER_MEM + 1) - 1);
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-
/* Setup outboud IO windows @ MPC85XX_PCI1_IO_BASE */
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-
pci->potar2 = 0x00000000;
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+
/* Setup outbound IO windows @ MPC85XX_PCI1_IO_BASE */
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+
pci->potar2 = (MPC85XX_PCI1_LOWER_IO >> 12) & 0x000fffff;
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pci->potear2 = 0x00000000;
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pci->powbar2 = (MPC85XX_PCI1_IO_BASE >> 12) & 0x000fffff;
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/* Enable, IO R/W */
···
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pci->powar1 = 0x80044000 |
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(__ilog2(MPC85XX_PCI2_UPPER_MEM - MPC85XX_PCI2_LOWER_MEM + 1) - 1);
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-
/* Setup outboud IO windows @ MPC85XX_PCI2_IO_BASE */
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-
pci->potar2 = 0x00000000;
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+
/* Setup outbound IO windows @ MPC85XX_PCI2_IO_BASE */
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+
pci->potar2 = (MPC85XX_PCI2_LOWER_IO >> 12) & 0x000fffff;;
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pci->potear2 = 0x00000000;
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pci->powbar2 = (MPC85XX_PCI2_IO_BASE >> 12) & 0x000fffff;
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/* Enable, IO R/W */