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powerpc/t4240: fix per pci endpoint liodn offsets

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Update the code that builds the pci endpoint liodn
offset list so that it doesn't overlap with other
liodns and doesn't generate negative offsets like:

  fsl,liodn-offset-list = <0 0xffffffcd 0xffffffcf
                             0xffffffd1 0xffffffd3
                             0xffffffd5 0xffffffd7
                             0xffffffd9 0xffffffdb>;

The update consists in adding a parameter to the
function that builds the list to specify the base
liodn.
On PCI v2.4 use the old base = 256 and, on PCI 3.0
where some of the PCIE liodns are larger than 256,
use a base = 1024. The version check is based on
the PCI controller's version register.

Signed-off-by: Laurentiu Tudor <Laurentiu.Tudor@freescale.com>
Cc: Scott Wood <scottwood@freescale.com>
Cc: York Sun <yorksun@freescale.com>
This commit is contained in:
Laurentiu TUDOR
2013-10-23 15:20:27 +03:00
committed by York Sun
parent b4125a235e
commit 8f9fe660fc
2 changed files with 24 additions and 5 deletions
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4
arch/powerpc/include/asm/immap_85xx.h
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@@ -282,7 +282,9 @@ typedef struct ccsr_pcix {
u32 int_ack; /* PCIX IRQ Acknowledge */
u8 res000c[52];
u32 liodn_base; /* PCIX LIODN base register */
u8 res0044[3004];
u8 res0044[2996];
u32 ipver1; /* PCIX IP block revision register 1 */
u32 ipver2; /* PCIX IP block revision register 2 */
u32 potar0; /* PCIX Outbound Transaction Addr 0 */
u32 potear0; /* PCIX Outbound Translation Extended Addr 0 */
u32 powbar0; /* PCIX Outbound Window Base Addr 0 */