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pci: pci res have pci addr and cpu addr, ecam use map translation pci

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addr to cpuaddr

Signed-off-by: lipengfei28 <lipengfei28@xiaomi.com>
This commit is contained in:
lipengfei28
2024-11-15 11:02:36 +08:00
committed by Xiang Xiao
parent b44fb53b61
commit f589d5a4c7
4 changed files with 70 additions and 11 deletions
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drivers/devicetree/fdt_pci.c
+7 -3
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@@ -118,22 +118,26 @@ int fdt_pci_ecam_register(FAR const void *fdt)
if ((type & FDT_PCI_TYPE_MASK) == FDT_PCI_TYPE_IO)
{
io.start = fdt_ld_by_cells(ranges + na, pna);
io.start = fdt_ld_by_cells(ranges + 1, na -1);
io.end = io.start + fdt_ld_by_cells(ranges + na + pna, ns);
io.offset = fdt_ld_by_cells(ranges + na, pna) - io.start;
}
else if ((type & FDT_PCI_PREFTCH) == FDT_PCI_PREFTCH)
{
prefetch.start = fdt_ld_by_cells(ranges + na, pna);
prefetch.start = fdt_ld_by_cells(ranges + 1, na - 1);
prefetch.end = prefetch.start +
fdt_ld_by_cells(ranges + na + pna, ns);
prefetch.offset = fdt_ld_by_cells(ranges + na, pna) -
prefetch.start;
}
else if (((type & FDT_PCI_TYPE_MEM32) == FDT_PCI_TYPE_MEM32 &&
sizeof(uintptr_t) == 4) ||
((type & FDT_PCI_TYPE_MEM64) == FDT_PCI_TYPE_MEM64 &&
sizeof(uintptr_t) == 8))
{
mem.start = fdt_ld_by_cells(ranges + na, pna);
mem.start = fdt_ld_by_cells(ranges + 1, na - 1);
mem.end = mem.start + fdt_ld_by_cells(ranges + na + pna, ns);
mem.offset = fdt_ld_by_cells(ranges + na, pna) - mem.start;
}
}