diff options
| author | Hou Zhiqiang <Zhiqiang.Hou@nxp.com> | 2020-09-13 23:12:50 +0800 |
|---|---|---|
| committer | Priyanka Jain <priyanka.jain@nxp.com> | 2020-09-24 20:57:32 +0530 |
| commit | 8ec619f8fd847eb80d75fa0a582e1fa3c74a21a7 (patch) | |
| tree | de7578ce9a7d77923028150137555efd892b4775 /drivers | |
| parent | 6fe7743d05ce1006d4436f2776d58216bd1d0c0a (diff) | |
pci: layerscape: Fixup PCIe EP mode DT nodes for LX2160A rev2
LX2160A rev2 uses different PCIe controller, so EP mode DT
nodes also need to be fixed up.
Signed-off-by: Hou Zhiqiang <Zhiqiang.Hou@nxp.com>
Reviewed-by: Priyanka Jain <priyanka.jain@nxp.com>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/pci/pcie_layerscape_fixup_common.c | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/drivers/pci/pcie_layerscape_fixup_common.c b/drivers/pci/pcie_layerscape_fixup_common.c index fef0a75f11..0a42997696 100644 --- a/drivers/pci/pcie_layerscape_fixup_common.c +++ b/drivers/pci/pcie_layerscape_fixup_common.c @@ -41,6 +41,8 @@ int lx2_board_fix_fdt(void *fdt) { "config_axi_slave", "config" } }; int off = -1, i; + const fdt32_t *prop; + u32 ob_wins, ib_wins; off = fdt_node_offset_by_compatible(fdt, -1, "fsl,lx2160a-pcie"); while (off != -FDT_ERR_NOTFOUND) { @@ -86,6 +88,30 @@ int lx2_board_fix_fdt(void *fdt) off = fdt_node_offset_by_compatible(fdt, off, "fsl,lx2160a-pcie"); } + + /* Fixup PCIe EP nodes */ + off = -1; + off = fdt_node_offset_by_compatible(fdt, off, "fsl,lx2160a-pcie-ep"); + while (off != -FDT_ERR_NOTFOUND) { + fdt_setprop_string(fdt, off, "compatible", + "fsl,lx2160ar2-pcie-ep"); + prop = fdt_getprop(fdt, off, "apio-wins", NULL); + if (!prop) { + printf("%s: Failed to fixup PCIe EP node @0x%x\n", + __func__, off); + continue; + } + + ob_wins = fdt32_to_cpu(*prop); + ib_wins = (ob_wins == 256) ? 24 : 8; + fdt_setprop_u32(fdt, off, "num-ib-windows", ib_wins); + fdt_setprop_u32(fdt, off, "num-ob-windows", ob_wins); + fdt_delprop(fdt, off, "apio-wins"); + + off = fdt_node_offset_by_compatible(fdt, off, + "fsl,lx2160a-pcie-ep"); + } + return 0; } |