[PATCH] pci: layerscape: Fixup PCIe EP mode DT nodes for LX2160A rev2
From: Hou Zhiqiang Zhiqiang.Hou@nxp.com
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 --- drivers/pci/pcie_layerscape_fixup_common.c | 26 ++++++++++++++++++++++ 1 file changed, 26 insertions(+)
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; }
-----Original Message----- From: Zhiqiang Hou Zhiqiang.Hou@nxp.com Sent: Sunday, September 13, 2020 8:43 PM To: u-boot@lists.denx.de; Priyanka Jain priyanka.jain@nxp.com; Wasim Khan wasim.khan@nxp.com Cc: Z.q. Hou zhiqiang.hou@nxp.com Subject: [PATCH] pci: layerscape: Fixup PCIe EP mode DT nodes for LX2160A rev2
From: Hou Zhiqiang Zhiqiang.Hou@nxp.com
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
drivers/pci/pcie_layerscape_fixup_common.c | 26 ++++++++++++++++++++++ 1 file changed, 26 insertions(+)
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;
}
-- 2.17.1
Reviewed-by: Priyanka Jain priyanka.jain@nxp.com
participants (2)
-
Priyanka Jain -
Zhiqiang Hou