[U-Boot] [PATCHv2 2/2] pci: layerscape: Add support ls2088a kernel DT node fixup
Zhiqiang Hou
Zhiqiang.Hou at nxp.com
Tue Feb 21 03:26:12 UTC 2017
From: Hou Zhiqiang <Zhiqiang.Hou at nxp.com>
There isn't LS2088A DT file, actually it reuse LS2080A DT file
under u-boot, while under kernel there are DT files for LS2080A
and LS2088A respectively with different PCIe node compatible
string.
Signed-off-by: Hou Zhiqiang <Zhiqiang.Hou at nxp.com>
---
V2:
- no change
drivers/pci/pcie_layerscape_fixup.c | 35 ++++++++++++++++++++++++-----------
1 file changed, 24 insertions(+), 11 deletions(-)
diff --git a/drivers/pci/pcie_layerscape_fixup.c b/drivers/pci/pcie_layerscape_fixup.c
index 19ede2f..64e461e 100644
--- a/drivers/pci/pcie_layerscape_fixup.c
+++ b/drivers/pci/pcie_layerscape_fixup.c
@@ -72,19 +72,26 @@ static void fdt_pcie_set_msi_map_entry(void *blob, struct ls_pcie *pcie,
u32 *prop;
u32 phandle;
int nodeoffset;
+ uint svr;
+ char *compat = NULL;
/* find pci controller node */
nodeoffset = fdt_node_offset_by_compat_reg(blob, "fsl,ls-pcie",
pcie->dbi_res.start);
if (nodeoffset < 0) {
#ifdef CONFIG_FSL_PCIE_COMPAT /* Compatible with older version of dts node */
- nodeoffset = fdt_node_offset_by_compat_reg(blob,
- CONFIG_FSL_PCIE_COMPAT, pcie->dbi_res.start);
+ svr = (get_svr() >> SVR_VAR_PER_SHIFT) & 0xFFFFFE;
+ if (svr == SVR_LS2088A || svr == SVR_LS2084A ||
+ svr == SVR_LS2048A || svr == SVR_LS2044A)
+ compat = "fsl,ls2088a-pcie";
+ else
+ compat = CONFIG_FSL_PCIE_COMPAT;
+ if (compat)
+ nodeoffset = fdt_node_offset_by_compat_reg(blob,
+ compat, pcie->dbi_res.start);
+#endif
if (nodeoffset < 0)
return;
-#else
- return;
-#endif
}
/* get phandle to MSI controller */
@@ -146,19 +153,25 @@ static void fdt_fixup_pcie(void *blob)
static void ft_pcie_ls_setup(void *blob, struct ls_pcie *pcie)
{
int off;
+ uint svr;
+ char *compat = NULL;
off = fdt_node_offset_by_compat_reg(blob, "fsl,ls-pcie",
pcie->dbi_res.start);
if (off < 0) {
#ifdef CONFIG_FSL_PCIE_COMPAT /* Compatible with older version of dts node */
- off = fdt_node_offset_by_compat_reg(blob,
- CONFIG_FSL_PCIE_COMPAT,
- pcie->dbi_res.start);
+ svr = (get_svr() >> SVR_VAR_PER_SHIFT) & 0xFFFFFE;
+ if (svr == SVR_LS2088A || svr == SVR_LS2084A ||
+ svr == SVR_LS2048A || svr == SVR_LS2044A)
+ compat = "fsl,ls2088a-pcie";
+ else
+ compat = CONFIG_FSL_PCIE_COMPAT;
+ if (compat)
+ off = fdt_node_offset_by_compat_reg(blob,
+ compat, pcie->dbi_res.start);
+#endif
if (off < 0)
return;
-#else
- return;
-#endif
}
if (pcie->enabled)
--
2.1.0.27.g96db324
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