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pci: layerscape: Fixup device tree node for ls2088a 

LS2088A and its variants have different PCIe node than LS2080A.
The compatible string is updated accordingly.

Signed-off-by: Hou Zhiqiang <Zhiqiang.Hou@nxp.com>
Reviewed-by: York Sun <york.sun@nxp.com>
This commit is contained in:
Hou Zhiqiang 2017-03-03 12:35:10 +08:00 committed by York Sun
parent 3d8553f0a3
commit 0aaa1a90b3
1 changed files with 24 additions and 11 deletions
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35
drivers/pci/pcie_layerscape_fixup.c
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@ -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)