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pci: layerscape: Add the dts fixup for EP and RC

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Add the dts fixup when PCI controller work diffferent mode.

Signed-off-by: Xiaowei Bao <xiaowei.bao@nxp.com>
Reviewed-by: York Sun <york.sun@nxp.com>
This commit is contained in:
Xiaowei Bao 2018-10-26 09:56:26 +08:00 committed by York Sun
parent 87e0d2b9ac
commit 59a557f360
1 changed files with 23 additions and 2 deletions
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25
drivers/pci/pcie_layerscape_fixup.c
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@ -218,7 +218,7 @@ static void fdt_fixup_pcie(void *blob)
}
#endif
static void ft_pcie_ls_setup(void *blob, struct ls_pcie *pcie)
static void ft_pcie_rc_fix(void *blob, struct ls_pcie *pcie)
{
int off;
uint svr;
@ -243,12 +243,33 @@ static void ft_pcie_ls_setup(void *blob, struct ls_pcie *pcie)
return;
}
if (pcie->enabled)
if (pcie->enabled && pcie->mode == PCI_HEADER_TYPE_BRIDGE)
fdt_set_node_status(blob, off, FDT_STATUS_OKAY, 0);
else
fdt_set_node_status(blob, off, FDT_STATUS_DISABLED, 0);
}
static void ft_pcie_ep_fix(void *blob, struct ls_pcie *pcie)
{
int off;
off = fdt_node_offset_by_compat_reg(blob, "fsl,ls-pcie-ep",
pcie->dbi_res.start);
if (off < 0)
return;
if (pcie->enabled && pcie->mode == PCI_HEADER_TYPE_NORMAL)
fdt_set_node_status(blob, off, FDT_STATUS_OKAY, 0);
else
fdt_set_node_status(blob, off, FDT_STATUS_DISABLED, 0);
}
static void ft_pcie_ls_setup(void *blob, struct ls_pcie *pcie)
{
ft_pcie_ep_fix(blob, pcie);
ft_pcie_rc_fix(blob, pcie);
}
/* Fixup Kernel DT for PCIe */
void ft_pci_setup(void *blob, bd_t *bd)
{