1 // SPDX-License-Identifier: GPL-2.0+
4  * Copyright 2014-2015 Freescale Semiconductor, Inc.
27 	if (pcie->next_lut_index < PCIE_LUT_ENTRY_COUNT)  in ls_pcie_next_lut_index()
28 		return pcie->next_lut_index++;  in ls_pcie_next_lut_index()
30 		return -ENOSPC;  /* LUT is full */  in ls_pcie_next_lut_index()
33 /* returns the next available streamid for pcie, -errno if failed */
39 		return -EINVAL;  in ls_pcie_next_streamid()
47 	if (pcie->big_endian)  in lut_writel()
48 		out_be32(pcie->lut + offset, value);  in lut_writel()
50 		out_le32(pcie->lut + offset, value);  in lut_writel()
65  * An msi-map is a property to be added to the pci controller
66  * node.  It is a table, where each entry consists of 4 fields
69  *      msi-map = <[devid] [phandle-to-msi-ctrl] [stream-id] [count]
70  *                 [devid] [phandle-to-msi-ctrl] [stream-id] [count]>;
81 	/* find pci controller node */  in fdt_pcie_set_msi_map_entry()
82 	nodeoffset = fdt_node_offset_by_compat_reg(blob, "fsl,ls-pcie",  in fdt_pcie_set_msi_map_entry()
83 						   pcie->dbi_res.start);  in fdt_pcie_set_msi_map_entry()
85 #ifdef CONFIG_FSL_PCIE_COMPAT /* Compatible with older version of dts node */  in fdt_pcie_set_msi_map_entry()
90 			compat = "fsl,ls2088a-pcie";  in fdt_pcie_set_msi_map_entry()
95 					compat, pcie->dbi_res.start);  in fdt_pcie_set_msi_map_entry()
102 	prop = (u32 *)fdt_getprop(blob, nodeoffset, "msi-parent", 0);  in fdt_pcie_set_msi_map_entry()
104 		debug("\n%s: ERROR: missing msi-parent: PCIe%d\n",  in fdt_pcie_set_msi_map_entry()
105 		      __func__, pcie->idx);  in fdt_pcie_set_msi_map_entry()
110 	/* set one msi-map row */  in fdt_pcie_set_msi_map_entry()
111 	fdt_appendprop_u32(blob, nodeoffset, "msi-map", devid);  in fdt_pcie_set_msi_map_entry()
112 	fdt_appendprop_u32(blob, nodeoffset, "msi-map", phandle);  in fdt_pcie_set_msi_map_entry()
113 	fdt_appendprop_u32(blob, nodeoffset, "msi-map", streamid);  in fdt_pcie_set_msi_map_entry()
114 	fdt_appendprop_u32(blob, nodeoffset, "msi-map", 1);  in fdt_pcie_set_msi_map_entry()
118  * An iommu-map is a property to be added to the pci controller
119  * node.  It is a table, where each entry consists of 4 fields
122  *      iommu-map = <[devid] [phandle-to-iommu-ctrl] [stream-id] [count]
123  *                 [devid] [phandle-to-iommu-ctrl] [stream-id] [count]>;
135 	/* find pci controller node */  in fdt_pcie_set_iommu_map_entry()
136 	nodeoffset = fdt_node_offset_by_compat_reg(blob, "fsl,ls-pcie",  in fdt_pcie_set_iommu_map_entry()
137 						   pcie->dbi_res.start);  in fdt_pcie_set_iommu_map_entry()
139 #ifdef CONFIG_FSL_PCIE_COMPAT /* Compatible with older version of dts node */  in fdt_pcie_set_iommu_map_entry()
144 			compat = "fsl,ls2088a-pcie";  in fdt_pcie_set_iommu_map_entry()
150 						compat, pcie->dbi_res.start);  in fdt_pcie_set_iommu_map_entry()
157 	prop = fdt_getprop_w(blob, nodeoffset, "iommu-map", &lenp);  in fdt_pcie_set_iommu_map_entry()
159 		debug("\n%s: ERROR: missing iommu-map: PCIe%d\n",  in fdt_pcie_set_iommu_map_entry()
160 		      __func__, pcie->idx);  in fdt_pcie_set_iommu_map_entry()
164 	/* set iommu-map row */  in fdt_pcie_set_iommu_map_entry()
171 		fdt_setprop_inplace(blob, nodeoffset, "iommu-map",  in fdt_pcie_set_iommu_map_entry()
174 		fdt_appendprop(blob, nodeoffset, "iommu-map", iommu_map, 16);  in fdt_pcie_set_iommu_map_entry()
191 			bus = bus->parent;  in fdt_fixup_pcie()
207 		bdf = dm_pci_get_bdf(dev) - PCI_BDF(bus->seq, 0, 0);  in fdt_fixup_pcie()
211 		/* update msi-map in device tree */  in fdt_fixup_pcie()
214 		/* update iommu-map in device tree */  in fdt_fixup_pcie()
227 	off = fdt_node_offset_by_compat_reg(blob, "fsl,ls-pcie",  in ft_pcie_rc_fix()
228 					    pcie->dbi_res.start);  in ft_pcie_rc_fix()
230 #ifdef CONFIG_FSL_PCIE_COMPAT /* Compatible with older version of dts node */  in ft_pcie_rc_fix()
235 			compat = "fsl,ls2088a-pcie";  in ft_pcie_rc_fix()
240 					compat, pcie->dbi_res.start);  in ft_pcie_rc_fix()
246 	if (pcie->enabled && pcie->mode == PCI_HEADER_TYPE_BRIDGE)  in ft_pcie_rc_fix()
256 	off = fdt_node_offset_by_compat_reg(blob, "fsl,ls-pcie-ep",  in ft_pcie_ep_fix()
257 					    pcie->dbi_res.start);  in ft_pcie_ep_fix()
261 	if (pcie->enabled && pcie->mode == PCI_HEADER_TYPE_NORMAL)  in ft_pcie_ep_fix()