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authorAngelos Mouzakitis <a.mouzakitis@virtualopensystems.com>2023-10-10 14:33:42 +0000
committerAngelos Mouzakitis <a.mouzakitis@virtualopensystems.com>2023-10-10 14:33:42 +0000
commitaf1a266670d040d2f4083ff309d732d648afba2a (patch)
tree2fc46203448ddcc6f81546d379abfaeb323575e9 /roms/u-boot/drivers/pci/pcie_layerscape_fixup.c
parente02cda008591317b1625707ff8e115a4841aa889 (diff)
Add submodule dependency filesHEADmaster
Change-Id: Iaf8d18082d3991dec7c0ebbea540f092188eb4ec
Diffstat (limited to 'roms/u-boot/drivers/pci/pcie_layerscape_fixup.c')
-rw-r--r--roms/u-boot/drivers/pci/pcie_layerscape_fixup.c629
1 files changed, 629 insertions, 0 deletions
diff --git a/roms/u-boot/drivers/pci/pcie_layerscape_fixup.c b/roms/u-boot/drivers/pci/pcie_layerscape_fixup.c
new file mode 100644
index 000000000..a58e7a389
--- /dev/null
+++ b/roms/u-boot/drivers/pci/pcie_layerscape_fixup.c
@@ -0,0 +1,629 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * Copyright 2017-2020 NXP
+ * Copyright 2014-2015 Freescale Semiconductor, Inc.
+ * Layerscape PCIe driver
+ */
+
+#include <common.h>
+#include <dm.h>
+#include <init.h>
+#include <log.h>
+#include <pci.h>
+#include <asm/arch/fsl_serdes.h>
+#include <asm/io.h>
+#include <errno.h>
+#ifdef CONFIG_OF_BOARD_SETUP
+#include <linux/libfdt.h>
+#include <fdt_support.h>
+#ifdef CONFIG_ARM
+#include <asm/arch/clock.h>
+#endif
+#include <malloc.h>
+#include <env.h>
+#include "pcie_layerscape.h"
+#include "pcie_layerscape_fixup_common.h"
+
+static int fdt_pcie_get_nodeoffset(void *blob, struct ls_pcie_rc *pcie_rc)
+{
+ int nodeoffset;
+ uint svr;
+ char *compat = NULL;
+
+ /* find pci controller node */
+ nodeoffset = fdt_node_offset_by_compat_reg(blob, "fsl,ls-pcie",
+ pcie_rc->dbi_res.start);
+ if (nodeoffset < 0) {
+#ifdef CONFIG_FSL_PCIE_COMPAT /* Compatible with older version of dts node */
+ svr = (get_svr() >> SVR_VAR_PER_SHIFT) & 0xFFFFFE;
+ if (svr == SVR_LS2088A || svr == SVR_LS2084A ||
+ svr == SVR_LS2048A || svr == SVR_LS2044A ||
+ svr == SVR_LS2081A || svr == SVR_LS2041A)
+ compat = "fsl,ls2088a-pcie";
+ else
+ compat = CONFIG_FSL_PCIE_COMPAT;
+
+ nodeoffset =
+ fdt_node_offset_by_compat_reg(blob, compat,
+ pcie_rc->dbi_res.start);
+#endif
+ }
+
+ return nodeoffset;
+}
+
+#if defined(CONFIG_FSL_LSCH3) || defined(CONFIG_FSL_LSCH2)
+/*
+ * Return next available LUT index.
+ */
+static int ls_pcie_next_lut_index(struct ls_pcie_rc *pcie_rc)
+{
+ if (pcie_rc->next_lut_index < PCIE_LUT_ENTRY_COUNT)
+ return pcie_rc->next_lut_index++;
+ else
+ return -ENOSPC; /* LUT is full */
+}
+
+static void lut_writel(struct ls_pcie_rc *pcie_rc, unsigned int value,
+ unsigned int offset)
+{
+ struct ls_pcie *pcie = pcie_rc->pcie;
+
+ if (pcie->big_endian)
+ out_be32(pcie->lut + offset, value);
+ else
+ out_le32(pcie->lut + offset, value);
+}
+
+/*
+ * Program a single LUT entry
+ */
+static void ls_pcie_lut_set_mapping(struct ls_pcie_rc *pcie_rc, int index,
+ u32 devid, u32 streamid)
+{
+ /* leave mask as all zeroes, want to match all bits */
+ lut_writel(pcie_rc, devid << 16, PCIE_LUT_UDR(index));
+ lut_writel(pcie_rc, streamid | PCIE_LUT_ENABLE, PCIE_LUT_LDR(index));
+}
+
+/*
+ * An msi-map is a property to be added to the pci controller
+ * node. It is a table, where each entry consists of 4 fields
+ * e.g.:
+ *
+ * msi-map = <[devid] [phandle-to-msi-ctrl] [stream-id] [count]
+ * [devid] [phandle-to-msi-ctrl] [stream-id] [count]>;
+ */
+static void fdt_pcie_set_msi_map_entry_ls(void *blob,
+ struct ls_pcie_rc *pcie_rc,
+ u32 devid, u32 streamid)
+{
+ u32 *prop;
+ u32 phandle;
+ int nodeoffset;
+ uint svr;
+ char *compat = NULL;
+ struct ls_pcie *pcie = pcie_rc->pcie;
+
+ /* find pci controller node */
+ nodeoffset = fdt_node_offset_by_compat_reg(blob, "fsl,ls-pcie",
+ pcie_rc->dbi_res.start);
+ if (nodeoffset < 0) {
+#ifdef CONFIG_FSL_PCIE_COMPAT /* Compatible with older version of dts node */
+ svr = (get_svr() >> SVR_VAR_PER_SHIFT) & 0xFFFFFE;
+ if (svr == SVR_LS2088A || svr == SVR_LS2084A ||
+ svr == SVR_LS2048A || svr == SVR_LS2044A ||
+ svr == SVR_LS2081A || svr == SVR_LS2041A)
+ compat = "fsl,ls2088a-pcie";
+ else
+ compat = CONFIG_FSL_PCIE_COMPAT;
+ if (compat)
+ nodeoffset = fdt_node_offset_by_compat_reg(blob,
+ compat, pcie_rc->dbi_res.start);
+#endif
+ if (nodeoffset < 0)
+ return;
+ }
+
+ /* get phandle to MSI controller */
+ prop = (u32 *)fdt_getprop(blob, nodeoffset, "msi-parent", 0);
+ if (prop == NULL) {
+ debug("\n%s: ERROR: missing msi-parent: PCIe%d\n",
+ __func__, pcie->idx);
+ return;
+ }
+ phandle = fdt32_to_cpu(*prop);
+
+ /* set one msi-map row */
+ fdt_appendprop_u32(blob, nodeoffset, "msi-map", devid);
+ fdt_appendprop_u32(blob, nodeoffset, "msi-map", phandle);
+ fdt_appendprop_u32(blob, nodeoffset, "msi-map", streamid);
+ fdt_appendprop_u32(blob, nodeoffset, "msi-map", 1);
+}
+
+/*
+ * An iommu-map is a property to be added to the pci controller
+ * node. It is a table, where each entry consists of 4 fields
+ * e.g.:
+ *
+ * iommu-map = <[devid] [phandle-to-iommu-ctrl] [stream-id] [count]
+ * [devid] [phandle-to-iommu-ctrl] [stream-id] [count]>;
+ */
+static void fdt_pcie_set_iommu_map_entry_ls(void *blob,
+ struct ls_pcie_rc *pcie_rc,
+ u32 devid, u32 streamid)
+{
+ u32 *prop;
+ u32 iommu_map[4];
+ int nodeoffset;
+ int lenp;
+ struct ls_pcie *pcie = pcie_rc->pcie;
+
+ nodeoffset = fdt_pcie_get_nodeoffset(blob, pcie_rc);
+ if (nodeoffset < 0)
+ return;
+
+ /* get phandle to iommu controller */
+ prop = fdt_getprop_w(blob, nodeoffset, "iommu-map", &lenp);
+ if (prop == NULL) {
+ debug("\n%s: ERROR: missing iommu-map: PCIe%d\n",
+ __func__, pcie->idx);
+ return;
+ }
+
+ /* set iommu-map row */
+ iommu_map[0] = cpu_to_fdt32(devid);
+ iommu_map[1] = *++prop;
+ iommu_map[2] = cpu_to_fdt32(streamid);
+ iommu_map[3] = cpu_to_fdt32(1);
+
+ if (devid == 0) {
+ fdt_setprop_inplace(blob, nodeoffset, "iommu-map",
+ iommu_map, 16);
+ } else {
+ fdt_appendprop(blob, nodeoffset, "iommu-map", iommu_map, 16);
+ }
+}
+
+static int fdt_fixup_pcie_device_ls(void *blob, pci_dev_t bdf,
+ struct ls_pcie_rc *pcie_rc)
+{
+ int streamid, index;
+
+ streamid = pcie_next_streamid(pcie_rc->stream_id_cur,
+ pcie_rc->pcie->idx);
+ if (streamid < 0) {
+ printf("ERROR: out of stream ids for BDF %d.%d.%d\n",
+ PCI_BUS(bdf), PCI_DEV(bdf), PCI_FUNC(bdf));
+ return -ENOENT;
+ }
+ pcie_rc->stream_id_cur++;
+
+ index = ls_pcie_next_lut_index(pcie_rc);
+ if (index < 0) {
+ printf("ERROR: out of LUT indexes for BDF %d.%d.%d\n",
+ PCI_BUS(bdf), PCI_DEV(bdf), PCI_FUNC(bdf));
+ return -ENOENT;
+ }
+
+ /* map PCI b.d.f to streamID in LUT */
+ ls_pcie_lut_set_mapping(pcie_rc, index, bdf >> 8, streamid);
+ /* update msi-map in device tree */
+ fdt_pcie_set_msi_map_entry_ls(blob, pcie_rc, bdf >> 8, streamid);
+ /* update iommu-map in device tree */
+ fdt_pcie_set_iommu_map_entry_ls(blob, pcie_rc, bdf >> 8, streamid);
+
+ return 0;
+}
+
+struct extra_iommu_entry {
+ int action;
+ pci_dev_t bdf;
+ int num_vfs;
+ bool noari;
+};
+
+#define EXTRA_IOMMU_ENTRY_HOTPLUG 1
+#define EXTRA_IOMMU_ENTRY_VFS 2
+
+static struct extra_iommu_entry *get_extra_iommu_ents(void *blob,
+ int nodeoffset,
+ phys_addr_t addr,
+ int *cnt)
+{
+ const char *s, *p, *tok;
+ struct extra_iommu_entry *entries;
+ int i = 0, b, d, f;
+
+ /*
+ * Retrieve extra IOMMU configuration from env var or from device tree.
+ * Env var is given priority.
+ */
+ s = env_get("pci_iommu_extra");
+ if (!s) {
+ s = fdt_getprop(blob, nodeoffset, "pci-iommu-extra", NULL);
+ } else {
+ phys_addr_t pci_base;
+ char *endp;
+
+ /*
+ * In env var case the config string has "pci@0x..." in
+ * addition. Parse this part and match it by address against
+ * the input pci controller's registers base address.
+ */
+ tok = s;
+ p = strchrnul(s + 1, ',');
+ s = NULL;
+ do {
+ if (!strncmp(tok, "pci", 3)) {
+ pci_base = simple_strtoul(tok + 4, &endp, 0);
+ if (pci_base == addr) {
+ s = endp + 1;
+ break;
+ }
+ }
+ p = strchrnul(p + 1, ',');
+ tok = p + 1;
+ } while (*p);
+ }
+
+ /*
+ * If no env var or device tree property found or pci register base
+ * address mismatches, bail out
+ */
+ if (!s)
+ return NULL;
+
+ /*
+ * In order to find how many action entries to allocate, count number
+ * of actions by interating through the pairs of bdfs and actions.
+ */
+ *cnt = 0;
+ p = s;
+ while (*p && strncmp(p, "pci", 3)) {
+ if (*p == ',')
+ (*cnt)++;
+ p++;
+ }
+ if (!(*p))
+ (*cnt)++;
+
+ if (!(*cnt) || (*cnt) % 2) {
+ printf("ERROR: invalid or odd extra iommu token count %d\n",
+ *cnt);
+ return NULL;
+ }
+ *cnt = (*cnt) / 2;
+
+ entries = malloc((*cnt) * sizeof(*entries));
+ if (!entries) {
+ printf("ERROR: fail to allocate extra iommu entries\n");
+ return NULL;
+ }
+
+ /*
+ * Parse action entries one by one and store the information in the
+ * newly allocated actions array.
+ */
+ p = s;
+ while (p) {
+ /* Extract BDF */
+ b = simple_strtoul(p, (char **)&p, 0); p++;
+ d = simple_strtoul(p, (char **)&p, 0); p++;
+ f = simple_strtoul(p, (char **)&p, 0); p++;
+ entries[i].bdf = PCI_BDF(b, d, f);
+
+ /* Parse action */
+ if (!strncmp(p, "hp", 2)) {
+ /* Hot-plug entry */
+ entries[i].action = EXTRA_IOMMU_ENTRY_HOTPLUG;
+ p += 2;
+ } else if (!strncmp(p, "vfs", 3) ||
+ !strncmp(p, "noari_vfs", 9)) {
+ /* VFs or VFs with ARI disabled entry */
+ entries[i].action = EXTRA_IOMMU_ENTRY_VFS;
+ entries[i].noari = !strncmp(p, "noari_vfs", 9);
+
+ /*
+ * Parse and store total number of VFs to allocate
+ * IOMMU entries for.
+ */
+ p = strchr(p, '=');
+ entries[i].num_vfs = simple_strtoul(p + 1, (char **)&p,
+ 0);
+ if (*p)
+ p++;
+ } else {
+ printf("ERROR: invalid action in extra iommu entry\n");
+ free(entries);
+
+ return NULL;
+ }
+
+ if (!(*p) || !strncmp(p, "pci", 3))
+ break;
+
+ i++;
+ }
+
+ return entries;
+}
+
+static void get_vf_offset_and_stride(struct udevice *dev, int sriov_pos,
+ struct extra_iommu_entry *entry,
+ u16 *offset, u16 *stride)
+{
+ u16 tmp16;
+ u32 tmp32;
+ bool have_ari = false;
+ int pos;
+ struct udevice *pf_dev;
+
+ dm_pci_read_config16(dev, sriov_pos + PCI_SRIOV_TOTAL_VF, &tmp16);
+ if (entry->num_vfs > tmp16) {
+ printf("WARN: requested no. of VFs %d exceeds total of %d\n",
+ entry->num_vfs, tmp16);
+ }
+
+ /*
+ * The code below implements the VF Discovery recomandations specified
+ * in PCIe base spec "9.2.1.2 VF Discovery", quoted below:
+ *
+ * VF Discovery
+ *
+ * The First VF Offset and VF Stride fields in the SR-IOV extended
+ * capability are 16-bit Routing ID offsets. These offsets are used to
+ * compute the Routing IDs for the VFs with the following restrictions:
+ * - The value in NumVFs in a PF (Section 9.3.3.7) may affect the
+ * values in First VF Offset (Section 9.3.3.9) and VF Stride
+ * (Section 9.3.3.10) of that PF.
+ * - The value in ARI Capable Hierarchy (Section 9.3.3.3.5) in the
+ * lowest-numbered PF of the Device (for example PF0) may affect
+ * the values in First VF Offset and VF Stride in all PFs of the
+ * Device.
+ * - NumVFs of a PF may only be changed when VF Enable
+ * (Section 9.3.3.3.1) of that PF is Clear.
+ * - ARI Capable Hierarchy (Section 9.3.3.3.5) may only be changed
+ * when VF Enable is Clear in all PFs of a Device.
+ */
+
+ /* Clear VF enable for all PFs */
+ device_foreach_child(pf_dev, dev->parent) {
+ dm_pci_read_config16(pf_dev, sriov_pos + PCI_SRIOV_CTRL,
+ &tmp16);
+ tmp16 &= ~PCI_SRIOV_CTRL_VFE;
+ dm_pci_write_config16(pf_dev, sriov_pos + PCI_SRIOV_CTRL,
+ tmp16);
+ }
+
+ /* Obtain a reference to PF0 device */
+ if (dm_pci_bus_find_bdf(PCI_BDF(PCI_BUS(entry->bdf),
+ PCI_DEV(entry->bdf), 0), &pf_dev)) {
+ printf("WARN: failed to get PF0\n");
+ }
+
+ if (entry->noari)
+ goto skip_ari;
+
+ /* Check that connected downstream port supports ARI Forwarding */
+ pos = dm_pci_find_capability(dev->parent, PCI_CAP_ID_EXP);
+ dm_pci_read_config32(dev->parent, pos + PCI_EXP_DEVCAP2, &tmp32);
+ if (!(tmp32 & PCI_EXP_DEVCAP2_ARI))
+ goto skip_ari;
+
+ /* Check that PF supports Alternate Routing ID */
+ if (!dm_pci_find_ext_capability(dev, PCI_EXT_CAP_ID_ARI))
+ goto skip_ari;
+
+ /* Set ARI Capable Hierarcy for PF0 */
+ dm_pci_read_config16(pf_dev, sriov_pos + PCI_SRIOV_CTRL, &tmp16);
+ tmp16 |= PCI_SRIOV_CTRL_ARI;
+ dm_pci_write_config16(pf_dev, sriov_pos + PCI_SRIOV_CTRL, tmp16);
+ have_ari = true;
+
+skip_ari:
+ if (!have_ari) {
+ /*
+ * No ARI support or disabled so clear ARI Capable Hierarcy
+ * for PF0
+ */
+ dm_pci_read_config16(pf_dev, sriov_pos + PCI_SRIOV_CTRL,
+ &tmp16);
+ tmp16 &= ~PCI_SRIOV_CTRL_ARI;
+ dm_pci_write_config16(pf_dev, sriov_pos + PCI_SRIOV_CTRL,
+ tmp16);
+ }
+
+ /* Set requested number of VFs */
+ dm_pci_write_config16(dev, sriov_pos + PCI_SRIOV_NUM_VF,
+ entry->num_vfs);
+
+ /* Read VF stride and offset with the configs just made */
+ dm_pci_read_config16(dev, sriov_pos + PCI_SRIOV_VF_OFFSET, offset);
+ dm_pci_read_config16(dev, sriov_pos + PCI_SRIOV_VF_STRIDE, stride);
+
+ if (have_ari) {
+ /* Reset to default ARI Capable Hierarcy bit for PF0 */
+ dm_pci_read_config16(pf_dev, sriov_pos + PCI_SRIOV_CTRL,
+ &tmp16);
+ tmp16 &= ~PCI_SRIOV_CTRL_ARI;
+ dm_pci_write_config16(pf_dev, sriov_pos + PCI_SRIOV_CTRL,
+ tmp16);
+ }
+ /* Reset to default the number of VFs */
+ dm_pci_write_config16(dev, sriov_pos + PCI_SRIOV_NUM_VF, 0);
+}
+
+static int fdt_fixup_pci_vfs(void *blob, struct extra_iommu_entry *entry,
+ struct ls_pcie_rc *pcie_rc)
+{
+ struct udevice *dev, *bus;
+ u16 vf_offset, vf_stride;
+ int i, sriov_pos;
+ pci_dev_t bdf;
+
+ if (dm_pci_bus_find_bdf(entry->bdf, &dev)) {
+ printf("ERROR: BDF %d.%d.%d not found\n", PCI_BUS(entry->bdf),
+ PCI_DEV(entry->bdf), PCI_FUNC(entry->bdf));
+ return 0;
+ }
+
+ sriov_pos = dm_pci_find_ext_capability(dev, PCI_EXT_CAP_ID_SRIOV);
+ if (!sriov_pos) {
+ printf("WARN: trying to set VFs on non-SRIOV dev\n");
+ return 0;
+ }
+
+ get_vf_offset_and_stride(dev, sriov_pos, entry, &vf_offset, &vf_stride);
+
+ for (bus = dev; device_is_on_pci_bus(bus);)
+ bus = bus->parent;
+
+ bdf = entry->bdf - PCI_BDF(dev_seq(bus), 0, 0) + (vf_offset << 8);
+
+ for (i = 0; i < entry->num_vfs; i++) {
+ if (fdt_fixup_pcie_device_ls(blob, bdf, pcie_rc) < 0)
+ return -1;
+ bdf += vf_stride << 8;
+ }
+
+ printf("Added %d iommu VF mappings for PF %d.%d.%d\n",
+ entry->num_vfs, PCI_BUS(entry->bdf),
+ PCI_DEV(entry->bdf), PCI_FUNC(entry->bdf));
+
+ return 0;
+}
+
+static void fdt_fixup_pcie_ls(void *blob)
+{
+ struct udevice *dev, *bus;
+ struct ls_pcie_rc *pcie_rc;
+ pci_dev_t bdf;
+ struct extra_iommu_entry *entries;
+ int i, cnt, nodeoffset;
+
+
+ /* Scan all known buses */
+ for (pci_find_first_device(&dev);
+ dev;
+ pci_find_next_device(&dev)) {
+ for (bus = dev; device_is_on_pci_bus(bus);)
+ bus = bus->parent;
+
+ /* Only do the fixups for layerscape PCIe controllers */
+ if (!device_is_compatible(bus, "fsl,ls-pcie") &&
+ !device_is_compatible(bus, CONFIG_FSL_PCIE_COMPAT))
+ continue;
+
+ pcie_rc = dev_get_priv(bus);
+
+ /* the DT fixup must be relative to the hose first_busno */
+ bdf = dm_pci_get_bdf(dev) - PCI_BDF(dev_seq(bus), 0, 0);
+
+ if (fdt_fixup_pcie_device_ls(blob, bdf, pcie_rc) < 0)
+ break;
+ }
+
+ if (!IS_ENABLED(CONFIG_PCI_IOMMU_EXTRA_MAPPINGS))
+ goto skip;
+
+ list_for_each_entry(pcie_rc, &ls_pcie_list, list) {
+ nodeoffset = fdt_pcie_get_nodeoffset(blob, pcie_rc);
+ if (nodeoffset < 0) {
+ printf("ERROR: couldn't find pci node\n");
+ continue;
+ }
+
+ entries = get_extra_iommu_ents(blob, nodeoffset,
+ pcie_rc->dbi_res.start, &cnt);
+ if (!entries)
+ continue;
+
+ for (i = 0; i < cnt; i++) {
+ if (entries[i].action == EXTRA_IOMMU_ENTRY_HOTPLUG) {
+ bdf = entries[i].bdf;
+ printf("Added iommu map for hotplug %d.%d.%d\n",
+ PCI_BUS(bdf), PCI_DEV(bdf),
+ PCI_FUNC(bdf));
+ if (fdt_fixup_pcie_device_ls(blob, bdf,
+ pcie_rc) < 0) {
+ free(entries);
+ return;
+ }
+ } else if (entries[i].action == EXTRA_IOMMU_ENTRY_VFS) {
+ if (fdt_fixup_pci_vfs(blob, &entries[i],
+ pcie_rc) < 0) {
+ free(entries);
+ return;
+ }
+ } else {
+ printf("Invalid action %d for BDF %d.%d.%d\n",
+ entries[i].action,
+ PCI_BUS(entries[i].bdf),
+ PCI_DEV(entries[i].bdf),
+ PCI_FUNC(entries[i].bdf));
+ }
+ }
+ free(entries);
+ }
+
+skip:
+ pcie_board_fix_fdt(blob);
+}
+#endif
+
+static void ft_pcie_rc_fix(void *blob, struct ls_pcie_rc *pcie_rc)
+{
+ int off;
+ struct ls_pcie *pcie = pcie_rc->pcie;
+
+ off = fdt_pcie_get_nodeoffset(blob, pcie_rc);
+ if (off < 0)
+ return;
+
+ if (pcie_rc->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_rc *pcie_rc)
+{
+ int off;
+ struct ls_pcie *pcie = pcie_rc->pcie;
+
+ off = fdt_node_offset_by_compat_reg(blob, CONFIG_FSL_PCIE_EP_COMPAT,
+ pcie_rc->dbi_res.start);
+ if (off < 0)
+ return;
+
+ if (pcie_rc->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_rc *pcie_rc)
+{
+ ft_pcie_ep_fix(blob, pcie_rc);
+ ft_pcie_rc_fix(blob, pcie_rc);
+}
+
+/* Fixup Kernel DT for PCIe */
+void ft_pci_setup_ls(void *blob, struct bd_info *bd)
+{
+ struct ls_pcie_rc *pcie_rc;
+
+ list_for_each_entry(pcie_rc, &ls_pcie_list, list)
+ ft_pcie_ls_setup(blob, pcie_rc);
+
+#if defined(CONFIG_FSL_LSCH3) || defined(CONFIG_FSL_LSCH2)
+ fdt_fixup_pcie_ls(blob);
+#endif
+}
+
+#else /* !CONFIG_OF_BOARD_SETUP */
+void ft_pci_setup_ls(void *blob, struct bd_info *bd)
+{
+}
+#endif