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Diffstat (limited to 'arch/powerpc/cpu/mpc85xx/liodn.c')
-rw-r--r--arch/powerpc/cpu/mpc85xx/liodn.c60
1 files changed, 60 insertions, 0 deletions
diff --git a/arch/powerpc/cpu/mpc85xx/liodn.c b/arch/powerpc/cpu/mpc85xx/liodn.c
index 11881c948..2e533672f 100644
--- a/arch/powerpc/cpu/mpc85xx/liodn.c
+++ b/arch/powerpc/cpu/mpc85xx/liodn.c
@@ -40,6 +40,7 @@ int get_dpaa_liodn(enum fsl_dpaa_dev dpaa_dev, u32 *liodns, int liodn_offset)
return liodn_bases[dpaa_dev].num_ids;
}
+#ifdef CONFIG_SYS_SRIO
static void set_srio_liodn(struct srio_liodn_id_table *tbl, int size)
{
int i;
@@ -54,6 +55,7 @@ static void set_srio_liodn(struct srio_liodn_id_table *tbl, int size)
}
}
}
+#endif
static void set_liodn(struct liodn_id_table *tbl, int size)
{
@@ -181,8 +183,10 @@ void set_liodns(void)
/* setup general liodn offsets */
set_liodn(liodn_tbl, liodn_tbl_sz);
+#ifdef CONFIG_SYS_SRIO
/* setup SRIO port liodns */
set_srio_liodn(srio_liodn_tbl, srio_liodn_tbl_sz);
+#endif
/* setup SEC block liodn bases & offsets if we have one */
if (IS_E_PROCESSOR(get_svr())) {
@@ -219,6 +223,7 @@ void set_liodns(void)
#endif
}
+#ifdef CONFIG_SYS_SRIO
static void fdt_fixup_srio_liodn(void *blob, struct srio_liodn_id_table *tbl)
{
int i, srio_off;
@@ -247,6 +252,57 @@ static void fdt_fixup_srio_liodn(void *blob, struct srio_liodn_id_table *tbl)
}
}
}
+#endif
+
+#define CONFIG_SYS_MAX_PCI_EPS 8
+#define CONFIG_SYS_PCI_EP_LIODN_START 256
+
+static void fdt_fixup_pci_liodn_offsets(void *fdt, const char *compat)
+{
+ int off, pci_idx = 0, pci_cnt = 0, i, rc;
+ const uint32_t *base_liodn;
+ uint32_t liodn_offs[CONFIG_SYS_MAX_PCI_EPS + 1] = { 0 };
+
+ /*
+ * Count the number of pci nodes.
+ * It's needed later when the interleaved liodn offsets are generated.
+ */
+ off = fdt_node_offset_by_compatible(fdt, -1, compat);
+ while (off != -FDT_ERR_NOTFOUND) {
+ pci_cnt++;
+ off = fdt_node_offset_by_compatible(fdt, off, compat);
+ }
+
+ for (off = fdt_node_offset_by_compatible(fdt, -1, compat);
+ off != -FDT_ERR_NOTFOUND;
+ off = fdt_node_offset_by_compatible(fdt, off, compat)) {
+ base_liodn = fdt_getprop(fdt, off, "fsl,liodn", &rc);
+ if (!base_liodn) {
+ char path[64];
+
+ if (fdt_get_path(fdt, off, path, sizeof(path)) < 0)
+ strcpy(path, "(unknown)");
+ printf("WARNING Could not get liodn of node %s: %s\n",
+ path, fdt_strerror(rc));
+ continue;
+ }
+ for (i = 0; i < CONFIG_SYS_MAX_PCI_EPS; i++)
+ liodn_offs[i + 1] = CONFIG_SYS_PCI_EP_LIODN_START +
+ i * pci_cnt + pci_idx - *base_liodn;
+ rc = fdt_setprop(fdt, off, "fsl,liodn-offset-list",
+ liodn_offs, sizeof(liodn_offs));
+ if (rc) {
+ char path[64];
+
+ if (fdt_get_path(fdt, off, path, sizeof(path)) < 0)
+ strcpy(path, "(unknown)");
+ printf("WARNING Unable to set fsl,liodn-offset-list for "
+ "node %s: %s\n", path, fdt_strerror(rc));
+ continue;
+ }
+ pci_idx++;
+ }
+}
static void fdt_fixup_liodn_tbl(void *blob, struct liodn_id_table *tbl, int sz)
{
@@ -277,7 +333,9 @@ static void fdt_fixup_liodn_tbl(void *blob, struct liodn_id_table *tbl, int sz)
void fdt_fixup_liodn(void *blob)
{
+#ifdef CONFIG_SYS_SRIO
fdt_fixup_srio_liodn(blob, srio_liodn_tbl);
+#endif
fdt_fixup_liodn_tbl(blob, liodn_tbl, liodn_tbl_sz);
#ifdef CONFIG_SYS_DPAA_FMAN
@@ -295,4 +353,6 @@ void fdt_fixup_liodn(void *blob)
#ifdef CONFIG_SYS_DPAA_RMAN
fdt_fixup_liodn_tbl(blob, rman_liodn_tbl, rman_liodn_tbl_sz);
#endif
+
+ fdt_fixup_pci_liodn_offsets(blob, "fsl,qoriq-pcie-v2.4");
}