diff options
Diffstat (limited to 'arch/powerpc/cpu/mpc85xx/liodn.c')
| -rw-r--r-- | arch/powerpc/cpu/mpc85xx/liodn.c | 60 |
1 files changed, 60 insertions, 0 deletions
diff --git a/arch/powerpc/cpu/mpc85xx/liodn.c b/arch/powerpc/cpu/mpc85xx/liodn.c index 11881c9489..2e533672f3 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"); } |