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authorCodrin Ciubotariu <codrin.ciubotariu@freescale.com>2014-03-28 18:57:29 +0200
committerYork Sun <yorksun@freescale.com>2014-04-22 17:58:48 -0700
commitd616fc58e5ac56e2297761ad2ad530eb7df559f9 (patch)
tree670506f73c83c25ffd368352665c4f0440ebe6bd /arch
parent68b747397b9313cb476858413d817d9cd807803e (diff)
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powerpc/cpu/mpc85xx: Add MAC address for layer 2 switch
T1040RDB and T1040QDS boards have an integrated l2 switch. The switch needs a MAC address for Layer 2 protocols (MSTP, LLDP, LACP, etc). Setting a MAC address on l2switchaddr will add a MAC in device-tree, under node l2switch. Signed-off-by: Codrin Ciubotariu <codrin.ciubotariu@freescale.com> Cc: York Sun <yorksun@freescale.com> Reviewed-by: York Sun <yorksun@freescale.com>
Diffstat (limited to 'arch')
-rw-r--r--arch/powerpc/cpu/mpc85xx/fdt.c29
1 files changed, 29 insertions, 0 deletions
diff --git a/arch/powerpc/cpu/mpc85xx/fdt.c b/arch/powerpc/cpu/mpc85xx/fdt.c
index 31e63f7..0cc21c7 100644
--- a/arch/powerpc/cpu/mpc85xx/fdt.c
+++ b/arch/powerpc/cpu/mpc85xx/fdt.c
@@ -586,6 +586,33 @@ static void fdt_fixup_usb(void *fdt)
#define fdt_fixup_usb(x)
#endif
+#if defined(CONFIG_PPC_T1040)
+static void fdt_fixup_l2_switch(void *blob)
+{
+ uchar l2swaddr[6];
+ int node;
+
+ /* The l2switch node from device-tree has
+ * compatible string "vitesse-9953" */
+ node = fdt_node_offset_by_compatible(blob, -1, "vitesse-9953");
+ if (node == -FDT_ERR_NOTFOUND)
+ /* no l2switch node has been found */
+ return;
+
+ /* Get MAC address for the l2switch from "l2switchaddr"*/
+ if (!eth_getenv_enetaddr("l2switchaddr", l2swaddr)) {
+ printf("Warning: MAC address for l2switch not found\n");
+ memset(l2swaddr, 0, sizeof(l2swaddr));
+ }
+
+ /* Add MAC address to l2switch node */
+ fdt_setprop(blob, node, "local-mac-address", l2swaddr,
+ sizeof(l2swaddr));
+}
+#else
+#define fdt_fixup_l2_switch(x)
+#endif
+
void ft_cpu_setup(void *blob, bd_t *bd)
{
int off;
@@ -723,6 +750,8 @@ void ft_cpu_setup(void *blob, bd_t *bd)
"clock-frequency", gd->bus_clk/2, 1);
fdt_fixup_usb(blob);
+
+ fdt_fixup_l2_switch(blob);
}
/*