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powerpc/cpu/mpc85xx: Add MAC address for layer 2 switch

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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>
This commit is contained in:
Codrin Ciubotariu 2014-03-28 18:57:29 +02:00 committed by York Sun
parent 68b747397b
commit d616fc58e5
1 changed files with 29 additions and 0 deletions
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29
arch/powerpc/cpu/mpc85xx/fdt.c
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@ -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);
}
/*