diff options
Diffstat (limited to 'libre/linux-libre-rt/0002-ARM-atags-fdt-retrieve-MAC-addresses-from-Marvell-bo.patch')
| -rw-r--r-- | libre/linux-libre-rt/0002-ARM-atags-fdt-retrieve-MAC-addresses-from-Marvell-bo.patch | 38 |
1 files changed, 38 insertions, 0 deletions
diff --git a/libre/linux-libre-rt/0002-ARM-atags-fdt-retrieve-MAC-addresses-from-Marvell-bo.patch b/libre/linux-libre-rt/0002-ARM-atags-fdt-retrieve-MAC-addresses-from-Marvell-bo.patch new file mode 100644 index 000000000..758c05046 --- /dev/null +++ b/libre/linux-libre-rt/0002-ARM-atags-fdt-retrieve-MAC-addresses-from-Marvell-bo.patch @@ -0,0 +1,38 @@ +From b2f96ec9b408c8bbec437c3d3b54c0b748fca85a Mon Sep 17 00:00:00 2001 +From: Willy Tarreau <w@xxxxxx> +Date: Sun, 2 Dec 2012 19:56:58 +0100 +Subject: [PATCH 2/7] ARM: atags/fdt: retrieve MAC addresses from Marvell boot + loader + +The atags are parsed and if a Marvell atag is found, up to 4 MAC +addresses are extracted there and assigned to node aliases eth0..3 +with the name "mac-address". + +This was tested on my Mirabox and the two NICs had their correct +address set. + +Signed-off-by: Willy Tarreau <w@xxxxxx> +--- + arch/arm/boot/compressed/atags_to_fdt.c | 6 ++++++ + 1 file changed, 6 insertions(+) + +diff --git a/arch/arm/boot/compressed/atags_to_fdt.c b/arch/arm/boot/compressed/atags_to_fdt.c +index 1feb6b0f7a1f..5e5cb3094b6a 100644 +--- a/arch/arm/boot/compressed/atags_to_fdt.c ++++ b/arch/arm/boot/compressed/atags_to_fdt.c +@@ -205,6 +205,12 @@ int atags_to_fdt(void *atag_list, void *fdt, int total_space) + hex_str(serno, atag->u.serialnr.high); + hex_str(serno+8, atag->u.serialnr.low); + setprop_string(fdt, "/", "serial-number", serno); ++ } else if (atag->hdr.tag == ATAG_MV_UBOOT) { ++ /* This ATAG provides up to 4 MAC addresses */ ++ setprop(fdt, "eth0", "mac-address", atag->u.mv_uboot.macAddr[0], 6); ++ setprop(fdt, "eth1", "mac-address", atag->u.mv_uboot.macAddr[1], 6); ++ setprop(fdt, "eth2", "mac-address", atag->u.mv_uboot.macAddr[2], 6); ++ setprop(fdt, "eth3", "mac-address", atag->u.mv_uboot.macAddr[3], 6); + } + } + +-- +2.37.0 + |