From 495bd533d8f74ed93b20cc952fcc59fbe0922e3f Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Andr=C3=A9=20Fabian=20Silva=20Delgado?= Date: Fri, 25 Sep 2015 21:39:43 -0300 Subject: linux-libre-rt: add armv7h support --- ...dt-retrieve-MAC-addresses-from-Marvell-bo.patch | 46 ++++++++++++++++++++++ 1 file changed, 46 insertions(+) create mode 100644 kernels/linux-libre-rt/0002-ARM-atags-fdt-retrieve-MAC-addresses-from-Marvell-bo.patch (limited to 'kernels/linux-libre-rt/0002-ARM-atags-fdt-retrieve-MAC-addresses-from-Marvell-bo.patch') diff --git a/kernels/linux-libre-rt/0002-ARM-atags-fdt-retrieve-MAC-addresses-from-Marvell-bo.patch b/kernels/linux-libre-rt/0002-ARM-atags-fdt-retrieve-MAC-addresses-from-Marvell-bo.patch new file mode 100644 index 000000000..61d60c889 --- /dev/null +++ b/kernels/linux-libre-rt/0002-ARM-atags-fdt-retrieve-MAC-addresses-from-Marvell-bo.patch @@ -0,0 +1,46 @@ +From 8e6e2743ebdc2f46f59190391db3d2f37290047f Mon Sep 17 00:00:00 2001 +From: Willy Tarreau +Date: Sun, 2 Dec 2012 19:56:58 +0100 +Subject: [PATCH 2/8] 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 +--- + arch/arm/boot/compressed/atags_to_fdt.c | 8 +++++++- + 1 file changed, 7 insertions(+), 1 deletion(-) + +diff --git a/arch/arm/boot/compressed/atags_to_fdt.c b/arch/arm/boot/compressed/atags_to_fdt.c +index 9448aa0..ac7b6ae 100644 +--- a/arch/arm/boot/compressed/atags_to_fdt.c ++++ b/arch/arm/boot/compressed/atags_to_fdt.c +@@ -18,7 +18,7 @@ static int node_offset(void *fdt, const char *node_path) + } + + static int setprop(void *fdt, const char *node_path, const char *property, +- uint32_t *val_array, int size) ++ void *val_array, int size) + { + int offset = node_offset(fdt, node_path); + if (offset < 0) +@@ -179,6 +179,12 @@ int atags_to_fdt(void *atag_list, void *fdt, int total_space) + initrd_start); + setprop_cell(fdt, "/chosen", "linux,initrd-end", + initrd_start + initrd_size); ++ } 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); + } + } + +-- +2.4.4 -- cgit v1.2.3