From eec3f0242df7b96a4dc207515050c20ebaddabb2 Mon Sep 17 00:00:00 2001 From: =?utf8?q?Beno=C3=AEt=20Th=C3=A9baudeau?= Date: Tue, 23 Apr 2013 10:17:47 +0000 Subject: [PATCH] imx: Document fuse assignments for MAC addresses MIME-Version: 1.0 Content-Type: text/plain; charset=utf8 Content-Transfer-Encoding: 8bit Signed-off-by: Benoît Thébaudeau --- doc/README.imx25 | 10 ++++++++++ doc/README.imx27 | 10 ++++++++++ doc/README.imx5 | 6 ++++++ doc/README.imx6 | 10 ++++++++++ 4 files changed, 36 insertions(+) create mode 100644 doc/README.imx25 create mode 100644 doc/README.imx27 create mode 100644 doc/README.imx6 diff --git a/doc/README.imx25 b/doc/README.imx25 new file mode 100644 index 0000000000..0ca21b6dfe --- /dev/null +++ b/doc/README.imx25 @@ -0,0 +1,10 @@ +U-Boot for Freescale i.MX25 + +This file contains information for the port of U-Boot to the Freescale i.MX25 +SoC. + +1. CONVENTIONS FOR FUSE ASSIGNMENTS +----------------------------------- + +1.1 MAC Address: It is stored in the words 26 to 31 of fuse bank 0, using the + natural MAC byte order (i.e. MSB first). diff --git a/doc/README.imx27 b/doc/README.imx27 new file mode 100644 index 0000000000..6f92cb47ce --- /dev/null +++ b/doc/README.imx27 @@ -0,0 +1,10 @@ +U-Boot for Freescale i.MX27 + +This file contains information for the port of U-Boot to the Freescale i.MX27 +SoC. + +1. CONVENTIONS FOR FUSE ASSIGNMENTS +----------------------------------- + +1.1 MAC Address: It is stored in the words 4 to 9 of fuse bank 0, using the + reversed MAC byte order (i.e. LSB first). diff --git a/doc/README.imx5 b/doc/README.imx5 index e08941e2ae..c5312b69d3 100644 --- a/doc/README.imx5 +++ b/doc/README.imx5 @@ -20,3 +20,9 @@ i.MX5x SoCs. This option should be enabled for boards having a SYS_ON_OFF_CTL signal connected to GPIO1[23] and triggering the MAIN_PWR_ON signal like in the reference designs. + +2. CONVENTIONS FOR FUSE ASSIGNMENTS +----------------------------------- + +2.1 MAC Address: It is stored in the words 9 to 14 of fuse bank 1, using the + natural MAC byte order (i.e. MSB first). diff --git a/doc/README.imx6 b/doc/README.imx6 new file mode 100644 index 0000000000..513a06ee86 --- /dev/null +++ b/doc/README.imx6 @@ -0,0 +1,10 @@ +U-Boot for Freescale i.MX6 + +This file contains information for the port of U-Boot to the Freescale i.MX6 +SoC. + +1. CONVENTIONS FOR FUSE ASSIGNMENTS +----------------------------------- + +1.1 MAC Address: It is stored in fuse bank 4, with the 32 lsbs in word 2 and the + 16 msbs in word 3. -- 2.25.1