diff options
| author | Dan Murphy | 2013-10-10 08:54:23 -0500 |
|---|---|---|
| committer | Tom Rini | 2013-10-14 16:06:53 -0400 |
| commit | e84b8f6ce0e7daf4e9781172c4ffd74d7d525dbb (patch) | |
| tree | 65f772f97d5687cd8793b66d10a3bbad4564f3f8 /board | |
| parent | b0c3b1195a2e85e32d7d1610d3683b48750e7394 (diff) | |
ARM: omap4-panda: Add MAC address creation for panda
Add a MAC address create based on the OMAP die ID registers.
Then poplulate the ethaddr enviroment variable so that the device
tree alias can be updated prior to boot.
Signed-off-by: Dan Murphy <dmurphy@ti.com>
Diffstat (limited to 'board')
| -rw-r--r-- | board/ti/panda/panda.c | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/board/ti/panda/panda.c b/board/ti/panda/panda.c index e838ffd9547..bc3c29220e1 100644 --- a/board/ti/panda/panda.c +++ b/board/ti/panda/panda.c @@ -133,6 +133,7 @@ int misc_init_r(void) { int phy_type; u32 auxclk, altclksrc; + uint8_t device_mac[6]; /* EHCI is not supported on ES1.0 */ if (omap_revision() == OMAP4430_ES1_0) @@ -186,6 +187,21 @@ int misc_init_r(void) writel(altclksrc, &scrm->altclksrc); + if (!getenv("usbethaddr")) { + /* + * create a fake MAC address from the processor ID code. + * first byte is 0x02 to signify locally administered. + */ + device_mac[0] = 0x02; + device_mac[1] = readl(STD_FUSE_DIE_ID_3) & 0xff; + device_mac[2] = readl(STD_FUSE_DIE_ID_2) & 0xff; + device_mac[3] = readl(STD_FUSE_DIE_ID_1) & 0xff; + device_mac[4] = readl(STD_FUSE_DIE_ID_0) & 0xff; + device_mac[5] = (readl(STD_FUSE_DIE_ID_0) >> 8) & 0xff; + + eth_setenv_enetaddr("usbethaddr", device_mac); + } + return 0; } |