diff options
| author | Stefan Agner <stefan.agner@toradex.com> | 2016-05-24 16:05:23 -0700 |
|---|---|---|
| committer | Max Krummenacher <max.krummenacher@toradex.com> | 2016-06-22 14:36:38 +0200 |
| commit | 2f3e53e62092ab17973a29e85a350aaf1c64430b (patch) | |
| tree | d69c5c931a191cb7f3eaf8bb1284d5ed781e77f7 | |
| parent | c12a0fc4a37d0a77ed5ab07d63278f44bf43e28b (diff) | |
apalis_imx6: fix Ethernet when using gigabit switch
U-Boot on Apalis iMX6 has a known problem:
Apparently Apalis iMX6 does not works with Gigabit switches...
Limiting speed to 10/100Mbps, and setting master mode, seems to
be the only way to have a successful PHY auto negotiation.
How to fix: Understand why Linux kernel do not have this issue.
However, the current work around did not take effect since the
generic phy config function (which gets called after the board
level work-around) reenabled gigabit advertisment again.
Use the newly introduced environment variable to disable gigabit
Ethernet advertisement.
Signed-off-by: Stefan Agner <stefan.agner@toradex.com>
Acked-by: Max Krummenacher <max.krummenacher@toradex.com>
| -rw-r--r-- | board/toradex/apalis_imx6/apalis_imx6.c | 8 | ||||
| -rw-r--r-- | include/configs/apalis_imx6.h | 1 |
2 files changed, 1 insertions, 8 deletions
diff --git a/board/toradex/apalis_imx6/apalis_imx6.c b/board/toradex/apalis_imx6/apalis_imx6.c index bcaab9ca58..8519e4e6f9 100644 --- a/board/toradex/apalis_imx6/apalis_imx6.c +++ b/board/toradex/apalis_imx6/apalis_imx6.c @@ -200,14 +200,6 @@ iomux_v3_cfg_t const usdhc3_pads[] = { int mx6_rgmii_rework(struct phy_device *phydev) { - /* - * Bug: Apparently Apalis iMX6 does not works with Gigabit switches... - * Limiting speed to 10/100Mbps, and setting master mode, seems to - * be the only way to have a successful PHY auto negotiation. - * How to fix: Understand why Linux kernel do not have this issue. - */ - phy_write(phydev, MDIO_DEVAD_NONE, MII_CTRL1000, 0x1c00); - /* control data pad skew - devaddr = 0x02, register = 0x04 */ ksz9031_phy_extended_write(phydev, 0x02, MII_KSZ9031_EXT_RGMII_CTRL_SIG_SKEW, diff --git a/include/configs/apalis_imx6.h b/include/configs/apalis_imx6.h index 3769709394..5f24951fc7 100644 --- a/include/configs/apalis_imx6.h +++ b/include/configs/apalis_imx6.h @@ -287,6 +287,7 @@ "console=ttymxc0\0" \ "defargs=enable_wait_mode=off vmalloc=400M\0" \ "dfu_alt_info=" DFU_ALT_EMMC_INFO "\0" \ + "disable_giga=1\0" \ EMMC_BOOTCMD \ "fdt_file=" FDT_FILE "\0" \ MEM_LAYOUT_ENV_SETTINGS \ |