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authorShaohui Xie <Shaohui.Xie@freescale.com>2014-08-13 18:38:09 +0800
committerYork Sun <yorksun@freescale.com>2014-11-14 11:12:13 -0800
commitae6b45830637f7540d0c06280c886bfcb295d27b (patch)
tree1ce1dbe06b3f130ae6b2c56edb327874d3a1d40b /arch/powerpc
parentff5fb2a36dff8a92d6483359167a6b1525359eaf (diff)
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driver/net/fm/memac_phy: set NEG bit for external MDIOs
NEG bit default is '1' for external MDIOs as per FMAN-v3 RM, but on some platforms, e.g. T2080QDS, this bit is '0', which leads to MDIO failure on XAUI PHY, so set this bit definitely to align with the RM. Signed-off-by: Shaohui Xie <Shaohui.Xie@freescale.com> Acked-by: Joe Hershberger <joe.hershberger@ni.com> Reviewed-by: York Sun <yorksun@freescale.com>
Diffstat (limited to 'arch/powerpc')
-rw-r--r--arch/powerpc/include/asm/fsl_memac.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/arch/powerpc/include/asm/fsl_memac.h b/arch/powerpc/include/asm/fsl_memac.h
index f84c1a9..bed2a40 100644
--- a/arch/powerpc/include/asm/fsl_memac.h
+++ b/arch/powerpc/include/asm/fsl_memac.h
@@ -244,6 +244,7 @@ struct memac_mdio_controller {
#define MDIO_STAT_PRE (1 << 5)
#define MDIO_STAT_ENC (1 << 6)
#define MDIO_STAT_HOLD_15_CLK (7 << 2)
+#define MDIO_STAT_NEG (1 << 23)
#define MDIO_CTL_DEV_ADDR(x) (x & 0x1f)
#define MDIO_CTL_PORT_ADDR(x) ((x & 0x1f) << 5)