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authorFlorian Fainelli <f.fainelli@gmail.com>2016-11-22 11:40:55 -0800
committerDavid S. Miller <davem@davemloft.net>2016-11-24 15:45:53 -0500
commitd06f78c4232d6a84b50839f61d9d7fbb222d8118 (patch)
tree9301f4e9cd2bee1e719d2acfce8a679e05b7e521 /include/linux/brcmphy.h
parent5519da874ad0f382b725281e443cf7fe58995ed8 (diff)
net: phy: broadcom: Add support code for downshift/Wirespeed
Broadcom's Wirespeed feature allows us to configure how auto-negotiation should behave with fewer working pairs of wires on a cable. Add support code for retrieving and setting such downshift counters using the recently added ethtool downshift tunables. Signed-off-by: Florian Fainelli <f.fainelli@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'include/linux/brcmphy.h')
-rw-r--r--include/linux/brcmphy.h10
1 files changed, 10 insertions, 0 deletions
diff --git a/include/linux/brcmphy.h b/include/linux/brcmphy.h
index 848dc508ef57..f9f8aaf9c943 100644
--- a/include/linux/brcmphy.h
+++ b/include/linux/brcmphy.h
@@ -114,6 +114,7 @@
#define MII_BCM54XX_AUXCTL_SHDWSEL_MISC 0x0007
#define MII_BCM54XX_AUXCTL_SHDWSEL_READ_SHIFT 12
#define MII_BCM54XX_AUXCTL_SHDWSEL_MISC_RGMII_SKEW_EN (1 << 8)
+#define MII_BCM54XX_AUXCTL_SHDWSEL_MISC_WIRESPEED_EN (1 << 4)
#define MII_BCM54XX_AUXCTL_SHDWSEL_MASK 0x0007
@@ -130,6 +131,7 @@
#define BCM_LED_SRC_INTR 0x6
#define BCM_LED_SRC_QUALITY 0x7
#define BCM_LED_SRC_RCVLED 0x8
+#define BCM_LED_SRC_WIRESPEED 0x9
#define BCM_LED_SRC_MULTICOLOR1 0xa
#define BCM_LED_SRC_OPENSHORT 0xb
#define BCM_LED_SRC_OFF 0xe /* Tied high */
@@ -141,6 +143,14 @@
* Shadow values go into bits [14:10] of register 0x1c to select a shadow
* register to access.
*/
+
+/* 00100: Reserved control register 2 */
+#define BCM54XX_SHD_SCR2 0x04
+#define BCM54XX_SHD_SCR2_WSPD_RTRY_DIS 0x100
+#define BCM54XX_SHD_SCR2_WSPD_RTRY_LMT_SHIFT 2
+#define BCM54XX_SHD_SCR2_WSPD_RTRY_LMT_OFFSET 2
+#define BCM54XX_SHD_SCR2_WSPD_RTRY_LMT_MASK 0x7
+
/* 00101: Spare Control Register 3 */
#define BCM54XX_SHD_SCR3 0x05
#define BCM54XX_SHD_SCR3_DEF_CLK125 0x0001