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Code Issues

uboot-oxnas: adjust digtial drive strength of IC+ phy

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This is what the vendor bootloader does on KD20.

Signed-off-by: Daniel Golle <daniel@makrotopia.org>

SVN-Revision: 43509
This commit is contained in:
John Crispin 2014-12-03 16:05:17 +00:00
parent 60edf49f7b
commit 871e0a6316
1 changed files with 14 additions and 1 deletions
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15
package/boot/uboot-oxnas/patches/200-icplus-phy.patch
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@ -24,7 +24,7 @@ Add it back, so we can use it.
obj-$(CONFIG_PHY_MICREL) += micrel.o
--- /dev/null
+++ b/drivers/net/phy/icplus.c
@@ -0,0 +1,80 @@
@@ -0,0 +1,93 @@
+/*
+ * ICPlus PHY drivers
+ *
@ -43,6 +43,15 @@ Add it back, so we can use it.
+#define IP101A_G_IRQ_CONF_STATUS 0x11 /* Conf Info IRQ & Status Reg */
+#define IP101A_G_IRQ_PIN_USED (1<<15) /* INTR pin used */
+#define IP101A_G_IRQ_DEFAULT IP101A_G_IRQ_PIN_USED
+#define IP1001LF_DRIVE_MASK (15 << 5)
+#define IP1001LF_RXCLKDRIVE_HI (2 << 5)
+#define IP1001LF_RXDDRIVE_HI (2 << 7)
+#define IP1001LF_RXCLKDRIVE_M (1 << 5)
+#define IP1001LF_RXDDRIVE_M (1 << 7)
+#define IP1001LF_RXCLKDRIVE_L (0 << 5)
+#define IP1001LF_RXDDRIVE_L (0 << 7)
+#define IP1001LF_RXCLKDRIVE_VL (3 << 5)
+#define IP1001LF_RXDDRIVE_VL (3 << 7)
+
+static int ip1001_config(struct phy_device *phydev)
+{
@ -73,6 +82,10 @@ Add it back, so we can use it.
+ return c;
+
+ c |= IP1001_PHASE_SEL_MASK;
+ /* adjust digtial drive strength */
+ c &= ~IP1001LF_DRIVE_MASK;
+ c |= IP1001LF_RXCLKDRIVE_M;
+ c |= IP1001LF_RXDDRIVE_M;
+ c = phy_write(phydev, MDIO_DEVAD_NONE, IP10XX_SPEC_CTRL_STATUS,
+ c);
+ if (c < 0)