Enable the use of the Ethernet port 1 (none other tested).
Signed-off-by: Renaud Barbier <[email protected]>
---
arch/arm/boards/ls1021aiot/board.c | 35 ++++++++++++++++++++++++
arch/arm/configs/layerscape_v7_defconfig | 7 +++++
arch/arm/dts/fsl-ls1021a-iot.dts | 28 +++++++++++++++++++
3 files changed, 70 insertions(+)
diff --git a/arch/arm/boards/ls1021aiot/board.c
b/arch/arm/boards/ls1021aiot/board.c
index 70070a4e75..d4976ebc80 100644
--- a/arch/arm/boards/ls1021aiot/board.c
+++ b/arch/arm/boards/ls1021aiot/board.c
@@ -20,6 +20,39 @@
#include <of_address.h>
#include <soc/fsl/immap_lsch2.h>
+#define PHY_ID_AR8031 0x004dd074
+
+/* Currently 1000FD is not working. Below is a bit of guess work
+ * from reading MMD3/MMD7 of the AR8033
+ */
+static int phy_fixup(struct phy_device *phydev)
+{
+ unsigned short val;
+ int advertise = SUPPORTED_1000baseT_Full | SUPPORTED_1000baseT_Half;
+
+ phydev->advertising &= ~advertise;
+
+ /* Ar8031 phy SmartEEE feature cause link status generates glitch,
+ * which cause ethernet link down/up issue, so disable SmartEEE
+ */
+ phy_write(phydev, 0xd, 0x3);
+ phy_write(phydev, 0xe, 0x805d);
+ phy_write(phydev, 0xd, 0x4003);
+ val = phy_read(phydev, 0xe);
+ val &= ~(0x1 << 8);
+ phy_write(phydev, 0xe, val);
+
+ /* Use XTAL */
+ phy_write(phydev, 0xd, 0x7);
+ phy_write(phydev, 0xe, 0x8016);
+ phy_write(phydev, 0xd, 0x4007);
+ val = phy_read(phydev, 0xe);
+ val &= 0xffe3;
+ phy_write(phydev, 0xe, val);
+
+ return 0;
+}
+
static int iot_mem_init(void)
{
if (!of_machine_is_compatible("fsl,ls1021a"))
@@ -42,6 +75,8 @@ static int iot_postcore_init(void)
clrbits_be32(&scfg->etsecdmamcr, SCFG_ETSECDMAMCR_LE_BD_FR);
out_be32(&scfg->etsecmcr, SCFG_ETSECCMCR_GE2_CLK125);
+ phy_register_fixup_for_uid(PHY_ID_AR8031, 0xffffffff, phy_fixup);
+
return 0;
}
coredevice_initcall(iot_postcore_init);
diff --git a/arch/arm/configs/layerscape_v7_defconfig
b/arch/arm/configs/layerscape_v7_defconfig
index 5127a52522..99570a8890 100644
--- a/arch/arm/configs/layerscape_v7_defconfig
+++ b/arch/arm/configs/layerscape_v7_defconfig
@@ -45,6 +45,10 @@ CONFIG_CMD_LET=y
CONFIG_CMD_MSLEEP=y
CONFIG_CMD_READF=y
CONFIG_CMD_SLEEP=y
+CONFIG_CMD_DHCP=y
+CONFIG_CMD_TFTP=y
+CONFIG_CMD_MIITOOL=y
+CONFIG_CMD_PING=y
CONFIG_CMD_ECHO_E=y
CONFIG_CMD_EDIT=y
CONFIG_CMD_MENU=y
@@ -67,6 +71,8 @@ CONFIG_CMD_OF_NODE=y
CONFIG_CMD_OF_PROPERTY=y
CONFIG_CMD_OFTREE=y
CONFIG_CMD_TIME=y
+CONFIG_NET=y
+CONFIG_DRIVER_NET_GIANFAR=y
CONFIG_OF_BAREBOX_DRIVERS=y
CONFIG_DRIVER_SERIAL_NS16550=y
CONFIG_DRIVER_SPI_FSL_QUADSPI=y
@@ -85,3 +91,4 @@ CONFIG_EEPROM_AT24=y
CONFIG_GPIO_PCA953X=y
CONFIG_ZLIB=y
CONFIG_LZO_DECOMPRESS=y
+CONFIG_FS_TFTP=y
diff --git a/arch/arm/dts/fsl-ls1021a-iot.dts b/arch/arm/dts/fsl-ls1021a-iot.dts
index d7e8bcc7ed..33282c8f52 100644
--- a/arch/arm/dts/fsl-ls1021a-iot.dts
+++ b/arch/arm/dts/fsl-ls1021a-iot.dts
@@ -69,6 +69,34 @@ &i2c2 {
status = "disabled";
};
+&enet0 {
+ status = "disabled";
+};
+
+&enet1 {
+ tbi-handle = <&tbi1>;
+ phy-handle = <&phy3>;
+ phy-mode = "sgmii";
+ /* Disable property as transmit fails without a DMA sync */
+ /delete-property/ dma-coherent;
+};
+
+&enet2 {
+ status = "disabled";
+};
+
+&mdio0 {
+ /* Rename the compatible name property as the mdio register offset
+ * in the gianfar driver depends on this name. Once the driver
+ * is in sync with Linux, it may be gone.
+ */
+ compatible = "fsl,etsec2-mdio";
+};
+
+&mdio1 {
+ compatible = "fsl,etsec2-mdio";
+};
+
&uart0 {
status = "okay";
clock-frequency = <150000000>;
--
2.43.0
