From 36f0e61d606edbea6db5a5f56763d2d6b7b9b5a7 Mon Sep 17 00:00:00 2001
From: Calvin Johnson <calvin.johnson@nxp.com>
Date: Tue, 16 Jan 2018 11:17:03 +0530
Subject: board: freescale: ls1012ardb: enable network support on ls1012ardb

This patch enables ethernet support for ls1012ardb.

Signed-off-by: Calvin Johnson <calvin.johnson@nxp.com>
Signed-off-by: Anjaneyulu Jagarlmudi <anji.jagarlmudi@nxp.com>

Changes in v2:
-split from original patch "board: freescale: ls1012a: enable network
support on ls1012a platforms"
-fix RGMII TX-delay issue

diff --git a/board/freescale/ls1012ardb/Makefile b/board/freescale/ls1012ardb/Makefile
index 05fa9d9..bd80ce5 100644
--- a/board/freescale/ls1012ardb/Makefile
+++ b/board/freescale/ls1012ardb/Makefile
@@ -5,3 +5,4 @@
 #
 
 obj-y += ls1012ardb.o
+obj-y += eth.o
diff --git a/board/freescale/ls1012ardb/eth.c b/board/freescale/ls1012ardb/eth.c
new file mode 100644
index 0000000..713f830
--- /dev/null
+++ b/board/freescale/ls1012ardb/eth.c
@@ -0,0 +1,68 @@
+/*
+ * Copyright 2015-2016 Freescale Semiconductor, Inc.
+ * Copyright 2017 NXP
+ *
+ * SPDX-License-Identifier:GPL-2.0+
+ */
+
+#include <common.h>
+#include <asm/io.h>
+#include <netdev.h>
+#include <fm_eth.h>
+#include <fsl_mdio.h>
+#include <malloc.h>
+#include <fsl_dtsec.h>
+#include <asm/arch/soc.h>
+#include <asm/arch-fsl-layerscape/config.h>
+#include <asm/arch-fsl-layerscape/immap_lsch2.h>
+#include <asm/arch/fsl_serdes.h>
+#include <pfe_eth/pfe_eth.h>
+#include <i2c.h>
+
+#define DEFAULT_PFE_MDIO_NAME "PFE_MDIO"
+
+void reset_phy(void)
+{
+	/* Through reset IO expander reset both RGMII and SGMII PHYs */
+	i2c_reg_write(I2C_MUX_IO2_ADDR, 6, __PHY_MASK);
+	i2c_reg_write(I2C_MUX_IO2_ADDR, 2, __PHY_ETH2_MASK);
+	mdelay(10);
+	i2c_reg_write(I2C_MUX_IO2_ADDR, 2, __PHY_ETH1_MASK);
+	mdelay(10);
+	i2c_reg_write(I2C_MUX_IO2_ADDR, 2, 0xFF);
+	mdelay(50);
+}
+
+int board_eth_init(bd_t *bis)
+{
+#ifdef CONFIG_FSL_PFE
+	struct mii_dev *bus;
+	struct mdio_info mac1_mdio_info;
+
+	reset_phy();
+
+	init_pfe_scfg_dcfg_regs();
+
+	mac1_mdio_info.reg_base = (void *)EMAC1_BASE_ADDR;
+	mac1_mdio_info.name = DEFAULT_PFE_MDIO_NAME;
+
+	bus = pfe_mdio_init(&mac1_mdio_info);
+	if (!bus) {
+		printf("Failed to register mdio\n");
+		return -1;
+	}
+
+	/* MAC1 */
+	pfe_set_mdio(0, miiphy_get_dev_by_name(DEFAULT_PFE_MDIO_NAME));
+	pfe_set_phy_address_mode(0, EMAC1_PHY_ADDR,
+				 PHY_INTERFACE_MODE_SGMII);
+
+	/* MAC2 */
+	pfe_set_mdio(1, miiphy_get_dev_by_name(DEFAULT_PFE_MDIO_NAME));
+	pfe_set_phy_address_mode(1, EMAC2_PHY_ADDR,
+				 PHY_INTERFACE_MODE_RGMII_TXID);
+
+	cpu_eth_init(bis);
+#endif
+	return pci_eth_init(bis);
+}
diff --git a/board/freescale/ls1012ardb/ls1012ardb.c b/board/freescale/ls1012ardb/ls1012ardb.c
index c9557bb..ed5a8e6 100644
--- a/board/freescale/ls1012ardb/ls1012ardb.c
+++ b/board/freescale/ls1012ardb/ls1012ardb.c
@@ -114,10 +114,6 @@ int dram_init(void)
 	return 0;
 }
 
-int board_eth_init(bd_t *bis)
-{
-	return pci_eth_init(bis);
-}
 
 int board_early_init_f(void)
 {
diff --git a/include/configs/ls1012ardb.h b/include/configs/ls1012ardb.h
index 550865b..e3b020f 100644
--- a/include/configs/ls1012ardb.h
+++ b/include/configs/ls1012ardb.h
@@ -25,6 +25,7 @@
  */
 
 #define I2C_MUX_IO_ADDR		0x24
+#define I2C_MUX_IO2_ADDR	0x25
 #define I2C_MUX_IO_0		0
 #define I2C_MUX_IO_1		1
 #define SW_BOOT_MASK		0x03
@@ -39,6 +40,9 @@
 #define SW_REV_C2		0xD8
 #define SW_REV_D		0xD0
 #define SW_REV_E		0xC8
+#define __PHY_MASK		0xF9
+#define __PHY_ETH2_MASK		0xFB
+#define __PHY_ETH1_MASK		0xFD
 
 /*  MMC  */
 #ifdef CONFIG_MMC
-- 
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