From 7ab16479e18274ac325fc2a1e2d1c41ee107b59d Mon Sep 17 00:00:00 2001
From: Calvin Johnson <calvin.johnson@nxp.com>
Date: Thu, 8 Mar 2018 15:30:30 +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>
Acked-by: Joe Hershberger <joe.hershberger@ni.com>
---
 board/freescale/ls1012ardb/eth.c | 106 +++++++++++++++++++++++++++++++++++++++
 1 file changed, 106 insertions(+)
 create mode 100644 board/freescale/ls1012ardb/eth.c

(limited to 'board/freescale/ls1012ardb/eth.c')

diff --git a/board/freescale/ls1012ardb/eth.c b/board/freescale/ls1012ardb/eth.c
new file mode 100644
index 0000000000..e6379a3d0d
--- /dev/null
+++ b/board/freescale/ls1012ardb/eth.c
@@ -0,0 +1,106 @@
+/*
+ * Copyright 2015-2016 Freescale Semiconductor, Inc.
+ * Copyright 2017 NXP
+ *
+ * SPDX-License-Identifier:GPL-2.0+
+ */
+
+#include <common.h>
+#include <dm.h>
+#include <asm/io.h>
+#include <netdev.h>
+#include <fm_eth.h>
+#include <fsl_mdio.h>
+#include <malloc.h>
+#include <asm/types.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 <net/pfe_eth/pfe_eth.h>
+#include <dm/platform_data/pfe_dm_eth.h>
+#include <i2c.h>
+
+#define DEFAULT_PFE_MDIO_NAME "PFE_MDIO"
+
+static inline void ls1012ardb_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 pfe_eth_board_init(struct udevice *dev)
+{
+	static int init_done;
+	struct mii_dev *bus;
+	struct pfe_mdio_info mac_mdio_info;
+	struct pfe_eth_dev *priv = dev_get_priv(dev);
+
+	if (!init_done) {
+		ls1012ardb_reset_phy();
+		mac_mdio_info.reg_base = (void *)EMAC1_BASE_ADDR;
+		mac_mdio_info.name = DEFAULT_PFE_MDIO_NAME;
+
+		bus = pfe_mdio_init(&mac_mdio_info);
+		if (!bus) {
+			printf("Failed to register mdio\n");
+			return -1;
+		}
+		init_done = 1;
+	}
+
+	pfe_set_mdio(priv->gemac_port,
+		     miiphy_get_dev_by_name(DEFAULT_PFE_MDIO_NAME));
+
+	if (!priv->gemac_port) {
+		/* MAC1 */
+		pfe_set_phy_address_mode(priv->gemac_port, EMAC1_PHY_ADDR,
+					 PHY_INTERFACE_MODE_SGMII);
+	} else {
+		/* MAC2 */
+		pfe_set_phy_address_mode(priv->gemac_port, EMAC2_PHY_ADDR,
+					 PHY_INTERFACE_MODE_RGMII_TXID);
+	}
+	return 0;
+}
+
+static struct pfe_eth_pdata pfe_pdata0 = {
+	.pfe_eth_pdata_mac = {
+		.iobase = (phys_addr_t)EMAC1_BASE_ADDR,
+		.phy_interface = 0,
+	},
+
+	.pfe_ddr_addr = {
+		.ddr_pfe_baseaddr = (void *)CONFIG_DDR_PFE_BASEADDR,
+		.ddr_pfe_phys_baseaddr = CONFIG_DDR_PFE_PHYS_BASEADDR,
+	},
+};
+
+static struct pfe_eth_pdata pfe_pdata1 = {
+	.pfe_eth_pdata_mac = {
+		.iobase = (phys_addr_t)EMAC2_BASE_ADDR,
+		.phy_interface = 1,
+	},
+
+	.pfe_ddr_addr = {
+		.ddr_pfe_baseaddr = (void *)CONFIG_DDR_PFE_BASEADDR,
+		.ddr_pfe_phys_baseaddr = CONFIG_DDR_PFE_PHYS_BASEADDR,
+	},
+};
+
+U_BOOT_DEVICE(ls1012a_pfe0) = {
+	.name = "pfe_eth",
+	.platdata = &pfe_pdata0,
+};
+
+U_BOOT_DEVICE(ls1012a_pfe1) = {
+	.name = "pfe_eth",
+	.platdata = &pfe_pdata1,
+};
-- 
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