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From 63acb257c32bd86abbad5abcc002d6c78b72f0ab Mon Sep 17 00:00:00 2001
From: Anji J <anji.jagarlmudi@freescale.com>
Date: Mon, 16 May 2016 20:21:38 +0530
Subject: [PATCH 42/93] DNCPE-138 Rest external PHYs
Need to reset external PHYs through IO expander for proper function.
Signed-off-by: Anjaneyulu Jagarlmudi <anji.jagarlmudi@nxp.com>>
Signed-off-by: Prabhakar Kushwaha <prabhakar.kushwaha@nxp.com>
---
board/freescale/ls1012ardb/eth.c | 14 ++++++++++++++
include/configs/ls1012ardb.h | 9 +++++++++
2 files changed, 23 insertions(+)
diff --git a/board/freescale/ls1012ardb/eth.c b/board/freescale/ls1012ardb/eth.c
index 29830e8..24fdd83 100644
--- a/board/freescale/ls1012ardb/eth.c
+++ b/board/freescale/ls1012ardb/eth.c
@@ -20,6 +20,20 @@
#define DEFAULT_PFE_MDIO_NAME "PFE_MDIO"
+
+void reset_phy(void)
+{
+
+ /*Through reset IO expander reset both RGMII and SGMII PHYs */
+ i2c_reg_write(CONFIG_SYS_I2C_RESET_IO_EXPANDER, 6, __PHY_MASK);
+ i2c_reg_write(CONFIG_SYS_I2C_RESET_IO_EXPANDER, 2, __PHY_ETH2_MASK);
+ mdelay(10);
+ i2c_reg_write(CONFIG_SYS_I2C_RESET_IO_EXPANDER, 2, __PHY_ETH1_MASK);
+ mdelay(10);
+ i2c_reg_write(CONFIG_SYS_I2C_RESET_IO_EXPANDER, 2, 0xFF);
+ mdelay(50);
+}
+
int board_eth_init(bd_t *bis)
{
#ifdef CONFIG_FSL_PPFE
diff --git a/include/configs/ls1012ardb.h b/include/configs/ls1012ardb.h
index 1b72bf1..23722e0 100644
--- a/include/configs/ls1012ardb.h
+++ b/include/configs/ls1012ardb.h
@@ -24,6 +24,7 @@
#define EMAC2_PHY_ADDR 0x1
#define CONFIG_PHYLIB
#define CONFIG_PHY_REALTEK
+#define CONFIG_RESET_PHY_R
#endif
/*
@@ -128,6 +129,14 @@
#define __SW_REV_A 0xF8
#define __SW_REV_B 0xF0
+/*
+ *I2C RESET expander
+ */
+#define CONFIG_SYS_I2C_RESET_IO_EXPANDER 0x25
+#define __PHY_MASK 0xF9
+#define __PHY_ETH2_MASK 0xFB
+#define __PHY_ETH1_MASK 0xFD
+
#define CONFIG_CMD_MEMINFO
#define CONFIG_CMD_MEMTEST
#define CONFIG_SYS_MEMTEST_START 0x80000000
--
1.7.9.5
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