From: Shengzhou Liu <Shengzhou.Liu@freescale.com>
Date: Wed, 22 Apr 2015 02:59:50 +0000 (+0800)
Subject: board/t2080rdb: reset cs4315 phy
X-Git-Url: http://git.dujemihanovic.xyz/?a=commitdiff_plain;h=fd3a78a538b2591a420f173faea442ae969ff623;p=u-boot.git

board/t2080rdb: reset cs4315 phy

CS4315 PHY doesn't support phy-reset by software, it
needs to reset it by hardware via CPLD control.

Signed-off-by: Shengzhou Liu <Shengzhou.Liu@freescale.com>
Reviewed-by: York Sun <yorksun@freescale.com>
---

diff --git a/board/freescale/t208xrdb/cpld.h b/board/freescale/t208xrdb/cpld.h
index 3f1533888d..9bd5247563 100644
--- a/board/freescale/t208xrdb/cpld.h
+++ b/board/freescale/t208xrdb/cpld.h
@@ -40,3 +40,6 @@ void cpld_write(unsigned int reg, u8 value);
 #define CPLD_LBMAP_RESET	0xFF
 #define CPLD_LBMAP_SHIFT	0x03
 #define CPLD_BOOT_SEL		0x80
+
+/* RSTCON Register */
+#define CPLD_RSTCON_EDC_RST	0x04
diff --git a/board/freescale/t208xrdb/t208xrdb.c b/board/freescale/t208xrdb/t208xrdb.c
index ad393dfc5c..0c2c1c565b 100644
--- a/board/freescale/t208xrdb/t208xrdb.c
+++ b/board/freescale/t208xrdb/t208xrdb.c
@@ -107,6 +107,13 @@ unsigned long get_board_ddr_clk(void)
 
 int misc_init_r(void)
 {
+	u8 reg;
+
+	/* Reset CS4315 PHY */
+	reg = CPLD_READ(reset_ctl);
+	reg |= CPLD_RSTCON_EDC_RST;
+	CPLD_WRITE(reset_ctl, reg);
+
 	return 0;
 }