From f51d3b71d4d3eacfbbc6e2cf3fa197774df5f638 Mon Sep 17 00:00:00 2001
From: Valentin Longchamp <valentin.longchamp@keymile.com>
Date: Fri, 18 Oct 2013 11:47:21 +0200
Subject: net/fman: add a fm_enable_port function

This can be useful if one wants to disable an interface in u-boot
because u-boot should not manage it but then later reenable it for FDT
fixing or if the kernel uses this interface.

Signed-off-by: Valentin Longchamp <valentin.longchamp@keymile.com>
[York Sun: fix conflict in fm_eth.h]
Acked-by: York Sun <yorksun@freescale.com>

diff --git a/drivers/net/fm/b4860.c b/drivers/net/fm/b4860.c
index 9b3d532..373cc4f 100644
--- a/drivers/net/fm/b4860.c
+++ b/drivers/net/fm/b4860.c
@@ -37,6 +37,13 @@ void fman_disable_port(enum fm_port port)
 	setbits_be32(&gur->devdisr2, port_to_devdisr[port]);
 }
 
+void fman_enable_port(enum fm_port port)
+{
+	ccsr_gur_t *gur = (void *)(CONFIG_SYS_MPC85xx_GUTS_ADDR);
+
+	clrbits_be32(&gur->devdisr2, port_to_devdisr[port]);
+}
+
 phy_interface_t fman_port_enet_if(enum fm_port port)
 {
 	if (is_device_disabled(port))
diff --git a/drivers/net/fm/fm.h b/drivers/net/fm/fm.h
index 5f197a9..3ec49a4 100644
--- a/drivers/net/fm/fm.h
+++ b/drivers/net/fm/fm.h
@@ -99,6 +99,7 @@ int fm_init_common(int index, struct ccsr_fman *reg);
 int fm_eth_initialize(struct ccsr_fman *reg, struct fm_eth_info *info);
 phy_interface_t fman_port_enet_if(enum fm_port port);
 void fman_disable_port(enum fm_port port);
+void fman_enable_port(enum fm_port port);
 
 struct fsl_enet_mac {
 	void *base; /* MAC controller registers base address */
diff --git a/drivers/net/fm/init.c b/drivers/net/fm/init.c
index 2d13145..35edd7a 100644
--- a/drivers/net/fm/init.c
+++ b/drivers/net/fm/init.c
@@ -145,6 +145,14 @@ void fm_disable_port(enum fm_port port)
 	fman_disable_port(port);
 }
 
+void fm_enable_port(enum fm_port port)
+{
+	int i = fm_port_to_index(port);
+
+	fm_info[i].enabled = 1;
+	fman_enable_port(port);
+}
+
 void fm_info_set_mdio(enum fm_port port, struct mii_dev *bus)
 {
 	int i = fm_port_to_index(port);
diff --git a/drivers/net/fm/p1023.c b/drivers/net/fm/p1023.c
index 0eaad0f..b25d10a 100644
--- a/drivers/net/fm/p1023.c
+++ b/drivers/net/fm/p1023.c
@@ -34,6 +34,13 @@ void fman_disable_port(enum fm_port port)
 	setbits_be32(&gur->devdisr, port_to_devdisr[port]);
 }
 
+void fman_enable_port(enum fm_port port)
+{
+	ccsr_gur_t *gur = (void *)(CONFIG_SYS_MPC85xx_GUTS_ADDR);
+
+	clrbits_be32(&gur->devdisr, port_to_devdisr[port]);
+}
+
 phy_interface_t fman_port_enet_if(enum fm_port port)
 {
 	ccsr_gur_t *gur = (void *)(CONFIG_SYS_MPC85xx_GUTS_ADDR);
diff --git a/drivers/net/fm/p4080.c b/drivers/net/fm/p4080.c
index febfdd4..de71911 100644
--- a/drivers/net/fm/p4080.c
+++ b/drivers/net/fm/p4080.c
@@ -42,6 +42,13 @@ void fman_disable_port(enum fm_port port)
 	setbits_be32(&gur->devdisr2, port_to_devdisr[port]);
 }
 
+void fman_enable_port(enum fm_port port)
+{
+	ccsr_gur_t *gur = (void *)(CONFIG_SYS_MPC85xx_GUTS_ADDR);
+
+	clrbits_be32(&gur->devdisr2, port_to_devdisr[port]);
+}
+
 phy_interface_t fman_port_enet_if(enum fm_port port)
 {
 	ccsr_gur_t *gur = (void *)(CONFIG_SYS_MPC85xx_GUTS_ADDR);
diff --git a/drivers/net/fm/p5020.c b/drivers/net/fm/p5020.c
index 8d49c7b..5c158cd 100644
--- a/drivers/net/fm/p5020.c
+++ b/drivers/net/fm/p5020.c
@@ -38,6 +38,13 @@ void fman_disable_port(enum fm_port port)
 	setbits_be32(&gur->devdisr2, port_to_devdisr[port]);
 }
 
+void fman_enable_port(enum fm_port port)
+{
+	ccsr_gur_t *gur = (void *)(CONFIG_SYS_MPC85xx_GUTS_ADDR);
+
+	clrbits_be32(&gur->devdisr2, port_to_devdisr[port]);
+}
+
 phy_interface_t fman_port_enet_if(enum fm_port port)
 {
 	ccsr_gur_t *gur = (void *)(CONFIG_SYS_MPC85xx_GUTS_ADDR);
diff --git a/drivers/net/fm/p5040.c b/drivers/net/fm/p5040.c
index 546ebce..403d7d7 100644
--- a/drivers/net/fm/p5040.c
+++ b/drivers/net/fm/p5040.c
@@ -44,6 +44,13 @@ void fman_disable_port(enum fm_port port)
 	setbits_be32(&gur->devdisr2, port_to_devdisr[port]);
 }
 
+void fman_enable_port(enum fm_port port)
+{
+	ccsr_gur_t *gur = (void *)(CONFIG_SYS_MPC85xx_GUTS_ADDR);
+
+	clrbits_be32(&gur->devdisr2, port_to_devdisr[port]);
+}
+
 phy_interface_t fman_port_enet_if(enum fm_port port)
 {
 	ccsr_gur_t *gur = (void *)(CONFIG_SYS_MPC85xx_GUTS_ADDR);
diff --git a/drivers/net/fm/t4240.c b/drivers/net/fm/t4240.c
index 6253f22..1eacb22 100644
--- a/drivers/net/fm/t4240.c
+++ b/drivers/net/fm/t4240.c
@@ -49,6 +49,13 @@ void fman_disable_port(enum fm_port port)
 	setbits_be32(&gur->devdisr2, port_to_devdisr[port]);
 }
 
+void fman_enable_port(enum fm_port port)
+{
+	ccsr_gur_t *gur = (void __iomem *)(CONFIG_SYS_MPC85xx_GUTS_ADDR);
+
+	clrbits_be32(&gur->devdisr2, port_to_devdisr[port]);
+}
+
 phy_interface_t fman_port_enet_if(enum fm_port port)
 {
 	ccsr_gur_t *gur = (void __iomem *)(CONFIG_SYS_MPC85xx_GUTS_ADDR);
diff --git a/include/fm_eth.h b/include/fm_eth.h
index 114bb8c..5a4fb70 100644
--- a/include/fm_eth.h
+++ b/include/fm_eth.h
@@ -149,6 +149,7 @@ void fm_info_set_phy_address(enum fm_port port, int address);
 int fm_info_get_phy_address(enum fm_port port);
 void fm_info_set_mdio(enum fm_port port, struct mii_dev *bus);
 void fm_disable_port(enum fm_port port);
+void fm_enable_port(enum fm_port port);
 void set_sgmii_phy(struct mii_dev *bus, enum fm_port base_port,
 		unsigned int port_num, int phy_base_addr);
 int is_qsgmii_riser_card(struct mii_dev *bus, int phy_base_addr,
-- 
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