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brcm63xx: backport mdio-bus reset gpio support

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Backport the mdio-bus reset gpio support from 4.12 and use it instead
of toggling the reset ourself.

Signed-off-by: Jonas Gorski <jonas.gorski@gmail.com>
This commit is contained in:
Jonas Gorski 2017-12-06 14:12:06 +01:00
parent 49c3b1c455
commit 054c0d4e31
13 changed files with 416 additions and 96 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

192
target/linux/brcm63xx/patches-4.4/001-4.12-07-mdio_bus-Issue-GPIO-RESET-to-PHYs.patch Normal file
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@ -0,0 +1,192 @@
From 69226896ad636b94f6d2e55d75ff21a29c4de83b Mon Sep 17 00:00:00 2001
From: Roger Quadros <rogerq@ti.com>
Date: Fri, 21 Apr 2017 16:15:38 +0300
Subject: [PATCH] mdio_bus: Issue GPIO RESET to PHYs.
Some boards [1] leave the PHYs at an invalid state
during system power-up or reset thus causing unreliability
issues with the PHY which manifests as PHY not being detected
or link not functional. To fix this, these PHYs need to be RESET
via a GPIO connected to the PHY's RESET pin.
Some boards have a single GPIO controlling the PHY RESET pin of all
PHYs on the bus whereas some others have separate GPIOs controlling
individual PHY RESETs.
In both cases, the RESET de-assertion cannot be done in the PHY driver
as the PHY will not probe till its reset is de-asserted.
So do the RESET de-assertion in the MDIO bus driver.
[1] - am572x-idk, am571x-idk, a437x-idk
Signed-off-by: Roger Quadros <rogerq@ti.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
Documentation/devicetree/bindings/net/mdio.txt | 33 ++++++++++++++++++
drivers/net/phy/mdio_bus.c | 47 ++++++++++++++++++++++++++
drivers/of/of_mdio.c | 7 ++++
include/linux/phy.h | 7 ++++
4 files changed, 94 insertions(+)
create mode 100644 Documentation/devicetree/bindings/net/mdio.txt
--- /dev/null
+++ b/Documentation/devicetree/bindings/net/mdio.txt
@@ -0,0 +1,33 @@
+Common MDIO bus properties.
+
+These are generic properties that can apply to any MDIO bus.
+
+Optional properties:
+- reset-gpios: List of one or more GPIOs that control the RESET lines
+ of the PHYs on that MDIO bus.
+- reset-delay-us: RESET pulse width in microseconds as per PHY datasheet.
+
+A list of child nodes, one per device on the bus is expected. These
+should follow the generic phy.txt, or a device specific binding document.
+
+Example :
+This example shows these optional properties, plus other properties
+required for the TI Davinci MDIO driver.
+
+ davinci_mdio: ethernet@0x5c030000 {
+ compatible = "ti,davinci_mdio";
+ reg = <0x5c030000 0x1000>;
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ reset-gpios = <&gpio2 5 GPIO_ACTIVE_LOW>;
+ reset-delay-us = <2>; /* PHY datasheet states 1us min */
+
+ ethphy0: ethernet-phy@1 {
+ reg = <1>;
+ };
+
+ ethphy1: ethernet-phy@3 {
+ reg = <3>;
+ };
+ };
--- a/drivers/net/phy/mdio_bus.c
+++ b/drivers/net/phy/mdio_bus.c
@@ -22,8 +22,11 @@
#include <linux/init.h>
#include <linux/delay.h>
#include <linux/device.h>
+#include <linux/gpio.h>
+#include <linux/gpio/consumer.h>
#include <linux/of_device.h>
#include <linux/of_mdio.h>
+#include <linux/of_gpio.h>
#include <linux/netdevice.h>
#include <linux/etherdevice.h>
#include <linux/skbuff.h>
@@ -252,6 +255,7 @@ static inline void of_mdiobus_link_phyde
int __mdiobus_register(struct mii_bus *bus, struct module *owner)
{
int i, err;
+ struct gpio_desc *gpiod;
if (NULL == bus || NULL == bus->name ||
NULL == bus->read || NULL == bus->write)
@@ -278,6 +282,35 @@ int __mdiobus_register(struct mii_bus *b
if (bus->reset)
bus->reset(bus);
+ /* de-assert bus level PHY GPIO resets */
+ if (bus->num_reset_gpios > 0) {
+ bus->reset_gpiod = devm_kcalloc(&bus->dev,
+ bus->num_reset_gpios,
+ sizeof(struct gpio_desc *),
+ GFP_KERNEL);
+ if (!bus->reset_gpiod)
+ return -ENOMEM;
+ }
+
+ for (i = 0; i < bus->num_reset_gpios; i++) {
+ gpiod = devm_gpiod_get_index(&bus->dev, "reset", i,
+ GPIOD_OUT_LOW);
+ if (IS_ERR(gpiod)) {
+ err = PTR_ERR(gpiod);
+ if (err != -ENOENT) {
+ dev_err(&bus->dev,
+ "mii_bus %s couldn't get reset GPIO\n",
+ bus->id);
+ return err;
+ }
+ } else {
+ bus->reset_gpiod[i] = gpiod;
+ gpiod_set_value_cansleep(gpiod, 1);
+ udelay(bus->reset_delay_us);
+ gpiod_set_value_cansleep(gpiod, 0);
+ }
+ }
+
for (i = 0; i < PHY_MAX_ADDR; i++) {
if ((bus->phy_mask & (1 << i)) == 0) {
struct phy_device *phydev;
@@ -302,6 +335,13 @@ error:
phy_device_free(phydev);
}
}
+
+ /* Put PHYs in RESET to save power */
+ for (i = 0; i < bus->num_reset_gpios; i++) {
+ if (bus->reset_gpiod[i])
+ gpiod_set_value_cansleep(bus->reset_gpiod[i], 1);
+ }
+
device_del(&bus->dev);
return err;
}
@@ -321,6 +361,13 @@ void mdiobus_unregister(struct mii_bus *
phy_device_free(phydev);
}
}
+
+ /* Put PHYs in RESET to save power */
+ for (i = 0; i < bus->num_reset_gpios; i++) {
+ if (bus->reset_gpiod[i])
+ gpiod_set_value_cansleep(bus->reset_gpiod[i], 1);
+ }
+
device_del(&bus->dev);
}
EXPORT_SYMBOL(mdiobus_unregister);
--- a/drivers/of/of_mdio.c
+++ b/drivers/of/of_mdio.c
@@ -21,6 +21,8 @@
#include <linux/of_mdio.h>
#include <linux/module.h>
+#define DEFAULT_GPIO_RESET_DELAY 10 /* in microseconds */
+
MODULE_AUTHOR("Grant Likely <grant.likely@secretlab.ca>");
MODULE_LICENSE("GPL");
@@ -140,6 +142,11 @@ int of_mdiobus_register(struct mii_bus *
mdio->dev.of_node = np;
+ /* Get bus level PHY reset GPIO details */
+ mdio->reset_delay_us = DEFAULT_GPIO_RESET_DELAY;
+ of_property_read_u32(np, "reset-delay-us", &mdio->reset_delay_us);
+ mdio->num_reset_gpios = of_gpio_named_count(np, "reset-gpios");
+
/* Register the MDIO bus */
rc = mdiobus_register(mdio);
if (rc)
--- a/include/linux/phy.h
+++ b/include/linux/phy.h
@@ -191,6 +191,13 @@ struct mii_bus {
* interrupt at the index matching its address
*/
int *irq;
+
+ /* GPIO reset pulse width in microseconds */
+ int reset_delay_us;
+ /* Number of reset GPIOs */
+ int num_reset_gpios;
+ /* Array of RESET GPIO descriptors */
+ struct gpio_desc **reset_gpiod;
};
#define to_mii_bus(d) container_of(d, struct mii_bus, dev)

43
target/linux/brcm63xx/patches-4.4/001-4.12-08-net-phy-Call-bus-reset-after-releasing-PHYs-from-res.patch Normal file
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@ -0,0 +1,43 @@
From df0c8d911abf6ba97b2c2fc3c5a12769e0b081a3 Mon Sep 17 00:00:00 2001
From: Florian Fainelli <f.fainelli@gmail.com>
Date: Thu, 11 May 2017 11:24:16 -0700
Subject: [PATCH] net: phy: Call bus->reset() after releasing PHYs from reset
The API convention makes it that a given MDIO bus reset should be able
to access PHY devices in its reset() callback and perform additional
MDIO accesses in order to bring the bus and PHYs in a working state.
Commit 69226896ad63 ("mdio_bus: Issue GPIO RESET to PHYs.") broke that
contract by first calling bus->reset() and then release all PHYs from
reset using their shared GPIO line, so restore the expected
functionality here.
Fixes: 69226896ad63 ("mdio_bus: Issue GPIO RESET to PHYs.")
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
drivers/net/phy/mdio_bus.c | 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)
--- a/drivers/net/phy/mdio_bus.c
+++ b/drivers/net/phy/mdio_bus.c
@@ -279,9 +279,6 @@ int __mdiobus_register(struct mii_bus *b
mutex_init(&bus->mdio_lock);
- if (bus->reset)
- bus->reset(bus);
-
/* de-assert bus level PHY GPIO resets */
if (bus->num_reset_gpios > 0) {
bus->reset_gpiod = devm_kcalloc(&bus->dev,
@@ -311,6 +308,9 @@ int __mdiobus_register(struct mii_bus *b
}
}
+ if (bus->reset)
+ bus->reset(bus);
+
for (i = 0; i < PHY_MAX_ADDR; i++) {
if ((bus->phy_mask & (1 << i)) == 0) {
struct phy_device *phydev;

120
target/linux/brcm63xx/patches-4.4/001-4.13-02-mdio_bus-handle-only-single-PHY-reset-GPIO.patch Normal file
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@ -0,0 +1,120 @@
From d396e84c56047b303cac378dde4b2e5cc430b336 Mon Sep 17 00:00:00 2001
From: Sergei Shtylyov <sergei.shtylyov@cogentembedded.com>
Date: Mon, 12 Jun 2017 23:55:38 +0300
Subject: [PATCH] mdio_bus: handle only single PHY reset GPIO
Commit 4c5e7a2c0501 ("dt-bindings: mdio: Clarify binding document")
declared that a MDIO reset GPIO property should have only a single GPIO
reference/specifier, however the supporting code was left intact, still
burdening the kernel with now apparently useless loops -- get rid of them.
Signed-off-by: Sergei Shtylyov <sergei.shtylyov@cogentembedded.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
drivers/net/phy/mdio_bus.c | 53 +++++++++++++++++-----------------------------
drivers/of/of_mdio.c | 1 -
include/linux/phy.h | 6 ++----
3 files changed, 21 insertions(+), 39 deletions(-)
--- a/drivers/net/phy/mdio_bus.c
+++ b/drivers/net/phy/mdio_bus.c
@@ -279,33 +279,22 @@ int __mdiobus_register(struct mii_bus *b
mutex_init(&bus->mdio_lock);
- /* de-assert bus level PHY GPIO resets */
- if (bus->num_reset_gpios > 0) {
- bus->reset_gpiod = devm_kcalloc(&bus->dev,
- bus->num_reset_gpios,
- sizeof(struct gpio_desc *),
- GFP_KERNEL);
- if (!bus->reset_gpiod)
- return -ENOMEM;
- }
-
- for (i = 0; i < bus->num_reset_gpios; i++) {
- gpiod = devm_gpiod_get_index(&bus->dev, "reset", i,
- GPIOD_OUT_LOW);
- if (IS_ERR(gpiod)) {
- err = PTR_ERR(gpiod);
- if (err != -ENOENT) {
- dev_err(&bus->dev,
- "mii_bus %s couldn't get reset GPIO\n",
- bus->id);
- return err;
- }
- } else {
- bus->reset_gpiod[i] = gpiod;
- gpiod_set_value_cansleep(gpiod, 1);
- udelay(bus->reset_delay_us);
- gpiod_set_value_cansleep(gpiod, 0);
+ /* de-assert bus level PHY GPIO reset */
+ gpiod = devm_gpiod_get(&bus->dev, "reset", GPIOD_OUT_LOW);
+ if (IS_ERR(gpiod)) {
+ err = PTR_ERR(gpiod);
+ if (err != -ENOENT) {
+ dev_err(&bus->dev,
+ "mii_bus %s couldn't get reset GPIO\n",
+ bus->id);
+ return err;
}
+ } else {
+ bus->reset_gpiod = gpiod;
+
+ gpiod_set_value_cansleep(gpiod, 1);
+ udelay(bus->reset_delay_us);
+ gpiod_set_value_cansleep(gpiod, 0);
}
if (bus->reset)
@@ -337,10 +326,8 @@ error:
}
/* Put PHYs in RESET to save power */
- for (i = 0; i < bus->num_reset_gpios; i++) {
- if (bus->reset_gpiod[i])
- gpiod_set_value_cansleep(bus->reset_gpiod[i], 1);
- }
+ if (bus->reset_gpiod)
+ gpiod_set_value_cansleep(bus->reset_gpiod, 1);
device_del(&bus->dev);
return err;
@@ -363,10 +350,8 @@ void mdiobus_unregister(struct mii_bus *
}
/* Put PHYs in RESET to save power */
- for (i = 0; i < bus->num_reset_gpios; i++) {
- if (bus->reset_gpiod[i])
- gpiod_set_value_cansleep(bus->reset_gpiod[i], 1);
- }
+ if (bus->reset_gpiod)
+ gpiod_set_value_cansleep(bus->reset_gpiod, 1);
device_del(&bus->dev);
}
--- a/drivers/of/of_mdio.c
+++ b/drivers/of/of_mdio.c
@@ -145,7 +145,6 @@ int of_mdiobus_register(struct mii_bus *
/* Get bus level PHY reset GPIO details */
mdio->reset_delay_us = DEFAULT_GPIO_RESET_DELAY;
of_property_read_u32(np, "reset-delay-us", &mdio->reset_delay_us);
- mdio->num_reset_gpios = of_gpio_named_count(np, "reset-gpios");
/* Register the MDIO bus */
rc = mdiobus_register(mdio);
--- a/include/linux/phy.h
+++ b/include/linux/phy.h
@@ -194,10 +194,8 @@ struct mii_bus {
/* GPIO reset pulse width in microseconds */
int reset_delay_us;
- /* Number of reset GPIOs */
- int num_reset_gpios;
- /* Array of RESET GPIO descriptors */
- struct gpio_desc **reset_gpiod;
+ /* RESET GPIO descriptor pointer */
+ struct gpio_desc *reset_gpiod;
};
#define to_mii_bus(d) container_of(d, struct mii_bus, dev)

39
target/linux/brcm63xx/patches-4.4/001-4.13-03-mdio_bus-use-devm_gpiod_get_optional.patch Normal file
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@ -0,0 +1,39 @@
From fe0e4052fb11d5c713961ab7e136520be40052a3 Mon Sep 17 00:00:00 2001
From: Sergei Shtylyov <sergei.shtylyov@cogentembedded.com>
Date: Mon, 12 Jun 2017 23:55:39 +0300
Subject: [PATCH] mdio_bus: use devm_gpiod_get_optional()
The MDIO reset GPIO is really a classical optional GPIO property case,
so devm_gpiod_get_optional() should have been used, not devm_gpiod_get().
Doing this saves several LoCs...
Signed-off-by: Sergei Shtylyov <sergei.shtylyov@cogentembedded.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
drivers/net/phy/mdio_bus.c | 14 +++++---------
1 file changed, 5 insertions(+), 9 deletions(-)
--- a/drivers/net/phy/mdio_bus.c
+++ b/drivers/net/phy/mdio_bus.c
@@ -280,16 +280,12 @@ int __mdiobus_register(struct mii_bus *b
mutex_init(&bus->mdio_lock);
/* de-assert bus level PHY GPIO reset */
- gpiod = devm_gpiod_get(&bus->dev, "reset", GPIOD_OUT_LOW);
+ gpiod = devm_gpiod_get_optional(&bus->dev, "reset", GPIOD_OUT_LOW);
if (IS_ERR(gpiod)) {
- err = PTR_ERR(gpiod);
- if (err != -ENOENT) {
- dev_err(&bus->dev,
- "mii_bus %s couldn't get reset GPIO\n",
- bus->id);
- return err;
- }
- } else {
+ dev_err(&bus->dev, "mii_bus %s couldn't get reset GPIO\n",
+ bus->id);
+ return PTR_ERR(gpiod);
+ } else if (gpiod) {
bus->reset_gpiod = gpiod;
gpiod_set_value_cansleep(gpiod, 1);

46
target/linux/brcm63xx/patches-4.4/376-net-bcm63xx_enet-use-named-gpio-for-ephy-reset-gpio.patch
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@ -1,46 +0,0 @@
From ec905f2ea78ec40602a685ede31c5e4f9893d196 Mon Sep 17 00:00:00 2001
From: Jonas Gorski <jogo@openwrt.org>
Date: Sat, 21 Feb 2015 16:35:07 +0100
Subject: [PATCH 3/6] net: bcm63xx_enet: use named gpio for ephy reset gpio
Allow using a named optional gpio for ephy reset gpio registration.
---
drivers/net/ethernet/broadcom/bcm63xx_enet.c | 9 +++++++++
1 file changed, 9 insertions(+)
--- a/drivers/net/ethernet/broadcom/bcm63xx_enet.c
+++ b/drivers/net/ethernet/broadcom/bcm63xx_enet.c
@@ -30,6 +30,7 @@
#include <linux/dma-mapping.h>
#include <linux/platform_device.h>
#include <linux/if_vlan.h>
+#include <linux/gpio/consumer.h>
#include <bcm63xx_dev_enet.h>
#include "bcm63xx_enet.h"
@@ -2829,10 +2830,15 @@ static int bcm_enet_shared_probe(struct
{
struct resource *res;
void __iomem *p[3];
+ struct gpio_desc *ephy_reset;
unsigned int i;
memset(bcm_enet_shared_base, 0, sizeof(bcm_enet_shared_base));
+ ephy_reset = devm_gpiod_get_optional(&pdev->dev, "ephy-reset", GPIOD_ASIS);
+ if (IS_ERR(ephy_reset))
+ return PTR_ERR(ephy_reset);
+
for (i = 0; i < 3; i++) {
res = platform_get_resource(pdev, IORESOURCE_MEM, i);
p[i] = devm_ioremap_resource(&pdev->dev, res);
@@ -2842,6 +2848,9 @@ static int bcm_enet_shared_probe(struct
memcpy(bcm_enet_shared_base, p, sizeof(bcm_enet_shared_base));
+ if (ephy_reset)
+ gpiod_direction_output(ephy_reset, 0);
+
return 0;
}

2
target/linux/brcm63xx/patches-4.4/377-MIPS-BCM63XX-register-lookup-for-ephy-reset-gpio.patch
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@ -72,7 +72,7 @@ Signed-off-by: Jonas Gorski <jogo@openwrt.org>
}
+
+static struct gpiod_lookup_table ephy_reset = {
+ .dev_id = "bcm63xx_enet_shared.0",
+ .dev_id = "bcm63xx_enet-0",
+ .table = {
+ { /* filled at runtime */ },
+ { },

28
target/linux/brcm63xx/patches-4.4/381-net-bcm63xx_enet-fully-reset-ephy.patch
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@ -1,28 +0,0 @@
From: Jonas Gorski <jonas.gorski@gmail.com>
Subject: [PATCH] net: bcm63xx_enet: fully reset ephy
Signed-off-by: Jonas Gorski <jonas.gorski@gmail.com>
---
drivers/net/ethernet/broadcom/bcm63xx_enet.c | 4 ++--
1 file changed, 2 insertions(+), , 1 deletions(-)
--- a/drivers/net/ethernet/broadcom/bcm63xx_enet.c
+++ b/drivers/net/ethernet/broadcom/bcm63xx_enet.c
@@ -2835,7 +2835,7 @@ static int bcm_enet_shared_probe(struct
memset(bcm_enet_shared_base, 0, sizeof(bcm_enet_shared_base));
- ephy_reset = devm_gpiod_get_optional(&pdev->dev, "ephy-reset", GPIOD_ASIS);
+ ephy_reset = devm_gpiod_get_optional(&pdev->dev, "ephy-reset", GPIOD_OUT_HIGH);
if (IS_ERR(ephy_reset))
return PTR_ERR(ephy_reset);
@@ -2849,7 +2849,7 @@ static int bcm_enet_shared_probe(struct
memcpy(bcm_enet_shared_base, p, sizeof(bcm_enet_shared_base));
if (ephy_reset)
- gpiod_direction_output(ephy_reset, 0);
+ gpiod_set_value(ephy_reset, 0);
return 0;
}

2
target/linux/brcm63xx/patches-4.4/402_bcm63xx_enet_vlan_incoming_fixed.patch
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@ -1,6 +1,6 @@
--- a/drivers/net/ethernet/broadcom/bcm63xx_enet.c
+++ b/drivers/net/ethernet/broadcom/bcm63xx_enet.c
@@ -1633,7 +1633,7 @@ static int compute_hw_mtu(struct bcm_ene
@@ -1632,7 +1632,7 @@ static int compute_hw_mtu(struct bcm_ene
actual_mtu = mtu;
/* add ethernet header + vlan tag size */

18
target/linux/brcm63xx/patches-4.4/404-NET-bcm63xx_enet-move-phy_-dis-connect-into-probe-re.patch
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@ -15,7 +15,7 @@ Signed-off-by: Jonas Gorski <jonas.gorski@gmail.com>
--- a/drivers/net/ethernet/broadcom/bcm63xx_enet.c
+++ b/drivers/net/ethernet/broadcom/bcm63xx_enet.c
@@ -871,10 +871,8 @@ static int bcm_enet_open(struct net_devi
@@ -870,10 +870,8 @@ static int bcm_enet_open(struct net_devi
struct bcm_enet_priv *priv;
struct sockaddr addr;
struct device *kdev;
@ -26,7 +26,7 @@ Signed-off-by: Jonas Gorski <jonas.gorski@gmail.com>
void *p;
u32 val;
@@ -882,40 +880,10 @@ static int bcm_enet_open(struct net_devi
@@ -881,40 +879,10 @@ static int bcm_enet_open(struct net_devi
kdev = &priv->pdev->dev;
if (priv->has_phy) {
@ -68,7 +68,7 @@ Signed-off-by: Jonas Gorski <jonas.gorski@gmail.com>
}
/* mask all interrupts and request them */
@@ -925,7 +893,7 @@ static int bcm_enet_open(struct net_devi
@@ -924,7 +892,7 @@ static int bcm_enet_open(struct net_devi
ret = request_irq(dev->irq, bcm_enet_isr_mac, 0, dev->name, dev);
if (ret)
@ -77,7 +77,7 @@ Signed-off-by: Jonas Gorski <jonas.gorski@gmail.com>
ret = request_irq(priv->irq_rx, bcm_enet_isr_dma, 0,
dev->name, dev);
@@ -1129,9 +1097,6 @@ out_freeirq_rx:
@@ -1128,9 +1096,6 @@ out_freeirq_rx:
out_freeirq:
free_irq(dev->irq, dev);
@ -87,7 +87,7 @@ Signed-off-by: Jonas Gorski <jonas.gorski@gmail.com>
return ret;
}
@@ -1236,12 +1201,6 @@ static int bcm_enet_stop(struct net_devi
@@ -1235,12 +1200,6 @@ static int bcm_enet_stop(struct net_devi
free_irq(priv->irq_rx, dev);
free_irq(dev->irq, dev);
@ -100,7 +100,7 @@ Signed-off-by: Jonas Gorski <jonas.gorski@gmail.com>
return 0;
}
@@ -1833,6 +1792,8 @@ static int bcm_enet_probe(struct platfor
@@ -1832,6 +1791,8 @@ static int bcm_enet_probe(struct platfor
/* MII bus registration */
if (priv->has_phy) {
@ -109,7 +109,7 @@ Signed-off-by: Jonas Gorski <jonas.gorski@gmail.com>
priv->mii_bus = mdiobus_alloc();
if (!priv->mii_bus) {
@@ -1870,6 +1831,38 @@ static int bcm_enet_probe(struct platfor
@@ -1869,6 +1830,38 @@ static int bcm_enet_probe(struct platfor
dev_err(&pdev->dev, "unable to register mdio bus\n");
goto out_free_mdio;
}
@ -148,7 +148,7 @@ Signed-off-by: Jonas Gorski <jonas.gorski@gmail.com>
} else {
/* run platform code to initialize PHY device */
@@ -1915,6 +1908,9 @@ static int bcm_enet_probe(struct platfor
@@ -1914,6 +1907,9 @@ static int bcm_enet_probe(struct platfor
return 0;
out_unregister_mdio:
@ -158,7 +158,7 @@ Signed-off-by: Jonas Gorski <jonas.gorski@gmail.com>
if (priv->mii_bus)
mdiobus_unregister(priv->mii_bus);
@@ -1952,6 +1948,8 @@ static int bcm_enet_remove(struct platfo
@@ -1951,6 +1947,8 @@ static int bcm_enet_remove(struct platfo
enet_writel(priv, 0, ENET_MIISC_REG);
if (priv->has_phy) {

2
target/linux/brcm63xx/patches-4.4/408-bcm63xx_enet-enable-rgmii-clock-on-external-ports.patch
View File

@ -32,7 +32,7 @@ Subject: [PATCH 54/81] bcm63xx_enet: enable rgmii clock on external ports
#define ENETSW_MDIOC_EXT_MASK (1 << 16)
--- a/drivers/net/ethernet/broadcom/bcm63xx_enet.c
+++ b/drivers/net/ethernet/broadcom/bcm63xx_enet.c
@@ -2224,6 +2224,18 @@ static int bcm_enetsw_open(struct net_de
@@ -2223,6 +2223,18 @@ static int bcm_enetsw_open(struct net_de
priv->sw_port_link[i] = 0;
}

16
target/linux/brcm63xx/patches-4.4/423-bcm63xx_enet_add_b53_support.patch
View File

@ -12,15 +12,15 @@
spinlock_t enetsw_mdio_lock;
--- a/drivers/net/ethernet/broadcom/bcm63xx_enet.c
+++ b/drivers/net/ethernet/broadcom/bcm63xx_enet.c
@@ -31,6 +31,7 @@
@@ -30,6 +30,7 @@
#include <linux/dma-mapping.h>
#include <linux/platform_device.h>
#include <linux/if_vlan.h>
#include <linux/gpio/consumer.h>
+#include <linux/platform_data/b53.h>
#include <bcm63xx_dev_enet.h>
#include "bcm63xx_enet.h"
@@ -1969,7 +1970,8 @@ static int bcm_enet_remove(struct platfo
@@ -1968,7 +1969,8 @@ static int bcm_enet_remove(struct platfo
return 0;
}
@ -30,7 +30,7 @@
.probe = bcm_enet_probe,
.remove = bcm_enet_remove,
.driver = {
@@ -1978,6 +1980,42 @@ struct platform_driver bcm63xx_enet_driv
@@ -1977,6 +1979,42 @@ struct platform_driver bcm63xx_enet_driv
},
};
@ -73,7 +73,7 @@
/*
* switch mii access callbacks
*/
@@ -2236,29 +2274,6 @@ static int bcm_enetsw_open(struct net_de
@@ -2235,29 +2273,6 @@ static int bcm_enetsw_open(struct net_de
enetsw_writeb(priv, rgmii_ctrl, ENETSW_RGMII_CTRL_REG(i));
}
@ -103,7 +103,7 @@
/* initialize flow control buffer allocation */
enet_dma_writel(priv, ENETDMA_BUFALLOC_FORCE_MASK | 0,
ENETDMA_BUFALLOC_REG(priv->rx_chan));
@@ -2717,6 +2732,9 @@ static int bcm_enetsw_probe(struct platf
@@ -2716,6 +2731,9 @@ static int bcm_enetsw_probe(struct platf
struct bcm63xx_enetsw_platform_data *pd;
struct resource *res_mem;
int ret, irq_rx, irq_tx;
@ -113,7 +113,7 @@
if (!bcm_enet_shared_base[0])
return -EPROBE_DEFER;
@@ -2799,6 +2817,43 @@ static int bcm_enetsw_probe(struct platf
@@ -2798,6 +2816,43 @@ static int bcm_enetsw_probe(struct platf
priv->pdev = pdev;
priv->net_dev = dev;
@ -157,7 +157,7 @@
return 0;
out_disable_clk:
@@ -2820,6 +2875,9 @@ static int bcm_enetsw_remove(struct plat
@@ -2819,6 +2874,9 @@ static int bcm_enetsw_remove(struct plat
priv = netdev_priv(dev);
unregister_netdev(dev);

2
target/linux/brcm63xx/patches-4.4/424-bcm63xx_enet_no_request_mem_region.patch
View File

@ -1,6 +1,6 @@
--- a/drivers/net/ethernet/broadcom/bcm63xx_enet.c
+++ b/drivers/net/ethernet/broadcom/bcm63xx_enet.c
@@ -2776,9 +2776,9 @@ static int bcm_enetsw_probe(struct platf
@@ -2775,9 +2775,9 @@ static int bcm_enetsw_probe(struct platf
if (ret)
goto out;

2
target/linux/brcm63xx/patches-4.4/804-bcm63xx_enet_63268_rgmii_ports.patch
View File

@ -1,6 +1,6 @@
--- a/drivers/net/ethernet/broadcom/bcm63xx_enet.c
+++ b/drivers/net/ethernet/broadcom/bcm63xx_enet.c
@@ -2271,6 +2271,10 @@ static int bcm_enetsw_open(struct net_de
@@ -2270,6 +2270,10 @@ static int bcm_enetsw_open(struct net_de
rgmii_ctrl = enetsw_readb(priv, ENETSW_RGMII_CTRL_REG(i));
rgmii_ctrl |= ENETSW_RGMII_CTRL_GMII_CLK_EN;