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authorSascha Hauer <s.hauer@pengutronix.de>2022-11-14 16:54:38 +0100
committerSascha Hauer <s.hauer@pengutronix.de>2022-11-14 16:54:38 +0100
commitaf3ab6492459a70f9fe572c3a42e6cdb6cbc44c4 (patch)
tree5d02d19f76ea5ac1b2502fb8311983ad220a52e3 /arch/arm
parent66544641b2dd00c37e16d8e1ac39a34ec4e57cb8 (diff)
parentff9c801b9e807fd3b429849e654725591a3d1eb8 (diff)
downloadbarebox-master.tar.gz
barebox-master.tar.xz
Merge branch 'for-next/promisc'HEADmaster
Diffstat (limited to 'arch/arm')
-rw-r--r--arch/arm/boards/skov-imx6/board.c105
1 files changed, 73 insertions, 32 deletions
diff --git a/arch/arm/boards/skov-imx6/board.c b/arch/arm/boards/skov-imx6/board.c
index 3c51b76735..19f91ab481 100644
--- a/arch/arm/boards/skov-imx6/board.c
+++ b/arch/arm/boards/skov-imx6/board.c
@@ -17,6 +17,12 @@
#include "version.h"
+struct skov_imx6_priv {
+ struct device_d *dev;
+};
+
+static struct skov_imx6_priv *skov_priv;
+
static int eth_of_fixup_node(struct device_node *root, const char *node_path,
const u8 *ethaddr)
{
@@ -27,21 +33,21 @@ static int eth_of_fixup_node(struct device_node *root, const char *node_path,
unsigned char ethaddr_str[sizeof("xx:xx:xx:xx:xx:xx")];
ethaddr_to_string(ethaddr, ethaddr_str);
- pr_err("The mac-address %s is invalid.\n", ethaddr_str);
+ dev_err(skov_priv->dev, "The mac-address %s is invalid.\n", ethaddr_str);
return -EINVAL;
}
node = of_find_node_by_path_from(root, node_path);
if (!node) {
- pr_err("Did not find node %s to fix up with stored mac-address.\n",
- node_path);
+ dev_err(skov_priv->dev, "Did not find node %s to fix up with stored mac-address.\n",
+ node_path);
return -ENOENT;
}
ret = of_set_property(node, "mac-address", ethaddr, ETH_ALEN, 1);
if (ret)
- pr_err("Setting mac-address property of %s failed with: %s.\n",
- node->full_name, strerror(-ret));
+ dev_err(skov_priv->dev, "Setting mac-address property of %s failed with: %s.\n",
+ node->full_name, strerror(-ret));
return ret;
}
@@ -54,7 +60,7 @@ static int eth_of_fixup_node_from_eth_device(struct device_node *root,
edev = eth_get_byname(ethname);
if (!edev) {
- pr_err("Did not find eth device \"%s\" to copy mac-address from.\n", ethname);
+ dev_err(skov_priv->dev, "Did not find eth device \"%s\" to copy mac-address from.\n", ethname);
return -ENOENT;
}
@@ -68,14 +74,14 @@ static int get_mac_address_from_env_variable(const char *env, u8 ethaddr[ETH_ALE
ethaddr_str = getenv(env);
if (!ethaddr_str) {
- pr_err("State variable %s storing the mac-address not found.\n", env);
+ dev_err(skov_priv->dev, "State variable %s storing the mac-address not found.\n", env);
return -ENOENT;
}
ret = string_to_ethaddr(ethaddr_str, ethaddr);
if (ret < 0) {
- pr_err("Could not convert \"%s\" in state variable %s into mac-address.\n",
- ethaddr_str, env);
+ dev_err(skov_priv->dev, "Could not convert \"%s\" in state variable %s into mac-address.\n",
+ ethaddr_str, env);
return -EINVAL;
}
@@ -90,13 +96,13 @@ static int get_default_mac_address_from_state_node(const char *state_node_path,
node = of_find_node_by_path(state_node_path);
if (!node) {
- pr_err("Node %s defining the state variable not found.\n", state_node_path);
+ dev_err(skov_priv->dev, "Node %s defining the state variable not found.\n", state_node_path);
return -ENOENT;
}
ret = of_property_read_u8_array(node, "default", ethaddr, ETH_ALEN);
if (ret) {
- pr_err("Node %s has no property \"default\" of proper type.\n", state_node_path);
+ dev_err(skov_priv->dev, "Node %s has no property \"default\" of proper type.\n", state_node_path);
return -ENOENT;
}
@@ -340,18 +346,18 @@ static void skov_imx6_no_switch(struct device_node *root)
if (node) {
ret = of_device_disable(node);
if (ret)
- pr_warn("Can't disable %s\n", fec_alias);
+ dev_warn(skov_priv->dev, "Can't disable %s\n", fec_alias);
} else {
- pr_warn("Can't find node by alias: %s\n", fec_alias);
+ dev_warn(skov_priv->dev, "Can't find node by alias: %s\n", fec_alias);
}
node = of_find_node_by_alias(root, "mdio-gpio0");
if (node) {
ret = of_device_disable(node);
if (ret)
- pr_warn("Can't disable mdio-gpio0 node\n");
+ dev_warn(skov_priv->dev, "Can't disable mdio-gpio0 node\n");
} else {
- pr_warn("Can't find mdio-gpio0 node\n");
+ dev_warn(skov_priv->dev, "Can't find mdio-gpio0 node\n");
}
}
@@ -398,7 +404,7 @@ static void skov_imx6_switch(struct device_node *root)
if (ret) {
ret = skov_imx6_switch_port(root, old);
if (ret)
- pr_err("Filed to set mac address\n");
+ dev_err(skov_priv->dev, "Filed to set mac address\n");
}
}
@@ -423,7 +429,7 @@ static int skov_imx6_fixup(struct device_node *root, void *unused)
default:
val = getenv("state.display.brightness");
if (!val) {
- pr_err("could not get default display brightness\n");
+ dev_err(skov_priv->dev, "could not get default display brightness\n");
return 0;
}
@@ -434,7 +440,7 @@ static int skov_imx6_fixup(struct device_node *root, void *unused)
for_each_compatible_node_from(node, root, NULL, "pwm-backlight") {
ret = of_property_write_u32(node, "default-brightness-level", brightness);
if (ret)
- pr_err("error %d while setting default-brightness-level property on node %s to %d\n",
+ dev_err(skov_priv->dev, "error %d while setting default-brightness-level property on node %s to %d\n",
ret, node->name, brightness);
}
@@ -463,9 +469,9 @@ static void skov_init_board(const struct board_description *variant)
if (gpio_np) {
ret = of_device_ensure_probed(gpio_np);
if (ret)
- pr_warn("Can't probe GPIO node\n");
+ dev_warn(skov_priv->dev, "Can't probe GPIO node\n");
} else {
- pr_warn("Can't get GPIO node\n");
+ dev_warn(skov_priv->dev, "Can't get GPIO node\n");
}
imx6_bbu_internal_spi_i2c_register_handler("spiflash", "/dev/m25p0.barebox",
@@ -484,12 +490,12 @@ static void skov_init_board(const struct board_description *variant)
break;
}
- pr_notice("Using environment in %s\n", envdev);
+ dev_notice(skov_priv->dev, "Using environment in %s\n", envdev);
ret = of_device_enable_path(environment_path);
if (ret < 0)
- pr_warn("Failed to enable environment partition '%s' (%d)\n",
- environment_path, ret);
+ dev_warn(skov_priv->dev, "Failed to enable environment partition '%s' (%d)\n",
+ environment_path, ret);
if (variant->flags & SKOV_NEED_ENABLE_RMII) {
/*
@@ -523,7 +529,7 @@ static void skov_init_board(const struct board_description *variant)
if (np)
of_device_enable_and_register(np);
else
- pr_err("Cannot find \"fsl,imx-parallel-display\" node\n");
+ dev_err(skov_priv->dev, "Cannot find \"fsl,imx-parallel-display\" node\n");
}
if (variant->flags & SKOV_DISPLAY_LVDS) {
@@ -531,17 +537,44 @@ static void skov_init_board(const struct board_description *variant)
if (np)
of_device_enable_and_register(np);
else
- pr_err("Cannot find \"fsl,imx6q-ldb\" node\n");
+ dev_err(skov_priv->dev, "Cannot find \"fsl,imx6q-ldb\" node\n");
/* ... as well as its channel 0 */
np = of_find_node_by_name_address(np, "lvds-channel@0");
if (np)
of_device_enable(np);
else
- pr_err("Cannot find \"lvds-channel@0\" node\n");
+ dev_err(skov_priv->dev, "Cannot find \"lvds-channel@0\" node\n");
}
}
+static int skov_set_switch_lan2_mac(struct skov_imx6_priv *priv)
+{
+ const char *state = "/state/ethaddr/eth2";
+ struct device_node *lan2_np;
+ u8 ethaddr[ETH_ALEN];
+ int ret;
+
+ ret = get_mac_address_from_env_variable("state.ethaddr.eth2", ethaddr);
+ if (ret || !is_valid_ether_addr(ethaddr)) {
+ ret = get_default_mac_address_from_state_node(state, ethaddr);
+ if (ret || !is_valid_ether_addr(ethaddr)) {
+ dev_err(priv->dev, "can't get MAC for LAN2\n");
+ return -ENODEV;
+ }
+ }
+
+ lan2_np = of_find_node_by_path("/mdio/switch@0/ports/ports@1");
+ if (!lan2_np) {
+ dev_err(priv->dev, "LAN2 node not found\n");
+ return -ENODEV;
+ }
+
+ of_eth_register_ethaddr(lan2_np, ethaddr);
+
+ return 0;
+}
+
static int skov_switch_test(void)
{
struct device_d *sw_dev;
@@ -557,25 +590,28 @@ static int skov_switch_test(void)
*/
sw_dev = of_find_device_by_node_path("/mdio/switch@0");
if (!sw_dev) {
- pr_err("switch@0 device was not created!\n");
+ dev_err(skov_priv->dev, "switch@0 device was not created!\n");
goto no_switch;
}
- if (dev_is_probed(sw_dev))
+ if (dev_is_probed(sw_dev)) {
+ skov_set_switch_lan2_mac(skov_priv);
+ /* even if we fail, continue to boot as good as possible */
return 0;
+ }
no_switch:
skov_have_switch = false;
- pr_notice("No-switch variant is detected\n");
+ dev_notice(skov_priv->dev, "No-switch variant is detected\n");
eth0 = get_device_by_name("eth0");
if (eth0) {
ret = dev_set_param(eth0, "mode", "disabled");
if (ret)
- pr_warn("Can't set eth0 mode\n");
+ dev_warn(skov_priv->dev, "Can't set eth0 mode\n");
} else {
- pr_warn("Can't disable eth0\n");
+ dev_warn(skov_priv->dev, "Can't disable eth0\n");
}
return 0;
@@ -584,6 +620,7 @@ late_initcall(skov_switch_test);
static int skov_imx6_probe(struct device_d *dev)
{
+ struct skov_imx6_priv *priv;
unsigned v = 0;
const struct board_description *variant;
@@ -603,6 +640,10 @@ static int skov_imx6_probe(struct device_d *dev)
skov_board_no = v;
+ priv = xzalloc(sizeof(*priv));
+ priv->dev = dev;
+ skov_priv = priv;
+
globalvar_add_simple_int("board.no", &skov_board_no, "%u");
globalvar_add_simple("board.variant", variant->variant);
globalvar_add_simple("board.revision",variant->revision);
@@ -644,7 +685,7 @@ static void skov_imx6_devices_shutdown(void)
external = getenv("state.display.external");
if (!external) {
- pr_err("could not get state variable display.external\n");
+ dev_err(skov_priv->dev, "could not get state variable display.external\n");
return;
}