diff options
Diffstat (limited to 'target/linux/imx6/patches-3.14/0050-sky2-allow-mac-to-come-from-dt.patch')
-rw-r--r-- | target/linux/imx6/patches-3.14/0050-sky2-allow-mac-to-come-from-dt.patch | 69 |
1 files changed, 0 insertions, 69 deletions
diff --git a/target/linux/imx6/patches-3.14/0050-sky2-allow-mac-to-come-from-dt.patch b/target/linux/imx6/patches-3.14/0050-sky2-allow-mac-to-come-from-dt.patch deleted file mode 100644 index bab418b..0000000 --- a/target/linux/imx6/patches-3.14/0050-sky2-allow-mac-to-come-from-dt.patch +++ /dev/null @@ -1,69 +0,0 @@ -From: Tim Harvey <tharvey@gateworks.com> -Subject: [PATCH] sky2: allow mac to come from dt - -The driver reads the mac address from the device registers which would -need to have been programmed by the bootloader. This patch adds -the ability to pull the mac from devicetree via the aliases/sky2 node. - -Signed-off-by: Tim Harvey <tharvey@gateworks.com> ---- - drivers/net/ethernet/marvell/sky2.c | 33 ++++++++++++++++++++++++++++++++- - 1 file changed, 32 insertions(+), 1 deletion(-) - ---- a/drivers/net/ethernet/marvell/sky2.c -+++ b/drivers/net/ethernet/marvell/sky2.c -@@ -44,6 +44,8 @@ - #include <linux/prefetch.h> - #include <linux/debugfs.h> - #include <linux/mii.h> -+#include <linux/of_device.h> -+#include <linux/of_net.h> - - #include <asm/irq.h> - -@@ -4748,6 +4750,7 @@ static struct net_device *sky2_init_netd - { - struct sky2_port *sky2; - struct net_device *dev = alloc_etherdev(sizeof(*sky2)); -+ unsigned char *iap, tmpaddr[ETH_ALEN]; - - if (!dev) - return NULL; -@@ -4805,8 +4808,36 @@ static struct net_device *sky2_init_netd - - dev->features |= dev->hw_features; - -+ /* -+ * try to get mac address in the following order: -+ * 1) from device tree data -+ * 2) from internal registers set by bootloader -+ */ -+ iap = NULL; -+ if (IS_ENABLED(CONFIG_OF)) { -+ struct device_node *np; -+ np = of_find_node_by_path("/aliases"); -+ if (np) { -+ const char *path = of_get_property(np, "sky2", NULL); -+ if (path) -+ np = of_find_node_by_path(path); -+ if (np) -+ path = of_get_mac_address(np); -+ if (path) -+ iap = (unsigned char *) path; -+ } -+ } -+ -+ /* -+ * 2) mac registers set by bootloader -+ */ -+ if (!iap || !is_valid_ether_addr(iap)) { -+ memcpy_fromio(&tmpaddr, hw->regs + B2_MAC_1 + port * 8, ETH_ALEN); -+ iap = &tmpaddr[0]; -+ } -+ - /* read the mac address */ -- memcpy_fromio(dev->dev_addr, hw->regs + B2_MAC_1 + port * 8, ETH_ALEN); -+ memcpy(dev->dev_addr, iap, ETH_ALEN); - - return dev; - } |