diff options
| -rw-r--r-- | Documentation/powerpc/booting-without-of.txt | 4 | ||||
| -rw-r--r-- | arch/powerpc/sysdev/fsl_soc.c | 79 |
2 files changed, 66 insertions, 17 deletions
diff --git a/Documentation/powerpc/booting-without-of.txt b/Documentation/powerpc/booting-without-of.txt index e58fd31bee1a..f920c2459e89 100644 --- a/Documentation/powerpc/booting-without-of.txt +++ b/Documentation/powerpc/booting-without-of.txt @@ -1257,6 +1257,10 @@ platforms are moved over to use the flattened-device-tree model. services interrupts for this device. - phy-handle : The phandle for the PHY connected to this ethernet controller. + - fixed-link : <a b c d e> where a is emulated phy id - choose any, + but unique to the all specified fixed-links, b is duplex - 0 half, + 1 full, c is link speed - d#10/d#100/d#1000, d is pause - 0 no + pause, 1 pause, e is asym_pause - 0 no asym_pause, 1 asym_pause. Recommended properties: diff --git a/arch/powerpc/sysdev/fsl_soc.c b/arch/powerpc/sysdev/fsl_soc.c index f5c240242cfd..474cb8e22f64 100644 --- a/arch/powerpc/sysdev/fsl_soc.c +++ b/arch/powerpc/sysdev/fsl_soc.c @@ -24,6 +24,7 @@ #include <linux/platform_device.h> #include <linux/of_platform.h> #include <linux/phy.h> +#include <linux/phy_fixed.h> #include <linux/spi/spi.h> #include <linux/fsl_devices.h> #include <linux/fs_enet_pd.h> @@ -130,6 +131,37 @@ u32 get_baudrate(void) EXPORT_SYMBOL(get_baudrate); #endif /* CONFIG_CPM2 */ +#ifdef CONFIG_FIXED_PHY +static int __init of_add_fixed_phys(void) +{ + int ret; + struct device_node *np; + u32 *fixed_link; + struct fixed_phy_status status = {}; + + for_each_node_by_name(np, "ethernet") { + fixed_link = (u32 *)of_get_property(np, "fixed-link", NULL); + if (!fixed_link) + continue; + + status.link = 1; + status.duplex = fixed_link[1]; + status.speed = fixed_link[2]; + status.pause = fixed_link[3]; + status.asym_pause = fixed_link[4]; + + ret = fixed_phy_add(PHY_POLL, fixed_link[0], &status); + if (ret) { + of_node_put(np); + return ret; + } + } + + return 0; +} +arch_initcall(of_add_fixed_phys); +#endif /* CONFIG_FIXED_PHY */ + static int __init gfar_mdio_of_init(void) { struct device_node *np = NULL; @@ -198,7 +230,6 @@ static const char *gfar_tx_intr = "tx"; static const char *gfar_rx_intr = "rx"; static const char *gfar_err_intr = "error"; - static int __init gfar_of_init(void) { struct device_node *np; @@ -282,29 +313,43 @@ static int __init gfar_of_init(void) gfar_data.interface = PHY_INTERFACE_MODE_MII; ph = of_get_property(np, "phy-handle", NULL); - phy = of_find_node_by_phandle(*ph); + if (ph == NULL) { + u32 *fixed_link; - if (phy == NULL) { - ret = -ENODEV; - goto unreg; - } + fixed_link = (u32 *)of_get_property(np, "fixed-link", + NULL); + if (!fixed_link) { + ret = -ENODEV; + goto unreg; + } - mdio = of_get_parent(phy); + gfar_data.bus_id = 0; + gfar_data.phy_id = fixed_link[0]; + } else { + phy = of_find_node_by_phandle(*ph); + + if (phy == NULL) { + ret = -ENODEV; + goto unreg; + } + + mdio = of_get_parent(phy); + + id = of_get_property(phy, "reg", NULL); + ret = of_address_to_resource(mdio, 0, &res); + if (ret) { + of_node_put(phy); + of_node_put(mdio); + goto unreg; + } + + gfar_data.phy_id = *id; + gfar_data.bus_id = res.start; - id = of_get_property(phy, "reg", NULL); - ret = of_address_to_resource(mdio, 0, &res); - if (ret) { of_node_put(phy); of_node_put(mdio); - goto unreg; } - gfar_data.phy_id = *id; - gfar_data.bus_id = res.start; - - of_node_put(phy); - of_node_put(mdio); - ret = platform_device_add_data(gfar_dev, &gfar_data, sizeof(struct |