diff options
| author | Vitaly Bordug <vitb@kernel.crashing.org> | 2007-12-07 01:51:31 +0300 |
|---|---|---|
| committer | Kumar Gala <galak@kernel.crashing.org> | 2008-01-23 19:34:04 -0600 |
| commit | a21e282a124f4679c040087ab73aa5b147d4275f (patch) | |
| tree | e4577d144198456c812d45fa4921b7c4ec3e3fb8 /arch/powerpc | |
| parent | e30007656463228ba23748df81a786f74dabf8b4 (diff) | |
[POWERPC] fsl_soc: add support to gianfar for fixed-link property
fixed-link says: register new "Fixed/emulated PHY", i.e. PHY that
not connected to the real MDIO bus.
Signed-off-by: Vitaly Bordug <vitb@kernel.crashing.org>
Signed-off-by: Anton Vorontsov <avorontsov@ru.mvista.com>
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
Diffstat (limited to 'arch/powerpc')
| -rw-r--r-- | arch/powerpc/sysdev/fsl_soc.c | 79 |
1 files changed, 62 insertions, 17 deletions
diff --git a/arch/powerpc/sysdev/fsl_soc.c b/arch/powerpc/sysdev/fsl_soc.c index f5c240242cf..474cb8e22f6 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 |