diff options
Diffstat (limited to 'drivers/net/fm/p1023.c')
-rw-r--r-- | drivers/net/fm/p1023.c | 68 |
1 files changed, 68 insertions, 0 deletions
diff --git a/drivers/net/fm/p1023.c b/drivers/net/fm/p1023.c new file mode 100644 index 0000000000..c196e79b68 --- /dev/null +++ b/drivers/net/fm/p1023.c @@ -0,0 +1,68 @@ +/* + * Copyright 2011 Freescale Semiconductor, Inc. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of + * the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, + * MA 02111-1307 USA + */ +#include <common.h> +#include <phy.h> +#include <fm_eth.h> +#include <asm/io.h> +#include <asm/immap_85xx.h> +#include <asm/fsl_serdes.h> + +u32 port_to_devdisr[] = { + [FM1_DTSEC1] = MPC85xx_DEVDISR_TSEC1, + [FM1_DTSEC2] = MPC85xx_DEVDISR_TSEC2, +}; + +static int is_device_disabled(enum fm_port port) +{ + ccsr_gur_t *gur = (void *)(CONFIG_SYS_MPC85xx_GUTS_ADDR); + u32 devdisr = in_be32(&gur->devdisr); + + return port_to_devdisr[port] & devdisr; +} + +phy_interface_t fman_port_enet_if(enum fm_port port) +{ + ccsr_gur_t *gur = (void *)(CONFIG_SYS_MPC85xx_GUTS_ADDR); + u32 pordevsr = in_be32(&gur->pordevsr); + + if (is_device_disabled(port)) + return PHY_INTERFACE_MODE_NONE; + + /* DTSEC1 can be SGMII, RGMII or RMII */ + if (port == FM1_DTSEC1) { + if (is_serdes_configured(SGMII_FM1_DTSEC1)) + return PHY_INTERFACE_MODE_SGMII; + if (pordevsr & MPC85xx_PORDEVSR_SGMII1_DIS) { + if (pordevsr & MPC85xx_PORDEVSR_TSEC1_PRTC) + return PHY_INTERFACE_MODE_RGMII; + else + return PHY_INTERFACE_MODE_RMII; + } + } + + /* DTSEC2 only supports SGMII or RGMII */ + if (port == FM1_DTSEC2) { + if (is_serdes_configured(SGMII_FM1_DTSEC2)) + return PHY_INTERFACE_MODE_SGMII; + if (pordevsr & MPC85xx_PORDEVSR_SGMII2_DIS) + return PHY_INTERFACE_MODE_RGMII; + } + + return PHY_INTERFACE_MODE_NONE; +} |