diff options
Diffstat (limited to 'drivers/net/fm/t4240.c')
| -rw-r--r-- | drivers/net/fm/t4240.c | 128 |
1 files changed, 128 insertions, 0 deletions
diff --git a/drivers/net/fm/t4240.c b/drivers/net/fm/t4240.c new file mode 100644 index 000000000..48c530c91 --- /dev/null +++ b/drivers/net/fm/t4240.c @@ -0,0 +1,128 @@ +/* + * Copyright 2012 Freescale Semiconductor, Inc. + * Roy Zang <tie-fei.zang@freescale.com> + * + * 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] = FSL_CORENET_DEVDISR2_DTSEC1_1, + [FM1_DTSEC2] = FSL_CORENET_DEVDISR2_DTSEC1_2, + [FM1_DTSEC3] = FSL_CORENET_DEVDISR2_DTSEC1_3, + [FM1_DTSEC4] = FSL_CORENET_DEVDISR2_DTSEC1_4, + [FM1_DTSEC5] = FSL_CORENET_DEVDISR2_DTSEC1_5, + [FM1_DTSEC6] = FSL_CORENET_DEVDISR2_DTSEC1_6, + [FM1_DTSEC9] = FSL_CORENET_DEVDISR2_DTSEC1_9, + [FM1_DTSEC10] = FSL_CORENET_DEVDISR2_DTSEC1_10, + [FM1_10GEC1] = FSL_CORENET_DEVDISR2_10GEC1_1, + [FM1_10GEC2] = FSL_CORENET_DEVDISR2_10GEC1_2, + [FM2_DTSEC1] = FSL_CORENET_DEVDISR2_DTSEC2_1, + [FM2_DTSEC2] = FSL_CORENET_DEVDISR2_DTSEC2_2, + [FM2_DTSEC3] = FSL_CORENET_DEVDISR2_DTSEC2_3, + [FM2_DTSEC4] = FSL_CORENET_DEVDISR2_DTSEC2_4, + [FM2_DTSEC5] = FSL_CORENET_DEVDISR2_DTSEC2_5, + [FM2_DTSEC6] = FSL_CORENET_DEVDISR2_DTSEC2_6, + [FM2_DTSEC9] = FSL_CORENET_DEVDISR2_DTSEC2_9, + [FM2_DTSEC10] = FSL_CORENET_DEVDISR2_DTSEC2_10, + [FM2_10GEC1] = FSL_CORENET_DEVDISR2_10GEC2_1, + [FM2_10GEC2] = FSL_CORENET_DEVDISR2_10GEC2_2, +}; + +static int is_device_disabled(enum fm_port port) +{ + ccsr_gur_t *gur = (void __iomem *)(CONFIG_SYS_MPC85xx_GUTS_ADDR); + u32 devdisr2 = in_be32(&gur->devdisr2); + + return port_to_devdisr[port] & devdisr2; +} + +void fman_disable_port(enum fm_port port) +{ + ccsr_gur_t *gur = (void __iomem *)(CONFIG_SYS_MPC85xx_GUTS_ADDR); + + setbits_be32(&gur->devdisr2, port_to_devdisr[port]); +} + +phy_interface_t fman_port_enet_if(enum fm_port port) +{ + ccsr_gur_t *gur = (void __iomem *)(CONFIG_SYS_MPC85xx_GUTS_ADDR); + u32 rcwsr13 = in_be32(&gur->rcwsr[13]); + + if (is_device_disabled(port)) + return PHY_INTERFACE_MODE_NONE; + + if ((port == FM1_10GEC1 || port == FM1_10GEC2) + && (is_serdes_configured(XAUI_FM1))) + return PHY_INTERFACE_MODE_XGMII; + + if ((port == FM2_10GEC1 || port == FM2_10GEC2) + && (is_serdes_configured(XAUI_FM2))) + return PHY_INTERFACE_MODE_XGMII; + +#define FSL_CORENET_RCWSR13_EC1 0x60000000 /* bits 417..418 */ +#define FSL_CORENET_RCWSR13_EC1_FM2_DTSEC5_RGMII 0x00000000 +#define FSL_CORENET_RCWSR13_EC1_FM2_GPIO 0x40000000 +#define FSL_CORENET_RCWSR13_EC2 0x18000000 /* bits 419..420 */ +#define FSL_CORENET_RCWSR13_EC2_FM1_DTSEC5_RGMII 0x00000000 +#define FSL_CORENET_RCWSR13_EC2_FM2_DTSEC6_RGMII 0x08000000 +#define FSL_CORENET_RCWSR13_EC2_FM1_GPIO 0x10000000 + /* handle RGMII first */ + if ((port == FM2_DTSEC5) && ((rcwsr13 & FSL_CORENET_RCWSR13_EC1) == + FSL_CORENET_RCWSR13_EC1_FM2_DTSEC5_RGMII)) + return PHY_INTERFACE_MODE_RGMII; + + if ((port == FM1_DTSEC5) && ((rcwsr13 & FSL_CORENET_RCWSR13_EC2) == + FSL_CORENET_RCWSR13_EC2_FM1_DTSEC5_RGMII)) + return PHY_INTERFACE_MODE_RGMII; + + if ((port == FM2_DTSEC6) && ((rcwsr13 & FSL_CORENET_RCWSR13_EC2) == + FSL_CORENET_RCWSR13_EC2_FM2_DTSEC6_RGMII)) + return PHY_INTERFACE_MODE_RGMII; + switch (port) { + case FM1_DTSEC1: + case FM1_DTSEC2: + case FM1_DTSEC3: + case FM1_DTSEC4: + case FM1_DTSEC5: + case FM1_DTSEC6: + case FM1_DTSEC9: + case FM1_DTSEC10: + if (is_serdes_configured(SGMII_FM1_DTSEC1 + port - FM1_DTSEC1)) + return PHY_INTERFACE_MODE_SGMII; + break; + case FM2_DTSEC1: + case FM2_DTSEC2: + case FM2_DTSEC3: + case FM2_DTSEC4: + case FM2_DTSEC5: + case FM2_DTSEC6: + case FM2_DTSEC9: + case FM2_DTSEC10: + if (is_serdes_configured(SGMII_FM2_DTSEC1 + port - FM2_DTSEC1)) + return PHY_INTERFACE_MODE_SGMII; + break; + default: + return PHY_INTERFACE_MODE_NONE; + } + + return PHY_INTERFACE_MODE_NONE; +} |