diff options
Diffstat (limited to 'qemu/roms/u-boot/drivers/net/fm/p4080.c')
-rw-r--r-- | qemu/roms/u-boot/drivers/net/fm/p4080.c | 99 |
1 files changed, 99 insertions, 0 deletions
diff --git a/qemu/roms/u-boot/drivers/net/fm/p4080.c b/qemu/roms/u-boot/drivers/net/fm/p4080.c new file mode 100644 index 000000000..de7191135 --- /dev/null +++ b/qemu/roms/u-boot/drivers/net/fm/p4080.c @@ -0,0 +1,99 @@ +/* + * Copyright 2011 Freescale Semiconductor, Inc. + * + * SPDX-License-Identifier: GPL-2.0+ + */ +#include <common.h> +#include <phy.h> +#include <fm_eth.h> +#include <asm/io.h> +#include <asm/immap_85xx.h> +#include <asm/fsl_serdes.h> + +static 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_10GEC1] = FSL_CORENET_DEVDISR2_10GEC1, + [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_10GEC1] = FSL_CORENET_DEVDISR2_10GEC2, +}; + +static int is_device_disabled(enum fm_port port) +{ + ccsr_gur_t *gur = (void *)(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 *)(CONFIG_SYS_MPC85xx_GUTS_ADDR); + + /* don't allow disabling of DTSEC1 as its needed for MDIO */ + if (port == FM1_DTSEC1) + return; + + setbits_be32(&gur->devdisr2, port_to_devdisr[port]); +} + +void fman_enable_port(enum fm_port port) +{ + ccsr_gur_t *gur = (void *)(CONFIG_SYS_MPC85xx_GUTS_ADDR); + + clrbits_be32(&gur->devdisr2, port_to_devdisr[port]); +} + +phy_interface_t fman_port_enet_if(enum fm_port port) +{ + ccsr_gur_t *gur = (void *)(CONFIG_SYS_MPC85xx_GUTS_ADDR); + u32 rcwsr11 = in_be32(&gur->rcwsr[11]); + + if (is_device_disabled(port)) + return PHY_INTERFACE_MODE_NONE; + + if ((port == FM1_10GEC1) && (is_serdes_configured(XAUI_FM1))) + return PHY_INTERFACE_MODE_XGMII; + + if ((port == FM2_10GEC1) && (is_serdes_configured(XAUI_FM2))) + return PHY_INTERFACE_MODE_XGMII; + + /* handle RGMII first */ + if ((port == FM1_DTSEC1) && ((rcwsr11 & FSL_CORENET_RCWSR11_EC1) == + FSL_CORENET_RCWSR11_EC1_FM1_DTSEC1)) + return PHY_INTERFACE_MODE_RGMII; + + if ((port == FM1_DTSEC2) && ((rcwsr11 & FSL_CORENET_RCWSR11_EC2) == + FSL_CORENET_RCWSR11_EC2_FM1_DTSEC2)) + return PHY_INTERFACE_MODE_RGMII; + + if ((port == FM2_DTSEC1) && ((rcwsr11 & FSL_CORENET_RCWSR11_EC2) == + FSL_CORENET_RCWSR11_EC2_FM2_DTSEC1)) + return PHY_INTERFACE_MODE_RGMII; + + switch (port) { + case FM1_DTSEC1: + case FM1_DTSEC2: + case FM1_DTSEC3: + case FM1_DTSEC4: + 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: + 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; +} |