diff options
Diffstat (limited to 'arch/powerpc/cpu/mpc85xx/p3060_serdes.c')
| -rw-r--r-- | arch/powerpc/cpu/mpc85xx/p3060_serdes.c | 138 |
1 files changed, 138 insertions, 0 deletions
diff --git a/arch/powerpc/cpu/mpc85xx/p3060_serdes.c b/arch/powerpc/cpu/mpc85xx/p3060_serdes.c new file mode 100644 index 0000000000..6387276bab --- /dev/null +++ b/arch/powerpc/cpu/mpc85xx/p3060_serdes.c @@ -0,0 +1,138 @@ +/* + * Copyright 2011 Freescale Semiconductor, Inc. + * + * See file CREDITS for list of people who contributed to this + * project. + * + * 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 <asm/io.h> +#include <asm/fsl_serdes.h> +#include <asm/processor.h> +#include <asm/io.h> +#include "fsl_corenet_serdes.h" + +static u8 serdes_cfg_tbl[][SRDS_MAX_LANES] = { + [0x03] = {PCIE1, PCIE1, PCIE1, PCIE1, PCIE2, PCIE2, PCIE2, PCIE2, + SGMII_FM2_DTSEC4, SGMII_FM1_DTSEC4, SGMII_FM2_DTSEC1, + SGMII_FM1_DTSEC1, SGMII_FM2_DTSEC2, SGMII_FM1_DTSEC2, + NONE, NONE, AURORA, AURORA}, + [0x06] = {PCIE1, PCIE1, PCIE1, PCIE1, NONE, NONE, SGMII_FM2_DTSEC3, + SGMII_FM1_DTSEC3, SGMII_FM2_DTSEC4, SGMII_FM1_DTSEC4, + SGMII_FM2_DTSEC1, SGMII_FM1_DTSEC1, SGMII_FM2_DTSEC2, + SGMII_FM1_DTSEC2, NONE, NONE, AURORA, AURORA}, + [0x16] = {SRIO2, SRIO2, SRIO2, SRIO2, SRIO1, SRIO1, SRIO1, SRIO1, + AURORA, AURORA, SGMII_FM2_DTSEC1, SGMII_FM1_DTSEC1, + SGMII_FM2_DTSEC2, SGMII_FM1_DTSEC2, SGMII_FM2_DTSEC3, + SGMII_FM1_DTSEC3, SGMII_FM2_DTSEC4, SGMII_FM1_DTSEC4}, + [0x19] = {SRIO2, SRIO2, SRIO2, SRIO2, SRIO1, SRIO1, SRIO1, SRIO1, + AURORA, AURORA, PCIE2, PCIE2, PCIE2, PCIE2, SGMII_FM2_DTSEC3, + SGMII_FM1_DTSEC3, SGMII_FM2_DTSEC4, SGMII_FM1_DTSEC4}, + [0x1c] = {NONE, NONE, SRIO1, SRIO2, NONE, NONE, NONE, NONE, + AURORA, AURORA, SGMII_FM2_DTSEC1, SGMII_FM1_DTSEC1, + SGMII_FM2_DTSEC2, SGMII_FM1_DTSEC2, SGMII_FM2_DTSEC3, + SGMII_FM1_DTSEC3, SGMII_FM2_DTSEC4, SGMII_FM1_DTSEC4}, +}; + +enum srds_prtcl serdes_get_prtcl(int cfg, int lane) +{ + if (!serdes_lane_enabled(lane)) + return NONE; + + return serdes_cfg_tbl[cfg][lane]; +} + +int is_serdes_prtcl_valid(u32 prtcl) +{ + int i; + + if (prtcl > ARRAY_SIZE(serdes_cfg_tbl)) + return 0; + + for (i = 0; i < SRDS_MAX_LANES; i++) { + if (serdes_cfg_tbl[prtcl][i] != NONE) + return 1; + } + + return 0; +} + +void soc_serdes_init(void) +{ + /* + * On the P3060 the devdisr2 register does not correctly reflect + * the state of the MACs based on the RCW fields. So disable the MACs + * based on the srds_prtcl and ec1, ec2, ec3 fields + */ + + ccsr_gur_t *gur = (void *)(CONFIG_SYS_MPC85xx_GUTS_ADDR); + u32 devdisr2 = in_be32(&gur->devdisr2); + u32 rcwsr11 = in_be32(&gur->rcwsr[11]); + u32 rcwsr13 = in_be32(&gur->rcwsr[13]); + u32 ec1_ext, ec2_ext; + + /* NOTE: Leave FM1-1,FM1-2 alone for MDIO access */ + + if (!is_serdes_configured(SGMII_FM1_DTSEC3)) + devdisr2 |= FSL_CORENET_DEVDISR2_DTSEC1_3; + + if (!is_serdes_configured(SGMII_FM1_DTSEC4)) + devdisr2 |= FSL_CORENET_DEVDISR2_DTSEC1_4; + + if (!is_serdes_configured(SGMII_FM2_DTSEC1)) + devdisr2 |= FSL_CORENET_DEVDISR2_DTSEC2_1; + + if (!is_serdes_configured(SGMII_FM2_DTSEC2)) + devdisr2 |= FSL_CORENET_DEVDISR2_DTSEC2_2; + + if (!is_serdes_configured(SGMII_FM2_DTSEC3)) + devdisr2 |= FSL_CORENET_DEVDISR2_DTSEC2_3; + + if (!is_serdes_configured(SGMII_FM2_DTSEC4)) + devdisr2 |= FSL_CORENET_DEVDISR2_DTSEC2_4; + + if ((rcwsr11 & FSL_CORENET_RCWSR11_EC2) == + FSL_CORENET_RCWSR11_EC2_FM1_DTSEC2) { + devdisr2 &= ~FSL_CORENET_DEVDISR2_DTSEC1_2; + } + + if ((rcwsr11 & FSL_CORENET_RCWSR11_EC2) == + FSL_CORENET_RCWSR11_EC2_FM2_DTSEC1) { + devdisr2 &= ~FSL_CORENET_DEVDISR2_DTSEC2_1; + } + + ec1_ext = rcwsr13 & FSL_CORENET_RCWSR13_EC1_EXT; + if (ec1_ext) { + if ((ec1_ext == FSL_CORENET_RCWSR13_EC1_EXT_FM1_DTSEC4_RGMII) || + (ec1_ext == FSL_CORENET_RCWSR13_EC1_EXT_FM1_DTSEC4_MII)) + devdisr2 &= ~FSL_CORENET_DEVDISR2_DTSEC1_4; + } + + ec2_ext = rcwsr13 & FSL_CORENET_RCWSR13_EC2_EXT; + if (ec2_ext) { + if ((ec2_ext == FSL_CORENET_RCWSR13_EC2_EXT_FM2_DTSEC4_RGMII) || + (ec2_ext == FSL_CORENET_RCWSR13_EC2_EXT_FM2_DTSEC4_MII)) + devdisr2 &= ~FSL_CORENET_DEVDISR2_DTSEC2_4; + } + + if ((rcwsr13 & FSL_CORENET_RCWSR13_EC3) == + FSL_CORENET_RCWSR13_EC3_FM2_DTSEC4_MII) + devdisr2 &= ~FSL_CORENET_DEVDISR2_DTSEC2_4; + + out_be32(&gur->devdisr2, devdisr2); +} |