| /* |
| * Copyright 2010-2011 Freescale Semiconductor, Inc. |
| * Author: 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. |
| */ |
| |
| #include <config.h> |
| #include <common.h> |
| #include <asm/io.h> |
| #include <asm/immap_85xx.h> |
| #include <asm/fsl_serdes.h> |
| |
| #define SRDS1_MAX_LANES 4 |
| |
| static u32 serdes1_prtcl_map; |
| |
| static const u8 serdes1_cfg_tbl[][SRDS1_MAX_LANES] = { |
| [0x00] = {PCIE1, PCIE2, NONE, NONE}, |
| [0x01] = {PCIE1, PCIE2, PCIE3, NONE}, |
| [0x02] = {PCIE1, PCIE2, PCIE3, SGMII_FM1_DTSEC2}, |
| [0x03] = {PCIE1, PCIE2, SGMII_FM1_DTSEC1, SGMII_FM1_DTSEC2}, |
| }; |
| |
| int is_serdes_configured(enum srds_prtcl device) |
| { |
| int ret = (1 << device) & serdes1_prtcl_map; |
| return ret; |
| } |
| |
| void fsl_serdes_init(void) |
| { |
| ccsr_gur_t *gur = (void *)CONFIG_SYS_MPC85xx_GUTS_ADDR; |
| u32 pordevsr = in_be32(&gur->pordevsr); |
| u32 srds_cfg = (pordevsr & MPC85xx_PORDEVSR_IO_SEL) >> |
| MPC85xx_PORDEVSR_IO_SEL_SHIFT; |
| int lane; |
| |
| debug("PORDEVSR[IO_SEL_SRDS] = %x\n", srds_cfg); |
| |
| if (srds_cfg > ARRAY_SIZE(serdes1_cfg_tbl)) { |
| printf("Invalid PORDEVSR[IO_SEL_SRDS] = %d\n", srds_cfg); |
| return; |
| } |
| for (lane = 0; lane < SRDS1_MAX_LANES; lane++) { |
| enum srds_prtcl lane_prtcl = serdes1_cfg_tbl[srds_cfg][lane]; |
| serdes1_prtcl_map |= (1 << lane_prtcl); |
| } |
| |
| } |