2 * Copyright 2013 Freescale Semiconductor, Inc.
4 * This program is free software; you can redistribute it and/or modify it
5 * under the terms of the GNU General Public License as published by the Free
6 * Software Foundation; either version 2 of the License, or (at your option)
13 #include <asm/immap_85xx.h>
14 #include <asm/fsl_serdes.h>
16 #define SRDS1_MAX_LANES 4
18 static u32 serdes1_prtcl_map;
20 struct serdes_config {
22 u8 lanes[SRDS1_MAX_LANES];
25 static const struct serdes_config serdes1_cfg_tbl[] = {
27 {1, {PCIE1, PCIE1, PCIE1, PCIE1} },
28 {2, {PCIE1, PCIE1, PCIE1, PCIE1} },
29 {3, {PCIE1, PCIE1, NONE, NONE} },
30 {4, {PCIE1, PCIE1, NONE, NONE} },
31 {5, {PCIE1, NONE, NONE, NONE} },
32 {6, {PCIE1, NONE, NONE, NONE} },
36 int is_serdes_configured(enum srds_prtcl device)
38 return (1 << device) & serdes1_prtcl_map;
41 void fsl_serdes_init(void)
43 ccsr_gur_t *gur = (void *)CONFIG_SYS_MPC85xx_GUTS_ADDR;
44 u32 pordevsr = in_be32(&gur->pordevsr);
45 u32 srds_cfg = (pordevsr & MPC85xx_PORDEVSR_IO_SEL) >>
46 MPC85xx_PORDEVSR_IO_SEL_SHIFT;
47 const struct serdes_config *ptr;
50 debug("PORDEVSR[IO_SEL_SRDS] = %x\n", srds_cfg);
52 if (srds_cfg > ARRAY_SIZE(serdes1_cfg_tbl)) {
53 printf("Invalid PORDEVSR[IO_SEL_SRDS] = %d\n", srds_cfg);
57 ptr = &serdes1_cfg_tbl[srds_cfg];
61 for (lane = 0; lane < SRDS1_MAX_LANES; lane++) {
62 enum srds_prtcl lane_prtcl = ptr->lanes[lane];
63 serdes1_prtcl_map |= (1 << lane_prtcl);