2 * Copyright 2010 Freescale Semiconductor, Inc.
4 * See file CREDITS for list of people who contributed to this
7 * This program is free software; you can redistribute it and/or
8 * modify it under the terms of the GNU General Public License as
9 * published by the Free Software Foundation; either version 2 of
10 * the License, or (at your option) any later version.
12 * This program is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 * GNU General Public License for more details.
17 * You should have received a copy of the GNU General Public License
18 * along with this program; if not, write to the Free Software
19 * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
26 #include <asm/immap_86xx.h>
27 #include <asm/fsl_serdes.h>
29 #define SRDS1_MAX_LANES 4
30 #define SRDS2_MAX_LANES 4
32 static u32 serdes1_prtcl_map, serdes2_prtcl_map;
34 static u8 serdes1_cfg_tbl[][SRDS1_MAX_LANES] = {
35 [0x2] = {PCIE1, PCIE1, PCIE1, PCIE1},
36 [0x3] = {PCIE1, PCIE1, PCIE1, PCIE1},
37 [0x5] = {PCIE1, PCIE1, PCIE1, PCIE1},
38 [0x6] = {PCIE1, PCIE1, PCIE1, PCIE1},
39 [0x7] = {PCIE1, PCIE1, PCIE1, PCIE1},
40 [0xf] = {PCIE1, PCIE1, PCIE1, PCIE1},
43 static u8 serdes2_cfg_tbl[][SRDS2_MAX_LANES] = {
44 [0x3] = {PCIE2, PCIE2, PCIE2, PCIE2},
45 [0x5] = {SRIO1, SRIO1, SRIO1, SRIO1},
46 [0x6] = {SRIO1, SRIO1, SRIO1, SRIO1},
47 [0x7] = {SRIO1, SRIO1, SRIO1, SRIO1},
48 [0x9] = {SRIO1, SRIO1, SRIO1, SRIO1},
49 [0xa] = {SRIO1, SRIO1, SRIO1, SRIO1},
50 [0xb] = {SRIO1, SRIO1, SRIO1, SRIO1},
51 [0xe] = {PCIE2, PCIE2, PCIE2, PCIE2},
52 [0xf] = {PCIE2, PCIE2, PCIE2, PCIE2},
55 int is_serdes_configured(enum srds_prtcl device)
57 int ret = (1 << device) & serdes1_prtcl_map;
62 return (1 << device) & serdes2_prtcl_map;
65 void fsl_serdes_init(void)
67 immap_t *immap = (immap_t *) CONFIG_SYS_CCSRBAR;
68 ccsr_gur_t *gur = &immap->im_gur;
69 u32 pordevsr = in_be32(&gur->pordevsr);
70 u32 srds_cfg = (pordevsr & MPC8641_PORDEVSR_IO_SEL) >>
71 MPC8641_PORDEVSR_IO_SEL_SHIFT;
74 debug("PORDEVSR[IO_SEL_SRDS] = %x\n", srds_cfg);
76 if (srds_cfg > ARRAY_SIZE(serdes1_cfg_tbl)) {
77 printf("Invalid PORDEVSR[IO_SEL_SRDS] = %d\n", srds_cfg);
80 for (lane = 0; lane < SRDS1_MAX_LANES; lane++) {
81 enum srds_prtcl lane_prtcl = serdes1_cfg_tbl[srds_cfg][lane];
82 serdes1_prtcl_map |= (1 << lane_prtcl);
85 if (srds_cfg > ARRAY_SIZE(serdes2_cfg_tbl)) {
86 printf("Invalid PORDEVSR[IO_SEL_SRDS] = %d\n", srds_cfg);
90 for (lane = 0; lane < SRDS2_MAX_LANES; lane++) {
91 enum srds_prtcl lane_prtcl = serdes2_cfg_tbl[srds_cfg][lane];
92 serdes2_prtcl_map |= (1 << lane_prtcl);