| Timur Tabi | 9b45b5a | 2010-06-14 15:28:24 -0500 | [diff] [blame] | 1 | /* |
| 2 | * Copyright 2010 Freescale Semiconductor, Inc. |
| 3 | * Author: Timur Tabi <timur@freescale.com> |
| 4 | * |
| 5 | * This program is free software; you can redistribute it and/or modify it |
| 6 | * under the terms of the GNU General Public License as published by the Free |
| 7 | * Software Foundation; either version 2 of the License, or (at your option) |
| 8 | * any later version. |
| 9 | */ |
| 10 | |
| 11 | #include <config.h> |
| 12 | #include <common.h> |
| 13 | #include <asm/io.h> |
| 14 | #include <asm/immap_85xx.h> |
| 15 | #include <asm/fsl_serdes.h> |
| 16 | |
| 17 | #define SRDS1_MAX_LANES 4 |
| 18 | #define SRDS2_MAX_LANES 2 |
| 19 | |
| 20 | static const u8 serdes1_cfg_tbl[][SRDS1_MAX_LANES] = { |
| 21 | [0x00] = {NONE, NONE, NONE, NONE}, |
| 22 | [0x01] = {NONE, NONE, NONE, NONE}, |
| 23 | [0x02] = {NONE, NONE, NONE, NONE}, |
| 24 | [0x03] = {NONE, NONE, NONE, NONE}, |
| 25 | [0x04] = {NONE, NONE, NONE, NONE}, |
| 26 | [0x06] = {PCIE1, PCIE3, SGMII_TSEC1, PCIE2}, |
| 27 | [0x07] = {PCIE1, PCIE3, SGMII_TSEC1, PCIE2}, |
| 28 | [0x09] = {PCIE1, NONE, NONE, NONE}, |
| 29 | [0x0a] = {PCIE1, PCIE3, SGMII_TSEC1, SGMII_TSEC2}, |
| 30 | [0x0b] = {PCIE1, PCIE3, SGMII_TSEC1, SGMII_TSEC2}, |
| 31 | [0x0d] = {PCIE1, PCIE1, SGMII_TSEC1, SGMII_TSEC2}, |
| 32 | [0x0e] = {PCIE1, PCIE1, SGMII_TSEC1, SGMII_TSEC2}, |
| 33 | [0x0f] = {PCIE1, PCIE1, SGMII_TSEC1, SGMII_TSEC2}, |
| 34 | [0x15] = {PCIE1, PCIE3, PCIE2, PCIE2}, |
| 35 | [0x16] = {PCIE1, PCIE3, PCIE2, PCIE2}, |
| 36 | [0x17] = {PCIE1, PCIE3, PCIE2, PCIE2}, |
| 37 | [0x18] = {PCIE1, PCIE1, PCIE2, PCIE2}, |
| 38 | [0x19] = {PCIE1, PCIE1, PCIE2, PCIE2}, |
| 39 | [0x1a] = {PCIE1, PCIE1, PCIE2, PCIE2}, |
| 40 | [0x1b] = {PCIE1, PCIE1, PCIE2, PCIE2}, |
| 41 | [0x1c] = {PCIE1, PCIE1, PCIE1, PCIE1}, |
| 42 | [0x1d] = {PCIE1, PCIE1, PCIE2, PCIE2}, |
| 43 | [0x1e] = {PCIE1, PCIE1, PCIE2, PCIE2}, |
| 44 | [0x1f] = {PCIE1, PCIE1, PCIE2, PCIE2}, |
| 45 | }; |
| 46 | |
| 47 | static const u8 serdes2_cfg_tbl[][SRDS2_MAX_LANES] = { |
| 48 | [0x00] = {PCIE3, PCIE3}, |
| 49 | [0x01] = {PCIE2, PCIE3}, |
| 50 | [0x02] = {SATA1, SATA2}, |
| 51 | [0x03] = {SGMII_TSEC1, SGMII_TSEC2}, |
| 52 | [0x04] = {NONE, NONE}, |
| 53 | [0x06] = {SATA1, SATA2}, |
| 54 | [0x07] = {NONE, NONE}, |
| 55 | [0x09] = {PCIE3, PCIE2}, |
| 56 | [0x0a] = {SATA1, SATA2}, |
| 57 | [0x0b] = {NONE, NONE}, |
| 58 | [0x0d] = {PCIE3, PCIE2}, |
| 59 | [0x0e] = {SATA1, SATA2}, |
| 60 | [0x0f] = {NONE, NONE}, |
| 61 | [0x15] = {SGMII_TSEC1, SGMII_TSEC2}, |
| 62 | [0x16] = {SATA1, SATA2}, |
| 63 | [0x17] = {NONE, NONE}, |
| 64 | [0x18] = {PCIE3, PCIE3}, |
| 65 | [0x19] = {SGMII_TSEC1, SGMII_TSEC2}, |
| 66 | [0x1a] = {SATA1, SATA2}, |
| 67 | [0x1b] = {NONE, NONE}, |
| 68 | [0x1c] = {PCIE3, PCIE3}, |
| 69 | [0x1d] = {SGMII_TSEC1, SGMII_TSEC2}, |
| 70 | [0x1e] = {SATA1, SATA2}, |
| 71 | [0x1f] = {NONE, NONE}, |
| 72 | }; |
| 73 | |
| Timur Tabi | 9b45b5a | 2010-06-14 15:28:24 -0500 | [diff] [blame] | 74 | int is_serdes_configured(enum srds_prtcl device) |
| 75 | { |
| 76 | ccsr_gur_t *gur = (void *)CONFIG_SYS_MPC85xx_GUTS_ADDR; |
| 77 | u32 pordevsr = in_be32(&gur->pordevsr); |
| 78 | u32 srds_cfg = (pordevsr & MPC85xx_PORDEVSR_IO_SEL) >> |
| 79 | MPC85xx_PORDEVSR_IO_SEL_SHIFT; |
| 80 | unsigned int i; |
| 81 | |
| 82 | debug("%s: dev = %d\n", __FUNCTION__, device); |
| 83 | debug("PORDEVSR[IO_SEL] = 0x%x\n", srds_cfg); |
| 84 | |
| 85 | if (srds_cfg > ARRAY_SIZE(serdes1_cfg_tbl)) { |
| 86 | printf("Invalid PORDEVSR[IO_SEL] = %d\n", srds_cfg); |
| 87 | return 0; |
| 88 | } |
| 89 | |
| 90 | for (i = 0; i < SRDS1_MAX_LANES; i++) { |
| 91 | if (serdes1_cfg_tbl[srds_cfg][i] == device) |
| 92 | return 1; |
| 93 | if (serdes2_cfg_tbl[srds_cfg][i] == device) |
| 94 | return 1; |
| 95 | } |
| 96 | |
| 97 | return 0; |
| 98 | } |